/* Mobile-first, no inline styles (strict CSP). System fonts only (no 3rd-party). */
:root {
  --green: #2e7d32; --green-dark: #1b5e20; --bg: #f7f7f5; --card: #fff;
  --text: #222; --muted: #666; --line: #e3e3e0; --warn: #b26a00; --bad: #c62828;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  line-height: 1.4; padding-bottom: env(safe-area-inset-bottom);
}
.app-header {
  display: flex; align-items: center; justify-content: space-between;
  background: var(--green); color: #fff; padding: 0.8rem 1rem;
}
.app-header h1 { font-size: 1.1rem; margin: 0; }
.tabs { display: flex; overflow-x: auto; background: var(--card); border-bottom: 1px solid var(--line); }
.tab {
  flex: 1 0 auto; padding: 0.7rem 0.9rem; border: 0; background: none;
  font-size: 0.95rem; color: var(--muted); border-bottom: 3px solid transparent; cursor: pointer;
}
.tab[aria-current="true"] { color: var(--green-dark); border-bottom-color: var(--green); font-weight: 600; }
.main { padding: 1rem; max-width: 720px; margin: 0 auto; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 1rem; margin-bottom: 0.8rem; }
.day-row { display: flex; justify-content: space-between; align-items: center; gap: 0.5rem; }
.day-row .day { font-weight: 600; width: 5.5rem; }
.badge { font-size: 0.72rem; padding: 0.1rem 0.45rem; border-radius: 999px; }
.badge.busy { background: #fde7e7; color: var(--bad); }
.badge.free { background: #e7f3e8; color: var(--green-dark); }
.badge.est { background: #fff3e0; color: var(--warn); }
.btn {
  background: var(--green); color: #fff; border: 0; border-radius: 8px;
  padding: 0.6rem 1rem; font-size: 0.95rem; cursor: pointer;
}
.btn.secondary { background: #eef0ee; color: var(--text); }
.btn:active { background: var(--green-dark); }
.link-btn { background: none; border: 0; color: #fff; text-decoration: underline; cursor: pointer; }
.list { list-style: none; margin: 0; padding: 0; }
.list li { display: flex; justify-content: space-between; align-items: center; padding: 0.55rem 0; border-bottom: 1px solid var(--line); gap: 0.5rem; }
.list li:last-child { border-bottom: 0; }
.muted { color: var(--muted); font-size: 0.88rem; }
.reminders { background: #fff8e1; border-bottom: 1px solid #f0e3b0; padding: 0.5rem 1rem; font-size: 0.9rem; }
.reminders ul { margin: 0.3rem 0 0; padding-left: 1.1rem; }
input, select {
  font: inherit; padding: 0.5rem; border: 1px solid var(--line); border-radius: 8px; width: 100%;
}
.field { margin-bottom: 0.6rem; }
.field label { display: block; font-size: 0.82rem; color: var(--muted); margin-bottom: 0.2rem; }
.row-actions { display: flex; gap: 0.4rem; }
a.tesco { color: var(--green-dark); font-size: 0.85rem; }
.toast {
  position: fixed; left: 50%; bottom: 1.2rem; transform: translateX(-50%);
  background: #222; color: #fff; padding: 0.6rem 1rem; border-radius: 8px; font-size: 0.9rem; z-index: 10;
}
.aisle-head { margin: 0.8rem 0 0.2rem; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); }
h2 { font-size: 1.05rem; margin: 0.2rem 0 0.8rem; }