:root {
  color-scheme: light dark;
  --bg: #f4f6fa;
  --bg-elev: #ffffff;
  --text: #101418;
  --text-muted: #5b6572;
  --border: #e1e5ea;
  --accent: #1f6feb;
  --accent-text: #ffffff;
  --ok: #1a7f4e;
  --ok-bg: #e6f6ee;
  --warn: #9a5b00;
  --warn-bg: #fff2df;
  --danger: #b3261e;
  --danger-bg: #fbe9e7;
  --radius: 16px;
  font-size: 16px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1220;
    --bg-elev: #131c2b;
    --text: #eef2f7;
    --text-muted: #8b97a8;
    --border: #223047;
    --accent: #4d8dff;
    --accent-text: #071019;
    --ok: #5fd399;
    --ok-bg: #10281d;
    --warn: #f0b84c;
    --warn-bg: #2b2107;
    --danger: #ff8a80;
    --danger-bg: #2a1210;
  }
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, sans-serif;
  -webkit-text-size-adjust: 100%;
}

body {
  padding-bottom: env(safe-area-inset-bottom);
  min-height: 100dvh;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: calc(env(safe-area-inset-top) + 12px) 16px 12px;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--border);
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 1.05rem;
}

.brand-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 25%, transparent);
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.icon-btn {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 10px;
  width: 38px;
  height: 38px;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.app {
  max-width: 560px;
  margin: 0 auto;
  padding: 16px 16px 8px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}

.card h2 {
  margin: 0 0 8px;
  font-size: 1rem;
  font-weight: 600;
}

.muted { color: var(--text-muted); }
.small { font-size: 0.82rem; }

/* Setup */
.setup-card label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: 12px 0 6px;
}

.setup-card input[type="password"],
.setup-card input[type="text"] {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 1rem;
}

.btn {
  border: none;
  border-radius: 12px;
  padding: 12px 16px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.btn.primary {
  background: var(--accent);
  color: var(--accent-text);
  width: 100%;
  margin-top: 14px;
}

.btn.secondary {
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  width: 100%;
}

.btn.ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid transparent;
}

.btn.small { padding: 8px 10px; font-size: 0.82rem; }

.error-text {
  color: var(--danger);
  background: var(--danger-bg);
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 0.85rem;
  margin-top: 12px;
}

.setup-card #resetKeyBtn {
  margin-top: 16px;
}

/* Status banner */
.status-banner {
  padding: 12px 14px;
  border-radius: 12px;
  font-size: 0.9rem;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  color: var(--text-muted);
}
.status-banner.error { background: var(--danger-bg); color: var(--danger); border-color: transparent; }
.status-banner.warn { background: var(--warn-bg); color: var(--warn); border-color: transparent; }

/* Flight nav */
.flight-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.flight-nav-label { text-align: center; flex: 1; }
.flight-nav-title { font-weight: 600; }
.flight-nav-sub { font-size: 0.8rem; }

/* Flight card */
.flight-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}
.flight-number { font-size: 1.15rem; font-weight: 700; letter-spacing: 0.02em; }

.status-pill {
  font-size: 0.78rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.status-pill.timer-before,
.status-pill.timer-after {
  text-transform: none;
  letter-spacing: normal;
  font-variant-numeric: tabular-nums;
}
.status-pill.timer-before { background: var(--ok-bg); color: var(--ok); }
.status-pill.timer-after { background: var(--danger-bg); color: var(--danger); }
.status-pill.deadhead {
  background: color-mix(in srgb, var(--accent) 15%, transparent);
  color: var(--accent);
}

.route {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}
.route-point { text-align: center; flex: 1; }
.route-code { font-size: 2rem; font-weight: 800; letter-spacing: 0.02em; }
.route-label { font-size: 0.78rem; color: var(--text-muted); margin-top: 2px; }
.route-time {
  font-size: 1rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  margin-top: 6px;
}
.route-line {
  flex: 1.4;
  height: 1px;
  background: var(--border);
  position: relative;
  margin: 0 6px 20px;
}
.route-line .plane {
  position: absolute;
  top: -11px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 1rem;
  color: var(--accent);
}

.meta-row {
  display: flex;
  gap: 12px;
  border-top: 1px solid var(--border);
  padding-top: 12px;
}
.meta-item { flex: 1; }
.meta-key { font-size: 0.72rem; color: var(--text-muted); text-transform: uppercase; }
.meta-val { font-weight: 600; margin-top: 2px; }

/* Layover */
.layover-place {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: 0.01em;
}
.layover-hotel { font-size: 0.95rem; margin-top: 8px; margin-bottom: 4px; }

.layover-card label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: 12px 0 6px;
}
.layover-card input[type="text"] {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 1rem;
}
#layoverPickup { margin-top: 12px; }

.layover-currency { margin-top: 16px; }
.currency-calc {
  display: flex;
  align-items: center;
  gap: 10px;
}
.currency-calc-field {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px 10px;
}
.currency-calc-field input[type="number"] {
  width: 100%;
  min-width: 0;
  border: none;
  background: transparent;
  color: var(--text);
  font-size: 1.05rem;
  font-variant-numeric: tabular-nums;
  padding: 0;
}
.currency-calc-field input[type="number"]:focus { outline: none; }
.currency-calc-output {
  font-size: 1.05rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}
.currency-unit {
  color: var(--text-muted);
  font-size: 0.85rem;
  flex: 0 0 auto;
}
.currency-calc-eq { color: var(--text-muted); flex: 0 0 auto; }
#currencyNote { margin-top: 8px; }

.layover-crew { margin-top: 16px; }
.layover-crew-title { margin-bottom: 8px; }
.layover-crew-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.layover-crew-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px 10px;
}
.layover-crew-name { font-size: 0.9rem; }
.layover-crew-name .crew-role {
  font-size: 0.7rem;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.03em;
  margin-left: 6px;
}
.layover-card .layover-crew-room {
  width: 72px !important;
  flex: 0 0 auto;
  padding: 8px 10px !important;
  border-radius: 8px !important;
  font-size: 0.9rem !important;
  text-align: center;
}

/* Crew */
.crew-card-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 8px;
}
.crew-card-head h2 { margin: 0; }

#crewSourceSwitchBtn {
  margin-top: 10px;
}

.crew-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.crew-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 0.9rem;
}
.crew-role {
  font-size: 0.7rem;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.03em;
}

.crew-pdf-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 4px;
}
.crew-pdf-head h2 { margin: 0; }

.file-btn {
  margin-top: 10px;
  cursor: pointer;
}

#crewPdfStatus {
  margin-top: 12px;
}

.crew-pdf-card #crewPdfRawToggle {
  margin-top: 10px;
}

.pdf-text {
  margin-top: 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
  font-size: 0.85rem;
  white-space: pre-wrap;
  max-height: 260px;
  overflow-y: auto;
}