:root {
  --bg: #f4f6f8;
  --card: #ffffff;
  --text: #0f172a;
  --muted: #475569;
  --line: #e2e8f0;
  --primary: #111827;
  --accent: #22c55e;
  --danger: #ef4444;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  color: var(--text);
  background: var(--bg);
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--line);
  background: var(--card);
  position: sticky;
  top: 0;
}

h1, h2, h3 { margin: 0 0 0.5rem; }
.subtitle, .muted { color: var(--muted); }

main {
  max-width: 1200px;
  margin: 1rem auto 4rem;
  padding: 0 1rem;
  display: grid;
  gap: 1rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1rem;
}

.grid.two {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

label { display: block; margin-bottom: .6rem; font-weight: 600; }
input, select, button {
  width: 100%;
  margin-top: .35rem;
  padding: .65rem .75rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  font: inherit;
}

button {
  background: #fff;
  cursor: pointer;
}
button:hover { border-color: #94a3b8; }
button.primary {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

.social-buttons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .5rem;
  margin: .5rem 0;
}

.role-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin: .75rem 0;
}

.role-btn {
  width: auto;
  padding: .5rem .75rem;
}
.role-btn.active {
  background: #dbeafe;
  border-color: #60a5fa;
}

.auth-panel {
  border-top: 1px solid var(--line);
  padding-top: .75rem;
  margin-top: .75rem;
}

.hidden { display: none; }

.chips {
  display: flex;
  gap: .4rem;
  flex-wrap: wrap;
  margin: .5rem 0;
}
.chip {
  background: #eef2ff;
  border: 1px solid #c7d2fe;
  border-radius: 20px;
  padding: .35rem .7rem;
  font-size: .85rem;
}

.restaurant-list {
  display: grid;
  gap: .6rem;
}
.restaurant {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: .7rem;
}
.restaurant header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.restaurant .meta { font-size: .9rem; color: var(--muted); }

.clean-list { list-style: none; padding: 0; margin: 0; }
.clean-list li {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: .6rem;
  margin-bottom: .45rem;
}

.price-box {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: .7rem;
  margin: .6rem 0;
}
.price-box div {
  display: flex;
  justify-content: space-between;
  margin-bottom: .35rem;
}
.price-box .total {
  border-top: 1px solid var(--line);
  padding-top: .45rem;
  margin-top: .45rem;
  font-size: 1.05rem;
}

.timeline .step {
  border-left: 3px solid #cbd5e1;
  margin: .5rem 0;
  padding: .35rem .6rem;
}
.timeline .step.done { border-left-color: var(--accent); }

.status {
  background: #f8fafc;
  padding: .4rem .6rem;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.inline-form {
  display: grid;
  grid-template-columns: 2fr 1fr auto;
  gap: .5rem;
}

.toolbar {
  display: flex;
  align-items: center;
  gap: .6rem;
}

.approval-actions {
  display: flex;
  gap: .5rem;
  margin-top: .35rem;
}

.approval-actions button {
  width: auto;
}

.approve { border-color: #86efac; background: #f0fdf4; }
.reject { border-color: #fecaca; background: #fef2f2; }

footer {
  text-align: center;
  color: var(--muted);
  padding: 1rem;
}

@media (max-width: 900px) {
  .grid.two { grid-template-columns: 1fr; }
  .inline-form { grid-template-columns: 1fr; }
  .topbar { flex-direction: column; align-items: flex-start; gap: .5rem; }
  .social-buttons { grid-template-columns: 1fr; }
}