/* 8-BIT SPACE FX - SOUND DEMO - Fullscreen Layout */
:root {
    --glow: #00ffff;
    --glow2: #00ff88;
    --bg: #050510;
}

[data-cassette="a"] {
    --glow: #00ffff;
    --glow2: #00ff88;
}

[data-cassette="b"] {
    --glow: #ff00ff;
    --glow2: #ff0088;
}

[data-cassette="c"] {
    --glow: #ffcc00;
    --glow2: #ff8800;
}

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

html,
body {
    width: 100%;
    height: 100%;
    overflow: hidden;
}

body {
    font-family: 'Press Start 2P', monospace;
    background: var(--bg);
    color: #fff;
}

/* Animated Grid Background */
.bg-grid {
    position: fixed;
    inset: 0;
    z-index: 0;
    background:
        linear-gradient(90deg, transparent 49%, rgba(255, 255, 255, 0.02) 50%, transparent 51%),
        linear-gradient(0deg, transparent 49%, rgba(255, 255, 255, 0.02) 50%, transparent 51%);
    background-size: 60px 60px;
    animation: grid-move 4s linear infinite;
}

@keyframes grid-move {
    to {
        background-position: 60px 60px;
    }
}

/* Background Stars */
.bg-stars {
    position: fixed;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    overflow: hidden;
}

.bg-star {
    position: absolute;
    width: 2px;
    height: 2px;
    background: #fff;
    border-radius: 50%;
    animation: star-fall linear infinite;
}

@keyframes star-fall {
    0% {
        transform: translateY(-10px);
        opacity: 0;
    }

    10% {
        opacity: 1;
    }

    90% {
        opacity: 1;
    }

    100% {
        transform: translateY(100vh);
        opacity: 0;
    }
}

.scanlines {
    position: fixed;
    inset: 0;
    background: repeating-linear-gradient(0deg, transparent 0px, rgba(0, 0, 0, 0.15) 1px, transparent 2px);
    pointer-events: none;
    z-index: 1000;
}

.screen {
    position: fixed;
    inset: 0;
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 10;
}

.screen.active {
    display: flex;
}

/* ===== MENU ===== */
.menu-content {
    text-align: center;
    padding: 2rem;
    position: relative;
    z-index: 10;
}

.demo-badge {
    display: inline-block;
    font-size: 0.7rem;
    color: var(--glow);
    letter-spacing: 0.5em;
    margin-bottom: 1.5rem;
    padding: 0.5rem 1.5rem;
    border: 1px solid var(--glow);
    border-radius: 20px;
    text-shadow: 0 0 10px var(--glow);
    box-shadow: 0 0 20px var(--glow), inset 0 0 20px rgba(255, 255, 255, 0.05);
}

.pack-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 3.5rem;
    font-weight: 900;
    color: #fff;
    text-shadow: 0 0 20px var(--glow), 0 0 40px var(--glow), 0 0 80px var(--glow2);
    margin-bottom: 0.5rem;
    animation: title-glow 3s ease-in-out infinite;
}

@keyframes title-glow {

    0%,
    100% {
        filter: brightness(1);
    }

    50% {
        filter: brightness(1.2);
        text-shadow: 0 0 30px var(--glow), 0 0 60px var(--glow), 0 0 100px var(--glow2);
    }
}

/* Glitch Effect */
.glitch {
    position: relative;
}

.glitch::before,
.glitch::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.8;
}

.glitch::before {
    color: #ff00ff;
    animation: glitch-1 3s infinite linear;
    clip-path: polygon(0 0, 100% 0, 100% 45%, 0 45%);
}

.glitch::after {
    color: #00ffff;
    animation: glitch-2 3s infinite linear;
    clip-path: polygon(0 55%, 100% 55%, 100% 100%, 0 100%);
}

@keyframes glitch-1 {

    0%,
    92%,
    100% {
        transform: translate(0);
    }

    93% {
        transform: translate(-5px, 0);
    }

    94% {
        transform: translate(5px, 0);
    }

    95% {
        transform: translate(-5px, 0);
    }
}

@keyframes glitch-2 {

    0%,
    92%,
    100% {
        transform: translate(0);
    }

    93% {
        transform: translate(5px, 0);
    }

    94% {
        transform: translate(-5px, 0);
    }

    95% {
        transform: translate(5px, 0);
    }
}

.pack-author {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 3rem;
}

.author-name {
    color: var(--glow);
    text-shadow: 0 0 10px var(--glow);
}

.cassette-selector {
    margin-bottom: 2.5rem;
}

.cassette-label {
    font-size: 0.55rem;
    color: rgba(255, 255, 255, 0.4);
    letter-spacing: 0.3em;
    margin-bottom: 1rem;
}

.cassettes {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.cassette {
    width: 70px;
    height: 70px;
    background: rgba(255, 255, 255, 0.03);
    border: 2px solid rgba(255, 255, 255, 0.15);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.cassette::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent 40%, rgba(255, 255, 255, 0.1) 50%, transparent 60%);
    transform: translateX(-100%);
    transition: transform 0.5s;
}

.cassette:hover::before {
    transform: translateX(100%);
}

.cassette:hover {
    border-color: var(--glow);
    transform: translateY(-5px);
}

.cassette.active {
    border-color: var(--glow);
    box-shadow: 0 0 30px var(--glow), 0 10px 40px rgba(0, 0, 0, 0.5);
    transform: translateY(-5px);
}

.cassette.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 3px;
    background: var(--glow);
    box-shadow: 0 0 10px var(--glow);
}

.tape-letter {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.5);
    transition: all 0.3s;
}

.cassette.active .tape-letter {
    color: var(--glow);
    text-shadow: 0 0 20px var(--glow);
}

.neon-button {
    font-family: 'Press Start 2P', monospace;
    font-size: 1.1rem;
    padding: 1.2rem 3rem;
    background: transparent;
    border: 2px solid var(--glow);
    color: var(--glow);
    cursor: pointer;
    transition: all 0.3s;
    text-shadow: 0 0 10px var(--glow);
    box-shadow: 0 0 20px var(--glow), inset 0 0 20px rgba(255, 255, 255, 0.05);
    position: relative;
    overflow: hidden;
}

.neon-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.neon-button:hover::before {
    left: 100%;
}

.neon-button:hover {
    background: var(--glow);
    color: #000;
    box-shadow: 0 0 40px var(--glow), 0 0 80px var(--glow);
    text-shadow: none;
}

.pulse-border {
    animation: pulse-border 2s ease-in-out infinite;
}

@keyframes pulse-border {

    0%,
    100% {
        box-shadow: 0 0 20px var(--glow);
    }

    50% {
        box-shadow: 0 0 40px var(--glow), 0 0 60px var(--glow);
    }
}

.neon-button.secondary {
    font-size: 0.8rem;
    padding: 0.8rem 1.5rem;
    opacity: 0.7;
    margin-left: 1rem;
}

.controls-info {
    margin-top: 2.5rem;
    font-size: 0.5rem;
    color: rgba(255, 255, 255, 0.3);
    line-height: 2.5;
}

/* ===== GAME SCREEN ===== */
#game-screen {
    flex-direction: column;
}

.game-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 0.8rem 2rem;
    margin-bottom: 0.5rem;
}

.header-demo {
    font-size: 0.5rem;
    color: var(--glow);
    letter-spacing: 0.3em;
    padding: 0.3rem 0.8rem;
    border: 1px solid var(--glow);
    border-radius: 10px;
}

.header-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.3rem;
    font-weight: 700;
    color: #fff;
    text-shadow: 0 0 15px var(--glow);
}

.header-author {
    font-size: 0.5rem;
    color: rgba(255, 255, 255, 0.5);
}

/* ===== GAME LAYOUT ===== */
.game-layout {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    flex: 1;
    padding: 0 1rem 1rem;
}

.side-panel {
    width: 180px;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    align-items: center;
    position: relative;
}

.panel-decoration {
    width: 60%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--glow), transparent);
    box-shadow: 0 0 10px var(--glow);
}

.stat-box {
    text-align: center;
    padding: 1rem;
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    width: 100%;
    position: relative;
    overflow: hidden;
}

.stat-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--glow), transparent);
}

.stat-box.main {
    border-color: var(--glow);
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.2);
}

.stat-label {
    font-size: 0.5rem;
    color: rgba(255, 255, 255, 0.5);
    letter-spacing: 0.2em;
    margin-bottom: 0.5rem;
}

.stat-value {
    font-family: 'Orbitron', sans-serif;
    font-weight: 700;
}

.stat-value.score {
    font-size: 1.8rem;
    color: var(--glow);
    text-shadow: 0 0 20px var(--glow);
}

.stat-value.high {
    font-size: 1rem;
    color: var(--glow2);
    text-shadow: 0 0 10px var(--glow2);
}

.stat-value.wave {
    font-size: 1.5rem;
    color: #fff;
    text-shadow: 0 0 10px var(--glow);
}

.stat-value.tape {
    font-size: 1.5rem;
    color: var(--glow);
    text-shadow: 0 0 15px var(--glow);
}

.stat-value.lives {
    font-size: 1.5rem;
    display: flex;
    justify-content: center;
    gap: 0.3rem;
}

.heart {
    color: #333;
    transition: all 0.3s;
}

.heart.active {
    color: #ff3366;
    text-shadow: 0 0 10px #ff3366;
    animation: heart-beat 1s ease-in-out infinite;
}

@keyframes heart-beat {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.1);
    }
}

.stat-value.power {
    font-size: 1.2rem;
    color: var(--glow2);
    letter-spacing: 0.3em;
}

.pulse-text {
    animation: pulse-text 1s ease-in-out infinite;
}

@keyframes pulse-text {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.7;
    }
}

/* Canvas Container */
.canvas-container {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.canvas-frame {
    position: relative;
    padding: 4px;
    background: linear-gradient(135deg, var(--glow), var(--glow2));
    border-radius: 8px;
    box-shadow: 0 0 40px var(--glow), 0 0 80px rgba(0, 0, 0, 0.8);
}

.frame-corner {
    position: absolute;
    width: 20px;
    height: 20px;
    border: 3px solid var(--glow);
    z-index: 10;
}

.frame-corner.tl {
    top: -8px;
    left: -8px;
    border-right: none;
    border-bottom: none;
}

.frame-corner.tr {
    top: -8px;
    right: -8px;
    border-left: none;
    border-bottom: none;
}

.frame-corner.bl {
    bottom: -8px;
    left: -8px;
    border-right: none;
    border-top: none;
}

.frame-corner.br {
    bottom: -8px;
    right: -8px;
    border-left: none;
    border-top: none;
}

#game-canvas {
    display: block;
    background: #030308;
    border-radius: 4px;
}

.wave-announcement {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    z-index: 200;
    pointer-events: none;
    animation: wave-appear 1.5s ease-out forwards;
}

.wave-announcement.hidden {
    display: none;
}

.wave-text {
    font-family: 'Orbitron', sans-serif;
    font-size: 3rem;
    font-weight: 900;
    color: var(--glow);
    text-shadow: 0 0 30px var(--glow), 0 0 60px var(--glow);
    animation: wave-pulse 0.3s ease-in-out infinite;
}

@keyframes wave-appear {
    0% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(2);
    }

    30% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }

    70% {
        opacity: 1;
    }

    100% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.8);
    }
}

@keyframes wave-pulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }
}

/* ===== GAME OVER ===== */
.game-over-content {
    text-align: center;
    padding: 3rem;
    background: rgba(0, 0, 0, 0.95);
    border: 2px solid var(--glow);
    border-radius: 15px;
    box-shadow: 0 0 60px var(--glow), inset 0 0 60px rgba(0, 0, 0, 0.5);
    position: relative;
    z-index: 10;
}

.game-over-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 2.5rem;
    color: #ff3366;
    text-shadow: 0 0 30px #ff3366;
    margin-bottom: 2rem;
}

.score-display {
    margin-bottom: 2rem;
}

.final-score,
.best-score {
    margin: 1rem 0;
}

.final-score .label,
.best-score .label {
    font-size: 0.6rem;
    color: rgba(255, 255, 255, 0.5);
    display: block;
    margin-bottom: 0.5rem;
}

.final-score .value {
    font-family: 'Orbitron', sans-serif;
    font-size: 3rem;
    color: var(--glow);
    text-shadow: 0 0 20px var(--glow);
}

.best-score .value {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.5rem;
    color: var(--glow2);
    text-shadow: 0 0 15px var(--glow2);
}

.game-over-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

/* ===== PAUSE ===== */
.pause-content {
    text-align: center;
    padding: 2.5rem;
    background: rgba(0, 0, 0, 0.95);
    border: 2px solid var(--glow);
    border-radius: 15px;
    box-shadow: 0 0 50px var(--glow);
}

.pause-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 2rem;
    color: var(--glow);
    text-shadow: 0 0 20px var(--glow);
    margin-bottom: 1.5rem;
}

.pause-cassettes {
    margin-bottom: 1.5rem;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
    .side-panel {
        width: 120px;
    }

    .stat-value.score {
        font-size: 1.3rem;
    }

    .pack-title {
        font-size: 2.5rem;
    }
}

@media (max-width: 700px) {
    .game-layout {
        flex-direction: column;
        gap: 1rem;
    }

    .side-panel {
        flex-direction: row;
        width: 100%;
        justify-content: center;
    }

    .stat-box {
        width: auto;
        padding: 0.8rem 1.2rem;
    }

    .panel-decoration {
        display: none;
    }
}