:root {
    --bg-top: #04060c;
    --bg-bottom: #170d17;
    --panel: rgba(16, 15, 24, 0.88);
    --panel-strong: rgba(12, 12, 19, 0.94);
    --panel-border: rgba(255, 255, 255, 0.08);
    --text: #f7efe7;
    --muted: #beb0a6;
    --accent: #e16b43;
    --gold: #e9bb70;
    --boss: #ff5e75;
    --font-display: "Cinzel", Georgia, serif;
    --font-body: "Manrope", "Segoe UI", sans-serif;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    color: var(--text);
    font-family: var(--font-body);
    background:
        radial-gradient(circle at top, rgba(225, 107, 67, 0.16), transparent 28%),
        radial-gradient(circle at 80% 18%, rgba(255, 94, 117, 0.14), transparent 18%),
        linear-gradient(180deg, var(--bg-top), var(--bg-bottom));
}

.game-shell {
    width: min(1380px, calc(100% - 24px));
    margin: 0 auto;
    padding: 18px 0 24px;
}

.game-header,
.hud-strip,
.game-nav,
.touch-shell,
.touch-pad,
.boss-bar-copy,
.overlay-actions,
.shop-offers {
    display: flex;
}

.game-header {
    justify-content: space-between;
    align-items: end;
    gap: 16px;
}

.eyebrow {
    margin: 0 0 8px;
    color: var(--gold);
    letter-spacing: 0.14em;
    text-transform: uppercase;
    font-size: 0.76rem;
}

h1,
h2 {
    margin: 0;
    font-family: var(--font-display);
}

h1 {
    font-size: clamp(2.2rem, 6vw, 4rem);
}

.game-nav {
    gap: 16px;
}

.game-nav a {
    color: var(--muted);
    text-decoration: none;
}

.hud-strip {
    gap: 12px;
    margin-top: 18px;
    flex-wrap: wrap;
}

.hud-chip,
.run-panel,
.canvas-shell,
.boss-bar,
.overlay-card {
    border: 1px solid var(--panel-border);
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent 36%),
        var(--panel);
    backdrop-filter: blur(12px);
}

.hud-chip {
    padding: 12px 14px;
    border-radius: 18px;
    display: grid;
    gap: 4px;
    min-width: 110px;
}

.hud-chip span {
    color: var(--gold);
    font-size: 0.74rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.hud-chip strong {
    font-size: 0.96rem;
}

.hud-chip.wide {
    min-width: min(440px, 100%);
    flex: 1 1 320px;
}

.boss-bar {
    margin-top: 14px;
    padding: 12px 16px;
    border-radius: 20px;
}

.boss-bar.is-hidden,
.overlay-card.is-hidden {
    display: none;
}

.boss-bar-copy {
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    margin-bottom: 10px;
}

.boss-bar-copy span {
    font-family: var(--font-display);
    font-size: 1rem;
    letter-spacing: 0.06em;
}

.boss-bar-copy strong {
    color: var(--boss);
}

.boss-bar-track {
    height: 12px;
    border-radius: 999px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.08);
}

.boss-bar-fill {
    height: 100%;
    width: 0;
    border-radius: inherit;
    background: linear-gradient(90deg, #ff9d61, #ff5e75);
    transition: width 140ms ease;
}

.canvas-shell {
    position: relative;
    margin-top: 18px;
    border-radius: 28px;
    padding: 18px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 290px;
    gap: 18px;
}

#gameCanvas {
    width: 100%;
    aspect-ratio: 3 / 2;
    border-radius: 22px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: linear-gradient(180deg, rgba(8, 10, 17, 0.9), rgba(20, 10, 19, 0.9));
    box-shadow: 0 24px 50px rgba(0, 0, 0, 0.32);
}

.run-panel {
    border-radius: 22px;
    padding: 16px;
    display: grid;
    align-content: start;
    gap: 16px;
}

.panel-block {
    display: grid;
    gap: 10px;
}

.panel-block h2 {
    font-size: 1rem;
}

.panel-block ul {
    margin: 0;
    padding-left: 18px;
    color: var(--muted);
    line-height: 1.6;
}

#runStateCopy,
#shopSummary {
    margin: 0;
    color: var(--muted);
    line-height: 1.6;
}

.touch-shell {
    display: none;
}

.overlay-card {
    position: fixed;
    inset: 0;
    z-index: 12;
    display: grid;
    place-items: center;
    padding: 24px;
    background: rgba(5, 6, 12, 0.74);
}

.overlay-copy {
    width: min(560px, 100%);
    padding: 28px;
    border-radius: 28px;
    border: 1px solid var(--panel-border);
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.05), transparent 40%),
        var(--panel-strong);
    box-shadow: 0 22px 46px rgba(0, 0, 0, 0.38);
}

.overlay-copy p {
    color: var(--muted);
    line-height: 1.6;
}

.overlay-actions,
.shop-offers {
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 16px;
}

.overlay-button,
.shop-offer button {
    border: 0;
    border-radius: 999px;
    padding: 12px 18px;
    font: inherit;
    font-weight: 800;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    cursor: pointer;
    color: #1b0d0a;
    background: linear-gradient(135deg, #f0c98c, #e16b43);
}

.overlay-button.ghost {
    color: var(--text);
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.06);
    text-decoration: none;
}

.shop-offer {
    flex: 1 1 160px;
    min-width: 150px;
    padding: 14px;
    border-radius: 18px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.03);
}

.shop-offer h3 {
    margin: 0 0 6px;
    font-size: 1rem;
}

.shop-offer p {
    margin: 0 0 12px;
    font-size: 0.92rem;
}

@media (max-width: 960px) {
    .canvas-shell {
        grid-template-columns: 1fr;
    }

    .run-panel {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 720px) {
    .game-shell {
        width: min(100%, calc(100% - 16px));
        padding-top: 12px;
    }

    .game-header {
        flex-direction: column;
        align-items: stretch;
    }

    .canvas-shell {
        padding: 12px;
        border-radius: 22px;
    }

    .run-panel {
        display: none;
    }

    .touch-shell {
        display: flex;
        justify-content: space-between;
        gap: 16px;
        margin-top: 16px;
    }

    .touch-pad {
        gap: 12px;
    }

    .touch-pad button {
        min-width: 84px;
        min-height: 72px;
        border-radius: 24px;
        border: 1px solid rgba(255, 255, 255, 0.12);
        background: rgba(15, 14, 22, 0.92);
        color: var(--text);
        font-weight: 800;
        letter-spacing: 0.06em;
        text-transform: uppercase;
    }

    .touch-pad-actions button {
        min-width: 96px;
    }

    .overlay-copy {
        padding: 22px;
    }
}