/* =========================================================
   Emagazine Data Journalism Stylesheet
   Minimum global font-size: 16px (1rem)
   Minimum infographic font-size: 18px (1.125rem)
   ========================================================= */

:root {
  --bg-page: #faf8f4;
  --bg-surface: #ffffff;
  --bg-panel: #f3efe6;
  --bg-chip: #ebe6da;

  --ink-primary: #141c18;
  --ink-secondary: #2e3b34;

  --accent-green: #165b3c;
  --accent-green-dark: #0f422b;
  --accent-green-soft: #e3efe8;

  --accent-gold: #9a4a05;
  --accent-gold-bright: #d97706;
  --accent-gold-soft: #f9edd9;

  --accent-teal: #1b5a6c;
  --accent-clay: #b34028;

  --border-subtle: #ded8cb;
  --border-strong: #c8c0af;

  --font-sans: "Be Vietnam Pro", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-serif: "Newsreader", Georgia, "Times New Roman", serif;

  --radius-md: 14px;
  --radius-lg: 20px;
  --shadow-card: 0 6px 22px rgba(20, 28, 24, 0.05);
  --shadow-panel: 0 12px 36px rgba(20, 28, 24, 0.06);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  background-color: var(--bg-page);
  color: var(--ink-primary);
  font-family: var(--font-sans);
  font-size: 1.125rem;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* ==================== LAYOUT SHELL ==================== */
.magazine-shell {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: clamp(2.5rem, 6vw, 5.5rem) clamp(1rem, 3vw, 2.5rem) clamp(3.5rem, 7vw, 6rem);
}

/* ==================== TITLE STAGE (CENTERED, NO HERO IMAGE) ==================== */
.title-stage {
  max-width: 860px;
  margin: 0 auto clamp(3rem, 6vw, 4.75rem);
  text-align: center;
}

.title-ornament {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 1.75rem;
}

.ornament-line {
  display: inline-block;
  width: 48px;
  height: 2px;
  background: var(--accent-green);
}

.ornament-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent-gold-bright);
}

.article-title {
  margin: 0 auto 2rem;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(2.125rem, 1.4rem + 2.8vw, 3.35rem);
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--ink-primary);
  text-wrap: balance;
}

.article-sapo {
  max-width: 700px;
  margin: 0 auto 2.5rem;
  padding: 1.65rem clamp(1.125rem, 3vw, 2rem);
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  box-shadow: inset 0 4px 0 var(--accent-green);
  text-align: left;
}

.article-sapo p {
  margin: 0;
  font-size: clamp(1.1875rem, 1.1rem + 0.35vw, 1.3125rem);
  line-height: 1.72;
  font-weight: 500;
  color: var(--ink-primary);
}

.article-sapo p + p {
  margin-top: 1rem;
}

.title-divider {
  width: 120px;
  height: 2px;
  margin: 0 auto;
  background: linear-gradient(90deg, transparent, var(--border-strong), transparent);
}

/* ==================== STORY PARTS & PROSE ==================== */
.story-part {
  margin-top: clamp(2.5rem, 5vw, 4.5rem);
}

.story-part + .story-part {
  padding-top: clamp(2.5rem, 5vw, 4rem);
  border-top: 1px solid var(--border-subtle);
}

.section-heading-wrap {
  max-width: 720px;
  margin: 0 auto clamp(1.75rem, 3.5vw, 2.5rem);
  display: flex;
  align-items: center;
  gap: 1.125rem;
}

.part-marker {
  flex: 0 0 auto;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--accent-green);
  color: #ffffff;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.375rem;
  display: grid;
  place-items: center;
  box-shadow: 0 6px 16px rgba(22, 91, 60, 0.22);
}

.section-heading {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.625rem, 1.25rem + 1.35vw, 2.25rem);
  line-height: 1.28;
  color: var(--ink-primary);
}

.prose-column {
  max-width: 720px;
  margin: 0 auto;
}

.article-paragraph {
  margin: 0 0 1.45rem;
  font-size: clamp(1.125rem, 1.06rem + 0.28vw, 1.25rem);
  line-height: 1.8;
  color: var(--ink-primary);
}

.quote-highlight {
  padding: 1.25rem 1.5rem;
  background: var(--accent-green-soft);
  border-left: 4px solid var(--accent-green);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-weight: 500;
}

/* ==================== EDITORIAL FIGURES & PARALLAX ==================== */
.editorial-figure {
  max-width: 880px;
  margin: clamp(2rem, 4.5vw, 3rem) auto;
}

.parallax-frame {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-panel);
}

.parallax-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transform: translate3d(0, var(--parallax-y, 0px), 0) scale(1.08);
  will-change: transform;
  transition: transform 0.12s linear;
}

/* ==================== INFOGRAPHICS (STRICT >= 18PX FONT SIZE) ==================== */
.infographic-block {
  width: 100%;
  max-width: 1340px;
  margin: clamp(2.25rem, 5vw, 3.5rem) auto;
  padding: clamp(1.25rem, 3vw, 2.35rem);
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-panel);
  font-size: 1.125rem; /* 18px floor for everything inside infographics */
}

.infographic-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 1.5rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1.125rem;
  border-bottom: 1px solid var(--border-subtle);
}

.infographic-title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.375rem, 1.2rem + 0.7vw, 1.75rem);
  line-height: 1.3;
  color: var(--ink-primary);
}

.infographic-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem;
}

.infographic-tab {
  appearance: none;
  border: 1.5px solid var(--border-strong);
  background: var(--bg-surface);
  color: var(--ink-primary);
  font-family: var(--font-sans);
  font-size: 1.125rem; /* 18px minimum */
  font-weight: 600;
  line-height: 1.3;
  padding: 0.65rem 1.125rem;
  border-radius: 999px;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.18s ease;
}

.infographic-tab:hover {
  border-color: var(--accent-green);
  color: var(--accent-green-dark);
}

.infographic-tab:focus-visible,
.market-btn:focus-visible {
  outline: 3px solid var(--accent-gold-bright);
  outline-offset: 2px;
}

.infographic-tab.is-active {
  background: var(--accent-green);
  border-color: var(--accent-green);
  color: #ffffff;
}

.infographic-panel[hidden] {
  display: none;
}

.infographic-panel.is-active {
  animation: panelFadeIn 0.35s ease;
}

@keyframes panelFadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==================== BALANCED INFOGRAPHIC GRIDS ==================== */
.grid-2-cols {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
  align-items: stretch;
}

.grid-2-cols--spaced {
  margin-top: 1.5rem;
}

.grid-2x2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
  align-items: stretch;
}

.grid-3-cols {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
  align-items: stretch;
}

@media (min-width: 1080px) {
  [data-panel="longcoc"] .grid-2x2,
  [data-panel="tamdao"] .grid-2x2 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ==================== CARDS & DATA TILES ==================== */
.data-card,
.metric-tile,
.kpi-card {
  --top-accent: 0 0 0 transparent;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.35rem;
  box-shadow: var(--top-accent), var(--shadow-card);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1.125rem;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.data-card:hover,
.metric-tile:hover,
.kpi-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--top-accent), 0 10px 26px rgba(20, 28, 24, 0.08);
}

.data-card--green {
  --top-accent: inset 0 4px 0 var(--accent-green);
}

.data-card--gold {
  --top-accent: inset 0 4px 0 var(--accent-gold-bright);
}

.data-card--alert {
  --top-accent: inset 0 4px 0 var(--accent-clay);
}

.card-head {
  display: flex;
  align-items: center;
  gap: 0.875rem;
}

.svg-icon-wrap {
  flex: 0 0 auto;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--accent-green-soft);
  color: var(--accent-green);
  display: grid;
  place-items: center;
}

.svg-icon-wrap--gold {
  background: var(--accent-gold-soft);
  color: var(--accent-gold);
}

.svg-icon-wrap--clay {
  background: #fae8e3;
  color: var(--accent-clay);
}

.card-heading-text {
  font-size: 1.25rem; /* 20px */
  font-weight: 700;
  line-height: 1.35;
  color: var(--ink-primary);
}

.stat-pair-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.875rem;
}

.mini-stat {
  background: var(--bg-page);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 0.875rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.mini-value {
  font-size: 1.375rem; /* 22px */
  font-weight: 800;
  line-height: 1.25;
  color: var(--accent-green-dark);
  font-variant-numeric: tabular-nums;
}

.data-card--gold .mini-value {
  color: var(--accent-gold);
}

.mini-label {
  font-size: 1.125rem; /* 18px */
  line-height: 1.4;
  color: var(--ink-secondary);
}

/* ==================== SVG BARS ==================== */
.bar-metric {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.bar-metric-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.bar-metric-head--spaced {
  margin-top: 0.625rem;
}

.bar-label {
  font-size: 1.125rem; /* 18px */
  font-weight: 500;
  color: var(--ink-secondary);
}

.bar-val {
  font-size: 1.1875rem; /* 19px */
  font-weight: 700;
  color: var(--ink-primary);
  font-variant-numeric: tabular-nums;
}

.svg-bar-track {
  width: 100%;
  height: 20px;
}

.svg-bar {
  width: 100%;
  height: 100%;
  display: block;
}

.bar-bg {
  fill: #e7e2d6;
}

.bar-fill--soft {
  fill: #b9d3c5;
}

.bar-fill--green {
  fill: var(--accent-green);
}

.bar-fill--gold {
  fill: var(--accent-gold-bright);
}

.bar-fill--teal {
  fill: var(--accent-teal);
}

.bar-fill--clay {
  fill: var(--accent-clay);
}

.anim-bar {
  transition: width 0.95s cubic-bezier(0.22, 1, 0.36, 1);
}

.bar-subrow {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  margin-top: 0.25rem;
}

.legend-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 1.125rem; /* 18px */
  color: var(--ink-secondary);
}

.dot {
  flex: 0 0 auto;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  display: inline-block;
}

.dot--green {
  background: var(--accent-green);
}

.dot--gold {
  background: var(--accent-gold-bright);
}

/* ==================== CHIPS & TILES ==================== */
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem;
}

.tag-list--spaced {
  margin-top: 0.25rem;
}

.data-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.45rem 0.875rem;
  border-radius: 999px;
  background: var(--bg-chip);
  color: var(--ink-primary);
  font-size: 1.125rem; /* 18px */
  font-weight: 500;
  line-height: 1.35;
}

.data-chip--accent {
  background: var(--accent-green-soft);
  color: var(--accent-green-dark);
  font-weight: 600;
}

.metric-tile {
  align-items: flex-start;
  gap: 0.625rem;
}

.metric-tile--gold {
  --top-accent: inset 0 4px 0 var(--accent-gold-bright);
}

.tile-icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: var(--accent-green-soft);
  color: var(--accent-green);
  display: grid;
  place-items: center;
}

.metric-tile--gold .tile-icon {
  background: var(--accent-gold-soft);
  color: var(--accent-gold);
}

.tile-number {
  font-size: 1.625rem; /* 26px */
  font-weight: 800;
  line-height: 1.25;
  color: var(--ink-primary);
  font-variant-numeric: tabular-nums;
}

.tile-desc {
  font-size: 1.125rem; /* 18px */
  line-height: 1.45;
  color: var(--ink-secondary);
}

/* ==================== KPI CARDS (PART 2) ==================== */
.kpi-card {
  align-items: center;
  text-align: center;
  gap: 0.5rem;
}

.kpi-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--accent-green-soft);
  color: var(--accent-green);
  display: grid;
  place-items: center;
  margin-bottom: 0.25rem;
}

.kpi-number {
  font-size: clamp(1.75rem, 1.5rem + 1vw, 2.25rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--accent-green-dark);
  font-variant-numeric: tabular-nums;
}

.kpi-label {
  font-size: 1.125rem; /* 18px */
  line-height: 1.4;
  color: var(--ink-secondary);
}

/* ==================== SVG DONUT RINGS ==================== */
.donut-pair {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  align-items: start;
}

.donut-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.625rem;
}

.donut-wrap {
  position: relative;
  width: 132px;
  height: 132px;
}

.donut-svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.donut-track {
  fill: none;
  stroke: #e7e2d6;
  stroke-width: 12;
}

.donut-arc {
  fill: none;
  stroke-width: 12;
  stroke-linecap: round;
  stroke-dasharray: 289.03;
  stroke-dashoffset: 289.03;
  transition: stroke-dashoffset 1.1s cubic-bezier(0.22, 1, 0.36, 1);
}

.donut-arc--green {
  stroke: var(--accent-green);
}

.donut-arc--gold {
  stroke: var(--accent-gold-bright);
}

.donut-center {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
}

.donut-num {
  font-size: 1.625rem; /* 26px */
  font-weight: 800;
  color: var(--ink-primary);
  font-variant-numeric: tabular-nums;
}

.donut-label {
  font-size: 1.125rem; /* 18px */
  line-height: 1.4;
  color: var(--ink-secondary);
}

/* ==================== EXPORT FLOW DIAGRAM (PART 3 TAB 2) ==================== */
.export-flow-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 1.25rem;
  align-items: stretch;
}

.flow-col {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.flow-col-title {
  font-size: 1.1875rem; /* 19px */
  font-weight: 700;
  color: var(--ink-primary);
}

.flow-items {
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem;
}

.flow-pill {
  padding: 0.5rem 0.9rem;
  border-radius: 999px;
  background: var(--bg-chip);
  color: var(--ink-primary);
  font-size: 1.125rem; /* 18px */
  font-weight: 500;
}

.flow-pill--highlight {
  background: var(--accent-gold-soft);
  color: var(--accent-gold);
  font-weight: 700;
}

.flow-hub-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.flow-connector-svg {
  width: 84px;
  height: 44px;
  color: var(--accent-green);
}

.anim-path {
  animation: flowDash 2.2s linear infinite;
}

@keyframes flowDash {
  to {
    stroke-dashoffset: -24;
  }
}

.hub-card {
  background: var(--accent-green);
  color: #ffffff;
  border-radius: var(--radius-md);
  padding: 1.35rem 1.45rem;
  text-align: center;
  max-width: 280px;
  box-shadow: 0 10px 24px rgba(22, 91, 60, 0.22);
}

@media (min-width: 1120px) {
  .flow-hub-col {
    flex-direction: row;
    gap: 0.65rem;
  }

  .flow-connector-svg {
    width: 56px;
    height: 36px;
    flex: 0 0 auto;
  }
}

.hub-badge {
  font-size: 1.125rem; /* 18px */
  font-weight: 600;
  opacity: 0.95;
}

.hub-value {
  margin: 0.35rem 0;
  font-size: 1.625rem; /* 26px */
  font-weight: 800;
  line-height: 1.2;
}

.hub-sub {
  font-size: 1.125rem; /* 18px */
  line-height: 1.4;
  opacity: 0.96;
}

.market-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.65rem;
}

@media (min-width: 1220px) {
  .market-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.market-btn {
  appearance: none;
  border: 1.5px solid var(--border-strong);
  background: var(--bg-page);
  color: var(--ink-primary);
  font-family: var(--font-sans);
  font-size: 1.125rem; /* 18px */
  font-weight: 600;
  padding: 0.65rem 0.75rem;
  border-radius: 10px;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.market-btn:hover {
  border-color: var(--accent-green);
}

.market-btn.is-selected {
  background: var(--accent-green);
  border-color: var(--accent-green);
  color: #ffffff;
}

.market-note {
  margin-top: auto;
  padding: 0.875rem 1rem;
  border-radius: 10px;
  background: var(--accent-green-soft);
  color: var(--accent-green-dark);
  font-size: 1.125rem; /* 18px */
  line-height: 1.5;
  font-weight: 500;
}

/* ==================== AUTHOR BYLINE ==================== */
.article-byline {
  max-width: 720px;
  margin: 2.5rem auto 0;
  padding-top: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.875rem;
}

.byline-rule {
  width: 44px;
  height: 2px;
  background: var(--accent-green);
}

.byline-author {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.375rem;
  color: var(--ink-primary);
}

/* ==================== SCROLL REVEAL ==================== */
.reveal-block {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.65s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.65s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal-block.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ==================== RESPONSIVE (TABLET & MOBILE) ==================== */
@media (max-width: 920px) {
  .export-flow-grid {
    grid-template-columns: 1fr;
  }

  .flow-connector-svg {
    transform: rotate(90deg);
    width: 60px;
    height: 36px;
  }

  .hub-card {
    max-width: 100%;
    width: 100%;
  }
}

@media (max-width: 768px) {
  .grid-3-cols {
    grid-template-columns: 1fr;
  }

  .kpi-card {
    display: grid;
    grid-template-columns: 52px minmax(0, 1fr);
    column-gap: 1rem;
    row-gap: 0.25rem;
    align-items: center;
    text-align: left;
  }

  .kpi-icon {
    grid-row: 1 / 3;
    margin-bottom: 0;
  }
}

@media (max-width: 720px) {
  .grid-2-cols,
  .grid-2x2 {
    grid-template-columns: 1fr;
  }

  .section-heading-wrap {
    gap: 0.875rem;
  }

  .part-marker {
    width: 44px;
    height: 44px;
    font-size: 1.25rem;
  }
}

@media (max-width: 520px) {
  .stat-pair-grid,
  .donut-pair {
    grid-template-columns: 1fr;
  }

  .infographic-tabs {
    width: 100%;
  }

  .infographic-tab {
    flex: 1 1 auto;
    text-align: center;
  }
}

/* ==================== REDUCED MOTION ==================== */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal-block {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .parallax-img {
    transform: none;
    transition: none;
  }

  .anim-bar,
  .donut-arc,
  .anim-path {
    transition: none;
    animation: none;
  }
}