/* ============================================
   MR Saeid - Dark Mode CSS
   ============================================ */

/* ============================================
   1. CSS Variables for Dark Mode
   ============================================ */

:root {
    /* Light Mode Colors (Default) */
    --bg-primary: #F3F4F6;
    --bg-secondary: #FFFFFF;
    --bg-tertiary: #E5E7EB;
    --text-primary: #1F2937;
    --text-secondary: #4B5563;
    --text-muted: #6B7280;
    --border-color: #E5E7EB;
    --card-bg: #FFFFFF;
    --card-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    --input-bg: #FFFFFF;
    --input-border: #D1D5DB;
    --nav-bg: rgba(243, 244, 246, 0.8);
    --footer-bg: #1F2937;
    --footer-text: #D1D5DB;
    --accent-primary: #4F46E5;
    --accent-secondary: #10B981;
    --gradient-start: #667eea;
    --gradient-end: #764ba2;
}

/* Dark Mode Colors */
[data-theme="dark"] {
    --bg-primary: #0F172A;
    --bg-secondary: #1E293B;
    --bg-tertiary: #334155;
    --text-primary: #F1F5F9;
    --text-secondary: #CBD5E1;
    --text-muted: #94A3B8;
    --border-color: #334155;
    --card-bg: #1E293B;
    --card-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    --input-bg: #1E293B;
    --input-border: #475569;
    --nav-bg: rgba(15, 23, 42, 0.9);
    --footer-bg: #0F172A;
    --footer-text: #94A3B8;
    --accent-primary: #818CF8;
    --accent-secondary: #34D399;
    --gradient-start: #818CF8;
    --gradient-end: #A78BFA;
}

/* ============================================
   2. Base Styles with Variables
   ============================================ */

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* ============================================
   3. Component Styles
   ============================================ */

/* Navigation */
[data-theme="dark"] nav,
[data-theme="dark"] .navbar {
    background-color: var(--nav-bg) !important;
    border-color: var(--border-color) !important;
}

[data-theme="dark"] nav a,
[data-theme="dark"] .navbar a {
    color: var(--text-primary) !important;
}

/* Cards */
[data-theme="dark"] .neu-card,
[data-theme="dark"] .card,
[data-theme="dark"] .feature-card,
[data-theme="dark"] .stat-card,
[data-theme="dark"] .grade-card {
    background-color: var(--card-bg) !important;
    border-color: var(--border-color) !important;
    box-shadow: var(--card-shadow) !important;
}

[data-theme="dark"] .neu-card h1,
[data-theme="dark"] .neu-card h2,
[data-theme="dark"] .neu-card h3,
[data-theme="dark"] .neu-card h4,
[data-theme="dark"] .card h1,
[data-theme="dark"] .card h2,
[data-theme="dark"] .card h3,
[data-theme="dark"] .card h4 {
    color: var(--text-primary) !important;
}

[data-theme="dark"] .neu-card p,
[data-theme="dark"] .card p {
    color: var(--text-secondary) !important;
}

/* Buttons */
[data-theme="dark"] .neu-btn-default {
    background-color: var(--bg-tertiary) !important;
    color: var(--text-primary) !important;
    border-color: var(--border-color) !important;
}

[data-theme="dark"] .neu-btn-primary {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end)) !important;
}

/* Inputs */
[data-theme="dark"] input,
[data-theme="dark"] textarea,
[data-theme="dark"] select {
    background-color: var(--input-bg) !important;
    border-color: var(--input-border) !important;
    color: var(--text-primary) !important;
}

[data-theme="dark"] input::placeholder,
[data-theme="dark"] textarea::placeholder {
    color: var(--text-muted) !important;
}

/* Footer */
[data-theme="dark"] footer {
    background-color: var(--footer-bg) !important;
}

[data-theme="dark"] footer p,
[data-theme="dark"] footer a,
[data-theme="dark"] footer li {
    color: var(--footer-text) !important;
}

[data-theme="dark"] footer a:hover {
    color: var(--text-primary) !important;
}

/* Text Colors */
[data-theme="dark"] .text-foreground,
[data-theme="dark"] .text-gray-800,
[data-theme="dark"] .text-gray-900 {
    color: var(--text-primary) !important;
}

[data-theme="dark"] .text-gray-600,
[data-theme="dark"] .text-gray-700 {
    color: var(--text-secondary) !important;
}

[data-theme="dark"] .text-muted-foreground,
[data-theme="dark"] .text-gray-500 {
    color: var(--text-muted) !important;
}

/* Background Colors */
[data-theme="dark"] .bg-white {
    background-color: var(--card-bg) !important;
}

[data-theme="dark"] .bg-background,
[data-theme="dark"] .bg-gray-50,
[data-theme="dark"] .bg-gray-100 {
    background-color: var(--bg-primary) !important;
}

/* Borders */
[data-theme="dark"] .border,
[data-theme="dark"] .border-gray-200,
[data-theme="dark"] .border-gray-300 {
    border-color: var(--border-color) !important;
}

/* Search Box */
[data-theme="dark"] .search-box {
    background-color: var(--card-bg) !important;
    box-shadow: var(--card-shadow) !important;
}

[data-theme="dark"] .search-box input {
    background-color: transparent !important;
    color: var(--text-primary) !important;
}

/* Tables */
[data-theme="dark"] table {
    background-color: var(--card-bg) !important;
}

[data-theme="dark"] th {
    background-color: var(--bg-tertiary) !important;
    color: var(--text-primary) !important;
}

[data-theme="dark"] td {
    border-color: var(--border-color) !important;
    color: var(--text-secondary) !important;
}

[data-theme="dark"] tr:hover {
    background-color: var(--bg-tertiary) !important;
}

/* Modals */
[data-theme="dark"] .modal-content,
[data-theme="dark"] .modal {
    background-color: var(--card-bg) !important;
    border-color: var(--border-color) !important;
}

/* Dropdowns */
[data-theme="dark"] .dropdown-menu {
    background-color: var(--card-bg) !important;
    border-color: var(--border-color) !important;
}

[data-theme="dark"] .dropdown-item {
    color: var(--text-primary) !important;
}

[data-theme="dark"] .dropdown-item:hover {
    background-color: var(--bg-tertiary) !important;
}

/* Tabs */
[data-theme="dark"] .tab-content {
    background-color: var(--card-bg) !important;
}

[data-theme="dark"] .tab-btn.active {
    background-color: var(--accent-primary) !important;
}

/* ============================================
   4. Dark Mode Toggle Button
   ============================================ */

.theme-toggle {
    position: relative;
    width: 50px;
    height: 26px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 5px;
}

.theme-toggle .toggle-icon {
    font-size: 14px;
    transition: all 0.3s ease;
}

.theme-toggle .sun-icon {
    color: #FCD34D;
    opacity: 1;
}

.theme-toggle .moon-icon {
    color: #F3F4F6;
    opacity: 0.5;
}

[data-theme="dark"] .theme-toggle {
    background: linear-gradient(135deg, #1E293B, #334155);
}

[data-theme="dark"] .theme-toggle .sun-icon {
    opacity: 0.5;
}

[data-theme="dark"] .theme-toggle .moon-icon {
    opacity: 1;
}

.theme-toggle .toggle-slider {
    position: absolute;
    width: 20px;
    height: 20px;
    background: white;
    border-radius: 50%;
    top: 3px;
    left: 3px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

[data-theme="dark"] .theme-toggle .toggle-slider {
    left: 27px;
    background: #1E293B;
}

/* Alternative simple toggle */
.theme-toggle-simple {
    background: linear-gradient(135deg, #667eea, #764ba2);
    border: none;
    border-radius: 50%;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    color: #ffffff;
    font-size: 18px;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.theme-toggle-simple:hover {
    transform: rotate(15deg) scale(1.1);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.5);
}

.theme-toggle-simple .fa-sun {
    display: block;
    color: #FCD34D;
}

.theme-toggle-simple .fa-moon {
    display: none;
    color: #F3F4F6;
}

[data-theme="dark"] .theme-toggle-simple {
    background: linear-gradient(135deg, #1E293B, #334155);
    box-shadow: 0 4px 15px rgba(30, 41, 59, 0.5);
}

[data-theme="dark"] .theme-toggle-simple:hover {
    box-shadow: 0 6px 20px rgba(30, 41, 59, 0.6);
}

[data-theme="dark"] .theme-toggle-simple .fa-sun {
    display: none;
}

[data-theme="dark"] .theme-toggle-simple .fa-moon {
    display: block;
}

/* ============================================
   5. Smooth Transitions
   ============================================ */

* {
    transition: background-color 0.3s ease, 
                border-color 0.3s ease,
                color 0.2s ease,
                box-shadow 0.3s ease;
}

/* Exclude animations from transition */
.animate-fade-in-up,
.animate-fade-in-down,
.animate-scale-in,
.spinner {
    transition: none;
}

/* ============================================
   6. Scrollbar Styles
   ============================================ */

[data-theme="dark"] ::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

[data-theme="dark"] ::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

[data-theme="dark"] ::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: 5px;
}

[data-theme="dark"] ::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* ============================================
   7. Selection Colors
   ============================================ */

[data-theme="dark"] ::selection {
    background: var(--accent-primary);
    color: white;
}

/* ============================================
   8. Code Blocks
   ============================================ */

[data-theme="dark"] pre,
[data-theme="dark"] code {
    background-color: var(--bg-tertiary) !important;
    color: var(--accent-secondary) !important;
}

/* ============================================
   9. Alerts & Notifications
   ============================================ */

[data-theme="dark"] .alert {
    background-color: var(--bg-tertiary) !important;
    border-color: var(--border-color) !important;
    color: var(--text-primary) !important;
}

/* ============================================
   10. Images & Media
   ============================================ */

[data-theme="dark"] img {
    opacity: 0.95;
}

[data-theme="dark"] img:hover {
    opacity: 1;
}

/* ============================================
   11. Specific Page Overrides
   ============================================ */

/* Header gradients remain colorful in dark mode */
[data-theme="dark"] header.bg-gradient-to-br {
    opacity: 0.95;
}

/* Stats section */
[data-theme="dark"] .stat-number {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* FAQ Accordion */
[data-theme="dark"] .faq-item {
    background-color: var(--card-bg) !important;
    border-color: var(--border-color) !important;
}

[data-theme="dark"] .faq-question {
    color: var(--text-primary) !important;
}

[data-theme="dark"] .faq-answer {
    color: var(--text-secondary) !important;
}


/* ============================================
   12. Hero Section Dark Mode Fix
   ============================================ */

/* إصلاح خلفية Hero Section في الوضع الداكن */
[data-theme="dark"] section.bg-gradient-to-br,
[data-theme="dark"] .bg-gradient-to-br {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%) !important;
}

/* إصلاح لون العنوان الرئيسي في Hero Section - محدد أكثر دقة */
[data-theme="dark"] h1,
[data-theme="dark"] section h1,
[data-theme="dark"] h1.text-foreground,
[data-theme="dark"] .text-5xl,
[data-theme="dark"] .text-6xl,
[data-theme="dark"] .font-black {
    color: var(--text-primary) !important;
}

/* إصلاح لون النص الفرعي في Hero Section */
[data-theme="dark"] section p.text-muted-foreground,
[data-theme="dark"] .hero p,
[data-theme="dark"] p.text-xl,
[data-theme="dark"] p.text-lg {
    color: var(--text-muted) !important;
}

/* إصلاح خلفية الأيقونة في Hero Section */
[data-theme="dark"] .bg-blue-100,
[data-theme="dark"] .bg-blue-50,
[data-theme="dark"] .from-blue-50,
[data-theme="dark"] .to-indigo-50 {
    background-color: var(--bg-tertiary) !important;
}

/* إصلاح لون الأيقونة */
[data-theme="dark"] .text-primary {
    color: var(--accent-primary) !important;
}