:root {
  --bg: #0f1419;
  --surface: #1a2332;
  --surface-2: #243044;
  --text: #e8eef7;
  --muted: #8b9cb3;
  --accent: #3d9cf5;
  --accent-hover: #5eb0ff;
  --ok: #3ecf8e;
  --warn: #f5b83d;
  --err: #f56565;
  --border: #2d3a4f;
  --radius: 10px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

html[data-theme="light"] {
  --bg: #f4f6f9;
  --surface: #ffffff;
  --surface-2: #eef1f6;
  --text: #1a2332;
  --muted: #5a6a7e;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --ok: #059669;
  --warn: #d97706;
  --err: #dc2626;
  --border: #d8dee8;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

.wrap { max-width: 1100px; margin: 0 auto; padding: 1rem 1.25rem 3rem; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: .75rem 0 1.25rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.5rem;
}
.brand { font-weight: 700; font-size: 1.1rem; color: var(--text); }
.nav { display: flex; gap: 1rem; flex-wrap: wrap; align-items: center; }
.nav a { color: var(--muted); }
.nav a:hover, .nav a.active { color: var(--text); }

.theme-toggle {
  padding: .35rem .65rem;
  font-size: .8rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--muted);
  cursor: pointer;
  font: inherit;
}
.theme-toggle:hover { color: var(--text); border-color: var(--accent); }

.theme-bar {
  position: fixed;
  top: .75rem;
  right: .75rem;
  margin: 0;
  z-index: 10;
}

html[data-theme="light"] .alert-ok {
  background: rgba(5, 150, 105, 0.1);
  border-color: rgba(5, 150, 105, 0.35);
}
html[data-theme="light"] .alert-err {
  background: rgba(220, 38, 38, 0.08);
  border-color: rgba(220, 38, 38, 0.3);
}
html[data-theme="light"] .badge-draft { background: #e2e8f0; color: #475569; }
html[data-theme="light"] .btn-secondary:hover { background: #e2e8f0; }

h1, h2, h3 { margin: 0 0 .75rem; line-height: 1.25; }
h1 { font-size: 1.6rem; }
h2 { font-size: 1.2rem; }
p { margin: 0 0 1rem; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-bottom: 1rem;
}

.grid-2 { display: grid; gap: 1rem; }
@media (min-width: 768px) { .grid-2 { grid-template-columns: 1fr 1fr; } }

label { display: block; font-size: .875rem; color: var(--muted); margin: .75rem 0 .35rem; }
input[type=text], input[type=email], input[type=password], input[type=url], input[type=number], textarea, select {
  width: 100%;
  padding: .55rem .7rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  font: inherit;
}
textarea { min-height: 90px; resize: vertical; }

.btn, button {
  display: inline-block;
  padding: .55rem 1rem;
  border-radius: 8px;
  border: none;
  background: var(--accent);
  color: #fff;
  font: inherit;
  cursor: pointer;
  text-decoration: none;
}
.btn:hover, button:hover { background: var(--accent-hover); color: #fff; }
.btn-secondary { background: var(--surface-2); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { background: #2f3f57; color: var(--text); }
.btn-danger { background: #c53030; }
.btn-danger:hover { background: #e53e3e; }
.btn-sm { padding: .35rem .65rem; font-size: .875rem; }

.actions { display: flex; gap: .5rem; flex-wrap: wrap; align-items: center; margin-top: 1rem; }

table { width: 100%; border-collapse: collapse; font-size: .925rem; }
th, td { padding: .6rem .5rem; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: .8rem; text-transform: uppercase; letter-spacing: .03em; }

.badge {
  display: inline-block;
  padding: .15rem .5rem;
  border-radius: 999px;
  font-size: .75rem;
  font-weight: 600;
}
.badge-draft { background: #3a4455; color: var(--muted); }
.badge-active { background: rgba(62, 207, 142, .2); color: var(--ok); }
.badge-finished { background: rgba(61, 156, 245, .2); color: var(--accent); }
.badge-warn { background: rgba(245, 184, 61, .2); color: var(--warn); }
.badge-ok { background: rgba(62, 207, 142, .2); color: var(--ok); }

.alert {
  padding: .75rem 1rem;
  border-radius: 8px;
  margin-bottom: 1rem;
}
.alert-ok { background: rgba(62, 207, 142, .15); border: 1px solid rgba(62, 207, 142, .35); }
.alert-err { background: rgba(245, 101, 101, .12); border: 1px solid rgba(245, 101, 101, .35); }

.steps { display: flex; gap: .5rem; flex-wrap: wrap; margin-bottom: 1rem; }
.step {
  padding: .35rem .65rem;
  border-radius: 999px;
  background: var(--surface-2);
  color: var(--muted);
  font-size: .8rem;
}
.step.active { background: var(--accent); color: #fff; }
.step.done { background: rgba(62, 207, 142, .2); color: var(--ok); }

.meta { color: var(--muted); font-size: .875rem; }
.code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  background: var(--surface-2);
  padding: .15rem .4rem;
  border-radius: 4px;
  font-size: .9em;
}

.station-grid { display: grid; gap: .75rem; }
.station-card {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: .85rem;
  background: var(--surface-2);
}
.station-card h3 { font-size: 1rem; margin-bottom: .35rem; }

.progress-table td.solved { background: rgba(62, 207, 142, .12); text-align: center; }
.progress-table td.unsolved { text-align: center; color: var(--muted); }

.image-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: .5rem;
  margin-top: .5rem;
}
.image-grid img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid var(--border);
}

.login-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1rem;
}
.login-card { width: min(400px, 100%); }

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

.team-progress-card {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.85rem;
  margin-bottom: 0.75rem;
  background: var(--surface-2);
}
.team-progress-head {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  margin-bottom: 0.5rem;
}
.team-station-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.35rem;
}
.team-station-toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
}
.team-station-toggle button { min-width: 2rem; }

.suggest-panel { border: 1px solid var(--border); border-radius: 10px; padding: 1rem; background: var(--surface-2); margin-bottom: 1rem; }
.suggest-heading { margin: 0 0 .75rem; font-size: 1rem; }
.suggest-row { display: flex; gap: .5rem; flex-wrap: wrap; align-items: center; }
.suggest-row input { flex: 1; min-width: 160px; }
.suggest-status { min-height: 1.25rem; margin: .5rem 0; }
.suggest-selection-bar { margin: .75rem 0; }
.suggest-selection-label { display: block; font-size: .85rem; color: var(--muted); margin-bottom: .35rem; }
.suggest-selection-slots { display: grid; grid-template-columns: repeat(4, 1fr); gap: .5rem; max-width: 360px; }
.suggest-slot {
  position: relative;
  aspect-ratio: 1;
  border: 2px dashed var(--border);
  border-radius: 8px;
  background: var(--surface);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.suggest-slot .slot-num { font-size: 1.1rem; color: var(--muted); font-weight: 600; }
.suggest-slot.is-filled { border-style: solid; border-color: var(--accent); }
.suggest-slot img { width: 100%; height: 100%; object-fit: cover; }
.suggest-slot .slot-remove {
  position: absolute; top: 2px; right: 2px;
  width: 1.35rem; height: 1.35rem; padding: 0;
  border: none; border-radius: 50%;
  background: rgba(0,0,0,.65); color: #fff;
  font-size: 1rem; line-height: 1; cursor: pointer;
}
.suggest-results { margin-top: .5rem; }
.image-suggest-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
  gap: .5rem;
  margin: .5rem 0;
}
.suggest-thumb {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: .25rem;
  padding: .35rem;
  border: 2px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  cursor: pointer;
  text-align: left;
  font: inherit;
  color: var(--muted);
}
.suggest-thumb img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 4px;
  background: var(--surface-2);
}
.suggest-thumb span:not(.slot-badge) { font-size: .65rem; line-height: 1.2; overflow: hidden; max-height: 2.4em; }
.suggest-thumb .slot-badge {
  position: absolute; top: 6px; left: 6px;
  width: 1.4rem; height: 1.4rem;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: .75rem; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}
.suggest-thumb.is-selected { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.suggest-thumb:hover { border-color: var(--accent-hover); }
.suggest-more-row { margin-top: .25rem; }
.kc-user-results { display: flex; flex-wrap: wrap; gap: .35rem; margin-top: .5rem; }
.kc-user-pick { margin: 0; }
.compact-table { width: 100%; margin: .5rem 0; }
.compact-table th, .compact-table td { padding: .35rem .5rem; font-size: .9rem; }