:root {
  --green: #2e7d5b;
  --green-dark: #235f45;
  --bg: #f7f7f5;
  --card: #ffffff;
  --border: #e2e2df;
  --text: #2a2a28;
  --muted: #7a7a76;
  --danger: #c0392b;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.login-body {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-card {
  background: var(--card);
  padding: 32px;
  border-radius: 12px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
  width: 280px;
  text-align: center;
}

.login-card h1 { margin-top: 0; }
.login-card input { width: 100%; padding: 10px; margin: 12px 0; border: 1px solid var(--border); border-radius: 8px; }
.login-card button, button {
  background: var(--green);
  color: white;
  border: none;
  padding: 10px 16px;
  border-radius: 8px;
  font-size: 15px;
  cursor: pointer;
}
button:hover { background: var(--green-dark); }
button.secondary { background: #e5e5e2; color: var(--text); }
button.secondary:hover { background: #d8d8d4; }
button.danger { background: var(--danger); }
.error { color: var(--danger); }

.topnav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 20px;
  background: var(--card);
  border-bottom: 1px solid var(--border);
}
.topnav .brand { font-weight: 600; }
.topnav .links a {
  margin-left: 18px;
  text-decoration: none;
  color: var(--muted);
  font-size: 14px;
}
.topnav .links a.active { color: var(--green); font-weight: 600; }
.topnav .links a.logout { color: var(--danger); }

.container { max-width: 700px; margin: 24px auto; padding: 0 16px; }

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

select, input, textarea {
  padding: 9px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 15px;
  font-family: inherit;
}

.add-row { display: flex; gap: 8px; margin-bottom: 20px; flex-wrap: wrap; }
.add-row input[type="text"]:first-child { flex: 1; min-width: 140px; }
.qty-input { width: 70px; }
.cat-input { width: 120px; }

.category-group { margin-bottom: 18px; }
.category-title {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  margin-bottom: 6px;
}

.item-row {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  margin-bottom: 6px;
}
.item-row.checked { opacity: 0.5; text-decoration: line-through; }
.item-row .item-name { flex: 1; }
.item-row .item-qty { color: var(--muted); font-size: 13px; }
.item-row .delete-btn {
  background: none; color: var(--muted); padding: 2px 6px; font-size: 16px;
}
.item-row .delete-btn:hover { color: var(--danger); background: none; }
.checkbox {
  width: 20px; height: 20px; border: 2px solid var(--green); border-radius: 5px; cursor: pointer;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.checkbox.checked { background: var(--green); color: white; }

.recipe-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; }
.recipe-card {
  background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 14px; cursor: pointer;
}
.recipe-card:hover { border-color: var(--green); }
.recipe-card h3 { margin: 0 0 4px; font-size: 16px; }
.muted { color: var(--muted); font-size: 13px; margin: 0; }
.tags { color: var(--green); font-size: 12px; margin: 6px 0 0; }

.modal {
  position: fixed; inset: 0; background: rgba(0,0,0,0.4);
  display: flex; align-items: flex-start; justify-content: center;
  overflow-y: auto; padding: 30px 16px;
}
.modal.hidden { display: none; }
.modal-content {
  background: var(--card); border-radius: 12px; padding: 24px; width: 100%; max-width: 480px;
  display: flex; flex-direction: column; gap: 4px;
}
.modal-content label { font-size: 13px; color: var(--muted); margin-top: 10px; }
.modal-content input, .modal-content textarea { width: 100%; }
.two-col, .four-col { display: grid; gap: 10px; }
.two-col { grid-template-columns: 1fr 1fr; }
.four-col { grid-template-columns: repeat(4, 1fr); }
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 18px; }

.week-grid { display: flex; flex-direction: column; gap: 8px; }
.day-row {
  display: flex; align-items: center; gap: 10px; background: var(--card);
  border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px;
}
.day-row .day-label { width: 90px; font-weight: 600; font-size: 14px; }
.day-row input[list] { flex: 1; }

@media (max-width: 480px) {
  .four-col { grid-template-columns: repeat(2, 1fr); }
  .day-row { flex-wrap: wrap; }
  .day-row .day-label { width: 100%; }
}