:root {
  --bg: #f6f7f9; --panel: #fff; --text: #111827; --muted: #6b7280; --border: #e5e7eb;
  --accent: #2563eb; --success: #059669; --danger: #dc2626;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0f1115; --panel: #171a21; --text: #e5e7eb; --muted: #9ca3af; --border: #2a2f3a;
          --accent: #60a5fa; --success: #34d399; --danger: #f87171; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text);
       font: 15px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; }
body.center { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.header { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap;
          padding: 12px 16px; background: var(--panel); border-bottom: 1px solid var(--border); }
.header-right { display: flex; align-items: center; gap: 12px; }
.header form { margin: 0; }
.brand { font-weight: 700; display: flex; align-items: center; gap: 8px; }
.dot { width: 10px; height: 10px; border-radius: 50%; background: var(--accent); }
.container { max-width: 960px; margin: 0 auto; padding: 16px; display: grid; gap: 16px; }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 16px; }
.card h1, .card h2 { margin: 0 0 12px; font-size: 1.1rem; }
.login { width: 100%; max-width: 340px; display: grid; gap: 10px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; }
label { display: grid; gap: 4px; font-size: .85rem; color: var(--muted); }
label.wide { margin-top: 12px; }
input, select { font: inherit; color: var(--text); background: var(--bg); border: 1px solid var(--border);
                border-radius: 8px; padding: 8px 10px; width: 100%; }
.row { display: flex; gap: 8px; margin-top: 12px; flex-wrap: wrap; }
.btn { font: inherit; border: 0; border-radius: 8px; padding: 8px 14px; cursor: pointer;
       background: var(--accent); color: #fff; }
.btn.secondary { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn.danger { background: var(--danger); }
.btn.small { padding: 5px 10px; font-size: .85rem; }
.btn:disabled { opacity: .6; cursor: wait; }
.item { display: flex; align-items: center; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--border); }
.item:last-child { border-bottom: 0; }
.item > div:first-child { flex: 1; min-width: 0; overflow-wrap: anywhere; }
.item.current { background: color-mix(in srgb, var(--accent) 7%, transparent); margin: -16px -16px 0;
                padding: 16px; border-radius: 12px 12px 0 0; }
.title { font-weight: 600; }
.sum { color: var(--success); font-weight: 700; white-space: nowrap; }
.muted { color: var(--muted); }
.small { font-size: .82rem; }
.error { color: var(--danger); margin: 0; }
@media (max-width: 560px) { .item { flex-wrap: wrap; } .sum { width: 100%; } }