/* ============================================================
   KARTING SERIES CATALOG MODULE — Phase L.5
   Public catalog of karting series for a venue.
   Mirrors KartingSeriesStandings tokens for visual consistency.
   ============================================================ */

.scm-mod-KartingSeriesCatalog {
    --ksc-accent: var(--scm-accent, #2563eb);
    --ksc-accent-soft: #eff6ff;
    --ksc-bg: var(--scm-surface, #ffffff);
    --ksc-surface: var(--scm-surface, #f8fafc);
    --ksc-text: var(--scm-surface-contrast, #0f172a);
    --ksc-text-secondary: var(--scm-text-secondary, #475569);
    --ksc-text-tertiary: var(--scm-text-tertiary, #94a3b8);
    --ksc-border: var(--scm-border, #e2e8f0);
    --ksc-success: #16a34a;
    --ksc-warn: #b45309;
    --ksc-muted: var(--scm-text-tertiary, #94a3b8);
    --ksc-radius: 0.75rem;
    --ksc-radius-lg: 1rem;
    --ksc-transition: 200ms cubic-bezier(0.16, 1, 0.3, 1);

    background: var(--ksc-bg);
    color: var(--ksc-text);
    border-radius: var(--ksc-radius-lg);
    padding: 1.5rem;
    font-family: inherit;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    width: 100%;
    max-width: 1080px;
    margin: 0 auto;
}

.scm-mod-KartingSeriesCatalog .ksc-header {
    margin-bottom: 1.25rem;
}
.scm-mod-KartingSeriesCatalog .ksc-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--ksc-text);
}

.scm-mod-KartingSeriesCatalog .ksc-empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--ksc-text-tertiary);
}
.scm-mod-KartingSeriesCatalog .ksc-empty-state i {
    font-size: 2.25rem;
    display: block;
    margin-bottom: 0.5rem;
}

/* ====== Card grid ====== */
.scm-mod-KartingSeriesCatalog .ksc-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1rem;
}

.scm-mod-KartingSeriesCatalog .ksc-card {
    background: var(--ksc-surface);
    border: 1px solid var(--ksc-border);
    border-radius: var(--ksc-radius);
    padding: 1rem;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    transition: transform var(--ksc-transition), border-color var(--ksc-transition), box-shadow var(--ksc-transition);
}
.scm-mod-KartingSeriesCatalog .ksc-card:hover,
.scm-mod-KartingSeriesCatalog .ksc-card:focus-within {
    border-color: var(--ksc-accent);
    box-shadow: 0 6px 18px rgba(15, 23, 42, 0.08);
    transform: translateY(-2px);
}

.scm-mod-KartingSeriesCatalog .ksc-card-header h3 {
    margin: 0 0 0.5rem 0;
    font-size: 1.0625rem;
    font-weight: 600;
}
.scm-mod-KartingSeriesCatalog .ksc-card-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
}

.scm-mod-KartingSeriesCatalog .ksc-card-meta {
    display: grid;
    grid-template-columns: max-content 1fr;
    gap: 0.25rem 0.75rem;
    margin: 0;
    font-size: 0.875rem;
}
.scm-mod-KartingSeriesCatalog .ksc-card-meta dt {
    color: var(--ksc-text-secondary);
    font-weight: 500;
}
.scm-mod-KartingSeriesCatalog .ksc-card-meta dd {
    margin: 0;
    color: var(--ksc-text);
}

.scm-mod-KartingSeriesCatalog .ksc-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 0.5rem;
    border-top: 1px solid var(--ksc-border);
    font-size: 0.8125rem;
}
.scm-mod-KartingSeriesCatalog .ksc-card-status {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-weight: 600;
}
.scm-mod-KartingSeriesCatalog .ksc-card-status--open { color: var(--ksc-success); }
.scm-mod-KartingSeriesCatalog .ksc-card-status--waitlist { color: var(--ksc-warn); }
.scm-mod-KartingSeriesCatalog .ksc-card-status--closed { color: var(--ksc-muted); }
.scm-mod-KartingSeriesCatalog .ksc-card-cta {
    color: var(--ksc-accent);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

/* ====== Detail view ====== */
.scm-mod-KartingSeriesCatalog .ksc-detail {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.scm-mod-KartingSeriesCatalog .ksc-back-btn {
    align-self: flex-start;
    background: transparent;
    border: 1px solid var(--ksc-border);
    color: var(--ksc-text-secondary);
    border-radius: 999px;
    padding: 0.35rem 0.85rem;
    font-size: 0.8125rem;
    cursor: pointer;
    transition: background var(--ksc-transition), color var(--ksc-transition);
}
.scm-mod-KartingSeriesCatalog .ksc-back-btn:hover {
    background: var(--ksc-surface);
    color: var(--ksc-text);
}

.scm-mod-KartingSeriesCatalog .ksc-detail-header h2 {
    margin: 0 0 0.5rem 0;
    font-size: 1.5rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.scm-mod-KartingSeriesCatalog .ksc-header-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}
.scm-mod-KartingSeriesCatalog .ksc-description {
    color: var(--ksc-text-secondary);
    margin: 0.25rem 0 0.5rem 0;
}

.scm-mod-KartingSeriesCatalog .ksc-section-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
}
.scm-mod-KartingSeriesCatalog .ksc-section {
    background: var(--ksc-surface);
    border: 1px solid var(--ksc-border);
    border-radius: var(--ksc-radius);
    padding: 1rem;
}
.scm-mod-KartingSeriesCatalog .ksc-section--full {
    grid-column: 1 / -1;
}
.scm-mod-KartingSeriesCatalog .ksc-section h3 {
    font-size: 0.9375rem;
    font-weight: 600;
    margin: 0 0 0.75rem 0;
    color: var(--ksc-text);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.scm-mod-KartingSeriesCatalog .ksc-meta {
    display: grid;
    grid-template-columns: max-content 1fr;
    gap: 0.25rem 0.75rem;
    margin: 0;
    font-size: 0.875rem;
}
.scm-mod-KartingSeriesCatalog .ksc-meta dt {
    color: var(--ksc-text-secondary);
    font-weight: 500;
}
.scm-mod-KartingSeriesCatalog .ksc-meta dd {
    margin: 0;
    color: var(--ksc-text);
}

.scm-mod-KartingSeriesCatalog .ksc-rounds {
    list-style: none;
    margin: 0.75rem 0 0 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}
.scm-mod-KartingSeriesCatalog .ksc-round {
    display: grid;
    grid-template-columns: 2.5rem 1fr auto;
    gap: 0.5rem;
    align-items: center;
    padding: 0.4rem 0.6rem;
    border: 1px solid var(--ksc-border);
    border-radius: 0.5rem;
    font-size: 0.8125rem;
    background: var(--ksc-bg);
}
.scm-mod-KartingSeriesCatalog .ksc-round.is-scored {
    border-color: var(--ksc-success);
    background: rgba(22, 163, 74, 0.06);
}
.scm-mod-KartingSeriesCatalog .ksc-round-num {
    font-weight: 700;
    color: var(--ksc-accent);
}
.scm-mod-KartingSeriesCatalog .ksc-round-date {
    color: var(--ksc-text-tertiary);
    font-variant-numeric: tabular-nums;
}

.scm-mod-KartingSeriesCatalog .ksc-register-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    margin-top: 0.75rem;
    padding: 0.55rem 1rem;
    background: var(--ksc-accent);
    color: #fff;
    border: none;
    border-radius: 0.5rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: background var(--ksc-transition), opacity var(--ksc-transition);
}
.scm-mod-KartingSeriesCatalog .ksc-register-btn:hover { opacity: 0.92; color: #fff; }
.scm-mod-KartingSeriesCatalog .ksc-register-btn[disabled] {
    background: var(--ksc-muted);
    cursor: not-allowed;
}
.scm-mod-KartingSeriesCatalog .ksc-register-btn--waitlist { background: var(--ksc-warn); }

.scm-mod-KartingSeriesCatalog .ksc-requirements {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.scm-mod-KartingSeriesCatalog .ksc-requirement {
    border: 1px solid var(--ksc-border);
    border-radius: 0.5rem;
    padding: 0.5rem 0.75rem;
    background: var(--ksc-bg);
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    font-size: 0.8125rem;
}
.scm-mod-KartingSeriesCatalog .ksc-requirement-name {
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}
.scm-mod-KartingSeriesCatalog .ksc-requirement-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    color: var(--ksc-text-secondary);
}
.scm-mod-KartingSeriesCatalog .ksc-requirement-meta span {
    background: var(--ksc-surface);
    border: 1px solid var(--ksc-border);
    border-radius: 999px;
    padding: 0.1rem 0.5rem;
    font-size: 0.6875rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}
.scm-mod-KartingSeriesCatalog .ksc-requirement-required {
    color: #b91c1c;
    border-color: #fecaca !important;
    background: #fef2f2 !important;
}
.scm-mod-KartingSeriesCatalog .ksc-requirement-optional {
    color: var(--ksc-text-secondary);
}

.scm-mod-KartingSeriesCatalog .ksc-regulations {
    background: var(--ksc-bg);
    border: 1px solid var(--ksc-border);
    border-radius: 0.5rem;
    padding: 0.75rem;
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 0.8125rem;
    white-space: pre-wrap;
    margin: 0;
    color: var(--ksc-text-secondary);
    max-height: 320px;
    overflow: auto;
}

/* ====== Shared chip vocabulary (matches KartingSeriesStandings) ====== */
.scm-mod-KartingSeriesCatalog .kd-series-chip,
.scm-mod-KartingSeriesCatalog .kd-license-chip,
.scm-mod-KartingSeriesCatalog .kd-grade-chip,
.scm-mod-KartingSeriesCatalog .kd-status-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.2rem 0.55rem;
    border-radius: 999px;
    border: 1px solid var(--ksc-border);
    background: var(--ksc-bg);
    color: var(--ksc-text-secondary);
}
.scm-mod-KartingSeriesCatalog .kd-license-chip {
    background: #eef2ff;
    border-color: #c7d2fe;
    color: #3730a3;
}
.scm-mod-KartingSeriesCatalog .kd-grade-chip {
    background: #ecfeff;
    border-color: #a5f3fc;
    color: #155e75;
}
.scm-mod-KartingSeriesCatalog .kd-status-chip {
    background: #f1f5f9;
}

/* ====== Size variants ====== */
.scm-mod-KartingSeriesCatalog.scm-mod-compact { padding: 1rem; max-width: 880px; }
.scm-mod-KartingSeriesCatalog.scm-mod-compact .ksc-card { padding: 0.75rem; }
.scm-mod-KartingSeriesCatalog.scm-mod-large { padding: 2rem; max-width: 1280px; }

/* ====== Loading / spinner ====== */
.scm-mod-KartingSeriesCatalog .scm-mod-loading {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--ksc-text-tertiary);
}
.scm-mod-KartingSeriesCatalog .scm-mod-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--ksc-border);
    border-top-color: var(--ksc-accent);
    border-radius: 50%;
    margin: 0 auto 0.75rem;
    animation: ksc-spin 0.9s linear infinite;
}
@keyframes ksc-spin { to { transform: rotate(360deg); } }