* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    user-select: none;
}

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

body {
    background-color: #1a1a2e;
    color: #fff;
    font-family: 'Press Start 2P', monospace;
    overflow: hidden;
    touch-action: none;
    image-rendering: pixelated;
    min-height: 100vh;
    min-height: 100dvh;
    overscroll-behavior: none;
}

canvas {
    display: block;
    width: 100vw;
    height: 100vh;
    height: 100dvh;
    image-rendering: pixelated;
    image-rendering: crisp-edges;
}

.screen {
    position: absolute;
    inset: 0;
    width: 100%;
    min-height: 100vh;
    min-height: 100dvh;
    padding: max(12px, env(safe-area-inset-top)) max(12px, env(safe-area-inset-right)) max(12px, env(safe-area-inset-bottom)) max(12px, env(safe-area-inset-left));
    background: rgba(10, 10, 30, 0.95);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 100;
}

.panel {
    background: #16213e;
    padding: 2.5rem;
    border-radius: 4px;
    text-align: center;
    box-shadow: 0 0 0 4px #e74c3c, 0 0 0 8px #16213e, 0 0 30px rgba(231, 76, 60, 0.3);
    border: 4px solid #e74c3c;
    max-width: 600px;
    width: 92%;
    max-height: 95vh;
    overflow-y: auto;
}

.selection-panel {
    max-width: 1040px;
}

.game-logo {
    display: block;
    width: clamp(96px, 16vw, 156px);
    height: clamp(96px, 16vw, 156px);
    margin: 0 auto 1rem;
    object-fit: contain;
    image-rendering: pixelated;
    image-rendering: crisp-edges;
    filter: drop-shadow(0 6px 10px rgba(0,0,0,0.45));
}

.car-container {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.car-card {
    background: #0f3460;
    border: 3px solid #1a1a2e;
    border-radius: 4px;
    padding: 14px;
    cursor: pointer;
    transition: all 0.2s;
    width: 220px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.car-card:hover {
    transform: translateY(-4px);
    background: #1a4a7a;
    border-color: #e94560;
}

.car-card.selected {
    border-color: #f1c40f;
    background: rgba(241, 196, 15, 0.15);
    box-shadow: 0 0 0 3px #f1c40f, 0 0 20px rgba(241, 196, 15, 0.3);
}

.car-card.selected .car-preview {
    will-change: contents;
}

.car-preview-stage {
    width: min(128px, 100%);
    height: 128px;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.car-card img {
    width: var(--preview-size, 120px);
    height: var(--preview-size, 120px);
    max-width: 100%;
    max-height: 100%;
    margin-bottom: 0;
    image-rendering: pixelated;
    image-rendering: crisp-edges;
    filter: drop-shadow(0 4px 6px rgba(0,0,0,0.6));
}

.car-card h3 {
    color: #fff;
    margin-bottom: 8px;
    font-size: 0.65rem;
    line-height: 1.4;
}

.car-stats {
    font-size: 0.55rem;
    color: #bdc3c7;
    width: 100%;
}

.car-stats div {
    display: flex;
    justify-content: space-between;
    margin-bottom: 5px;
}

h1 {
    color: #e94560;
    margin-bottom: 1rem;
    font-size: 1.8rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    text-shadow: 4px 4px 0 rgba(0,0,0,0.5), 0 0 20px rgba(233, 69, 96, 0.4);
}

p {
    margin-bottom: 1.2rem;
    font-size: 0.7rem;
    color: #ecf0f1;
    line-height: 1.8;
}

button {
    font-family: 'Press Start 2P', monospace;
    background: #e94560;
    color: white;
    border: none;
    padding: 14px 30px;
    font-size: 0.8rem;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
    text-transform: uppercase;
    box-shadow: 0 4px 0 #a3233f, 0 6px 15px rgba(231, 76, 60, 0.3);
    position: relative;
    top: 0;
}

button:hover:not(:disabled) {
    background: #c0392b;
    top: -2px;
    box-shadow: 0 6px 0 #a3233f, 0 10px 20px rgba(231, 76, 60, 0.4);
}

button:active:not(:disabled) {
    top: 4px;
    box-shadow: 0 0px 0 #a3233f;
}

button:disabled {
    background: #4a4a6a;
    cursor: not-allowed;
    box-shadow: 0 4px 0 #333355;
    opacity: 0.6;
}

#loadingStatus {
    margin-top: 1.2rem;
    color: #f1c40f;
    font-size: 0.6rem;
    line-height: 1.6;
}

.hidden {
    display: none !important;
}

#uiLayer {
    position: absolute;
    inset: 0;
    width: 100%;
    min-height: 100vh;
    min-height: 100dvh;
    pointer-events: none;
    z-index: 50;
}

#hud {
    position: absolute;
    top: 16px;
    left: 16px;
    background: rgba(15, 15, 40, 0.88);
    padding: 16px;
    border-radius: 4px;
    font-size: 0.65rem;
    border: 3px solid #e94560;
    box-shadow: 0 0 15px rgba(233, 69, 96, 0.25);
    pointer-events: auto;
}

#hud div {
    margin-bottom: 8px;
    color: #8892b0;
}

.hud-value {
    color: #ccd6f6;
    font-size: 0.7rem;
}

#driftScoreContainer {
    margin-top: 12px !important;
    color: #f1c40f !important;
    font-size: 0.75rem !important;
    text-shadow: 0 0 8px rgba(241, 196, 15, 0.5);
    transition: transform 0.1s, color 0.1s;
}

#driftScoreContainer .hud-value {
    color: inherit;
    font-size: 0.85rem;
}

#controlsInfo {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(10, 10, 30, 0.85);
    padding: 10px 20px;
    border-radius: 4px;
    font-size: 0.55rem;
    letter-spacing: 1px;
    border: 2px solid #0f3460;
    box-shadow: 0 0 10px rgba(0,0,0,0.4);
    white-space: nowrap;
}

#touchControls {
    position: absolute;
    inset: 0;
    display: none;
    pointer-events: none;
    z-index: 20;
}

#joystickZone {
    position: absolute;
    left: max(18px, env(safe-area-inset-left));
    bottom: max(22px, calc(env(safe-area-inset-bottom) + 18px));
    width: clamp(118px, 24vw, 156px);
    height: clamp(118px, 24vw, 156px);
    pointer-events: auto;
    touch-action: none;
}

#joystickBase {
    position: absolute;
    inset: 0;
    border: 3px solid rgba(236, 240, 241, 0.55);
    border-radius: 50%;
    background: rgba(10, 10, 30, 0.55);
    box-shadow: inset 0 0 18px rgba(255,255,255,0.08), 0 6px 18px rgba(0,0,0,0.35);
}

#joystickBase::before,
#joystickBase::after {
    content: "";
    position: absolute;
    background: rgba(236, 240, 241, 0.22);
}

#joystickBase::before {
    left: 50%;
    top: 14px;
    bottom: 14px;
    width: 3px;
    transform: translateX(-50%);
}

#joystickBase::after {
    top: 50%;
    left: 14px;
    right: 14px;
    height: 3px;
    transform: translateY(-50%);
}

#joystickThumb {
    position: absolute;
    left: 50%;
    top: 50%;
    width: clamp(46px, 9vw, 62px);
    height: clamp(46px, 9vw, 62px);
    border: 3px solid #f1c40f;
    border-radius: 50%;
    background: rgba(233, 69, 96, 0.92);
    box-shadow: 0 4px 0 #a3233f, 0 0 18px rgba(241, 196, 15, 0.35);
    transform: translate(-50%, -50%) translate(0, 0);
    transition: transform 0.08s ease-out;
}

#joystickZone.active #joystickThumb {
    transition: none;
}

#driftTouchBtn {
    position: absolute;
    top: auto;
    right: max(20px, env(safe-area-inset-right));
    bottom: max(30px, calc(env(safe-area-inset-bottom) + 26px));
    width: clamp(86px, 17vw, 116px);
    height: clamp(86px, 17vw, 116px);
    padding: 0;
    border: 3px solid rgba(255,255,255,0.38);
    border-radius: 50%;
    font-size: clamp(0.48rem, 1.7vw, 0.68rem);
    line-height: 1.4;
    pointer-events: auto;
    touch-action: none;
    box-shadow: 0 6px 0 #0a2040, 0 6px 18px rgba(0,0,0,0.32);
    background: rgba(15, 52, 96, 0.92);
}

#driftTouchBtn:hover:not(:disabled),
#driftTouchBtn:active:not(:disabled),
#driftTouchBtn.active {
    top: auto;
    background: #e94560;
    box-shadow: 0 3px 0 #a3233f, 0 0 20px rgba(233, 69, 96, 0.42);
}

#debugPanel {
    position: absolute;
    bottom: 24px;
    right: 16px;
    background: rgba(0, 10, 0, 0.85);
    padding: 12px;
    border-radius: 4px;
    font-size: 0.55rem;
    color: #2ecc71;
    border: 2px solid #2ecc71;
    box-shadow: 0 0 10px rgba(46, 204, 113, 0.15);
    pointer-events: auto;
}

.debug-title {
    color: #f1c40f;
    margin-bottom: 6px;
    border-bottom: 2px solid #1a3a1a;
    padding-bottom: 4px;
    font-size: 0.5rem;
}

.ui-buttons {
    position: absolute;
    top: 16px;
    right: 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    pointer-events: auto;
    z-index: 10;
}

#restartBtn, #changeCarBtn {
    position: relative;
    font-size: 0.6rem;
    padding: 10px 16px;
    width: 100%;
}

#restartBtn {
    background: #e94560;
    box-shadow: 0 4px 0 #a3233f;
}

#restartBtn:hover {
    background: #c0392b;
}

#changeCarBtn {
    font-size: 0.55rem;
    padding: 8px 14px;
    background: #0f3460;
    box-shadow: 0 4px 0 #0a2040;
}

#changeCarBtn:hover {
    background: #1a4a7a;
}

/* Responsive */
@media (max-width: 900px) {
    h1 { font-size: 1.2rem; }
    p { font-size: 0.6rem; }
    .panel { padding: 1.5rem; }

    .car-card { width: 180px; padding: 10px; }
    .car-card h3 { font-size: 0.55rem; }
    .car-stats { font-size: 0.45rem; }

    #hud {
        font-size: 0.55rem;
        padding: 12px;
        top: 8px;
        left: 8px;
    }
    .hud-value { font-size: 0.6rem; }
    #driftScoreContainer { font-size: 0.6rem !important; }
    #driftScoreContainer .hud-value { font-size: 0.65rem; }

    .ui-buttons {
        top: 8px;
        right: 8px;
        gap: 5px;
    }

    #restartBtn, #changeCarBtn {
        padding: 7px 10px;
        font-size: 0.5rem;
    }

    #controlsInfo {
        font-size: 0.45rem;
        width: 92%;
        text-align: center;
        bottom: 8px;
        white-space: normal;
    }

    #debugPanel {
        font-size: 0.45rem;
        bottom: 50px;
        right: 8px;
        padding: 8px;
    }
}

@media (hover: none) and (pointer: coarse), (max-width: 760px) {
    #touchControls {
        display: block;
    }

    #controlsInfo {
        display: none;
    }
}

@media (max-height: 520px) {
    #hud {
        display: grid;
        grid-template-columns: repeat(2, max-content);
        column-gap: 12px;
        row-gap: 6px;
    }

    #hud div {
        margin-bottom: 0;
    }

    #driftScoreContainer {
        margin-top: 0 !important;
    }

    .ui-buttons {
        flex-direction: row;
    }

    #joystickZone {
        width: clamp(96px, 24vh, 124px);
        height: clamp(96px, 24vh, 124px);
        bottom: max(12px, calc(env(safe-area-inset-bottom) + 10px));
    }

    #driftTouchBtn {
        width: clamp(72px, 18vh, 94px);
        height: clamp(72px, 18vh, 94px);
        bottom: max(16px, calc(env(safe-area-inset-bottom) + 14px));
    }
}

@media (max-width: 500px) {
    h1 { font-size: 0.9rem; }
    .panel { padding: 1rem; width: 96%; }
    .game-logo {
        width: 86px;
        height: 86px;
        margin-bottom: 0.75rem;
    }
    .car-container { gap: 10px; }
    .car-card { width: min(140px, 44vw); padding: 8px; }
    .car-card h3 { font-size: 0.45rem; }
    button { font-size: 0.6rem; padding: 10px 16px; }

    #hud {
        max-width: calc(100vw - 124px);
        font-size: 0.48rem;
        line-height: 1.45;
    }
}