/* ── Reset & base ───────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg:       #f0f4f8;
  --surface:  #ffffff;
  --sidebar:  #1e2d3e;
  --header:   #16212e;
  --accent:   #3b82f6;
  --accent2:  #0ea5e9;
  --fly:      #3b82f6;
  --hike:     #f97316;
  --ground:   #94a3b8;
  --text:     #1e293b;
  --muted:    #64748b;
  --border:   #e2e8f0;
  --radius:   8px;
  --shadow:   0 1px 4px rgba(0,0,0,.12);
}
html, body { height: 100%; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
             font-size: 14px; color: var(--text); background: var(--bg); overflow: hidden; }

/* ── Top bar ────────────────────────────────────────────────────────────── */
#topbar {
  height: 48px; background: var(--header); display: flex; align-items: center;
  padding: 0 16px; gap: 12px; flex-shrink: 0; -webkit-app-region: drag;
}
#topbar * { -webkit-app-region: no-drag; }
.app-title { color: #fff; font-weight: 700; font-size: 16px; letter-spacing: .5px; margin-right: 4px; }
#folder-tags { display: flex; gap: 6px; flex-wrap: wrap; flex: 1; }
.folder-tag { background: #2d4058; color: #a0bcd8; font-size: 11px; padding: 2px 8px;
              border-radius: 20px; white-space: nowrap; max-width: 220px;
              overflow: hidden; text-overflow: ellipsis; }
.topbar-disclaimer { font-size: 10px; color: #64748b; white-space: nowrap; flex-shrink: 0; }

/* ── Buttons ────────────────────────────────────────────────────────────── */
.btn-primary, .btn-secondary {
  padding: 6px 14px; border-radius: var(--radius); border: none; cursor: pointer;
  font-size: 13px; font-weight: 500; transition: opacity .15s;
}
.btn-primary  { background: var(--accent); color: #fff; }
.btn-secondary{ background: #2d4058; color: #a0bcd8; }
.btn-primary:hover  { opacity: .88; }
.btn-secondary:hover:not(:disabled) { background: #3a5070; color: #fff; }
.btn-primary:disabled, .btn-secondary:disabled { opacity: .4; cursor: default; }
.btn-large { padding: 12px 28px; font-size: 15px; }

/* ── Progress bar ───────────────────────────────────────────────────────── */
#progress-bar-wrap {
  height: 30px; background: #0f1924; display: flex; align-items: center;
  padding: 0 16px; gap: 10px; flex-shrink: 0; position: relative; overflow: hidden;
}
#progress-bar-fill {
  position: absolute; left: 0; top: 0; height: 100%;
  background: linear-gradient(90deg, #1d4ed8, #3b82f6); transition: width .3s ease;
  opacity: .25; width: 0;
}
#progress-msg { color: #94a3b8; font-size: 12px; position: relative; z-index: 1; }

/* ── Layout ─────────────────────────────────────────────────────────────── */
#layout { display: flex; height: calc(100vh - 48px); overflow: hidden; }

/* ── Sidebar ────────────────────────────────────────────────────────────── */
#sidebar {
  width: 240px; min-width: 200px; background: var(--sidebar);
  display: flex; flex-direction: column; flex-shrink: 0; border-right: 1px solid #0f1924;
}
#sidebar.hidden { display: none; }
#search {
  margin: 10px; padding: 7px 10px; border-radius: var(--radius); border: 1px solid #2d4058;
  background: #12202f; color: #c8d8e8; font-size: 13px; outline: none;
}
#search::placeholder { color: #4a6480; }
#pilot-list { flex: 1; overflow-y: auto; padding: 0 6px 10px; }
#pilot-list::-webkit-scrollbar { width: 5px; }
#pilot-list::-webkit-scrollbar-thumb { background: #2d4058; border-radius: 3px; }

.pilot-item {
  padding: 9px 10px; border-radius: var(--radius); cursor: pointer; margin-bottom: 3px;
  transition: background .12s;
}
.pilot-item:hover   { background: #253648; }
.pilot-item.active  { background: #1d4ed8; }
.pilot-item-name    { color: #e2eaf2; font-weight: 600; font-size: 13px; margin-bottom: 4px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.pilot-item-meta    { display: flex; gap: 6px; flex-wrap: wrap; }
.pilot-item-meta span { font-size: 11px; border-radius: 4px; padding: 1px 5px; }
.tag-air     { background: #1d3a6e; color: #93c5fd; }
.tag-flights { background: #1a3a2e; color: #6ee7b7; }
.tag-alt     { background: #3a2010; color: #fdba74; }

/* ── Content ────────────────────────────────────────────────────────────── */
#content { flex: 1; overflow-y: auto; padding: 24px; }
#content::-webkit-scrollbar { width: 6px; }
#content::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 3px; }

/* Welcome */
#welcome { text-align: center; padding-top: 120px; }
.welcome-icon { font-size: 64px; margin-bottom: 16px; }
#welcome h1   { font-size: 28px; font-weight: 700; color: var(--text); margin-bottom: 10px; }
#welcome p    { color: var(--muted); line-height: 1.6; margin-bottom: 28px; }

/* ── Pilot detail ───────────────────────────────────────────────────────── */
.pilot-header { margin-bottom: 20px; }
.pilot-header h2 { font-size: 22px; font-weight: 700; }
.pilot-header .meta { color: var(--muted); font-size: 13px; margin-top: 4px; }

/* Stats cards row */
.cards { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 24px; }
.stat-card {
  background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 14px 18px; min-width: 110px; flex: 1;
}
.stat-value { font-size: 22px; font-weight: 700; color: var(--text); line-height: 1; }
.stat-label { font-size: 11px; color: var(--muted); margin-top: 4px; text-transform: uppercase; letter-spacing: .4px; }
.stat-card.fly   .stat-value { color: var(--fly); }
.stat-card.hike  .stat-value { color: var(--hike); }
.stat-card.peak  .stat-value { color: #a855f7; }
.stat-card.vario .stat-value { color: #10b981; }

/* Phase legend */
.phase-legend { display: flex; gap: 16px; margin-bottom: 10px; font-size: 12px; color: var(--muted); }
.phase-legend span { display: flex; align-items: center; gap: 5px; }
.dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.dot-fly   { background: var(--fly); }
.dot-hike  { background: var(--hike); }
.dot-ground{ background: var(--ground); }
.vline { display: inline-block; width: 2px; height: 12px; border-radius: 1px; }
.vline-takeoff  { background: #ef4444; }
.vline-landing  { background: #6366f1; }
.vline-tp-sss   { background: #22c55e; }
.vline-tp       { background: #f59e0b; }
.vline-tp-ess   { background: #a855f7; }
.vline-tp-goal  { background: #ef4444; }

/* Altitude chart */
.chart-wrap { background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow);
              padding: 12px; margin-bottom: 24px; }
.chart-title { font-size: 13px; font-weight: 600; color: var(--muted); margin-bottom: 8px; }
canvas.alt-chart { width: 100%; height: 160px; display: block; }

/* Days table */
.section-title { font-size: 15px; font-weight: 700; margin-bottom: 12px; }
.table-wrap { background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow);
              overflow: hidden; margin-bottom: 24px; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th { background: #f8fafc; padding: 10px 12px; text-align: left; font-weight: 600;
     color: var(--muted); text-transform: uppercase; font-size: 11px; letter-spacing: .4px;
     border-bottom: 1px solid var(--border); cursor: pointer; user-select: none; white-space: nowrap; }
th:hover { background: #f1f5f9; }
th .sort-icon { margin-left: 4px; opacity: .4; }
th.sorted .sort-icon { opacity: 1; }
td { padding: 10px 12px; border-bottom: 1px solid var(--border); }
tr:last-child td { border-bottom: none; }
tr:hover td { background: #f8fafc; }
.td-fly   { color: var(--fly);    font-weight: 600; }
.td-hike  { color: var(--hike);   font-weight: 600; }
.td-vario { color: #10b981;       font-weight: 600; }
.td-alt   { color: #a855f7;       font-weight: 600; }

/* Overview table */
#overview-wrap .rank { font-weight: 700; color: var(--muted); }

/* Race summary */
.race-summary { margin-bottom: 28px; }
.race-summary .cards { margin-bottom: 0; }
.race-summary .stat-card { padding: 7px 9px; min-width: 55px; }
.race-summary .stat-value { font-size: 11px; }
.race-summary .stat-label { font-size: 9px; }
.summary-group-label {
  font-size: 11px; font-weight: 700; text-transform: uppercase;
  letter-spacing: .4px; color: var(--muted);
  margin: 14px 0 8px;
}

/* Utility */
.hidden { display: none !important; }

/* ── Loader ──────────────────────────────────────────────────────────────── */
.loader-wrap {
  display: flex; flex-direction: column; align-items: center;
  justify-content: center; height: 300px; gap: 14px; color: var(--muted);
}
.spinner {
  width: 36px; height: 36px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Config modal ─────────────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.55);
  display: flex; align-items: center; justify-content: center;
  z-index: 1000;
}
.modal-panel {
  background: var(--surface); border-radius: var(--radius);
  width: 620px; max-width: 94vw; max-height: 88vh;
  display: flex; flex-direction: column;
  box-shadow: 0 8px 32px rgba(0,0,0,.35);
}
.modal-header {
  padding: 18px 24px 14px; border-bottom: 1px solid var(--border);
  display: flex; align-items: center;
}
.modal-header h2 { font-size: 17px; font-weight: 700; flex: 1; }
.modal-close {
  background: none; border: none; cursor: pointer;
  font-size: 15px; color: var(--muted); padding: 4px 7px; border-radius: 4px; line-height: 1;
}
.modal-close:hover { background: var(--border); color: var(--text); }
.modal-body { flex: 1; overflow-y: auto; padding: 20px 24px; }
.modal-body::-webkit-scrollbar { width: 5px; }
.modal-body::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 3px; }
.modal-footer {
  padding: 14px 24px; border-top: 1px solid var(--border);
  display: flex; gap: 8px; align-items: center;
}

.cfg-section { margin-bottom: 24px; }
.cfg-section:last-child { margin-bottom: 0; }
.cfg-section-title {
  font-size: 11px; font-weight: 700; text-transform: uppercase;
  letter-spacing: .5px; color: var(--muted); margin-bottom: 10px;
}
.cfg-section-header {
  display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px;
}
.cfg-section-header .cfg-section-title { margin-bottom: 0; }

.cfg-folder-row { display: flex; gap: 8px; align-items: center; }
.cfg-folder-input {
  flex: 1; padding: 7px 10px; border-radius: var(--radius);
  border: 1px solid var(--border); background: #f8fafc;
  font-size: 13px; color: var(--text); cursor: default; outline: none;
}

.cfg-time-row { display: flex; gap: 16px; align-items: center; }
.cfg-label { font-size: 13px; color: var(--muted); white-space: nowrap; }
.cfg-time-input {
  padding: 6px 10px; border-radius: var(--radius);
  border: 1px solid var(--border); font-size: 13px;
  background: #f8fafc; color: var(--text); outline: none;
}
.cfg-time-input:focus { border-color: var(--accent); }

.cfg-params-grid { display: flex; flex-direction: column; gap: 1px; }
.cfg-group-label {
  font-size: 11px; font-weight: 700; text-transform: uppercase;
  letter-spacing: .4px; color: var(--accent);
  margin-top: 16px; margin-bottom: 6px;
  padding-bottom: 5px; border-bottom: 1px solid var(--border);
}
.cfg-group-label:first-child { margin-top: 0; }
.cfg-param-row {
  display: grid; grid-template-columns: 1fr 90px 36px;
  align-items: center; gap: 8px; padding: 3px 2px;
}
.cfg-param-label { font-size: 13px; color: var(--text); }
.cfg-param-input {
  padding: 4px 8px; border-radius: var(--radius);
  border: 1px solid var(--border); font-size: 13px;
  text-align: right; background: #f8fafc; width: 100%; outline: none;
}
.cfg-param-input:focus { border-color: var(--accent); }
.cfg-param-unit { font-size: 12px; color: var(--muted); }

.btn-sm { padding: 4px 10px !important; font-size: 12px !important; }

.cfg-no-days, .cfg-scanning {
  font-size: 13px; color: var(--muted); font-style: italic; padding: 6px 0;
}
.cfg-day-row {
  display: grid; grid-template-columns: 1fr auto auto auto auto;
  align-items: center; gap: 10px;
  padding: 6px 2px; border-bottom: 1px solid var(--border);
}
.cfg-day-row:last-child { border-bottom: none; }
.cfg-day-label { font-size: 13px; font-weight: 500; color: var(--text); }

/* ── Mobile ──────────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  html, body { overflow: auto; }

  #topbar {
    height: auto; min-height: 48px;
    flex-wrap: wrap; padding: 8px 12px; gap: 8px;
  }
  .app-title { font-size: 13px; }
  .topbar-disclaimer { display: none; }

  #layout {
    flex-direction: column;
    height: auto; overflow: visible;
  }

  #sidebar {
    width: 100%; min-width: unset;
    max-height: 32vh;
    border-right: none; border-bottom: 1px solid #0f1924;
  }

  #content { overflow-y: visible; padding: 16px 12px; }

  .cards { gap: 8px; }
  .stat-card { min-width: 80px; padding: 10px 12px; }
  .stat-value { font-size: 17px; }

  canvas.alt-chart { height: 180px; touch-action: none; }

  .phase-legend { flex-wrap: wrap; gap: 6px 12px; font-size: 11px; }

  .table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  table { min-width: 480px; }

  .pilot-header h2 { font-size: 18px; }
}