:root {
  --color-bg: #f6f5f2;
  --color-surface: #ffffff;
  --color-border: #e4e0d8;
  --color-text: #24211d;
  --color-text-muted: #6b675f;
  --color-primary: #8a3b2b;
  --color-primary-dark: #6e2f22;
  --color-accent: #c9922a;
  --color-success: #3b7a4a;
  --color-error: #b3392a;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(30, 25, 15, 0.08), 0 1px 2px rgba(30, 25, 15, 0.06);
  font-size: 16px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.5;
}

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

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* ---------- Nav ---------- */
.site-nav {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}
.site-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.85rem;
  padding-bottom: 0.85rem;
}
.brand {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-primary-dark);
  letter-spacing: -0.02em;
}
.brand:hover { text-decoration: none; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  font-size: 0.95rem;
}
.nav-links a { color: var(--color-text); }
.nav-links a.active { color: var(--color-primary); font-weight: 600; }
.nav-user { color: var(--color-text-muted); font-size: 0.9rem; }

/* ---------- Layout ---------- */
main.page {
  padding: 2rem 0 4rem;
}

.page-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}
.page-header h1 { margin: 0; font-size: 1.6rem; }
.page-header .subtitle { color: var(--color-text-muted); margin-top: 0.15rem; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  border: 1px solid var(--color-primary);
  background: var(--color-primary);
  color: #fff;
  padding: 0.55rem 1.1rem;
  border-radius: var(--radius);
  font-size: 0.95rem;
  cursor: pointer;
  font-weight: 600;
}
.btn:hover { background: var(--color-primary-dark); border-color: var(--color-primary-dark); text-decoration: none; }
.btn-secondary {
  background: transparent;
  color: var(--color-primary);
}
.btn-secondary:hover { background: rgba(138, 59, 43, 0.08); }
.btn-small { padding: 0.3rem 0.7rem; font-size: 0.85rem; }
.btn-danger {
  background: var(--color-error);
  border-color: var(--color-error);
}
.btn-danger:hover { background: #8f2c20; border-color: #8f2c20; }
.btn-danger-outline {
  background: transparent;
  border-color: var(--color-error);
  color: var(--color-error);
}
.btn-danger-outline:hover { background: rgba(179, 57, 42, 0.08); }

/* ---------- Cards ---------- */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.25rem 1.5rem;
}
.card + .card { margin-top: 1rem; }

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
}

/* ---------- Forms ---------- */
form.stack { display: flex; flex-direction: column; gap: 1rem; max-width: 480px; }
label { font-weight: 600; font-size: 0.9rem; display: block; margin-bottom: 0.3rem; }
input[type="text"], input[type="email"], input[type="password"], input[type="tel"],
select, textarea {
  width: 100%;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
  background: var(--color-surface);
  color: var(--color-text);
}
textarea { resize: vertical; min-height: 90px; }
.field-hint { color: var(--color-text-muted); font-size: 0.85rem; margin-top: 0.25rem; }
.radio-group { display: flex; gap: 1.25rem; }
.radio-group label { font-weight: 500; display: flex; align-items: center; gap: 0.4rem; }

/* ---------- Alerts ---------- */
.alert {
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  margin-bottom: 1.25rem;
  font-size: 0.95rem;
}
.alert-success { background: #e9f3ea; color: var(--color-success); border: 1px solid #c7e0cb; }
.alert-error { background: #fbeae7; color: var(--color-error); border: 1px solid #f1c8c1; }

/* ---------- Icons ---------- */
.icon { width: 1.1em; height: 1.1em; vertical-align: -0.2em; }
.icon-label { display: inline-flex; align-items: center; gap: 0.35rem; }
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  background: #f1ede4;
  color: var(--color-text-muted);
}
.badge-individual { background: #f4e9de; color: var(--color-accent); }
.badge-group { background: #e6eef0; color: #2c5f68; }

.star { width: 1.2em; height: 1.2em; }
.star-filled { color: var(--color-accent); }
.star-empty { color: var(--color-border); }
.star-rating { display: inline-flex; gap: 0.1rem; }
.star-rating-input { display: inline-flex; flex-direction: row-reverse; gap: 0.15rem; }
.star-rating-input input { position: absolute; opacity: 0; pointer-events: none; }
.star-rating-input label { cursor: pointer; margin: 0; }
.star-rating-input label .icon { width: 1.6em; height: 1.6em; }
.star-rating-input input:checked ~ label .star,
.star-rating-input label:hover .star,
.star-rating-input label:hover ~ label .star {
  color: var(--color-accent);
}

/* ---------- Todo list ---------- */
.media-section-title {
  margin: 0 0 0.25rem;
  font-size: 1rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 700;
}
.media-section-title .icon { color: var(--color-primary); }

.todo-item {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--color-border);
}
.todo-item:last-child { border-bottom: none; }
.todo-item .meta { color: var(--color-text-muted); font-size: 0.85rem; margin-top: 0.2rem; }
.todo-item h3 { margin: 0 0 0.2rem; font-size: 1.05rem; }

.tabs { display: flex; gap: 1.5rem; border-bottom: 1px solid var(--color-border); margin-bottom: 1.25rem; }
.tabs a { padding-bottom: 0.6rem; color: var(--color-text-muted); border-bottom: 2px solid transparent; }
.tabs a.active { color: var(--color-primary); border-color: var(--color-primary); font-weight: 600; }

.sort-controls { display: flex; align-items: center; gap: 0.5rem; font-size: 0.9rem; color: var(--color-text-muted); margin-bottom: 1rem; }
.sort-controls a { padding: 0.25rem 0.6rem; border-radius: 999px; background: var(--color-surface); border: 1px solid var(--color-border); color: var(--color-text); }
.sort-controls a.active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }

/* ---------- Filter panel ---------- */
.filter-panel { margin-bottom: 1rem; }
.filter-row { display: flex; flex-wrap: wrap; gap: 1.5rem; }
.filter-group { min-width: 160px; }
.filter-group > label { margin-bottom: 0.4rem; }
.filter-group select { width: auto; min-width: 160px; }
.checkbox-list { display: flex; flex-wrap: wrap; gap: 0.4rem; max-width: 340px; }
.checkbox-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-weight: 500;
  font-size: 0.85rem;
  padding: 0.3rem 0.6rem;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-surface);
  cursor: pointer;
  user-select: none;
}
.checkbox-pill input { margin: 0; }
.checkbox-pill:has(input:checked) { background: rgba(138, 59, 43, 0.1); border-color: var(--color-primary); color: var(--color-primary-dark); }
.filter-actions { display: flex; gap: 0.6rem; margin-top: 1.1rem; }

/* ---------- Adherence ---------- */
table.adherence { width: 100%; border-collapse: collapse; }
table.adherence th, table.adherence td { text-align: left; padding: 0.5rem 0.6rem; border-bottom: 1px solid var(--color-border); }
.adherence-bar { background: var(--color-border); border-radius: 999px; height: 8px; width: 100%; overflow: hidden; }
.adherence-bar-fill { background: var(--color-success); height: 100%; }
.stat-row { display: flex; gap: 2rem; flex-wrap: wrap; margin-bottom: 1.5rem; }
.stat { text-align: left; }
.stat .value { font-size: 1.8rem; font-weight: 700; color: var(--color-primary-dark); }
.stat .label { color: var(--color-text-muted); font-size: 0.85rem; }

/* ---------- Home / marketing ---------- */
.hero { text-align: center; padding: 4rem 0 2rem; }
.hero h1 { font-size: 2.4rem; margin-bottom: 0.5rem; letter-spacing: -0.02em; }
.hero p { color: var(--color-text-muted); font-size: 1.15rem; max-width: 560px; margin: 0 auto 1.75rem; }
.hero .actions { display: flex; gap: 0.75rem; justify-content: center; }
.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; margin-top: 3rem; }
.feature-grid .card { text-align: center; }
.feature-grid .icon { width: 2rem; height: 2rem; color: var(--color-primary); margin-bottom: 0.5rem; }

.empty-state { text-align: center; color: var(--color-text-muted); padding: 2.5rem 1rem; }

@media (max-width: 640px) {
  .nav-links { gap: 0.75rem; font-size: 0.85rem; }
  .hero h1 { font-size: 1.9rem; }
}