/**
 * Squares For Sports - Modern Gaming Theme CSS
 * Enhanced interactive styling with gaming aesthetics
 */

/* ===== CSS Variables ===== */
:root {
    /* Color Palette - Gaming Inspired */
    --primary: #6C5CE7;
    --secondary: #00D2D3;
    --accent: #FF6B6B;
    --success: #00B894;
    --warning: #FDCB6E;
    --danger: #E74C3C;
    --dark: #2C3E50;
    --light: #FAFAFA;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #00D2D3 0%, #55A3FF 100%);
    --gradient-success: linear-gradient(135deg, #00B894 0%, #00CECE 100%);
    --gradient-danger: linear-gradient(135deg, #E74C3C 0%, #C0392B 100%);
    --gradient-dark: linear-gradient(135deg, #1E272E 0%, #485460 100%);
    --gradient-gaming: linear-gradient(135deg, #FC466B 0%, #3F5EFB 100%);
    --gradient-neon: linear-gradient(135deg, #00F260 0%, #0575E6 100%);

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 8px rgba(0,0,0,0.15);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.2);
    --shadow-xl: 0 20px 40px rgba(0,0,0,0.25);
    --shadow-neon: 0 0 30px rgba(108, 92, 231, 0.5);
    --shadow-gaming: 0 10px 40px rgba(108, 92, 231, 0.3);

    /* Typography */
    --font-primary: 'Poppins', 'Segoe UI', system-ui, sans-serif;
    --font-gaming: 'Orbitron', 'Rajdhani', monospace;
    --font-display: 'Bebas Neue', 'Anton', sans-serif;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

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

    /* Transitions */
    --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* Dark Mode Variables */
[data-theme="dark"] {
    --primary: #818CF8;
    --secondary: #22D3EE;
    --light: #1E293B;
    --dark: #F1F5F9;
    --gradient-dark: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
}

/* ===== Base Styles ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--dark);
    background: var(--light);
    overflow-x: hidden;
    transition: var(--transition-base);
}

/* Gaming Background Pattern */
.gaming-bg {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        linear-gradient(135deg, rgba(108, 92, 231, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%),
        repeating-linear-gradient(
            45deg,
            transparent,
            transparent 10px,
            rgba(108, 92, 231, 0.03) 10px,
            rgba(108, 92, 231, 0.03) 20px
        );
    pointer-events: none;
    z-index: -1;
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-md);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 2rem); }
h4 { font-size: clamp(1.125rem, 2.5vw, 1.5rem); }
h5 { font-size: clamp(1rem, 2vw, 1.25rem); }
h6 { font-size: clamp(0.875rem, 1.5vw, 1rem); }

.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-gaming {
    font-family: var(--font-gaming);
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* ===== Animations ===== */
@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    33% { transform: translateY(-10px) rotate(-1deg); }
    66% { transform: translateY(10px) rotate(1deg); }
}

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 20px rgba(108, 92, 231, 0.5); }
    50% { box-shadow: 0 0 40px rgba(108, 92, 231, 0.8); }
}

@keyframes slide-up {
    from { transform: translateY(30px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

@keyframes rotate-3d {
    0% { transform: perspective(400px) rotateY(0); }
    100% { transform: perspective(400px) rotateY(360deg); }
}

@keyframes neon-flicker {
    0%, 100% { opacity: 1; }
    41.99% { opacity: 1; }
    42% { opacity: 0; }
    43% { opacity: 0; }
    43.01% { opacity: 1; }
    47.99% { opacity: 1; }
    48% { opacity: 0; }
    49% { opacity: 1; }
}

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

/* ===== Buttons ===== */
.btn-gaming {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-family: var(--font-gaming);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: var(--radius-md);
    border: 2px solid transparent;
    transition: var(--transition-spring);
    position: relative;
    overflow: hidden;
    cursor: pointer;
    min-height: 48px;
}

.btn-gaming::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-gaming:hover::before {
    width: 300px;
    height: 300px;
}

.btn-gaming-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-gaming-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: var(--shadow-gaming);
}

.btn-gaming-secondary {
    background: var(--gradient-secondary);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-gaming-neon {
    background: var(--gradient-neon);
    color: white;
    box-shadow: var(--shadow-neon);
    animation: pulse-glow 2s infinite;
}

.btn-gaming-outline {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}

.btn-gaming-outline:hover {
    background: var(--primary);
    color: white;
    transform: scale(1.05);
}

/* 3D Button Effect */
.btn-3d {
    background: var(--gradient-primary);
    color: white;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-md);
    position: relative;
    transform-style: preserve-3d;
    transition: var(--transition-base);
    box-shadow:
        0 10px 0 -5px rgba(0,0,0,0.2),
        0 20px 20px -10px rgba(0,0,0,0.3);
}

.btn-3d:active {
    transform: translateY(5px);
    box-shadow:
        0 5px 0 -5px rgba(0,0,0,0.2),
        0 10px 10px -10px rgba(0,0,0,0.3);
}

/* ===== Cards ===== */
.card-gaming {
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(108, 92, 231, 0.1);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.card-gaming::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        transparent 30%,
        rgba(108, 92, 231, 0.1) 50%,
        transparent 70%
    );
    transform: rotate(45deg);
    transition: transform 0.6s;
}

.card-gaming:hover::before {
    transform: rotate(45deg) translate(50%, 50%);
}

.card-gaming:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary);
}

.card-gaming-neon {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow:
        0 0 40px rgba(108, 92, 231, 0.3),
        inset 0 0 40px rgba(108, 92, 231, 0.1);
}

/* ===== Game Board ===== */
.game-board-container {
    perspective: 1000px;
    padding: var(--spacing-xl);
}

.game-board {
    display: grid;
    grid-template-columns: repeat(10, 1fr);
    gap: 4px;
    padding: var(--spacing-md);
    background: var(--gradient-dark);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    transform-style: preserve-3d;
    transition: var(--transition-slow);
}

.game-board:hover {
    transform: rotateX(5deg) rotateY(-5deg);
}

.game-square {
    aspect-ratio: 1;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.7));
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: clamp(0.75rem, 2vw, 1rem);
    cursor: pointer;
    transition: var(--transition-spring);
    position: relative;
    overflow: hidden;
}

.game-square::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: var(--gradient-primary);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: var(--transition-base);
    opacity: 0.3;
}

.game-square:hover {
    transform: scale(1.1) translateZ(20px);
    box-shadow: var(--shadow-lg);
    z-index: 10;
}

.game-square:hover::before {
    width: 100%;
    height: 100%;
}

.game-square.selected {
    background: var(--gradient-primary);
    color: white;
    animation: pulse-glow 2s infinite;
}

.game-square.winner {
    background: var(--gradient-success);
    color: white;
    animation: float 3s infinite, pulse-glow 1s infinite;
}

/* ===== Forms ===== */
.form-gaming {
    position: relative;
}

.form-gaming-group {
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.form-gaming-input {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    background: rgba(255, 255, 255, 0.9);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: var(--transition-base);
    backdrop-filter: blur(10px);
}

.form-gaming-input:focus {
    outline: none;
    border-color: var(--primary);
    background: white;
    box-shadow: var(--shadow-gaming);
    transform: translateY(-2px);
}

.form-gaming-label {
    position: absolute;
    top: 50%;
    left: var(--spacing-lg);
    transform: translateY(-50%);
    transition: var(--transition-base);
    pointer-events: none;
    color: #666;
}

.form-gaming-input:focus + .form-gaming-label,
.form-gaming-input:not(:placeholder-shown) + .form-gaming-label {
    top: -10px;
    left: 10px;
    transform: translateY(0);
    font-size: 0.875rem;
    color: var(--primary);
    background: white;
    padding: 0 var(--spacing-xs);
}

/* ===== Navigation ===== */
.navbar-gaming {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-md) 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition-base);
}

.navbar-gaming.scrolled {
    padding: var(--spacing-sm) 0;
    background: rgba(255, 255, 255, 0.98);
}

.nav-link-gaming {
    color: var(--dark);
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-md);
    margin: 0 var(--spacing-xs);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
    position: relative;
    text-decoration: none;
}

.nav-link-gaming::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transform: translateX(-50%);
    transition: var(--transition-base);
}

.nav-link-gaming:hover {
    color: var(--primary);
    background: rgba(108, 92, 231, 0.1);
}

.nav-link-gaming:hover::after {
    width: 80%;
}

/* ===== Modal ===== */
.modal-gaming {
    backdrop-filter: blur(10px);
}

.modal-gaming .modal-content {
    background: rgba(255, 255, 255, 0.98);
    border-radius: var(--radius-lg);
    border: none;
    box-shadow: var(--shadow-xl);
    animation: slide-up 0.3s ease-out;
}

.modal-gaming .modal-header {
    background: var(--gradient-primary);
    color: white;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    border: none;
}

/* ===== Loader ===== */
.loader-gaming {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.loader-gaming-spinner {
    width: 80px;
    height: 80px;
    position: relative;
}

.loader-gaming-spinner::before,
.loader-gaming-spinner::after {
    content: '';
    position: absolute;
    border-radius: 50%;
}

.loader-gaming-spinner::before {
    width: 100%;
    height: 100%;
    background: var(--gradient-gaming);
    animation: rotate-3d 1s linear infinite;
}

.loader-gaming-spinner::after {
    width: 60%;
    height: 60%;
    background: var(--gradient-neon);
    top: 20%;
    left: 20%;
    animation: rotate-3d 0.8s linear reverse infinite;
}

/* ===== Score Display ===== */
.score-display {
    background: var(--gradient-dark);
    color: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.score-display::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: repeating-linear-gradient(
        45deg,
        transparent,
        transparent 10px,
        rgba(255, 255, 255, 0.05) 10px,
        rgba(255, 255, 255, 0.05) 20px
    );
    animation: slide 10s linear infinite;
}

@keyframes slide {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

.score-number {
    font-family: var(--font-gaming);
    font-size: clamp(2rem, 5vw, 4rem);
    font-weight: 900;
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.5);
}

/* ===== Responsive Design ===== */
@media (max-width: 768px) {
    :root {
        font-size: 14px;
    }

    .game-board {
        gap: 2px;
        padding: var(--spacing-sm);
    }

    .card-gaming {
        padding: var(--spacing-md);
    }

    .btn-gaming {
        padding: var(--spacing-xs) var(--spacing-md);
        font-size: 0.875rem;
    }

    .navbar-gaming {
        padding: var(--spacing-sm) 0;
    }

    .hide-mobile {
        display: none !important;
    }
}

@media (max-width: 480px) {
    :root {
        font-size: 12px;
    }

    .game-board {
        gap: 1px;
    }

    .game-square {
        font-size: 0.625rem;
    }
}

/* ===== Utility Classes ===== */
.animate-float { animation: float 3s ease-in-out infinite; }
.animate-pulse { animation: pulse-glow 2s ease-in-out infinite; }
.animate-slide-up { animation: slide-up 0.5s ease-out; }
.animate-rainbow {
    background: linear-gradient(90deg, #ff6b6b, #4ecdc4, #45b7d1, #96ceb4, #ffeaa7, #ff6b6b);
    background-size: 300% 100%;
    animation: rainbow 3s ease-in-out infinite;
}

.shadow-gaming { box-shadow: var(--shadow-gaming); }
.shadow-neon { box-shadow: var(--shadow-neon); }

.text-shadow-gaming {
    text-shadow:
        0 0 10px rgba(108, 92, 231, 0.5),
        0 0 20px rgba(108, 92, 231, 0.3),
        0 0 30px rgba(108, 92, 231, 0.2);
}

/* Hover Lift Effect */
.hover-lift {
    transition: var(--transition-base);
}

.hover-lift:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

/* Glass Effect */
.glass-effect {
    background: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.18);
}

/* Gradient Text */
.gradient-text-primary {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.gradient-text-gaming {
    background: var(--gradient-gaming);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    :root {
        --light: #1E293B;
        --dark: #F1F5F9;
    }

    body {
        background: var(--gradient-dark);
    }

    .card-gaming {
        background: rgba(30, 41, 59, 0.95);
        border-color: rgba(148, 163, 184, 0.1);
    }

    .form-gaming-input {
        background: rgba(30, 41, 59, 0.9);
        color: var(--light);
    }
}

/* ===== Accessibility ===== */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Focus Styles */
*:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Print Styles */
@media print {
    .no-print {
        display: none !important;
    }

    body {
        background: white;
        color: black;
    }
}