:root {
  --bg: #f3f5fa;
  --panel: #ffffff;
  --surface: #f7f8fc;
  --text: #0f172a;
  --muted: #64748b;
  --border: #e3e8f1;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-soft: #eaf1ff;
  --accent-text: #ffffff;
  --danger: #dc2626;
  --ok: #16a34a;
  --warn: #b45309;
  --selected: #eaf1ff;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 1px 2px rgba(15, 23, 42, .05), 0 4px 14px rgba(15, 23, 42, .05);
  --shadow-lg: 0 10px 30px rgba(15, 23, 42, .14);
  --ring: 0 0 0 3px rgba(37, 99, 235, .18);

  /* Odznaki częstotliwości: tło / tekst */
  --f1-bg: #dcfce7; --f1-fg: #166534;
  --f2-bg: #dbeafe; --f2-fg: #1e40af;
  --f4-bg: #ede9fe; --f4-fg: #5b21b6;
  --day-bg: #fef3c7; --day-fg: #92400e;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1020;
    --panel: #121829;
    --surface: #182036;
    --text: #e6e9f2;
    --muted: #94a0b8;
    --border: #243049;
    --accent: #5b8cff;
    --accent-hover: #7aa2ff;
    --accent-soft: #1b2847;
    --selected: #1b2847;
    --warn: #f0b354;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 4px 14px rgba(0, 0, 0, .25);
    --ring: 0 0 0 3px rgba(91, 140, 255, .3);
    --f1-bg: rgba(34, 197, 94, .16); --f1-fg: #86efac;
    --f2-bg: rgba(59, 130, 246, .18); --f2-fg: #93c5fd;
    --f4-bg: rgba(139, 92, 246, .2); --f4-fg: #c4b5fd;
    --day-bg: rgba(245, 158, 11, .18); --day-fg: #fcd34d;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  font: 14px/1.45 "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  accent-color: var(--accent);
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code { font-size: 12px; background: var(--surface); border: 1px solid var(--border); border-radius: 5px; padding: 0 4px; }

#app { display: flex; height: 100vh; }
#panel {
  width: 420px;
  max-width: 100%;
  display: flex;
  flex-direction: column;
  background: var(--panel);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  box-shadow: 4px 0 24px rgba(15, 23, 42, .06);
  z-index: 1;
}
#map { flex: 1; min-height: 300px; }

/* ---------------------------------------------------------------- nagłówek */
header {
  position: sticky; top: 0; z-index: 5; padding: 14px 16px 12px;
  background: color-mix(in srgb, var(--panel) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
h1 { font-size: 17px; margin: 0; font-weight: 700; letter-spacing: -.02em; display: flex; align-items: center; gap: 9px; }
h1 .logo {
  width: 30px; height: 30px; border-radius: 9px; display: grid; place-items: center; flex: none;
  background: linear-gradient(135deg, #3b82f6, #7c3aed); color: #fff; box-shadow: 0 4px 12px rgba(59, 130, 246, .35);
}
h1 .logo svg { width: 18px; height: 18px; }
h3 { margin: 0 0 10px; font-size: 15px; font-weight: 650; letter-spacing: -.01em; }
h4 { font-weight: 600; }
.topbar { margin: 0 0 12px; gap: 12px; }
.topbar .link { color: var(--muted); }
.topbar .link:hover { color: var(--accent); }
.topbar .link svg { width: 14px; height: 14px; vertical-align: -2px; margin-right: 3px; }

/* Zakładki jako przełącznik segmentowy */
.tabs { display: flex; gap: 2px; padding: 3px; background: var(--surface); border: 1px solid var(--border); border-radius: 11px; }
.tabs button {
  flex: 1; border: 0; background: none; padding: 7px 6px; cursor: pointer; border-radius: 8px; box-shadow: none;
  color: var(--muted); font: inherit; font-weight: 500; transition: background .15s, color .15s, box-shadow .15s;
}
.tabs button:hover { color: var(--text); background: none; }
.tabs button.active { background: var(--panel); color: var(--text); font-weight: 600; box-shadow: 0 1px 3px rgba(15, 23, 42, .12); }

.tab { display: none; padding: 14px 16px; }
.tab.active { display: block; animation: fade .2s ease; }
@keyframes fade { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }
footer { margin-top: auto; padding: 10px 16px; display: flex; align-items: center; justify-content: space-between; gap: 12px; border-top: 1px solid var(--border); }

/* ------------------------------------------------------------- formularze */
input, select, textarea, button { font: inherit; color: var(--text); }
input, select, textarea {
  width: 100%; padding: 9px 11px; border: 1px solid var(--border);
  border-radius: 10px; background: var(--panel); transition: border-color .15s, box-shadow .15s;
}
input:hover, select:hover, textarea:hover { border-color: color-mix(in srgb, var(--accent) 30%, var(--border)); }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); box-shadow: var(--ring); }
textarea { resize: vertical; }
label { display: block; margin: 10px 0 4px; font-weight: 550; font-size: 13px; }
label > input, label > select, label > textarea { margin-top: 5px; font-weight: 400; font-size: 14px; }
button {
  padding: 8px 14px; border: 1px solid var(--border); border-radius: 10px; font-weight: 550;
  background: var(--panel); cursor: pointer; white-space: nowrap;
  transition: background .15s, border-color .15s, box-shadow .15s, transform .05s;
}
button:hover { background: var(--surface); }
button:active { transform: translateY(1px); }
button:focus-visible { outline: none; box-shadow: var(--ring); }
button.primary { background: var(--accent); color: var(--accent-text); border-color: var(--accent); box-shadow: 0 2px 8px rgba(37, 99, 235, .25); }
button.primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
button.wide { width: 100%; margin-top: 12px; padding: 11px; }
button:disabled { opacity: .6; cursor: progress; }
.link {
  background: none; border: 0; padding: 2px 0; color: var(--accent); box-shadow: none;
  cursor: pointer; font-weight: 500; margin: 0; display: inline; white-space: nowrap;
}
.link:hover { background: none; text-decoration: underline; }
button.danger, .link.danger { color: var(--danger); }

.row { display: flex; gap: 8px; align-items: center; margin: 8px 0; }
.row.small { gap: 14px; flex-wrap: wrap; }
.spacer { flex: 1; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.small { font-size: 12.5px; }
.muted { color: var(--muted); }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px; margin: 12px 0; box-shadow: var(--shadow); }

/* ---------------------------------------------------------------- listy */
.list { list-style: none; margin: 10px 0; padding: 0; display: flex; flex-direction: column; gap: 6px; }
.list li {
  display: flex; gap: 10px; align-items: flex-start; padding: 10px 12px;
  border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--panel);
  transition: border-color .15s, background .15s, box-shadow .15s;
}
.list li:hover { border-color: color-mix(in srgb, var(--accent) 35%, var(--border)); box-shadow: var(--shadow); }
.list li.selected { background: var(--selected); border-color: color-mix(in srgb, var(--accent) 45%, var(--border)); }
.list li input[type=checkbox] { width: 16px; height: 16px; margin-top: 2px; flex: none; }
.list .info { flex: 1; min-width: 0; cursor: pointer; }
.list .name { font-weight: 600; display: flex; flex-wrap: wrap; align-items: center; gap: 4px 6px; }
.list .sub { color: var(--muted); font-size: 12.5px; overflow: hidden; text-overflow: ellipsis; }
.list .actions { display: flex; gap: 10px; align-items: center; }

/* --------------------------------------------------------------- odznaki */
.badge {
  display: inline-flex; align-items: center; gap: 4px; font-size: 11px; line-height: 1; font-weight: 600;
  padding: 3px 8px; border-radius: 999px; background: var(--surface); color: var(--muted);
  border: 1px solid var(--border); white-space: nowrap;
}
.badge.f1, .badge.f2, .badge.f4, .badge.day { border-color: transparent; }
.badge.f1 { background: var(--f1-bg); color: var(--f1-fg); }
.badge.f2 { background: var(--f2-bg); color: var(--f2-fg); }
.badge.f4 { background: var(--f4-bg); color: var(--f4-fg); }
.badge.day { background: var(--day-bg); color: var(--day-fg); }
.badge.f1::before, .badge.f2::before, .badge.f4::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor;
}

.badge.time { background: var(--surface); color: var(--muted); border-color: var(--border); }
.badge svg { width: 11px; height: 11px; }

/* Przyciski-ikony akcji (edytuj, usuń, ...) */
.icon-btn {
  width: 32px; height: 32px; padding: 0; display: inline-grid; place-items: center; flex: none;
  border-radius: 9px; border: 1px solid var(--border); background: var(--panel); color: var(--muted); box-shadow: none;
}
.icon-btn svg { width: 16px; height: 16px; }
.icon-btn:hover { color: var(--accent); background: var(--accent-soft); border-color: color-mix(in srgb, var(--accent) 35%, var(--border)); }
.icon-btn.danger { color: var(--muted); }
.icon-btn.danger:hover { color: var(--danger); background: color-mix(in srgb, var(--danger) 10%, var(--panel)); border-color: color-mix(in srgb, var(--danger) 40%, var(--border)); }
.list .actions { gap: 6px; }

.insert-chips { align-items: center; margin: 4px 0 8px; }
.insert-chips .chip { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; color: var(--accent); border-color: color-mix(in srgb, var(--accent) 35%, var(--border)); background: var(--accent-soft); }
.insert-chips .chip:hover { background: var(--accent); color: #fff; }

/* Filtr częstotliwości (chipy) */
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin: 10px 0 4px; }
.chip {
  padding: 5px 10px; border-radius: 999px; font-size: 12.5px; font-weight: 550; box-shadow: none;
  border: 1px solid var(--border); background: var(--panel); color: var(--muted);
}
.chip span { opacity: .7; margin-left: 2px; }
.chip.active { color: var(--text); border-color: var(--text); }
.chip.f1.active { background: var(--f1-bg); color: var(--f1-fg); border-color: var(--f1-fg); }
.chip.f2.active { background: var(--f2-bg); color: var(--f2-fg); border-color: var(--f2-fg); }
.chip.f4.active { background: var(--f4-bg); color: var(--f4-fg); border-color: var(--f4-fg); }

/* ------------------------------------------------------------ wybór miejsca */
.picker { position: relative; }
.picker .row { margin: 0; }
.picker .chosen { font-size: 12.5px; color: var(--ok); margin-top: 5px; }
.picker .results {
  position: absolute; z-index: 1000; left: 0; right: 0; top: 100%;
  background: var(--panel); border: 1px solid var(--border); border-radius: 10px;
  list-style: none; margin: 4px 0 0; padding: 4px; max-height: 260px; overflow-y: auto;
  box-shadow: var(--shadow-lg);
}
.picker .results li { padding: 8px 10px; cursor: pointer; border-radius: 7px; font-size: 12.5px; }
.picker .results li:hover { background: var(--selected); }

/* ---------------------------------------------------------------- trasa */
.summary { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; margin: 12px 0; }
.summary div { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 10px 12px; color: var(--muted); font-size: 12.5px; box-shadow: var(--shadow); }
.summary b { display: block; font-size: 19px; color: var(--text); letter-spacing: -.02em; margin-top: 2px; }
.summary .note { grid-column: 1 / -1; background: none; border: 0; box-shadow: none; padding: 0; }

.stops { list-style: none; padding: 0; margin: 0; }
.stops li { display: flex; gap: 12px; padding: 10px 0; position: relative; }
/* Oś czasu łącząca przystanki */
.stops li:not(:last-child)::before {
  content: ""; position: absolute; left: 13px; top: 38px; bottom: -6px; width: 2px; background: var(--border);
}
.stops .num {
  flex: none; width: 28px; height: 28px; border-radius: 50%; background: var(--accent);
  color: #fff; display: grid; place-items: center; font-weight: 700; font-size: 12px;
  box-shadow: 0 0 0 4px var(--panel); position: relative;
}
.stops .num.base { background: var(--ok); }
.stops .body { flex: 1; min-width: 0; }
.stops .time { font-weight: 700; font-variant-numeric: tabular-nums; }
.stops .meta { color: var(--muted); font-size: 12.5px; }
.stops .links { display: flex; gap: 14px; font-size: 12.5px; margin-top: 3px; font-weight: 550; }

#gmaps-links { margin: 12px 0; display: flex; flex-wrap: wrap; gap: 8px 14px; font-weight: 550; }

/* ----------------------------------------------------------------- plan */
.bulk { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 6px 10px; }
.bulk select { width: auto; padding: 5px 8px; }
.bulk button { padding: 5px 12px; }
.days { display: flex; flex-wrap: wrap; gap: 6px; }
.days label {
  display: flex; align-items: center; gap: 6px; margin: 0; font-weight: 550; cursor: pointer;
  border: 1px solid var(--border); border-radius: 999px; padding: 6px 13px; transition: background .15s, border-color .15s;
  position: relative; user-select: none;
}
.days label:has(input:checked) { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); }
.days input { position: absolute; opacity: 0; pointer-events: none; }
.days label:has(input:focus-visible) { box-shadow: var(--ring); }
label.check input { width: auto; margin: 0; }
label.check { flex-wrap: wrap; }
label.check > .small { flex-basis: 100%; padding-left: 24px; }
label.check { display: flex; align-items: center; gap: 8px; font-weight: 450; margin-top: 12px; }
.warn { color: var(--warn); }
.week { margin: 14px 0; }
.week h4 { margin: 0 0 8px; font-size: 13px; }
.week-days { display: grid; grid-template-columns: repeat(auto-fill, minmax(66px, 1fr)); gap: 6px; }
.day-cell {
  border: 1px solid var(--border); border-top: 3px solid var(--c); border-radius: 10px; padding: 7px 8px;
  cursor: pointer; font-size: 12px; font-weight: 450; background: var(--panel); text-align: left; white-space: normal;
  color: var(--muted); box-shadow: var(--shadow);
}
.day-cell:hover { background: var(--panel); border-color: var(--c); }
.day-cell b { display: block; font-size: 13px; color: var(--text); }
.day-cell.over { background: color-mix(in srgb, #f97316 9%, var(--panel)); }
.day-cell.active { box-shadow: 0 0 0 2px var(--accent); }
.bar { height: 4px; border-radius: 2px; background: var(--border); margin-top: 6px; overflow: hidden; }
.bar i { display: block; height: 100%; background: var(--c); border-radius: 2px; }
.day-cell.over .bar i { background: #ea580c; }

/* ------------------------------------------------------------ wiadomości */
.msg-preview { background: var(--surface); border: 1px dashed var(--border); border-radius: 10px; padding: 9px 11px; white-space: pre-wrap; margin: 8px 0; }
.msg-preview:empty { display: none; }
.msg-list li { align-items: center; }
.msg-list .actions a {
  font-size: 12.5px; font-weight: 600; padding: 6px 12px; border: 1px solid var(--border); border-radius: 999px; text-decoration: none;
}
.msg-list .actions a.wa { background: #25d366; border-color: #25d366; color: #fff; box-shadow: 0 2px 8px rgba(37, 211, 102, .3); }
.msg-list li.sent { opacity: .6; }
.msg-list .status { font-size: 12px; color: var(--ok); font-weight: 550; }
.msg-list .status.read { color: var(--accent); }
.msg-list .status.failed { color: var(--danger); }
.msg-list .reply { font-size: 12.5px; margin-top: 4px; padding: 6px 9px; border-radius: 10px 10px 10px 2px; background: var(--f1-bg); color: var(--f1-fg); white-space: pre-wrap; }
.wa-auto { border: 1px solid color-mix(in srgb, #25d366 45%, var(--border)); background: color-mix(in srgb, #25d366 6%, var(--panel)); border-radius: 10px; padding: 12px; margin-bottom: 10px; }
.wa-auto .primary { background: #1fa855; border-color: #1fa855; box-shadow: 0 2px 8px rgba(31, 168, 85, .3); }
.wa-auto .primary:hover { background: #178a45; border-color: #178a45; }
.wa-setup { background: var(--surface); border: 1px dashed var(--border); border-radius: 10px; padding: 10px 12px; color: var(--muted); }
#manual-box { margin: 6px 0; }
.auto-mode .msg-list .actions { display: none; }
#manual-box summary { cursor: pointer; font-weight: 600; font-size: 13px; padding: 6px 0; }

/* ----------------------------------------------------------------- mapa */
.marker-num {
  background: var(--accent); color: #fff; border: 2px solid #fff; border-radius: 50%;
  display: grid; place-items: center; font-weight: 700; font-size: 12px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, .35);
}
.marker-num.base { background: var(--ok); }
.leaflet-container { font-family: inherit; }
.leaflet-container.picking { cursor: crosshair; }
.leaflet-tooltip { border-radius: 8px; border: 0; box-shadow: var(--shadow-lg); font-weight: 550; }

#toast {
  position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); z-index: 2000;
  background: #0f172a; color: #fff; padding: 11px 18px; border-radius: 999px; max-width: 90vw;
  box-shadow: var(--shadow-lg); font-weight: 500; animation: fade .2s ease;
}

/* ------------------------------------------------------------- logowanie */
.login-page {
  display: grid; place-items: center; grid-template-rows: 1fr auto; min-height: 100vh; padding: 16px;
  background:
    radial-gradient(900px 500px at 10% -10%, color-mix(in srgb, #3b82f6 18%, transparent), transparent),
    radial-gradient(700px 500px at 110% 110%, color-mix(in srgb, #7c3aed 16%, transparent), transparent),
    var(--bg);
}
.login-card { width: 100%; max-width: 360px; padding: 24px; align-self: center; box-shadow: var(--shadow-lg); }
.login-card h1 { margin-bottom: 14px; }
.login-footer { display: flex; justify-content: center; padding: 8px 0; }

@media (max-width: 760px) {
  #app { flex-direction: column-reverse; height: auto; }
  #panel { width: 100%; border-right: 0; overflow: visible; box-shadow: none; }
  #map { height: 45vh; flex: none; position: sticky; top: 0; z-index: 10; }
  header { position: static; }
}

@media print {
  #map, .tabs, #tab-route > .card, #route-result .card, #gmaps-links, footer, .stops .links,
  #btn-messages, .topbar .link { display: none !important; }
  #panel { width: 100%; border: 0; box-shadow: none; }
  #app { display: block; height: auto; }
}