/* Shapes calendar: shared styles for the admin screens and the public schedule */
:root {
  --bg: #f5f6f8;
  --panel: #ffffff;
  --ink: #1b2130;
  --muted: #5d6576;
  --line: #dde1e8;
  --accent: #2648c9;
  --accent-soft: #e7ecfb;
  --danger: #b4322b;
  --ok: #1f7a4d;
  --low: #1f7a4d;
  --med: #a86a00;
  --high: #b4322b;
  --on-accent: #ffffff;
  --display: "Barlow Condensed", "Arial Narrow", Arial, sans-serif;
  --body: "Source Sans 3", "Segoe UI", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, Menlo, Consolas, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #12151c; --panel: #1a1f29; --ink: #e6e9ef; --muted: #9aa3b4; --line: #2c3340;
    --accent: #7d97ff; --accent-soft: #232c4a; --danger: #ef7d74; --ok: #5fc794;
    --low: #5fc794; --med: #e2a94a; --high: #ef7d74; --on-accent: #0d1020; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #12151c; --panel: #1a1f29; --ink: #e6e9ef; --muted: #9aa3b4; --line: #2c3340;
  --accent: #7d97ff; --accent-soft: #232c4a; --danger: #ef7d74; --ok: #5fc794;
  --low: #5fc794; --med: #e2a94a; --high: #ef7d74; --on-accent: #0d1020; color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--bg); color: var(--ink); font-family: var(--body); font-size: 15px; line-height: 1.45; }
[hidden] { display: none !important; }
.wrap { max-width: 1200px; margin: 0 auto; padding-inline: 16px; padding-block: 20px 48px; }
header.top { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 8px 24px; margin-bottom: 16px; }
h1 { font-family: var(--display); font-size: 30px; letter-spacing: .02em; text-transform: uppercase; margin: 0; }
.note { color: var(--muted); font-size: 13px; margin: 0; }
nav.tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--line); margin-bottom: 20px; overflow-x: auto; }
nav.tabs button { font: 600 15px var(--body); background: none; border: 0; color: var(--muted); padding: 10px 12px; border-bottom: 3px solid transparent; cursor: pointer; white-space: nowrap; }
nav.tabs button[aria-selected="true"] { color: var(--ink); border-color: var(--accent); }
nav.tabs .sep { width: 1px; background: var(--line); margin: 8px 6px; flex: none; }
.grid2 { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: 20px; align-items: start; }
@media (max-width: 880px) { .grid2 { grid-template-columns: 1fr; } }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 20px; min-width: 0; }
h2 { font-family: var(--display); font-size: 21px; letter-spacing: .03em; text-transform: uppercase; margin: 0 0 14px; text-wrap: balance; }
h3 { font-size: 13px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin: 0 0 8px; }
form { display: grid; gap: 14px; }
.row { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; }
label { display: grid; gap: 4px; font-weight: 600; font-size: 14px; }
label small { font-weight: 400; color: var(--muted); }
input, textarea, select { font: 15px var(--body); color: var(--ink); background: var(--bg); border: 1px solid var(--line); border-radius: 6px; padding: 8px 10px; width: 100%; }
textarea { min-height: 76px; resize: vertical; }
input:focus-visible, textarea:focus-visible, select:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
fieldset { border: 1px solid var(--line); border-radius: 8px; padding: 12px 14px 14px; margin: 0; min-width: 0; }
legend { font-weight: 600; font-size: 14px; padding: 0 4px; }
.slots { display: grid; gap: 8px; }
.slot { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) auto; gap: 8px; align-items: center; }
.btn { font: 600 14px var(--body); border-radius: 6px; padding: 9px 14px; cursor: pointer; border: 1px solid var(--line); background: var(--panel); color: var(--ink); }
.btn:disabled { opacity: .6; cursor: progress; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.btn.ghost { background: none; border-color: transparent; color: var(--accent); padding-inline: 6px; }
.btn.danger { color: var(--danger); }
.btn.small { padding: 5px 10px; font-size: 13px; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.err { color: var(--danger); font-size: 14px; margin: 0; }
.ok { color: var(--ok); font-size: 14px; margin: 0; }
.count { font-family: var(--mono); font-size: 28px; color: var(--accent); line-height: 1; }
.datelist { list-style: none; margin: 12px 0 0; padding: 0; max-height: 300px; overflow-y: auto; border-top: 1px solid var(--line); font-variant-numeric: tabular-nums; }
.datelist li { display: flex; justify-content: space-between; gap: 12px; padding: 6px 2px; border-bottom: 1px solid var(--line); font-size: 14px; }
.datelist time { font-family: var(--mono); font-size: 13px; color: var(--muted); }
.typecard { background: var(--bg); border-radius: 8px; padding: 10px 12px; font-size: 14px; display: grid; gap: 4px; }
.typecard p { margin: 0; color: var(--muted); }
.list { display: grid; gap: 8px; }
.item { border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; display: grid; gap: 3px; min-width: 0; }
.item.editing { border-color: var(--accent); background: var(--accent-soft); }
.item .head { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 6px 8px; align-items: baseline; }
.item strong { font-size: 16px; }
.meta { color: var(--muted); font-size: 13px; overflow-wrap: anywhere; }
.chip { display: inline-block; font-family: var(--mono); font-size: 12px; background: var(--accent-soft); color: var(--ink); border-radius: 4px; padding: 1px 6px; margin: 2px 4px 0 0; }
.tag { display: inline-flex; align-items: center; gap: 5px; font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: .05em; }
.tag::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: currentColor; }
.i-All { color: var(--accent); } .i-Beginner { color: var(--low); } .i-Intermediate { color: var(--med); } .i-Advanced { color: var(--high); }
.weekbar { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.weekbar .range { font-family: var(--display); font-size: 22px; text-transform: uppercase; letter-spacing: .02em; }
.filters { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 14px; }
.filters label { min-width: 160px; flex: 1 1 160px; max-width: 280px; }
.week { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 8px; }
@media (max-width: 760px) { .week { grid-template-columns: 1fr; } .day { min-height: 0 !important; } }
.day { background: var(--bg); border-radius: 8px; padding: 8px; min-height: 160px; display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.day h4 { margin: 0 0 2px; font-size: 13px; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); display: flex; justify-content: space-between; }
.day h4 span { font-family: var(--mono); color: var(--ink); }
.day.today h4 span { color: var(--accent); }
.session { background: var(--panel); border: 1px solid var(--line); border-left: 3px solid var(--accent); border-radius: 6px; padding: 6px 8px; font-size: 13px; display: grid; gap: 1px; min-width: 0; }
.session time { font-family: var(--mono); font-size: 12px; color: var(--muted); }
.session b { font-size: 14px; }
.empty { color: var(--muted); font-size: 13px; }
pre { background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 12px; overflow-x: auto; font-family: var(--mono); font-size: 13px; margin: 0 0 12px; white-space: pre; }
ol.steps { padding-left: 20px; margin: 0 0 16px; display: grid; gap: 6px; max-width: 68ch; }
p { max-width: 68ch; }
.login { max-width: 400px; margin: 10vh auto 0; }
.banner { background: var(--accent-soft); border-radius: 8px; padding: 10px 14px; font-size: 14px; margin-bottom: 16px; }
.banner.bad { background: var(--panel); border: 1px solid var(--danger); color: var(--danger); }