:root {
    --bg: #0b0c10;
    --panel: #141622;
    --panel2: #10121b;
    --text: #f2f4ff;
    --muted: #a8b0d6;
    --border: #272b3f;
    --accent: #7c4dff;
    --good: #7CFFB2;
    --bad: #FF7C9A;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
    background: radial-gradient(1000px 600px at 20% 0%, #1a1440 0%, var(--bg) 55%);
    color: var(--text);
}

.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 22px;
    border-bottom: 1px solid var(--border);
    background: rgba(11, 12, 16, 0.6);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 5;
}

.brand__title {
    font-weight: 800;
    letter-spacing: 0.08em;
    font-size: 18px;
}

.brand__subtitle {
    color: var(--muted);
    font-size: 12px;
    margin-top: 2px;
}

.container {
    max-width: 1020px;
    margin: 0 auto;
    padding: 18px;
}

.footer {
    border-top: 1px solid var(--border);
    padding: 16px 22px;
    color: var(--muted);
    font-size: 12px;
}

.link {
    color: var(--text);
    text-decoration: none;
    opacity: 0.9;
}

.link:hover {
    opacity: 1;
    text-decoration: underline;
}

.card {
    background: linear-gradient(180deg, rgba(20, 22, 34, 0.9), rgba(16, 18, 27, 0.9));
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 14px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
    margin-bottom: 14px;
}

.card__title {
    font-size: 12px;
    color: var(--muted);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 10px;
}

/* TOP HUD */
.topbar {
    background: linear-gradient(180deg, rgba(20, 22, 34, 0.92), rgba(16, 18, 27, 0.92));
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 14px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
    margin-bottom: 14px;
}

.topbar__row {
    display: grid;
    grid-template-columns: 140px 1fr 140px;
    gap: 14px;
    align-items: center;
}

@media (max-width: 900px) {
    .topbar__row {
        grid-template-columns: 1fr;
    }
}

.kicker {
    font-size: 11px;
    color: var(--muted);
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.value {
    font-weight: 900;
    font-size: 20px;
    margin-top: 4px;
}

.meter {
    display: flex;
    align-items: center;
    gap: 10px;
}

.meter__bar {
    flex: 1;
    height: 14px;
    border-radius: 999px;
    background: #0a0b12;
    border: 1px solid var(--border);
    overflow: hidden;
}

.meter__fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent), #ff4dd8);
    box-shadow: 0 0 18px rgba(124, 77, 255, 0.55);
}

.meter__label {
    font-variant-numeric: tabular-nums;
    color: var(--muted);
    font-size: 12px;
    width: 70px;
    text-align: right;
}

.meter--big .meter__bar {
    height: 18px;
}

.reaction {
    margin-top: 12px;
    padding: 10px;
    border-radius: 12px;
    background: rgba(124, 77, 255, 0.10);
    border: 1px solid rgba(124, 77, 255, 0.25);
    color: #f2f4ff;
}

/* RINGS */
.rings {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

@media (max-width: 900px) {
    .rings {
        grid-template-columns: repeat(2, 1fr);
    }
}

.ring {
    position: relative;
    border-radius: 14px;
    padding: 12px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.03);
    display: grid;
    justify-items: center;
    gap: 8px;
    min-height: 176px;
}

.ring__svg {
    width: 120px;
    height: 120px;
    transform: rotate(-90deg);
}

.ring__bg {
    fill: none;
    stroke: rgba(255, 255, 255, 0.08);
    stroke-width: 12;
}

.ring__fg {
    fill: none;
    stroke: var(--accent);
    stroke-width: 12;
    stroke-linecap: round;
    stroke-dasharray: 289;
    stroke-dashoffset: 289;
    filter: drop-shadow(0 0 10px rgba(124, 77, 255, 0.25));
}

.ring__center {
    position: absolute;
    top: 50%;
    transform: translateY(-58%);
    text-align: center;
}

.ring__value {
    font-weight: 900;
    font-size: 18px;
    font-variant-numeric: tabular-nums;
}

.ring__label {
    margin-top: 2px;
    font-size: 11px;
    color: var(--muted);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.ring__delta {
    margin-top: 6px;
    font-size: 12px;
    font-weight: 900;
    font-variant-numeric: tabular-nums;
}

.ring__delta.pos {
    color: var(--good);
}

.ring__delta.neg {
    color: var(--bad);
}

/* SONGS */
.songsrow {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

@media (max-width: 900px) {
    .songsrow {
        grid-template-columns: 1fr;
    }
}

.active {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    padding: 10px;
    border-radius: 12px;
    background: rgba(124, 77, 255, 0.10);
    border: 1px solid rgba(124, 77, 255, 0.25);
}

.active--muted {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.10);
}

.active__label {
    font-size: 11px;
    color: var(--muted);
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.active__big {
    font-size: 20px;
    font-weight: 900;
    letter-spacing: 0.06em;
}

.active__sub {
    color: var(--muted);
}

/* REPORT */
.reportgrid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

@media (max-width: 900px) {
    .reportgrid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.reportitem {
    padding: 10px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.rk {
    color: var(--muted);
    font-size: 12px;
}

.rv {
    font-weight: 900;
    font-size: 16px;
    margin-top: 3px;
}

.note,
.hint {
    color: var(--muted);
    font-size: 12px;
    margin-top: 12px;
}

/* HAND */
.hand {
    margin-top: 12px;
}

.hand__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}

@media (max-width: 900px) {
    .hand__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.song {
    cursor: pointer;
    text-align: left;
    border-radius: 14px;
    padding: 12px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.04);
    color: var(--text);
    transition: transform 0.05s ease, border-color 0.12s ease, background 0.12s ease;
}

.song:hover {
    transform: translateY(-1px);
    border-color: rgba(124, 77, 255, 0.45);
    background: rgba(124, 77, 255, 0.10);
}

.song:active {
    transform: translateY(0px);
}

.song__idx {
    font-size: 11px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--muted);
}

.song__genre {
    font-size: 16px;
    font-weight: 900;
    margin-top: 6px;
}

.song__bpm {
    font-size: 12px;
    color: var(--muted);
    margin-top: 3px;
}