/* PantryPilot base: design tokens, reset, typography, buttons, form fields.
   Palette is warm and high-contrast for bright-kitchen legibility. */

:root {
  --bg: #f7f4ee;
  --panel: #ffffff;
  --panel-border: #e6e0d4;
  --ink: #22201b;
  --ink-soft: #57534a;
  --ink-faint: #6f6b60; /* >=4.5:1 on both panel white and page bg; was #8a857a (3.7:1, failed AA) */
  --accent: #2f6b3f;
  --accent-strong: #245231;
  --accent-soft: #e3f2e5;
  --danger: #b3261e;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 1px 2px rgba(34, 32, 27, 0.06), 0 4px 14px rgba(34, 32, 27, 0.05);
  --shadow-lift: 0 2px 4px rgba(34, 32, 27, 0.08), 0 10px 28px rgba(34, 32, 27, 0.12);
  --tap: 44px;
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { margin: 0; line-height: 1.2; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }

body.has-modal { overflow: hidden; }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}

.skip-link {
  position: absolute; left: 12px; top: -48px;
  background: var(--ink); color: #fff;
  padding: 10px 16px; border-radius: var(--radius-sm);
  z-index: 60; text-decoration: none;
  transition: top 0.15s ease;
}
.skip-link:focus { top: 12px; }

/* ---------- buttons ---------- */

.btn {
  font: inherit; font-weight: 600;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  min-height: var(--tap);
  padding: 0 18px;
  cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  transition: background 0.12s ease, box-shadow 0.12s ease, transform 0.06s ease;
}
.btn:active { transform: translateY(1px); }
.btn:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 3px solid rgba(47, 107, 63, 0.45);
  outline-offset: 1px;
}

.btn--primary { background: var(--accent); color: #fff; }
.btn--primary:hover { background: var(--accent-strong); }

.btn--secondary { background: #fff; border-color: var(--panel-border); color: var(--ink); }
.btn--secondary:hover { background: #f3efe7; }

.btn--danger { background: var(--danger); color: #fff; }
.btn--danger:hover { background: #8f1d17; }

.btn--danger-quiet { color: var(--danger); }
.btn--danger-quiet:hover { background: #fbeae9; }

.btn--ghost { background: transparent; color: var(--ink-soft); }
.btn--ghost:hover { background: rgba(34, 32, 27, 0.06); color: var(--ink); }

.btn--link { background: none; border: none; color: var(--accent); text-decoration: underline; min-height: 0; padding: 0 4px; }

.btn--sm { min-height: 34px; padding: 0 10px; font-size: 13px; }
.btn--lg { min-height: 52px; padding: 0 26px; font-size: 16px; }

.btn[disabled] { opacity: 0.45; cursor: default; transform: none; }

/* ---------- form fields ---------- */

.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.field--inline { flex-direction: row; align-items: center; gap: 8px; margin-bottom: 0; }
.field__label { font-size: 13px; font-weight: 600; color: var(--ink-soft); }
.field__label-row { display: flex; align-items: center; justify-content: space-between; }
.field__error { color: var(--danger); font-size: 13px; font-weight: 600; }
.field__checkbox { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--ink-soft); margin-top: 8px; }
.field__checkbox input { width: 18px; height: 18px; }

input, select, textarea {
  font: inherit; color: var(--ink);
  background: #fff;
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  min-height: var(--tap);
}
input:hover, select:hover, textarea:hover { border-color: #cfc8b8; }
input[aria-invalid="true"] { border-color: var(--danger); }
select { padding-right: 32px; }
textarea { resize: vertical; min-height: 0; }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
.form-grid--qty { grid-template-columns: 1fr 1fr 1fr; }

@media (max-width: 560px) {
  .form-grid, .form-grid--qty { grid-template-columns: 1fr; }
}