.game-page {
    background:
        radial-gradient(circle at 20% 0%, rgba(192, 57, 43, 0.18) 0%, transparent 45%),
        radial-gradient(circle at 80% 10%, rgba(230, 126, 34, 0.12) 0%, transparent 40%),
        #080605;
    min-height: 100vh;
}

.game-page::before,
.game-page::after {
    content: none;
}

.game-page .navbar {
    border-bottom: 2px solid rgba(230, 126, 34, 0.7);
}

.game-page .nav-link.active {
    color: var(--sunset-orange);
}

.game-page .nav-link.active::after {
    width: 100%;
}

.game-main {
    padding-bottom: 70px;
}

.runner-section {
    padding-top: 45px;
    padding-bottom: 80px;
    background: transparent;
}

.game-title {
    font-size: clamp(2.4rem, 6vw, 4.4rem);
    margin-bottom: 12px;
}

.game-title::after {
    width: 150px;
}

.game-subtitle {
    text-align: center;
    color: var(--desert-sand);
    margin-bottom: 30px;
    font-size: 1.05rem;
    letter-spacing: 0.06em;
}

.game-shell {
    background: rgba(15, 11, 9, 0.88);
    border: 2px solid rgba(230, 126, 34, 0.45);
    border-radius: 18px;
    padding: 20px;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
}

.game-hud {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
    margin-bottom: 16px;
}

.hud-item {
    background: linear-gradient(180deg, rgba(62, 39, 35, 0.75) 0%, rgba(26, 20, 16, 0.85) 100%);
    border: 1px solid rgba(212, 165, 116, 0.32);
    border-radius: 12px;
    padding: 10px 12px;
    text-align: center;
}

.hud-label {
    display: block;
    font-family: 'Bebas Neue', sans-serif;
    letter-spacing: 0.09em;
    color: rgba(244, 232, 208, 0.85);
    font-size: 0.95rem;
}

.hud-item strong {
    display: block;
    margin-top: 2px;
    color: var(--old-paper);
    font-size: 1.2rem;
    letter-spacing: 0.03em;
}

#hudLives {
    color: #ff6666;
}

.game-canvas-wrap {
    position: relative;
    border: 3px solid rgba(230, 126, 34, 0.5);
    border-radius: 16px;
    overflow: hidden;
    background: #050404;
    touch-action: manipulation;
    user-select: none;
    width: 100%;
    aspect-ratio: 1000 / 470;
    min-height: 320px;
}

#gameCanvas {
    display: block;
    width: 100%;
    height: 100%;
    background: #050404;
}

.game-overlay {
    position: absolute;
    inset: 0;
    display: none;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    text-align: center;
    padding: 24px;
    background: rgba(9, 6, 6, 0.78);
    z-index: 5;
}

.game-overlay.is-active {
    display: flex;
}

#titleScreen {
    justify-content: flex-end;
    padding-bottom: 20px;
    background: rgba(0, 0, 0, 0.38);
}

#titleScreen::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        rgba(7, 5, 5, 0.2) 0%,
        rgba(7, 5, 5, 0.12) 50%,
        rgba(7, 5, 5, 0.72) 100%
    );
    z-index: 1;
}

.title-screen-image {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
}

.insert-coin,
.insert-help {
    position: relative;
    z-index: 2;
}

.title-game-name {
    position: absolute;
    top: 8%;
    left: 50%;
    transform: translateX(-50%);
    width: min(92%, 760px);
    z-index: 2;
    margin-bottom: 0;
    padding: 10px 14px;
    font-family: 'Press Start 2P', 'Courier New', monospace;
    font-size: clamp(0.72rem, 1.7vw, 1.05rem);
    letter-spacing: 0.04em;
    line-height: 1.5;
    color: #f7ead3;
    text-shadow: 0 0 16px rgba(192, 57, 43, 0.75);
    border: 1px solid rgba(244, 232, 208, 0.48);
    background: rgba(8, 8, 8, 0.58);
}

.insert-coin {
    font-family: 'Press Start 2P', 'Courier New', monospace;
    color: #f7ead3;
    font-size: clamp(0.72rem, 1.9vw, 1.1rem);
    line-height: 1.5;
    padding: 12px 14px;
    background: rgba(8, 8, 8, 0.64);
    border: 1px solid rgba(244, 232, 208, 0.55);
    text-shadow: 0 0 12px rgba(230, 126, 34, 0.7);
    letter-spacing: 0.05em;
    animation: coinBlink 1s steps(2, end) infinite;
    margin-bottom: 4px;
}

.insert-help {
    margin-top: 12px;
    font-size: 0.95rem;
    color: rgba(244, 232, 208, 0.95);
}

@keyframes coinBlink {
    0%, 49% {
        opacity: 1;
    }
    50%, 100% {
        opacity: 0.2;
    }
}

#transitionOverlay h2 {
    font-family: 'Press Start 2P', 'Courier New', monospace;
    color: #f7ead3;
    font-size: clamp(1rem, 2.8vw, 2rem);
    line-height: 1.5;
    text-shadow: 0 0 22px rgba(230, 126, 34, 0.9);
}

.loading-card {
    max-width: 520px;
    width: min(520px, 96%);
    background: rgba(8, 8, 8, 0.82);
    border: 2px solid rgba(244, 232, 208, 0.52);
    border-radius: 14px;
    padding: 20px 16px;
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.45);
}

#loadingText {
    margin: 0;
    font-family: 'Press Start 2P', 'Courier New', monospace;
    color: #f7ead3;
    font-size: clamp(0.84rem, 2.2vw, 1.3rem);
    line-height: 1.5;
    text-shadow: 0 0 16px rgba(230, 126, 34, 0.75);
}

#loadingMeta {
    margin: 12px 0 0;
    color: rgba(244, 232, 208, 0.9);
    font-size: clamp(0.82rem, 1.7vw, 0.98rem);
}

.game-over-card {
    max-width: 430px;
    width: min(430px, 95%);
    background: rgba(12, 10, 9, 0.94);
    border: 2px solid rgba(230, 126, 34, 0.75);
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5);
}

.game-over-card h2 {
    font-family: 'Press Start 2P', 'Courier New', monospace;
    color: #f7ead3;
    font-size: 1.1rem;
    margin-bottom: 16px;
}

.game-over-card p {
    margin-bottom: 10px;
    color: var(--old-paper);
}

#scoreForm {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 10px;
}

#nicknameInput {
    border: 2px solid rgba(212, 165, 116, 0.7);
    border-radius: 10px;
    background: rgba(0, 0, 0, 0.45);
    color: var(--old-paper);
    font-size: 1rem;
    padding: 12px;
    font-family: 'Special Elite', 'Courier New', monospace;
    outline: none;
}

#nicknameInput:focus {
    border-color: var(--sunset-orange);
    box-shadow: 0 0 0 3px rgba(230, 126, 34, 0.25);
}

.touch-hint {
    margin-top: 12px;
    text-align: center;
    color: rgba(244, 232, 208, 0.85);
    font-size: 0.95rem;
}

.leaderboard-panel {
    margin-top: 30px;
    background: rgba(15, 11, 9, 0.85);
    border: 2px solid rgba(212, 165, 116, 0.35);
    border-radius: 16px;
    padding: 18px;
}

.leaderboard-title {
    font-size: clamp(1.8rem, 4.5vw, 2.8rem);
    margin-bottom: 20px;
}

.leaderboard-list {
    list-style: none;
    display: grid;
    gap: 8px;
    padding: 0;
    margin: 0;
}

.leaderboard-list li {
    display: grid;
    grid-template-columns: 48px 1fr auto;
    gap: 10px;
    align-items: center;
    padding: 10px 12px;
    border-radius: 10px;
    border: 1px solid rgba(212, 165, 116, 0.25);
    background: linear-gradient(180deg, rgba(62, 39, 35, 0.62) 0%, rgba(26, 20, 16, 0.65) 100%);
}

.leaderboard-rank {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 1.1rem;
    color: var(--sunset-orange);
    letter-spacing: 0.1em;
}

.leaderboard-name {
    color: var(--old-paper);
    font-size: 1rem;
}

.leaderboard-score {
    color: var(--gold-accent);
    font-size: 1rem;
    letter-spacing: 0.05em;
}

.leaderboard-empty {
    text-align: center;
    color: rgba(244, 232, 208, 0.75);
    padding: 12px;
}

@media (max-width: 900px) {
    .runner-section .container {
        padding: 0 12px;
    }

    .game-hud {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 10px;
    }

    .game-shell {
        padding: 14px;
    }

    .game-canvas-wrap {
        aspect-ratio: 16 / 9;
        min-height: 260px;
    }
}

@media (max-width: 768px) {
    .runner-section {
        padding-top: 25px;
    }

    .game-title {
        font-size: clamp(2.2rem, 10vw, 3rem);
    }

    .hud-item {
        padding: 10px 10px;
    }

    .hud-label {
        font-size: 0.92rem;
    }

    .hud-item strong {
        font-size: 1.15rem;
    }

    .game-canvas-wrap {
        aspect-ratio: 4 / 3;
        min-height: clamp(260px, 58vw, 360px);
    }

    .title-game-name {
        top: 6%;
        font-size: clamp(0.62rem, 2.65vw, 0.9rem);
        line-height: 1.45;
    }

    .insert-coin {
        font-size: clamp(0.62rem, 2.85vw, 0.95rem);
        line-height: 1.55;
        padding: 10px 10px;
    }

    .insert-help {
        font-size: 0.9rem;
        margin-top: 8px;
    }

    .game-over-card {
        padding: 18px;
    }

    .leaderboard-list li {
        grid-template-columns: 42px 1fr auto;
    }
}

@media (max-width: 480px) {
    .runner-section .container {
        padding: 0 8px;
    }

    .game-title {
        font-size: 2rem;
        margin-bottom: 10px;
    }

    .game-shell {
        padding: 10px;
        border-radius: 12px;
    }

    .game-hud {
        gap: 8px;
        margin-bottom: 12px;
    }

    .hud-item {
        padding: 8px 8px;
        border-radius: 9px;
    }

    .hud-label {
        font-size: 0.86rem;
    }

    .hud-item strong {
        font-size: 1.05rem;
    }

    .game-canvas-wrap {
        border-width: 2px;
        border-radius: 12px;
        aspect-ratio: 4 / 3;
        min-height: 250px;
    }

    .title-game-name {
        top: 5%;
        font-size: 0.58rem;
        padding: 8px 8px;
    }

    .insert-coin {
        font-size: 0.56rem;
        padding: 8px 8px;
    }

    .insert-help {
        font-size: 0.78rem;
        line-height: 1.4;
    }

    .touch-hint {
        font-size: 0.82rem;
        margin-top: 10px;
    }

    .leaderboard-panel {
        margin-top: 18px;
        padding: 12px;
    }

    .leaderboard-title {
        font-size: 1.6rem;
        margin-bottom: 12px;
    }

    .leaderboard-list li {
        grid-template-columns: 40px 1fr auto;
        gap: 8px;
        padding: 8px 9px;
    }
}