:root {
    --bg-dark: #0a0a0c;
    --primary: #ff4d4d;
    --secondary: #4d94ff;
    --accent: #ffd700;
    --text: #ffffff;
    --panel-bg: rgba(255, 255, 255, 0.05);
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text);
    font-family: 'Outfit', sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    overflow: hidden;
}

.game-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    width: 100%;
    max-width: 1000px;
    padding: 20px;
}

header {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    background: var(--panel-bg);
    padding: 15px 30px;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

h1 {
    font-size: 1.5rem;
    letter-spacing: 2px;
    background: linear-gradient(45deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 700;
}

.scoreboard {
    font-size: 2rem;
    font-weight: 700;
    font-family: 'Courier New', Courier, monospace;
}

.home-link {
    color: #000;
    background: var(--accent);
    border-radius: 6px;
    padding: 8px 12px;
    font-size: 0.9rem;
    font-weight: 700;
    text-decoration: none;
    white-space: nowrap;
}

.home-link:hover {
    filter: brightness(1.08);
}

#player-score { color: var(--secondary); }
#opponent-score { color: var(--primary); }

#game-container {
    width: min(800px, calc(100vw - 24px));
    aspect-ratio: 4 / 3;
    height: auto;
    background: #000;
    border-radius: 12px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
    margin: 0 auto;
    overflow: hidden;
    border: 4px solid #333;
}

footer {
    width: 100%;
}

.controls-hint {
    margin-top: 20px;
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    justify-content: center;
    width: min(800px, calc(100vw - 24px));
}

#debug-panel{
    position: absolute;
    top: 92px;
    right: 16px;
    width: 300px;
    max-height: 420px;
    overflow: auto;
    white-space: pre-wrap;
    font-family: Consolas, monospace;
    font-size: 12px;
    line-height: 1.25;
    color: #e8f0ff;
    background: rgba(0,0,0,0.55);
    border: 1px solid rgba(255,255,255,0.18);
    border-radius: 10px;
    padding: 10px 12px;
    z-index: 9999;
    pointer-events: auto;
    user-select: text;
}

.key-hint {
    background: var(--panel-bg);
    padding: 8px 15px;
    border-radius: 8px;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 10px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.key-hint .key {
    background: var(--accent);
    color: #000;
    padding: 2px 8px;
    border-radius: 4px;
    font-weight: 700;
    text-transform: uppercase;
}

canvas {
    display: block;
    width: 100%;
    height: 100%;
}

@media (max-width: 840px) {
    body {
        align-items: flex-start;
        overflow: auto;
    }

    .game-wrapper {
        gap: 12px;
        padding: 12px;
    }

    header {
        padding: 10px 14px;
        border-radius: 10px;
    }

    h1 {
        font-size: 1.1rem;
    }

    .scoreboard {
        font-size: 1.45rem;
    }

    .home-link {
        padding: 7px 9px;
        font-size: 0.75rem;
    }

    .controls-hint {
        gap: 8px;
        margin-top: 4px;
    }

    .key-hint {
        padding: 7px 9px;
        font-size: 0.78rem;
        gap: 6px;
    }
}

/* Mobile landscape support */
#game-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    width: 100%;
    max-width: 1000px;
    padding: 20px;
}

.score-container {
    font-size: 2rem;
    font-weight: 700;
    font-family: 'Courier New', Courier, monospace;
}

.controls-guide {
    margin-top: 20px;
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    justify-content: center;
    width: min(800px, calc(100vw - 24px));
}

.control-item {
    background: var(--panel-bg);
    padding: 8px 15px;
    border-radius: 8px;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 10px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.control-item span {
    background: var(--accent);
    color: #000;
    padding: 2px 8px;
    border-radius: 4px;
    font-weight: 700;
    text-transform: uppercase;
}

#rotate-device {
    display: none;
}

#fullscreen-button {
    color: #000;
    background: var(--accent);
    border: 0;
    border-radius: 6px;
    padding: 8px 12px;
    font-family: inherit;
    font-size: 0.82rem;
    font-weight: 700;
    cursor: pointer;
    white-space: nowrap;
}

#fullscreen-button:hover {
    filter: brightness(1.08);
}

.mobile-touch-controls {
    display: none;
}

@media (hover: none) and (pointer: coarse) {
    html,
    body {
        width: 100%;
        min-height: 100%;
        overscroll-behavior: none;
        touch-action: manipulation;
    }

    body {
        align-items: center;
        overflow: hidden;
        min-height: 100dvh;
    }

    #game-wrapper {
        width: 100vw;
        height: 100dvh;
        max-width: none;
        padding: max(6px, env(safe-area-inset-top)) max(8px, env(safe-area-inset-right)) max(6px, env(safe-area-inset-bottom)) max(8px, env(safe-area-inset-left));
        gap: 6px;
        justify-content: center;
    }

    header {
        width: min(800px, calc(100vw - 16px));
        padding: 6px 10px;
        border-radius: 8px;
    }

    h1 {
        font-size: 0.95rem;
        letter-spacing: 0;
    }

    .score-container {
        font-size: 1.25rem;
    }

    #game-container {
        width: min(calc((100dvh - 86px) * 1.333333), calc(100vw - 16px));
        max-height: calc(100dvh - 86px);
        border-width: 2px;
        border-radius: 8px;
        box-shadow: none;
    }

    footer {
        display: none;
    }
}

@media (hover: none) and (pointer: coarse) and (orientation: landscape) {
    body {
        justify-content: center;
    }

    #game-wrapper {
        display: grid;
        grid-template-columns: 126px minmax(0, auto) 124px;
        align-items: center;
        justify-content: center;
        column-gap: 8px;
    }

    header {
        grid-column: 3;
        grid-row: 1;
        width: 124px;
        height: min(100%, 100dvh - 12px);
        align-self: stretch;
        flex-direction: column;
        justify-content: center;
        gap: 10px;
        padding: 8px 6px;
    }

    h1 {
        display: none;
    }

    #game-ui {
        width: 100%;
    }

    .score-container {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 2px;
        width: 100%;
        font-size: 1.6rem;
        line-height: 1;
    }

    #fullscreen-button {
        width: 100%;
        min-height: 50px;
        padding: 8px 5px;
        font-size: 0.68rem;
        line-height: 1.15;
        white-space: normal;
    }

    #game-container {
        grid-column: 2;
        grid-row: 1;
        width: min(calc((100dvh - 12px) * 1.333333), calc(100vw - 282px));
        max-height: calc(100dvh - 12px);
    }

    .mobile-touch-controls {
        display: block;
        touch-action: none;
        user-select: none;
        -webkit-user-select: none;
        -webkit-tap-highlight-color: transparent;
    }

    .mobile-dpad {
        grid-column: 1;
        grid-row: 1;
        position: relative;
        width: 120px;
        height: 120px;
        align-self: end;
        justify-self: center;
        margin-bottom: 8px;
        border-radius: 50%;
        background: rgba(7, 17, 31, 0.72);
        border: 2px solid rgba(255, 255, 255, 0.28);
        box-shadow: inset 0 0 0 1px rgba(77, 148, 255, 0.25);
    }

    .mobile-dpad::after {
        content: "";
        position: absolute;
        left: 50%;
        top: 50%;
        width: 34px;
        height: 34px;
        transform: translate(-50%, -50%);
        border-radius: 50%;
        background: rgba(255, 255, 255, 0.08);
        border: 1px solid rgba(255, 255, 255, 0.18);
    }

    .mobile-dir-btn,
    .mobile-action-btn {
        border: 0;
        color: #fff;
        font-family: inherit;
        font-weight: 700;
        cursor: pointer;
        touch-action: none;
    }

    .mobile-dir-btn {
        position: absolute;
        width: 54px;
        height: 54px;
        border-radius: 50%;
        background: rgba(47, 125, 255, 0.2);
        font-size: 1.7rem;
        line-height: 1;
    }

    .mobile-dir-btn:active,
    .mobile-dir-btn.is-pressed,
    .mobile-action-btn:active,
    .mobile-action-btn.is-pressed {
        background: rgba(47, 125, 255, 0.84);
    }

    .mobile-dir-up {
        left: 33px;
        top: 2px;
    }

    .mobile-dir-down {
        left: 33px;
        bottom: 2px;
    }

    .mobile-dir-left {
        left: 2px;
        top: 33px;
    }

    .mobile-dir-right {
        right: 2px;
        top: 33px;
    }

    .mobile-action-pad {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 7px;
        width: 100%;
        margin-top: 2px;
    }

    .mobile-action-btn {
        min-height: 46px;
        border-radius: 8px;
        background: rgba(7, 17, 31, 0.82);
        border: 2px solid rgba(255, 255, 255, 0.28);
        box-shadow: inset 0 0 0 1px rgba(77, 148, 255, 0.18);
        font-size: 0.66rem;
        line-height: 1.05;
    }

    .mobile-action-btn[data-action="jump"],
    .mobile-action-btn[data-action="action"] {
        grid-column: 1 / -1;
        width: 68%;
        justify-self: center;
    }
}

@media (hover: none) and (pointer: coarse) and (orientation: portrait) {
    #rotate-device {
        position: fixed;
        inset: 0;
        z-index: 10000;
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 24px;
        text-align: center;
        background: #0a0a0c;
        color: #fff;
    }

    .rotate-device-content {
        display: flex;
        flex-direction: column;
        gap: 10px;
        max-width: 280px;
        line-height: 1.35;
    }

    .rotate-device-content strong {
        font-size: 1.5rem;
        color: var(--accent);
    }

    .rotate-device-content span {
        font-size: 0.95rem;
        opacity: 0.88;
    }

    #game-wrapper {
        visibility: hidden;
        pointer-events: none;
    }
}