/* Podium — one stylesheet for every surface. Theme colour #6366F1 (brand/README.md). */
:root {
  --indigo: #6366f1;
  --indigo-dark: #4338ca;
  --indigo-soft: #eef2ff;
  --navy: #1e1b4b;
  --ink: #111827;
  --muted: #6b7280;
  --line: #e5e7eb;
  --bg: #f8fafc;
  --card: #ffffff;
  --ok: #047857;
  --ok-soft: #ecfdf5;
  --warn: #b45309;
  --warn-soft: #fffbeb;
  --err: #b91c1c;
  --err-soft: #fef2f2;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.5;
  font-size: 15px;
}

a { color: var(--indigo-dark); }
a:hover { color: var(--indigo); }

h1, h2, h3, h4 { line-height: 1.25; margin: 0 0 .5rem; color: var(--navy); }
h1 { font-size: 1.7rem; }
h2 { font-size: 1.3rem; margin-top: 1.5rem; }
h3 { font-size: 1.05rem; margin-top: 1.25rem; }
p { margin: 0 0 .75rem; }

/* ---------- chrome ---------- */
.topbar {
  background: var(--navy);
  color: #fff;
  padding: .6rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}
.topbar a { color: #c7d2fe; text-decoration: none; font-weight: 500; }
.topbar a:hover, .topbar a[aria-current="page"] { color: #fff; text-decoration: underline; }
.topbar .brand { display: flex; align-items: center; gap: .5rem; font-weight: 700; color: #fff; font-size: 1.05rem; }
.topbar .brand img { height: 26px; width: auto; }
.topbar .spacer { flex: 1; }
.topbar .who { color: #a5b4fc; font-size: .85rem; }

.subnav {
  background: #fff;
  border-bottom: 1px solid var(--line);
  padding: .5rem 1.25rem;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: .92rem;
}
.subnav a { text-decoration: none; color: var(--muted); padding: .15rem 0; }
.subnav a[aria-current="page"] { color: var(--indigo-dark); font-weight: 600; border-bottom: 2px solid var(--indigo); }

main { max-width: 1180px; margin: 0 auto; padding: 1.5rem 1.25rem 4rem; }
main.wide { max-width: 1500px; }
main.narrow { max-width: 720px; }

.page-head { display: flex; align-items: flex-start; gap: 1rem; flex-wrap: wrap; margin-bottom: 1rem; }
.page-head .grow { flex: 1; min-width: 240px; }
.page-head h1 { margin-bottom: .2rem; }
.lede { color: var(--muted); margin: 0; }

/* ---------- surfaces ---------- */
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.1rem 1.25rem;
  margin-bottom: 1rem;
}
.card h2:first-child, .card h3:first-child { margin-top: 0; }
.grid { display: grid; gap: 1rem; }
.grid.two { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.grid.three { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.grid.four { grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); }

/* `.stat` is rendered as an <a> whenever the number links somewhere (layout.ts),
   so it needs an explicit display — an inline element with this much padding
   overlaps the line above it rather than boxing. */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(9.5rem, 1fr)); gap: .75rem; margin-bottom: 1rem; }
.stat { display: block; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: .9rem 1rem; }
.stat:hover { border-color: var(--indigo); }
.stat .n { font-size: 1.7rem; font-weight: 700; color: var(--navy); display: block; line-height: 1.1; }
.stat .l { color: var(--muted); font-size: .82rem; text-transform: uppercase; letter-spacing: .04em; }

/* ---------- tables ---------- */
table { width: 100%; border-collapse: collapse; background: var(--card); font-size: .92rem; }
th, td { text-align: left; padding: .55rem .7rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); background: #fafafa; }
tbody tr:hover { background: #fcfcff; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); }

/* ---------- forms ---------- */
form.stack { display: flex; flex-direction: column; gap: .9rem; }
.field { display: flex; flex-direction: column; gap: .25rem; }
.field > label { font-weight: 600; font-size: .9rem; }
.field .help { color: var(--muted); font-size: .84rem; }
.field .req { color: var(--err); }
input[type=text], input[type=email], input[type=password], input[type=url], input[type=number],
input[type=date], input[type=time], input[type=datetime-local], input[type=search], select, textarea {
  font: inherit;
  padding: .5rem .6rem;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  background: #fff;
  width: 100%;
  max-width: 100%;
}
textarea { min-height: 8rem; resize: vertical; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--indigo); outline-offset: 1px; border-color: var(--indigo); }
fieldset { border: 1px solid var(--line); border-radius: var(--radius); padding: .9rem 1rem; margin: 0 0 1rem; background: #fff; }
legend { font-weight: 600; padding: 0 .35rem; }
.checkline { display: flex; align-items: flex-start; gap: .5rem; }
.checkline input { width: auto; margin-top: .25rem; }
.inline-form { display: inline; }
.row { display: flex; gap: .75rem; flex-wrap: wrap; align-items: flex-end; }
.row > * { flex: 1; min-width: 160px; }
.row > .shrink { flex: 0 0 auto; min-width: 0; }

button, .btn {
  font: inherit;
  font-weight: 600;
  padding: .5rem .9rem;
  border-radius: 8px;
  border: 1px solid var(--indigo-dark);
  background: var(--indigo);
  color: #fff;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
}
button:hover, .btn:hover { background: var(--indigo-dark); color: #fff; }
button.secondary, .btn.secondary { background: #fff; color: var(--indigo-dark); border-color: #c7d2fe; }
button.secondary:hover, .btn.secondary:hover { background: var(--indigo-soft); color: var(--indigo-dark); }
button.danger, .btn.danger { background: var(--err); border-color: #991b1b; }
button.small, .btn.small { padding: .3rem .55rem; font-size: .84rem; }
.actions { display: flex; gap: .5rem; flex-wrap: wrap; align-items: center; }

/* ---------- feedback ---------- */
.flash, .notice { padding: .7rem .9rem; border-radius: var(--radius); margin-bottom: 1rem; border: 1px solid; }
.flash.ok, .notice.ok { background: var(--ok-soft); border-color: #a7f3d0; color: var(--ok); }
.flash.err, .notice.err { background: var(--err-soft); border-color: #fecaca; color: var(--err); }
.flash.warn, .notice.warn { background: var(--warn-soft); border-color: #fde68a; color: var(--warn); }
.flash.info, .notice.info { background: var(--indigo-soft); border-color: #c7d2fe; color: var(--indigo-dark); }
.field-error { color: var(--err); font-size: .85rem; font-weight: 600; }

.badge {
  display: inline-block;
  padding: .1rem .5rem;
  border-radius: 999px;
  font-size: .76rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .03em;
  border: 1px solid;
  background: #f3f4f6;
  border-color: #d1d5db;
  color: #374151;
  white-space: nowrap;
}
.badge.ok { background: var(--ok-soft); border-color: #a7f3d0; color: var(--ok); }
.badge.warn { background: var(--warn-soft); border-color: #fde68a; color: var(--warn); }
.badge.err { background: var(--err-soft); border-color: #fecaca; color: var(--err); }
.badge.info { background: var(--indigo-soft); border-color: #c7d2fe; color: var(--indigo-dark); }
.badge.ai { background: #f5f3ff; border-color: #ddd6fe; color: #6d28d9; }

.muted { color: var(--muted); }
.small { font-size: .86rem; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .85em; }
.tag { display: inline-block; background: var(--indigo-soft); color: var(--indigo-dark); border-radius: 6px; padding: .05rem .4rem; font-size: .78rem; margin-right: .25rem; }
.empty { padding: 1.5rem; text-align: center; color: var(--muted); background: #fff; border: 1px dashed var(--line); border-radius: var(--radius); }

/* ---------- steps ---------- */
.steps { display: flex; gap: .5rem; flex-wrap: wrap; margin-bottom: 1.25rem; padding: 0; list-style: none; }
.steps li { padding: .35rem .7rem; border-radius: 999px; border: 1px solid var(--line); background: #fff; font-size: .86rem; color: var(--muted); }
.steps li.current { border-color: var(--indigo); background: var(--indigo-soft); color: var(--indigo-dark); font-weight: 700; }
.steps li.done { border-color: #a7f3d0; background: var(--ok-soft); color: var(--ok); }
.progress { height: 8px; background: var(--line); border-radius: 999px; overflow: hidden; }
.progress > span { display: block; height: 100%; background: var(--indigo); }

/* ---------- schedule grid ---------- */
.agenda { display: grid; gap: 2px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: auto; }
.agenda .cell { background: #fff; padding: .4rem .5rem; min-height: 2.2rem; font-size: .85rem; }
.agenda .head { background: #f3f4f6; font-weight: 700; position: sticky; top: 0; }
.agenda .time { background: #fafafa; color: var(--muted); font-variant-numeric: tabular-nums; white-space: nowrap; }
.session-block { background: var(--indigo-soft); border-left: 3px solid var(--indigo); border-radius: 6px; padding: .35rem .45rem; }
.session-block .t { font-weight: 600; display: block; }

/* ---------- public ---------- */
.hero { background: linear-gradient(135deg, var(--navy), var(--indigo)); color: #fff; padding: 2.5rem 1.25rem; }
.hero .inner { max-width: 1180px; margin: 0 auto; }
.hero h1 { color: #fff; font-size: 2.1rem; }
.hero p { color: #e0e7ff; margin-bottom: .35rem; }
.hero .btn { background: #fff; color: var(--indigo-dark); border-color: #fff; }

.session-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem; }
.session-card h3 { margin: 0 0 .35rem; }
.speaker-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem; text-align: center; }
.speaker-card img, .avatar { width: 84px; height: 84px; border-radius: 50%; object-fit: cover; background: var(--indigo-soft); }
.avatar.initials { display: inline-flex; align-items: center; justify-content: center; font-weight: 700; color: var(--indigo-dark); font-size: 1.4rem; }

details.disclosure { border: 1px solid var(--line); border-radius: var(--radius); background: #fff; padding: .6rem .9rem; margin-bottom: .75rem; }
details.disclosure > summary { cursor: pointer; font-weight: 600; }

.kv { display: grid; grid-template-columns: minmax(140px, max-content) 1fr; gap: .3rem .9rem; font-size: .92rem; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; }

.timeline { list-style: none; padding: 0; margin: 0; }
.timeline li { border-left: 2px solid var(--line); padding: 0 0 .9rem 1rem; margin-left: .4rem; position: relative; }
.timeline li::before { content: ""; position: absolute; left: -5px; top: .4rem; width: 8px; height: 8px; border-radius: 50%; background: var(--indigo); }

@media print { .topbar, .subnav, .actions { display: none; } }