/* 
 * YallaTonight Premium UI Additions
 * Includes OLED Dark Mode tweaks, glassmorphism, scrollbars, and animations.
 */

/* 1. OLED Dark Mode Core Tuning */
:root {
    --bg-main: #05050A; /* Deep OLED Blue-Black */
    --surface: #12121A; /* Slightly lighter surface */
    --surface-hover: #1A1A24;
    --border: rgba(255, 255, 255, 0.08);
    --glass-border: rgba(124, 58, 237, 0.15);
}

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
}

/* 2. Premium Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-main);
}
::-webkit-scrollbar-thumb {
    background: rgba(124, 58, 237, 0.3);
    border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(124, 58, 237, 0.6);
}

/* 3. Fade-in Animations */
.premium-fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.premium-fade-in-visible {
    opacity: 1;
    transform: translateY(0);
}

/* 4. Dynamic Navbar Glassmorphism */
.site-navbar {
    transition: background 0.4s ease, backdrop-filter 0.4s ease, border-bottom 0.4s ease, box-shadow 0.4s ease;
    border-bottom: 1px solid transparent;
}
.site-navbar.scrolled,
.site-navbar.navbar-scrolled {
    background: rgba(5, 5, 10, 0.75) !important;
    backdrop-filter: blur(20px) saturate(180%) !important;
    -webkit-backdrop-filter: blur(20px) saturate(180%) !important;
    border-bottom: 1px solid var(--border) !important;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5) !important;
}

/* 5. Scroll-To-Top Magic Button */
.premium-scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: var(--surface);
    border: 1px solid var(--glass-border);
    color: var(--gold);
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px) scale(0.9);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 999;
    box-shadow: 0 5px 20px rgba(0,0,0,0.5);
}
.premium-scroll-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}
.premium-scroll-top:hover {
    background: rgba(124, 58, 237, 0.1);
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 10px 25px rgba(124, 58, 237, 0.3);
}

/* 6. Premium Toasts */
.premium-toast-container {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 9999;
    pointer-events: none;
}
.premium-toast {
    background: rgba(18, 18, 26, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 14px 20px;
    color: #fff;
    font-family: var(--font-body);
    font-size: 0.95rem;
    display: flex;
    flex-direction: column;
    gap: 8px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.6);
    opacity: 0;
    transform: translateY(20px) scale(0.95);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    overflow: hidden;
    position: relative;
    min-width: 300px;
}
.premium-toast.show {
    opacity: 1;
    transform: translateY(0) scale(1);
}
.premium-toast .toast-content {
    display: flex;
    align-items: center;
    gap: 12px;
}
.toast-success { border-color: rgba(16, 185, 129, 0.4); }
.toast-success i { color: #10b981; font-size: 1.2rem; }
.toast-error { border-color: rgba(239, 68, 68, 0.4); }
.toast-error i { color: #ef4444; font-size: 1.2rem; }
.toast-progress {
    height: 3px;
    width: 100%;
    background: var(--border);
    border-radius: 2px;
    overflow: hidden;
}
.toast-progress::after {
    content: '';
    display: block;
    height: 100%;
    width: 100%;
    background: var(--gold);
    animation: toastProgress 3s linear forwards;
    transform-origin: left;
}
@keyframes toastProgress {
    from { transform: scaleX(1); }
    to { transform: scaleX(0); }
}

/* 7. RTL Typography Precision */
html[dir="rtl"] body {
    letter-spacing: 0px !important; /* Arabic shouldn't have letter-spacing */
    line-height: 1.8;
}
html[dir="rtl"] h1, html[dir="rtl"] h2, html[dir="rtl"] h3 {
    line-height: 1.5;
}

/* 8. Floating Labels (Forms) */
.form-group.floating-group {
    position: relative;
    margin-bottom: 24px;
}
.floating-group label {
    position: absolute;
    left: 16px;
    top: 14px;
    font-size: 0.95rem;
    color: var(--text-muted);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    pointer-events: none;
    background: var(--surface);
    padding: 0 4px;
    border-radius: 4px;
}
html[dir="rtl"] .floating-group label {
    left: auto;
    right: 16px;
}
.floating-group.is-focused label,
.floating-group.is-filled label {
    top: -10px;
    font-size: 0.75rem;
    color: var(--gold);
}
.floating-group .form-control {
    background: var(--surface);
}

/* 9. Hover Reveals for Event Cards */
.event-card {
    position: relative;
    overflow: hidden;
}
.event-card::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; width: 100%; height: 50%;
    background: linear-gradient(to top, rgba(124, 58, 237, 0.15), transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}
.event-card:hover::after {
    opacity: 1;
}

/* 10. Shimmering Text Effect for VIP */
.shimmer-text {
    background: linear-gradient(90deg, var(--gold) 0%, #fff 50%, var(--gold) 100%);
    background-size: 200% auto;
    color: transparent;
    -webkit-background-clip: text;
    background-clip: text;
    animation: shimmer 3s linear infinite;
}
@keyframes shimmer {
    to { background-position: 200% center; }
}

/* 11. Mobile Bottom Action Bar */
.mobile-bottom-bar {
    display: none;
    position: fixed;
    bottom: 0; left: 0; width: 100%;
    background: rgba(18, 18, 26, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid var(--border);
    z-index: 1000;
    padding-bottom: env(safe-area-inset-bottom);
}
.mobile-bottom-bar-inner {
    display: flex;
    justify-content: space-around;
    align-items: center;
    height: 65px;
}
.mobile-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.65rem;
    transition: all 0.3s;
    flex: 1;
}
.mobile-nav-item i {
    font-size: 1.2rem;
    transition: transform 0.3s;
}
.mobile-nav-item:hover, .mobile-nav-item.active {
    color: var(--gold);
}
.mobile-nav-item:hover i {
    transform: translateY(-3px);
}
@media (max-width: 768px) {
    .mobile-bottom-bar { display: block; }
    body { padding-bottom: 80px; } /* Prevent footer overlap */
    .premium-scroll-top { bottom: 90px; } /* Move scroll-to-top above nav */
}

/* 12. Premium Custom Language Dropdown */
.premium-lang-dropdown {
    position: relative;
}
.lang-toggle-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 8px 16px;
    border-radius: 20px;
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
}
.lang-toggle-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--gold);
}
.lang-dropdown-menu {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    background: rgba(18, 18, 26, 0.95);
    backdrop-filter: blur(15px);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 8px;
    min-width: 140px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.lang-dropdown-menu.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.lang-dropdown-menu a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    color: var(--text-muted);
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.2s;
    font-size: 0.9rem;
}
.premium-lang-dropdown .lang-dropdown-menu a:hover,
.premium-lang-dropdown .lang-dropdown-menu a.active {
    background: rgba(124, 58, 237, 0.1) !important;
    color: var(--gold) !important;
}
html[dir="rtl"] .lang-dropdown-menu {
    right: auto;
    left: 0;
}
.premium-lang-dropdown.mobile-version {
    display: flex;
    flex-direction: column;
    align-items: center;
}
.premium-lang-dropdown.mobile-version .lang-toggle-btn {
    font-size: 1.1rem;
    padding: 10px 20px;
}
.premium-lang-dropdown.mobile-version .lang-dropdown-menu {
    position: relative;
    top: 5px;
    right: auto;
    left: auto;
    box-shadow: none;
    background: rgba(255, 255, 255, 0.05);
    display: none;
    width: 100%;
}
.premium-lang-dropdown.mobile-version .lang-dropdown-menu.show {
    display: flex;
    flex-direction: column;
}

/* 13. RTL Icon Reversals */
html[dir="rtl"] .fa-arrow-right,
html[dir="rtl"] .fa-chevron-right,
html[dir="rtl"] .fa-arrow-left,
html[dir="rtl"] .fa-chevron-left {
    transform: scaleX(-1);
    display: inline-block;
}

/* 14. iOS Safari Form Resets & Premium Styles */
select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23d4af37'%3E%3Cpath d='M7 10l5 5 5-5H7z'/%3E%3C/svg%3E") !important;
    background-repeat: no-repeat !important;
    background-position: right 14px center !important;
    background-size: 18px !important;
    padding-right: 36px !important;
}
html[dir="rtl"] select {
    background-position: left 14px center !important;
    padding-right: 18px !important;
    padding-left: 36px !important;
}
input[type="date"] {
    position: relative;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    min-height: 48px;
}
input[type="date"]::-webkit-calendar-picker-indicator {
    filter: invert(74%) sepia(35%) saturate(836%) hue-rotate(5deg) brightness(92%) contrast(88%) !important;
    cursor: pointer;
}