:root {
    --pg-bg: #101214;
    --pg-surface: #171a1d;
    --pg-surface-2: #20252a;
    --pg-line: rgba(255, 255, 255, 0.12);
    --pg-text: #f2f4ee;
    --pg-muted: #9aa3a1;
    --pg-gold: #f4c542;
    --pg-blue: #4da3ff;
    --pg-green: #6fd08c;
    --pg-red: #ff6b6b;
}

.playground-shell {
    max-width: 1180px;
    color: var(--pg-text);
}

.playground-shell .playground-header {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    text-align: left;
    margin-bottom: 22px;
    padding: 28px 0 22px;
    background: transparent;
    border: 0;
    border-bottom: 1px solid var(--pg-line);
    border-radius: 0;
}

.playground-shell .playground-title {
    margin: 0;
    color: var(--pg-text);
    background: none;
    -webkit-text-fill-color: currentColor;
    font-size: clamp(34px, 5vw, 64px);
    letter-spacing: 0;
    line-height: 0.95;
    text-transform: uppercase;
}

.playground-shell .playground-subtitle {
    color: var(--pg-muted);
    font-size: 16px;
    margin-top: 10px;
}

.playground-shell .playground-tabs,
.playground-shell .club-mode-tabs {
    justify-content: flex-start;
    gap: 8px;
}

.playground-shell .playground-tab,
.playground-shell .club-mode-tab {
    border-radius: 6px;
    background: var(--pg-surface);
    border: 1px solid var(--pg-line);
    color: var(--pg-muted);
    letter-spacing: 0;
    text-transform: none;
}

.playground-shell .playground-tab.active,
.playground-shell .club-mode-tab.active {
    color: #171200;
    background: var(--pg-gold);
    border-color: var(--pg-gold);
}

.playground-shell .info-box,
.playground-shell .selector-section,
.playground-shell .race-info-box,
.playground-shell .entries-list-section,
.playground-shell .result-container,
.playground-shell .param-field {
    background: var(--pg-surface);
    border: 1px solid var(--pg-line);
    border-radius: 8px;
}

.formula-explainer {
    margin: 0 0 20px;
    padding: 16px 18px;
    background: #15191b;
    border-left: 4px solid var(--pg-blue);
}

.formula-explainer-title,
.panel-title {
    color: var(--pg-text);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0;
    margin-bottom: 12px;
    text-transform: uppercase;
}

.formula-markdown-block {
    color: var(--pg-muted);
    line-height: 1.65;
}

.formula-markdown-block p {
    margin: 0 0 10px;
}

.formula-markdown-block :last-child {
    margin-bottom: 0;
}

.formula-markdown-block code,
.formula-variable code {
    color: var(--pg-gold);
    background: rgba(244, 197, 66, 0.12);
    border-radius: 4px;
    padding: 2px 5px;
}

.playground-shell .form-select,
.playground-shell input {
    border-radius: 6px;
}

.playground-shell .calculate-btn,
.playground-shell .add-entry-btn {
    border-radius: 6px;
    background: var(--pg-gold);
    color: #171200;
    box-shadow: none;
    letter-spacing: 0;
    text-transform: none;
}

.playground-shell .add-entry-btn {
    background: var(--pg-blue);
    color: #07111c;
}

.playground-shell .result-container {
    padding: 24px;
}

.playground-shell .result-score {
    color: var(--pg-gold);
    background: none;
    -webkit-text-fill-color: currentColor;
    font-size: clamp(42px, 8vw, 82px);
    line-height: 0.95;
}

.result-kpis {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
    margin: 16px 0 22px;
}

.result-kpis span {
    min-width: 0;
    padding: 10px 12px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--pg-line);
    border-radius: 6px;
    color: var(--pg-muted);
    font-size: 13px;
}

.result-kpis b {
    display: block;
    color: var(--pg-text);
    font-size: 18px;
}

.rank-gauge {
    max-width: 560px;
    margin: 0 auto 10px;
}

.rank-gauge-track {
    height: 12px;
    overflow: hidden;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.09);
}

.rank-gauge-track span {
    display: block;
    width: var(--rank-percent, 0%);
    height: 100%;
    background: var(--pg-green);
}

.rank-gauge-meta {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 8px;
    margin-top: 8px;
    color: var(--pg-muted);
}

.rank-gauge-meta strong {
    color: var(--pg-gold);
    font-size: 28px;
}

.result-dashboard {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(260px, 0.75fr);
    gap: 18px;
    margin: 22px 0;
    text-align: left;
}

.result-panel {
    min-width: 0;
    padding: 4px 0 4px 16px;
    border-left: 1px solid var(--pg-line);
}

.result-panel-wide {
    border-left-color: var(--pg-gold);
}

.score-bars {
    display: grid;
    gap: 12px;
}

.score-bar-row {
    display: grid;
    gap: 6px;
}

.score-bar-row.muted {
    opacity: 0.55;
}

.score-bar-label,
.score-bar-sub {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    color: var(--pg-muted);
    font-size: 13px;
}

.score-bar-label strong {
    color: var(--pg-gold);
}

.score-bar-sub b {
    color: var(--pg-blue);
}

.score-bar-track {
    height: 9px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 999px;
}

.score-bar-track span {
    display: block;
    height: 100%;
    background: var(--pg-gold);
}

.formula-variable-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 10px;
}

.formula-variable {
    display: grid;
    gap: 4px;
    padding: 10px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--pg-line);
    border-radius: 6px;
}

.formula-variable-name {
    color: var(--pg-muted);
    font-size: 12px;
}

.formula-variable strong {
    color: var(--pg-text);
    font-size: 18px;
}

.member-delta {
    color: var(--pg-muted);
    font-weight: 700;
}

.rank-up {
    color: var(--pg-green);
}

.rank-down {
    color: var(--pg-red);
}

.rank-same {
    color: var(--pg-muted);
}

.empty-state,
.loading-state {
    padding: 20px;
    color: var(--pg-muted);
    text-align: center;
}

@media (max-width: 820px) {
    .result-dashboard,
    .result-kpis {
        grid-template-columns: 1fr;
    }

    .result-panel,
    .result-panel-wide {
        padding-left: 0;
        border-left: 0;
        border-top: 1px solid var(--pg-line);
        padding-top: 14px;
    }
}