/* public/css/app.css
   Minimal but legible. No framework. Mobile-first.
*/

:root {
  --bg: #f7f6f3;
  --surface: #ffffff;
  --ink: #1f2024;
  --muted: #6b6f78;
  --accent: #2f6f4f;
  --accent-ink: #ffffff;
  --warn: #b04a2b;
  --danger: #a13c3c;
  --border: #e2e1dc;
  --radius: 6px;
  --shadow: 0 1px 2px rgba(0,0,0,0.06);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* ── Themes ─────────────────────────────────────────────────── */
[data-theme="library"] {
  --bg: #faf6ed;
  --surface: #fffdf6;
  --ink: #2a1a14;
  --muted: #6b5d4e;
  --accent: #722f37;
  --accent-ink: #faf6ed;
  --warn: #b08d4a;
  --danger: #8b2020;
  --border: #e0d5bc;
  --font: Georgia, "Times New Roman", serif;
}

[data-theme="oxblood"] {
  --bg: #ede4d3;
  --surface: #f4e8c8;
  --ink: #1a1a1a;
  --muted: #4a3a2a;
  --accent: #800020;
  --accent-ink: #f4e8c8;
  --warn: #b08d4a;
  --danger: #8b2020;
  --border: #b8a888;
  --font: "Times New Roman", Times, serif;
}

[data-theme="win95"] {
  --bg: #c0c0c0;
  --surface: #c0c0c0;
  --ink: #000000;
  --muted: #404040;
  --accent: #722f37;
  --accent-ink: #ffffff;
  --warn: #808000;
  --danger: #800000;
  --border: #808080;
  --radius: 0px;
  --shadow: none;
  --font: Tahoma, "MS Sans Serif", Arial, sans-serif;
}

[data-theme="corporate"] {
  --bg: #f5efe4;
  --surface: #fdfaf2;
  --ink: #1a1a1a;
  --muted: #4a4036;
  --accent: #6b1f2a;
  --accent-ink: #f5efe4;
  --warn: #1a2c4f;
  --danger: #8b2020;
  --border: #d4c9b0;
  --font: Garamond, Georgia, serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.4;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 { margin: 0 0 .5rem 0; }
h1 { font-size: 1.5rem; }
h2 { font-size: 1.2rem; }
h3 { font-size: 1.05rem; }

p { margin: 0 0 .75rem 0; }

.site-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: .75rem 1rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.site-header .brand {
  font-weight: 600;
  color: var(--ink);
  margin-right: auto;
}
.site-header nav a {
  margin-right: 1rem;
  color: var(--muted);
}
.site-header nav a.active { color: var(--ink); font-weight: 600; }
.site-header .signout {
  background: none;
  border: 1px solid var(--border);
  color: var(--muted);
  padding: .25rem .6rem;
  border-radius: var(--radius);
  cursor: pointer;
}

main {
  max-width: 960px;
  margin: 0 auto;
  padding: 1rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1rem;
  margin-bottom: 1rem;
}

.muted { color: var(--muted); font-size: .9rem; }
.warn  { color: var(--warn); }
.danger { color: var(--danger); }

button, .btn {
  font-family: inherit;
  font-size: 1rem;
  padding: .5rem .9rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--ink);
  cursor: pointer;
}
button:hover, .btn:hover { background: #f0eee9; }
button.primary, .btn.primary {
  background: var(--accent);
  color: var(--accent-ink);
  border-color: var(--accent);
}
button.primary:hover, .btn.primary:hover { filter: brightness(0.95); }
button.danger { background: var(--danger); color: white; border-color: var(--danger); }
button:disabled { opacity: 0.5; cursor: not-allowed; }

input[type=text], input[type=email], input[type=number], input[type=date],
select, textarea {
  font-family: inherit;
  font-size: 1rem;
  padding: .4rem .6rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
  width: 100%;
}
textarea { min-height: 5rem; }

label {
  display: block;
  margin-bottom: .25rem;
  font-size: .9rem;
  color: var(--muted);
}

.form-row { margin-bottom: .75rem; }

.row { display: flex; gap: .5rem; align-items: center; }
.row.wrap { flex-wrap: wrap; }

table {
  width: 100%;
  border-collapse: collapse;
}
th, td {
  text-align: left;
  padding: .4rem .5rem;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
th { color: var(--muted); font-weight: 600; font-size: .85rem; }

.empty {
  padding: 2rem 1rem;
  text-align: center;
  color: var(--muted);
}

/* ---------- 0.5 stepper ---------- */
.stepper {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
}
.stepper button {
  border: 0;
  background: transparent;
  width: 2rem;
  height: 2rem;
  font-size: 1.2rem;
  padding: 0;
  cursor: pointer;
}
.stepper button:hover { background: #f0eee9; }
.stepper .value {
  min-width: 3rem;
  text-align: center;
  font-variant-numeric: tabular-nums;
  padding: 0 .25rem;
}

/* ---------- modal ---------- */
.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.35);
  display: flex; align-items: center; justify-content: center;
  z-index: 50;
}
.modal {
  background: var(--surface);
  border-radius: var(--radius);
  width: min(560px, calc(100% - 2rem));
  max-height: calc(100vh - 2rem);
  overflow: auto;
  padding: 1rem;
  box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}
.modal h2 { margin-top: 0; }
.modal .tabs {
  display: flex; gap: .25rem;
  border-bottom: 1px solid var(--border);
  margin: 0 -1rem 1rem -1rem;
  padding: 0 1rem;
}
.modal .tabs button {
  background: none;
  border: 0;
  border-bottom: 2px solid transparent;
  padding: .5rem .75rem;
  color: var(--muted);
  cursor: pointer;
}
.modal .tabs button.active {
  color: var(--ink);
  border-bottom-color: var(--accent);
}
.modal .actions {
  display: flex; gap: .5rem; justify-content: flex-end;
  margin-top: 1rem;
}

/* ---------- badge ---------- */
.badge {
  display: inline-block;
  font-size: .75rem;
  padding: .1rem .4rem;
  border-radius: 999px;
  background: #ecebe6;
  color: var(--muted);
  margin-left: .25rem;
}
.badge.warn  { background: #fbe6dc; color: var(--warn); }
.badge.ok    { background: #dfeee4; color: var(--accent); }
.badge.choice { background: #e6e1f3; color: #4a3f8a; }

/* ---------- collapsible group ---------- */
details.group {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: .5rem .75rem;
  margin-bottom: .75rem;
}
details.group > summary {
  cursor: pointer;
  font-weight: 600;
  margin: -.5rem -.75rem;
  padding: .5rem .75rem;
  list-style: none;
}
details.group > summary::after {
  content: '▸';
  float: right;
  color: var(--muted);
  transition: transform 0.1s;
}
details.group[open] > summary::after { transform: rotate(90deg); }

/* ---------- clickable rows + compact action buttons ---------- */
tr.clickable { cursor: pointer; }
tr.clickable:hover {
  background: #f0eee9;
  box-shadow: inset 2px 0 0 var(--accent);
}
.row-actions {
  display: inline-flex;
  gap: .25rem;
  white-space: nowrap;
}
button.btn-sm {
  font-size: .8rem;
  padding: .2rem .5rem;
  line-height: 1.2;
}