/* ── Base ── */
:root {
  --color-low: #22c55e;
  --color-low-bg: #f0fdf4;
  --color-moderate: #eab308;
  --color-moderate-bg: #fefce8;
  --color-elevated: #f97316;
  --color-elevated-bg: #fff7ed;
  --color-high: #ef4444;
  --color-high-bg: #fef2f2;
  --color-extreme: #991b1b;
  --color-extreme-bg: #450a0a;
  --color-extreme-text: #fff;
  --bg: #f8fafc;
  --surface: #ffffff;
  --text: #1e293b;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --radius: 12px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Inter', 'Heebo', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

[dir="rtl"] body {
  font-family: 'Heebo', 'Inter', system-ui, sans-serif;
}

/* ── Loading ── */
.loading-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
  gap: 16px;
  color: var(--text-muted);
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--border);
  border-top-color: var(--color-elevated);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ── Dashboard Layout ── */
.dashboard {
  max-width: 800px;
  margin: 0 auto;
  padding: 24px 16px;
}

/* ── Header ── */
.header {
  margin-bottom: 24px;
}

.header-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 20px;
}

.site-title {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.site-subtitle {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.lang-btn {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 14px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  color: var(--text);
  transition: background 0.15s;
}
.lang-btn:hover { background: var(--bg); }

/* ── Overall Score ── */
.overall {
  display: flex;
  flex-direction: column;
  padding: 20px 24px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  transition: background 0.3s, border-color 0.3s;
  gap: 12px;
}

.overall-top {
  display: flex;
  align-items: center;
  gap: 16px;
}

.overall-score {
  font-size: 3rem;
  font-weight: 700;
  line-height: 1;
  min-width: 80px;
  text-align: center;
}

.overall-catchphrase {
  font-size: 0.85rem;
  font-style: italic;
  opacity: 0.85;
  line-height: 1.4;
  border-top: 1px solid rgba(0,0,0,0.08);
  padding-top: 10px;
}

.overall-meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.overall-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.overall-level {
  font-size: 1.1rem;
  font-weight: 600;
}

/* ── Level Colors ── */
.level-low { background: var(--color-low-bg); border-color: var(--color-low); }
.level-low .overall-score, .level-low .overall-level { color: var(--color-low); }

.level-moderate { background: var(--color-moderate-bg); border-color: var(--color-moderate); }
.level-moderate .overall-score, .level-moderate .overall-level { color: var(--color-moderate); }

.level-elevated { background: var(--color-elevated-bg); border-color: var(--color-elevated); }
.level-elevated .overall-score, .level-elevated .overall-level { color: var(--color-elevated); }

.level-high { background: var(--color-high-bg); border-color: var(--color-high); }
.level-high .overall-score, .level-high .overall-level { color: var(--color-high); }

.level-extreme { background: var(--color-extreme-bg); border-color: var(--color-extreme); color: var(--color-extreme-text); }
.level-extreme .overall-score, .level-extreme .overall-level { color: var(--color-extreme-text); }
.level-extreme .overall-label, .level-extreme .overall-catchphrase { color: rgba(255,255,255,0.7); }
.level-extreme .overall-catchphrase { border-top-color: rgba(255,255,255,0.15); }

/* ── Trend Badges ── */
.trend-badge {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  margin-inline-start: 6px;
}
.trend-up { color: var(--color-high); }
.trend-down { color: var(--color-low); }
.trend-stable { color: var(--text-muted); }

/* ── Cards Grid ── */
.cards-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 24px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s, background 0.3s;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.card-top {
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-icon { font-size: 1.2rem; }

.card-title {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.card-score-row {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.card-score {
  font-size: 2.2rem;
  font-weight: 700;
  line-height: 1;
}

.card-level {
  font-size: 0.8rem;
  font-weight: 600;
  opacity: 0.8;
}

.card-summary {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
  padding-top: 8px;
  border-top: 1px solid rgba(0,0,0,0.06);
}

.card-updated {
  font-size: 0.7rem;
  color: var(--text-muted);
}

.card-detail-hint {
  font-size: 0.7rem;
  color: var(--text-muted);
  opacity: 0;
  transition: opacity 0.15s;
}
.card:hover .card-detail-hint { opacity: 1; }

.card-badge {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 3px 8px;
  border-radius: 6px;
  margin-inline-start: auto;
}
.card-badge-closed {
  background: #e0f2fe;
  color: #0369a1;
  border: 1px solid #0ea5e9;
}
.card-market-closed {
  border-style: dashed;
  opacity: 0.92;
}

/* ── Card Level Colors (after .card to win cascade) ── */
.card.level-low { background: var(--color-low-bg); border-color: var(--color-low); }
.card.level-low .card-score { color: var(--color-low); }

.card.level-moderate { background: var(--color-moderate-bg); border-color: var(--color-moderate); }
.card.level-moderate .card-score { color: var(--color-moderate); }

.card.level-elevated { background: var(--color-elevated-bg); border-color: var(--color-elevated); }
.card.level-elevated .card-score { color: var(--color-elevated); }

.card.level-high { background: var(--color-high-bg); border-color: var(--color-high); }
.card.level-high .card-score { color: var(--color-high); }

.card.level-extreme { background: var(--color-extreme-bg); border-color: var(--color-extreme); color: var(--color-extreme-text); }
.card.level-extreme .card-score { color: var(--color-extreme-text); }
.card.level-extreme .card-summary,
.card.level-extreme .card-footer,
.card.level-extreme .card-updated,
.card.level-extreme .card-detail-hint { color: rgba(255,255,255,0.8); }

/* ── History Section ── */
.history-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin-bottom: 24px;
}

.history-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text);
}

.history-chart-wrap {
  position: relative;
  height: 280px;
}

/* ── Footer ── */
.footer {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.75rem;
  padding: 16px 0;
}

/* ── Detail Overlay ── */
.detail-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 16px;
  backdrop-filter: blur(4px);
}

.detail-panel {
  background: var(--surface);
  border-radius: var(--radius);
  width: 100%;
  max-width: 560px;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0,0,0,0.2);
}

.detail-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 20px;
  border-radius: var(--radius) var(--radius) 0 0;
  border-bottom: 1px solid rgba(0,0,0,0.08);
}
.detail-header h2 {
  font-size: 1.1rem;
  flex: 1;
}
.detail-score {
  font-size: 1.8rem;
  font-weight: 700;
}
.detail-icon { font-size: 1.4rem; }

.detail-close {
  background: rgba(0,0,0,0.1);
  border: none;
  border-radius: 6px;
  padding: 4px 12px;
  font-size: 0.8rem;
  cursor: pointer;
  color: inherit;
  font-weight: 600;
}
.detail-close:hover { background: rgba(0,0,0,0.2); }

.detail-body {
  padding: 20px;
}

/* ── Detail Stats ── */
.detail-stat-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.detail-stat {
  flex: 1;
  min-width: 100px;
  background: var(--bg);
  border-radius: 8px;
  padding: 12px;
  text-align: center;
}

.detail-stat-value {
  display: block;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text);
}
.detail-stat-value.negative { color: var(--color-high); }
.detail-stat-value.positive { color: var(--color-low); }

.detail-stat-label {
  display: block;
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

/* ── Detail Alert Box ── */
.detail-alert-box {
  background: var(--color-high-bg);
  border: 1px solid var(--color-high);
  border-radius: 8px;
  padding: 12px 16px;
  margin-bottom: 16px;
  color: var(--color-extreme);
}
.detail-alert-box.warning {
  background: var(--color-elevated-bg);
  border-color: var(--color-elevated);
  color: var(--color-elevated);
}
.detail-alert-box.info {
  background: #eff6ff;
  border-color: #3b82f6;
  color: #1d4ed8;
}
.detail-alert-box.info p {
  font-size: 0.85rem;
  margin-top: 6px;
  opacity: 0.9;
}

/* ── Detail Sections ── */
.detail-section {
  margin-bottom: 16px;
}
.detail-section h3 {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.tag {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 10px;
  font-size: 0.8rem;
}

.headline-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.headline-list li {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 8px;
  background: var(--bg);
  border-radius: 6px;
}
.headline-list a {
  color: var(--text);
  text-decoration: none;
  font-size: 0.85rem;
  line-height: 1.4;
}
.headline-list a:hover { text-decoration: underline; }
.headline-source {
  font-size: 0.7rem;
  color: var(--text-muted);
}

.flight-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.flight-list li {
  display: flex;
  gap: 8px;
  padding: 6px 8px;
  background: var(--bg);
  border-radius: 6px;
  font-size: 0.85rem;
}
.flight-airline { font-weight: 600; }
.flight-number { color: var(--text-muted); }

.price-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}
.price-table td {
  padding: 6px 8px;
  border-bottom: 1px solid var(--border);
}
.price-table tr:last-child td { border-bottom: none; }
.price-table td:last-child { text-align: end; font-weight: 600; }

.detail-meta {
  margin-top: 12px;
  font-size: 0.7rem;
  color: var(--text-muted);
}

/* ── Responsive ── */
@media (max-width: 600px) {
  .cards-grid {
    grid-template-columns: 1fr;
  }
  .overall-score { font-size: 2.4rem; }
  .card-score { font-size: 1.8rem; }
  .detail-panel { max-height: 90vh; }
  .detail-stat-row { gap: 8px; }
  .detail-stat { min-width: 80px; padding: 8px; }
}