:root {
  --bg: #f4f1ea;
  --panel: #ffffff;
  --ink: #1c1c1c;
  --muted: #6b6558;
  --accent: #1f3a5f;
  --accent-2: #8a1f2b;
  --border: #ddd6c7;
  --radius: 14px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 17px;
  line-height: 1.5;
}

.app {
  max-width: 720px;
  margin: 0 auto;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding: 0 0 32px 0;
}

header.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--accent);
  color: #fff;
  /* env(safe-area-inset-top) = wysokosc paska statusu telefonu (siec/bateria) w trybie PWA
     "standalone" (dziala dzieki viewport-fit=cover w <meta name="viewport"> w index.html/
     desktop.html) - bez tego pasek statusu telefonu nachodzil na tytul i przyciski Filtry/Wyloguj. */
  padding: calc(14px + env(safe-area-inset-top)) 18px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  row-gap: 8px;
}

header.topbar h1 {
  font-size: 18px;
  margin: 0;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

header.topbar #topbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  margin-left: auto;
}

header.topbar a, header.topbar button {
  color: #fff;
  text-decoration: none;
  font-size: 14px;
  background: rgba(255,255,255,0.15);
  border: none;
  padding: 8px 12px;
  border-radius: 8px;
  cursor: pointer;
  white-space: nowrap;
}

main {
  padding: 18px;
  flex: 1;
}

.login-card {
  background: var(--panel);
  border-radius: var(--radius);
  padding: 28px 22px;
  margin-top: 40px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.06);
}

.login-card h2 {
  margin-top: 0;
}

label {
  display: block;
  font-size: 14px;
  color: var(--muted);
  margin: 14px 0 6px;
}

input[type=text], input[type=password], input[type=date], select, textarea {
  width: 100%;
  padding: 13px 14px;
  font-size: 17px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--ink);
}

textarea {
  resize: vertical;
  min-height: 64px;
  font-family: inherit;
}

button.primary {
  width: 100%;
  padding: 14px;
  font-size: 17px;
  font-weight: 600;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 10px;
  margin-top: 16px;
  cursor: pointer;
}

button.primary:disabled {
  opacity: 0.55;
}

.error {
  color: var(--accent-2);
  font-size: 14px;
  margin-top: 10px;
}

.ask-box {
  background: var(--panel);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.answer-card {
  background: var(--panel);
  border-radius: var(--radius);
  padding: 18px;
  margin-top: 18px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.answer-card .q {
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 8px;
}

.answer-text {
  white-space: pre-wrap;
  font-size: 16.5px;
}

.sources {
  margin-top: 14px;
  border-top: 1px solid var(--border);
  padding-top: 12px;
}

.sources h4 {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--muted);
  margin: 0 0 8px;
}

.source-item {
  display: block;
  padding: 10px 12px;
  margin-bottom: 6px;
  background: #f9f7f1;
  border: 1px solid var(--border);
  border-radius: 10px;
  text-decoration: none;
  color: var(--ink);
  font-size: 14px;
}

.source-item .idx {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  border-radius: 50%;
  width: 20px;
  height: 20px;
  text-align: center;
  font-size: 12px;
  line-height: 20px;
  margin-right: 8px;
}

.source-item .fname {
  font-weight: 600;
}

.source-item .snippet {
  display: block;
  color: var(--muted);
  margin-top: 4px;
}

.badge-www {
  display: inline-block;
  background: #2e6b47;
  color: #fff;
  border-radius: 6px;
  padding: 1px 6px;
  font-size: 11px;
  margin-left: 6px;
  vertical-align: middle;
}

.history {
  margin-top: 28px;
}

.history h3 {
  font-size: 14px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.history-item {
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
}

.history-item .hq {
  font-weight: 600;
}

.history-item .ha {
  color: var(--muted);
  font-size: 14px;
  margin-top: 4px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.loading {
  color: var(--muted);
  font-style: italic;
}

/* Desktop / filters view */
.tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.tab-btn {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 18px;
  font-size: 14px;
  color: var(--muted);
  cursor: pointer;
}

.tab-btn.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.filters-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  background: var(--panel);
  padding: 16px;
  border-radius: var(--radius);
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

@media (min-width: 640px) {
  .filters-grid {
    grid-template-columns: 1fr 1fr;
  }
  .filters-grid .full {
    grid-column: 1 / -1;
  }
}

.result-row {
  background: var(--panel);
  border-radius: 12px;
  padding: 14px 16px;
  margin-top: 12px;
  box-shadow: 0 1px 6px rgba(0,0,0,0.05);
}

.result-row .meta {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 6px;
}

.result-row .title {
  font-weight: 600;
  margin-bottom: 4px;
}

.badge {
  display: inline-block;
  font-size: 12px;
  padding: 2px 8px;
  border-radius: 999px;
  background: #eef1f6;
  color: var(--accent);
  margin-right: 6px;
}

.result-row a.open-link {
  color: var(--accent);
  font-size: 14px;
}

.count-line {
  color: var(--muted);
  font-size: 14px;
  margin: 10px 0;
}

.disclaimer {
  background: #fdf6e3;
  border: 1px solid #e8dcae;
  color: #6b5a1e;
  font-size: 13px;
  line-height: 1.5;
  padding: 10px 14px;
  border-radius: 10px;
  margin: 14px 0;
}