/* Look of the templates (ink on white, hairlines, spaced uppercase labels) with one accent colour. */
:root {
  --ink: #111; --muted: #595959; --hairline: #d4d4d4; --tint: #f5f5f4; --paper: #fff;
  --accent: #c2410c; --accent-dark: #9a3412; --accent-tint: #fff4ed;
  --radius: .5rem; --rule: 1.2pt solid var(--ink); --line: 1px solid var(--hairline);
  --shadow: 0 1px 2px rgba(0, 0, 0, .06), 0 4px 16px rgba(0, 0, 0, .06);
  --ease: .18s ease;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; font: 16px/1.5 "Helvetica Neue", Helvetica, Arial, system-ui, sans-serif; color: var(--ink);
  background: var(--paper); }
a { color: inherit; text-underline-offset: .2em; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
main:focus { outline: none; }
.label { margin: 0; font-size: .72rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase;
  color: var(--muted); }

/* Header */
.site-header { position: sticky; top: 0; z-index: 10; display: flex; flex-wrap: wrap; gap: .25rem 1rem;
  align-items: center; justify-content: space-between; padding: .6rem 1rem; border-bottom: var(--rule);
  background: rgba(255, 255, 255, .94); backdrop-filter: blur(8px); }
.brand { display: inline-flex; gap: .5rem; align-items: center; font-weight: 700; font-size: .9rem;
  letter-spacing: .14em; text-decoration: none; }
.brand-mark { width: .7rem; height: .7rem; border-radius: 50%; background: var(--accent); }
nav { display: flex; gap: .25rem; align-items: center; }
nav a { padding: .5rem .6rem; border-radius: var(--radius); font-size: .9rem; text-decoration: none;
  transition: background var(--ease); }
nav a:hover { background: var(--tint); }
nav a[aria-current="page"] { box-shadow: inset 0 -2px 0 var(--accent); }

main { max-width: 68rem; margin: 0 auto; padding: 1.5rem 1rem 4rem; }
h1 { margin: .2rem 0 .5rem; font-size: clamp(1.7rem, 5vw, 2.6rem); line-height: 1.1; letter-spacing: -.01em; }
h2 { margin: 0; font-size: 1.1rem; line-height: 1.3; }
.page-head { padding-bottom: 1rem; margin-bottom: 1.25rem; border-bottom: var(--rule); }
.lead { max-width: 40rem; margin: .5rem 0 0; color: var(--muted); font-size: 1.05rem; }
.back { display: inline-block; margin-bottom: 1rem; color: var(--muted); font-size: .9rem; text-decoration: none; }
.back:hover { color: var(--accent-dark); }

/* Controls */
button, .button, select, input { font: inherit; font-size: .95rem; color: var(--ink); background: var(--paper);
  border: 1px solid var(--ink); border-radius: var(--radius); padding: .5rem .85rem; min-height: 2.75rem; }
button, .button { display: inline-flex; align-items: center; justify-content: center; gap: .35rem; cursor: pointer;
  font-weight: 600; text-decoration: none; transition: background var(--ease), color var(--ease),
  border-color var(--ease); }
button:hover, .button:hover { background: var(--ink); color: var(--paper); }
button:disabled { opacity: .35; cursor: default; }
button:disabled:hover { background: var(--paper); color: var(--ink); }
.primary, .add { background: var(--accent); border-color: var(--accent); color: #fff; }
.primary:hover, .add:hover { background: var(--accent-dark); border-color: var(--accent-dark); color: #fff; }
.add.done { background: var(--ink); border-color: var(--ink); }
input:focus-visible, select:focus-visible { outline-offset: 0; }
.lang { min-width: 2.75rem; padding: .4rem .6rem; letter-spacing: .08em; }

.status { display: flex; flex-wrap: wrap; gap: .25rem .75rem; align-items: center; margin: 0 0 1.25rem;
  font-size: .9rem; color: var(--muted); }
.status a { color: var(--accent-dark); font-weight: 600; }
.draft { display: inline-block; margin: .4rem 0 0; padding: .1rem .5rem; border: 1px dashed var(--muted);
  border-radius: 999px; font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }

/* Home tiles */
.tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(10.5rem, 1fr)); gap: .75rem; }
.tile { display: flex; flex-direction: column; gap: .35rem; min-height: 7.5rem; padding: 1rem;
  border: var(--line); border-top: var(--rule); border-radius: 0 0 var(--radius) var(--radius); text-decoration: none;
  transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease); }
.tile strong { flex: 1; font-size: 1.05rem; }
.tile-no { font-size: .8rem; font-weight: 700; color: var(--accent); letter-spacing: .08em; }
.tile:hover { transform: translateY(-2px); box-shadow: var(--shadow); border-top-color: var(--accent); }
.tile.empty { color: var(--muted); border-top-color: var(--hairline); }
.tile.empty .tile-no { color: var(--muted); }

/* Filters */
.filters { display: grid; gap: .75rem; margin-bottom: 1rem; padding: 1rem; background: var(--tint);
  border-radius: var(--radius); }
.filters label { display: flex; flex-direction: column; gap: .3rem; }
.filters input { width: 100%; }
.more summary { cursor: pointer; font-weight: 600; padding: .25rem 0; list-style-position: inside; }
.more[open] summary { margin-bottom: .5rem; }
.chips { display: flex; flex-wrap: wrap; gap: .4rem; margin: 0 0 .75rem; padding: 0; border: 0; }
.chips legend { width: 100%; margin-bottom: .4rem; padding: 0; }
.chip { min-height: 2.5rem; padding: .35rem .9rem; border-color: var(--hairline); border-radius: 999px;
  font-weight: 500; }
.chip:hover { background: var(--paper); color: var(--ink); border-color: var(--ink); }
.chip[aria-pressed="true"] { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.fields { display: grid; grid-template-columns: repeat(auto-fill, minmax(10rem, 1fr)); gap: .75rem; }
.count { margin-bottom: .75rem; }

/* Cards and tags */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(17rem, 1fr)); gap: 1rem; }
.card { position: relative; display: flex; flex-direction: column; align-items: flex-start; gap: .5rem;
  padding: 1rem; border: var(--line); border-top: var(--rule); border-radius: 0 0 var(--radius) var(--radius);
  transition: box-shadow var(--ease), border-color var(--ease); }
.card h2 a { text-decoration: none; }
.card h2 a::after { content: ""; position: absolute; inset: 0; }
.card:hover { box-shadow: var(--shadow); border-top-color: var(--accent); }
.card:hover h2 a { text-decoration: underline; }
.card .draft { margin: 0; }
.card .add { position: relative; margin-top: auto; }
.tags { display: flex; flex-wrap: wrap; gap: .35rem; margin: 0; padding: 0; list-style: none; }
.tags li { padding: .15rem .55rem; border-radius: 999px; background: var(--tint); font-size: .8rem; color: #333; }
.page-head .tags { margin-top: .75rem; }

.empty-state { display: flex; flex-direction: column; align-items: center; gap: .75rem; padding: 3rem 1rem;
  border: 1px dashed var(--hairline); border-radius: var(--radius); text-align: center; color: var(--muted);
  grid-column: 1 / -1; }
.empty-state p { max-width: 28rem; margin: 0; }
.empty-mark { width: 2.5rem; height: 2.5rem; border: 2px solid var(--hairline); border-radius: 50%;
  box-shadow: inset 0 0 0 .6rem var(--paper), inset 0 0 0 2rem var(--accent-tint); }

/* Exercise detail */
.detail-actions { display: flex; flex-wrap: wrap; gap: .75rem 1rem; align-items: center; margin-bottom: 1.5rem; }
.detail-actions .status { margin: 0; }
.parts { display: grid; gap: 0 2.5rem; }
.part { padding: 1rem 0 1.25rem; border-top: var(--line); break-inside: avoid; }
.part .label { margin-bottom: .6rem; color: var(--accent-dark); }
.part ol, .part ul { margin: 0; padding-left: 1.3rem; }
.part li + li { margin-top: .4rem; }
.part p { margin: 0; }
.part dl { margin: 0; }
.part dt { font-weight: 700; }
.part dd { margin: 0 0 .5rem; }

/* Block builder */
.toolbar { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; margin-bottom: 1.25rem; }
.toolbar select { flex: 1 1 12rem; max-width: 20rem; }
.items { margin: 0; padding: 0; list-style: none; border-top: var(--rule); }
.item { display: grid; grid-template-columns: 2.25rem 1fr; gap: .5rem .75rem; align-items: center;
  padding: .75rem 0; border-bottom: var(--line); }
.item-no { font-weight: 700; color: var(--accent); font-variant-numeric: tabular-nums; }
.name { display: flex; flex-direction: column; align-items: flex-start; font-weight: 600; }
.name a { text-decoration: none; }
.name a:hover { text-decoration: underline; }
.minutes { display: flex; gap: .4rem; align-items: center; grid-column: 2; color: var(--muted); }
.minutes input { width: 4.5rem; text-align: right; }
.actions { display: flex; gap: .35rem; grid-column: 2; }
.icon { width: 2.75rem; padding: 0; font-size: 1.05rem; }
.total { position: sticky; bottom: 0; display: flex; gap: .5rem 1rem; align-items: baseline; margin: 1.25rem 0 0;
  padding: .85rem 1rem; border-top: var(--rule); background: var(--paper); box-shadow: 0 -6px 16px rgba(0, 0, 0, .05); }
.total strong { font-size: 1.5rem; font-variant-numeric: tabular-nums; }
.total span:last-child { margin-left: auto; color: var(--muted); }

@media (min-width: 40rem) {
  main { padding: 2rem 1.5rem 4rem; }
  .item { grid-template-columns: 2.5rem 1fr auto auto; }
  .minutes, .actions { grid-column: auto; }
}
@media (min-width: 56rem) {
  .parts { grid-template-columns: 1fr 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
  .tile:hover { transform: none; }
}

/* Print sheet in the style of the session plan template */
.print-only { display: none; }
@page { size: A4; margin: 16mm 18mm; }
@media print {
  .no-print { display: none !important; }
  .print-only { display: block; }
  body { font-size: 10pt; line-height: 1.4; }
  main { max-width: none; padding: 0; }
  a { text-decoration: none; }
  .tags li { padding: 0; background: none; color: var(--muted); }
  .tags li + li::before { content: "· "; }
  .page-head, .part, .card { break-inside: avoid; }
  .parts { grid-template-columns: 1fr 1fr; }
  .sheet-head { padding-bottom: 3mm; border-bottom: var(--rule); }
  .sheet-head h1 { margin: 1mm 0 0; font-size: 22pt; }
  .sheet-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 6mm; margin: 5mm 0 6mm; }
  .field { display: flex; gap: 3mm; align-items: baseline; padding-bottom: 1.5mm; border-bottom: .5pt solid var(--ink); }
  .field .value { font-weight: 700; }
  .plan { width: 100%; margin-bottom: 8mm; border-collapse: collapse; }
  .plan th { padding: 1.5mm 2mm; border-bottom: var(--rule); font-size: 6.5pt; letter-spacing: .12em;
    text-align: left; text-transform: uppercase; color: var(--muted); }
  .plan td { padding: 2mm; border-bottom: .5pt solid var(--hairline); }
  .plan .num { width: 1%; white-space: nowrap; text-align: right; font-variant-numeric: tabular-nums; }
  .sheet-item { padding-top: 3mm; margin-top: 4mm; border-top: var(--rule); break-inside: avoid; }
  .sheet-item h2 { display: flex; justify-content: space-between; gap: 4mm; font-size: 12pt; }
  .sheet-item .tags { margin: 1mm 0 2mm; }
  .sheet-item .part { padding: 2mm 0; border-top: .5pt solid var(--hairline); }
  .sheet-item .part .label { margin-bottom: 1mm; font-size: 6.5pt; color: var(--muted); }
  .sheet-foot { margin-top: 8mm; font-size: 6.5pt; }
}