/* =====================================================
   NEON PONG - CYBER ARENA THEME
   ===================================================== */
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700;900&family=Rajdhani:wght@500;700&display=swap');

:root {
    --p1-color: #00f3ff; /* Cyan Neon */
    --p2-color: #ff0055; /* Pink Neon */
    --ball-color: #ffff00; /* Yellow Neon */
    --bg-dark: #050510;
    --grid-color: rgba(0, 243, 255, 0.1);
    --glass-bg: rgba(10, 10, 30, 0.85);
    --glass-border: rgba(255, 255, 255, 0.1);
    --text-primary: #ffffff;
    --text-secondary: #a0a0c0;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Rajdhani', sans-serif;
    background-color: var(--bg-dark);
    background-image: 
        linear-gradient(var(--grid-color) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);
    background-size: 40px 40px;
    background-position: center center;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--text-primary);
    overflow: hidden;
}

/* Ambient Glow */
body::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 50%, rgba(0, 243, 255, 0.05), transparent 70%);
    pointer-events: none;
    z-index: -1;
}

.game-container {
    position: relative;
    width: 100%;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* =====================================================
   Menu Styles
   ===================================================== */
.menu, .settings-panel, .game-over-modal {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 40px;
    text-align: center;
    box-shadow: 
        0 0 30px rgba(0, 0, 0, 0.8),
        0 0 10px rgba(0, 243, 255, 0.2),
        inset 0 0 20px rgba(0, 0, 0, 0.5);
    max-width: 500px;
    width: 90%;
    z-index: 100;
    position: absolute;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.hidden {
    opacity: 0;
    pointer-events: none;
    transform: scale(0.9);
}

h1 {
    font-family: 'Orbitron', sans-serif;
    font-size: 4rem;
    font-weight: 900;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 4px;
    background: linear-gradient(to right, var(--p1-color), #fff, var(--p2-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 20px rgba(0, 243, 255, 0.5);
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1.2rem;
    margin-bottom: 40px;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.menu-buttons {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.menu-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    padding: 15px 25px;
    border-radius: 8px;
    color: var(--text-primary);
    font-family: 'Orbitron', sans-serif;
    font-size: 1.1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.menu-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: 0.5s;
}

.menu-btn:hover::before {
    left: 100%;
}

.menu-btn:hover {
    background: rgba(0, 243, 255, 0.1);
    border-color: var(--p1-color);
    box-shadow: 0 0 15px rgba(0, 243, 255, 0.3);
    transform: translateY(-2px);
    text-shadow: 0 0 8px var(--p1-color);
}

.btn-icon {
    font-size: 1.4rem;
}

/* Controls Info */
.controls-info {
    margin-top: 40px;
    border-top: 1px solid var(--glass-border);
    padding-top: 20px;
}

.controls-info h3 {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 15px;
    text-transform: uppercase;
}

.control-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.control-item {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.key {
    background: rgba(255, 255, 255, 0.1);
    padding: 5px 10px;
    border-radius: 4px;
    font-family: 'Orbitron', sans-serif;
    color: var(--p1-color);
    border: 1px solid rgba(0, 243, 255, 0.3);
    box-shadow: 0 0 10px rgba(0, 243, 255, 0.1);
}

.control-item:last-child .key {
    color: var(--p2-color);
    border-color: rgba(255, 0, 85, 0.3);
    box-shadow: 0 0 10px rgba(255, 0, 85, 0.1);
}

/* =====================================================
   Game Canvas Area
   ===================================================== */
#pongCanvas {
    background: rgba(0, 0, 0, 0.6);
    border: 2px solid var(--glass-border);
    box-shadow: 0 0 50px rgba(0, 0, 0, 0.5);
    border-radius: 4px;
}

.game-ui {
    position: absolute;
    top: 20px;
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 50px;
    pointer-events: none;
    z-index: 10;
}

.score-board {
    display: flex;
    gap: 20px;
    font-family: 'Orbitron', sans-serif;
    font-size: 4rem;
    font-weight: 700;
    text-shadow: 0 0 20px rgba(0, 0, 0, 0.8);
    align-items: center;
}

#score1 { color: var(--p1-color); text-shadow: 0 0 20px var(--p1-color); }
#score2 { color: var(--p2-color); text-shadow: 0 0 20px var(--p2-color); }
.score-divider { color: var(--text-secondary); font-size: 2rem; }

.game-controls {
    position: absolute;
    top: 20px;
    right: 20px;
    display: flex;
    gap: 10px;
    z-index: 20;
    pointer-events: all;
}

.icon-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--glass-border);
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.icon-btn:hover {
    background: var(--p1-color);
    color: black;
    box-shadow: 0 0 15px var(--p1-color);
}

.game-footer {
    position: absolute;
    bottom: 20px;
    width: 100%;
    text-align: center;
    pointer-events: none;
}

.controls-hint {
    color: var(--text-secondary);
    font-size: 0.8rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    opacity: 0.7;
}

/* =====================================================
   Settings & Modal
   ===================================================== */
.settings-group {
    margin-bottom: 20px;
    text-align: left;
}

.settings-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

select, input[type="range"] {
    width: 100%;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--glass-border);
    padding: 10px;
    border-radius: 4px;
    color: white;
    font-family: 'Rajdhani', sans-serif;
}

select:focus {
    outline: none;
    border-color: var(--p1-color);
}

.modal-buttons {
    display: flex;
    gap: 10px;
    margin-top: 30px;
}

.btn-secondary {
    background: transparent;
    border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* Game Over Modal */
.winner-announce {
    font-size: 2rem;
    font-family: 'Orbitron', sans-serif;
    margin: 20px 0;
    color: var(--ball-color);
    text-shadow: 0 0 20px var(--ball-color);
}

.final-score {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 30px;
    font-family: 'Orbitron', sans-serif;
}

.score-p1 { color: var(--p1-color); }
.score-p2 { color: var(--p2-color); }
.score-divider { color: var(--text-secondary); margin: 0 10px; }

/* Responsive */
@media (max-width: 768px) {
    h1 { font-size: 3rem; }
    .game-ui { padding: 0 20px; }
    .score-board { font-size: 2.5rem; gap: 20px; }
}

   ===================================================== */
.game-container {
    max-width: 900px;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    position: relative;
    z-index: 1;
}

/* =====================================================
   Menu
   ===================================================== */
.menu {
    background: var(--panel-bg);
    border: 4px solid var(--primary-color);
    padding: 40px;
    width: 100%;
    max-width: 500px;
    text-align: center;
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.2);
}

.menu h1 {
    font-size: 4rem;
    color: var(--primary-color);
    margin-bottom: 10px;
    letter-spacing: 8px;
    text-transform: uppercase;
    text-shadow: 4px 4px 0px var(--accent-color);
}

.subtitle {
    color: var(--text-secondary);
    margin-bottom: 40px;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.menu-buttons {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 40px;
}

.menu-btn {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    padding: 15px 20px;
    font-family: inherit;
    font-size: 1.2rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.1s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    text-transform: uppercase;
}

.menu-btn:hover {
    background: var(--primary-color);
    color: var(--bg-color);
    box-shadow: 0 0 15px var(--primary-color);
}

.btn-icon {
    font-size: 1.2rem;
}

/* =====================================================
   Controls Info
   ===================================================== */
.controls-info {
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
    margin-top: 20px;
}

.controls-info h3 {
    color: var(--text-secondary);
    font-size: 0.8rem;
    margin-bottom: 15px;
    text-transform: uppercase;
}

.control-grid {
    display: grid;
    gap: 15px;
    text-align: left;
}

.control-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
    color: var(--text-primary);
}

.key {
    background: var(--border-color);
    padding: 4px 8px;
    color: var(--text-primary);
    font-family: monospace;
    font-weight: bold;
}
/* =====================================================
   Settings Panel
   ===================================================== */
.settings-panel {
    background: var(--panel-bg);
    border: 4px solid var(--primary-color);
    padding: 40px;
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.2);
    width: 100%;
    max-width: 500px;
    text-align: center;
}

.settings-panel h2 {
    font-size: 2rem;
    margin-bottom: 30px;
    color: var(--primary-color);
    text-transform: uppercase;
    text-shadow: 2px 2px 0 var(--accent-color);
}

.setting-item {
    margin-bottom: 25px;
    text-align: left;
}

.setting-item label {
    display: block;
    font-size: 1rem;
    margin-bottom: 10px;
    color: var(--text-secondary);
    text-transform: uppercase;
}

.setting-item select,
.setting-item input[type="number"] {
    width: 100%;
    padding: 12px;
    font-size: 1rem;
    border: 2px solid var(--border-color);
    background: #000;
    color: var(--primary-color);
    font-family: 'Courier New', monospace;
    border-radius: 0;
}

.setting-item select:focus,
.setting-item input:focus {
    border-color: var(--primary-color);
    outline: none;
}

.setting-item input[type="range"] {
    width: calc(100% - 60px);
    margin-right: 10px;
    accent-color: var(--primary-color);
}

.setting-item span {
    display: inline-block;
    width: 40px;
    text-align: center;
    font-weight: bold;
    font-size: 1.2rem;
    color: var(--primary-color);
}

/* =====================================================
   Game Screen
   ===================================================== */
.game-screen {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.game-header {
    width: 100%;
    max-width: 800px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--panel-bg);
    padding: 15px 20px;
    border: 2px solid var(--border-color);
    margin-bottom: 10px;
}

.score-board {
    display: flex;
    align-items: center;
    gap: 30px;
    flex: 1;
    justify-content: center;
    margin-bottom: 0;
    padding: 0;
}

.player-score {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
}

.player-name {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.score {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-color);
    text-shadow: 0 0 5px var(--primary-color);
}

.separator {
    font-size: 2rem;
    color: var(--border-color);
}

.pause-btn {
    padding: 10px;
    font-size: 1.2rem;
    border: 2px solid var(--text-secondary);
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.1s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pause-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    box-shadow: 0 0 10px var(--primary-color);
}

/* Canvas */
#pongCanvas {
    border: 4px solid var(--primary-color);
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.1);
    max-width: 100%;
    height: auto;
    background-color: #000;
    image-rendering: pixelated;
}

.game-footer {
    width: 100%;
    max-width: 800px;
    display: flex;
    justify-content: center;
    margin-top: 10px;
}

.game-btn {
    padding: 15px 40px;
    font-size: 1.1rem;
    font-weight: bold;
    border: 2px solid var(--accent-color);
    background: transparent;
    color: var(--accent-color);
    cursor: pointer;
    transition: all 0.1s;
    text-transform: uppercase;
    font-family: 'Courier New', monospace;
}

.game-btn:hover {
    background: var(--accent-color);
    color: #000;
    box-shadow: 0 0 15px var(--accent-color);
}

/* =====================================================
   Pause Menu
   ===================================================== */
.pause-menu {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--panel-bg);
    border: 4px solid var(--primary-color);
    padding: 40px;
    box-shadow: 0 0 50px rgba(0, 0, 0, 0.8);
    z-index: 1000;
    text-align: center;
}

.pause-menu h2 {
    font-size: 2.5rem;
    margin-bottom: 30px;
    color: var(--primary-color);
    text-transform: uppercase;
    text-shadow: 2px 2px 0 var(--accent-color);
}

.pause-buttons {
    display: flex;
    flex-direction: column;
    gap: 15px;
    min-width: 300px;
}

/* =====================================================
   Modal
   ===================================================== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal-content {
    background: var(--panel-bg);
    border: 4px solid var(--primary-color);
    padding: 40px;
    text-align: center;
    box-shadow: 0 0 40px rgba(255, 255, 255, 0.2);
    max-width: 500px;
    width: 90%;
}

.victory-title {
    font-size: 3rem;
    margin-bottom: 20px;
    color: var(--primary-color);
    text-transform: uppercase;
    text-shadow: 4px 4px 0 var(--accent-color);
}

.winner-text {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--text-primary);
    font-family: monospace;
}

.final-score {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 30px;
    text-shadow: 0 0 10px var(--primary-color);
}

.modal-buttons {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

/* =====================================================
   Footer
   ===================================================== */
footer {
    text-align: center;
    color: var(--text-secondary);
    margin-top: 20px;
    font-size: 0.8rem;
    text-transform: uppercase;
    opacity: 0.5;
}

footer a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

footer a:hover {
    color: var(--primary-color);
}

/* =====================================================
   Utility Classes
   ===================================================== */
.hidden {
    display: none !important;
}

/* =====================================================
   Animations
   ===================================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes scaleIn {
    from {
        transform: translate(-50%, -50%) scale(0.8);
        opacity: 0;
    }
    to {
        transform: translate(-50%, -50%) scale(1);
        opacity: 1;
    }
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* =====================================================
   Responsive Design
   ===================================================== */
@media (max-width: 850px) {
    #pongCanvas {
        width: 100%;
        height: auto;
    }

    .menu h1 {
        font-size: 3rem;
    }

    .score-board {
        gap: 20px;
    }

    .score {
        font-size: 2.5rem;
    }
}

@media (max-width: 600px) {
    .menu, .settings-panel {
        padding: 25px;
    }

    .menu h1 {
        font-size: 2.5rem;
    }

    .game-header {
        flex-direction: column;
        gap: 15px;
    }

    .control-grid {
        grid-template-columns: 1fr;
    }
}

/* Fix for player names in score board */
.score-board .player-name {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin: 0 15px;
}