/* ── Base theme: light, high contrast ── */
:root {
  --bg: #eef1f6;
  --surface: #ffffff;
  --surface-2: #f8fafc;
  --surface-hover: #edf2f9;
  --border: #c5cedb;
  --border-strong: #94a3b8;
  --text: #0f172a;
  --muted: #475569;
  --accent: #1d4ed8;
  --accent-hover: #1e40af;
  --accent-soft: #dbeafe;
  --success: #15803d;
  --success-soft: #dcfce7;
  --error: #b91c1c;
  --error-soft: #fee2e2;
  --warning: #b45309;
  --warning-soft: #fef3c7;
  --odlet: #1d4ed8;
  --odlet-soft: #eff6ff;
  --prilet: #c2410c;
  --prilet-soft: #fff7ed;
  --shadow: 0 1px 3px rgba(15, 23, 42, 0.08);
  --radius: 10px;
  --font: "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
}

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

body {
  font-family: var(--font);
  font-size: 16px;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.layout {
  width: 100%;
  max-width: none;
  margin: 0;
  padding: 24px 28px 56px;
}

/* ── Header ── */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 2px solid var(--border);
}

.page-header h1 {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 16px;
  border-radius: 8px;
  border: 1px solid transparent;
  font: inherit;
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
}

.btn:hover { text-decoration: none; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); color: #fff; }
.btn-ghost {
  background: var(--surface);
  color: var(--text);
  border-color: var(--border);
}
.btn-ghost:hover { background: var(--surface-hover); color: var(--text); }
.btn-danger {
  background: var(--surface);
  color: var(--error);
  border-color: #fca5a5;
}
.btn-danger:hover { background: var(--error-soft); color: var(--error); }
.btn-sm { padding: 6px 12px; font-size: 0.875rem; }

/* ── Cards ── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 24px;
  margin-bottom: 24px;
  box-shadow: var(--shadow);
}

.card > h2 {
  font-size: 0.8125rem;
  font-weight: 700;
  margin-bottom: 18px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ── Forms ── */
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}

input[type="text"],
input[type="url"],
input[type="password"],
input[type="time"],
input[type="number"],
select {
  width: 100%;
  padding: 11px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font: inherit;
  font-size: 1rem;
}

select { cursor: pointer; }

input:focus,
select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.form-row {
  display: grid;
  grid-template-columns: minmax(140px, 1fr) minmax(240px, 2fr) repeat(3, minmax(120px, 0.8fr)) auto;
  gap: 14px;
  align-items: end;
}

/* ── Flash & badges ── */
.flash {
  padding: 14px 18px;
  border-radius: 8px;
  margin-bottom: 20px;
  font-size: 0.9375rem;
  font-weight: 500;
}
.flash-success { background: var(--success-soft); color: var(--success); border: 1px solid #86efac; }
.flash-error { background: var(--error-soft); color: var(--error); border: 1px solid #fca5a5; }

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  vertical-align: middle;
}
.badge-active { background: var(--success-soft); color: var(--success); }
.badge-paused { background: #e2e8f0; color: var(--muted); }

.muted { color: var(--muted); font-size: 0.9375rem; }

.price-big {
  font-size: 2.75rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--text);
}

.price-x4 {
  font-size: 0.7em;
  font-weight: 500;
  color: var(--muted);
  margin-left: 0.2em;
}

.price-big .price-x4 { font-size: 0.42em; }

.price-tag {
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.25;
  color: var(--accent);
  white-space: nowrap;
}

.stats-row { display: flex; gap: 28px; flex-wrap: wrap; margin-top: 12px; }
.stat-item .value { font-size: 1.375rem; font-weight: 700; color: var(--text); }
.stat-item .label {
  font-size: 0.8125rem;
  color: var(--muted);
  font-weight: 600;
  margin-top: 2px;
}

/* ── Columns ODLETY / PRILETY ── */
.flight-columns {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

.flight-column {
  min-width: 0;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}

.flight-column--odlet { border-top: 4px solid var(--odlet); }
.flight-column--prilet { border-top: 4px solid var(--prilet); }

.flight-column-title {
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
}

.flight-column--odlet .flight-column-title {
  background: var(--odlet-soft);
  color: var(--odlet);
}

.flight-column--prilet .flight-column-title {
  background: var(--prilet-soft);
  color: var(--prilet);
}

.flight-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 12px;
}

.empty-state {
  text-align: center;
  padding: 32px 16px;
  color: var(--muted);
  font-size: 0.9375rem;
}

/* ── Single flight row (table-like) ── */
.flight-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  padding-bottom: 30px;
}

.flight-card-grid {
  display: grid;
  grid-template-columns: 40px 96px 1fr 108px 150px;
  gap: 14px;
  align-items: center;
  padding: 14px 16px 10px;
}

.flight-card-airline img {
  display: block;
  width: 96px;
  height: 32px;
  object-fit: contain;
}

.flight-card-airline span {
  display: block;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 4px;
  text-align: center;
}

.flight-card-title {
  font-size: 1.125rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 6px;
}

.flight-card-title a { color: var(--text); text-decoration: none; }
.flight-card-title a:hover { color: var(--accent); }

.flight-card-schedule {
  font-size: 0.9375rem;
  color: var(--text);
  line-height: 1.5;
}

.flight-card-meta {
  font-size: 0.8125rem;
  color: var(--muted);
  margin-top: 4px;
}

.flight-card-chart .sparkline {
  display: block;
  width: 100px;
  height: 36px;
}

.flight-card-price {
  text-align: right;
  padding-right: 4px;
}

/* ── Icon action buttons (bottom-right) ── */
.icon-actions {
  position: absolute;
  right: 8px;
  bottom: 6px;
  display: flex;
  gap: 3px;
  align-items: center;
}

.icon-actions form {
  display: inline-flex;
  margin: 0;
  padding: 0;
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--surface);
  color: var(--muted);
  cursor: pointer;
  text-decoration: none;
  line-height: 0;
}

.icon-btn svg {
  width: 12px;
  height: 12px;
  display: block;
}

.icon-btn:hover {
  background: var(--surface-hover);
  color: var(--text);
  text-decoration: none;
}

.icon-btn-danger:hover {
  background: var(--error-soft);
  color: var(--error);
  border-color: #fca5a5;
}

/* ── Reorder ── */
.list-reorder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.list-reorder form { display: inline; }

.reorder-btn {
  min-width: 32px;
  padding: 4px 8px;
  line-height: 1;
  font-size: 0.875rem;
}

.reorder-btn:disabled { opacity: 0.35; cursor: not-allowed; }

.list-position {
  font-size: 0.8125rem;
  font-weight: 800;
  color: var(--muted);
}

/* ── Connected group ── */
.flight-group {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.flight-group-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 16px;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
}

.flight-group-header-main {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  flex: 1;
}

.flight-group-label {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
}

.flight-group-label strong {
  color: var(--text);
  font-size: 1rem;
  text-transform: none;
}

.flight-group-total {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--accent);
  white-space: nowrap;
}

.flight-group-body {
  display: flex;
  flex-direction: row;
  align-items: stretch;
  padding: 12px;
  gap: 0;
  overflow-x: auto;
}

.flight-leg {
  position: relative;
  flex: 1 1 220px;
  min-width: 200px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 14px 14px 32px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.flight-leg-connector {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 32px;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--border-strong);
}

.flight-leg-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.flight-leg-head img {
  height: 28px;
  max-width: 90px;
  object-fit: contain;
}

.flight-leg-name {
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.3;
}

.flight-leg-name a { color: var(--text); text-decoration: none; }
.flight-leg-name a:hover { color: var(--accent); }

.flight-leg-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.flight-leg-info { flex: 1; min-width: 0; }

.flight-leg-schedule {
  font-size: 0.9375rem;
  line-height: 1.45;
  color: var(--text);
}

.flight-leg-sub {
  font-size: 0.8125rem;
  color: var(--muted);
  margin-top: 4px;
}

.flight-leg-chart .sparkline {
  display: block;
  width: 88px;
  height: 32px;
  flex-shrink: 0;
}

/* ── Responsive ── */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: 20px;
}
.back-link:hover { color: var(--accent); text-decoration: none; }

.detail-header { margin-bottom: 24px; }
.detail-header-top {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 10px;
}
.detail-airline-logo {
  width: 120px;
  height: 40px;
  object-fit: contain;
}
.detail-header h1 {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.chart-wrap { position: relative; height: 340px; margin-top: 8px; }

.history-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
}
.history-table th,
.history-table td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
.history-table th {
  color: var(--muted);
  font-weight: 700;
  font-size: 0.8125rem;
  text-transform: uppercase;
  background: var(--surface-2);
}
.history-table tbody tr:hover { background: var(--surface-hover); }

.schedule-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
}
.schedule-item .label {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  margin-bottom: 4px;
}
.schedule-item .value { font-size: 1.125rem; font-weight: 700; }

.manual-price-form {
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
}
.manual-price-grid {
  display: grid;
  grid-template-columns: 1fr 120px auto;
  gap: 12px;
  align-items: end;
  max-width: 440px;
}

.edit-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}
.edit-header h1 { font-size: 1.75rem; font-weight: 800; }
.edit-airline-logo { width: 96px; height: 32px; object-fit: contain; }
.form-actions { display: flex; gap: 12px; margin-top: 12px; }

.auth-layout {
  max-width: 420px;
  margin: 0 auto;
  padding-top: 72px;
}
.auth-layout .card h2.auth-title {
  text-transform: none;
  font-size: 1.375rem;
  color: var(--text);
  margin-bottom: 6px;
}

/* ── Responsive ── */
@media (max-width: 1100px) {
  .form-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .form-row .btn-primary { grid-column: 1 / -1; justify-self: start; }

  .flight-card-grid {
    grid-template-columns: 36px 72px 1fr auto;
    row-gap: 10px;
  }

  .flight-card-chart { display: none; }
}

@media (max-width: 900px) {
  .flight-columns { grid-template-columns: 1fr; }
  .layout { padding: 16px; }
}

@media (max-width: 640px) {
  .form-row { grid-template-columns: 1fr; }
  .flight-card-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .manual-price-grid { grid-template-columns: 1fr; }
}