/* ============================================================
   SDGs Publications Chart — Stylesheet v1.0.0
   Clean, professional, data-focused design
   ============================================================ */

:root {
    --spc-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --spc-mono: 'JetBrains Mono', 'Fira Code', monospace;

    --spc-text-900: #0f172a;
    --spc-text-700: #334155;
    --spc-text-500: #64748b;
    --spc-text-400: #94a3b8;
    --spc-text-300: #cbd5e1;

    --spc-bg: #f8fafc;
    --spc-surface: #ffffff;
    --spc-border: #e2e8f0;
    --spc-border-light: #f1f5f9;

    --spc-blue: #2563eb;
    --spc-blue-light: #eff6ff;
    --spc-green: #059669;
    --spc-green-light: #ecfdf5;
    --spc-amber: #d97706;
    --spc-amber-light: #fffbeb;
    --spc-purple: #7c3aed;
    --spc-purple-light: #f5f3ff;

    --spc-radius: 12px;
    --spc-radius-sm: 8px;
    --spc-shadow: 0 1px 2px rgba(0,0,0,0.04), 0 1px 3px rgba(0,0,0,0.06);
    --spc-shadow-md: 0 2px 4px rgba(0,0,0,0.04), 0 4px 12px rgba(0,0,0,0.06);
}

.spc-dashboard * { box-sizing: border-box; margin: 0; padding: 0; }
.spc-dashboard {
    font-family: var(--spc-font);
    color: var(--spc-text-700);
    max-width: 1200px;
    margin: 0 auto;
    padding: 32px 20px 48px;
    background: var(--spc-bg);
}

/* ─── Stat Cards ─── */
.spc-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}
.spc-stat-card {
    background: var(--spc-surface);
    border: 1px solid var(--spc-border);
    border-radius: var(--spc-radius);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: var(--spc-shadow);
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.spc-stat-card:hover {
    box-shadow: var(--spc-shadow-md);
    transform: translateY(-2px);
}
.spc-stat-card__icon {
    width: 48px;
    height: 48px;
    border-radius: var(--spc-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.spc-stat-card__icon svg { width: 24px; height: 24px; }
.spc-stat-card__icon--total { background: var(--spc-blue-light); color: var(--spc-blue); }
.spc-stat-card__icon--years { background: var(--spc-green-light); color: var(--spc-green); }
.spc-stat-card__icon--peak  { background: var(--spc-amber-light); color: var(--spc-amber); }
.spc-stat-card__icon--avg   { background: var(--spc-purple-light); color: var(--spc-purple); }

.spc-stat-card__body { display: flex; flex-direction: column; min-width: 0; }
.spc-stat-card__value {
    font-family: var(--spc-mono);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--spc-text-900);
    line-height: 1.2;
}
.spc-stat-card__label {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--spc-text-500);
    margin-top: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ─── Panels ─── */
.spc-panel {
    background: var(--spc-surface);
    border: 1px solid var(--spc-border);
    border-radius: var(--spc-radius);
    box-shadow: var(--spc-shadow);
    margin-bottom: 24px;
    overflow: hidden;
}
.spc-panel__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--spc-border-light);
}
.spc-panel__title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--spc-text-900);
    letter-spacing: -0.01em;
}
.spc-panel__badge {
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--spc-blue);
    background: var(--spc-blue-light);
    padding: 4px 10px;
    border-radius: 20px;
}

/* ─── Charts Row ─── */
.spc-charts-row {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: 24px;
    margin-bottom: 24px;
}
.spc-charts-row .spc-panel { margin-bottom: 0; }

.spc-chart-container { padding: 20px 24px 24px; }
.spc-chart-container--line { height: 360px; }
.spc-chart-container--doughnut { height: 360px; display: flex; align-items: center; justify-content: center; }
.spc-chart-container--subjects { width: 340px; height: 340px; flex-shrink: 0; }

.spc-chart-container canvas { max-width: 100%; }

/* ─── Subject Trends Layout ─── */
.spc-subjects-layout {
    display: flex;
    align-items: center;
    gap: 32px;
    padding: 20px 24px 28px;
}
.spc-subjects-legend {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.spc-legend-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 10px;
    border-radius: 6px;
    transition: background 0.15s;
    cursor: default;
}
.spc-legend-row:hover { background: var(--spc-border-light); }
.spc-legend-dot {
    width: 12px;
    height: 12px;
    border-radius: 3px;
    flex-shrink: 0;
}
.spc-legend-name {
    flex: 1;
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--spc-text-700);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.spc-legend-pct {
    font-family: var(--spc-mono);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--spc-text-900);
    white-space: nowrap;
}

/* ─── Data Table ─── */
.spc-table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}
.spc-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}
.spc-table thead th {
    padding: 12px 16px;
    text-align: left;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--spc-text-500);
    background: var(--spc-bg);
    border-bottom: 2px solid var(--spc-border);
    position: sticky;
    top: 0;
    z-index: 2;
}
.spc-table tbody td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--spc-border-light);
    vertical-align: middle;
}
.spc-table tbody tr { transition: background 0.12s; }
.spc-table tbody tr:hover { background: #f8fafc; }
.spc-table tbody tr:last-child td { border-bottom: none; }

.spc-td--year {
    font-weight: 700;
    color: var(--spc-text-900);
    font-family: var(--spc-mono);
}
.spc-td--num {
    font-family: var(--spc-mono);
    font-weight: 600;
    color: var(--spc-blue);
}
.spc-td--pct {
    font-family: var(--spc-mono);
    font-weight: 600;
    color: var(--spc-text-500);
}
.spc-td--bar { width: 40%; min-width: 120px; }

.spc-inline-bar {
    height: 8px;
    background: var(--spc-border-light);
    border-radius: 4px;
    overflow: hidden;
}
.spc-inline-bar__fill {
    height: 100%;
    background: var(--spc-blue);
    border-radius: 4px;
    width: 0;
    transition: width 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ─── Footer ─── */
.spc-footer {
    text-align: center;
    padding: 16px 0 0;
    font-size: 0.75rem;
    color: var(--spc-text-400);
}

/* ─── Error ─── */
.spc-error {
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: var(--spc-radius);
    padding: 32px;
    text-align: center;
    color: #b91c1c;
    font-weight: 600;
}

/* ─── Animations ─── */
.spc-stagger {
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.45s ease, transform 0.45s ease;
}
.spc-stagger.spc-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ─── Responsive ─── */
@media (max-width: 1024px) {
    .spc-charts-row { grid-template-columns: 1fr; }
    .spc-stats { grid-template-columns: repeat(2, 1fr); }
    .spc-subjects-layout { flex-direction: column; }
    .spc-chart-container--subjects { width: 280px; height: 280px; }
}

@media (max-width: 640px) {
    .spc-dashboard { padding: 16px 12px 32px; }
    .spc-stats { grid-template-columns: 1fr 1fr; gap: 10px; }
    .spc-stat-card { padding: 14px; gap: 12px; }
    .spc-stat-card__value { font-size: 1.3rem; }
    .spc-panel__header { padding: 16px; flex-wrap: wrap; gap: 8px; }
    .spc-chart-container { padding: 12px 16px 16px; }
    .spc-chart-container--line { height: 260px; }
    .spc-chart-container--doughnut { height: 280px; }
    .spc-chart-container--subjects { width: 240px; height: 240px; }
    .spc-table thead th,
    .spc-table tbody td { padding: 10px 12px; }
}

@media (max-width: 420px) {
    .spc-stats { grid-template-columns: 1fr; }
}

/* ─── Print ─── */
@media print {
    .spc-dashboard { background: #fff; padding: 0; }
    .spc-panel, .spc-stat-card { box-shadow: none; border: 1px solid #ddd; break-inside: avoid; }
    .spc-stagger { opacity: 1 !important; transform: none !important; }
}