/* ============================================
   RYKHETAI WEBMAIL - PROFESSIONAL STYLES
   ============================================ */

/* CSS Variables */
:root {
    /* Colors - Light Mode */
    --primary: #4f46e5;
    --primary-dark: #3730a3;
    --primary-light: #6366f1;
    --secondary: #7c3aed;
    --accent: #8b5cf6;
    
    --background: #ffffff;
    --background-secondary: #f8fafc;
    --background-tertiary: #f1f5f9;
    
    --surface: #ffffff;
    --surface-hover: #f8fafc;
    --surface-active: #f1f5f9;
    
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-tertiary: #64748b;
    
    --border: rgba(15, 23, 42, 0.1);
    --border-hover: rgba(15, 23, 42, 0.2);
    
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --info: #3b82f6;
    
    --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.08);
    --shadow-md: 0 4px 16px rgba(15, 23, 42, 0.12);
    --shadow-lg: 0 8px 32px rgba(15, 23, 42, 0.16);
    --shadow-xl: 0 20px 40px rgba(15, 23, 42, 0.2);
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Space Grotesk', sans-serif;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

/* Dark Mode Variables */
[data-theme="dark"] {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #8b5cf6;
    --accent: #a855f7;
    
    --background: #0a0a0f;
    --background-secondary: #111118;
    --background-tertiary: #1a1a24;
    
    --surface: #16161e;
    --surface-hover: #1e1e28;
    --surface-active: #252530;
    
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --text-tertiary: #71717a;
    
    --border: rgba(255, 255, 255, 0.1);
    --border-hover: rgba(255, 255, 255, 0.2);
    
    --success: #22c55e;
    --warning: #fbbf24;
    --error: #f87171;
    --info: #60a5fa;
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.6);
}

/* Reset & Base Styles */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 10px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    background-color: var(--background);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color var(--transition-normal);
}

/* ============================================
   LOGIN SCREEN
   ============================================ */
.login-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--background) 0%, var(--background-secondary) 100%);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

/* ============================================
   LOGIN (REIMPLEMENTED)
   - Uses #login-screen.login markup in public/index.html
   - Uses high-specificity selectors to override the global standardized inputs
   ============================================ */
#login-screen.login {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2.4rem;
    background: radial-gradient(1200px 800px at 20% 10%, rgba(99, 102, 241, 0.22), transparent 60%),
                radial-gradient(1000px 700px at 80% 90%, rgba(139, 92, 246, 0.18), transparent 55%),
                linear-gradient(135deg, var(--background) 0%, var(--background-secondary) 100%);
    z-index: 1000;
    overflow-y: auto;
}

#login-screen.login .login__bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

#login-screen.login .login__orb {
    position: absolute;
    width: min(520px, 70vw);
    aspect-ratio: 1 / 1;
    border-radius: 999px;
    filter: blur(40px);
    opacity: 0.55;
    transform: translate3d(0, 0, 0);
}

#login-screen.login .login__orb--a {
    top: -18%;
    left: -10%;
    background: radial-gradient(circle at 30% 30%, rgba(99, 102, 241, 0.9), rgba(99, 102, 241, 0.0) 60%);
}

#login-screen.login .login__orb--b {
    bottom: -22%;
    right: -10%;
    background: radial-gradient(circle at 30% 30%, rgba(139, 92, 246, 0.85), rgba(139, 92, 246, 0.0) 60%);
}

#login-screen.login .login__wrap {
    position: relative;
    width: 100%;
    max-width: 1040px;
    margin: auto;
}

#login-screen.login .login__card {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 0;
    border-radius: 24px;
    background: var(--surface);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

#login-screen.login .login__brand {
    padding: 3.2rem 3rem;
    background: linear-gradient(180deg, var(--surface-hover), var(--surface));
    border-right: 1px solid var(--border);
}

#login-screen.login .login__brandTop {
    display: flex;
    gap: 1.4rem;
    align-items: center;
    margin-bottom: 2.2rem;
}

#login-screen.login .login__mark {
    width: 48px;
    height: 48px;
    display: grid;
    place-items: center;
    border-radius: 14px;
    background: rgba(99, 102, 241, 0.14);
    color: var(--accent);
    border: 1px solid rgba(99, 102, 241, 0.25);
}

#login-screen.login .login__eyebrow {
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-secondary);
    margin-bottom: 0.3rem;
}

#login-screen.login .login__title {
    font-size: 2.2rem;
    font-weight: 800;
    font-family: var(--font-display);
    color: var(--text-primary);
    line-height: 1.15;
}

#login-screen.login .login__subtitle {
    margin-top: 0.4rem;
    font-size: 1.3rem;
    color: var(--text-secondary);
}

#login-screen.login .login__bullets {
    display: grid;
    gap: 1.2rem;
}

#login-screen.login .login__bullet {
    display: grid;
    grid-template-columns: 40px 1fr;
    gap: 1.1rem;
    padding: 1.4rem 1.4rem;
    border-radius: 16px;
    border: 1px solid var(--border);
    background: var(--surface);
}

#login-screen.login .login__bulletIcon {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    display: grid;
    place-items: center;
    background: rgba(139, 92, 246, 0.12);
    color: var(--accent);
    border: 1px solid rgba(139, 92, 246, 0.2);
}

#login-screen.login .login__bulletTitle {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-primary);
}

#login-screen.login .login__bulletText {
    margin-top: 0.25rem;
    font-size: 1.25rem;
    color: var(--text-secondary);
    line-height: 1.35;
}

#login-screen.login .login__form {
    padding: 3.2rem 3rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

#login-screen.login .login__formHeader {
    margin-bottom: 2rem;
}

#login-screen.login .login__kicker {
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-secondary);
}

#login-screen.login .login__headline {
    margin: 0.6rem 0 0.6rem;
    font-size: 2.4rem;
    font-weight: 800;
    color: var(--text-primary);
}

#login-screen.login .login__hint {
    margin: 0;
    font-size: 1.3rem;
    color: var(--text-secondary);
}

#login-screen.login .login__formBody {
    display: grid;
    gap: 1.4rem;
}

#login-screen.login .login-field__label {
    display: block;
    font-size: 1.25rem;
    font-weight: 650;
    color: var(--text-secondary);
    margin-bottom: 0.6rem;
}

#login-screen.login .login-field__control {
    position: relative;
}

#login-screen.login .login-field__icon {
    position: absolute;
    left: 1.4rem;
    top: 50%;
    transform: translateY(-50%);
    width: 2.2rem;
    height: 2.2rem;
    display: grid;
    place-items: center;
    color: var(--text-tertiary);
    pointer-events: none;
}

/* High-specificity + !important: beats the global standardized input selector later in file */
#login-screen.login .login-field__input {
    width: 100% !important;
    padding: 1.25rem 1.4rem 1.25rem 4.6rem !important;
    border: 2px solid var(--border) !important;
    border-radius: 16px !important;
    background: var(--surface) !important;
    color: var(--text-primary) !important;
    font-size: 1.45rem !important;
    line-height: 1.4 !important;
}

#login-screen.login .login-field__input:focus {
    border-color: var(--accent) !important;
    box-shadow: 0 0 0 4px rgba(139, 92, 246, 0.18) !important;
}

#login-screen.login .login-field__control:focus-within .login-field__icon {
    color: var(--accent);
}

#login-screen.login .login__error {
    border: 1px solid rgba(248, 113, 113, 0.35);
    background: rgba(248, 113, 113, 0.12);
    color: var(--text-primary);
    padding: 1.1rem 1.2rem;
    border-radius: 14px;
    font-size: 1.25rem;
}

#login-screen.login .login__submit {
    width: 100%;
    padding: 1.2rem 1.4rem;
    border: none;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--accent), var(--primary));
    color: #fff;
    font-weight: 800;
    font-size: 1.35rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), filter var(--transition-fast);
    box-shadow: var(--shadow-lg);
}

#login-screen.login .login__submit:hover {
    transform: translateY(-1px);
    filter: brightness(1.02);
}

#login-screen.login .login__submit:active {
    transform: translateY(0);
}

#login-screen.login .login__fineprint {
    font-size: 1.2rem;
    color: var(--text-tertiary);
    text-align: center;
    margin-top: 0.8rem;
}

#login-screen.login .login__footer {
    margin-top: 1.6rem;
    text-align: center;
    font-size: 1.2rem;
    color: var(--text-tertiary);
}

@media (max-width: 980px) {
    #login-screen.login {
        padding: 1.4rem;
    }

    #login-screen.login .login__card {
        grid-template-columns: 1fr;
    }

    #login-screen.login .login__brand {
        border-right: none;
        border-bottom: 1px solid var(--border);
    }
}

.login-shell {
    width: 100%;
    max-width: 1200px;
    padding: 2rem;
    display: flex;
    justify-content: center;
}

.login-card {
    background: var(--surface);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    display: flex;
    overflow: hidden;
    min-height: 500px;
    width: 100%;
    max-width: 900px;
}

.card-brand {
    background: var(--surface-hover);
    padding: 3rem 2.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    border-right: 1px solid var(--border);
}

.brand-identity {
    margin-bottom: 2rem;
}

.login-logo {
    font-size: 3rem;
    color: var(--accent);
    margin-bottom: 1rem;
}

.brand-meta .eyebrow {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.brand-meta h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.brand-meta .lede {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.brand-highlights {
    list-style: none;
    padding: 0;
    margin: 0;
}

.brand-highlights li {
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border);
}

.brand-highlights li:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.brand-highlights strong {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.brand-highlights span {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

.card-form {
    padding: 3rem 2.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.form-header {
    margin-bottom: 2rem;
}

.form-header .kicker {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.form-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.form-header .hint {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

.auth-form {
    margin-bottom: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.input-with-icon {
    position: relative;
    display: block;
}

.input-icon {
    position: absolute;
    left: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    z-index: 2;
    width: 1.6rem;
    height: 1.6rem;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
    opacity: 0.7;
}

.input-with-icon input {
    width: 100%;
    padding: 1.125rem 1.5rem 1.125rem 4.5rem;
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--surface);
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 400;
    transition: all var(--transition-fast);
    line-height: 1.5;
    letter-spacing: 0.01em;
}

.input-with-icon input:focus {
    outline: none;
    border-color: var(--accent);
    background: var(--background);
    box-shadow: 0 0 0 4px rgba(139, 92, 246, 0.15);
}

.input-with-icon input:focus + .input-icon,
.input-with-icon:focus-within .input-icon {
    color: var(--accent);
    opacity: 1;
}

.input-with-icon input::placeholder {
    color: var(--text-secondary);
}

.btn-primary {
    width: 100%;
    padding: 0.875rem 1.5rem;
    background: var(--accent);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.btn-primary:active {
    transform: translateY(0);
}

.error-message {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--error);
    color: var(--error);
    padding: 0.75rem;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.form-footer {
    text-align: center;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
}

.form-footer p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin: 0;
}

.login-footer {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Responsive Design */
@media (max-width: 768px) {
    .login-shell {
        padding: 1rem;
    }
    
    .login-card {
        flex-direction: column;
        min-height: auto;
    }
    
    .card-brand {
        padding: 2rem 1.5rem;
        border-right: none;
        border-bottom: 1px solid var(--border);
    }
    
    .card-form {
        padding: 2rem 1.5rem;
    }
    
    .brand-meta h2 {
        font-size: 1.5rem;
    }
    
    .brand-highlights li {
        margin-bottom: 1rem;
        padding-bottom: 1rem;
    }
}

/* ============================================
   MAIN APPLICATION
   ============================================ */
.app {
    display: grid;
    grid-template-columns: 240px 1fr;
    height: 100vh;
    overflow: hidden;
}

/* Sidebar */
.sidebar {
    background: var(--surface);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: width var(--transition-normal);
    width: 240px;
}

.sidebar.collapsed {
    width: 60px;
}

.sidebar-header {
    padding: 1.5rem 1.25rem;
    border-bottom: none;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 0.75rem;
}

.sidebar-header-left {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 0;
}

.message-view-header-right {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    width: 100%;
    min-width: 0;
    flex: 1 1 auto;
}

/* Keep actions left and user menu right, even when actions are hidden */
.message-actions {
    margin-right: auto;
}

.header-user {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    flex: 0 0 auto;
    margin-left: auto;
    padding-left: 0;
    border-left: none;
}

.message-actions.is-hidden {
    display: none;
}

.sidebar-toggle {
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.sidebar-toggle:hover {
    background: var(--surface-hover);
    color: var(--text-primary);
}

.sidebar-header .logo {
    justify-content: flex-start;
}

.user-menu-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    max-width: 100%;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text-primary);
    border-radius: var(--radius-md);
    padding: 0.5rem 0.75rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.user-menu-btn:hover {
    background: var(--surface-hover);
    border-color: var(--border-hover);
}

.user-avatar-small {
    width: 34px;
    height: 34px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: white;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    flex: 0 0 auto;
    font-weight: 800;
    font-size: 0.95rem;
    letter-spacing: 0.03em;
}

.user-menu-name {
    font-weight: 700;
    font-size: 1.2rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 170px;
}

.user-menu-caret {
    font-size: 1.05rem;
    color: var(--text-tertiary);
}

.user-menu {
    position: absolute;
    right: 0;
    top: calc(100% + 10px);
    width: 280px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 0.5rem;
    z-index: 50;
}

/* Compose: From address dropdown (inline menu, not modal) */
.compose-from-field {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--surface);
    color: var(--text-primary);
    font-size: 0.95rem;
    font-family: var(--font-primary);
    line-height: 1.2;
    cursor: pointer;
    user-select: none;
    transition: background var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.compose-from-field:hover {
    background: var(--surface-hover);
    border-color: var(--border-hover);
}

.from-address-menu {
    position: fixed;
    z-index: 2000;
    width: min(520px, calc(100vw - 24px));
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 0.35rem;
    overflow: hidden;
}

.from-address-menu .from-item {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.6rem 0.7rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    user-select: none;
}

.from-address-menu .from-item:hover {
    background: var(--surface-hover);
}

.from-address-menu .from-item.is-selected {
    background: color-mix(in srgb, var(--primary) 10%, var(--surface));
}

.from-address-menu .from-left {
    width: 22px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
}

.from-badge {
    width: 22px;
    height: 22px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 0.75rem;
    color: white;
    letter-spacing: 0.02em;
}

.from-badge.primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
}

.from-badge.alias {
    background: linear-gradient(135deg, #64748b 0%, #334155 100%);
}

.from-address-menu .from-text {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 0.05rem;
}

.from-address-menu .from-title {
    font-weight: 700;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.from-address-menu .from-sub {
    font-size: 0.92rem;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-menu-email {
    font-size: 1.1rem;
    color: var(--text-tertiary);
    padding: 0.5rem 0.6rem;
    border-bottom: 1px solid var(--border);
    margin-bottom: 0.35rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-menu-item {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.55rem 0.65rem;
    min-height: 38px;
    border-radius: var(--radius-md);
    border: none;
    background: transparent;
    color: var(--text-primary);
    cursor: pointer;
    font-weight: 600;
    font-size: 1.15rem;
    text-align: left;
}

.user-menu-item i {
    width: 18px;
    text-align: center;
    color: var(--text-secondary);
}

.user-menu-item:hover {
    background: var(--surface-hover);
}

.user-menu-item.danger {
    color: var(--error);
}

.user-menu-item.danger i {
    color: var(--error);
}

.sidebar-header .logo i {
    font-size: 1.5rem;
}

.sidebar-header .logo span {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-primary);
}

.sidebar-header .logo strong {
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.btn-compose {
    margin: 1.25rem;
    padding: 0.875rem 1.5rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: all var(--transition-normal);
}

.btn-compose:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 0.5rem;
    min-height: 0;
}

.sidebar-main {
    display: flex;
    flex-direction: column;
    flex: 1 1 auto;
    min-height: 0;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    padding: 0.875rem 1rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    font-weight: 500;
    transition: all var(--transition-fast);
    position: relative;
}

.nav-item:hover {
    background: var(--surface-hover);
    color: var(--text-primary);
}

.nav-item.active {
    background: var(--primary);
    color: white;
}

.nav-item i {
    font-size: 1.1rem;
    width: 20px;
    text-align: center;
}

.nav-item .badge {
    margin-left: auto;
    background: var(--primary-light);
    color: white;
    padding: 0.125rem 0.5rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-hidden {
    display: none;
}

.nav-item.active .badge {
    background: rgba(255, 255, 255, 0.3);
}

.sidebar-nav .nav-divider {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.55rem 1rem 0.35rem;
    margin: 0.65rem 0 0.25rem;
    border: none;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-tertiary);
    opacity: 0.85;
}

.sidebar-nav .nav-divider span {
    white-space: nowrap;
}

/* very thin “hairline” divider (optional, subtle) */
.sidebar-nav .nav-divider::after {
    content: "";
    flex: 1;
    height: 1px;
    background: var(--border);
    opacity: 0.35;
}

.sidebar-nav .nav-divider:first-of-type {
    margin-top: 0.2rem;
}

#custom-folders-container .nav-item {
    padding-left: 1.5rem;
}

/* Sidebar: single professional column */
.sidebar {
    display: flex;
    flex-direction: column;
}

/* Connected accounts section (below local folders) */
.external-accounts-group {
    padding: 0.25rem 0.5rem 0.75rem;
}

/* Mailbox cards (Unified + Local) */
.mailbox-card {
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--surface);
    box-shadow: var(--shadow-sm);
    margin: 0.5rem 0.5rem;
    overflow: hidden;
}

.mailbox-card-header {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.85rem 0.9rem;
    border: none;
    background: transparent;
    color: var(--text-primary);
    text-align: left;
    cursor: grab;
}

.mailbox-card-header:hover {
    background: var(--surface-hover);
}

.mailbox-card.is-dragging {
    opacity: 0.9;
    border-color: color-mix(in srgb, var(--primary) 55%, var(--border));
    box-shadow: var(--shadow-md);
}

.mailbox-card.is-dragging .mailbox-card-header {
    cursor: grabbing;
}

.mailbox-folder-list {
    padding: 0.25rem 0.25rem 0.65rem;
    border-top: 1px solid var(--border);
}

.mailbox-folder-list.is-collapsed {
    display: none;
}

.external-account-card {
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--surface);
    box-shadow: var(--shadow-sm);
    margin: 0.5rem 0.5rem;
    overflow: hidden;
}

.external-account-card-header {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.85rem 0.9rem;
    border: none;
    background: transparent;
    color: var(--text-primary);
    text-align: left;
    cursor: grab;
}

.external-account-card-header:hover {
    background: var(--surface-hover);
}

.external-account-drag-handle {
    width: 18px;
    height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--text-tertiary);
    cursor: grab;
    flex: 0 0 auto;
    opacity: 0.9;
}

.external-account-drag-handle:active {
    cursor: grabbing;
}

.external-account-card.is-dragging {
    opacity: 0.9;
    border-color: color-mix(in srgb, var(--primary) 55%, var(--border));
    box-shadow: var(--shadow-md);
}

.external-account-card.is-dragging .external-account-card-header {
    cursor: grabbing;
}

.external-account-badge {
    width: 38px;
    height: 38px;
    border-radius: 14px;
    display: grid;
    place-items: center;
    border: 1px solid var(--border);
    background: var(--surface-hover);
    color: var(--text-primary);
    flex: 0 0 auto;
}

.external-account-card-title {
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.external-account-card-title strong {
    font-size: 1.2rem;
    line-height: 1.2;
}

.external-account-card-title span {
    font-size: 1.05rem;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 230px;
}

.external-account-caret {
    margin-left: auto;
    color: var(--text-tertiary);
}

.external-folder-list {
    padding: 0.25rem 0.25rem 0.65rem;
    border-top: 1px solid var(--border);
}

.external-folder-list.is-collapsed {
    display: none;
}

.nav-item.nav-item--nested {
    padding-left: 1.25rem;
}

/* External mailbox header + folder list (in the same sidebar column) */
.external-account-header {
    margin: 0.4rem 0.5rem 0.6rem;
    padding: 0.85rem 0.9rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--surface);
    box-shadow: var(--shadow-sm);
}

.external-account-header-row {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.external-account-icon {
    width: 38px;
    height: 38px;
    border-radius: 14px;
    display: grid;
    place-items: center;
    border: 1px solid var(--border);
    background: var(--surface-hover);
    color: var(--text-primary);
    flex: 0 0 auto;
}

.external-account-title {
    font-weight: 800;
    font-size: 1.25rem;
    color: var(--text-primary);
    line-height: 1.2;
}

.external-account-subtitle {
    margin-top: 0.2rem;
    font-size: 1.05rem;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 220px;
}

#custom-folders-container .nav-item i {
    font-size: 0.95rem;
}

.sidebar-footer {
    border-top: 1px solid var(--border);
    padding: 1rem;
}

.sidebar.collapsed .logo span,
.sidebar.collapsed .nav-item span:not(.badge),
.sidebar.collapsed .user-details {
    display: none;
}

.sidebar.collapsed .sidebar-header {
    justify-content: center;
    padding: 1rem;
}

.sidebar.collapsed .sidebar-header {
    justify-content: center;
}

.sidebar.collapsed .sidebar-header-left .logo {
    display: none;
}

.sidebar.collapsed .btn-compose {
    padding: 0.75rem;
    justify-content: center;
}

.sidebar.collapsed .btn-compose i {
    margin-right: 0;
}

.sidebar.collapsed .nav-item {
    justify-content: center;
    padding: 0.875rem 1rem;
}

.sidebar.collapsed .sidebar-footer {
    padding: 1rem;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    padding: 0.75rem;
    background: var(--surface-hover);
    border-radius: var(--radius-md);
    margin-bottom: 0.875rem;
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.1rem;
}

.user-details {
    flex: 1;
    min-width: 0;
}

.user-name {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-email {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-actions {
    display: flex;
    gap: 0.5rem;
    justify-content: space-between;
}

.icon-btn {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.icon-btn:hover {
    background: var(--surface-hover);
    color: var(--text-primary);
    border-color: var(--border-hover);
}

.icon-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Main Content */
.main-content {
    background: var(--background-secondary);
    overflow: hidden;
    display: grid;
    grid-template-columns: 350px 1fr;
}

.content-header {
    padding: 0.9rem 1.25rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: linear-gradient(180deg, var(--surface) 0%, var(--surface-hover) 100%);
}

.content-header-left {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 0;
}

.content-header-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-left: 0.75rem;
    flex-wrap: wrap;
}

.icon-btn-primary {
    border: none;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
}

.icon-btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
    color: white;
}

.icon-btn-primary i {
    color: white;
}

.content-header h2 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.header-actions {
    display: flex;
    gap: 0.5rem;
    justify-content: flex-end;
}

.search-bar {
    padding: 1rem 2rem;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 0.875rem;
}

.search-bar i {
    color: var(--text-tertiary);
}

.search-bar input {
    flex: 1;
    border: none;
    background: transparent;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.search-bar input:focus {
    outline: none;
}

.search-bar input::placeholder {
    color: var(--text-tertiary);
}

/* Message List */
.message-list-container {
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    grid-column: 1;
    background: var(--surface);
}

.message-list {
    flex: 1;
    overflow-y: auto;
}

.message-item {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 0.75rem;
    padding: 0.9rem 1.25rem;
    border-bottom: 1px solid var(--border);
    cursor: pointer;
    transition: all var(--transition-fast);
    align-items: center;
}

.message-right {
    display: inline-flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.75rem;
    flex: 0 0 auto;
    min-width: 0;
}

.message-actions-inline {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    flex: 0 0 auto;
    white-space: nowrap;
}

.message-item:hover {
    background: var(--surface-hover);
    transform: translateY(-1px);
}

.message-item.unread {
    background: rgba(99, 102, 241, 0.12) !important;
    border-left: 4px solid var(--primary);
    box-shadow: inset 0 0 0 1px rgba(99, 102, 241, 0.2);
}

[data-theme="dark"] .message-item.unread {
    background: rgba(99, 102, 241, 0.2) !important;
    box-shadow: inset 0 0 0 1px rgba(99, 102, 241, 0.3);
}

.message-item.unread .message-from,
.message-item.unread .message-from-name,
.message-item.unread .message-subject {
    font-weight: 600;
}

.message-checkbox {
    width: 16px;
    height: 16px;
    cursor: pointer;
}

.message-delete {
    cursor: pointer;
    color: var(--text-tertiary);
    padding: 0.35rem;
    border-radius: 999px;
    transition: background var(--transition-fast), color var(--transition-fast);
}

.message-delete:hover {
    background: var(--surface-hover);
    color: #ef4444;
}

.message-pin {
    cursor: pointer;
    color: var(--text-tertiary);
    padding: 0.35rem;
    border-radius: 999px;
    transition: background var(--transition-fast), color var(--transition-fast);
}

.message-pin:hover {
    background: var(--surface-hover);
    color: var(--warning);
}

.message-pin.pinned {
    color: var(--warning);
}

.message-details {
    min-width: 0;
}

.message-from-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    min-width: 0;
}

.message-from-block {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    min-width: 0;
}

.message-row-right {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    flex: 0 0 auto;
}

.message-from {
    font-size: 1.02rem;
    color: var(--text-primary);
    margin-bottom: 0;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.message-from-name {
    font-weight: 650;
    line-height: 1.2;
}

.message-from-email {
    font-size: 0.82rem;
    color: var(--text-tertiary);
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.account-badge {
    --badge-h: 220;
    --badge-s: 84%;
    --badge-l: 45%;
    display: inline-flex;
    align-items: center;
    height: 13px;
    padding: 0 5px;
    border-radius: 999px;
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 0.02em;
    border: 1px solid hsla(var(--badge-h), var(--badge-s), var(--badge-l), 0.35);
    background: hsla(var(--badge-h), var(--badge-s), var(--badge-l), 0.14);
    color: hsl(var(--badge-h), var(--badge-s), calc(var(--badge-l) - 6%));
    flex: 0 0 auto;
    white-space: nowrap;
}

[data-theme="dark"] .account-badge {
    border-color: hsla(var(--badge-h), var(--badge-s), 60%, 0.45);
    background: hsla(var(--badge-h), var(--badge-s), 55%, 0.22);
    color: hsl(var(--badge-h), var(--badge-s), 80%);
}

.seen-tracking-pill {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    height: 16px;
    padding: 0 6px;
    border-radius: 999px;
    font-size: 10px;
    font-weight: 600;
    background: #e0f2fe;
    color: #0369a1;
    border: 1px solid #bae6fd;
    cursor: pointer;
    transition: all 0.2s;
    margin-left: 6px;
}

.seen-tracking-pill:hover {
    background: #bae6fd;
    border-color: #7dd3fc;
    transform: translateY(-1px);
}

.seen-tracking-pill .seen-count {
    font-weight: 700;
}

[data-theme="dark"] .seen-tracking-pill {
    background: #0c4a6e;
    color: #7dd3fc;
    border-color: #164e63;
}

[data-theme="dark"] .seen-tracking-pill:hover {
    background: #164e63;
    border-color: #0c4a6e;
}

.message-subject {
    font-size: 0.9rem;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.message-ai {
    margin-top: 0.35rem;
    min-height: 1px;
}

.ai-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.ai-badge {
    display: inline-flex;
    align-items: center;
    height: 18px;
    padding: 0 8px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.02em;
    border: 1px solid var(--border);
    background: var(--surface-hover);
    color: var(--text-secondary);
}

.ai-badge--high {
    border-color: rgba(239, 68, 68, 0.35);
    background: rgba(239, 68, 68, 0.12);
    color: var(--error);
}

.ai-badge--medium {
    border-color: rgba(245, 158, 11, 0.35);
    background: rgba(245, 158, 11, 0.14);
    color: var(--warning);
}

.ai-badge--low {
    border-color: rgba(16, 185, 129, 0.35);
    background: rgba(16, 185, 129, 0.12);
    color: var(--success);
}

.ai-badge--label {
    border-color: rgba(99, 102, 241, 0.25);
    background: rgba(99, 102, 241, 0.10);
    color: var(--primary);
}

.ai-suggestions {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.ai-suggestion-card {
    padding: 12px;
    border-radius: var(--radius-md);
    background: var(--surface);
    border: 1px solid var(--border);
}

.ai-suggestion-text {
    font-size: 13px;
    line-height: 1.5;
    color: var(--text-secondary);
    white-space: normal;
}

.message-date {
    font-size: 0.82rem;
    color: var(--text-tertiary);
    white-space: nowrap;
}

.message-flag {
    color: var(--text-tertiary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.message-flag:hover,
.message-flag.flagged {
    color: var(--warning);
}

.loading-spinner {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    color: var(--text-tertiary);
}

.loading-spinner i {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.loading-more {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    color: var(--text-tertiary);
}

.loading-more .loading-spinner {
    padding: 1rem;
}

.loading-more .loading-spinner i {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.no-more-messages {
    display: flex;
    justify-content: center;
    padding: 1rem;
    color: var(--text-tertiary);
    font-size: 0.9rem;
}

/* Message View */
.message-view-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    grid-column: 2;
    background: var(--surface);
}

.message-view-header {
    padding: 0.9rem 1.25rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    background: linear-gradient(180deg, var(--surface) 0%, var(--surface-hover) 100%);
}

.btn-back {
    padding: 0.625rem 1.25rem;
    background: var(--surface-hover);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all var(--transition-fast);
    margin-right: auto;
}

.btn-back:hover {
    background: var(--surface-active);
}

.message-actions {
    display: flex;
    gap: 0.5rem;
}

.message-view-content {
    flex: 1;
    overflow-y: auto;
    padding: 2rem;
}

.message-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    padding: 3rem;
    text-align: center;
    color: var(--text-tertiary);
}

.message-placeholder i {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    opacity: 0.5;
}

.message-placeholder h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.message-placeholder p {
    font-size: 0.9rem;
    max-width: 300px;
}

.message-header {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border);
}

.message-subject-header {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.message-meta {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.message-body {
    color: var(--text-primary);
    line-height: 1.7;
}

/* Bounded / sandboxed email rendering (prevents email CSS from affecting the app) */
.message-body-frame {
    width: 100%;
    min-height: 420px;
    height: 70vh;
    max-height: 1200px;
    border: 0;
    border-radius: var(--radius-lg);
    background: transparent;
    overflow: hidden;
}

@media (max-width: 768px) {
    .message-body-frame {
        height: 58vh;
        min-height: 360px;
    }
}

/* Override email inline styles for dark mode compatibility */
.message-body,
.message-body * {
    color: var(--text-primary) !important;
    background-color: transparent !important;
}

.message-body p, .message-body div, .message-body span,
.message-body td, .message-body th, .message-body font,
.message-body body, .message-body html {
    color: var(--text-primary) !important;
    background-color: transparent !important;
}

.message-body a, .message-body a:link, .message-body a:visited {
    color: var(--primary) !important;
}

.message-body table, .message-body tr, .message-body td, .message-body th {
    border-color: var(--border) !important;
    background-color: transparent !important;
}

/* Ensure email content doesn't have white backgrounds in dark mode */
[data-theme="dark"] .message-body {
    background-color: var(--background) !important;
}

[data-theme="dark"] .message-body * {
    background-color: transparent !important;
}

/* Handle sanitized email content */
.message-body .email-font {
    color: var(--text-primary) !important;
}

.message-body img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    margin: 1rem 0;
}

/* Compose View */
.compose-container {
    background: var(--surface);
    display: none;
    flex-direction: column;
    overflow: hidden;
    grid-column: 2;
}

/* Mobile utilities */
.mobile-only {
    display: none;
}

.sidebar-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    backdrop-filter: blur(2px);
    z-index: 998;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-fast);
}

.sidebar-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.compose-header {
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: linear-gradient(180deg, var(--surface) 0%, var(--surface-hover) 100%);
}

.compose-header h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.btn-close {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-md);
    border: none;
    background: transparent;
    color: var(--text-tertiary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.btn-close:hover {
    background: var(--surface-hover);
    color: var(--text-primary);
}

.compose-form {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.form-row {
    display: grid;
    grid-template-columns: 80px 1fr;
    align-items: center;
    padding: 0.875rem 2rem;
    border-bottom: 1px solid var(--border);
    background: var(--surface);
}

.form-row label {
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 0.9rem;
    align-self: center;
    padding-top: 0;
}

/* Email Tags Container */
.email-tags-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
    min-height: 36px;
    width: 100%;
}

/* AI hint chips + streaming dots */
.ai-hint-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: flex-start;
}

.ai-hint-chip {
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text-primary);
    border-radius: 999px;
    padding: 8px 12px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.ai-hint-chip:hover {
    background: var(--surface-hover);
    border-color: var(--border-hover);
}

.ai-hint-chip:active {
    transform: translateY(1px);
}

.ai-generating {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: var(--text-secondary);
}

.ai-dots {
    display: inline-flex;
    gap: 4px;
}

.ai-dots span {
    width: 6px;
    height: 6px;
    border-radius: 999px;
    background: var(--primary);
    opacity: 0.25;
    animation: aiDotPulse 1s infinite ease-in-out;
}

.ai-dots span:nth-child(2) { animation-delay: 0.15s; }
.ai-dots span:nth-child(3) { animation-delay: 0.30s; }

@keyframes aiDotPulse {
    0%, 100% { transform: translateY(0); opacity: 0.25; }
    50% { transform: translateY(-2px); opacity: 0.9; }
}

.ai-generated-reply {
    padding: 10px 12px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    background: var(--surface-hover);
}

.email-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--primary);
    color: white;
    padding: 0.375rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
    animation: tagSlideIn 0.2s ease-out;
}

@keyframes tagSlideIn {
    from {
        opacity: 0;
        transform: scale(0.8) translateY(-10px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.email-tag-remove {
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transition: all var(--transition-fast);
}

.email-tag-remove:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

.email-tag-input {
    flex: 1;
    min-width: 200px;
}

.form-row input {
    border: none;
    background: transparent;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.form-row input:focus {
    outline: none;
}

.compose-toolbar {
    padding: 0.875rem 2rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    gap: 0.5rem;
    background: var(--surface);
}

.tool-btn {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.tool-btn:hover {
    background: var(--surface-hover);
    color: var(--text-primary);
}

.toolbar-divider {
    width: 1px;
    background: var(--border);
    margin: 0 0.5rem;
}

.compose-body {
    flex: 1;
    padding: 2rem;
    overflow-y: auto;
}

#compose-editor {
    min-height: 100%;
    outline: none;
    color: var(--text-primary) !important;
    background: var(--surface) !important;
    line-height: 1.7;
    padding: 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
}

#compose-editor:empty:before {
    content: attr(placeholder);
    color: var(--text-tertiary);
}

.compose-footer {
    padding: 1.5rem 2rem;
    border-top: 1px solid var(--border);
    display: flex;
    gap: 0.875rem;
    background: var(--surface);
}

.btn-secondary {
    padding: 0.875rem 1.5rem;
    background: var(--surface-hover);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-secondary:hover {
    background: var(--surface-active);
}

/* Admin Panel */
.admin-panel {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--background);
    z-index: 1000;
    display: grid;
    grid-template-columns: 280px 1fr;
}

/* User Settings Panel (No sidebar) */
#user-settings-panel {
    grid-template-columns: 1fr;
}

#user-settings-panel .admin-body {
    overflow-y: auto;
}

.settings-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
}

.settings-section {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    margin-bottom: 2rem;
}

.settings-section h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.settings-section .form-group {
    margin-bottom: 1.5rem;
}

.settings-section .form-group:last-of-type {
    margin-bottom: 1rem;
}

.settings-section select {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--background);
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-size: 0.9375rem;
    transition: all var(--transition-fast);
}

.settings-section select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.settings-section input[type="password"]:disabled,
.settings-section input[type="email"]:disabled {
    background: var(--background-tertiary);
    cursor: not-allowed;
    opacity: 0.6;
}

.admin-sidebar {
    background: var(--surface);
    border-right: 1px solid var(--border);
}

.admin-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.admin-header h2 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.admin-nav {
    padding: 1rem;
}

.admin-nav-item {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    padding: 0.875rem 1rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    font-weight: 500;
    transition: all var(--transition-fast);
    margin-bottom: 0.5rem;
}

.admin-nav-item:hover {
    background: var(--surface-hover);
    color: var(--text-primary);
}

.admin-nav-item.active {
    background: var(--primary);
    color: white;
}

.admin-content {
    overflow-y: auto;
    padding: 2rem;
}

.admin-section {
    display: none;
}

.admin-section.active {
    display: block;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2rem;
}

.section-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.table-container {
    background: var(--surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table thead {
    background: var(--surface-hover);
}

.data-table th {
    padding: 1rem 1.5rem;
    text-align: left;
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.data-table td {
    padding: 1rem 1.5rem;
    color: var(--text-primary);
    border-top: 1px solid var(--border);
}

/* External Accounts */
.accounts-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.account-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    transition: all var(--transition-fast);
}

.account-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-sm);
}

.account-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.account-card-info {
    flex: 1;
}

.account-card-provider {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.account-card-provider i {
    font-size: 1.25rem;
    color: var(--primary);
}

.account-card-email {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.account-card-display-name {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.account-card-actions {
    display: flex;
    gap: 0.5rem;
}

.account-card-meta {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
}

.account-meta-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.account-meta-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-tertiary);
}

.account-meta-value {
    font-size: 0.875rem;
    color: var(--text-primary);
}

.account-status {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.25rem 0.625rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
}

.account-status.active {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.account-status.error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error);
}

.account-status.pending {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
}

.account-status.disabled {
    background: rgba(100, 116, 139, 0.1);
    color: var(--text-tertiary);
}

/* Toggle Switch */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 24px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--border);
    transition: 0.3s;
    border-radius: 24px;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: 0.3s;
    border-radius: 50%;
}

.toggle-switch input:checked + .toggle-slider {
    background-color: var(--primary);
}

.toggle-switch input:checked + .toggle-slider:before {
    transform: translateX(26px);
}

/* SweetAlert2 Custom Styles */
.swal2-popup {
    background: var(--surface) !important;
    color: var(--text-primary) !important;
}

.swal2-title {
    color: var(--text-primary) !important;
}

.swal2-html-container {
    color: var(--text-primary) !important;
}

.swal2-popup .form-group {
    margin-bottom: 1rem;
    text-align: left;
}

.swal2-popup .form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.swal2-popup .form-group small {
    display: block;
    margin-top: 0.25rem;
    font-size: 0.85rem;
    color: var(--text-tertiary);
}

.swal2-input {
    width: 100% !important;
    padding: 0.75rem !important;
    border: 1px solid var(--border) !important;
    border-radius: 8px !important;
    font-size: 1rem !important;
    margin: 0 !important;
    background: var(--background) !important;
    color: var(--text-primary) !important;
}

.swal2-input:focus {
    border-color: var(--primary) !important;
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1) !important;
}

.swal2-validation-message {
    background: var(--error) !important;
    color: white !important;
}

.provider-option {
    transition: all 0.2s;
}

.provider-option:hover {
    background: var(--surface-hover);
}

.provider-option input:checked ~ * {
    color: var(--primary);
}

.data-table tbody tr {
    transition: all var(--transition-fast);
}

.data-table tbody tr:hover {
    background: var(--surface-hover);
}

.status-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
}

.status-badge.active {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.status-badge.inactive {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error);
}

.role-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
}

.role-badge.admin {
    background: rgba(139, 92, 246, 0.1);
    color: var(--secondary);
}

.role-badge.user {
    background: rgba(59, 130, 246, 0.1);
    color: var(--info);
}

.action-buttons {
    display: flex;
    gap: 0.5rem;
}

.btn-icon-small {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.btn-icon-small:hover {
    background: var(--surface-hover);
    color: var(--text-primary);
}

.btn-icon-small.danger:hover {
    background: rgba(239, 68, 68, 0.1);
    border-color: var(--error);
    color: var(--error);
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    animation: fadeIn 0.2s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background: var(--surface);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow: hidden;
    animation: slideUp 0.3s ease-out;
}

.modal-header {
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.modal-body {
    padding: 2rem;
    overflow-y: auto;
    max-height: calc(90vh - 80px);
}

/* Scrollbar Styles */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--background);
}

::-webkit-scrollbar-thumb {
    background: var(--border-hover);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-tertiary);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .app {
        grid-template-columns: 240px 1fr;
    }
    
    .main-content {
        grid-template-columns: 320px 1fr;
    }
    
    .sidebar-header .logo span {
        font-size: 1.1rem;
    }
}

@media (max-width: 900px) {
    .main-content {
        grid-template-columns: 280px 1fr;
    }

    .message-item {
        padding: 0.875rem 1.25rem;
    }

    .content-header,
    .message-view-header,
    .search-bar {
        padding-left: 1.25rem;
        padding-right: 1.25rem;
    }
}

@media (max-width: 768px) {
    .app {
        grid-template-columns: 1fr;
    }
    
    .main-content {
        grid-template-columns: 1fr;
    }
    
    .message-view-container {
        display: none;
    }
    
    .message-view-container.active {
        display: flex;
    }

    .mobile-only {
        display: inline-flex;
    }

    .user-menu-btn {
        min-width: 0;
    }

    .user-menu {
        width: 240px;
    }
    
    .sidebar {
        position: fixed;
        left: -280px;
        top: 0;
        bottom: 0;
        width: 280px;
        z-index: 999;
        transition: left var(--transition-normal);
    }
    
    .sidebar.open {
        left: 0;
        box-shadow: var(--shadow-xl);
    }
    
    .admin-panel {
        grid-template-columns: 1fr;
    }
    
    .admin-sidebar {
        display: none;
    }
    
    .message-item {
        grid-template-columns: auto 1fr auto;
        padding: 0.875rem 1rem;
    }
    
    .message-date {
        display: none;
    }
    
    .content-header {
        padding: 1rem;
    }
    
    .search-bar {
        padding: 0.875rem 1rem;
    }
}

/* Utilities */
.hidden {
    display: none !important;
}

.text-center {
    text-align: center;
}

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }

/* Print Styles */
@media print {
    .sidebar,
    .message-view-header,
    .content-header,
    .search-bar,
    .admin-panel {
        display: none !important;
    }
    
    .app {
        grid-template-columns: 1fr;
    }
    
    .message-view-content {
        padding: 0;
    }
}

/* Modal Panels */
.modal-panel {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.modal-panel.modal-active {
    display: flex !important;
}

.modal-content {
    background: var(--background);
    border-radius: var(--radius-xl);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    max-width: 900px;
    width: 100%;
    max-height: 85vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.admin-content {
    max-width: 1200px;
}

.modal-content .admin-header {
    border-bottom: 1px solid var(--border);
    padding: 1.5rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-content .admin-body {
    flex: 1;
    overflow-y: auto;
    padding: 2rem;
}

/* Rich Text Editor Additions */
.tool-select {
    height: 36px;
    padding: 0 0.5rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text-primary);
    cursor: pointer;
    font-size: 0.875rem;
}

.tool-select:hover {
    background: var(--surface-hover);
}

.tool-color {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: transparent;
    cursor: pointer;
}

.tool-color::-webkit-color-swatch-wrapper {
    padding: 2px;
}

.tool-color::-webkit-color-swatch {
    border: none;
    border-radius: 4px;
}

.attachments-list {
    padding: 0 2rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

/* Avoid empty whitespace when no attachments */
#attachments-list:empty {
    display: none;
}

.attachment-item {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
}

.attachment-item button {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0;
    display: flex;
}

.attachment-item button:hover {
    color: var(--text-primary);
}

.blocked-image {
    opacity: 0.3;
    filter: blur(8px);
}

/* User Management Action Buttons */
.btn-icon-small {
    padding: 0.5rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--surface);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: 0.875rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-icon-small:hover {
    background: var(--surface-hover);
    color: var(--text-primary);
}

.btn-icon-small.danger {
    color: #ef4444;
    border-color: #ef4444;
}

.btn-icon-small.danger:hover {
    background: #ef4444;
    color: white;
}

.btn-icon-small.warning {
    color: #f59e0b;
    border-color: #f59e0b;
}

.btn-icon-small.warning:hover {
    background: #f59e0b;
    color: white;
}

.btn-icon-small.success {
    color: #10b981;
    border-color: #10b981;
}

.btn-icon-small.success:hover {
    background: #10b981;
    color: white;
}

.action-buttons {
    display: flex;
    gap: 0.5rem;
}

/* Alias Management */
.aliases-management {
    padding: 1rem 0;
}

.aliases-management h4 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.alias-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.alias-list li {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    margin-bottom: 0.5rem;
}

/* Improved Modal Styling */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.modal .modal-content {
    background: var(--background);
    border-radius: var(--radius-xl);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    max-width: 500px;
    width: 100%;
    max-height: 85vh;
    overflow: hidden;
}

.modal .modal-header {
    border-bottom: 1px solid var(--border);
    padding: 1.5rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--surface);
}

.modal .modal-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.modal .modal-body {
    padding: 2rem;
    overflow-y: auto;
    max-height: calc(85vh - 100px);
}

.modal .form-group {
    margin-bottom: 1.5rem;
}

.modal .form-group:last-child {
    margin-bottom: 0;
}

.modal .form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.875rem;
}

.modal .form-group input,
.modal .form-group select {
    width: 100%;
    padding: 0.875rem;
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--background);
    color: var(--text-primary);
    font-size: 0.9375rem;
    transition: all var(--transition-fast);
}

.modal .form-group input:focus,
.modal .form-group select:focus {
    outline: none;
    border-color: var(--primary);
}

.modal .form-group .checkbox-group {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.modal .form-group .checkbox-group input[type="checkbox"] {
    width: auto;
    margin: 0;
}

.modal .btn-primary {
    width: 100%;
    margin-top: 1rem;
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 2147483647;
    isolation: isolate;
    display: flex;
    flex-direction: column;
    gap: 10px;
    pointer-events: none;
}

.toast {
    background: var(--surface);
    border: 1px solid var(--border);
    border-left: 4px solid transparent;
    border-radius: var(--radius-md);
    padding: 1rem 1.5rem;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 300px;
    max-width: 500px;
    opacity: 0;
    transform: translateX(100%);
    transition: all 0.3s ease;
    pointer-events: auto;
}

.toast.show {
    opacity: 1;
    transform: translateX(0);
}

.toast.success {
    border-left-color: var(--success);
    background: #ecfdf5;
}

.toast.error {
    border-left-color: var(--error);
    background: #fef2f2;
}

.toast.info {
    border-left-color: var(--info);
    background: #eff6ff;
}

[data-theme="dark"] .toast.success {
    background: #0b2b1d;
}

[data-theme="dark"] .toast.error {
    background: #2b0b0b;
}

[data-theme="dark"] .toast.info {
    background: #0b162b;
}

.toast i {
    font-size: 1.25rem;
    flex-shrink: 0;
}

.toast.success i { color: var(--success); }
.toast.error i { color: var(--error); }
.toast.info i { color: var(--info); }

.toast-message {
    flex: 1;
    font-size: 1.2rem;
    line-height: 1.35;
    color: var(--text-primary);
}

.toast-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.toast-close:hover {
    background: var(--surface-hover);
    color: var(--text-primary);
}

/* Enhanced CC/BCC Toggle */
.cc-bcc-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.cc-bcc-toggle .btn-link {
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.cc-bcc-toggle .btn-link:hover {
    background: var(--surface-hover);
}

.cc-bcc-row {
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Color Matrix Dropdown */
.color-matrix-container {
    position: relative;
    display: inline-block;
}

.color-matrix-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: 0.75rem;
    z-index: 1000;
    display: none;
    min-width: 200px;
}

.color-matrix-dropdown.show {
    display: block;
}

.color-matrix-grid {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 0.25rem;
    margin-bottom: 0.75rem;
}

.color-matrix-btn {
    width: 24px;
    height: 24px;
    border: 2px solid transparent;
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.color-matrix-btn:hover {
    transform: scale(1.2);
    border-color: var(--text-primary);
}

.color-matrix-btn.selected {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(79, 70, 229, 0.3);
}

.color-matrix-section {
    margin-bottom: 1rem;
}

.color-matrix-section:last-child {
    margin-bottom: 0;
}

.color-matrix-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.5rem;
}

/* Enhanced Attachment Upload */
.attachment-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem;
    background: var(--background-secondary);
    border-radius: var(--radius-sm);
    margin-bottom: 0.5rem;
}

.attachment-item.uploading {
    opacity: 0.7;
}

.attachment-item i {
    color: var(--text-secondary);
}

.attachment-info {
    flex: 1;
    min-width: 0;
}

.attachment-name {
    font-size: 0.9rem;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.attachment-size {
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

.attachment-progress {
    flex: 1;
    height: 4px;
    background: var(--border);
    border-radius: 2px;
    overflow: hidden;
    margin: 0 0.5rem;
}

.attachment-progress-fill {
    height: 100%;
    background: var(--primary);
    width: 0%;
    transition: width 0.3s ease;
}

.attachment-remove {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.attachment-remove:hover {
    background: var(--error);
    color: white;
}

/* Editable Links */
/* Modal Standardization */
.modal .modal-content,
#table-modal .modal-content,
#link-modal .modal-content {
    width: 400px;
    max-width: 90vw;
}

.modal .modal-body,
#table-modal .modal-body,
#link-modal .modal-body {
    padding: 20px;
}

.modal .modal-footer,
#table-modal .modal-footer, 
#link-modal .modal-footer {
    padding: 20px;
    gap: 10px;
}

#table-modal .form-group,
#link-modal .form-group {
    margin-bottom: 15px;
}

#table-modal input[type="number"],
#link-modal input[type="text"],
#link-modal input[type="url"] {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--surface);
    color: var(--text-primary);
}

/* Compose Header Enhanced */
.compose-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border);
    background: var(--surface);
}

.compose-title-section {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.compose-title-section h3 {
    margin: 0;
    color: var(--text-primary);
    font-size: 1.4rem;
    font-weight: 600;
}

.btn-send {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    max-width: 120px;
}

.btn-send:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

.btn-send:active {
    transform: translateY(0);
}

/* Standardized Input Fields */
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="url"],
textarea,
.email-tag-input,
.compose-subject-input {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-md) !important;
    background: var(--surface);
    color: var(--text-primary);
    font-size: 0.95rem;
    font-family: var(--font-primary);
    transition: all var(--transition-fast);
    outline: none;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
input[type="number"]:focus,
input[type="url"]:focus,
textarea:focus,
.email-tag-input:focus,
.compose-subject-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
    background: var(--surface);
}

/* Form Groups */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.9rem;
}

/* Search Bar */
.search-bar input {
    padding-left: 3rem !important;
}

/* Enhanced Form Styling */
.email-input-container {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex: 1;
    min-width: 0;
}

.cc-bcc-icons {
    display: flex;
    gap: 0.5rem;
}

.icon-toggle-btn {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.5rem 0.75rem;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.icon-toggle-btn:hover {
    background: var(--surface-hover);
    color: var(--text-primary);
    border-color: var(--border-hover);
}

.icon-toggle-btn.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

/* Beautiful Input Fields */
.email-tag-input,
.compose-subject-input {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-md) !important;
    background: var(--surface);
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: all var(--transition-fast);
    outline: none;
}

.email-tag-input:focus,
.compose-subject-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.email-tags-container {
    flex: 1;
}

/* Attachment Upload States */\n.attachment-item {\n    display: flex;\n    align-items: center;\n    padding: 10px;\n    margin: 5px 0;\n    border: 1px solid var(--border);\n    border-radius: var(--radius-sm);\n    background: var(--surface-hover);\n}\n\n.attachment-item.uploading {\n    border-color: var(--info);\n    background: rgba(59, 130, 246, 0.1);\n}\n\n.attachment-item.uploaded {\n    border-color: var(--success);\n    background: rgba(16, 185, 129, 0.1);\n}\n\n.attachment-item.error {\n    border-color: var(--error);\n    background: rgba(239, 68, 68, 0.1);\n}\n\n.attachment-info {\n    flex: 1;\n    margin-left: 10px;\n}\n\n.attachment-name {\n    font-weight: 500;\n    color: var(--text-primary);\n}\n\n.attachment-size {\n    font-size: 0.8em;\n    color: var(--text-secondary);\n}\n\n.attachment-progress {\n    width: 60px;\n    height: 4px;\n    background: var(--border);\n    border-radius: 2px;\n    margin: 0 10px;\n    overflow: hidden;\n}\n\n.attachment-progress-fill {\n    height: 100%;\n    background: var(--primary);\n    transition: width 0.3s ease;\n}\n\n.attachment-remove {\n    background: none;\n    border: none;\n    color: var(--text-secondary);\n    cursor: pointer;\n    padding: 5px;\n    border-radius: 3px;\n}\n\n.attachment-remove:hover {\n    background: var(--error);\n    color: white;\n}\n\n/* Compose Editor Enhanced Styling */
#compose-editor * {
    color: var(--text-primary) !important;
}

#compose-editor table {
    border-collapse: collapse;
    width: 100%;
    margin: 10px 0;
    background: var(--surface) !important;
}

#compose-editor table td, 
#compose-editor table th {
    padding: 8px 12px;
    border: 1px solid var(--border);
    color: var(--text-primary) !important;
    background: var(--surface) !important;
}

#compose-editor table th {
    background: var(--surface-hover) !important;
    font-weight: 600;
}

#compose-editor a {
    color: var(--primary) !important;
    text-decoration: underline;
}

#compose-editor a:hover {
    color: var(--primary-light) !important;
}

/* Compose container and forms */
.compose-container {
    background: var(--surface) !important;
    color: var(--text-primary) !important;
}

.compose-container input,
.compose-container textarea,
.compose-container select {
    background: var(--surface) !important;
    color: var(--text-primary) !important;
    border: 1px solid var(--border) !important;
}

.compose-container label {
    color: var(--text-primary) !important;
}

.compose-editor a {
    color: var(--primary);
    text-decoration: underline;
    cursor: pointer;
    position: relative;
}

.compose-editor a:hover {
    background: rgba(79, 70, 229, 0.1);
}

.compose-editor a.selected {
    background: rgba(79, 70, 229, 0.2);
    outline: 2px solid var(--primary);
}

/* Delete Modal */
.btn-danger {
    background: var(--error);
    color: white;
    border: 1px solid var(--error);
}

.btn-danger:hover {
    background: #dc2626;
    border-color: #dc2626;
}

/* Compose Enhancements */
.cc-bcc-toggle {
    margin-top: 0.5rem;
}

.btn-link {
    background: none;
    border: none;
    color: var(--primary);
    cursor: pointer;
    font-size: 0.875rem;
    padding: 0;
    text-decoration: underline;
}

.btn-link:hover {
    color: var(--primary-dark);
}

.cc-bcc-row {
    transition: all 0.3s ease;
}

.color-palette {
    display: flex;
    gap: 0.25rem;
    align-items: center;
}

.color-btn {
    width: 20px;
    height: 20px;
    border: 1px solid var(--border);
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.color-btn:hover {
    transform: scale(1.1);
    border-color: var(--text-primary);
}

.attachment-progress {
    margin: 0.75rem 0;
    padding: 0.35rem 0.6rem;
    background: var(--surface);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

/* Compose: sending email progress (slim, not a tall card) */
#attachment-progress.attachment-progress {
    margin: 0;
    padding: 0;
    background: transparent;
    border: none;
    border-radius: 0;
    gap: 0;
    display: block;
    line-height: 0;
}

#attachment-progress .progress-bar {
    height: 2px;
    margin: 0;
    border-radius: 999px;
}

#attachment-progress #progress-text {
    display: none;
}

/* When sending, remove the ugly gap between progress + editor */
.compose-form.is-sending .compose-body {
    padding: 0 2rem 2rem;
}

/* Fix browser autofill forcing light backgrounds (especially in dark mode) */
.compose-container input:-webkit-autofill,
.compose-container textarea:-webkit-autofill,
.compose-container select:-webkit-autofill {
    -webkit-text-fill-color: var(--text-primary) !important;
    box-shadow: 0 0 0px 1000px var(--surface) inset !important;
    caret-color: var(--text-primary) !important;
    border: 1px solid var(--border) !important;
}

.compose-container input:autofill,
.compose-container textarea:autofill,
.compose-container select:autofill {
    box-shadow: 0 0 0px 1000px var(--surface) inset !important;
    color: var(--text-primary) !important;
}

.compose-container input:-moz-autofill,
.compose-container textarea:-moz-autofill,
.compose-container select:-moz-autofill {
    box-shadow: 0 0 0px 1000px var(--surface) inset !important;
    color: var(--text-primary) !important;
}

.progress-bar {
    flex: 1;
    width: 100%;
    height: 3px;
    background: var(--border);
    border-radius: 999px;
    overflow: hidden;
    margin-bottom: 0;
}

.progress-fill {
    height: 100%;
    background: var(--primary);
    width: 0%;
    transition: width 0.3s ease;
}

#progress-text {
    font-size: 0.82rem;
    color: var(--text-secondary);
    white-space: nowrap;
}

/* SweetAlert2: wider AI hint modal without overflow */
.swal2-popup.swal-wide {
    width: min(640px, 92vw) !important;
    max-width: 92vw !important;
}

.swal2-textarea {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    padding: 0.75rem !important;
    border: 1px solid var(--border) !important;
    border-radius: 12px !important;
    background: var(--background) !important;
    color: var(--text-primary) !important;
    font-size: 1rem !important;
}

.swal2-textarea:focus {
    border-color: var(--primary) !important;
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1) !important;
    outline: none !important;
}

/* Link Modal */
#link-modal .modal-content {
    max-width: 500px;
}

#link-modal .modal-body {
    padding: 1.5rem;
}

#link-modal .modal-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
}

/* Unified Settings Modal */
.settings-layout {
    display: flex;
    height: 80vh;
    max-height: 700px;
    width: 1200px;
    max-width: 95vw;
    padding: 0;
    overflow: hidden;
    background: var(--surface);
}

.modal-content.settings-layout {
    display: flex;
    flex-direction: row;
    padding: 0; /* Remove default padding */
}

.settings-sidebar {
    width: 250px;
    background: var(--background-secondary);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    padding: 1.5rem 0;
    flex-shrink: 0;
}

.settings-sidebar h2 {
    padding: 0 1.5rem;
    margin-bottom: 1.5rem;
    font-size: 1.25rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.settings-nav {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.settings-tab {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.5rem;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    text-align: left;
    transition: all var(--transition-fast);
    font-size: 0.95rem;
    width: 100%;
}

.settings-tab:hover {
    background: rgba(0,0,0,0.05);
    color: var(--text-primary);
}

.settings-tab.active {
    background: rgba(79, 70, 229, 0.1); /* transparent primary */
    color: var(--primary);
    border-right: 3px solid var(--primary);
}

.settings-tab i {
    width: 20px;
    text-align: center;
}

.settings-sidebar .nav-divider {
    height: 1px;
    background: var(--border);
    margin: 0.75rem 1.5rem;
}

.settings-sidebar .nav-label {
    padding: 0.5rem 1.5rem;
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--text-tertiary);
    font-weight: 600;
    letter-spacing: 0.5px;
    margin-top: 0.5rem;
}

.settings-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-width: 0; /* Flexbox trick */
}

.settings-header-bar {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
    background: var(--surface);
}

.settings-body {
    flex: 1;
    overflow-y: auto;
    padding: 2rem;
    background: var(--surface);
}

.settings-section {
    display: none;
    animation: fadeIn 0.3s ease;
}

.settings-section.active {
    display: block;
}

.settings-section h3 {
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    border-bottom: 1px solid var(--border);
    padding-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.settings-inline-toggle {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.settings-inline-toggle input[type="checkbox"] {
    width: auto;
    height: 16px;
}

.settings-help {
    margin-top: 0.6rem;
    font-size: 0.85rem;
    color: var(--text-tertiary);
}

.settings-preview {
    margin-top: 0.75rem;
    padding: 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--background-secondary);
    color: var(--text-secondary);
    white-space: pre-wrap;
    min-height: 44px;
}

.settings-ai-rules td {
    vertical-align: top;
}

.settings-ai-rules .rule-case {
    font-weight: 700;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.settings-ai-rules input[type="text"],
.settings-ai-rules textarea {
    font-size: 0.9rem;
}

.settings-ai-rules textarea {
    min-height: 84px;
    resize: vertical;
}

.settings-ai-rule-preview {
    margin-top: 0.5rem;
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--background-secondary);
    color: var(--text-tertiary);
    white-space: pre-wrap;
    font-size: 0.85rem;
}

.settings-ai-rule-actions {
    display: flex;
    gap: 0.5rem;
    align-items: flex-start;
    justify-content: flex-end;
}

.settings-ai-rule-actions .btn-secondary,
.settings-ai-rule-actions .btn-primary {
    max-width: none;
    padding: 0.6rem 0.9rem;
}

.settings-ai-rules-toolbar {
    display: flex;
    justify-content: flex-end;
    margin: 0.75rem 0 1rem;
}

.settings-ai-rules-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.settings-ai-rule-row {
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--surface);
    padding: 1rem;
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    cursor: pointer;
    transition: background var(--transition-fast), border-color var(--transition-fast);
}

.settings-ai-rule-row:hover {
    background: var(--surface-hover);
    border-color: var(--border-hover);
}

.settings-ai-rule-row .rule-main {
    flex: 1;
    min-width: 0;
}

.settings-ai-rule-row .rule-title {
    font-weight: 800;
    font-size: 1rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.settings-ai-rule-row .rule-subtitle {
    margin-top: 0.25rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.settings-ai-rule-row .rule-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    justify-content: flex-end;
    flex: 0 0 auto;
}

.settings-ai-rule-row .rule-row-btn {
    width: 32px;
    height: 32px;
}

.pill {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text-primary);
    border-radius: 999px;
    padding: 0.35rem 0.6rem;
    font-size: 0.82rem;
    font-weight: 700;
}

.pill.pill-danger {
    border-color: rgba(239, 68, 68, 0.35);
    color: var(--error);
}

.pill.pill-info {
    border-color: rgba(59, 130, 246, 0.35);
    color: var(--info);
}

.pill.pill-warning {
    border-color: rgba(245, 158, 11, 0.35);
    color: var(--warning);
}

.pill-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.pill-btn {
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text-primary);
    border-radius: 999px;
    padding: 0.5rem 0.8rem;
    font-weight: 800;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.pill-btn:hover {
    background: var(--surface-hover);
    border-color: var(--border-hover);
}

.pill-btn.active {
    background: rgba(79, 70, 229, 0.12);
    border-color: rgba(79, 70, 229, 0.35);
    color: var(--primary);
}