:root {
  --color-bg: #f5f6f8;
  --color-surface: #ffffff;
  --color-text: #1c1f26;
  --color-muted: #6b7280;
  --color-border: #e3e5e9;
  --color-accent: #2563eb;
  --color-accent-hover: #1d4ed8;
  --color-error: #dc2626;
  --color-error-bg: #fef2f2;
  --color-ok: #16a34a;
  --color-ok-bg: #f0fdf4;
  --color-warn: #d97706;
  --radius: 10px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: var(--font-sans); background: var(--color-bg); color: var(--color-text); }
a { color: var(--color-accent); text-decoration: none; }
a:hover { color: var(--color-accent-hover); }
button, input, select, textarea { font: inherit; }

#nav {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 0 20px;
  height: 56px;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
}
#nav .brand { font-weight: 600; }
#nav .tabs { display: flex; gap: 4px; flex: 1; }
#nav .tab { padding: 8px 14px; border-radius: var(--radius); color: var(--color-muted); font-size: 14px; }
#nav .tab:hover { background: var(--color-bg); color: var(--color-text); }
#nav .tab.active { background: var(--color-accent); color: #fff; }
#nav .right { display: flex; align-items: center; gap: 12px; }
#nav button.logout { background: none; border: 1px solid var(--color-border); border-radius: var(--radius); padding: 6px 12px; cursor: pointer; }

#app { max-width: 1100px; margin: 0 auto; padding: 28px 20px; }

h1 { font-size: 22px; margin: 0 0 20px; }
h2 { font-size: 16px; margin: 0 0 12px; }

.panel { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 20px 24px; margin-bottom: 18px; }

.form-grid { display: grid; gap: 12px; max-width: 420px; }
.form-grid label { display: flex; flex-direction: column; gap: 5px; font-size: 13px; color: var(--color-muted); }
.form-grid input, .form-grid select, .form-grid textarea { padding: 9px 11px; border: 1px solid var(--color-border); border-radius: var(--radius); color: var(--color-text); }

.btn { padding: 9px 16px; border-radius: var(--radius); border: 1px solid var(--color-border); background: var(--color-surface); cursor: pointer; }
.btn:hover { background: var(--color-bg); }
.btn.primary { background: var(--color-accent); border-color: var(--color-accent); color: #fff; }
.btn.primary:hover { background: var(--color-accent-hover); }
.btn.small { padding: 6px 12px; font-size: 13px; }
.btn.danger { color: var(--color-error); border-color: var(--color-error); }
.btn:disabled { opacity: .5; cursor: not-allowed; }

.alert { padding: 10px 14px; border-radius: var(--radius); font-size: 14px; margin-bottom: 14px; }
.alert.ok { background: var(--color-ok-bg); color: var(--color-ok); }
.alert.error { background: var(--color-error-bg); color: var(--color-error); }
.alert.warn { background: #fffbeb; color: var(--color-warn); }

table { width: 100%; border-collapse: collapse; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); overflow: hidden; }
th, td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--color-border); font-size: 14px; }
th { font-size: 12px; text-transform: uppercase; color: var(--color-muted); }
tr:last-child td { border-bottom: none; }

.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; margin-bottom: 20px; }
.tile { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 16px; }
.tile .value { font-size: 22px; font-weight: 700; }
.tile .label { font-size: 12px; color: var(--color-muted); margin-top: 2px; }

.card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 16px 18px; margin-bottom: 12px; }
.card-head { display: flex; justify-content: space-between; align-items: center; }
.badge { font-size: 11px; padding: 2px 8px; border-radius: 999px; background: var(--color-bg); color: var(--color-muted); }
.badge.running { background: var(--color-ok-bg); color: var(--color-ok); }
.badge.maturing { background: #fffbeb; color: var(--color-warn); }
.badge.paused { background: var(--color-error-bg); color: var(--color-error); }
.badge.done { background: var(--color-bg); color: var(--color-muted); }

.mono { font-family: ui-monospace, monospace; font-size: 13px; }
.hint { font-size: 12px; color: var(--color-muted); }
.empty-state { text-align: center; padding: 60px 20px; color: var(--color-muted); }

.variant-row { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.variant-row input[type=text] { flex: 1; }

#toast { position: fixed; bottom: 20px; right: 20px; z-index: 50; display: flex; flex-direction: column; gap: 8px; }
.toast-item { background: var(--color-text); color: #fff; padding: 10px 16px; border-radius: var(--radius); font-size: 14px; box-shadow: 0 8px 24px rgba(0,0,0,.15); }

.funnel-bar { height: 8px; background: var(--color-bg); border-radius: 4px; overflow: hidden; margin: 4px 0; }
.funnel-bar > div { height: 100%; background: var(--color-accent); }

@media (max-width: 640px) {
  #nav .tabs { overflow-x: auto; }
  #app { padding: 16px 12px; }
  table, thead, tbody, th, td, tr { display: block; }
  thead { display: none; }
  tr { border: 1px solid var(--color-border); border-radius: var(--radius); margin-bottom: 8px; }
  td { border-bottom: none; }
}