/* ============================================================
   DOMINO PLATFORM 2026 — ULTRA-PREMIUM DESIGN SYSTEM v3.0
   Next-Gen Gaming UI · Dark Luxe · Neon Fusion
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Cairo:wght@300;400;600;700;800;900&family=Tajawal:wght@400;500;700;800;900&family=Inter:wght@300;400;500;600;700;800;900&family=Outfit:wght@300;400;600;700;800;900&display=swap');

:root {
    /* === CORE PALETTE === */
    --bg-void: #030509;
    --bg-primary: #070B14;
    --bg-surface: #0D1424;
    --bg-card: #131B2E;
    --bg-elevated: #1A2540;
    --bg-hover: #1F2D4A;

    /* === ACCENT SPECTRUM === */
    --color-primary: #6C5CE7;
    --color-primary-light: #A29BFE;
    --color-primary-dark: #4A3ABA;
    --color-primary-glow: rgba(108, 92, 231, 0.45);
    --color-primary-surface: rgba(108, 92, 231, 0.08);

    --color-secondary: #00CECE;
    --color-secondary-light: #45E6E6;
    --color-secondary-dark: #009E9E;
    --color-secondary-glow: rgba(0, 206, 206, 0.4);

    --color-success: #00F5A0;
    --color-success-dark: #00C07B;
    --color-success-glow: rgba(0, 245, 160, 0.35);

    --color-warning: #FFB800;
    --color-warning-glow: rgba(255, 184, 0, 0.35);

    --color-danger: #FF3860;
    --color-danger-glow: rgba(255, 56, 96, 0.35);

    --color-gold: #FFD700;
    --color-gold-bright: #FFE55C;
    --color-gold-dark: #B8960B;
    --color-gold-glow: rgba(255, 215, 0, 0.35);

    --color-cyan: #00F0FF;
    --color-purple: #A855F7;
    --color-pink: #FF006E;
    --color-emerald: #00FFB2;

    /* === TEXT HIERARCHY === */
    --text-primary: #F0F2F8;
    --text-secondary: #B4BDCE;
    --text-muted: #6B7A99;
    --text-disabled: #3D4C6B;
    --text-glow: rgba(255, 255, 255, 0.9);

    /* === GLASS SYSTEM === */
    --glass-bg: rgba(13, 20, 36, 0.65);
    --glass-bg-heavy: rgba(7, 11, 20, 0.85);
    --glass-bg-light: rgba(26, 37, 64, 0.5);
    --glass-border: rgba(108, 92, 231, 0.12);
    --glass-border-light: rgba(108, 92, 231, 0.25);
    --glass-border-hover: rgba(108, 92, 231, 0.4);
    --glass-highlight: rgba(255, 255, 255, 0.04);
    --glass-highlight-strong: rgba(255, 255, 255, 0.08);
    --glass-blur: blur(24px) saturate(1.6);
    --glass-blur-light: blur(12px) saturate(1.2);

    /* === TYPOGRAPHY === */
    --font-ar: 'Cairo', 'Tajawal', sans-serif;
    --font-en: 'Inter', 'Outfit', sans-serif;

    /* === SPACING SCALE === */
    --space-2xs: 2px;
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 12px;
    --space-lg: 16px;
    --space-xl: 24px;
    --space-2xl: 32px;
    --space-3xl: 48px;
    --space-4xl: 64px;

    /* === BORDER RADIUS === */
    --radius-xs: 6px;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-2xl: 24px;
    --radius-3xl: 32px;
    --radius-full: 9999px;

    /* === SHADOWS === */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.6);
    --shadow-xl: 0 16px 64px rgba(0, 0, 0, 0.7);
    --shadow-inner: inset 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-glow-primary: 0 0 25px var(--color-primary-glow), 0 0 60px rgba(108, 92, 231, 0.1);
    --shadow-glow-secondary: 0 0 25px var(--color-secondary-glow);
    --shadow-glow-success: 0 0 25px var(--color-success-glow);
    --shadow-glow-gold: 0 0 25px var(--color-gold-glow);
    --shadow-glow-danger: 0 0 25px var(--color-danger-glow);

    /* === TRANSITIONS === */
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-bounce: cubic-bezier(0.175, 0.885, 0.32, 1.275);
    --duration-instant: 100ms;
    --duration-fast: 150ms;
    --duration-normal: 250ms;
    --duration-slow: 400ms;
    --duration-slower: 600ms;

    /* === GAME SPECIFIC === */
    --tile-bone: radial-gradient(circle at 35% 35%, #FFFDF9 0%, #F4F0DF 70%, #DFD9C4 100%);
    --tile-pip: #1C1C1C;
    --felt-green: radial-gradient(circle at center, #0F4E37 0%, #03120D 100%);

    /* === SAFE AREAS === */
    --safe-top: env(safe-area-inset-top, 0px);
    --safe-bottom: env(safe-area-inset-bottom, 0px);
    --safe-left: env(safe-area-inset-left, 0px);
    --safe-right: env(safe-area-inset-right, 0px);

    /* === NEON SYSTEM === */
    --neon-purple: 0 0 12px rgba(108, 92, 231, 0.5), 0 0 40px rgba(108, 92, 231, 0.15);
    --neon-cyan: 0 0 12px rgba(0, 240, 255, 0.5), 0 0 40px rgba(0, 240, 255, 0.15);
    --neon-green: 0 0 12px rgba(0, 245, 160, 0.5), 0 0 40px rgba(0, 245, 160, 0.15);
    --neon-gold: 0 0 12px rgba(255, 215, 0, 0.5), 0 0 40px rgba(255, 215, 0, 0.15);
    --neon-pink: 0 0 12px rgba(255, 0, 110, 0.5), 0 0 40px rgba(255, 0, 110, 0.15);
}

/* === RESET & BASE === */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    -webkit-tap-highlight-color: transparent;
}

html {
    height: 100%;
    height: -webkit-fill-available;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-ar);
    background: var(--bg-void);
    color: var(--text-primary);
    direction: rtl;
    min-height: 100vh;
    min-height: -webkit-fill-available;
    overflow: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    user-select: none;
    text-rendering: optimizeLegibility;
}

/* === SCROLLBAR STYLING === */
::-webkit-scrollbar { width: 3px; height: 3px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover { background: var(--color-primary-light); }

/* === UTILITY CLASSES === */
.text-gold { color: var(--color-gold); }
.text-success { color: var(--color-success); }
.text-danger { color: var(--color-danger); }
.text-primary { color: var(--color-primary); }
.text-muted { color: var(--text-muted); }
.text-glow { text-shadow: 0 0 10px currentColor; }

/* === GLASSMORPHISM COMPONENTS === */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg), inset 0 1px 0 var(--glass-highlight);
    position: relative;
}

.glass-panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(108, 92, 231, 0.3), transparent);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    pointer-events: none;
}

/* === PREMIUM BUTTONS === */
.glass-btn {
    background: var(--glass-bg-heavy);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    padding: 13px 24px;
    border-radius: var(--radius-md);
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    font-family: var(--font-ar);
    transition: all var(--duration-normal) var(--ease-smooth);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(8px);
    outline: none;
}

/* Ripple light effect */
.glass-btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at var(--x, 50%) var(--y, 50%), rgba(108, 92, 231, 0.2) 0%, transparent 60%);
    opacity: 0;
    transition: opacity 0.4s;
    pointer-events: none;
}

.glass-btn:hover::after { opacity: 1; }

.glass-btn:hover:not(:disabled) {
    background: var(--bg-elevated);
    border-color: var(--glass-border-hover);
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow-primary);
}

.glass-btn:active:not(:disabled) {
    transform: translateY(1px) scale(0.97);
    transition-duration: var(--duration-instant);
}

.glass-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
    filter: grayscale(0.5);
}

/* Primary CTA */
.glass-btn.primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: #FFF;
    border: 1px solid rgba(162, 155, 254, 0.5);
    box-shadow: 0 4px 24px var(--color-primary-glow), inset 0 1px 0 rgba(255,255,255,0.15);
    text-shadow: 0 1px 3px rgba(0,0,0,0.4);
}

.glass-btn.primary:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
    box-shadow: 0 8px 40px var(--color-primary-glow), inset 0 1px 0 rgba(255,255,255,0.2);
    transform: translateY(-3px) scale(1.02);
}

/* Success */
.glass-btn.success {
    background: linear-gradient(135deg, var(--color-success) 0%, var(--color-success-dark) 100%);
    color: #000;
    border-color: rgba(0, 245, 160, 0.5);
    box-shadow: 0 4px 24px var(--color-success-glow);
    text-shadow: none;
    font-weight: 800;
}

/* Danger */
.glass-btn.danger {
    background: rgba(255, 56, 96, 0.12);
    color: var(--color-danger);
    border-color: rgba(255, 56, 96, 0.3);
}

.glass-btn.danger:hover:not(:disabled) {
    background: var(--color-danger);
    color: #FFF;
    box-shadow: var(--shadow-glow-danger);
}

/* === INPUT FIELDS === */
.glass-input {
    background: rgba(0, 0, 0, 0.35);
    border: 1.5px solid var(--glass-border);
    color: var(--text-primary);
    padding: 13px 18px;
    border-radius: var(--radius-md);
    font-size: 16px;
    outline: none;
    width: 100%;
    text-align: center;
    font-family: var(--font-ar);
    transition: border-color var(--duration-normal) var(--ease-smooth),
                box-shadow var(--duration-normal) var(--ease-smooth),
                background var(--duration-normal) var(--ease-smooth);
}

.glass-input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(108, 92, 231, 0.12), var(--neon-purple);
    background: rgba(0, 0, 0, 0.45);
}

.glass-input::placeholder {
    color: var(--text-disabled);
}

/* === BADGE COMPONENT === */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 11px;
    font-weight: 700;
    white-space: nowrap;
    letter-spacing: 0.3px;
}

.badge-primary { background: var(--color-primary-surface); color: var(--color-primary-light); border: 1px solid rgba(108, 92, 231, 0.2); }
.badge-success { background: rgba(0, 245, 160, 0.1); color: var(--color-success); border: 1px solid rgba(0, 245, 160, 0.15); }
.badge-warning { background: rgba(255, 184, 0, 0.1); color: var(--color-warning); border: 1px solid rgba(255, 184, 0, 0.15); }
.badge-danger { background: rgba(255, 56, 96, 0.1); color: var(--color-danger); border: 1px solid rgba(255, 56, 96, 0.15); }
.badge-gold { background: rgba(255, 215, 0, 0.1); color: var(--color-gold); border: 1px solid rgba(255, 215, 0, 0.15); }

/* === CARD COMPONENT === */
.card {
    background: var(--bg-surface);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    transition: all var(--duration-normal) var(--ease-smooth);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(108, 92, 231, 0.2), transparent);
    pointer-events: none;
}

.card:hover {
    border-color: var(--glass-border-light);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md), 0 0 20px rgba(108, 92, 231, 0.05);
}

/* === AVATAR COMPONENT === */
.avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 16px;
    color: #FFF;
    flex-shrink: 0;
    position: relative;
    box-shadow: 0 4px 12px rgba(108, 92, 231, 0.3);
}

.avatar-sm { width: 32px; height: 32px; font-size: 12px; }
.avatar-lg { width: 56px; height: 56px; font-size: 20px; }
.avatar-xl { width: 72px; height: 72px; font-size: 28px; }

.avatar .online-dot {
    position: absolute;
    bottom: 1px;
    right: 1px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--color-success);
    border: 2px solid var(--bg-primary);
    box-shadow: 0 0 6px var(--color-success-glow);
}

/* === TOAST NOTIFICATIONS === */
.toast-msg {
    position: fixed;
    bottom: 100px;
    left: 50%;
    transform: translate(-50%, 20px);
    background: var(--glass-bg-heavy);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border-light);
    color: var(--text-primary);
    padding: 12px 24px;
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 700;
    z-index: 10000;
    opacity: 0;
    pointer-events: none;
    transition: all var(--duration-slow) var(--ease-spring);
    box-shadow: var(--shadow-lg), var(--neon-purple);
    white-space: nowrap;
}

.toast-msg.show {
    opacity: 1;
    transform: translate(-50%, 0);
}

/* === KEYFRAME ANIMATIONS === */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInScale {
    from { opacity: 0; transform: scale(0.92); }
    to { opacity: 1; transform: scale(1); }
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(40px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-12px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes floatingLogo {
    0%, 100% { transform: rotateX(25deg) rotateY(-20deg) translateY(0); }
    50% { transform: rotateX(25deg) rotateY(-20deg) translateY(-10px); }
}

@keyframes shimmer {
    0% { background-position: -200% center; }
    100% { background-position: 200% center; }
}

@keyframes glow-pulse {
    0%, 100% { box-shadow: 0 0 8px var(--color-primary-glow); }
    50% { box-shadow: 0 0 24px var(--color-primary-glow), 0 0 50px rgba(108, 92, 231, 0.1); }
}

@keyframes neonBreath {
    0%, 100% { opacity: 0.6; filter: brightness(1); }
    50% { opacity: 1; filter: brightness(1.2); }
}

@keyframes borderGradient {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

@keyframes floatUp {
    0% { transform: translateY(0) scale(1); opacity: 1; }
    100% { transform: translateY(-30px) scale(0.8); opacity: 0; }
}

@keyframes rippleOut {
    0% { transform: scale(0.5); opacity: 0.6; }
    100% { transform: scale(2.5); opacity: 0; }
}

/* === LOADING SKELETON === */
.skeleton {
    background: linear-gradient(
        90deg,
        var(--bg-card) 25%,
        var(--bg-elevated) 37%,
        var(--bg-card) 63%
    );
    background-size: 400% 100%;
    animation: shimmer 1.8s infinite ease-in-out;
    border-radius: var(--radius-sm);
}

.skeleton-text {
    height: 14px;
    width: 80%;
    margin-bottom: 8px;
}

.skeleton-circle {
    border-radius: 50%;
}

.skeleton-card {
    min-height: 120px;
    border-radius: var(--radius-lg);
}

/* === SCREEN SHAKE === */
.shake-effect {
    animation: screenShake 0.4s ease-out;
}

@keyframes screenShake {
    0% { transform: translate(0, 0); }
    10% { transform: translate(-4px, 3px); }
    30% { transform: translate(4px, -3px); }
    50% { transform: translate(-3px, -2px); }
    70% { transform: translate(2px, 3px); }
    100% { transform: translate(0, 0); }
}

/* === PARTICLE BURST UTILITY === */
.particle-burst {
    position: absolute;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    pointer-events: none;
    animation: particleBurst 0.8s ease-out forwards;
}

@keyframes particleBurst {
    0% { transform: translate(0, 0) scale(1); opacity: 1; }
    100% { transform: translate(var(--dx, 30px), var(--dy, -30px)) scale(0); opacity: 0; }
}