/* ─── VJTracker – Flight Price Dashboard Styles ────────────────
   Minimal, data-forward design. No glassmorphism gimmicks.
   ────────────────────────────────────────────────────────────── */

/* ── TOKENS ──────────────────────────────────────────────────── */
:root {
  --bg:          #0f1117;
  --surface:     #171922;
  --surface-2:   #1e2130;
  --border:      #2a2e3e;
  --border-soft: #252836;

  --ink:         #e8eaf2;
  --ink-2:       #9ea3b8;
  --ink-3:       #616680;

  --red:         #e05252;
  --green:       #3dbb7e;
  --yellow:      #e8a839;
  --blue:        #4a90d9;
  --accent:      #e05252;

  --font: 'Inter', system-ui, sans-serif;
  --mono: 'JetBrains Mono', 'Courier New', monospace;
  --radius: 6px;
  --radius-sm: 4px;
}

body.light-theme {
  --bg:          #f4f5f9;
  --surface:     #ffffff;
  --surface-2:   #eef0f6;
  --border:      #dde0ec;
  --border-soft: #e8eaf2;
  --ink:         #1a1e2e;
  --ink-2:       #555a72;
  --ink-3:       #9098b2;
}

/* ── RESET ───────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 15px; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--ink);
  min-height: 100vh;
  transition: background 0.25s, color 0.25s;
}

a { color: inherit; text-decoration: none; }

/* ── LAYOUT ──────────────────────────────────────────────────── */
.app-wrap {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 1.25rem 3rem;
}

/* ── TOPBAR ──────────────────────────────────────────────────── */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  position: sticky;
  top: 0;
  z-index: 100;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.topbar-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--ink);
}
.topbar-logo i { color: var(--accent); font-size: 1.1rem; }

.topbar-sep { width: 1px; height: 1.2rem; background: var(--border); }

.topbar-subtitle {
  font-size: 0.78rem;
  color: var(--ink-3);
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.last-scan {
  font-size: 0.73rem;
  color: var(--ink-3);
  font-family: var(--mono);
}
.last-scan b { color: var(--ink-2); }

.icon-btn {
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--ink-2);
  width: 32px; height: 32px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem;
  transition: border-color 0.15s, color 0.15s;
}
.icon-btn:hover { border-color: var(--accent); color: var(--accent); }

.home-btn {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--ink-2);
  border: 1px solid var(--border);
  padding: 0.3rem 0.6rem;
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  transition: border-color 0.15s, color 0.15s;
}
.home-btn:hover { border-color: var(--accent); color: var(--accent); }

/* ── FAVORITE ROUTES BAR ─────────────────────────────────────── */
.fav-bar {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.55rem 0;
  margin-top: 0.75rem;
  border-bottom: 1px solid var(--border-soft);
  min-height: 34px;
}
.fav-bar:empty, .fav-bar.hidden { display: none; }

.fav-pills {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
  flex: 1;
}

.fav-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.22rem 0.55rem;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--ink-2);
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}
.fav-pill:hover { border-color: var(--ink-2); color: var(--ink); }
.fav-pill.active { border-color: var(--accent); color: var(--accent); background: var(--surface-2); }

.fav-pill .fav-remove {
  font-size: 0.6rem;
  color: var(--ink-3);
  margin-left: 0.15rem;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.15s, color 0.15s;
}
.fav-pill:hover .fav-remove { opacity: 1; }
.fav-pill .fav-remove:hover { color: var(--red); }

.fav-add-btn {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--ink-3);
  background: none;
  border: 1px dashed var(--border);
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.3rem;
  white-space: nowrap;
  transition: all 0.15s;
  flex-shrink: 0;
}
.fav-add-btn:hover { border-color: var(--yellow); color: var(--yellow); }
.fav-add-btn .fa-star { font-size: 0.65rem; }
.fav-add-btn.saved { border-color: var(--yellow); color: var(--yellow); border-style: solid; }

/* ── CONTROLS BAR ──────────────────────────────────────── */
.controls-bar {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 0;
  border-bottom: 1px solid var(--border-soft);
  margin-top: 0.75rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.ctrl-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  padding: 0.7rem 1rem;
  border-bottom: 1px solid var(--border-soft);
}

.airline-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  padding: 0.6rem 1rem;
  background: var(--surface-2);
}

.ctrl-label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--ink-3);
  white-space: nowrap;
  flex-shrink: 0;
}

.route-selector {
  display: flex;
  align-items: center;
  gap: 0;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

select.sel {
  background: transparent;
  border: none;
  outline: none;
  color: var(--ink);
  font-family: var(--font);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  padding: 0.4rem 0.6rem;
  -webkit-appearance: none;
  appearance: none;
}
select.sel option { background: var(--surface); color: var(--ink); }

.reverse-btn {
  background: var(--surface-2);
  border: none;
  border-left: 1px solid var(--border);
  border-right: 1px solid var(--border);
  color: var(--ink-3);
  padding: 0.4rem 0.65rem;
  cursor: pointer;
  font-size: 0.8rem;
  transition: color 0.15s, background 0.15s;
  display: flex;
  align-items: center;
}
.reverse-btn:hover {
  background: var(--surface);
  color: var(--accent);
}
.reverse-btn i { pointer-events: none; }

.pill-group {
  display: flex;
  gap: 0.3rem;
}

.pill {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.3rem 0.65rem;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--ink-2);
  cursor: pointer;
  transition: all 0.15s;
}
.pill:hover { border-color: var(--ink-2); color: var(--ink); }
.pill.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* ── AIRLINE CHECKBOX CARDS ────────────────────────────── */
.airline-checks {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.airline-check-label {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.3rem 0.7rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface);
  cursor: pointer;
  user-select: none;
  transition: border-color 0.15s, opacity 0.2s, background 0.15s;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--ink-3);
}
.airline-check-label:hover:not(.disabled):not(.checked) {
  border-color: var(--ink-2);
  color: var(--ink);
}
.airline-check-label.checked {
  border-color: currentColor;
  color: inherit;
  background: var(--surface);
}
.airline-check-label input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0; height: 0;
}
.check-box {
  width: 14px; height: 14px;
  border: 1.5px solid var(--border);
  border-radius: 3px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s, border-color 0.15s;
}
.check-box i {
  font-size: 0.55rem;
  color: #fff;
  opacity: 0;
  transition: opacity 0.1s;
}
.airline-check-label.checked .check-box {
  background: currentColor;
  border-color: currentColor;
}
.airline-check-label.checked .check-box i {
  opacity: 1;
  color: #fff;
}
.airline-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
  transition: opacity 0.2s;
}
.airline-check-label.disabled {
  opacity: 0.28;
  cursor: not-allowed;
  pointer-events: none;
}
.airline-check-label.disabled > span:last-child {
  text-decoration: line-through;
  text-decoration-color: var(--ink-3);
}

/* ── STATS ROW ───────────────────────────────────────────────── */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
  margin: 1.25rem 0;
}

.stat-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
}

.stat-box-label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--ink-3);
  margin-bottom: 0.35rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.stat-carrier-tag {
  font-size: 0.58rem;
  font-weight: 600;
  text-transform: none;
  letter-spacing: 0;
  padding: 0.08rem 0.35rem;
  border-radius: 3px;
  background: var(--surface-2);
  color: var(--ink-2);
  border: 1px solid var(--border-soft);
}

.stat-box-value {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
}

/* Price change delta badge */
.stat-box-delta {
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
  font-size: 0.68rem;
  font-weight: 700;
  font-family: var(--mono);
  padding: 0.1rem 0.35rem;
  border-radius: 3px;
  margin-top: 0.2rem;
}
.stat-box-delta:empty { display: none; }
.stat-box-delta.up   { background: rgba(224,82,82,0.12); color: var(--red); }
.stat-box-delta.down { background: rgba(61,187,126,0.12); color: var(--green); }
.stat-box-delta.flat { background: rgba(232,168,57,0.12); color: var(--yellow); }

.stat-box-sub {
  font-size: 0.71rem;
  color: var(--ink-3);
  margin-top: 0.25rem;
  font-family: var(--mono);
}

/* Recommendation box */
.stat-box.rec-box {
  grid-column: span 1;
  border-left: 3px solid var(--border);
  transition: border-color 0.25s;
}
.stat-box.rec-box.buy  { border-left-color: var(--green); }
.stat-box.rec-box.wait { border-left-color: var(--red); }
.stat-box.rec-box.flat { border-left-color: var(--yellow); }

.rec-verdict {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.73rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  margin-bottom: 0.4rem;
}
.rec-verdict.buy  { background: rgba(61,187,126,0.12); color: var(--green); }
.rec-verdict.wait { background: rgba(224,82,82,0.12);  color: var(--red); }
.rec-verdict.flat { background: rgba(232,168,57,0.12); color: var(--yellow); }

.rec-reason {
  font-size: 0.73rem;
  color: var(--ink-3);
  line-height: 1.5;
  margin-top: 0.2rem;
}

/* ── CHART PANEL ─────────────────────────────────────────────── */
.chart-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem 0.75rem;
  margin-bottom: 1.25rem;
}

.chart-panel-head {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}
.chart-panel-title {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-2);
}
.chart-panel-route {
  font-size: 0.78rem;
  color: var(--ink-3);
  font-family: var(--mono);
}

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

/* ── RAW DATA TABLE ──────────────────────────────────────────── */
.data-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.data-section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.1rem;
  border-bottom: 1px solid var(--border);
}

.data-section-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--ink-2);
}

.data-count {
  font-size: 0.7rem;
  color: var(--ink-3);
  font-family: var(--mono);
}

.table-scroll { overflow-x: auto; }

table.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8rem;
}

table.data-table th {
  padding: 0.5rem 0.85rem;
  text-align: left;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--ink-3);
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

table.data-table td {
  padding: 0.5rem 0.85rem;
  border-bottom: 1px solid var(--border-soft);
  color: var(--ink-2);
  white-space: nowrap;
  font-family: var(--mono);
  font-size: 0.77rem;
}

table.data-table tr:last-child td { border-bottom: none; }
table.data-table tr:hover td { background: var(--surface-2); }

.td-price { color: var(--ink) !important; font-weight: 700; }
.td-route { color: var(--ink) !important; font-weight: 600; font-family: var(--font) !important; }
.no-data { text-align: center; color: var(--ink-3); padding: 2rem !important; font-family: var(--font) !important; }

.carrier-dot {
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 50%;
  margin-right: 0.35rem;
  vertical-align: middle;
}

/* ── ANALYSIS SECTION ────────────────────────────────────────── */
.analysis-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.analysis-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.9rem 1.1rem;
}

.analysis-card-title {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--ink-3);
  margin-bottom: 0.6rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.analysis-card-title i { font-size: 0.75rem; }

.trend-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.3rem 0;
  border-bottom: 1px solid var(--border-soft);
  font-size: 0.78rem;
}
.trend-row:last-child { border-bottom: none; }

.trend-label { color: var(--ink-2); }
.trend-value { font-family: var(--mono); font-weight: 700; color: var(--ink); }
.trend-badge {
  font-size: 0.65rem;
  font-weight: 700;
  padding: 0.1rem 0.35rem;
  border-radius: 3px;
}
.trend-badge.up   { background: rgba(224,82,82,0.12);  color: var(--red); }
.trend-badge.down { background: rgba(61,187,126,0.12); color: var(--green); }
.trend-badge.flat { background: rgba(232,168,57,0.12); color: var(--yellow); }

.lead-time-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
}

.lt-cell {
  background: var(--surface-2);
  border: 2px solid var(--border-soft);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.6rem;
  transition: border-color 0.2s;
}
.lt-cell.cheapest {
  border-color: var(--green);
}
.lt-cell-label { font-size: 0.65rem; color: var(--ink-3); font-weight: 600; margin-bottom: 0.2rem; }
.lt-cell-value { font-size: 0.88rem; font-weight: 700; color: var(--ink); font-family: var(--mono); }
.lt-cell-sub   { font-size: 0.62rem; color: var(--ink-3); margin-top: 0.1rem; }

/* ── HOW IT WORKS ────────────────────────────────────────────── */
.info-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 1.25rem;
  overflow: hidden;
}

.info-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.7rem 1.1rem;
  cursor: pointer;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--ink-2);
  list-style: none;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
}
.info-toggle::-webkit-details-marker { display: none; }
.info-toggle:hover { color: var(--ink); }

.info-body {
  padding: 0 1.1rem 0.85rem;
  border-top: 1px solid var(--border-soft);
  font-size: 0.78rem;
  color: var(--ink-2);
  line-height: 1.65;
}
.info-body p + p { margin-top: 0.5rem; }
.info-body ul { margin: 0.4rem 0 0.4rem 1.2rem; }
.info-body li { margin-bottom: 0.25rem; }
.info-body code {
  font-family: var(--mono);
  font-size: 0.72rem;
  background: var(--surface-2);
  border: 1px solid var(--border);
  padding: 0.1rem 0.35rem;
  border-radius: 3px;
  color: var(--ink);
}

/* ── COLLAPSIBLE DATA SECTION ───────────────────────── */
.data-section details summary { list-style: none; }
.data-section details summary::-webkit-details-marker { display: none; }

.data-section-head.data-toggle {
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.1rem;
  border-bottom: none;
  transition: background 0.15s;
}
.data-section-head.data-toggle:hover { background: var(--surface-2); }

.toggle-chevron {
  font-size: 0.72rem;
  color: var(--ink-3);
  transition: transform 0.2s;
  margin-left: 0.5rem;
}
details[open] .toggle-chevron { transform: rotate(180deg); }
details[open] summary.data-toggle { border-bottom: 1px solid var(--border-soft); }

/* ── KEYBOARD HINTS ──────────────────────────────────────────── */
.kbd-hints {
  display: flex;
  gap: 1.25rem;
  justify-content: center;
  padding: 0.75rem 0 0;
  margin-top: 0.5rem;
}
.kbd-hints span {
  font-size: 0.65rem;
  color: var(--ink-3);
  display: flex;
  align-items: center;
  gap: 0.3rem;
}
kbd {
  font-family: var(--mono);
  font-size: 0.58rem;
  font-weight: 700;
  padding: 0.12rem 0.35rem;
  border-radius: 3px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--ink-2);
  line-height: 1;
}

/* ── RESPONSIVE ───────────────────────────────────────── */
@media (max-width: 768px) {
  .stats-row { grid-template-columns: 1fr 1fr; }
  .analysis-section { grid-template-columns: 1fr; }
  .topbar-subtitle { display: none; }
  .ctrl-row { gap: 0.5rem; }
  .kbd-hints { display: none; }
  .fav-add-btn span { display: none; }
}
@media (max-width: 480px) {
  .stats-row { grid-template-columns: 1fr; }
  .lead-time-grid { grid-template-columns: 1fr 1fr; }
}