:root {
  --bg: #f4f6fb;
  --panel: #ffffff;
  --line: #d9dfed;
  --text: #1a2538;
  --muted: #5e6d86;
  --brand: #0b3a6e;
  --brand-2: #134e93;
  --accent: #0d9488;
  --danger: #b91c1c;
  --grid: "SF Mono", "Fira Code", monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 14px;
  line-height: 1.5;
}

/* ── Layout ──────────────────────────────────────────────── */

.app-shell { display: flex; min-height: 100vh; }

.sidebar {
  width: 220px;
  background: var(--brand);
  color: white;
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}

.sidebar-brand {
  padding: 20px 18px;
  border-bottom: 1px solid rgba(255,255,255,0.15);
}
.sidebar-brand strong { font-size: 1.1rem; display: block; }
.sidebar-brand span { font-size: 0.8rem; opacity: 0.7; }

.sidebar-nav { flex: 1; padding: 12px 0; }

.nav-link {
  display: block;
  padding: 10px 20px;
  color: rgba(255,255,255,0.75);
  text-decoration: none;
  font-size: 0.9rem;
  transition: background 0.15s, color 0.15s;
}
.nav-link:hover { background: rgba(255,255,255,0.1); color: white; }
.nav-link.active { background: rgba(255,255,255,0.15); color: white; font-weight: 600; }

.sidebar-footer {
  padding: 14px 18px;
  border-top: 1px solid rgba(255,255,255,0.15);
  opacity: 0.6;
}

.main { flex: 1; display: flex; flex-direction: column; overflow-x: auto; }

.header {
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  padding: 16px 24px;
}
.header h1 { margin: 0; font-size: 1.3rem; color: var(--brand); }
.subtitle { margin: 2px 0 0; color: var(--muted); font-size: 0.85rem; }

/* ── Toolbar ──────────────────────────────────────────────── */

.toolbar {
  padding: 10px 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
}

.toolbar-group { display: flex; flex-direction: column; gap: 4px; }
.toolbar-group-label { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.5px; color: var(--muted); font-weight: 600; }
.toolbar-controls { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.toolbar-label { font-size: 0.85rem; color: var(--muted); padding: 0 6px; }

/* ── Content ──────────────────────────────────────────────── */

.content { flex: 1; padding: 20px 24px; }

.status {
  padding: 16px 20px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--panel);
  margin-bottom: 12px;
}
.status.ok { border-left: 4px solid var(--accent); }
.status.error { border-left: 4px solid var(--danger); }

/* ── Buttons ──────────────────────────────────────────────── */

.btn {
  padding: 7px 16px;
  border: 1px solid var(--brand);
  border-radius: 6px;
  background: var(--brand);
  color: white;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
  white-space: nowrap;
}
.btn:hover { background: var(--brand-2); border-color: var(--brand-2); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }
.btn.secondary { background: transparent; color: var(--brand); }
.btn.secondary:hover { background: color-mix(in srgb, var(--brand) 8%, transparent); }
.btn-sm { padding: 4px 12px; font-size: 0.8rem; }
.btn-icon {
  background: transparent; border: none; cursor: pointer;
  color: var(--danger); font-size: 1rem; padding: 4px 8px;
  border-radius: 4px; transition: background 0.1s;
}
.btn-icon:hover { background: #fecaca; }

/* ── Inputs ───────────────────────────────────────────────── */

.input {
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  font-size: 0.85rem;
  background: white;
  color: var(--text);
  outline: none;
  transition: border-color 0.15s;
}
.input:focus { border-color: var(--brand); }
.input-sm { padding: 4px 8px; font-size: 0.8rem; }

/* ── Tables ───────────────────────────────────────────────── */

.table-wrap { overflow-x: auto; }

.data-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--panel);
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--line);
}
.data-table th {
  background: color-mix(in srgb, var(--brand) 6%, white);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--muted);
  padding: 10px 12px;
  text-align: left;
  font-weight: 600;
  border-bottom: 1px solid var(--line);
}
.data-table td {
  padding: 8px 12px;
  border-bottom: 1px solid color-mix(in srgb, var(--line) 50%, transparent);
  vertical-align: middle;
}
.data-table tbody tr:hover td { background: color-mix(in srgb, var(--brand) 4%, transparent); }

/* ── Common classes ───────────────────────────────────────── */

.muted { color: var(--muted); }
.mono { font-family: var(--grid); }
.text-sm { font-size: 0.85rem; }
.text-xs { font-size: 0.75rem; }

.thumb {
  width: 36px; height: 36px; object-fit: cover;
  border-radius: 4px; background: var(--line);
}

.collection-name {
  cursor: pointer; color: var(--brand); font-size: 0.92rem;
}
.collection-name:hover { text-decoration: underline; }

.badge {
  display: inline-block; padding: 2px 8px; border-radius: 20px;
  font-size: 0.75rem; font-weight: 600; white-space: nowrap;
}
.badge-blue { background: #dbeafe; color: #1d4ed8; }
.badge-amber { background: #fef3c7; color: #92400e; }
.badge-red { background: #fecaca; color: #991b1b; }

.field-row { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.field-row label { min-width: 100px; font-weight: 600; font-size: 0.85rem; }
.field-row .input { flex: 1; }

/* ── Cards ────────────────────────────────────────────────── */

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 16px;
}
.card h3 {
  font-size: 1rem; margin: 0 0 14px; color: var(--brand);
  border-bottom: 1px solid var(--line); padding-bottom: 8px;
}

.detail-wrap { max-width: 900px; }

/* ── Strategy Grid ────────────────────────────────────────── */

.strategy-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 16px; }

.strategy-card {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: 10px; padding: 18px;
  transition: box-shadow 0.15s, border-color 0.15s;
}
.strategy-card:hover { border-color: var(--brand); box-shadow: 0 2px 12px rgba(11,58,110,0.08); }
.strategy-card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 6px; }
.strategy-card-header strong { font-size: 1.05rem; color: var(--brand); }
.strategy-card-actions { display: flex; gap: 8px; border-top: 1px solid var(--line); padding-top: 12px; }

/* ── Bucket items ─────────────────────────────────────────── */

.bucket-list { display: flex; flex-direction: column; gap: 8px; margin-bottom: 14px; }

.bucket-item {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  padding: 10px 14px; background: #f8fafc;
  border: 1px solid var(--line); border-radius: 8px;
  cursor: grab; transition: border-color 0.15s;
}
.bucket-cap-row {
  display: flex; align-items: center; gap: 4px;
  margin-left: auto;
}
.bucket-cap-row input[type="checkbox"] { margin: 0; }
.bucket-cap-row .text-xs { white-space: nowrap; }
.bucket-item:hover { border-color: var(--brand); }
.bucket-item.dragging { opacity: 0.4; }
.bucket-item.drag-over { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 6%, white); }

.drag-handle { cursor: grab; color: var(--muted); font-size: 1.2rem; user-select: none; }

.bucket-add { display: flex; gap: 8px; flex-wrap: wrap; }

/* ── Weight sliders ───────────────────────────────────────── */

.weight-sliders { display: flex; flex-direction: column; gap: 10px; }
.weight-row { display: flex; align-items: center; gap: 12px; }
.weight-label { min-width: 150px; font-size: 0.85rem; font-weight: 500; }

.weight-slider {
  flex: 1; height: 6px; -webkit-appearance: none; appearance: none;
  border-radius: 3px; background: var(--line); outline: none;
}
.weight-slider::-webkit-slider-thumb {
  -webkit-appearance: none; width: 18px; height: 18px;
  border-radius: 50%; background: var(--brand); cursor: pointer;
  border: 2px solid white; box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

.weight-value { min-width: 40px; text-align: right; font-size: 0.85rem; font-weight: 600; font-family: var(--grid); color: var(--brand); }
.weight-total { margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--line); font-size: 0.9rem; font-weight: 600; display: flex; align-items: center; }

/* ── Guards ────────────────────────────────────────────────── */

.guard-row { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 14px; font-size: 0.9rem; cursor: pointer; }
.guard-row input[type="checkbox"] { width: 18px; height: 18px; min-width: 18px; accent-color: var(--brand); margin-top: 2px; }
.guard-row div { line-height: 1.4; }
.config-grid { display: flex; flex-direction: column; gap: 4px; }

/* ── Pin UI ───────────────────────────────────────────────── */

.pin-list { display: flex; flex-direction: column; gap: 6px; }
.pin-row { display: flex; align-items: center; gap: 10px; padding: 8px 12px; background: #fffbeb; border: 1px solid #fde68a; border-radius: 8px; }
.pin-pos { font-family: var(--grid); font-weight: 700; color: #92400e; min-width: 36px; }
.pin-img { width: 32px; height: 32px; object-fit: cover; border-radius: 4px; flex-shrink: 0; }
.pin-title { flex: 1; font-size: 0.88rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pin-results { margin-top: 6px; }
.pin-result-item { display: flex; align-items: center; gap: 8px; padding: 6px 10px; border-radius: 6px; cursor: pointer; font-size: 0.85rem; }
.pin-result-item:hover { background: color-mix(in srgb, var(--brand) 8%, transparent); }

/* ── Detail Stats ────────────────────────────────────────── */

.detail-stats {
  display: flex; flex-wrap: wrap; gap: 0;
  background: var(--panel); border: 1px solid var(--line);
  border-radius: 10px; overflow: hidden; margin-bottom: 16px;
}
.stat-item {
  flex: 1; min-width: 100px; padding: 14px 16px;
  text-align: center; border-right: 1px solid var(--line);
}
.stat-item:last-child { border-right: none; }
.stat-val { display: block; font-size: 1.3rem; font-weight: 700; color: var(--brand); font-family: var(--grid); }
.stat-val.stat-green { color: var(--accent); }
.stat-val.stat-red { color: var(--danger); }
.stat-label { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.5px; color: var(--muted); font-weight: 600; }

/* ── Collection detail position ───────────────────────────── */

.pos-cell { font-family: var(--grid); font-weight: 600; color: var(--muted); text-align: center; }
.row-pinned { background: color-mix(in srgb, #fef3c7 40%, transparent) !important; }
.row-locked { background: color-mix(in srgb, #dbeafe 40%, transparent) !important; }
.row-oos td:not(:first-child) { opacity: 0.5; }
.row-selected { background: color-mix(in srgb, var(--brand) 8%, transparent) !important; }

/* ── Manual Mode ──────────────────────────────────────────── */

.manual-toolbar {
  display: flex; align-items: center; gap: 10px; padding: 10px 14px;
  background: var(--panel); border: 1px solid var(--line);
  border-radius: 10px; margin-bottom: 12px; flex-wrap: wrap;
}

.manual-list { display: flex; flex-direction: column; gap: 4px; }

.manual-row {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: 8px; cursor: grab;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.manual-row:hover { border-color: var(--brand); box-shadow: 0 1px 4px rgba(11,58,110,0.06); }
.manual-row.dragging { opacity: 0.4; border-style: dashed; }
.manual-row.drag-over { border-color: var(--accent); box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 20%, transparent); }

.manual-row-inner { display: flex; align-items: center; gap: 10px; padding: 8px 14px; }
.manual-cb { width: 16px; height: 16px; accent-color: var(--brand); }
.manual-pos { font-family: var(--grid); font-weight: 700; color: var(--muted); min-width: 32px; text-align: center; font-size: 0.85rem; }
.manual-img { width: 44px; height: 44px; object-fit: cover; border-radius: 6px; flex-shrink: 0; background: var(--line); }
.manual-info { flex: 1; min-width: 0; }
.manual-info strong { display: block; font-size: 0.88rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.manual-info small { color: var(--muted); font-size: 0.78rem; }
.manual-badges { display: flex; gap: 4px; flex-shrink: 0; }

/* ── Debug log ────────────────────────────────────────────── */

.debug-log {
  border-top: 1px solid var(--line);
  background: #0f172a;
  color: #94a3b8;
  padding: 8px 24px;
  font-family: var(--grid);
  font-size: 0.75rem;
  max-height: 120px;
  overflow-y: auto;
}
.debug-line { padding: 1px 0; }
.debug-ok { color: #34d399; }
.debug-error { color: #f87171; }
.debug-system { color: #60a5fa; }
.debug-nav { color: #a78bfa; }