:root {
  --bg: #f5f6f8;
  --card: #ffffff;
  --text: #16181d;
  --muted: #667085;
  --line: #e4e7ec;
  --accent: #3d5afe;
  --accent-text: #ffffff;
  --accent-soft: #eef1ff;
  --ok: #12805c;
  --warn: #b54708;
  --err: #c01048;
  --input: #ffffff;
  --shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .08);
  --radius: 12px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115;
    --card: #171a21;
    --text: #e8eaef;
    --muted: #98a2b3;
    --line: #2a2f3a;
    --accent: #7086ff;
    --accent-text: #0f1115;
    --accent-soft: #1d2340;
    --ok: #4ac99b;
    --warn: #f5a35b;
    --err: #ff6b8f;
    --input: #11141a;
    --shadow: none;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  padding-bottom: 96px;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1120px;
  margin: 0 auto;
  padding: 20px 16px 8px;
}

header h1 { font-size: 20px; margin: 0; }
header form { margin: 0; }

main { max-width: 1120px; margin: 0 auto; padding: 0 16px; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  margin: 16px 0;
}

.card h2 { font-size: 17px; margin: 0 0 4px; }
.card .hint { color: var(--muted); font-size: 13px; margin: 0 0 16px; }

button, .btn {
  font: inherit;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--text);
  border-radius: 8px;
  padding: 7px 14px;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

button:hover, .btn:hover { border-color: var(--muted); }
button:disabled { opacity: .5; cursor: not-allowed; }

.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-text);
  font-weight: 600;
}

.primary:hover { filter: brightness(1.08); border-color: var(--accent); }
.danger { color: var(--err); }
.link { border: none; background: none; padding: 0; color: var(--accent); }

input[type=number], input[type=date], input[type=password], select {
  font: inherit;
  color: var(--text);
  background: var(--input);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 6px 8px;
  min-width: 0;
}

input[type=number] { width: 76px; }
input:focus, select:focus, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }

label { cursor: pointer; }

.row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.spacer { flex: 1; }
.muted { color: var(--muted); }
.small { font-size: 13px; }

/* --- загрузка и библиотека --- */

.drop {
  border: 2px dashed var(--line);
  border-radius: var(--radius);
  padding: 28px 16px;
  text-align: center;
  color: var(--muted);
  cursor: pointer;
  transition: border-color .15s, background .15s;
}

.drop.over, .drop:hover { border-color: var(--accent); background: var(--accent-soft); color: var(--text); }
.drop strong { color: var(--text); }

.uploads { margin: 10px 0 0; padding: 0; list-style: none; font-size: 13px; }
.uploads li { padding: 2px 0; }
.uploads .err { color: var(--err); }

.toolbar { margin: 16px 0 10px; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 10px;
}

.tile {
  position: relative;
  border: 2px solid transparent;
  border-radius: 10px;
  overflow: hidden;
  background: var(--bg);
  cursor: pointer;
}

.tile.sel { border-color: var(--accent); }
.tile img { display: block; width: 100%; aspect-ratio: 1; object-fit: cover; }
.tile .meta { padding: 6px 8px; font-size: 12px; }
.tile .name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tile .check {
  position: absolute;
  top: 6px;
  left: 6px;
  width: 22px;
  height: 22px;
  border-radius: 6px;
  background: rgba(255, 255, 255, .85);
  border: 1px solid rgba(0, 0, 0, .2);
  display: grid;
  place-items: center;
  font-size: 14px;
  color: transparent;
}

.tile.sel .check { background: var(--accent); color: #fff; border-color: var(--accent); }
.empty { color: var(--muted); padding: 12px 0; }

/* --- фильтры --- */

.filters {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 10px;
  margin-top: 14px;
}

.filter {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px;
}

.filter.off { opacity: .55; }
.filter .head { display: flex; align-items: center; gap: 8px; font-weight: 600; }
.filter .range { display: flex; align-items: center; gap: 6px; margin-top: 8px; font-size: 13px; color: var(--muted); }

.cities {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  gap: 4px 12px;
  margin-top: 10px;
  font-size: 14px;
}

fieldset { border: none; padding: 0; margin: 0 0 14px; }
legend { font-weight: 600; margin-bottom: 6px; padding: 0; }

/* --- задачи --- */

.job { border-top: 1px solid var(--line); padding: 14px 0; }
.job:first-of-type { border-top: none; padding-top: 4px; }
.bar { height: 8px; background: var(--line); border-radius: 4px; overflow: hidden; margin: 8px 0; }
.bar > div { height: 100%; background: var(--accent); transition: width .4s; }
.job.done .bar > div { background: var(--ok); }
.job.error .bar > div { background: var(--err); }
.status-done { color: var(--ok); }
.status-error { color: var(--err); }
.per-file { font-size: 13px; color: var(--muted); margin: 4px 0 0; padding: 0; list-style: none; }
.warn { color: var(--warn); }

/* --- нижняя панель --- */

.dock {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--card);
  border-top: 1px solid var(--line);
  padding: 12px 16px;
  z-index: 10;
}

.dock .inner { max-width: 1120px; margin: 0 auto; display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.dock .error { color: var(--err); font-size: 13px; }

/* --- вход --- */

.login {
  max-width: 360px;
  margin: 14vh auto 0;
  padding: 0 16px;
}

.login form { display: grid; gap: 12px; }
.login input { width: 100%; padding: 10px 12px; }
.login .primary { justify-content: center; padding: 10px; }

@media (max-width: 560px) {
  .card { padding: 16px; }
  .grid { grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); }
  .filters { grid-template-columns: 1fr; }
}