/* Bell Tracker theme, layered over Bootstrap 4.
   Academic but friendly: Fraunces (its soft, slightly wonky cut) for
   headings, Figtree for everything people read and fill in.
   The one decorative device is the five-line staff under the header. */

:root {
  --ink: #1d2433;
  --oxford: #22385c;
  --oxford-dark: #172840;
  --oxford-tint: #e8edf5;
  --link: #1c5ca8;
  --link-hover: #123f75;
  --bronze: #9a6b2f;
  --muted: #5b6475;
  --rule: #d5d9e0;
  --page: #f6f7f9;
  --surface: #ffffff;
  --success: #2f6b4f;
  --danger: #a33a32;

  --font-serif: "Fraunces", Georgia, "Times New Roman", serif;
  --font-sans: "Figtree", -apple-system, "Segoe UI", Roboto, sans-serif;
  --radius: 4px;
}

/* ---------- Base ---------- */

body {
  background: var(--page);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
  color: var(--ink);
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.2;
}

h1, .h1 { font-size: 2.25rem; margin-bottom: 1rem; }
h2, .h2 { font-size: 1.6rem; margin-top: 2rem; }
h3, .h3, h4, .h4 { font-size: 1.3rem; }
h5, .h5 { font-size: 1.1rem; margin-top: 1.25rem; }

/* Links are a clearer blue than the ink and always underlined, so they
   never read as plain text. Buttons opt out via .btn. */
a {
  color: var(--link);
  text-decoration: underline;
  text-decoration-color: rgba(28, 92, 168, .4);
  text-decoration-thickness: 1px;
  text-underline-offset: .2em;
}
a:hover {
  color: var(--link-hover);
  text-decoration-color: currentColor;
}
a.btn, a.btn:hover, a.brand-logo { text-decoration: none; }

.text-muted { color: var(--muted) !important; }
.text-success { color: var(--success) !important; }
.text-danger { color: var(--danger) !important; }

:focus-visible {
  outline: 2px solid var(--bronze);
  outline-offset: 2px;
}

main.page {
  padding-bottom: 4rem;
}

/* ---------- Header and staff ---------- */

.site-header {
  background: var(--surface);
  margin-bottom: 2.5rem;
}

.site-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: .5rem 1.5rem;
  padding: 1.25rem 0 1rem;
}

/* Five staff lines, 5px apart, spanning the page like a printed score. */
.site-header::after {
  content: "";
  display: block;
  height: 21px;
  background:
    repeating-linear-gradient(
      to bottom,
      #c4ccd8 0 1px,
      transparent 1px 5px
    );
  background-size: 100% 21px;
}

.brand-logo {
  color: var(--ink);
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.7rem;
  letter-spacing: .005em;
  line-height: 1;
  padding: 0;
  margin: 0;
}
.brand-logo:hover, .brand-logo:focus { color: var(--oxford); text-decoration: none; }
.brand-logo .brand-name em {
  font-style: italic;
  font-weight: 500;
  color: var(--bronze);
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .25rem 1.25rem;
  font-size: .925rem;
}
.site-nav .user-name { color: var(--muted); }
.site-nav a,
.site-nav .link-button {
  color: var(--link);
  background: none;
  border: 0;
  padding: 0;
  font: inherit;
  cursor: pointer;
}
.site-nav a:hover,
.site-nav .link-button:hover { color: var(--link-hover); }
.site-nav .link-button {
  text-decoration: underline;
  text-decoration-color: rgba(28, 92, 168, .4);
  text-underline-offset: .2em;
}
.site-nav .link-button:hover { text-decoration-color: currentColor; }

/* ---------- Buttons ---------- */

.btn {
  border-radius: var(--radius);
  font-weight: 500;
  letter-spacing: .01em;
}
.btn:focus, .btn.focus { box-shadow: none; }
.btn:focus-visible { outline: 2px solid var(--bronze); outline-offset: 2px; }

.btn-primary {
  background: var(--oxford);
  border-color: var(--oxford);
}
.btn-primary:hover,
.btn-primary:not(:disabled):not(.disabled):active {
  background: var(--oxford-dark);
  border-color: var(--oxford-dark);
}

.btn-outline-primary {
  color: var(--oxford);
  border-color: var(--oxford);
}
.btn-outline-primary:hover,
.btn-outline-primary:not(:disabled):not(.disabled):active {
  background: var(--oxford);
  border-color: var(--oxford);
  color: #fff;
}

.btn-outline-secondary {
  color: var(--ink);
  border-color: #98a3b5;
  background: var(--surface);
}
.btn-outline-secondary:hover,
.btn-outline-secondary:not(:disabled):not(.disabled):active {
  background: var(--oxford-tint);
  border-color: #b9c3d3;
  color: var(--oxford-dark);
}

/* ---------- Forms ---------- */

label { font-weight: 500; }

.form-control {
  border-color: #c3c9d3;
  border-radius: var(--radius);
  color: var(--ink);
}
.form-control:focus {
  border-color: var(--oxford);
  box-shadow: 0 0 0 .15rem rgba(34, 56, 92, .18);
}

.form-check-input { accent-color: var(--oxford); }
.form-check-label { font-weight: 400; }

.custom-control-input:checked ~ .custom-control-label::before {
  background-color: var(--oxford);
  border-color: var(--oxford);
}
.custom-control-input:focus ~ .custom-control-label::before {
  box-shadow: 0 0 0 .15rem rgba(34, 56, 92, .18);
}

.form-text { font-size: .85rem; }

details.instrument-section {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: .7rem 1rem;
}
details.instrument-section > summary {
  margin-bottom: 0;
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 600;
}
details.instrument-section[open] > summary { margin-bottom: .75rem; }

/* ---------- Lists, cards, tables ---------- */

.list-group-item,
.card {
  background: var(--surface);
  border-color: var(--rule);
}
.list-group-item:first-child { border-top-left-radius: var(--radius); border-top-right-radius: var(--radius); }
.list-group-item:last-child { border-bottom-left-radius: var(--radius); border-bottom-right-radius: var(--radius); }
.card { border-radius: var(--radius); }
.card dl > dd:last-child { margin-bottom: 0; }
.card-title { font-family: var(--font-serif); font-weight: 600; margin-top: 0; }

.table {
  background: var(--surface);
  border: 1px solid var(--rule);
  color: var(--ink);
}
.table thead th {
  border-top: 0;
  border-bottom: 1px solid var(--ink);
  color: var(--muted);
  font-size: .85rem;
  font-weight: 600;
}
.table td, .table th { border-top-color: var(--rule); vertical-align: middle; }

/* Home page: one program per row, the ringer's own sheet first,
   reports as quiet secondary links. */
.program-list .list-group-item { padding: 1rem 1.25rem; }
.program-name {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 600;
}
.program-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: .5rem 1rem;
}
.program-links,
.program-reports {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .25rem 1.25rem;
  margin-top: .5rem;
  font-size: .9rem;
}
.program-links .link-group,
.program-reports .link-group {
  display: inline-flex;
  flex-wrap: wrap;
  gap: .25rem .75rem;
}
.program-links .links-label { color: var(--muted); }
.program-reports {
  padding-top: .5rem;
  border-top: 1px dashed var(--rule);
}
/* On a phone the one button the ringer needs spans the card. */
@media (max-width: 575.98px) {
  .program-list .list-group-item { padding: .9rem 1rem; }
  .program-head { flex-direction: column; align-items: stretch; }
  .program-primary { display: block; width: 100%; padding: .45rem .75rem; font-size: .95rem; }
  .program-links { margin-top: .65rem; }
}
.program-reports .reports-label { color: var(--muted); }

/* ---------- Alerts ---------- */

.alert {
  border-radius: var(--radius);
  border-width: 0 0 0 3px;
}
.alert-success { background: #e9f2ed; border-color: var(--success); color: #1f4a36; }
.alert-danger  { background: #f8eae8; border-color: var(--danger); color: #6e2620; }
.alert-warning { background: #f7f0e3; border-color: var(--bronze); color: #5c3f19; }
.alert-info    { background: var(--oxford-tint); border-color: var(--oxford); color: var(--oxford-dark); }

/* ---------- Print ---------- */

@media print {
  body { background: #fff; }
  .site-header { display: none !important; }
  .card, .table { border-color: #999; }
}