:root {
    --bg-start: #141823;
    --bg-end: #231a24;
    --panel: rgba(24, 29, 43, 0.8);
    --line-soft: rgba(255, 255, 255, 0.1);
    --text-main: #f8f2e5;
    --text-muted: rgba(248, 242, 229, 0.75);
    --accent-gold: #f7b955;
    --accent-aqua: #7bdcd6;
    --accent-coral: #ff7b61;
    --banner-bg: rgba(255, 255, 255, 0.08);
    --banner-border: rgba(255, 255, 255, 0.12);
    --banner-glow: rgba(255, 255, 255, 0);
    --shadow-strong: 0 26px 60px rgba(0, 0, 0, 0.4);
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    min-height: 100%;
}

body {
    display: flex;
    justify-content: center;
    padding: 18px;
    min-height: 100vh;
    font-family: "Trebuchet MS", "Gill Sans", sans-serif;
    color: var(--text-main);
    background:
        radial-gradient(circle at top right, rgba(123, 220, 214, 0.18), transparent 28%),
        radial-gradient(circle at bottom left, rgba(247, 185, 85, 0.16), transparent 32%),
        linear-gradient(155deg, var(--bg-start), var(--bg-end));
}

.shell {
    width: min(100%, 720px);
    display: grid;
    gap: 16px;
    align-self: stretch;
    min-height: 100%;
}

.hero-card,
.canvas-card,
.footer-card,
.score-table-card {
    border: 1px solid var(--line-soft);
    background: var(--panel);
    backdrop-filter: blur(16px);
    box-shadow: var(--shadow-strong);
}

.hero-card,
.canvas-card,
.footer-card,
.score-table-card {
    border-radius: 28px;
    padding: 20px;
}

.hero-topline {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: flex-start;
}

.hero-topline h1 {
    margin: 6px 0 0;
    letter-spacing: 0.03em;
}

.eyebrow {
    font-size: 0.76rem;
    letter-spacing: 0.17em;
    text-transform: uppercase;
    color: var(--accent-aqua);
}

.pill-group {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 8px;
}

.room-pill {
    display: inline-flex;
    align-items: center;
    min-height: 38px;
    padding: 9px 12px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-muted);
    border: 1px solid rgba(255, 255, 255, 0.12);
}

.status-text,
.footer-copy {
    margin: 14px 0 0;
    color: var(--text-muted);
    line-height: 1.5;
}

.name-field {
    display: grid;
    gap: 8px;
    margin-top: 18px;
}

.name-field input {
    width: 100%;
    min-height: 48px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 16px;
    background: rgba(8, 11, 18, 0.34);
    color: var(--text-main);
    padding: 0 14px;
    font: inherit;
}

.name-field input:focus {
    outline: 2px solid rgba(123, 220, 214, 0.45);
    outline-offset: 2px;
}

.canvas-card {
    padding: 18px;
    flex: 1 1 auto;
    min-height: 0;
}

#controlCanvas {
    width: 100%;
    display: block;
    aspect-ratio: 1 / 1;
    border-radius: 24px;
}

.feedback-banner {
    border-radius: 20px;
    border: 1px solid var(--banner-border);
    background: var(--banner-bg);
    color: var(--text-main);
    padding: 14px 16px;
    box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.02), 0 0 24px var(--banner-glow);
    transition: transform 150ms ease, box-shadow 150ms ease, border-color 150ms ease, background 150ms ease;
}

.feedback-banner.flash {
    transform: translateY(-2px);
}

.feedback-banner.is-success {
    --banner-bg: rgba(247, 185, 85, 0.18);
    --banner-border: rgba(247, 185, 85, 0.38);
    --banner-glow: rgba(247, 185, 85, 0.35);
}

.feedback-banner.is-error {
    --banner-bg: rgba(255, 123, 97, 0.16);
    --banner-border: rgba(255, 123, 97, 0.34);
    --banner-glow: rgba(255, 123, 97, 0.28);
}

.feedback-banner.is-neutral {
    --banner-bg: rgba(123, 220, 214, 0.12);
    --banner-border: rgba(123, 220, 214, 0.3);
    --banner-glow: rgba(123, 220, 214, 0.22);
}

.score-table-card {
    margin-top: auto;
    display: grid;
    gap: 12px;
}

.score-table-header {
    margin-bottom: 4px;
}

.scoreboard {
    display: grid;
    gap: 10px;
}

.score-empty {
    padding: 18px;
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-muted);
    line-height: 1.5;
}

.score-row {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 12px;
    padding: 11px 13px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.score-row.is-leading {
    background: linear-gradient(135deg, rgba(247, 185, 85, 0.22), rgba(255, 123, 97, 0.16));
    border-color: rgba(247, 185, 85, 0.35);
}

.score-rank {
    width: 34px;
    height: 34px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.12);
    color: var(--accent-gold);
    font-weight: 700;
}

.score-name {
    display: grid;
    gap: 2px;
}

.score-name strong {
    font-size: 1rem;
}

.score-name span {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.score-value {
    color: var(--accent-gold);
    font-size: 1.9rem;
    font-weight: 700;
}

@media (max-width: 640px) {
    body {
        padding: 12px;
    }

    .shell {
        gap: 12px;
    }

    .hero-card,
    .canvas-card,
    .footer-card,
    .score-table-card {
        border-radius: 22px;
        padding: 16px;
    }

    .hero-topline {
        flex-direction: column;
    }

    .pill-group {
        justify-content: flex-start;
    }
}