/* =====================================================
   DESIGN SYSTEM — Fun Interactive Game
   "Let's Get To Know Each Other" 😄
   ===================================================== */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Cairo:wght@300;400;500;600;700;800;900&family=Outfit:wght@400;600;800&display=swap');

/* =====================================================
   CSS VARIABLES (Design Tokens)
   ===================================================== */
:root {
    /* Colors — Dark Mode Base */
    --bg-primary: #0a0015;
    --bg-secondary: #12002a;
    --bg-card: rgba(255, 255, 255, 0.05);
    --bg-card-hover: rgba(255, 255, 255, 0.1);
    --bg-glass: rgba(255, 255, 255, 0.08);
    --bg-glass-strong: rgba(255, 255, 255, 0.15);

    /* Accent Colors */
    --pink: #ff2d75;
    --pink-glow: rgba(255, 45, 117, 0.4);
    --cyan: #00d4ff;
    --cyan-glow: rgba(0, 212, 255, 0.4);
    --gold: #ffd700;
    --gold-glow: rgba(255, 215, 0, 0.4);
    --green: #00ff88;
    --green-glow: rgba(0, 255, 136, 0.4);
    --red: #ff4444;
    --red-glow: rgba(255, 68, 68, 0.4);
    --purple: #a855f7;
    --purple-glow: rgba(168, 85, 247, 0.4);
    --orange: #f97316;

    /* Text */
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-tertiary: rgba(255, 255, 255, 0.45);
    --text-accent: var(--pink);

    /* Typography (Arabic Cairo + Outfit) */
    --font-heading: 'Cairo', 'Outfit', sans-serif;
    --font-body: 'Cairo', sans-serif;

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

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-glow-pink: 0 0 20px var(--pink-glow), 0 0 60px var(--pink-glow);
    --shadow-glow-cyan: 0 0 20px var(--cyan-glow), 0 0 60px var(--cyan-glow);
    --shadow-glow-gold: 0 0 20px var(--gold-glow), 0 0 60px var(--gold-glow);

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    --transition-spring: 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);

    /* Z-index layers */
    --z-base: 1;
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-overlay: 300;
    --z-modal: 400;
    --z-toast: 500;
    --z-cursor: 600;
    --z-max: 9999;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.6;
    direction: rtl;
    text-align: right;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: var(--cyan);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--pink);
}

img {
    max-width: 100%;
    display: block;
}

button {
    cursor: pointer;
    font-family: var(--font-body);
    border: none;
    outline: none;
}

input, textarea, select {
    font-family: var(--font-body);
    outline: none;
}

/* =====================================================
   TYPOGRAPHY
   ===================================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }
h4 { font-size: clamp(1rem, 2.5vw, 1.25rem); }

.text-gradient {
    background: linear-gradient(135deg, var(--pink), var(--purple), var(--cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-glow {
    text-shadow: 0 0 20px var(--pink-glow), 0 0 40px var(--pink-glow);
}

/* =====================================================
   GLASSMORPHISM CARD
   ===================================================== */
.glass-card {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    transition: all var(--transition-normal);
}

.glass-card:hover {
    background: var(--bg-glass-strong);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* =====================================================
   BUTTONS
   ===================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 14px 32px;
    border-radius: var(--radius-full);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    text-transform: none;
    letter-spacing: 0.02em;
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    opacity: 0;
    transition: opacity var(--transition-normal);
    background: linear-gradient(135deg, rgba(255,255,255,0.2), transparent);
}

.btn:hover::before {
    opacity: 1;
}

.btn-primary {
    background: linear-gradient(135deg, var(--pink), #ff6b9d);
    color: white;
    box-shadow: 0 4px 20px var(--pink-glow);
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.03);
    box-shadow: var(--shadow-glow-pink);
}

.btn-primary:active {
    transform: translateY(0) scale(0.98);
}

.btn-secondary {
    background: var(--bg-glass);
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: var(--bg-glass-strong);
    border-color: var(--cyan);
    box-shadow: 0 4px 20px var(--cyan-glow);
    transform: translateY(-2px);
}

.btn-gold {
    background: linear-gradient(135deg, var(--gold), #ffaa00);
    color: #1a0030;
    box-shadow: 0 4px 20px var(--gold-glow);
}

.btn-gold:hover {
    transform: translateY(-3px) scale(1.03);
    box-shadow: var(--shadow-glow-gold);
}

.btn-lg {
    padding: 18px 48px;
    font-size: 1.2rem;
}

.btn-sm {
    padding: 8px 20px;
    font-size: 0.875rem;
}

.btn-icon {
    width: 48px;
    height: 48px;
    padding: 0;
    border-radius: 50%;
    font-size: 1.25rem;
}

/* Choice button (game) */
.btn-choice {
    display: block;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    padding: 14px 20px;
    background: var(--bg-glass);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1.05rem;
    font-weight: 500;
    text-align: right;
    backdrop-filter: blur(10px);
    transition: all var(--transition-normal);
    cursor: pointer;
    position: relative;
    overflow: visible;
    user-select: none;
    line-height: 1.4;
    word-break: break-word;
    overflow-wrap: break-word;
    white-space: normal;
}

.btn-choice:hover {
    background: rgba(255, 45, 117, 0.15);
    border-color: var(--pink);
    transform: translateY(-2px) scale(1.008);
    box-shadow: 0 0 20px var(--pink-glow);
}

.btn-choice.selected {
    background: linear-gradient(135deg, rgba(255, 45, 117, 0.2), rgba(168, 85, 247, 0.2));
    border-color: var(--pink);
    box-shadow: var(--shadow-glow-pink);
}

.btn-choice.correct {
    background: rgba(0, 255, 136, 0.15);
    border-color: var(--green);
    box-shadow: 0 0 20px var(--green-glow);
}

/* Runaway button specific */
.btn-choice.runaway {
    transition: none;
    will-change: transform, left, top;
    z-index: var(--z-overlay);
}

.btn-choice.runaway.caught {
    animation: buttonCaught 0.5s ease;
}

.btn-choice .taunt-bubble {
    position: absolute;
    top: -35px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--pink);
    color: white;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    white-space: nowrap;
    opacity: 0;
    transition: opacity var(--transition-fast);
    pointer-events: none;
}

.btn-choice .taunt-bubble::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 50%;
    transform: translateX(-50%);
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-top: 6px solid var(--pink);
}

.btn-choice.taunting .taunt-bubble {
    opacity: 1;
    animation: tauntPop 0.3s var(--transition-spring);
}

/* =====================================================
   FORM INPUTS
   ===================================================== */
.input {
    width: 100%;
    padding: 14px 20px;
    background: var(--bg-glass);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1rem;
    transition: all var(--transition-normal);
    backdrop-filter: blur(10px);
}

.input:focus {
    border-color: var(--pink);
    box-shadow: 0 0 20px var(--pink-glow);
    background: var(--bg-glass-strong);
}

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

/* =====================================================
   PROGRESS BAR
   ===================================================== */
.progress-bar {
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    overflow: hidden;
    position: relative;
}

.progress-bar__fill {
    height: 100%;
    background: linear-gradient(90deg, var(--pink), var(--purple), var(--cyan));
    border-radius: var(--radius-full);
    transition: width 0.6s cubic-bezier(0.22, 1, 0.36, 1);
    position: relative;
}

.progress-bar__fill::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    animation: shimmer 2s infinite;
}

/* =====================================================
   BADGES & PILLS
   ===================================================== */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    font-family: var(--font-heading);
}

.badge-pink {
    background: rgba(255, 45, 117, 0.2);
    color: var(--pink);
    border: 1px solid rgba(255, 45, 117, 0.3);
}

.badge-gold {
    background: rgba(255, 215, 0, 0.2);
    color: var(--gold);
    border: 1px solid rgba(255, 215, 0, 0.3);
}

.badge-green {
    background: rgba(0, 255, 136, 0.2);
    color: var(--green);
    border: 1px solid rgba(0, 255, 136, 0.3);
}

.badge-cyan {
    background: rgba(0, 212, 255, 0.2);
    color: var(--cyan);
    border: 1px solid rgba(0, 212, 255, 0.3);
}

/* =====================================================
   TOAST / NOTIFICATION
   ===================================================== */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    pointer-events: none;
}

.toast {
    background: var(--bg-glass-strong);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-md);
    padding: var(--space-md) var(--space-lg);
    color: var(--text-primary);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    animation: slideInRight 0.4s var(--transition-spring);
    pointer-events: auto;
    max-width: 350px;
    box-shadow: var(--shadow-lg);
}

.toast.achievement {
    border-color: var(--gold);
    box-shadow: 0 0 30px var(--gold-glow);
}

.toast.removing {
    animation: slideOutRight 0.3s ease forwards;
}

/* =====================================================
   MODAL
   ===================================================== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    z-index: var(--z-modal);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
    animation: fadeIn 0.3s ease;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--bg-secondary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    max-width: 500px;
    width: 100%;
    animation: zoomIn 0.4s var(--transition-spring);
    position: relative;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-close {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: var(--text-secondary);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: 1.2rem;
}

.modal-close:hover {
    background: rgba(255, 68, 68, 0.3);
    color: var(--red);
}

/* =====================================================
   SCORE / STAT DISPLAY
   ===================================================== */
.stat-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-md);
}

.stat-card__value {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--pink), var(--cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-card__label {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* =====================================================
   SCROLLBAR
   ===================================================== */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.02);
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.25);
}

/* =====================================================
   UTILITIES
   ===================================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-center { align-items: center; justify-content: center; }
.flex-between { justify-content: space-between; }
.flex-wrap { flex-wrap: wrap; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }

.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }

.hidden { display: none !important; }
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    border: 0;
}

/* =====================================================
   RESPONSIVE
   ===================================================== */
@media (max-width: 768px) {
    .glass-card {
        padding: var(--space-lg);
    }
    .btn-lg {
        padding: 14px 36px;
        font-size: 1.05rem;
    }
    .container {
        padding: 0 var(--space-md);
    }
}

@media (max-width: 480px) {
    .glass-card {
        padding: var(--space-md);
        border-radius: var(--radius-md);
    }
    .btn {
        padding: 12px 24px;
        font-size: 0.9rem;
    }
}

/* =====================================================
   REDUCED MOTION
   ===================================================== */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}