/* ==========================================================================
   Sifoo Design Tokens & Dynamic Theme Engine (Ultra-Modern Premium Edition)
   Modes: Light (Default), Dark, System
   Palettes: ar-EG (Egyptian Flag Inspired), ru-RU (Russian Flag Inspired), en-US (US Flag Inspired)
   Visual Identity: Sleek Modern Glassmorphism + Dimensional Bento Layering
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Base Neutral Scales, Spacing & Layout Tokens
   -------------------------------------------------------------------------- */
:root {
    --safe-area-inset-top: env(safe-area-inset-top, 0px);
    --safe-area-inset-bottom: env(safe-area-inset-bottom, 0px);
    --safe-area-inset-left: env(safe-area-inset-left, 0px);
    --safe-area-inset-right: env(safe-area-inset-right, 0px);

    /* Modern Soft Radii */
    --sifoo-radius-xs: 6px;
    --sifoo-radius-sm: 10px;
    --sifoo-radius-md: 14px;
    --sifoo-radius-lg: 20px;
    --sifoo-radius-xl: 28px;
    --sifoo-radius-pill: 9999px;

    /* Elastic Transition & Motion Timing */
    --sifoo-transition-fast: 160ms cubic-bezier(0.4, 0, 0.2, 1);
    --sifoo-transition-normal: 240ms cubic-bezier(0.16, 1, 0.3, 1);
    --sifoo-transition-smooth: 360ms cubic-bezier(0.16, 1, 0.3, 1);

    /* Light Mode Foundation (Crisp, High-End Ultra Minimalist) */
    --sifoo-bg-app: #f4f7fb;
    --sifoo-bg-mesh: radial-gradient(at 0% 0%, rgba(220, 38, 38, 0.04) 0px, transparent 50%),
                     radial-gradient(at 100% 100%, rgba(37, 99, 235, 0.04) 0px, transparent 50%);
    --sifoo-bg-card: rgba(255, 255, 255, 0.92);
    --sifoo-bg-card-subtle: #f8fafc;
    --sifoo-bg-elevated: #ffffff;
    --sifoo-border: rgba(226, 232, 240, 0.85);
    --sifoo-border-subtle: rgba(203, 213, 225, 0.7);
    --sifoo-border-focus: #2563eb;
    --sifoo-text-main: #0f172a;
    --sifoo-text-secondary: #475569;
    --sifoo-text-muted: #64748b;
    --sifoo-text-inverse: #ffffff;
    
    --sifoo-nav-bg: rgba(255, 255, 255, 0.82);
    --sifoo-nav-border: rgba(226, 232, 240, 0.8);
    --sifoo-input-bg: #ffffff;
    --sifoo-input-border: #cbd5e1;
    --sifoo-input-text: #0f172a;

    /* Dimensional Elevation Shadows (Smooth modern blur) */
    --sifoo-shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.04);
    --sifoo-shadow-sm: 0 2px 6px -1px rgba(15, 23, 42, 0.06), 0 1px 3px rgba(15, 23, 42, 0.03);
    --sifoo-shadow-md: 0 8px 20px -3px rgba(15, 23, 42, 0.08), 0 3px 8px -2px rgba(15, 23, 42, 0.04);
    --sifoo-shadow-lg: 0 16px 32px -4px rgba(15, 23, 42, 0.10), 0 6px 12px -3px rgba(15, 23, 42, 0.05);
    --sifoo-shadow-xl: 0 24px 48px -8px rgba(15, 23, 42, 0.14), 0 10px 20px -5px rgba(15, 23, 42, 0.07);

    /* Accessible Functional Status Colors */
    --sifoo-danger: #dc2626;
    --sifoo-danger-hover: #b91c1c;
    --sifoo-danger-bg: #fef2f2;
    --sifoo-danger-border: #fecaca;
    --sifoo-danger-text: #991b1b;

    --sifoo-success: #16a34a;
    --sifoo-success-hover: #15803d;
    --sifoo-success-bg: #f0fdf4;
    --sifoo-success-border: #bbf7d0;
    --sifoo-success-text: #166534;

    --sifoo-info: #0284c7;
    --sifoo-info-hover: #0369a1;
    --sifoo-info-bg: #f0f9ff;
    --sifoo-info-border: #bae6fd;
    --sifoo-info-text: #075985;

    --sifoo-warning: #d97706;
    --sifoo-warning-hover: #b45309;
    --sifoo-warning-bg: #fffbeb;
    --sifoo-warning-border: #fde68a;
    --sifoo-warning-text: #92400e;
}

/* --------------------------------------------------------------------------
   2. Flag-Inspired Palettes (Light Default)
   -------------------------------------------------------------------------- */

/* Egyptian Arabic (ar-EG) - Egyptian Flag Inspired: Vibrant Crimson & Imperial Gold */
html[data-palette="ar-EG"], html[lang="ar"]:not([data-palette]), html[lang="ar-EG"]:not([data-palette]) {
    --sifoo-primary: #ce1126;
    --sifoo-primary-hover: #b00e1f;
    --sifoo-primary-contrast: #ffffff;
    --sifoo-primary-gradient: linear-gradient(135deg, #d9142b 0%, #9e0e1e 100%);
    --sifoo-primary-subtle: #fef2f2;
    --sifoo-secondary: #18181b;
    --sifoo-secondary-hover: #09090b;
    --sifoo-secondary-contrast: #ffffff;
    --sifoo-accent: #c9a227;
    --sifoo-accent-hover: #b38e1e;
    --sifoo-accent-contrast: #ffffff;
    --sifoo-badge-bg: #fef2f2;
    --sifoo-badge-border: #fca5a5;
    --sifoo-badge-text: #991b1b;
    --sifoo-focus-ring: rgba(206, 17, 38, 0.24);
}

/* Russian (ru-RU) - Russian Flag Inspired: Sapphire Royal Blue & Crisp Crimson */
html[data-palette="ru-RU"], html[lang="ru"]:not([data-palette]), html[lang="ru-RU"]:not([data-palette]) {
    --sifoo-primary: #1d4ed8;
    --sifoo-primary-hover: #1e40af;
    --sifoo-primary-contrast: #ffffff;
    --sifoo-primary-gradient: linear-gradient(135deg, #2563eb 0%, #173da6 100%);
    --sifoo-primary-subtle: #eff6ff;
    --sifoo-secondary: #d52b1e;
    --sifoo-secondary-hover: #b82216;
    --sifoo-secondary-contrast: #ffffff;
    --sifoo-accent: #0284c7;
    --sifoo-accent-hover: #0369a1;
    --sifoo-accent-contrast: #ffffff;
    --sifoo-badge-bg: #eff6ff;
    --sifoo-badge-border: #bfdbfe;
    --sifoo-badge-text: #1e40af;
    --sifoo-focus-ring: rgba(29, 78, 216, 0.24);
}

/* English (en-US) - US/UK Flag Inspired: Deep Stately Navy & Vivid Crimson */
html[data-palette="en-US"], html[lang="en"]:not([data-palette]), html[lang="en-US"]:not([data-palette]) {
    --sifoo-primary: #233876;
    --sifoo-primary-hover: #1a2a5a;
    --sifoo-primary-contrast: #ffffff;
    --sifoo-primary-gradient: linear-gradient(135deg, #2e4796 0%, #192857 100%);
    --sifoo-primary-subtle: #eef2ff;
    --sifoo-secondary: #b22234;
    --sifoo-secondary-hover: #8f1725;
    --sifoo-secondary-contrast: #ffffff;
    --sifoo-accent: #2563eb;
    --sifoo-accent-hover: #1d4ed8;
    --sifoo-accent-contrast: #ffffff;
    --sifoo-badge-bg: #eef2ff;
    --sifoo-badge-border: #c7d2fe;
    --sifoo-badge-text: #312e81;
    --sifoo-focus-ring: rgba(35, 56, 118, 0.24);
}

/* --------------------------------------------------------------------------
   3. Dark Mode Overrides (Deep Velvet Obsidian & Cyber Glow)
   -------------------------------------------------------------------------- */
html[data-theme="dark"] {
    --sifoo-bg-app: #090d16;
    --sifoo-bg-mesh: radial-gradient(at 0% 0%, rgba(206, 17, 38, 0.08) 0px, transparent 60%),
                     radial-gradient(at 100% 100%, rgba(37, 99, 235, 0.08) 0px, transparent 60%);
    --sifoo-bg-card: rgba(17, 24, 39, 0.88);
    --sifoo-bg-card-subtle: #182234;
    --sifoo-bg-elevated: #1f2c42;
    --sifoo-border: rgba(38, 52, 78, 0.8);
    --sifoo-border-subtle: rgba(45, 62, 92, 0.7);
    --sifoo-border-focus: #3b82f6;
    --sifoo-text-main: #f8fafc;
    --sifoo-text-secondary: #cbd5e1;
    --sifoo-text-muted: #94a3b8;
    --sifoo-text-inverse: #0f172a;

    --sifoo-nav-bg: rgba(15, 23, 42, 0.85);
    --sifoo-nav-border: rgba(38, 52, 78, 0.8);
    --sifoo-input-bg: #0c1220;
    --sifoo-input-border: #2d3b55;
    --sifoo-input-text: #f8fafc;

    --sifoo-shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.35);
    --sifoo-shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.45);
    --sifoo-shadow-md: 0 8px 22px rgba(0, 0, 0, 0.55);
    --sifoo-shadow-lg: 0 16px 36px rgba(0, 0, 0, 0.65);
    --sifoo-shadow-xl: 0 24px 50px rgba(0, 0, 0, 0.75);

    --sifoo-danger-bg: #2b1115;
    --sifoo-danger-border: #5c1d24;
    --sifoo-danger-text: #fca5a5;

    --sifoo-success-bg: #0d2818;
    --sifoo-success-border: #14532d;
    --sifoo-success-text: #86efac;

    --sifoo-info-bg: #082238;
    --sifoo-info-border: #075985;
    --sifoo-info-text: #7dd3fc;

    --sifoo-warning-bg: #2d1c08;
    --sifoo-warning-border: #78350f;
    --sifoo-warning-text: #fcd34d;
}

html[data-theme="dark"][data-palette="ar-EG"], html[data-theme="dark"][lang="ar"]:not([data-palette]) {
    --sifoo-primary: #e63946;
    --sifoo-primary-hover: #f05561;
    --sifoo-primary-gradient: linear-gradient(135deg, #e63946 0%, #b8222e 100%);
    --sifoo-primary-subtle: #2b1115;
    --sifoo-secondary: #272f3d;
    --sifoo-accent: #e5b839;
    --sifoo-badge-bg: #2b1115;
    --sifoo-badge-border: #5c1d24;
    --sifoo-badge-text: #fca5a5;
    --sifoo-focus-ring: rgba(230, 57, 70, 0.35);
}

html[data-theme="dark"][data-palette="ru-RU"], html[data-theme="dark"][lang="ru"]:not([data-palette]) {
    --sifoo-primary: #3b82f6;
    --sifoo-primary-hover: #60a5fa;
    --sifoo-primary-gradient: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    --sifoo-primary-subtle: #0f224a;
    --sifoo-secondary: #ef4444;
    --sifoo-accent: #38bdf8;
    --sifoo-badge-bg: #0f224a;
    --sifoo-badge-border: #1d4ed8;
    --sifoo-badge-text: #bfdbfe;
    --sifoo-focus-ring: rgba(59, 130, 246, 0.35);
}

html[data-theme="dark"][data-palette="en-US"], html[data-theme="dark"][lang="en"]:not([data-palette]) {
    --sifoo-primary: #4f46e5;
    --sifoo-primary-hover: #6366f1;
    --sifoo-primary-gradient: linear-gradient(135deg, #4f46e5 0%, #233876 100%);
    --sifoo-primary-subtle: #131d3d;
    --sifoo-secondary: #f43f5e;
    --sifoo-accent: #fbbf24;
    --sifoo-badge-bg: #131d3d;
    --sifoo-badge-border: #3730a3;
    --sifoo-badge-text: #c7d2fe;
    --sifoo-focus-ring: rgba(79, 70, 229, 0.35);
}

/* --------------------------------------------------------------------------
   4. System Preference Auto Detection (@media (prefers-color-scheme: dark))
   -------------------------------------------------------------------------- */
@media (prefers-color-scheme: dark) {
    html[data-theme="system"] {
        --sifoo-bg-app: #090d16;
        --sifoo-bg-mesh: radial-gradient(at 0% 0%, rgba(206, 17, 38, 0.08) 0px, transparent 60%),
                         radial-gradient(at 100% 100%, rgba(37, 99, 235, 0.08) 0px, transparent 60%);
        --sifoo-bg-card: rgba(17, 24, 39, 0.88);
        --sifoo-bg-card-subtle: #182234;
        --sifoo-bg-elevated: #1f2c42;
        --sifoo-border: rgba(38, 52, 78, 0.8);
        --sifoo-border-subtle: rgba(45, 62, 92, 0.7);
        --sifoo-border-focus: #3b82f6;
        --sifoo-text-main: #f8fafc;
        --sifoo-text-secondary: #cbd5e1;
        --sifoo-text-muted: #94a3b8;
        --sifoo-text-inverse: #0f172a;
        --sifoo-nav-bg: rgba(15, 23, 42, 0.85);
        --sifoo-nav-border: rgba(38, 52, 78, 0.8);
        --sifoo-input-bg: #0c1220;
        --sifoo-input-border: #2d3b55;
        --sifoo-input-text: #f8fafc;
        --sifoo-shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.35);
        --sifoo-shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.45);
        --sifoo-shadow-md: 0 8px 22px rgba(0, 0, 0, 0.55);
        --sifoo-shadow-lg: 0 16px 36px rgba(0, 0, 0, 0.65);
        --sifoo-shadow-xl: 0 24px 50px rgba(0, 0, 0, 0.75);
        --sifoo-danger-bg: #2b1115;
        --sifoo-danger-border: #5c1d24;
        --sifoo-danger-text: #fca5a5;
        --sifoo-success-bg: #0d2818;
        --sifoo-success-border: #14532d;
        --sifoo-success-text: #86efac;
        --sifoo-info-bg: #082238;
        --sifoo-info-border: #075985;
        --sifoo-info-text: #7dd3fc;
        --sifoo-warning-bg: #2d1c08;
        --sifoo-warning-border: #78350f;
        --sifoo-warning-text: #fcd34d;
    }

    html[data-theme="system"][data-palette="ar-EG"], html[data-theme="system"][lang="ar"]:not([data-palette]) {
        --sifoo-primary: #e63946;
        --sifoo-primary-hover: #f05561;
        --sifoo-primary-gradient: linear-gradient(135deg, #e63946 0%, #b8222e 100%);
        --sifoo-primary-subtle: #2b1115;
        --sifoo-secondary: #272f3d;
        --sifoo-accent: #e5b839;
        --sifoo-badge-bg: #2b1115;
        --sifoo-badge-border: #5c1d24;
        --sifoo-badge-text: #fca5a5;
        --sifoo-focus-ring: rgba(230, 57, 70, 0.35);
    }

    html[data-theme="system"][data-palette="ru-RU"], html[data-theme="system"][lang="ru"]:not([data-palette]) {
        --sifoo-primary: #3b82f6;
        --sifoo-primary-hover: #60a5fa;
        --sifoo-primary-gradient: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
        --sifoo-primary-subtle: #0f224a;
        --sifoo-secondary: #ef4444;
        --sifoo-accent: #38bdf8;
        --sifoo-badge-bg: #0f224a;
        --sifoo-badge-border: #1d4ed8;
        --sifoo-badge-text: #bfdbfe;
        --sifoo-focus-ring: rgba(59, 130, 246, 0.35);
    }

    html[data-theme="system"][data-palette="en-US"], html[data-theme="system"][lang="en"]:not([data-palette]) {
        --sifoo-primary: #4f46e5;
        --sifoo-primary-hover: #6366f1;
        --sifoo-primary-gradient: linear-gradient(135deg, #4f46e5 0%, #233876 100%);
        --sifoo-primary-subtle: #131d3d;
        --sifoo-secondary: #f43f5e;
        --sifoo-accent: #fbbf24;
        --sifoo-badge-bg: #131d3d;
        --sifoo-badge-border: #3730a3;
        --sifoo-badge-text: #c7d2fe;
        --sifoo-focus-ring: rgba(79, 70, 229, 0.35);
    }
}

/* --------------------------------------------------------------------------
   5. Global Application Styling, Typography & Atmosphere
   -------------------------------------------------------------------------- */
body {
    background-color: var(--sifoo-bg-app) !important;
    background-image: var(--sifoo-bg-mesh);
    background-attachment: fixed;
    color: var(--sifoo-text-main) !important;
    min-height: 100vh;
    padding-bottom: calc(1.5rem + var(--safe-area-inset-bottom));
    transition: background-color var(--sifoo-transition-normal), color var(--sifoo-transition-normal);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography Classes (Self-Hosted Cairo, Almarai, Ubuntu & Inter) */
.font-cairo {
    font-family: 'Cairo', 'Almarai', system-ui, -apple-system, sans-serif;
    letter-spacing: -0.01em;
}

.font-almarai {
    font-family: 'Almarai', 'Cairo', system-ui, -apple-system, sans-serif;
}

.font-sans, .font-ubuntu {
    font-family: 'Ubuntu', 'Inter', system-ui, -apple-system, sans-serif;
    letter-spacing: -0.01em;
}

/* Accessible Global Focus States */
:focus-visible {
    outline: 2px solid var(--sifoo-primary) !important;
    outline-offset: 3px !important;
}

/* ==========================================================================
   5b. Figma-Inspired Header & Segmented Navigation System
   ========================================================================== */
.sifoo-header-wrapper {
    position: sticky;
    top: 0;
    z-index: 1035;
    padding-top: max(0.5rem, var(--safe-area-inset-top));
    padding-bottom: 0.35rem;
    pointer-events: none;
}

.sifoo-navbar {
    pointer-events: auto;
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
    padding: 0;
}

.sifoo-navbar-shell {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    max-width: 100%;
    background-color: var(--sifoo-nav-bg);
    backdrop-filter: blur(22px) saturate(180%);
    -webkit-backdrop-filter: blur(22px) saturate(180%);
    border: 1px solid var(--sifoo-nav-border);
    border-radius: var(--sifoo-radius-xl);
    padding: 0.4rem 0.65rem;
    box-shadow: var(--sifoo-shadow-md), inset 0 1px 0 rgba(255, 255, 255, 0.14);
    transition: background-color var(--sifoo-transition-normal),
                border-color var(--sifoo-transition-normal),
                box-shadow var(--sifoo-transition-normal);
}

/* 1. Brand Identity Capsule */
.sifoo-brand-capsule {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    flex-shrink: 0;
    text-decoration: none;
    padding: 0.2rem 0.45rem;
    border-radius: var(--sifoo-radius-lg);
    transition: background-color var(--sifoo-transition-fast), transform var(--sifoo-transition-fast);
}

.sifoo-brand-capsule:hover {
    background-color: var(--sifoo-bg-card-subtle);
}

.sifoo-brand-capsule:active {
    transform: scale(0.97);
}

.sifoo-brand-logo-wrap {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 12px;
    background: var(--sifoo-primary-subtle);
    border: 1px solid var(--sifoo-border);
    box-shadow: var(--sifoo-shadow-xs);
}

.sifoo-brand-logo {
    border-radius: 10px;
    object-fit: cover;
}

.sifoo-brand-status-dot {
    position: absolute;
    bottom: -2px;
    inset-inline-end: -2px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: #22c55e;
    border: 2px solid var(--sifoo-bg-elevated);
}

.sifoo-brand-text-group {
    display: flex;
    flex-direction: column;
    line-height: 1.15;
}

.sifoo-brand-title {
    color: var(--sifoo-primary) !important;
    font-weight: 800;
    font-size: 1.2rem;
    letter-spacing: -0.02em;
}

.sifoo-brand-subtitle {
    font-size: 0.68rem;
    font-weight: 600;
    color: var(--sifoo-text-muted);
    letter-spacing: 0.02em;
}

/* 2. Desktop Segmented Navigation Track */
.sifoo-nav-track {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.28rem;
    min-width: 0;
    max-width: 100%;
    flex-shrink: 1;
    overflow: visible;
    background-color: var(--sifoo-bg-card-subtle);
    border: 1px solid var(--sifoo-border-subtle);
    border-radius: var(--sifoo-radius-pill);
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.03);
}

.sifoo-nav-divider {
    width: 1px;
    height: 18px;
    background-color: var(--sifoo-border);
    margin: 0 0.15rem;
    flex-shrink: 0;
}

.sifoo-nav-pill {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.42rem;
    min-height: 36px;
    padding: 0.38rem 0.85rem;
    border-radius: var(--sifoo-radius-pill);
    background: transparent;
    color: var(--sifoo-text-secondary);
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
    white-space: nowrap;
    flex-shrink: 0;
    cursor: pointer;
    transition: color var(--sifoo-transition-fast),
                background-color var(--sifoo-transition-fast),
                box-shadow var(--sifoo-transition-fast),
                transform var(--sifoo-transition-fast);
}

/* Bento Mega Menu Dropdown Styles */
.sifoo-mega-dropdown {
    position: relative;
}

.sifoo-mega-trigger::after {
    display: none !important;
}

.sifoo-mega-chevron {
    font-size: 0.72rem;
    opacity: 0.75;
    margin-inline-start: 0.15rem;
    transition: transform var(--sifoo-transition-fast);
}

.sifoo-mega-trigger[aria-expanded="true"] .sifoo-mega-chevron {
    transform: rotate(180deg);
}

.sifoo-mega-menu {
    width: 540px;
    max-width: calc(100vw - 1.5rem);
    padding: 0.9rem !important;
    margin-top: 0.75rem !important;
    border-radius: 24px !important;
    border: 1px solid var(--sifoo-border) !important;
    background-color: var(--sifoo-bg-card) !important;
    backdrop-filter: blur(30px) saturate(195%);
    -webkit-backdrop-filter: blur(30px) saturate(195%);
    box-shadow: 0 24px 48px -8px rgba(15, 23, 42, 0.18), 0 0 0 1px rgba(255, 255, 255, 0.12) inset !important;
    inset-inline-start: 50% !important;
    transform: translateX(-50%);
    animation: sifooMegaFadeIn 180ms cubic-bezier(0.16, 1, 0.3, 1);
}

html[dir="rtl"] .sifoo-mega-menu {
    transform: translateX(50%);
}

@keyframes sifooMegaFadeIn {
    from {
        opacity: 0;
        margin-top: 0.35rem;
    }
    to {
        opacity: 1;
        margin-top: 0.75rem;
    }
}

/* 1. Top Spotlight Banner */
.sifoo-mega-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.75rem 0.9rem;
    margin-bottom: 0.85rem;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--sifoo-primary-subtle) 0%, var(--sifoo-bg-card-subtle) 100%);
    border: 1px solid var(--sifoo-border-subtle);
}

.sifoo-mega-badge-icon {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: var(--sifoo-primary-gradient, var(--sifoo-primary));
    color: var(--sifoo-primary-contrast);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
    flex-shrink: 0;
    box-shadow: 0 6px 14px -3px var(--sifoo-focus-ring);
}

.sifoo-mega-banner-title {
    font-size: 0.9rem;
    font-weight: 800;
    color: var(--sifoo-text-main);
    line-height: 1.2;
}

.sifoo-mega-banner-sub {
    font-size: 0.72rem;
    color: var(--sifoo-text-secondary);
    margin-top: 2px;
}

.sifoo-mega-status-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.38rem;
    padding: 0.28rem 0.65rem;
    border-radius: var(--sifoo-radius-pill);
    background-color: var(--sifoo-bg-elevated);
    border: 1px solid var(--sifoo-border);
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--sifoo-text-main);
    white-space: nowrap;
    box-shadow: var(--sifoo-shadow-xs);
}

.sifoo-mega-status-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background-color: #22c55e;
    box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.2);
}

/* 2. Primary Admin Hero Cards (2 Featured Columns) */
.sifoo-mega-hero-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.65rem;
    margin-bottom: 0.85rem;
}

.sifoo-mega-hero-card {
    position: relative;
    display: flex;
    flex-direction: column;
    padding: 0.85rem;
    border-radius: 16px;
    background-color: var(--sifoo-bg-card-subtle);
    border: 1px solid var(--sifoo-border-subtle);
    text-decoration: none;
    color: var(--sifoo-text-main);
    overflow: hidden;
    transition: all var(--sifoo-transition-fast);
}

.sifoo-mega-hero-card:hover {
    background-color: var(--sifoo-bg-elevated);
    border-color: var(--sifoo-primary);
    transform: translateY(-2px);
    box-shadow: var(--sifoo-shadow-md);
}

.sifoo-mega-hero-card.active {
    background: linear-gradient(145deg, var(--sifoo-primary-subtle), var(--sifoo-bg-elevated));
    border-color: var(--sifoo-primary);
    box-shadow: 0 4px 14px -4px var(--sifoo-focus-ring);
}

.sifoo-mega-hero-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.6rem;
}

.sifoo-mega-icon-box {
    width: 38px;
    height: 38px;
    border-radius: 11px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
    transition: transform var(--sifoo-transition-fast);
}

.sifoo-mega-hero-card:hover .sifoo-mega-icon-box {
    transform: scale(1.08);
}

.sifoo-mega-tag {
    font-size: 0.66rem;
    font-weight: 700;
    padding: 0.2rem 0.55rem;
    border-radius: var(--sifoo-radius-pill);
    background-color: var(--sifoo-badge-bg);
    color: var(--sifoo-badge-text);
    border: 1px solid var(--sifoo-badge-border);
}

.sifoo-mega-tag.tag-ai {
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.12), rgba(37, 99, 235, 0.12));
    color: #7c3aed;
    border-color: rgba(124, 58, 237, 0.28);
}

[data-theme="dark"] .sifoo-mega-tag.tag-ai {
    color: #c4b5fd;
    border-color: rgba(167, 139, 250, 0.35);
}

.sifoo-mega-hero-title {
    font-size: 0.88rem;
    font-weight: 800;
    color: var(--sifoo-text-main);
    margin-bottom: 0.2rem;
}

.sifoo-mega-hero-desc {
    font-size: 0.72rem;
    color: var(--sifoo-text-muted);
    line-height: 1.35;
}

/* Semantic Soft Icon Color Tokens */
.icon-crimson {
    background: rgba(220, 38, 38, 0.12);
    color: #dc2626;
}
[data-theme="dark"] .icon-crimson {
    background: rgba(239, 68, 68, 0.2);
    color: #f87171;
}

.icon-violet {
    background: rgba(124, 58, 237, 0.12);
    color: #7c3aed;
}
[data-theme="dark"] .icon-violet {
    background: rgba(139, 92, 246, 0.22);
    color: #a78bfa;
}

.icon-emerald {
    background: rgba(22, 163, 74, 0.12);
    color: #16a34a;
}
[data-theme="dark"] .icon-emerald {
    background: rgba(34, 197, 94, 0.2);
    color: #4ade80;
}

.icon-amber {
    background: rgba(217, 119, 6, 0.12);
    color: #d97706;
}
[data-theme="dark"] .icon-amber {
    background: rgba(245, 158, 11, 0.2);
    color: #fbbf24;
}

.icon-sky {
    background: rgba(2, 132, 199, 0.12);
    color: #0284c7;
}
[data-theme="dark"] .icon-sky {
    background: rgba(56, 189, 248, 0.2);
    color: #38bdf8;
}

.icon-rose {
    background: rgba(225, 29, 72, 0.12);
    color: #e11d48;
}
[data-theme="dark"] .icon-rose {
    background: rgba(244, 63, 94, 0.2);
    color: #fb7185;
}

/* 3. Section Labels & 4-Tile Bento Grid */
.sifoo-mega-section-label {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--sifoo-text-muted);
    padding: 0 0.35rem 0.45rem;
}

.sifoo-mega-bento-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
    margin-bottom: 0.65rem;
}

.sifoo-mega-tile {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.55rem 0.65rem;
    border-radius: 13px;
    background-color: var(--sifoo-bg-card-subtle);
    border: 1px solid var(--sifoo-border-subtle);
    text-decoration: none;
    color: var(--sifoo-text-main);
    transition: all var(--sifoo-transition-fast);
}

.sifoo-mega-tile:hover,
.sifoo-mega-tile.active {
    background-color: var(--sifoo-bg-elevated);
    border-color: var(--sifoo-primary);
    transform: translateY(-1px);
    box-shadow: var(--sifoo-shadow-xs);
}

.sifoo-mega-tile-icon {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.98rem;
    flex-shrink: 0;
}

.sifoo-mega-tile-text {
    display: flex;
    flex-direction: column;
    min-width: 0;
    line-height: 1.2;
}

.sifoo-mega-tile-title {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--sifoo-text-main);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sifoo-mega-tile-sub {
    font-size: 0.68rem;
    color: var(--sifoo-text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-top: 2px;
}

/* 4. Footer Personal Settings Dock */
.sifoo-mega-footer-dock {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.45rem;
    padding-top: 0.2rem;
}

.sifoo-mega-dock-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    padding: 0.5rem 0.6rem;
    border-radius: 12px;
    background-color: var(--sifoo-bg-card-subtle);
    border: 1px solid var(--sifoo-border-subtle);
    font-size: 0.76rem;
    font-weight: 700;
    color: var(--sifoo-text-secondary);
    text-decoration: none;
    white-space: nowrap;
    transition: all var(--sifoo-transition-fast);
}

.sifoo-mega-dock-item:hover,
.sifoo-mega-dock-item.active {
    background-color: var(--sifoo-bg-elevated);
    color: var(--sifoo-primary);
    border-color: var(--sifoo-primary);
    transform: translateY(-1px);
    box-shadow: var(--sifoo-shadow-xs);
}

.sifoo-mega-dock-icon {
    width: 24px;
    height: 24px;
    border-radius: 7px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    flex-shrink: 0;
}

.sifoo-nav-pill:hover {
    color: var(--sifoo-text-main);
    background-color: var(--sifoo-bg-elevated);
}

.sifoo-nav-pill:active {
    transform: scale(0.96);
}

.sifoo-nav-pill-icon {
    font-size: 1rem;
    line-height: 1;
    display: inline-flex;
    align-items: center;
    transition: transform var(--sifoo-transition-fast);
}

.sifoo-nav-pill:hover .sifoo-nav-pill-icon {
    transform: translateY(-1px);
}

.sifoo-nav-pill.active {
    background: var(--sifoo-primary-gradient, var(--sifoo-primary));
    color: var(--sifoo-primary-contrast) !important;
    font-weight: 700;
    box-shadow: 0 4px 12px -2px var(--sifoo-focus-ring), 0 2px 4px rgba(0, 0, 0, 0.08);
}

.sifoo-nav-pill-accent:not(.active) {
    color: var(--sifoo-primary);
}

.sifoo-nav-active-dot {
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background-color: currentColor;
    opacity: 0.9;
}

/* 3. Utility Cluster (Theme Dock, Language Chip, Profile Capsule) */
.sifoo-utility-cluster {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    flex-shrink: 0;
}

.sifoo-theme-dock {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    padding: 3px;
    flex-shrink: 0;
    background-color: var(--sifoo-bg-card-subtle);
    border: 1px solid var(--sifoo-border-subtle);
    border-radius: var(--sifoo-radius-pill);
}

.sifoo-theme-btn {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    border: none;
    background: transparent;
    color: var(--sifoo-text-muted);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all var(--sifoo-transition-fast);
}

.sifoo-theme-btn:hover {
    color: var(--sifoo-text-main);
    background-color: var(--sifoo-bg-elevated);
}

.sifoo-theme-btn.active {
    background: var(--sifoo-primary-gradient, var(--sifoo-primary));
    color: var(--sifoo-primary-contrast);
    box-shadow: 0 2px 8px var(--sifoo-focus-ring);
}

.sifoo-action-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    min-height: 38px;
    padding: 0.35rem 0.75rem;
    background-color: var(--sifoo-bg-card-subtle);
    border: 1px solid var(--sifoo-border-subtle);
    border-radius: var(--sifoo-radius-pill);
    color: var(--sifoo-text-main);
    font-size: 0.82rem;
    cursor: pointer;
    transition: all var(--sifoo-transition-fast);
}

.sifoo-action-chip:hover {
    background-color: var(--sifoo-bg-elevated);
    border-color: var(--sifoo-primary);
    box-shadow: var(--sifoo-shadow-xs);
}

.sifoo-profile-capsule {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    min-height: 38px;
    padding: 0.22rem 0.65rem 0.22rem 0.28rem;
    background-color: var(--sifoo-bg-card-subtle);
    border: 1px solid var(--sifoo-border-subtle);
    border-radius: var(--sifoo-radius-pill);
    color: var(--sifoo-text-main);
    cursor: pointer;
    transition: all var(--sifoo-transition-fast);
}

html[dir="rtl"] .sifoo-profile-capsule {
    padding: 0.22rem 0.28rem 0.22rem 0.65rem;
}

.sifoo-profile-capsule:hover {
    background-color: var(--sifoo-bg-elevated);
    border-color: var(--sifoo-primary);
    box-shadow: var(--sifoo-shadow-sm);
}

.sifoo-profile-capsule::after {
    display: none !important;
}

.sifoo-avatar-ring {
    display: inline-flex;
    padding: 2px;
    border-radius: 50%;
    background: var(--sifoo-primary-gradient, var(--sifoo-primary));
}

.sifoo-profile-name {
    font-weight: 700;
    font-size: 0.85rem;
    max-width: 110px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.sifoo-glass-dropdown {
    border-radius: var(--sifoo-radius-lg) !important;
    border: 1px solid var(--sifoo-border) !important;
    background-color: var(--sifoo-bg-card) !important;
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    padding: 0.5rem !important;
    margin-top: 0.5rem !important;
}

.sifoo-dropdown-icon {
    width: 28px;
    height: 28px;
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    flex-shrink: 0;
}

/* Unified Card System (Frosted Bento Layering with Hairline Borders) */
.card,
.bg-navy-card {
    background-color: var(--sifoo-bg-card) !important;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--sifoo-border) !important;
    color: var(--sifoo-text-main);
    box-shadow: var(--sifoo-shadow-sm);
    border-radius: var(--sifoo-radius-lg);
    transition: background-color var(--sifoo-transition-normal), 
                border-color var(--sifoo-transition-normal), 
                box-shadow var(--sifoo-transition-normal), 
                transform var(--sifoo-transition-fast);
}

.card:hover,
.card-hover:hover {
    box-shadow: var(--sifoo-shadow-md);
    border-color: var(--sifoo-border-subtle) !important;
}

.card-subtle {
    background-color: var(--sifoo-bg-card-subtle) !important;
    border: 1px solid var(--sifoo-border-subtle) !important;
}

/* Typography & Semantic Colors */
.text-main {
    color: var(--sifoo-text-main) !important;
}

.text-gold,
.text-accent {
    color: var(--sifoo-accent) !important;
}

.text-primary-themed {
    color: var(--sifoo-primary) !important;
}

.text-secondary-themed {
    color: var(--sifoo-secondary) !important;
}

.text-subtle {
    color: var(--sifoo-text-muted) !important;
}

/* Buttons (Modern Touch Targets, Smooth Transitions & Tactile Press) */
.btn {
    position: relative;
    border-radius: var(--sifoo-radius-md);
    font-weight: 600;
    padding: 0.55rem 1.2rem;
    min-height: 40px;
    transition: all var(--sifoo-transition-fast);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    letter-spacing: -0.01em;
    overflow: hidden;
}

.btn-sm {
    padding: 0.38rem 0.9rem;
    min-height: 34px;
    font-size: 0.84rem;
    border-radius: var(--sifoo-radius-sm);
}

.btn-lg {
    padding: 0.8rem 1.85rem;
    min-height: 48px;
    font-size: 1.05rem;
    border-radius: var(--sifoo-radius-lg);
}

.btn:active {
    transform: scale(0.96) !important;
}

.btn-primary,
.btn-gold,
.btn-primary-themed {
    background: var(--sifoo-primary-gradient, var(--sifoo-primary)) !important;
    color: var(--sifoo-primary-contrast) !important;
    border: 1px solid rgba(255, 255, 255, 0.16) !important;
    box-shadow: 0 4px 14px -2px var(--sifoo-focus-ring), 0 2px 6px rgba(0, 0, 0, 0.12), inset 0 1px 0 rgba(255, 255, 255, 0.22);
}

.btn-primary:hover,
.btn-gold:hover,
.btn-primary-themed:hover {
    background-color: var(--sifoo-primary-hover) !important;
    color: #ffffff !important;
    box-shadow: 0 8px 22px -3px var(--sifoo-focus-ring), 0 4px 10px rgba(0, 0, 0, 0.16), inset 0 1px 0 rgba(255, 255, 255, 0.28);
    transform: translateY(-1px);
}

.btn-outline-gold,
.btn-outline-primary-themed {
    color: var(--sifoo-primary) !important;
    border: 1.5px solid var(--sifoo-primary) !important;
    background: var(--sifoo-primary-subtle);
}

.btn-outline-gold:hover,
.btn-outline-primary-themed:hover {
    background: var(--sifoo-primary-gradient, var(--sifoo-primary)) !important;
    color: var(--sifoo-primary-contrast) !important;
    box-shadow: 0 6px 16px -2px var(--sifoo-focus-ring);
    transform: translateY(-1px);
}

.btn-secondary-themed {
    background-color: var(--sifoo-secondary) !important;
    color: var(--sifoo-secondary-contrast) !important;
    border: 1px solid var(--sifoo-secondary) !important;
    box-shadow: var(--sifoo-shadow-xs);
}

.btn-secondary-themed:hover {
    background-color: var(--sifoo-secondary-hover) !important;
    transform: translateY(-1px);
}

.btn-outline-secondary {
    color: var(--sifoo-text-secondary) !important;
    border: 1px solid var(--sifoo-border-subtle) !important;
    background-color: var(--sifoo-bg-card);
    box-shadow: var(--sifoo-shadow-xs);
}

.btn-outline-secondary:hover {
    background-color: var(--sifoo-bg-elevated) !important;
    color: var(--sifoo-primary) !important;
    border-color: var(--sifoo-primary) !important;
    box-shadow: var(--sifoo-shadow-sm);
    transform: translateY(-1px);
}

/* Form Controls */
.form-control,
.form-select {
    background-color: var(--sifoo-input-bg) !important;
    border: 1px solid var(--sifoo-input-border) !important;
    color: var(--sifoo-input-text) !important;
    border-radius: var(--sifoo-radius-md);
    padding: 0.6rem 0.95rem;
    font-size: 0.95rem;
    transition: border-color var(--sifoo-transition-fast), box-shadow var(--sifoo-transition-fast);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--sifoo-primary) !important;
    box-shadow: 0 0 0 4px var(--sifoo-focus-ring) !important;
}

.form-label {
    color: var(--sifoo-text-secondary);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 0.4rem;
}

/* Tables */
.table {
    --bs-table-bg: transparent;
    --bs-table-color: var(--sifoo-text-main);
    border-color: var(--sifoo-border);
}

.table th {
    background-color: var(--sifoo-bg-card-subtle);
    color: var(--sifoo-text-muted);
    font-weight: 700;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 2px solid var(--sifoo-border);
    padding: 0.9rem 1.1rem;
}

.table td {
    border-bottom: 1px solid var(--sifoo-border);
    color: var(--sifoo-text-main);
    padding: 0.9rem 1.1rem;
    vertical-align: middle;
}

/* Badges */
.badge {
    border-radius: var(--sifoo-radius-pill);
    font-weight: 600;
    padding: 0.4em 0.8em;
    font-size: 0.78rem;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
}

.badge-themed {
    background-color: var(--sifoo-badge-bg) !important;
    border: 1px solid var(--sifoo-badge-border) !important;
    color: var(--sifoo-badge-text) !important;
}

/* Modals */
.modal-content {
    background-color: var(--sifoo-bg-card) !important;
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--sifoo-border) !important;
    box-shadow: var(--sifoo-shadow-xl);
    border-radius: var(--sifoo-radius-xl);
    color: var(--sifoo-text-main);
}

.modal-header {
    border-bottom: 1px solid var(--sifoo-border);
    padding: 1.35rem 1.6rem;
}

.modal-body {
    padding: 1.6rem;
}

.modal-footer {
    border-top: 1px solid var(--sifoo-border);
    padding: 1.1rem 1.6rem;
}

/* Dropdown Menus */
.dropdown-menu {
    background-color: var(--sifoo-bg-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--sifoo-border);
    box-shadow: var(--sifoo-shadow-lg);
    border-radius: var(--sifoo-radius-md);
    color: var(--sifoo-text-main);
    padding: 0.5rem;
}

.dropdown-item {
    color: var(--sifoo-text-main);
    border-radius: var(--sifoo-radius-sm);
    padding: 0.5rem 0.95rem;
    font-weight: 500;
    transition: all var(--sifoo-transition-fast);
}

.dropdown-item:hover,
.dropdown-item:focus {
    background-color: var(--sifoo-bg-card-subtle);
    color: var(--sifoo-primary);
}

.dropdown-item.active {
    background: var(--sifoo-primary-gradient, var(--sifoo-primary));
    color: var(--sifoo-primary-contrast);
}

/* Alerts */
.alert {
    border-radius: var(--sifoo-radius-md);
    border-width: 1px;
    font-size: 0.92rem;
    backdrop-filter: blur(10px);
}

.alert-danger {
    background-color: var(--sifoo-danger-bg);
    border-color: var(--sifoo-danger-border);
    color: var(--sifoo-danger-text);
}

.alert-success {
    background-color: var(--sifoo-success-bg);
    border-color: var(--sifoo-success-border);
    color: var(--sifoo-success-text);
}

.alert-info {
    background-color: var(--sifoo-info-bg);
    border-color: var(--sifoo-info-border);
    color: var(--sifoo-info-text);
}

/* ==========================================================================
   6. Tactile Central Microphone Hub (Luminous Voice Signature)
   ========================================================================== */
.mic-control-hub {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2.25rem 1rem;
}

.mic-button-ring {
    position: relative;
    width: 148px;
    height: 148px;
    border-radius: 50%;
    background: var(--sifoo-bg-card);
    border: 4px solid var(--sifoo-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 10px 28px -4px rgba(0, 0, 0, 0.12), 0 0 0 1px var(--sifoo-border);
    transition: transform var(--sifoo-transition-fast), 
                box-shadow var(--sifoo-transition-normal), 
                border-color var(--sifoo-transition-normal), 
                background-color var(--sifoo-transition-normal);
    outline: none;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

.mic-button-ring .mic-icon {
    font-size: 3.5rem;
    color: var(--sifoo-primary);
    transition: color var(--sifoo-transition-fast);
}

.mic-button-ring.state-idle:hover {
    transform: scale(1.05);
    box-shadow: 0 14px 36px -4px rgba(0, 0, 0, 0.18), 0 0 20px rgba(206, 17, 38, 0.15);
    border-color: var(--sifoo-accent);
}

.mic-button-ring.state-idle:hover .mic-icon {
    color: var(--sifoo-accent);
}

.mic-button-ring:active {
    transform: scale(0.95);
}

.mic-button-ring.state-recording {
    border-color: var(--sifoo-danger);
    background: var(--sifoo-danger-bg);
    animation: pulseRecording 1.5s infinite;
}

.mic-button-ring.state-recording .mic-icon {
    color: var(--sifoo-danger);
}

.mic-button-ring.state-processing {
    border-color: var(--sifoo-info);
    background: var(--sifoo-info-bg);
    animation: spinRing 2s linear infinite;
}

.mic-button-ring.state-processing .mic-icon {
    color: var(--sifoo-info);
}

.mic-button-ring.state-playing {
    border-color: var(--sifoo-success);
    background: var(--sifoo-success-bg);
    box-shadow: 0 0 35px rgba(22, 163, 74, 0.45);
}

.mic-button-ring.state-playing .mic-icon {
    color: var(--sifoo-success);
}

/* Waveform Visualizer simulation */
.waveform-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    height: 38px;
    margin-top: 1.25rem;
    opacity: 0.35;
    transition: opacity var(--sifoo-transition-normal);
}

.waveform-container.active {
    opacity: 1;
}

.waveform-bar {
    width: 4px;
    background: var(--sifoo-primary);
    border-radius: var(--sifoo-radius-pill);
    height: 8px;
    transition: height 0.15s ease, background-color var(--sifoo-transition-fast);
}

.waveform-container.active .waveform-bar {
    animation: waveAnim 1s ease-in-out infinite alternate;
}

.waveform-container.active .waveform-bar:nth-child(2) { animation-delay: 0.2s; }
.waveform-container.active .waveform-bar:nth-child(3) { animation-delay: 0.4s; }
.waveform-container.active .waveform-bar:nth-child(4) { animation-delay: 0.1s; }
.waveform-container.active .waveform-bar:nth-child(5) { animation-delay: 0.3s; }

@keyframes pulseRecording {
    0% {
        box-shadow: 0 0 0 0 rgba(220, 38, 38, 0.6);
        transform: scale(1);
    }
    70% {
        box-shadow: 0 0 0 22px rgba(220, 38, 38, 0);
        transform: scale(1.04);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(220, 38, 38, 0);
        transform: scale(1);
    }
}

@keyframes spinRing {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes waveAnim {
    0% { height: 6px; }
    100% { height: 34px; }
}

/* ==========================================================================
   7. Transcript Turn Cards & Feed (Chat & Voice Bubbles)
   ========================================================================== */
.transcripts-section {
    display: flex;
    flex-direction: column;
}

.transcript-feed {
    max-height: 62vh;
    min-height: 200px;
    overflow-y: auto;
    overflow-x: hidden;
    padding-inline-end: 0.5rem;
    padding-inline-start: 0.25rem;
    scroll-behavior: smooth;
    scrollbar-width: thin;
    scrollbar-color: var(--sifoo-border-subtle) transparent;
}

.transcript-feed::-webkit-scrollbar {
    width: 6px;
}

.transcript-feed::-webkit-scrollbar-track {
    background: transparent;
}

.transcript-feed::-webkit-scrollbar-thumb {
    background: var(--sifoo-border-subtle);
    border-radius: var(--sifoo-radius-pill);
}

.transcript-feed::-webkit-scrollbar-thumb:hover {
    background: var(--sifoo-text-muted);
}

/* Chat & Transcript Card Base */
.transcript-card {
    background-color: var(--sifoo-bg-card) !important;
    border: 1px solid var(--sifoo-border) !important;
    border-radius: var(--sifoo-radius-lg) !important;
    position: relative;
    box-shadow: var(--sifoo-shadow-xs);
    transition: transform var(--sifoo-transition-fast), box-shadow var(--sifoo-transition-fast);
}

.transcript-card:hover {
    box-shadow: var(--sifoo-shadow-md);
}

/* Sender Differentiation (Logical Border Properties for RTL/LTR) */
.transcript-card.bubble-me {
    border-inline-start: 4px solid var(--sifoo-primary) !important;
    background: linear-gradient(135deg, var(--sifoo-bg-card) 0%, var(--sifoo-bg-card-subtle) 100%) !important;
}

.transcript-card.bubble-peer {
    border-inline-start: 4px solid var(--sifoo-accent) !important;
}

/* Avatar Badge */
.bubble-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.825rem;
    font-weight: 700;
    color: #fff;
    background: var(--sifoo-primary-gradient, var(--sifoo-primary));
}

.bubble-avatar.avatar-peer {
    background-color: var(--sifoo-accent);
}

.transcript-source-text {
    color: var(--sifoo-text-main) !important;
}

.transcript-target-text {
    color: var(--sifoo-primary) !important;
}

/* Live Connection Pulse Indicator */
.connection-pulse {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.3rem 0.75rem;
    border-radius: var(--sifoo-radius-pill);
    background: var(--sifoo-bg-card);
    border: 1px solid var(--sifoo-border);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--sifoo-text-secondary);
}

.pulse-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
    transition: background-color var(--sifoo-transition-normal);
}

.pulse-dot.pulse-live {
    background-color: #22c55e;
    box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.7);
    animation: livePulseAnim 2s infinite;
}

.pulse-dot.pulse-syncing {
    background-color: #eab308;
    box-shadow: 0 0 0 0 rgba(234, 179, 8, 0.7);
    animation: livePulseAnim 1s infinite;
}

.pulse-dot.pulse-offline {
    background-color: #ef4444;
}

@keyframes livePulseAnim {
    0% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.7);
    }
    70% {
        box-shadow: 0 0 0 6px rgba(34, 197, 94, 0);
    }
    100% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(34, 197, 94, 0);
    }
}

/* ==========================================================================
   8. Appearance Preview Component
   ========================================================================== */
.theme-preview-card {
    border: 2px solid var(--sifoo-border);
    border-radius: var(--sifoo-radius-lg);
    padding: 1.25rem;
    transition: all var(--sifoo-transition-normal);
}

.theme-preview-swatch {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: inline-block;
    box-shadow: var(--sifoo-shadow-xs);
    border: 2px solid #ffffff;
}

/* ==========================================================================
   9. Mobile-First & Tablet Responsive Grid
   ========================================================================== */

/* Small Smartphones (320px - 575px) */
@media (max-width: 575.98px) {
    .mic-button-ring {
        width: 128px;
        height: 128px;
    }
    .mic-button-ring .mic-icon {
        font-size: 2.85rem;
    }
    .interpreter-workspace .card {
        padding: 1.25rem !important;
    }
    .transcript-card p {
        font-size: 1.05rem !important;
    }
}

/* Tablets & Desktop Split Grid (768px+) */
@media (min-width: 768px) {
    .tablet-split-grid {
        display: grid;
        grid-template-columns: 420px 1fr;
        gap: 1.75rem;
        align-items: start;
    }
    .tablet-sticky-station {
        position: sticky;
        top: 5rem;
    }
    .mic-button-ring {
        width: 164px;
        height: 164px;
    }
    .mic-button-ring .mic-icon {
        font-size: 4rem;
    }
}

@media (min-width: 1200px) {
    .tablet-split-grid {
        grid-template-columns: 460px 1fr;
        gap: 2.25rem;
    }
}

/* PWA App Install Banner */
.pwa-install-banner {
    background: var(--sifoo-bg-card-subtle);
    border: 1px solid var(--sifoo-primary);
    border-radius: var(--sifoo-radius-md);
    color: var(--sifoo-text-main);
}

/* ==========================================================================
   10. Figma-Inspired Mobile Floating Bottom Navigation Dock (PWA Experience)
   ========================================================================== */
.mobile-bottom-nav {
    display: none;
    position: fixed;
    bottom: max(0.75rem, var(--safe-area-inset-bottom));
    left: 0;
    right: 0;
    z-index: 1040;
    pointer-events: none;
    padding: 0 0.85rem;
}

.mobile-bottom-nav-inner {
    pointer-events: auto;
    display: flex;
    justify-content: space-around;
    align-items: center;
    height: 68px;
    max-width: 480px;
    margin: 0 auto;
    padding: 0.35rem 0.5rem;
    background: var(--sifoo-nav-bg);
    backdrop-filter: blur(24px) saturate(190%);
    -webkit-backdrop-filter: blur(24px) saturate(190%);
    border: 1px solid var(--sifoo-nav-border);
    border-radius: var(--sifoo-radius-xl);
    box-shadow: var(--sifoo-shadow-lg), inset 0 1px 0 rgba(255, 255, 255, 0.16);
}

.mobile-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex: 1;
    min-width: 52px;
    height: 100%;
    color: var(--sifoo-text-muted);
    text-decoration: none;
    font-size: 0.72rem;
    font-weight: 600;
    transition: color var(--sifoo-transition-fast), transform var(--sifoo-transition-fast);
    border-radius: var(--sifoo-radius-md);
    position: relative;
    padding: 2px 0;
    -webkit-tap-highlight-color: transparent;
}

.mobile-nav-item:hover,
.mobile-nav-item:focus {
    color: var(--sifoo-primary);
}

.mobile-nav-item:active {
    transform: scale(0.94);
}

.mobile-nav-pill-bg {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 30px;
    border-radius: var(--sifoo-radius-pill);
    margin-bottom: 3px;
    transition: background-color var(--sifoo-transition-normal),
                color var(--sifoo-transition-fast),
                box-shadow var(--sifoo-transition-normal),
                transform var(--sifoo-transition-fast);
}

.mobile-nav-icon {
    font-size: 1.25rem;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mobile-nav-item.active {
    color: var(--sifoo-primary);
    font-weight: 700;
}

.mobile-nav-item.active .mobile-nav-pill-bg {
    background: var(--sifoo-primary-gradient, var(--sifoo-primary));
    color: var(--sifoo-primary-contrast);
    box-shadow: 0 4px 12px -2px var(--sifoo-focus-ring);
    transform: translateY(-1px);
}

.mobile-nav-label {
    line-height: 1.15;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 72px;
}

@media (max-width: 991.98px) {
    .mobile-bottom-nav {
        display: block;
    }
    main.container {
        padding-bottom: calc(92px + var(--safe-area-inset-bottom)) !important;
    }
}

/* ==========================================================================
   11. Accessibility: Prefers-Reduced-Motion Respect
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* ==========================================================================
   12. Modern Voice Rooms Dashboard & Dimensional Bento Cards
   ========================================================================== */
.rooms-hero-banner {
    position: relative;
    background: var(--sifoo-bg-card);
    border: 1px solid var(--sifoo-border);
    border-radius: var(--sifoo-radius-lg);
    padding: 1.5rem 1.75rem;
    box-shadow: var(--sifoo-shadow-sm);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    overflow: hidden;
}

.rooms-hero-banner::before {
    content: "";
    position: absolute;
    inset-inline-start: 0;
    top: 0;
    bottom: 0;
    width: 5px;
    background: var(--sifoo-primary-gradient, var(--sifoo-primary));
}

.rooms-count-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.28rem 0.75rem;
    font-size: 0.78rem;
    font-weight: 700;
    border-radius: var(--sifoo-radius-pill);
    background: var(--sifoo-badge-bg);
    color: var(--sifoo-badge-text);
    border: 1px solid var(--sifoo-badge-border);
}

.rooms-search-wrapper {
    position: relative;
    max-width: 340px;
    width: 100%;
}

.rooms-search-input {
    border-radius: var(--sifoo-radius-pill) !important;
    padding-inline-start: 2.5rem !important;
    padding-inline-end: 1rem !important;
    background-color: var(--sifoo-bg-card-subtle) !important;
    border: 1px solid var(--sifoo-border) !important;
    font-size: 0.88rem !important;
    height: 40px;
    transition: all var(--sifoo-transition-fast);
}

.rooms-search-input:focus {
    background-color: var(--sifoo-bg-elevated) !important;
    border-color: var(--sifoo-primary) !important;
    box-shadow: 0 0 0 3px var(--sifoo-focus-ring) !important;
}

.rooms-search-icon {
    position: absolute;
    inset-inline-start: 0.95rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--sifoo-text-muted);
    pointer-events: none;
    font-size: 0.9rem;
}

/* Modern Voice Room Card */
.sifoo-room-card {
    position: relative;
    display: flex;
    flex-direction: column;
    height: 100%;
    background: var(--sifoo-bg-card);
    border: 1px solid var(--sifoo-border);
    border-radius: var(--sifoo-radius-lg);
    padding: 1.35rem;
    box-shadow: var(--sifoo-shadow-sm);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    transition: transform var(--sifoo-transition-normal),
                box-shadow var(--sifoo-transition-normal),
                border-color var(--sifoo-transition-normal);
    overflow: hidden;
    z-index: 1;
}

.sifoo-room-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--sifoo-primary-gradient, var(--sifoo-primary));
    opacity: 0.78;
    transition: height var(--sifoo-transition-fast), opacity var(--sifoo-transition-fast);
}

.sifoo-room-card::after {
    content: "";
    position: absolute;
    top: -50px;
    inset-inline-end: -50px;
    width: 130px;
    height: 130px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--sifoo-focus-ring) 0%, transparent 70%);
    opacity: 0.45;
    pointer-events: none;
    z-index: -1;
    transition: transform var(--sifoo-transition-smooth), opacity var(--sifoo-transition-normal);
}

.sifoo-room-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--sifoo-shadow-lg);
    border-color: var(--sifoo-badge-border);
}

.sifoo-room-card:hover::before {
    height: 5px;
    opacity: 1;
}

.sifoo-room-card:hover::after {
    transform: scale(1.35);
    opacity: 0.85;
}

/* Card Header: Acoustic Orb + Title + Role Badge */
.room-icon-orb {
    position: relative;
    width: 48px;
    height: 48px;
    min-width: 48px;
    border-radius: 14px;
    background: var(--sifoo-primary-gradient, var(--sifoo-primary));
    color: #ffffff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    box-shadow: 0 6px 16px -3px var(--sifoo-focus-ring);
    transition: transform var(--sifoo-transition-normal);
}

.sifoo-room-card:hover .room-icon-orb {
    transform: scale(1.06) rotate(-3deg);
}

.room-live-dot {
    position: absolute;
    bottom: -2px;
    inset-inline-end: -2px;
    width: 13px;
    height: 13px;
    border-radius: 50%;
    background-color: #16a34a;
    border: 2.5px solid var(--sifoo-bg-elevated);
    box-shadow: 0 0 0 2px rgba(22, 163, 74, 0.25);
}

.room-title-link {
    color: var(--sifoo-text-main);
    text-decoration: none;
    font-size: 1.08rem;
    font-weight: 700;
    line-height: 1.35;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color var(--sifoo-transition-fast);
}

.room-title-link:hover {
    color: var(--sifoo-primary);
}

.room-slug-code {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 0.72rem;
    color: var(--sifoo-text-muted);
    background: var(--sifoo-bg-card-subtle);
    padding: 0.12rem 0.45rem;
    border-radius: 6px;
    border: 1px solid var(--sifoo-border-subtle);
}

.room-role-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.25rem 0.65rem;
    border-radius: var(--sifoo-radius-pill);
    font-size: 0.73rem;
    font-weight: 700;
    letter-spacing: 0.01em;
    white-space: nowrap;
}

.room-role-pill.role-owner {
    background: var(--sifoo-warning-bg);
    color: var(--sifoo-warning-text);
    border: 1px solid var(--sifoo-warning-border);
}

.room-role-pill.role-participant {
    background: var(--sifoo-badge-bg);
    color: var(--sifoo-badge-text);
    border: 1px solid var(--sifoo-badge-border);
}

[data-theme="dark"] .room-role-pill.role-owner {
    background: rgba(217, 119, 6, 0.16);
    color: #fbbf24;
    border-color: rgba(251, 191, 36, 0.3);
}

/* Description text clamping */
.room-desc-text {
    color: var(--sifoo-text-secondary);
    font-size: 0.87rem;
    line-height: 1.55;
    margin-top: 0.75rem;
    margin-bottom: 1rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 2.7em;
}

/* Bento Metadata Strip inside Card */
.room-bento-strip {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    padding: 0.65rem 0.8rem;
    border-radius: var(--sifoo-radius-md);
    background: var(--sifoo-bg-card-subtle);
    border: 1px solid var(--sifoo-border-subtle);
    margin-top: auto;
    margin-bottom: 1rem;
}

.room-lang-bridge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.76rem;
    font-weight: 700;
    color: var(--sifoo-text-main);
}

.room-lang-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.22rem;
    padding: 0.15rem 0.45rem;
    border-radius: 6px;
    background: var(--sifoo-bg-elevated);
    border: 1px solid var(--sifoo-border);
    font-size: 0.72rem;
    font-weight: 700;
}

.room-stats-group {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    font-size: 0.76rem;
    font-weight: 600;
    color: var(--sifoo-text-secondary);
}

.room-stat-item {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

/* Footer CTA Bar */
.room-card-footer {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-enter-room {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.6rem 1rem;
    border-radius: var(--sifoo-radius-md);
    font-weight: 700;
    font-size: 0.9rem;
    text-decoration: none;
    background: var(--sifoo-primary-subtle);
    color: var(--sifoo-primary);
    border: 1px solid var(--sifoo-badge-border);
    transition: all var(--sifoo-transition-fast);
}

[data-theme="dark"] .btn-enter-room {
    background: rgba(59, 130, 246, 0.14);
    color: #93c5fd;
    border-color: rgba(59, 130, 246, 0.3);
}

.sifoo-room-card:hover .btn-enter-room,
.btn-enter-room:hover {
    background: var(--sifoo-primary-gradient, var(--sifoo-primary));
    color: #ffffff !important;
    border-color: transparent;
    box-shadow: 0 6px 16px -2px var(--sifoo-focus-ring);
}

.btn-copy-room-link {
    width: 40px;
    height: 40px;
    min-width: 40px;
    border-radius: var(--sifoo-radius-md);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--sifoo-bg-card-subtle);
    color: var(--sifoo-text-secondary);
    border: 1px solid var(--sifoo-border);
    transition: all var(--sifoo-transition-fast);
    cursor: pointer;
}

.btn-copy-room-link:hover {
    background: var(--sifoo-bg-elevated);
    color: var(--sifoo-primary);
    border-color: var(--sifoo-primary);
}

.btn-delete-card {
    width: 40px;
    height: 40px;
    min-width: 40px;
    border-radius: var(--sifoo-radius-md);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--sifoo-danger-bg);
    color: var(--sifoo-danger);
    border: 1px solid var(--sifoo-danger-border);
    transition: all var(--sifoo-transition-fast);
    cursor: pointer;
}

[data-theme="dark"] .btn-delete-card {
    background: rgba(220, 38, 38, 0.14);
    color: #fca5a5;
    border-color: rgba(220, 38, 38, 0.32);
}

.btn-delete-card:hover {
    background: var(--sifoo-danger);
    color: #ffffff;
    border-color: var(--sifoo-danger);
    box-shadow: 0 4px 12px rgba(220, 38, 38, 0.28);
}

.card-removing {
    opacity: 0;
    transform: scale(0.92);
    transition: opacity 220ms ease, transform 220ms ease;
    pointer-events: none;
}

/* ==========================================================================
   13. Trilingual Typography & Strict RTL / LTR Directionality System
       (ar-EG: RTL Cairo | ru-RU: LTR Inter Cyrillic | en-US: LTR Inter)
   ========================================================================== */

/* 1. Language-Specific Typography Tuning */
html[lang="ar"],
[dir="rtl"] {
    font-family: var(--sifoo-font-arabic);
    line-height: 1.65;
    letter-spacing: 0 !important;
}

html[lang="ru"] {
    font-family: var(--sifoo-font-sans);
    line-height: 1.58;
    letter-spacing: -0.008em;
    font-feature-settings: "cv02", "cv03", "cv04", "cv11";
}

html[lang="en"] {
    font-family: var(--sifoo-font-sans);
    line-height: 1.55;
    letter-spacing: -0.012em;
    font-feature-settings: "cv02", "cv03", "cv04", "cv11";
}

/* Cyrillic & English Heading Optical Balance */
html[lang="ru"] h1, html[lang="ru"] h2, html[lang="ru"] h3,
html[lang="ru"] .h1, html[lang="ru"] .h2, html[lang="ru"] .h3,
html[lang="en"] h1, html[lang="en"] h2, html[lang="en"] h3,
html[lang="en"] .h1, html[lang="en"] .h2, html[lang="en"] .h3 {
    letter-spacing: -0.024em;
    line-height: 1.25;
}

html[lang="ar"] h1, html[lang="ar"] h2, html[lang="ar"] h3,
html[lang="ar"] .h1, html[lang="ar"] .h2, html[lang="ar"] .h3 {
    letter-spacing: 0 !important;
    line-height: 1.4;
}

/* 2. Strict BiDi & Directionality Alignment Fixes */
[dir="rtl"] .dropdown-menu,
[dir="rtl"] .sifoo-mega-menu {
    text-align: right;
}

[dir="ltr"] .dropdown-menu,
[dir="ltr"] .sifoo-mega-menu {
    text-align: left;
}

/* Form Selects Chevron Placement in RTL vs LTR */
[dir="rtl"] .form-select {
    background-position: left 0.75rem center;
    padding-right: 0.85rem;
    padding-left: 2.25rem;
}

[dir="ltr"] .form-select {
    background-position: right 0.75rem center;
    padding-left: 0.85rem;
    padding-right: 2.25rem;
}

/* Input Groups Seamless Border Radii in RTL and LTR */
[dir="rtl"] .input-group > :not(:first-child):not(.dropdown-menu):not(.valid-tooltip):not(.valid-feedback):not(.invalid-tooltip):not(.invalid-feedback) {
    margin-right: -1px;
    margin-left: 0;
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
    border-top-left-radius: var(--sifoo-radius-sm);
    border-bottom-left-radius: var(--sifoo-radius-sm);
}

[dir="rtl"] .input-group:not(.has-validation) > :not(:last-child):not(.dropdown-toggle):not(.dropdown-menu):not(.form-floating) {
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
    border-top-right-radius: var(--sifoo-radius-sm);
    border-bottom-right-radius: var(--sifoo-radius-sm);
}

/* BiDi Isolation for Technical Tokens, Emails, Codes, Timers, and URLs */
code, pre, .font-monospace, [dir="ltr"] {
    unicode-bidi: isolate;
}

/* 3. Interactive Palette Quick-Switch Pill Active State */
.palette-quick-btn {
    border-color: var(--sifoo-border);
    color: var(--sifoo-text-main);
    background-color: var(--sifoo-bg-card);
    transition: all var(--sifoo-transition-fast);
}

.palette-quick-btn:hover {
    border-color: var(--sifoo-primary);
    background-color: var(--sifoo-primary-subtle);
    color: var(--sifoo-primary);
    transform: translateY(-1px);
}

.palette-quick-btn.active {
    border-color: var(--sifoo-primary) !important;
    background: var(--sifoo-primary-subtle) !important;
    color: var(--sifoo-primary) !important;
    box-shadow: 0 0 0 3px var(--sifoo-focus-ring);
}

/* ==========================================================================
   14. Strict Per-Block Speech/Message Directionality (RTL vs LTR)
       & UI/UX Pro Max Arrow Controls
   ========================================================================== */

/* 1. Unconditional RTL & LTR Content Blocks (immune to Bootstrap .text-start/.text-end flips) */
.lang-block-rtl,
.lang-block-rtl p,
.lang-block-rtl .transcript-source-text,
.lang-block-rtl .transcript-target-text {
    direction: rtl !important;
    text-align: right !important;
    unicode-bidi: isolate !important;
    font-family: var(--sifoo-font-arabic) !important;
    line-height: 1.65;
    letter-spacing: 0 !important;
}

.lang-block-ltr,
.lang-block-ltr p,
.lang-block-ltr .transcript-source-text,
.lang-block-ltr .transcript-target-text {
    direction: ltr !important;
    text-align: left !important;
    unicode-bidi: isolate !important;
    font-family: var(--sifoo-font-sans) !important;
    line-height: 1.55;
    letter-spacing: -0.008em;
}

/* 2. Dual-Pane Transcript Turn Layout */
.transcript-pane {
    padding: 0.75rem 0.9rem;
    border-radius: var(--sifoo-radius-md);
    transition: background-color var(--sifoo-transition-fast);
}

.transcript-pane-source {
    background-color: var(--sifoo-bg-card-subtle);
    border: 1px solid var(--sifoo-border-subtle);
}

.transcript-pane-target {
    background: var(--sifoo-primary-subtle);
    border: 1px solid var(--sifoo-badge-border);
}

[data-theme="dark"] .transcript-pane-target {
    background: rgba(255, 255, 255, 0.03);
    border-color: var(--sifoo-border);
}

/* Speak & Copy Turn Action Pill Buttons */
.turn-action-group {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.btn-turn-action {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.22rem 0.65rem;
    font-size: 0.76rem;
    font-weight: 600;
    border-radius: var(--sifoo-radius-pill);
    background-color: var(--sifoo-bg-card);
    color: var(--sifoo-text-secondary);
    border: 1px solid var(--sifoo-border);
    cursor: pointer;
    transition: all var(--sifoo-transition-fast);
    white-space: nowrap;
}

.btn-turn-action:hover {
    background-color: var(--sifoo-primary);
    color: #ffffff;
    border-color: var(--sifoo-primary);
    transform: translateY(-1px);
    box-shadow: 0 3px 8px var(--sifoo-focus-ring);
}

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

/* 3. Transcript Feed Header Toolbar & Segmented Scroll Arrows (↑ / ↓) */
.transcript-toolbar {
    background-color: var(--sifoo-bg-card);
    border: 1px solid var(--sifoo-border);
    border-radius: var(--sifoo-radius-lg);
    padding: 0.65rem 0.95rem;
    box-shadow: var(--sifoo-shadow-xs);
}

.transcript-toolbar-icon {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--sifoo-primary-subtle);
    color: var(--sifoo-primary);
    font-size: 1rem;
    flex-shrink: 0;
}

.ephemeral-privacy-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.3rem 0.75rem;
    border-radius: var(--sifoo-radius-pill);
    background-color: var(--sifoo-primary-subtle);
    color: var(--sifoo-badge-text);
    border: 1px solid var(--sifoo-badge-border);
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1.3;
}

.scroll-action-group {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.2rem;
    background-color: var(--sifoo-bg-card-subtle);
    border: 1px solid var(--sifoo-border);
    border-radius: var(--sifoo-radius-pill);
}

.btn-scroll-action {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: none;
    background: transparent;
    color: var(--sifoo-text-secondary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--sifoo-transition-fast);
    padding: 0;
}

.btn-scroll-action:hover {
    background: var(--sifoo-primary-gradient, var(--sifoo-primary));
    color: #ffffff;
    transform: translateY(-1px);
    box-shadow: 0 4px 10px var(--sifoo-focus-ring);
}

.btn-scroll-action:active {
    transform: scale(0.92);
}

/* 4. Language Swap Arrow Button & Pill Selectors */
.lang-select-pill {
    border-radius: var(--sifoo-radius-pill) !important;
    min-width: 158px;
    font-weight: 600;
    padding-top: 0.4rem !important;
    padding-bottom: 0.4rem !important;
    border: 1px solid var(--sifoo-border) !important;
    background-color: var(--sifoo-bg-card) !important;
    color: var(--sifoo-text-main) !important;
    cursor: pointer;
    transition: all var(--sifoo-transition-fast);
}

.lang-select-pill:hover,
.lang-select-pill:focus {
    border-color: var(--sifoo-primary) !important;
    box-shadow: 0 0 0 3px var(--sifoo-focus-ring) !important;
}

.btn-swap-langs {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid var(--sifoo-border);
    background-color: var(--sifoo-bg-card);
    color: var(--sifoo-primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all var(--sifoo-transition-normal);
    box-shadow: var(--sifoo-shadow-xs);
    flex-shrink: 0;
}

.btn-swap-langs:hover {
    background: var(--sifoo-primary-gradient, var(--sifoo-primary));
    color: #ffffff;
    border-color: transparent;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--sifoo-focus-ring);
}

.btn-swap-langs.is-swapping i {
    transform: rotate(180deg);
    transition: transform 0.32s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* 5. Direction-Aware Back Button Pill with Animated Arrow */
.btn-back-pill {
    border-radius: var(--sifoo-radius-pill) !important;
    padding: 0.35rem 0.9rem !important;
    font-weight: 600;
    background-color: var(--sifoo-bg-card);
    color: var(--sifoo-text-main);
    border: 1px solid var(--sifoo-border);
    box-shadow: var(--sifoo-shadow-xs);
    transition: all var(--sifoo-transition-fast);
}

.btn-back-pill .back-arrow-icon {
    display: inline-block;
    transition: transform var(--sifoo-transition-fast);
}

.btn-back-pill:hover {
    background-color: var(--sifoo-primary-subtle);
    color: var(--sifoo-primary);
    border-color: var(--sifoo-primary);
}

[dir="rtl"] .btn-back-pill:hover .back-arrow-icon {
    transform: translateX(3px);
}

[dir="ltr"] .btn-back-pill:hover .back-arrow-icon {
    transform: translateX(-3px);
}

/* ==========================================================================
   Notification Engine & Header Bell Styles
   ========================================================================== */
.sifoo-notif-dropdown .dropdown-toggle::after {
    display: none;
}

.sifoo-notif-dropdown-menu {
    border-radius: var(--sifoo-radius-lg);
    overflow: hidden;
}

.sifoo-notif-dropdown-item {
    transition: background-color var(--sifoo-transition-fast);
    text-decoration: none;
    color: var(--sifoo-text-main);
    display: block;
}

.sifoo-notif-dropdown-item:hover {
    background-color: var(--sifoo-bg-card-subtle);
}

.sifoo-notif-dropdown-item.is-unread {
    background-color: rgba(192, 147, 0, 0.06);
    border-inline-start: 3px solid var(--sifoo-primary, #c09300);
}

.sifoo-notif-card {
    transition: transform var(--sifoo-transition-fast), box-shadow var(--sifoo-transition-fast), border-color var(--sifoo-transition-fast);
    border: 1px solid var(--sifoo-border) !important;
}

.sifoo-notif-card:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.sifoo-notif-card.is-unread {
    background-color: rgba(192, 147, 0, 0.04);
    border-color: rgba(192, 147, 0, 0.4) !important;
    border-inline-start: 4px solid var(--sifoo-primary, #c09300) !important;
}

[data-theme="dark"] .sifoo-notif-card.is-unread {
    background-color: rgba(192, 147, 0, 0.08);
    border-color: rgba(192, 147, 0, 0.5) !important;
}