/* ================================================
   PROFESSIONAL DARK MODE - Sigal Medical Center
   Modern, Sophisticated UI with Glassmorphism
   ================================================ */

/* ========================================
   DARK MODE COLOR PALETTE
   ======================================== */
:root {
    /* Light Mode (Default) - Don't override existing sigal variables */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-card: #ffffff;
    --text-primary: #2c3e50;
    --text-secondary: #6c757d;
    --border-color: rgba(0, 0, 0, 0.1);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
}

/* Override sigal variables in light mode to ensure proper colors */
html:not([data-theme="dark"]) {
    --sigal-primary-dark: #213e7b;
}

[data-theme="dark"] {
    /* Professional Dark Palette */
    --bg-primary: #0a0e27;
    --bg-secondary: #151b3d;
    --bg-card: #1a2142;
    --bg-elevated: #222952;
    --text-primary: #e8eaf0;
    --text-secondary: #a0a8c0;
    --text-muted: #6b7280;
    --border-color: rgba(255, 255, 255, 0.08);
    --border-color-hover: rgba(0, 207, 255, 0.3);
    
    /* Override sigal variables for dark mode */
    --sigal-primary-dark: #e8eaf0;
    
    /* Accent Colors */
    --accent-primary: #00d4ff;
    --accent-secondary: #4a7fd4;
    --accent-gradient: linear-gradient(135deg, #00d4ff 0%, #4a7fd4 100%);
    
    /* Glassmorphism */
    --glass-bg: rgba(26, 33, 66, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    
    /* Shadows for Dark Mode */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.6);
    --glow-cyan: 0 0 20px rgba(0, 212, 255, 0.3);
    --glow-cyan-lg: 0 0 40px rgba(0, 212, 255, 0.4);
}

/* ========================================
   SMOOTH TRANSITIONS
   ======================================== */
* {
    transition: background-color 0.35s cubic-bezier(0.4, 0, 0.2, 1),
                color 0.35s cubic-bezier(0.4, 0, 0.2, 1),
                border-color 0.35s cubic-bezier(0.4, 0, 0.2, 1),
                box-shadow 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========================================
   BODY & GLOBAL STYLES
   ======================================== */
[data-theme="dark"] body {
    background: var(--bg-primary);
    color: var(--text-primary);
    background-image: 
        radial-gradient(at 0% 0%, rgba(0, 212, 255, 0.05) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(74, 127, 212, 0.05) 0px, transparent 50%);
}

/* ========================================
   NAVBAR - GLASSMORPHISM STYLE
   ======================================== */
[data-theme="dark"] .navbar-sigal {
    background: var(--glass-bg) !important;
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--glass-border);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .navbar-nav .nav-link {
    color: var(--text-primary) !important;
    position: relative;
    font-weight: 500;
}

[data-theme="dark"] .navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--accent-gradient);
    transform: translateX(-50%);
    transition: width 0.3s ease;
}

[data-theme="dark"] .navbar-nav .nav-link:hover {
    color: var(--accent-primary) !important;
    background: rgba(0, 212, 255, 0.08);
}

[data-theme="dark"] .navbar-nav .nav-link:hover::after {
    width: 80%;
}

/* Logo with Modern Background */
[data-theme="dark"] .sigal-logo {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.98) 100%);
    padding: 10px 16px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 212, 255, 0.2);
    transition: all 0.3s ease;
}

[data-theme="dark"] .sigal-logo:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(0, 212, 255, 0.3);
}

/* ========================================
   HERO SECTION - MODERN GRADIENT
   ======================================== */
[data-theme="dark"] .hero-section,
[data-theme="dark"] .hero-modern,
[data-theme="dark"] .hero-slider-container {
    background: linear-gradient(135deg, #0a0e27 0%, #151b3d 50%, #1a2142 100%);
    position: relative;
    overflow: hidden;
}

[data-theme="dark"] .hero-section::before,
[data-theme="dark"] .hero-modern::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.1) 0%, transparent 70%);
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.1); }
}

/* ========================================
   CARDS - GLASSMORPHISM DESIGN
   ======================================== */
[data-theme="dark"] .service-card,
[data-theme="dark"] .division-card,
[data-theme="dark"] .branch-card,
[data-theme="dark"] .vision-mission-card,
[data-theme="dark"] .card {
    background: var(--glass-bg) !important;
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--glass-border) !important;
    box-shadow: var(--shadow-md);
}

[data-theme="dark"] .service-card:hover,
[data-theme="dark"] .division-card:hover,
[data-theme="dark"] .branch-card:hover,
[data-theme="dark"] .vision-mission-card:hover {
    border-color: var(--border-color-hover) !important;
    box-shadow: var(--glow-cyan-lg);
    transform: translateY(-8px);
    background: var(--bg-elevated) !important;
}

/* Card Content */
[data-theme="dark"] .service-card h3,
[data-theme="dark"] .division-card h3,
[data-theme="dark"] .division-title,
[data-theme="dark"] .branch-name,
[data-theme="dark"] .vision-mission-card h3,
[data-theme="dark"] .card h3,
[data-theme="dark"] .card h4,
[data-theme="dark"] .card h5 {
    color: var(--text-primary) !important;
    font-weight: 600;
}

[data-theme="dark"] .service-card p,
[data-theme="dark"] .division-description,
[data-theme="dark"] .branch-details,
[data-theme="dark"] .vision-mission-card p,
[data-theme="dark"] .card p {
    color: var(--text-secondary) !important;
}

/* ========================================
   SECTIONS - MODERN BACKGROUNDS
   ======================================== */
[data-theme="dark"] .services-section,
[data-theme="dark"] .sigal-divisions-section,
[data-theme="dark"] .branches-section,
[data-theme="dark"] .branches-section-compact,
[data-theme="dark"] .branches-section-new,
[data-theme="dark"] .about-section {
    background: var(--bg-primary) !important;
}

[data-theme="dark"] .branches-section .section-title,
[data-theme="dark"] .branches-section-compact .section-title,
[data-theme="dark"] .branches-section-new .section-title,
[data-theme="dark"] .about-section .section-title {
    color: var(--text-primary) !important;
    text-shadow: 0 2px 10px rgba(0, 212, 255, 0.2);
}

[data-theme="dark"] .vision-mission-section,
[data-theme="dark"] .contact-section {
    background: var(--bg-secondary) !important;
}

/* Section Overlays */
[data-theme="dark"] .sigal-divisions-section::before {
    background: radial-gradient(circle at 50% 0%, rgba(0, 212, 255, 0.03) 0%, transparent 70%) !important;
}

/* ========================================
   SECTION TITLES
   ======================================== */
/* Light mode - ensure dark text */
.section-title,
.about-section .section-title,
.branches-section .section-title,
.services-section .section-title,
.sigal-divisions-section .section-title {
    color: #213e7b !important;
}

/* Dark mode - light text */
[data-theme="dark"] .section-title,
[data-theme="dark"] .about-section .section-title,
[data-theme="dark"] .branches-section .section-title,
[data-theme="dark"] .services-section .section-title,
[data-theme="dark"] .sigal-divisions-section .section-title,
[data-theme="dark"] h1,
[data-theme="dark"] h2 {
    color: var(--text-primary) !important;
    text-shadow: 0 2px 10px rgba(0, 212, 255, 0.1);
}

/* H3 headings in dark mode - dark blue for better readability */
[data-theme="dark"] h3 {
    color: #4a90e2 !important;
    font-weight: 600;
}

/* H4 and H5 headings in dark mode - better visibility */
[data-theme="dark"] h4,
[data-theme="dark"] h5 {
    color: #5ba3f5 !important;
    font-weight: 600;
}

/* Text muted in dark mode - lighter gray for better readability */
[data-theme="dark"] .text-muted {
    color: #9ca3af !important;
}

/* Time slots in dark mode - better visibility */
[data-theme="dark"] .time-slot {
    border-color: rgba(255, 255, 255, 0.2) !important;
    background: var(--bg-elevated) !important;
    color: var(--text-primary) !important;
}

[data-theme="dark"] .time-slot:hover {
    border-color: var(--accent-primary) !important;
    background: rgba(0, 212, 255, 0.15) !important;
}

[data-theme="dark"] .time-slot.selected {
    border-color: var(--accent-primary) !important;
    background: var(--accent-gradient) !important;
    color: white !important;
}

[data-theme="dark"] .time-slot i {
    color: var(--accent-primary) !important;
}

[data-theme="dark"] .time-slot.selected i {
    color: white !important;
}

[data-theme="dark"] .section-title::after {
    background: var(--accent-gradient) !important;
    box-shadow: var(--glow-cyan);
}

/* ========================================
   FORMS - MODERN INPUT DESIGN
   ======================================== */
[data-theme="dark"] .form-control,
[data-theme="dark"] .form-select,
[data-theme="dark"] input,
[data-theme="dark"] textarea,
[data-theme="dark"] select {
    background: var(--bg-elevated) !important;
    border: 1px solid var(--border-color) !important;
    color: var(--text-primary) !important;
}

[data-theme="dark"] .form-control:focus,
[data-theme="dark"] .form-select:focus,
[data-theme="dark"] input:focus,
[data-theme="dark"] textarea:focus {
    background: var(--bg-card) !important;
    border-color: var(--accent-primary) !important;
    box-shadow: var(--glow-cyan) !important;
    color: var(--text-primary) !important;
}

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

[data-theme="dark"] .contact-form {
    background: var(--glass-bg) !important;
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
}

/* ========================================
   BUTTONS - MODERN GRADIENT STYLE
   ======================================== */
[data-theme="dark"] .btn-sigal-primary,
[data-theme="dark"] .division-btn.primary {
    background: var(--accent-gradient) !important;
    border: none;
    box-shadow: var(--glow-cyan);
    color: white !important;
}

[data-theme="dark"] .btn-sigal-primary:hover,
[data-theme="dark"] .division-btn.primary:hover {
    box-shadow: var(--glow-cyan-lg);
    transform: translateY(-2px);
}

[data-theme="dark"] .division-btn {
    background: var(--bg-elevated) !important;
    color: var(--text-primary) !important;
    border: 1px solid var(--border-color) !important;
}

[data-theme="dark"] .division-btn:hover {
    background: var(--accent-gradient) !important;
    border-color: transparent !important;
    color: white !important;
}

/* ========================================
   ICONS & BADGES
   ======================================== */
[data-theme="dark"] .service-icon,
[data-theme="dark"] .division-icon,
[data-theme="dark"] .icon-wrapper {
    background: var(--accent-gradient) !important;
    box-shadow: var(--glow-cyan);
}

[data-theme="dark"] .feature-item i,
[data-theme="dark"] .detail-item i {
    color: var(--accent-primary) !important;
}

/* ========================================
   FOOTER - GLASSMORPHISM
   ======================================== */
[data-theme="dark"] .footer-modern {
    background: var(--glass-bg) !important;
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--glass-border);
}

[data-theme="dark"] .footer-content {
    background: transparent !important;
}

[data-theme="dark"] .footer-bottom-bar,
[data-theme="dark"] footer.footer-modern div[style*="border-top: 2px solid #00afdd"][style*="background: #ffffff"] {
    background: var(--glass-bg) !important;
    border-top-color: rgba(0, 212, 255, 0.35) !important;
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
}

[data-theme="dark"] footer.footer-modern div[style*="border-top: 2px solid #00afdd"][style*="background: #ffffff"] > span {
    color: var(--text-secondary) !important;
}

[data-theme="dark"] footer.footer-modern div[style*="border-top: 2px solid #00afdd"][style*="background: #ffffff"] a {
    color: var(--text-secondary) !important;
}

[data-theme="dark"] footer.footer-modern div[style*="border-top: 2px solid #00afdd"][style*="background: #ffffff"] a:hover {
    color: var(--accent-primary) !important;
}

/* Footer Logo */
[data-theme="dark"] .footer-logo-simple,
[data-theme="dark"] .footer-logo-center {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.98) 100%);
    padding: 12px 18px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 212, 255, 0.2);
}

/* Footer Text */
[data-theme="dark"] .footer-contact-info a,
[data-theme="dark"] .footer-bottom p,
[data-theme="dark"] .footer-bottom a {
    color: var(--text-secondary) !important;
}

[data-theme="dark"] .footer-contact-info a:hover,
[data-theme="dark"] .footer-bottom a:hover {
    color: var(--accent-primary) !important;
}

[data-theme="dark"] .footer-contact-info i {
    color: var(--accent-primary) !important;
}

/* Footer Social Icons */
[data-theme="dark"] .footer-social-simple .social-icon {
    background: var(--bg-elevated) !important;
    border: 1px solid var(--border-color);
    color: var(--text-primary) !important;
}

[data-theme="dark"] .footer-social-simple .social-icon:hover {
    background: var(--accent-gradient) !important;
    border-color: transparent;
    color: white !important;
    box-shadow: var(--glow-cyan);
}

/* ========================================
   DIVISIONS SECTION SPECIFIC
   ======================================== */
[data-theme="dark"] .division-card.featured {
    border: 2px solid var(--accent-primary) !important;
    box-shadow: var(--glow-cyan-lg);
}

[data-theme="dark"] .feature-item,
[data-theme="dark"] .stat-item {
    color: var(--text-secondary) !important;
}

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

[data-theme="dark"] .division-stats {
    border-color: var(--border-color) !important;
}

[data-theme="dark"] .why-sigal-box {
    background: var(--glass-bg) !important;
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border) !important;
}

[data-theme="dark"] .advantage-item {
    background: var(--bg-elevated) !important;
}

[data-theme="dark"] .advantage-item:hover {
    background: rgba(0, 212, 255, 0.1) !important;
    border-left: 3px solid var(--accent-primary);
}

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

/* ========================================
   BRANCHES SECTION
   ======================================== */
[data-theme="dark"] .branch-name .name-en {
    color: var(--text-muted) !important;
}

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

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

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

[data-theme="dark"] .branch-actions .btn {
    background: var(--bg-elevated) !important;
    color: var(--text-primary) !important;
    border: 1px solid var(--border-color) !important;
}

[data-theme="dark"] .branch-actions .btn:hover {
    background: var(--accent-gradient) !important;
    border-color: transparent !important;
    color: white !important;
}

/* ========================================
   SCROLL TO TOP BUTTON
   ======================================== */
[data-theme="dark"] .scroll-to-top {
    background: var(--accent-gradient) !important;
    box-shadow: var(--glow-cyan);
}

[data-theme="dark"] .scroll-to-top:hover {
    box-shadow: var(--glow-cyan-lg);
}

/* ========================================
   WHATSAPP BUTTON
   ======================================== */
[data-theme="dark"] .whatsapp-float {
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
}

/* ========================================
   MOBILE MENU
   ======================================== */
@media (max-width: 991px) {
    [data-theme="dark"] .navbar-collapse {
        background: var(--glass-bg) !important;
        backdrop-filter: blur(20px);
        border: 1px solid var(--glass-border);
        border-radius: 12px;
        margin-top: 10px;
    }
    
    [data-theme="dark"] .navbar-nav .nav-link {
        border-bottom: 1px solid var(--border-color);
    }
}

/* ========================================
   MODALS & DROPDOWNS
   ======================================== */
[data-theme="dark"] .modal-content {
    background: var(--bg-card) !important;
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .modal-header,
[data-theme="dark"] .modal-footer {
    border-color: var(--border-color) !important;
}

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

[data-theme="dark"] .dropdown-menu {
    background: var(--bg-card) !important;
    border: 1px solid var(--border-color);
    backdrop-filter: blur(20px);
}

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

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

/* ========================================
   TABLES
   ======================================== */
[data-theme="dark"] .table {
    --bs-table-bg: var(--bg-card);
    --bs-table-border-color: var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] .table-striped > tbody > tr:nth-of-type(odd) > * {
    --bs-table-bg-type: var(--bg-elevated);
}

/* ========================================
   COOKIE CONSENT
   ======================================== */
[data-theme="dark"] .cookie-consent {
    background: var(--glass-bg) !important;
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border) !important;
}

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

/* ========================================
   GENERAL TEXT & LINKS
   ======================================== */
[data-theme="dark"] p {
    color: var(--text-secondary) !important;
}

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

[data-theme="dark"] a:hover {
    color: var(--accent-secondary);
}

/* ========================================
   LOADING & ANIMATIONS
   ======================================== */
[data-theme="dark"] .loading {
    border-color: var(--border-color);
    border-top-color: var(--accent-primary);
}

/* ========================================
   ACCESSIBILITY
   ======================================== */
[data-theme="dark"] *:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}