/* ============================================
   KPI 115 Self-Evaluation — Style
   Theme: Dark dashboard with warm gold accents
   ============================================ */

:root {
  /* Surfaces */
  --bg-body: #08080c;
  --bg-surface: #111118;
  --bg-surface-2: #1a1a24;
  --bg-surface-3: #242430;
  --bg-hover: #2a2a38;

  /* Borders */
  --border: #2a2a36;
  --border-subtle: #1e1e2a;

  /* Text */
  --text-primary: #ededf0;
  --text-secondary: #9d9db0;
  --text-muted: #6b6b80;

  /* Accent — warm gold for achievement */
  --gold: #d4a843;
  --gold-dim: #b8922e;
  --gold-glow: rgba(212, 168, 67, 0.15);

  /* Status */
  --success: #34d399;
  --success-dim: rgba(52, 211, 153, 0.12);
  --warning: #fbbf24;
  --warning-dim: rgba(251, 191, 36, 0.12);
  --danger: #f87171;
  --danger-dim: rgba(248, 113, 113, 0.12);
  --info: #60a5fa;
  --info-dim: rgba(96, 165, 250, 0.12);
  --neutral: #71717a;
  --neutral-dim: rgba(113, 113, 122, 0.12);

  /* Fonts */
  --font-display: 'Instrument Serif', 'Noto Serif TC', serif;
  --font-heading: 'Outfit', 'Noto Sans TC', sans-serif;
  --font-body: 'Noto Sans TC', 'Outfit', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Spacing */
  --content-max: 960px;
  --header-h: 64px;
  --tab-h: 48px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

/* Grain texture overlay */
.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

/* ---- Header ---- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-h);
  background: rgba(8, 8, 12, 0.85);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  border-bottom: 1px solid var(--border-subtle);
  z-index: 100;
}

.header-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
}

.header-brand {
  display: flex;
  align-items: baseline;
  gap: 16px;
}

.header-title {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.header-meta {
  font-family: var(--font-heading);
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 400;
  display: flex;
  align-items: center;
  gap: 8px;
}

.header-divider {
  color: var(--border);
}

/* Quarter tabs */
.quarter-nav {
  display: flex;
  gap: 4px;
}

.quarter-tab {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  padding: 6px 14px;
  border: 1px solid transparent;
  border-radius: 6px;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s;
}

.quarter-tab:hover:not(:disabled) {
  color: var(--text-secondary);
  background: var(--bg-surface);
}

.quarter-tab.active {
  color: var(--gold);
  background: var(--gold-glow);
  border-color: rgba(212, 168, 67, 0.25);
}

.quarter-tab:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

/* ---- Item Navigation ---- */
.item-nav {
  position: fixed;
  top: var(--header-h);
  left: 0;
  right: 0;
  height: var(--tab-h);
  background: rgba(8, 8, 12, 0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  z-index: 99;
  overflow-x: auto;
  scrollbar-width: none;
}

.item-nav::-webkit-scrollbar { display: none; }

.item-nav-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: stretch;
  padding: 0 24px;
  gap: 0;
}

.item-tab {
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 500;
  padding: 0 16px;
  border: none;
  border-bottom: 2px solid transparent;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}

.item-tab:hover {
  color: var(--text-secondary);
}

.item-tab.active {
  color: var(--text-primary);
  border-bottom-color: var(--gold);
}

/* ---- Main Content ---- */
.content {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: calc(var(--header-h) + var(--tab-h) + 32px) 24px 80px;
}

/* Tab panels */
.tab-panel {
  display: none;
  animation: fadeIn 0.35s ease;
}

.tab-panel.active {
  display: block;
}

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

/* ---- Section Titles ---- */
.section-title {
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin: 40px 0 16px;
}

/* ---- Overview Hero ---- */
.overview-hero {
  display: flex;
  align-items: center;
  gap: 48px;
  min-height: 160px;
  padding: 32px 40px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  margin-bottom: 8px;
}

.hero-score-block {
  text-align: center;
  flex-shrink: 0;
}

.hero-label {
  font-family: var(--font-heading);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.hero-score {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 2px;
}

.hero-number {
  font-family: var(--font-display);
  font-size: clamp(56px, 10vw, 88px);
  font-weight: 400;
  line-height: 1;
  color: var(--gold);
}

.hero-percent {
  font-family: var(--font-display);
  font-size: clamp(24px, 4vw, 36px);
  font-style: italic;
  color: var(--gold-dim);
}

.hero-period {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 8px;
}

.hero-summary {
  display: flex;
  gap: 32px;
}

.hero-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-stat-value {
  font-family: var(--font-display);
  font-size: 36px;
  line-height: 1.2;
  color: var(--text-primary);
}

.hero-stat-value.success { color: var(--success); }
.hero-stat-value.danger { color: var(--danger); }

.hero-stat-label {
  font-size: 12px;
  color: var(--text-muted);
}

/* ---- KPI Cards Grid ---- */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 12px;
}

.kpi-grid-2 {
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}

.kpi-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  cursor: pointer;
  transition: all 0.25s;
  position: relative;
  overflow: hidden;
}

.kpi-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  transition: opacity 0.25s;
  opacity: 0;
}

.kpi-card[data-status="exceeded"]::before { background: var(--success); opacity: 1; }
.kpi-card[data-status="completed"]::before { background: var(--info); opacity: 1; }
.kpi-card[data-status="partial"]::before { background: var(--warning); opacity: 1; }
.kpi-card[data-status="failed"]::before { background: var(--danger); opacity: 1; }
.kpi-card[data-status="na"]::before { background: var(--neutral); opacity: 1; }

.kpi-card:hover {
  border-color: var(--bg-surface-3);
  background: var(--bg-surface-2);
  transform: translateY(-2px);
}

.kpi-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.kpi-card-score {
  font-family: var(--font-display);
  font-size: 28px;
  color: var(--text-primary);
}

.kpi-card[data-status="exceeded"] .kpi-card-score { color: var(--success); }
.kpi-card[data-status="failed"] .kpi-card-score { color: var(--danger); }

/* Badges */
.kpi-badge {
  font-family: var(--font-heading);
  font-size: 11px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 100px;
  letter-spacing: 0.02em;
}

.badge-exceeded { background: var(--success-dim); color: var(--success); }
.badge-completed { background: var(--info-dim); color: var(--info); }
.badge-partial { background: var(--warning-dim); color: var(--warning); }
.badge-failed { background: var(--danger-dim); color: var(--danger); }
.badge-na { background: var(--neutral-dim); color: var(--neutral); }

.kpi-card-title {
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.kpi-card-desc {
  font-size: 13px;
  color: var(--text-muted);
}

/* ---- Detail Pages ---- */
.detail-hero {
  display: flex;
  align-items: center;
  gap: 32px;
  min-height: 160px;
  padding: 32px 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 32px;
}

.detail-hero-left {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
  min-width: 120px;
}

.detail-score-wrap {
  display: flex;
  align-items: baseline;
  gap: 2px;
}

.detail-score {
  font-family: var(--font-display);
  font-size: clamp(48px, 8vw, 72px);
  line-height: 1;
  color: var(--gold);
}

.detail-score-wrap.failed .detail-score {
  color: var(--danger);
}

.detail-percent {
  font-family: var(--font-display);
  font-size: clamp(20px, 3vw, 30px);
  font-style: italic;
  color: var(--gold-dim);
}

.detail-score-wrap.failed .detail-percent {
  color: var(--danger);
  opacity: 0.6;
}

.detail-hero-right {
  flex: 1;
  padding-top: 8px;
}

.detail-title {
  font-family: var(--font-heading);
  font-size: clamp(20px, 3vw, 26px);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
  line-height: 1.3;
}

.detail-target {
  display: flex;
  gap: 12px;
  align-items: baseline;
}

.detail-target-label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--text-muted);
  background: var(--bg-surface-2);
  padding: 2px 8px;
  border-radius: 4px;
  flex-shrink: 0;
}

.detail-target-text {
  font-size: 14px;
  color: var(--text-secondary);
}

/* Detail body */
.detail-body h3 {
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin: 32px 0 16px;
}

.detail-body h3:first-child {
  margin-top: 0;
}

.detail-narrative p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 12px;
}

.detail-narrative p:last-child {
  margin-bottom: 0;
}

/* ---- Metrics Grid ---- */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
}

.metric-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.metric-value {
  font-family: var(--font-display);
  font-size: 28px;
  color: var(--gold);
}

.metric-label {
  font-size: 12px;
  color: var(--text-muted);
}

/* ---- Evidence List ---- */
.evidence-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.evidence-item {
  display: flex;
  gap: 16px;
  padding: 16px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  transition: background 0.2s;
}

.evidence-item:hover {
  background: var(--bg-surface-2);
}

.evidence-icon {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gold-glow);
  color: var(--gold);
  border-radius: 8px;
  flex-shrink: 0;
}

.evidence-content h4 {
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.evidence-content p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.evidence-content code {
  font-family: var(--font-mono);
  font-size: 12px;
  background: var(--bg-surface-3);
  padding: 1px 6px;
  border-radius: 4px;
  color: var(--gold);
}

/* ---- Image Showcase ---- */
.image-showcase {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  text-align: center;
}

.image-showcase img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
}

.image-caption {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 12px;
}

/* ---- External Link ---- */
.external-link-block {
  margin-top: 24px;
}

.external-link {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  text-decoration: none;
  transition: all 0.2s;
}

.external-link:hover {
  background: var(--bg-surface-2);
  border-color: var(--bg-surface-3);
}

.external-link-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-surface-2);
  border-radius: 8px;
  color: var(--text-secondary);
  flex-shrink: 0;
}

.external-link-title {
  display: block;
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}

.external-link-desc {
  display: block;
  font-size: 12px;
  color: var(--text-muted);
}

/* ---- Evaluation Table ---- */
.eval-table-wrap {
  overflow-x: auto;
  border-radius: 10px;
  border: 1px solid var(--border);
}

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

.eval-table th,
.eval-table td {
  padding: 10px 16px;
  text-align: center;
  border-bottom: 1px solid var(--border-subtle);
}

.eval-table th {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  background: var(--bg-surface);
}

.eval-table td:first-child,
.eval-table th:first-child {
  text-align: left;
}

.eval-table td {
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 13px;
}

.eval-table td:first-child {
  font-family: var(--font-body);
  color: var(--text-primary);
}

.eval-table .highlight-col {
  background: var(--gold-glow);
  color: var(--gold);
  font-weight: 500;
}

.eval-table th.highlight-col {
  color: var(--gold);
}

.eval-table tfoot td {
  border-top: 2px solid var(--border);
  border-bottom: none;
  background: var(--bg-surface);
}

.table-note {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 8px;
  text-align: center;
}

.table-note strong {
  color: var(--gold);
}

/* ---- Demo Block ---- */
.demo-block {
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
}

.demo-iframe-wrap {
  position: relative;
  width: 100%;
  height: 500px;
  background: #fff;
}

.demo-iframe-wrap iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.demo-actions {
  display: flex;
  justify-content: center;
  padding: 12px;
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
}

.demo-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 500;
  color: var(--gold);
  text-decoration: none;
  padding: 6px 16px;
  border-radius: 6px;
  transition: background 0.2s;
}

.demo-link:hover {
  background: var(--gold-glow);
}

/* ---- Topic Columns ---- */
.topic-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.topic-column {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
}

.topic-heading {
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.topic-icon {
  color: var(--gold);
  display: flex;
}

.topic-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.topic-list li {
  font-size: 13px;
  color: var(--text-secondary);
  padding-left: 16px;
  position: relative;
}

.topic-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--gold-dim);
}

/* ---- Vault Structure ---- */
.vault-structure {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px;
}

.vault-root {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 15px;
  color: var(--gold);
  margin-bottom: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.vault-children {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 8px;
}

.vault-node {
  font-size: 13px;
  color: var(--text-secondary);
  padding: 8px 12px;
  background: var(--bg-surface-2);
  border-radius: 6px;
  text-align: center;
  transition: all 0.2s;
}

.vault-node:hover {
  background: var(--bg-surface-3);
  color: var(--text-primary);
}

/* ---- Template Grid ---- */
.template-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.template-chip {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 6px 14px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--text-secondary);
  transition: all 0.2s;
}

.template-chip:hover {
  border-color: var(--gold-dim);
  color: var(--gold);
}

/* ---- Postpone Note ---- */
.postpone-note {
  display: flex;
  gap: 16px;
  padding: 20px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--warning);
  border-radius: 10px;
  margin-top: 24px;
}

.postpone-icon {
  color: var(--warning);
  flex-shrink: 0;
  padding-top: 2px;
}

.postpone-content h4 {
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.postpone-content p {
  font-size: 13px;
  color: var(--text-secondary);
}

/* ---- Routine Section ---- */
.routine-section {
  padding: 24px 0;
}

.routine-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
  margin-bottom: 16px;
}

.routine-header h3 {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 8px;
  text-transform: none;
  letter-spacing: 0;
}

.routine-score-block {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 6px;
  flex-shrink: 0;
}

.routine-score {
  font-family: var(--font-display);
  font-size: 32px;
  color: var(--gold);
  line-height: 1;
}

.routine-score.muted {
  color: var(--text-muted);
}

.section-divider {
  height: 1px;
  background: var(--border);
}

.routine-icon {
  font-size: 48px !important;
  color: var(--text-muted);
  line-height: 1;
}

/* ---- Footer ---- */
.site-footer {
  text-align: center;
  padding: 32px 24px;
  font-size: 12px;
  color: var(--text-muted);
  border-top: 1px solid var(--border-subtle);
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .overview-hero {
    flex-direction: column;
    gap: 24px;
    padding: 24px;
  }

  .hero-summary {
    width: 100%;
    justify-content: center;
  }

  .detail-hero {
    flex-direction: column;
    gap: 16px;
  }

  .detail-hero-left {
    flex-direction: row;
    gap: 16px;
  }

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

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

  .routine-header {
    flex-direction: column;
    gap: 12px;
  }

  .routine-score-block {
    flex-direction: row;
    align-items: center;
  }

  .header-meta {
    display: none;
  }

  .item-nav-inner {
    padding: 0 16px;
  }

  .content {
    padding-left: 16px;
    padding-right: 16px;
  }

  .demo-iframe-wrap {
    height: 350px;
  }
}

@media (max-width: 480px) {
  .header-brand {
    gap: 8px;
  }

  .header-title {
    font-size: 22px;
  }

  .quarter-tab {
    padding: 4px 10px;
    font-size: 12px;
  }

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

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