/* ===================================================================
   Indonesia-China Finance Dashboard — Design System
   Warm parchment palette · Lato · CSIS-inspired editorial design
   =================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Lato:ital,wght@0,300;0,400;0,700;0,900;1,300;1,400&display=swap');

/* ── Tokens ─────────────────────────────────────────────────────── */
:root {
  --bg: #F3F0E0;
  --bg-panel: #EBE7D3;
  --bg-active: #DFDBC3;
  --bg-card: #EFEBDA;
  --bg-hover: #E6E2CF;
  --bg-white: #FAF8ED;
  --text: #2E2E2E;
  --text-secondary: #504A3E;
  --muted: #928374;
  --gold: #B58900;
  --gold-light: #D4A517;
  --gold-dim: rgba(181, 137, 0, .08);
  --red: #D75F5F;
  --red-dim: rgba(215, 95, 95, .07);
  --green: #608B4E;
  --green-dim: rgba(96, 139, 78, .07);
  --blue: #4A7FB5;
  --blue-dim: rgba(74, 127, 181, .07);
  --border: #D4D0BC;
  --border-light: #E0DCC8;
  --shadow: rgba(46, 46, 46, .04);
  --radius: 10px;
  --radius-sm: 6px;
  --transition: .22s cubic-bezier(.4, 0, .2, 1);
  --font: 'Lato', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --max-w: 960px;
  --sidebar-w: 240px;
}

/* ── Reset ──────────────────────────────────────────────────────── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  min-height: 100vh;
  overflow-x: hidden;
}

a {
  color: var(--gold);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: #8B6914;
  text-decoration: underline;
}

img {
  max-width: 100%;
}

/* ── Layout ─────────────────────────────────────────────────────── */
.layout {
  display: flex;
  min-height: 100vh;
}

/* ── Sidebar ────────────────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-w);
  background: var(--bg-white);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
  transition: transform var(--transition);
  overflow-y: auto;
}

.sidebar.collapsed {
  transform: translateX(calc(-1 * var(--sidebar-w)));
}

.sidebar-header {
  padding: 1.4rem 1.2rem 1rem;
  border-bottom: 1px solid var(--border-light);
}

.sidebar-brand {
  font-weight: 900;
  font-size: .95rem;
  letter-spacing: -.01em;
  color: var(--text);
  line-height: 1.3;
}

.sidebar-brand span {
  color: var(--gold);
}

.sidebar-subtitle {
  font-size: .68rem;
  color: var(--muted);
  margin-top: .15rem;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.sidebar-nav {
  flex: 1;
  padding: .5rem 0;
}

.nav-section-label {
  padding: .5rem 1.2rem .2rem;
  font-size: .64rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
}

.nav-item {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .5rem 1.2rem;
  font-size: .85rem;
  font-weight: 400;
  color: var(--text-secondary);
  cursor: pointer;
  border-left: 3px solid transparent;
  transition: all var(--transition);
  user-select: none;
}

.nav-item:hover {
  background: var(--bg);
  color: var(--text);
}

.nav-item.active {
  background: var(--bg);
  border-left-color: var(--gold);
  font-weight: 700;
  color: var(--text);
}

.nav-item .nav-icon {
  font-size: .9rem;
  width: 1.2rem;
  text-align: center;
  flex-shrink: 0;
}

/* Sidebar filters */
.sidebar-filters {
  padding: .6rem 1.2rem 1.2rem;
  border-top: 1px solid var(--border-light);
}

.sidebar-filters h4 {
  font-size: .64rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: .5rem;
}

.filter-group {
  margin-bottom: .5rem;
}

.filter-group label {
  display: block;
  font-size: .7rem;
  font-weight: 700;
  color: var(--muted);
  margin-bottom: .15rem;
}

.filter-group select {
  width: 100%;
  padding: .35rem .4rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: .78rem;
  color: var(--text);
  cursor: pointer;
  transition: border-color var(--transition);
  -webkit-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%23928374'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right .5rem center;
  padding-right: 1.5rem;
}

.filter-group select:focus {
  outline: none;
  border-color: var(--gold);
}

.filter-reset-btn {
  width: 100%;
  padding: .38rem;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: .72rem;
  font-weight: 700;
  color: var(--muted);
  cursor: pointer;
  transition: all var(--transition);
  margin-top: .2rem;
}

.filter-reset-btn:hover {
  border-color: var(--gold);
  color: var(--gold);
}

.sidebar-footer {
  padding: .6rem 1.2rem;
  border-top: 1px solid var(--border-light);
  font-size: .68rem;
  color: var(--muted);
  text-align: center;
}

/* Sidebar toggle */
.sidebar-toggle {
  position: fixed;
  top: .8rem;
  left: .8rem;
  z-index: 200;
  width: 2.2rem;
  height: 2.2rem;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  display: none;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: .9rem;
  color: var(--text);
  transition: all var(--transition);
}

.sidebar-toggle:hover {
  border-color: var(--gold);
}

/* ── Main ───────────────────────────────────────────────────────── */
.main {
  margin-left: var(--sidebar-w);
  flex: 1;
  min-width: 0;
  transition: margin-left var(--transition);
}

.main.expanded {
  margin-left: 0;
}

.page {
  display: none;
}

.page.active {
  display: block;
}

/* ── Content blocks ─────────────────────────────────────────────── */
.content-block {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2.5rem;
}

.section-padding {
  padding-top: 2.5rem;
  padding-bottom: 2.5rem;
}

.section-alt {
  background: var(--bg-white);
}

/* ── Hero ────────────────────────────────────────────────────────── */
.hero {
  padding: 3.5rem 2.5rem 2.5rem;
  background: var(--bg-white);
  border-bottom: 1px solid var(--border-light);
}

.hero-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.hero h1 {
  font-size: 2.2rem;
  font-weight: 900;
  letter-spacing: -.03em;
  line-height: 1.15;
  color: var(--text);
  margin-bottom: .5rem;
}

.hero h1 .highlight {
  color: var(--gold);
}

.hero-tagline {
  font-size: 1rem;
  color: var(--muted);
  max-width: 640px;
  line-height: 1.6;
  margin-bottom: 2rem;
}

.hero-stats {
  display: flex;
  gap: 3rem;
  flex-wrap: wrap;
}

.hero-stat-item {
  min-width: 0;
}

.hero-stat-number {
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--text);
  letter-spacing: -.02em;
  line-height: 1.1;
}

.hero-stat-number .unit {
  font-size: .9rem;
  font-weight: 400;
  color: var(--muted);
}

.hero-stat-label {
  font-size: .7rem;
  font-weight: 400;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: .1rem;
}

/* ── Metric cards (KPI row) ─────────────────────────────────────── */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: .8rem;
  margin-bottom: 2rem;
}

.kpi-card {
  padding: 1rem 0;
  border-top: 3px solid var(--border-light);
  animation: fadeInUp .4s ease both;
}

.kpi-card:nth-child(2) {
  animation-delay: .05s;
}

.kpi-card:nth-child(3) {
  animation-delay: .1s;
}

.kpi-card:nth-child(4) {
  animation-delay: .15s;
}

.kpi-card:nth-child(5) {
  animation-delay: .2s;
}

.kpi-card:hover {
  border-top-color: var(--gold);
}

.kpi-label {
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: .2rem;
}

.kpi-value {
  font-size: 1.5rem;
  font-weight: 900;
  letter-spacing: -.02em;
  color: var(--text);
  line-height: 1.1;
}

.kpi-delta {
  font-size: .72rem;
  font-weight: 400;
  margin-top: .15rem;
  color: var(--muted);
}

.kpi-delta.positive {
  color: var(--green);
}

.kpi-delta.negative {
  color: var(--red);
}

/* ── Section Headers — editorial style ──────────────────────────── */
.section-title {
  font-size: 1.5rem;
  font-weight: 900;
  letter-spacing: -.02em;
  color: var(--text);
  margin-bottom: .3rem;
  line-height: 1.2;
}

.section-subtitle {
  font-size: .88rem;
  color: var(--muted);
  margin-bottom: 1.8rem;
  max-width: 640px;
  line-height: 1.55;
}

/* ── Charts — CSIS-inspired: no borders, no box, just the chart ── */
.chart-block {
  margin-bottom: 2.5rem;
}

.chart-title {
  font-size: 1.1rem;
  font-weight: 900;
  color: var(--text);
  margin-bottom: .15rem;
  line-height: 1.3;
}

.chart-subtitle {
  font-size: .82rem;
  font-style: italic;
  color: var(--muted);
  margin-bottom: .8rem;
}

.chart-source {
  font-size: .7rem;
  color: var(--muted);
  margin-top: .4rem;
  padding-top: .4rem;
  border-top: 1px solid var(--border-light);
}

.chart-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2.5rem;
  align-items: start;
}

.chart-row .chart-block {
  min-height: 0;
}

/* ── Narrative text / callouts — inline, not boxy ───────────────── */
.narrative {
  font-size: .95rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 1.8rem;
  max-width: 700px;
}

.narrative strong {
  color: var(--text);
  font-weight: 700;
}

.narrative .stat {
  color: var(--gold);
  font-weight: 900;
}

.callout {
  margin: 1.5rem 0 2rem;
  padding: 0 0 0 1.2rem;
  border-left: 3px solid var(--gold);
  font-size: .92rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.callout strong {
  color: var(--text);
}

.callout.green {
  border-left-color: var(--green);
}

.callout.red {
  border-left-color: var(--red);
}

.callout.blue {
  border-left-color: var(--blue);
}

/* ── Subsection labels ──────────────────────────────────────────── */
.subsection-label {
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: .8rem;
  margin-top: 2.5rem;
}

.subsection-label .tag {
  display: inline-block;
  background: var(--gold-dim);
  color: var(--gold);
  font-size: .62rem;
  padding: .1rem .4rem;
  border-radius: 3px;
  margin-left: .4rem;
  vertical-align: middle;
}

/* ── Dividers ───────────────────────────────────────────────────── */
.section-divider {
  border: none;
  border-top: 1px solid var(--border-light);
  margin: 2.5rem 0;
}

/* ── Tables — clean, minimal, scrollable ────────────────────────── */
.table-block {
  margin-bottom: 2.5rem;
}

.table-block .table-title {
  font-size: 1.1rem;
  font-weight: 900;
  color: var(--text);
  margin-bottom: .15rem;
}

.table-block .table-subtitle {
  font-size: .82rem;
  font-style: italic;
  color: var(--muted);
  margin-bottom: .6rem;
}

.table-scroll {
  overflow-x: auto;
  overflow-y: auto;
  max-height: 420px;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
}

.table-scroll .data-table thead th {
  position: sticky;
  top: 0;
  background: var(--bg-white);
  z-index: 2;
  border-bottom: 2px solid var(--text);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .82rem;
}

.data-table thead th {
  padding: .5rem .7rem;
  text-align: left;
  font-weight: 700;
  font-size: .68rem;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--muted);
  border-bottom: 2px solid var(--text);
  cursor: pointer;
  user-select: none;
  transition: color var(--transition);
  white-space: nowrap;
}

.data-table thead th:hover {
  color: var(--gold);
}

.data-table thead th.sort-asc::after {
  content: ' ▲';
  font-size: .55rem;
}

.data-table thead th.sort-desc::after {
  content: ' ▼';
  font-size: .55rem;
}

.data-table tbody tr {
  border-bottom: 1px solid var(--border-light);
  transition: background var(--transition);
}

.data-table tbody tr:hover {
  background: rgba(181, 137, 0, .04);
}

.data-table tbody td {
  padding: .5rem .7rem;
  color: var(--text-secondary);
  vertical-align: top;
  line-height: 1.4;
}

.data-table tbody td.number {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.data-table tbody td strong {
  color: var(--text);
}

/* ── Maps ───────────────────────────────────────────────────────── */
.map-block {
  margin-bottom: 2.5rem;
}

.map-frame {
  height: 420px;
  width: 100%;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
}

.leaflet-tile {
  filter: saturate(.3) brightness(1.08) sepia(.12);
}

.leaflet-popup-content-wrapper {
  background: var(--bg-white) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--radius-sm) !important;
  box-shadow: 0 2px 8px rgba(46, 46, 46, .08) !important;
  font-family: var(--font) !important;
  color: var(--text) !important;
}

.leaflet-popup-tip {
  background: var(--bg-white) !important;
}

.leaflet-popup-content {
  font-size: .8rem !important;
  line-height: 1.5 !important;
}

/* ── CTA cards ──────────────────────────────────────────────────── */
.cta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
  margin: 1rem 0 2rem;
}

.cta-card {
  padding: 1.2rem 1.4rem;
  border-top: 3px solid var(--border-light);
  cursor: pointer;
  transition: all var(--transition);
}

.cta-card:hover {
  border-top-color: var(--gold);
  background: rgba(181, 137, 0, .03);
}

.cta-card h3 {
  font-size: .95rem;
  font-weight: 700;
  margin-bottom: .25rem;
  color: var(--text);
}

.cta-card p {
  font-size: .82rem;
  color: var(--muted);
  line-height: 1.5;
}

/* ── Collapsible ────────────────────────────────────────────────── */
.collapsible-trigger {
  display: flex;
  align-items: center;
  gap: .4rem;
  width: 100%;
  padding: .6rem 0;
  background: none;
  border: none;
  border-bottom: 1px solid var(--border-light);
  font-family: var(--font);
  font-size: .85rem;
  font-weight: 700;
  color: var(--text);
  cursor: pointer;
  margin-bottom: .3rem;
  transition: color var(--transition);
}

.collapsible-trigger:hover {
  color: var(--gold);
}

.collapsible-trigger .arrow {
  transition: transform var(--transition);
  font-size: .6rem;
  color: var(--muted);
}

.collapsible-trigger.open .arrow {
  transform: rotate(90deg);
}

.collapsible-content {
  display: none;
  padding: .4rem 0 1rem;
  font-size: .82rem;
  color: var(--muted);
  line-height: 1.65;
}

.collapsible-content.open {
  display: block;
  animation: fadeIn .25s ease;
}

/* ── Footer ─────────────────────────────────────────────────────── */
.page-footer {
  text-align: center;
  padding: 2rem 2rem;
  border-top: 1px solid var(--border-light);
  color: var(--muted);
  font-size: .75rem;
  margin-top: 1rem;
}

/* ── Scroll progress ────────────────────────────────────────────── */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gold);
  transform-origin: left;
  transform: scaleX(0);
  z-index: 300;
  transition: transform .1s linear;
}

/* ── Active filter bar ──────────────────────────────────────────── */
.active-filters {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .3rem;
  margin-bottom: 1.2rem;
  font-size: .75rem;
}

.active-filters .label {
  font-weight: 700;
  color: var(--muted);
  font-size: .65rem;
  text-transform: uppercase;
  letter-spacing: .04em;
  margin-right: .2rem;
}

.active-filters .filter-pill {
  background: var(--gold-dim);
  color: var(--gold);
  padding: .1rem .45rem;
  border-radius: 3px;
  font-weight: 700;
  font-size: .68rem;
}

/* ── Animations ─────────────────────────────────────────────────── */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

/* ── Responsive ─────────────────────────────────────────────────── */
@media (max-width: 900px) {
  body.sidebar-open {
    overflow: hidden;
  }

  .sidebar {
    width: min(84vw, 340px);
    transform: translateX(-100%);
    box-shadow: 4px 0 20px rgba(0, 0, 0, .12);
    z-index: 1200;
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .sidebar-header {
    padding-top: 4.4rem;
  }

  .sidebar-toggle {
    display: flex;
    z-index: 1300;
    top: calc(env(safe-area-inset-top, 0px) + .8rem);
  }

  .main {
    margin-left: 0;
    padding-top: 4.8rem;
  }

  .hero h1 {
    font-size: 1.6rem;
  }

  .hero-stats {
    gap: 1.5rem;
  }

  .hero-stat-number {
    font-size: 1.4rem;
  }

  .chart-row {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .content-block {
    padding: 0 1.2rem;
  }

  .kpi-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: .6rem;
  }

  .kpi-value {
    font-size: 1.2rem;
  }

  .hero {
    padding: 2rem 1.2rem 1.8rem;
  }

  .map-frame {
    height: 320px;
  }

  .table-scroll {
    max-height: 340px;
  }

  .section-padding {
    padding-top: 1.5rem;
    padding-bottom: 1.5rem;
  }

  .leaflet-pane,
  .leaflet-top,
  .leaflet-bottom,
  .leaflet-control {
    z-index: 1 !important;
  }
}

@media (max-width: 600px) {
  .sidebar {
    width: min(88vw, 340px);
  }

  .sidebar-header {
    padding-top: 4.8rem;
  }

  .main {
    padding-top: 5.2rem;
  }

  .hero h1 {
    font-size: 1.25rem;
  }

  .hero-tagline {
    font-size: .85rem;
  }

  .hero-stats {
    gap: 1rem;
  }

  .hero-stat-number {
    font-size: 1.2rem;
  }

  .hero-stat-label {
    font-size: .6rem;
  }

  .section-title {
    font-size: 1.15rem;
  }

  .chart-title {
    font-size: .92rem;
  }

  .cta-grid {
    grid-template-columns: 1fr;
  }

  .kpi-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .kpi-card {
    padding: .6rem 0;
  }

  .kpi-label {
    font-size: .6rem;
  }

  .kpi-value {
    font-size: 1rem;
  }

  .narrative {
    font-size: .85rem;
  }

  .callout {
    font-size: .82rem;
  }

  .subsection-label {
    font-size: .6rem;
  }

  .map-frame {
    height: 260px;
  }

  .table-scroll {
    max-height: 300px;
    -webkit-overflow-scrolling: touch;
  }

  .data-table {
    font-size: .74rem;
  }

  .data-table thead th {
    font-size: .6rem;
    padding: .35rem .4rem;
  }

  .data-table tbody td {
    padding: .35rem .4rem;
  }

  .section-divider {
    margin: 1.5rem 0;
  }

  .section-padding {
    padding-top: 1rem;
    padding-bottom: 1rem;
  }

  .chart-block {
    margin-bottom: 1.5rem;
  }
}

/* ── Scrollbar ──────────────────────────────────────────────────── */
::-webkit-scrollbar {
  width: 5px;
  height: 5px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--muted);
}

/* ── Plotly overrides ───────────────────────────────────────────── */
.js-plotly-plot .plotly .main-svg {
  background: transparent !important;
}

.js-plotly-plot,
.js-plotly-plot * {
  -webkit-touch-callout: none;
}

.js-plotly-plot .plotly .xtick text,
.js-plotly-plot .plotly .ytick text,
.js-plotly-plot .plotly .legend text,
.js-plotly-plot .plotly .annotation-text,
.js-plotly-plot .plotly .hoverlayer text,
.js-plotly-plot .plotly .hoverlayer tspan {
  -webkit-user-select: none !important;
  user-select: none !important;
}

.js-plotly-plot .plotly .hoverlayer .hovertext rect,
.js-plotly-plot .plotly .hoverlayer .bg {
  fill: #F7F5EE !important;
  fill-opacity: 1 !important;
  stroke: var(--text) !important;
  stroke-width: 1px !important;
}

.js-plotly-plot .plotly .hoverlayer text,
.js-plotly-plot .plotly .hoverlayer tspan {
  fill: var(--text) !important;
}

.js-plotly-plot .modebar {
  opacity: 0;
  transition: opacity .2s;
}

.js-plotly-plot:hover .modebar {
  opacity: .4;
}