/* CSS Variables for theming */
:root {
  /* Light theme (default) */
  --bg-body: #fafafa;
  --bg-card: #fff;
  --bg-topbar: #fff3e6;
  --bg-morepanel: #fff7ee;
  --text-primary: #222;
  --text-secondary: #555;
  --text-muted: #444;
  --border: #ddd;
  --border-light: #eee;
  --shadow: rgba(0,0,0,.1);
  --shadow-light: rgba(0,0,0,.08);
  --card-sfi-bg: #eef2ff;
  --card-sfi-border: #dfe6ff;
  --card-k-bg: #e9f7ee;
  --card-k-border: #d7efde;
  --badge-bg: #eee;
  --btn-bg: #f7f7f7;
  --btn-border: #d7d7d7;
  --table-stripe: #fafafa;
  --spot-hi-bg: #e6f4ea;
  --spot-hi-text: #1b5e20;
}

[data-theme="dark"] {
  --bg-body: #1a1a1a;
  --bg-card: #2d2d2d;
  --bg-topbar: #252525;
  --bg-morepanel: #2a2a2a;
  --text-primary: #e0e0e0;
  --text-secondary: #b0b0b0;
  --text-muted: #999;
  --border: #404040;
  --border-light: #333;
  --shadow: rgba(0,0,0,.3);
  --shadow-light: rgba(0,0,0,.2);
  --card-sfi-bg: #1e2a4a;
  --card-sfi-border: #2d3f6b;
  --card-k-bg: #1e3a2e;
  --card-k-border: #2d5a3f;
  --badge-bg: #3a3a3a;
  --btn-bg: #3a3a3a;
  --btn-border: #555;
  --table-stripe: #252525;
  --spot-hi-bg: #2d4a3a;
  --spot-hi-text: #7fd99f;
}

/* base */
body {
  font-family: sans-serif;
  margin: 0;
  background: var(--bg-body);
  color: var(--text-primary);
  transition: background 0.3s, color 0.3s;
}
* { box-sizing: border-box; }

/* flag */
.flag-wrapper {
  text-align: center;
  padding: 12px 0 4px;
}
.flag-link {
  display: inline-block;
  line-height: 0;
}
.flag-link:hover,
.flag-link:focus-visible {
  opacity: 0.9;
}
.flag-icon {
  width: 64px;
  height: auto;
}

/* top bar */
.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  background: var(--bg-topbar);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 2;
  transition: background 0.3s, border-color 0.3s;
}
.cards-row {
  display: flex;
  gap: 16px;
  align-items: stretch;
}
.top-bar-actions {
  display: flex;
  gap: 10px;
  align-items: center;
}

/* SFI/K cards */
.card-index {
  background: var(--bg-card);
  border-radius: 16px;
  padding: 18px 24px;
  min-width: 140px;
  box-shadow: 0 2px 6px var(--shadow-light);
  border: 1px solid var(--border-light);
  text-align: center;
  transition: background 0.3s, border-color 0.3s;
  cursor: help;
  position: relative;
}
.card-index.sfi {
  background: var(--card-sfi-bg);
  border-color: var(--card-sfi-border);
}
.card-index.k {
  background: var(--card-k-bg);
  border-color: var(--card-k-border);
}

/* Color status indicators */
.card-index.sfi.excellent{background:#d4edda;border-color:#28a745;color:#155724}
.card-index.sfi.good{background:#d1ecf1;border-color:#17a2b8;color:#0c5460}
.card-index.sfi.fair{background:#fff3cd;border-color:#ffc107;color:#856404}
.card-index.sfi.weak{background:#f8d7da;border-color:#dc3545;color:#721c24}
.card-index.sfi.poor{background:#e2e3e5;border-color:#6c757d;color:#383d41}

.card-index.k.excellent{background:#d4edda;border-color:#28a745;color:#155724}
.card-index.k.good{background:#d1ecf1;border-color:#17a2b8;color:#0c5460}
.card-index.k.fair{background:#fff3cd;border-color:#ffc107;color:#856404}
.card-index.k.weak{background:#f8d7da;border-color:#dc3545;color:#721c24}
.card-index.k.poor{background:#e2e3e5;border-color:#6c757d;color:#383d41}

[data-theme="dark"] .card-index.sfi.excellent{background:#1e3a2e;border-color:#28a745;color:#7fd99f}
[data-theme="dark"] .card-index.sfi.good{background:#1e2a4a;border-color:#17a2b8;color:#7fd9ff}
[data-theme="dark"] .card-index.sfi.fair{background:#3a2e1e;border-color:#ffc107;color:#ffd966}
[data-theme="dark"] .card-index.sfi.weak{background:#3a1e1e;border-color:#dc3545;color:#ff7d7d}
[data-theme="dark"] .card-index.sfi.poor{background:#2a2a2a;border-color:#6c757d;color:#999}

[data-theme="dark"] .card-index.k.excellent{background:#1e3a2e;border-color:#28a745;color:#7fd99f}
[data-theme="dark"] .card-index.k.good{background:#1e2a4a;border-color:#17a2b8;color:#7fd9ff}
[data-theme="dark"] .card-index.k.fair{background:#3a2e1e;border-color:#ffc107;color:#ffd966}
[data-theme="dark"] .card-index.k.weak{background:#3a1e1e;border-color:#dc3545;color:#ff7d7d}
[data-theme="dark"] .card-index.k.poor{background:#2a2a2a;border-color:#6c757d;color:#999}

.card-label {
  font-size: 16px;
  color: var(--text-secondary);
  font-weight: 600;
}
.card-value {
  font-size: 42px;
  font-weight: 800;
  line-height: 1;
  margin-top: 8px;
  color: var(--text-primary);
}

/* theme toggle button */
.btn-theme {
  border: 1px solid var(--btn-border);
  background: var(--btn-bg);
  padding: 10px 14px;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 600;
  font-size: 18px;
  transition: background 0.2s, border-color 0.2s;
}
.btn-theme:hover {
  background: var(--border-light);
}

/* one More button (top-right) */
.btn-more {
  border: 1px solid var(--btn-border);
  background: var(--btn-bg);
  padding: 10px 16px;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 600;
  font-size: 15px;
  transition: background 0.2s, border-color 0.2s;
}
.btn-more:hover {
  background: var(--border-light);
}

/* language toggle button reuses btn-more style but slightly tighter */
.btn-lang {
  padding: 8px 10px;
  font-size: 13px;
}
[data-theme="dark"] .btn-lang {
  background: #333333;
  border-color: #555555;
  color: #f5f5f5;
}
[data-theme="dark"] .btn-lang:hover {
  background: #444444;
}

/* collapsible indices panel just under top-bar */
.more-panel {
  display: none;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
  padding: 10px 16px;
  background: var(--bg-morepanel);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s, border-color 0.3s;
}
.more-panel.open {
  display: flex;
}
.badge {
  background: var(--badge-bg);
  border-radius: 20px;
  padding: 8px 16px;
  font-weight: 700;
  min-width: 90px;
  text-align: center;
  color: var(--text-primary);
  transition: background 0.3s, color 0.3s;
  cursor: help;
  position: relative;
}

/* updated line */
.update-line {
  padding: 10px 20px;
  color: var(--text-muted);
  font-size: 15px;
}

/* range switch */
.range-switch {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin: 12px 0 16px;
}
.range-switch .btn {
  padding: 10px 20px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  cursor: pointer;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  transition: all 0.2s;
}
.range-switch .btn:hover {
  background: var(--border-light);
}
.range-switch .btn.active {
  background: #0d6efd;
  color: #fff;
  border-color: #0d6efd;
}

/* cards/generic */
.card {
  background: var(--bg-card);
  border-radius: 12px;
  padding: 20px;
  box-shadow: 0 2px 6px var(--shadow);
  margin: 12px 0;
  transition: background 0.3s, box-shadow 0.3s;
}
.card-tight {
  padding: 12px;
}
.section-compact h2 {
  margin: 12px 0;
  font-size: 24px;
  color: var(--text-primary);
}

/* headings */
h2 {
  font-size: 24px;
  margin: 16px 0 12px;
  color: var(--text-primary);
}

/* chart */
#scoreChartWrap {
  margin-top: 8px;
  /* Базова висота при завантаженні + можливість вертикального розтягування */
  height: 320px;
  resize: vertical;
  min-height: 220px;
  max-height: 640px;
  overflow: auto;
}
canvas#chart-score {
  display: block;
  width: 100%;
  height: 100%;
}

/* spots table */
.spots-controls {
  display: flex;
  justify-content: center;
  margin-bottom: 12px;
}
#spotCounts table {
  width: 100%;
  border-collapse: collapse;
  font-size: 16px;
}
#spotCounts th,
#spotCounts td {
  padding: 12px 16px;
  text-align: right;
  border-bottom: 1px solid var(--border-light);
  color: var(--text-primary);
  cursor: help;
}
#spotCounts th:first-child,
#spotCounts td:first-child {
  text-align: left;
  font-weight: 600;
}
.col-extra {
  display: none;
}
.spot-hi {
  background: var(--spot-hi-bg);
  color: var(--spot-hi-text);
  font-weight: 700;
}
#spotCounts tbody tr:nth-child(odd) {
  background: var(--table-stripe);
}

/* logbook */
.logbook-card iframe {
  width: 100%;
  max-width: 100%;
  border: none;
  border-radius: 8px;
}
[data-theme="dark"] .logbook-card iframe {
  /* Invert QRZ iframe so dark background gets light text */
  filter: invert(1) hue-rotate(180deg);
}

/* contests */
.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 16px 0 12px;
}
.section-header h2 {
  margin: 0;
}
.btn-collapse {
  border: 1px solid var(--btn-border);
  background: var(--btn-bg);
  padding: 6px 12px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  transition: background 0.2s, border-color 0.2s;
  min-width: 40px;
}
.btn-collapse:hover {
  background: var(--border-light);
}
.contests-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.contest-item {
  padding: 14px;
  border: 1px solid var(--border-light);
  border-radius: 8px;
  background: var(--bg-card);
  transition: background 0.2s, border-color 0.2s;
}
.contest-item:hover {
  background: var(--border-light);
  border-color: var(--border);
}
.contest-name {
  font-weight: 700;
  font-size: 17px;
  color: var(--text-primary);
  margin-bottom: 8px;
}
.contest-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  font-size: 14px;
  color: var(--text-secondary);
}
.contest-time {
  font-weight: 600;
}
.contest-duration,
.contest-bands,
.contest-mode {
  padding: 4px 8px;
  background: var(--badge-bg);
  border-radius: 6px;
  font-size: 12px;
}
.contest-link {
  display: inline-block;
  margin-top: 8px;
  color: var(--text-primary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  opacity: 0.8;
  transition: opacity 0.2s;
}
.contest-link:hover {
  opacity: 1;
}

/* debug actions */
.debug-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 10px 0 12px;
}
#debugBlock {
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-card);
  padding: 16px;
  border-radius: 8px;
  overflow-x: auto;
}

/* main content */
main {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px 40px;
}

/* desktop improvements */
@media (min-width: 1024px) {
  body {
    font-size: 16px;
  }
  .card-index {
    min-width: 160px;
    padding: 22px 28px;
  }
  .card-value {
    font-size: 48px;
  }
  .card-label {
    font-size: 18px;
  }
  h2 {
    font-size: 28px;
  }
  .card {
    padding: 24px;
  }
  #spotCounts table {
    font-size: 17px;
  }
  #spotCounts th,
  #spotCounts td {
    padding: 14px 20px;
  }
  main {
    padding: 0 40px 60px;
  }
}

/* mobile */
@media (max-width: 640px) {
  .card-index {
    min-width: 120px;
    padding: 14px 18px;
  }
  .card-value {
    font-size: 32px;
  }
  .top-bar {
    padding: 10px 16px;
  }
  .range-switch {
    gap: 8px;
  }
  .range-switch .btn {
    padding: 8px 14px;
    font-size: 14px;
  }
  main {
    padding: 0 16px 30px;
  }
}