:root {
    --accent: #7ae8ff;
    --accent-soft: rgba(122, 232, 255, 0.22);
    --panel: rgba(7, 13, 27, 0.8);
    --panel-border: rgba(255, 255, 255, 0.1);
    --text: #f7f9ff;
    --muted: rgba(228, 236, 255, 0.72);
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    min-height: 100%;
    font-family: "Avenir Next", "Segoe UI", "Trebuchet MS", sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at top, rgba(100, 150, 255, 0.18), transparent 26%),
        radial-gradient(circle at bottom, var(--accent-soft), transparent 34%),
        linear-gradient(180deg, #0d1322, #080d18 58%, #03050c);
    user-select: none;
    -webkit-user-select: none;
    touch-action: manipulation;
}

body {
    min-height: 100dvh;
}

.controller-shell {
    min-height: 100dvh;
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.hero-card,
.player-card,
.meta-row,
.game-over-sheet .sheet-card {
    background: var(--panel);
    border: 1px solid var(--panel-border);
    box-shadow: 0 24px 70px rgba(0, 0, 0, 0.36);
    backdrop-filter: blur(18px);
}

.hero-card {
    padding: 14px 16px;
    border-radius: 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.eyebrow,
.meta-label,
.leaderboard-title,
.sheet-title {
    text-transform: uppercase;
    letter-spacing: 0.2em;
}

.eyebrow,
.meta-label,
.leaderboard-title {
    font-size: 11px;
    color: var(--accent);
}

.hero-card h1 {
    margin: 6px 0 0;
    font-size: clamp(28px, 7vw, 42px);
    line-height: 0.95;
}

.network-badge {
    padding: 8px 12px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 13px;
    font-weight: 700;
}

.player-card {
    padding: 14px 16px;
    border-radius: 22px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.player-heading {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
}

.player-label {
    font-size: 22px;
    font-weight: 900;
    line-height: 1;
}

.edit-name-btn {
    flex: 0 0 auto;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 999px;
    padding: 6px 11px;
    font: inherit;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.06em;
    color: var(--text);
    background: rgba(255, 255, 255, 0.06);
}

.edit-name-btn:disabled {
    opacity: 0.45;
}

.player-status {
    margin-top: 6px;
    color: var(--muted);
    font-size: 14px;
    line-height: 1.35;
}

.score-pill {
    flex: 0 0 auto;
    min-width: 86px;
    padding: 14px 12px;
    border-radius: 20px;
    text-align: center;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.03));
    border: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow: inset 0 0 26px rgba(255, 255, 255, 0.03);
}

#scoreValue {
    font-size: clamp(30px, 9vw, 48px);
    font-weight: 900;
    color: var(--accent);
    line-height: 1;
}

.controls-grid {
    flex: 1;
    min-height: 0;
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    grid-template-rows: repeat(2, minmax(88px, 1fr));
    gap: 10px;
    align-content: center;
}

.control-btn {
    border: 0;
    border-radius: 24px;
    color: var(--text);
    font: inherit;
    font-size: clamp(20px, 5vw, 28px);
    font-weight: 800;
    background:
        radial-gradient(circle at 30% 20%, rgba(255, 255, 255, 0.26), rgba(255, 255, 255, 0.02) 36%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.03)),
        rgba(7, 13, 27, 0.88);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow:
        0 20px 40px rgba(0, 0, 0, 0.24),
        inset 0 0 24px rgba(255, 255, 255, 0.03),
        0 0 36px rgba(122, 232, 255, 0.08);
    transition: transform 80ms ease, box-shadow 80ms ease, background-color 80ms ease;
}

.control-btn:active,
.control-btn.is-pressed {
    transform: scale(0.97);
    box-shadow:
        0 10px 24px rgba(0, 0, 0, 0.28),
        inset 0 0 28px rgba(255, 255, 255, 0.05),
        0 0 34px rgba(122, 232, 255, 0.18);
}

.move-btn {
    background-color: rgba(122, 232, 255, 0.06);
}

.action-btn {
    grid-column: 1 / span 3;
    background:
        radial-gradient(circle at 28% 22%, rgba(255, 255, 255, 0.26), rgba(255, 255, 255, 0.02) 36%),
        linear-gradient(135deg, rgba(255, 120, 88, 0.9), rgba(255, 160, 99, 0.72));
}

.soft-btn {
    grid-column: 3 / span 2;
    grid-row: 2;
    background:
        radial-gradient(circle at 28% 22%, rgba(255, 255, 255, 0.26), rgba(255, 255, 255, 0.02) 36%),
        linear-gradient(135deg, rgba(122, 232, 255, 0.3), rgba(104, 132, 255, 0.2));
}

.controls-grid [data-action="rotate"] {
    grid-column: 4 / span 3;
}

.controls-grid [data-action="left"] {
    grid-column: 1 / span 2;
    grid-row: 2;
}

.controls-grid [data-action="right"] {
    grid-column: 5 / span 2;
    grid-row: 2;
}

.meta-row {
    border-radius: 18px;
    overflow: hidden;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1px;
}

.meta-card {
    padding: 10px 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    background: rgba(255, 255, 255, 0.02);
}

.game-over-sheet {
    position: fixed;
    inset: 0;
    display: grid;
    place-items: center;
    padding: 18px;
    background: rgba(2, 5, 10, 0.72);
    backdrop-filter: blur(10px);
}

.game-over-sheet[hidden] {
    display: none !important;
}

.sheet-card {
    width: min(100%, 460px);
    max-height: min(90dvh, 760px);
    overflow: auto;
    padding: 18px;
    border-radius: 28px;
}

.sheet-title {
    color: var(--accent);
    font-size: 12px;
}

.sheet-copy {
    margin-top: 12px;
    color: var(--muted);
    line-height: 1.45;
}

.name-field {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 18px;
    color: var(--muted);
    font-size: 13px;
}

.name-field input {
    width: 100%;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 16px;
    padding: 14px 16px;
    font: inherit;
    font-size: 18px;
    color: var(--text);
    background: rgba(255, 255, 255, 0.05);
    outline: none;
}

.leaderboard-block {
    margin-top: 18px;
}

.leaderboard-list {
    margin-top: 10px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.leaderboard-row,
.leaderboard-empty {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 12px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.leaderboard-rank {
    width: 30px;
    color: rgba(255, 255, 255, 0.58);
    font-weight: 700;
}

.leaderboard-name {
    flex: 1 1 auto;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-weight: 700;
}

.leaderboard-score {
    font-weight: 800;
    color: var(--accent);
}

.leaderboard-empty {
    justify-content: center;
    color: rgba(255, 255, 255, 0.5);
}

.try-again-btn {
    width: 100%;
    margin-top: 18px;
    padding: 14px 16px;
    border: 0;
    border-radius: 18px;
    font: inherit;
    font-size: 20px;
    font-weight: 900;
    color: white;
    background: linear-gradient(135deg, #ff7e59, #ff5f87);
    box-shadow: 0 20px 40px rgba(255, 110, 110, 0.28);
}

@media (max-height: 760px) {
    .controls-grid {
        grid-template-rows: repeat(2, minmax(72px, 1fr));
    }
}