/* ── Animations ────────────────────────────── */

@keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

.animate-fadeIn { animation: fadeIn 0.2s ease-out; }

@keyframes shimmer {
    0%   { background-position: -400px 0; }
    100% { background-position: 400px 0; }
}

/* Navigation progress bar */
@keyframes navProgress {
    0%   { width: 0; }
    40%  { width: 55%; }
    80%  { width: 85%; }
    100% { width: 100%; opacity: 0; }
}

.nav-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 2px;
    background: #2563EB;
    z-index: 9999;
    animation: navProgress 1.2s ease-out forwards;
}

.chart-skeleton {
    background: linear-gradient(90deg, #f1f5f9 25%, #e8ecf1 37%, #f1f5f9 63%);
    background-size: 800px 100%;
    animation: shimmer 1.4s ease infinite;
    border-radius: 6px;
}

/* ── Sidebar ──────────────────────────────── */

.nav-link {
    display: block;
    padding: 7px 12px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    color: #8896AB;
    transition: color 0.12s, background 0.12s;
    text-decoration: none;
}

.nav-link:hover {
    color: #CBD5E1;
    background: rgba(255,255,255,0.05);
}

.nav-link.active {
    color: #FFFFFF;
    background: rgba(255,255,255,0.08);
}

/* ── Metric strip ─────────────────────────── */

.metric-cell {
    padding: 18px 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
}

.metric-spark {
    margin-bottom: 6px;
    opacity: 0.5;
}

/* ── Cards ────────────────────────────────── */

.card {
    background: #fff;
    border: 1px solid #E5E7EB;
    border-radius: 8px;
}

.kpi-card {
    background: #fff;
    border: 1px solid #E5E7EB;
    border-radius: 8px;
    padding: 16px 20px;
}

.kpi-label {
    display: block;
    font-size: 12px;
    font-weight: 500;
    color: #6B7280;
    letter-spacing: 0.01em;
    margin-top: 2px;
}

.kpi-value {
    display: block;
    font-size: 22px;
    font-weight: 700;
    color: #111827;
    letter-spacing: -0.02em;
}

.chart-card {
    background: #fff;
    border: 1px solid #E5E7EB;
    border-radius: 8px;
    overflow: hidden;
}

.chart-card-header {
    padding: 16px 20px 0;
}

.chart-card-title {
    font-size: 14px;
    font-weight: 600;
    color: #111827;
}

.chart-card-desc {
    font-size: 13px;
    color: #6B7280;
    margin-top: 2px;
    line-height: 1.5;
}

/* ── Section ──────────────────────────────── */

.section-context {
    font-size: 14px;
    color: #4B5563;
    line-height: 1.65;
}

.section-context strong {
    color: #111827;
    font-weight: 600;
}

/* ── Filters ──────────────────────────────── */

.filter-label {
    display: block;
    font-size: 12px;
    font-weight: 500;
    color: #374151;
    margin-bottom: 6px;
}

.filter-select {
    display: flex;
    align-items: center;
    gap: 6px;
    width: 100%;
    padding: 7px 10px;
    border: 1px solid #D1D5DB;
    border-radius: 6px;
    font-size: 13px;
    color: #374151;
    background: #fff;
    cursor: pointer;
}

.filter-select:hover { border-color: #9CA3AF; }

.dropdown-menu {
    position: absolute;
    top: calc(100% + 3px);
    left: 0;
    right: 0;
    background: #fff;
    border: 1px solid #D1D5DB;
    border-radius: 6px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    z-index: 20;
    padding: 4px;
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 5px 8px;
    border-radius: 4px;
    font-size: 13px;
    color: #374151;
    cursor: pointer;
}

.dropdown-item:hover { background: #F3F4F6; }

/* ── Tables ───────────────────────────────── */

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.data-table th {
    padding: 8px 14px;
    text-align: left;
    font-weight: 600;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: #6B7280;
    background: #F9FAFB;
    border-bottom: 1px solid #E5E7EB;
    white-space: nowrap;
}

.data-table td {
    padding: 7px 14px;
    color: #374151;
    border-bottom: 1px solid #F3F4F6;
    white-space: nowrap;
}

.data-table tbody tr:hover { background: #F9FAFB; }
.data-table tbody tr:last-child td { border-bottom: none; }

/* ── Range inputs ─────────────────────────── */

input[type="range"] {
    height: 3px;
    border-radius: 2px;
    background: #D1D5DB;
    outline: none;
    -webkit-appearance: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: #111827;
    cursor: pointer;
    border: 2px solid #fff;
    box-shadow: 0 0 0 1px #D1D5DB;
}

/* ── Scrollbar ────────────────────────────── */

::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #CBD5E1; border-radius: 3px; }

/* ── Language toggle (sidebar) ────────────── */

.lang-toggle-btn {
    padding: 3px 0;
    font-size: 10px;
    font-weight: 600;
    color: #64748B;
    background: transparent;
    cursor: pointer;
    transition: all 0.12s;
    border: none;
    letter-spacing: 0.04em;
}

.lang-toggle-btn:hover { color: #CBD5E1; }

.lang-toggle-active {
    color: #FFFFFF;
    background: rgba(255,255,255,0.1);
}

/* ── Plotly ────────────────────────────────── */

.js-plotly-plot .plotly .modebar { right: 4px !important; top: 2px !important; }
.js-plotly-plot .plotly .modebar-btn { font-size: 13px !important; }