@import url('https://fonts.googleapis.com/css2?family=Bangers&family=Press+Start+2P&display=swap');

/* ============================================
   CSS VARIABLES (Spider-Verse Palette)
   ============================================ */
:root {
    --sv-pink: #ff00ff;
    --sv-pink-light: #ff66ff;
    --sv-pink-dark: #cc00cc;
    --sv-cyan: #00ffff;
    --sv-cyan-light: #66ffff;
    --sv-cyan-dark: #00cccc;
    --sv-yellow: #ffff00;
    --sv-yellow-light: #ffff66;
    --sv-purple: #aa00ff;
    --sv-purple-deep: #6600cc;
    --sv-orange: #ff3300;
    --sv-electric-blue: #00bfff;
    --sv-bg-deep: #050510;
    --sv-bg-mid: #0a0a1a;
    --sv-bg-near: #1a1a3a;
    --sv-bg-surface: #2a2a4a;
    --sv-white: #ffffff;
    --sv-black: #000000;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    background: var(--sv-bg-mid);
    color: var(--sv-white);
    font-family: 'Bangers', cursive;
    overflow: hidden;
    width: 100vw;
    height: 100vh;
    user-select: none;
    -webkit-user-select: none;
    touch-action: none;
}

/* ============================================
   GAME CONTAINER
   ============================================ */
#game-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, var(--sv-bg-deep) 0%, var(--sv-bg-near) 100%);
    overflow: hidden;
    touch-action: none;
}

canvas {
    display: block;
    width: 100%;
    height: 100%;
    touch-action: none;
}

/* ============================================
   UI LAYER
   ============================================ */
.ui-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

/* ============================================
   SCORE DISPLAY
   ============================================ */
.score-container {
    position: absolute;
    top: 20px;
    right: 30px;
    font-family: 'Press Start 2P', monospace;
    font-size: 14px;
    color: var(--sv-white);
    background: linear-gradient(135deg, var(--sv-pink), var(--sv-electric-blue));
    padding: 12px 18px;
    border-radius: 8px;
    box-shadow:
        0 4px 20px rgba(255, 0, 255, 0.4),
        0 0 30px rgba(0, 191, 255, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    z-index: 20;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.score-container::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(135deg, var(--sv-pink), var(--sv-cyan));
    border-radius: 10px;
    z-index: -1;
    opacity: 0.5;
    filter: blur(8px);
}

/* ============================================
   FPS COUNTER
   ============================================ */
#fps-counter {
    position: absolute;
    top: 20px;
    left: 20px;
    font-family: 'Press Start 2P', monospace;
    font-size: 10px;
    color: var(--sv-cyan);
    background: rgba(0, 0, 0, 0.6);
    padding: 6px 10px;
    border-radius: 4px;
    border: 1px solid var(--sv-cyan-dark);
    z-index: 20;
    opacity: 0.8;
}

/* ============================================
   START SCREEN
   ============================================ */
#start-screen {
    text-align: center;
    z-index: 25;
}

#start-text {
    font-size: 38px;
    color: var(--sv-white);
    text-shadow:
        0 0 30px rgba(255, 0, 255, 0.8),
        0 0 60px rgba(0, 255, 255, 0.5),
        4px 4px 0 var(--sv-pink),
        -2px -2px 0 var(--sv-cyan);
    animation: pulse 1.5s infinite, glitch 5s infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.05);
        opacity: 0.9;
    }
}

@keyframes glitch {
    0%, 94%, 100% {
        transform: translate(0);
    }
    95% {
        transform: translate(-2px, 1px);
        text-shadow:
            2px 0 var(--sv-cyan),
            -2px 0 var(--sv-pink);
    }
    96% {
        transform: translate(2px, -1px);
    }
    97% {
        transform: translate(-1px, 2px);
        text-shadow:
            -2px 0 var(--sv-pink),
            2px 0 var(--sv-cyan);
    }
}

/* ============================================
   GAME OVER SCREEN
   ============================================ */
#game-over-screen {
    display: none;
    text-align: center;
    z-index: 30;
    background: rgba(5, 5, 16, 0.95);
    padding: 40px 50px;
    border-radius: 16px;
    box-shadow:
        0 0 60px rgba(255, 0, 255, 0.5),
        0 0 100px rgba(0, 255, 255, 0.3),
        inset 0 0 60px rgba(0, 0, 0, 0.5);
    border: 3px solid;
    border-image: linear-gradient(135deg, var(--sv-pink), var(--sv-cyan)) 1;
}

#game-over-text {
    font-size: 48px;
    color: var(--sv-white);
    text-shadow:
        0 0 20px var(--sv-pink),
        0 0 40px var(--sv-pink-dark),
        3px 3px 0 var(--sv-purple-deep);
    margin-bottom: 10px;
    letter-spacing: 4px;
}

#death-reason {
    font-size: 18px;
    color: var(--sv-orange);
    margin-bottom: 10px;
    text-shadow: 0 0 10px rgba(255, 51, 0, 0.5);
}

#final-score {
    font-family: 'Press Start 2P', monospace;
    font-size: 16px;
    color: var(--sv-yellow);
    margin-bottom: 20px;
    text-shadow: 0 0 15px rgba(255, 255, 0, 0.5);
}

#restart-icon {
    width: 60px;
    height: 60px;
    cursor: pointer;
    pointer-events: auto;
    background: linear-gradient(135deg, var(--sv-pink), var(--sv-electric-blue));
    border: none;
    padding: 14px;
    border-radius: 50%;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow:
        0 4px 20px rgba(0, 191, 255, 0.5),
        0 0 30px rgba(255, 0, 255, 0.3);
}

#restart-icon:hover {
    transform: scale(1.1) rotate(180deg);
    box-shadow:
        0 6px 30px rgba(255, 0, 255, 0.7),
        0 0 50px rgba(0, 255, 255, 0.5);
}

#restart-icon:active {
    transform: scale(0.95) rotate(180deg);
}

#restart-icon svg {
    fill: var(--sv-white);
    filter: drop-shadow(0 0 5px rgba(255, 255, 255, 0.5));
}

/* ============================================
   SETTINGS PANEL
   ============================================ */
#settings-btn {
    position: absolute;
    top: 20px;
    left: 60px;
    width: 36px;
    height: 36px;
    background: rgba(0, 0, 0, 0.6);
    border: 2px solid var(--sv-pink);
    border-radius: 8px;
    cursor: pointer;
    pointer-events: auto;
    z-index: 25;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

#settings-btn:hover {
    background: rgba(255, 0, 255, 0.2);
    box-shadow: 0 0 15px var(--sv-pink);
    transform: rotate(45deg);
}

#settings-btn svg {
    width: 20px;
    height: 20px;
    fill: var(--sv-pink);
}

#settings-panel {
    display: none;
    position: absolute;
    top: 70px;
    left: 20px;
    background: rgba(5, 5, 16, 0.95);
    border: 2px solid var(--sv-pink);
    border-radius: 12px;
    padding: 20px;
    z-index: 50;
    pointer-events: auto;
    min-width: 260px;
    box-shadow:
        0 0 30px rgba(255, 0, 255, 0.3),
        inset 0 0 20px rgba(0, 0, 0, 0.5);
}

#settings-panel.open {
    display: block;
    animation: slideIn 0.2s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

#settings-panel h3 {
    margin: 0 0 15px 0;
    font-size: 24px;
    color: var(--sv-pink);
    text-shadow: 0 0 10px var(--sv-pink);
    border-bottom: 1px solid var(--sv-pink-dark);
    padding-bottom: 10px;
}

.setting-group {
    margin-bottom: 15px;
}

.setting-group label {
    display: block;
    font-size: 14px;
    color: var(--sv-cyan);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.setting-group select {
    width: 100%;
    padding: 10px 12px;
    background: var(--sv-bg-surface);
    border: 2px solid var(--sv-cyan-dark);
    border-radius: 6px;
    color: var(--sv-white);
    font-family: 'Bangers', cursive;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.setting-group select:hover {
    border-color: var(--sv-cyan);
    box-shadow: 0 0 10px rgba(0, 255, 255, 0.3);
}

.setting-group select:focus {
    outline: none;
    border-color: var(--sv-pink);
    box-shadow: 0 0 15px rgba(255, 0, 255, 0.4);
}

.setting-group select option {
    background: var(--sv-bg-mid);
    color: var(--sv-white);
}

/* Toggle Switch */
.toggle-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.toggle-switch {
    position: relative;
    width: 50px;
    height: 26px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--sv-bg-surface);
    border: 2px solid var(--sv-cyan-dark);
    border-radius: 26px;
    transition: 0.3s;
}

.toggle-slider::before {
    position: absolute;
    content: '';
    height: 18px;
    width: 18px;
    left: 2px;
    bottom: 2px;
    background: var(--sv-white);
    border-radius: 50%;
    transition: 0.3s;
}

.toggle-switch input:checked + .toggle-slider {
    background: var(--sv-pink);
    border-color: var(--sv-pink-light);
    box-shadow: 0 0 10px var(--sv-pink);
}

.toggle-switch input:checked + .toggle-slider::before {
    transform: translateX(24px);
}

/* ============================================
   GDPR BANNER
   ============================================ */
#gdpr-banner {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background: rgba(5, 5, 16, 0.98);
    border-top: 3px solid var(--sv-pink);
    padding: 20px;
    text-align: center;
    z-index: 100;
    pointer-events: auto;
    box-shadow:
        0 -5px 30px rgba(0, 0, 0, 0.8),
        0 -2px 20px rgba(255, 0, 255, 0.3);
}

#gdpr-banner p {
    margin: 0 0 15px 0;
    font-size: 16px;
    color: var(--sv-white);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.gdpr-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.gdpr-buttons button {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-family: 'Bangers', cursive;
    font-size: 18px;
    cursor: pointer;
    transition: all 0.2s ease;
    letter-spacing: 1px;
}

#gdpr-accept {
    background: linear-gradient(135deg, var(--sv-cyan), var(--sv-electric-blue));
    color: var(--sv-black);
    box-shadow: 0 4px 15px rgba(0, 255, 255, 0.4);
}

#gdpr-accept:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 25px rgba(0, 255, 255, 0.6);
}

#gdpr-decline {
    background: transparent;
    border: 2px solid var(--sv-pink);
    color: var(--sv-pink);
}

#gdpr-decline:hover {
    background: rgba(255, 0, 255, 0.2);
    box-shadow: 0 0 15px var(--sv-pink);
}

.gdpr-buttons button:active {
    transform: scale(0.95);
}

/* ============================================
   COMBO DISPLAY
   ============================================ */
#combo-display {
    position: absolute;
    top: 80px;
    right: 30px;
    font-family: 'Bangers', cursive;
    font-size: 24px;
    color: var(--sv-yellow);
    text-shadow:
        0 0 20px var(--sv-yellow),
        2px 2px 0 var(--sv-orange);
    z-index: 20;
    opacity: 0;
    transition: opacity 0.3s ease;
}

#combo-display.active {
    opacity: 1;
    animation: comboPop 0.3s ease;
}

@keyframes comboPop {
    0% {
        transform: scale(0.5);
    }
    50% {
        transform: scale(1.2);
    }
    100% {
        transform: scale(1);
    }
}

/* ============================================
   NEAR MISS INDICATOR
   ============================================ */
#near-miss-indicator {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-family: 'Bangers', cursive;
    font-size: 36px;
    color: var(--sv-cyan);
    text-shadow:
        0 0 30px var(--sv-cyan),
        0 0 60px var(--sv-cyan-dark);
    z-index: 20;
    opacity: 0;
    pointer-events: none;
}

#near-miss-indicator.flash {
    animation: nearMissFlash 0.5s ease;
}

@keyframes nearMissFlash {
    0% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1.5);
    }
    100% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(1);
    }
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 768px) {
    #start-text {
        font-size: 28px;
    }

    #game-over-text {
        font-size: 36px;
    }

    .score-container {
        top: 10px;
        right: 10px;
        padding: 8px 12px;
        font-size: 10px;
    }

    #fps-counter {
        top: 10px;
        left: 10px;
        font-size: 8px;
        padding: 4px 6px;
    }

    #settings-btn {
        top: 10px;
        left: 45px;
        width: 30px;
        height: 30px;
    }

    #settings-panel {
        top: 50px;
        left: 10px;
        right: 10px;
        min-width: auto;
    }

    #game-over-screen {
        padding: 25px 30px;
        margin: 0 15px;
    }

    #combo-display {
        top: 60px;
        right: 10px;
        font-size: 18px;
    }
}

@media (max-width: 480px) {
    #start-text {
        font-size: 22px;
    }

    #game-over-text {
        font-size: 28px;
    }

    #final-score {
        font-size: 12px;
    }

    #restart-icon {
        width: 50px;
        height: 50px;
    }

    .gdpr-buttons {
        flex-direction: column;
        gap: 10px;
    }

    .gdpr-buttons button {
        width: 100%;
    }
}

/* ============================================
   LOADING INDICATOR
   ============================================ */
#loading-screen {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--sv-bg-deep);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid var(--sv-bg-surface);
    border-top-color: var(--sv-pink);
    border-right-color: var(--sv-cyan);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.loading-text {
    margin-top: 20px;
    font-size: 18px;
    color: var(--sv-pink);
    animation: pulse 1s infinite;
}