/* KML Curriculum Dashboard v1.0 — visualization only */

:root {
  --font-display: "Shippori Mincho", "Noto Serif JP", "Hiragino Mincho ProN", serif;
  --font-body: "Source Sans 3", "Hiragino Sans", "Noto Sans JP", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;

  --bg: #f4f1ea;
  --bg-elevated: #fbfaf7;
  --bg-muted: #ebe6dc;
  --ink: #1a1814;
  --ink-secondary: #5c564c;
  --ink-tertiary: #8a8378;
  --stroke: #ddd6c8;
  --accent: #2f5d50;
  --accent-soft: #dce8e3;
  --intro: #2f5d50;
  --balanced: #4a6fa5;
  --consol: #a67c52;
  --light-role: #8a8378;
  --danger: #9b3d3d;
  --success: #2f5d50;
  --warning: #a67c52;
  --info: #4a6fa5;
  --shadow: 0 1px 0 rgba(26, 24, 20, 0.04);
  --radius: 10px;
  --radius-sm: 6px;
  --header-h: 64px;
  --ease: 160ms ease;
  color-scheme: light;
}

[data-theme="dark"] {
  --bg: #141210;
  --bg-elevated: #1c1915;
  --bg-muted: #26211c;
  --ink: #ece7de;
  --ink-secondary: #b0a89c;
  --ink-tertiary: #7a7368;
  --stroke: #332e28;
  --accent: #8fbfb0;
  --accent-soft: #243530;
  --intro: #8fbfb0;
  --balanced: #8aa4c8;
  --consol: #c4a07a;
  --light-role: #7a7368;
  --danger: #d08080;
  --success: #8fbfb0;
  --warning: #c4a07a;
  --info: #8aa4c8;
  --shadow: none;
  color-scheme: dark;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.5;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: 0.01em;
  margin: 0;
}

h1 { font-size: 1.65rem; }
h2 { font-size: 1.25rem; margin-bottom: 0.75rem; }
h3 { font-size: 1.05rem; margin-bottom: 0.5rem; }

a { color: var(--accent); }

button, select, input {
  font: inherit;
  color: inherit;
}

.app-header {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: var(--header-h);
  padding: 0.65rem 1.5rem;
  background: color-mix(in srgb, var(--bg-elevated) 92%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--stroke);
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.brand-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
}

.brand-meta {
  font-size: 0.78rem;
  color: var(--ink-tertiary);
  font-family: var(--font-mono);
}

.header-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.btn {
  appearance: none;
  border: 1px solid var(--stroke);
  background: var(--bg-elevated);
  color: var(--ink);
  border-radius: 999px;
  padding: 0.35rem 0.85rem;
  cursor: pointer;
  transition: background var(--ease), border-color var(--ease);
}

.btn:hover {
  background: var(--bg-muted);
}

.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

[data-theme="dark"] .btn-primary {
  color: #141210;
}

.btn-ghost {
  background: transparent;
}

.layout {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1.25rem 1.5rem 4rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.section {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

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

.section-note {
  color: var(--ink-tertiary);
  font-size: 0.85rem;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
}

@media (max-width: 960px) {
  .summary-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 520px) {
  .summary-grid { grid-template-columns: 1fr; }
  .app-header { padding: 0.75rem 1rem; }
  .layout { padding: 1rem 1rem 3rem; }
}

.card {
  background: var(--bg-elevated);
  border: 1px solid var(--stroke);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.card-body {
  padding: 1rem 1.1rem;
}

.stat-card {
  padding: 1rem 1.1rem;
}

.stat-label {
  font-size: 0.78rem;
  color: var(--ink-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.stat-value {
  font-family: var(--font-display);
  font-size: 1.85rem;
  margin-top: 0.25rem;
  line-height: 1.15;
}

.stat-sub {
  margin-top: 0.2rem;
  font-size: 0.8rem;
  color: var(--ink-secondary);
}

.chart-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

@media (max-width: 900px) {
  .chart-grid { grid-template-columns: 1fr; }
}

.chart-card .card-body {
  padding-bottom: 0.5rem;
}

.chart-wrap {
  position: relative;
  height: 240px;
}

.chart-wrap.tall { height: 300px; }
.chart-wrap.short { height: 200px; }

.playlist-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
}

@media (max-width: 1000px) {
  .playlist-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 620px) {
  .playlist-grid { grid-template-columns: 1fr; }
}

.playlist-card {
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.playlist-card h3 {
  font-size: 1rem;
}

.playlist-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.35rem 0.75rem;
  font-size: 0.82rem;
}

.playlist-meta span {
  color: var(--ink-tertiary);
}

.playlist-meta strong {
  font-weight: 600;
  color: var(--ink);
}

/* Collapsible filters — scroll with page; analytics stay primary */
.filter-toolbar {
  border-bottom: 1px solid var(--stroke);
  background: var(--bg);
}

.filter-toolbar-bar {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0.35rem 1.5rem;
}

.filter-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  max-width: 100%;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
}

.filter-toggle-label {
  font-weight: 600;
  color: var(--ink-secondary);
}

.filter-toggle-hint {
  color: var(--ink-tertiary);
  font-size: 0.78rem;
  font-family: var(--font-mono);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: min(52vw, 28rem);
}

.filter-toggle-chevron {
  font-size: 0.65rem;
  color: var(--ink-tertiary);
  transition: transform var(--ease);
}

.filter-toolbar.is-open .filter-toggle-chevron {
  transform: rotate(180deg);
}

.filter-toolbar.is-open .filter-toggle-label::after {
  content: none;
}

.filter-panel {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0.35rem 1.5rem 0.85rem;
  border-top: 1px solid color-mix(in srgb, var(--stroke) 70%, transparent);
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: flex-end;
}

.filters label {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  font-size: 0.75rem;
  color: var(--ink-tertiary);
}

.filters select,
.filters input[type="search"],
.search-box input {
  min-width: 140px;
  padding: 0.4rem 0.65rem;
  border: 1px solid var(--stroke);
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
}

.search-box {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.search-box input {
  flex: 1;
  min-width: 220px;
}

.table-wrap {
  overflow: auto;
  max-height: 420px;
  border: 1px solid var(--stroke);
  border-radius: var(--radius);
  background: var(--bg-elevated);
}

table.data {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

table.data th,
table.data td {
  padding: 0.55rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--stroke);
  white-space: nowrap;
}

table.data th {
  position: sticky;
  top: 0;
  background: var(--bg-muted);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink-secondary);
  z-index: 1;
}

table.data tr:hover td {
  background: color-mix(in srgb, var(--accent-soft) 55%, transparent);
}

.pill {
  display: inline-flex;
  align-items: center;
  padding: 0.1rem 0.5rem;
  border-radius: 999px;
  font-size: 0.75rem;
  background: var(--bg-muted);
}

.pill.intro { background: color-mix(in srgb, var(--intro) 22%, transparent); color: var(--intro); }
.pill.balanced { background: color-mix(in srgb, var(--balanced) 22%, transparent); color: var(--balanced); }
.pill.consolidation { background: color-mix(in srgb, var(--consol) 22%, transparent); color: var(--consol); }
.pill.light { color: var(--light-role); }

.milestone-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.5rem;
}

@media (max-width: 720px) {
  .milestone-list { grid-template-columns: 1fr; }
}

.milestone {
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--stroke);
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
}

.milestone strong {
  display: block;
  font-family: var(--font-display);
  font-weight: 500;
  margin-bottom: 0.2rem;
}

.milestone span {
  font-size: 0.82rem;
  color: var(--ink-secondary);
}

.heatmap {
  display: grid;
  gap: 2px;
  overflow: auto;
}

.heatmap-row {
  display: grid;
  grid-template-columns: 140px repeat(var(--cols, 5), minmax(48px, 1fr));
  gap: 2px;
  align-items: stretch;
}

.heatmap-label {
  font-size: 0.72rem;
  color: var(--ink-secondary);
  display: flex;
  align-items: center;
  padding-right: 0.4rem;
}

.heatmap-cell {
  min-height: 28px;
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  font-family: var(--font-mono);
  color: var(--ink);
}

.heatmap-head {
  font-size: 0.68rem;
  color: var(--ink-tertiary);
  text-align: center;
  padding: 0.25rem 0;
}

.stack-bars {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.stack-row {
  display: grid;
  grid-template-columns: 110px 1fr auto;
  gap: 0.65rem;
  align-items: center;
}

.stack-track {
  display: flex;
  height: 18px;
  border-radius: 999px;
  overflow: hidden;
  background: var(--bg-muted);
}

.stack-seg {
  height: 100%;
}

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1rem;
  font-size: 0.78rem;
  color: var(--ink-secondary);
}

.legend i {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 2px;
  margin-right: 0.35rem;
}

.status-banner {
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  border: 1px solid var(--stroke);
  background: var(--bg-elevated);
  color: var(--ink-secondary);
  font-size: 0.9rem;
}

.status-banner.error {
  border-color: color-mix(in srgb, var(--danger) 40%, var(--stroke));
  color: var(--danger);
}

.status-banner.loading {
  color: var(--ink-tertiary);
}

.export-menu {
  position: relative;
}

.export-menu .menu {
  display: none;
  position: absolute;
  right: 0;
  top: calc(100% + 4px);
  min-width: 180px;
  background: var(--bg-elevated);
  border: 1px solid var(--stroke);
  border-radius: var(--radius-sm);
  padding: 0.35rem;
  z-index: 50;
}

.export-menu.open .menu {
  display: flex;
  flex-direction: column;
}

.export-menu .menu button {
  text-align: left;
  border: 0;
  background: transparent;
  padding: 0.45rem 0.65rem;
  border-radius: 4px;
  cursor: pointer;
}

.export-menu .menu button:hover {
  background: var(--bg-muted);
}

.nav-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  position: sticky;
  top: var(--header-h);
  z-index: 30;
  padding: 0.5rem 0;
  background: color-mix(in srgb, var(--bg) 90%, transparent);
  backdrop-filter: blur(8px);
}

.nav-pills a {
  text-decoration: none;
  color: var(--ink-secondary);
  font-size: 0.8rem;
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
  border: 1px solid transparent;
}

.nav-pills a:hover {
  border-color: var(--stroke);
  background: var(--bg-elevated);
  color: var(--ink);
}

.footer-note {
  font-size: 0.78rem;
  color: var(--ink-tertiary);
  text-align: center;
  padding-top: 1rem;
  border-top: 1px solid var(--stroke);
}

@media print {
  .app-header, .nav-pills, .filter-toolbar, .header-actions, .export-menu {
    display: none !important;
  }
  .layout { max-width: none; padding: 0; }
  .card { break-inside: avoid; }
}