:root{
  --bg:#ffffff;
  --fg:#111827;
  --muted:#6b7280;
  --card:#f9fafb;
  --border:#e5e7eb;
  --focus:#2563eb;
  --link:#1d4ed8;
  --danger:#b91c1c;
  --ok:#065f46;
  --radius:16px;
  --maxw: 980px;
  --font: system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", sans-serif;
}

*{box-sizing:border-box}
html{color-scheme: light;}
body{
  margin:0;
  font-family:var(--font);
  background:var(--bg);
  color:var(--fg);
  line-height:1.5;
}

a{color:var(--link); text-decoration-thickness:2px; text-underline-offset:3px;}
a:hover{text-decoration:underline;}

.container{
  width: min(var(--maxw), calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0;
}

.skip-link{
  position:absolute;
  left:-9999px;
  top:auto;
  width:1px;height:1px;
  overflow:hidden;
}
.skip-link:focus{
  left:16px;
  top:16px;
  width:auto;height:auto;
  background:#fff;
  border:2px solid var(--focus);
  padding:10px 12px;
  border-radius:12px;
  z-index:9999;
}

.header{
  border-bottom:1px solid var(--border);
  background: #fff;
  position: sticky;
  top: 0;
  z-index: 50;
}
.header .row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 12px;
  padding: 14px 0;
}
.brand{
  display:flex;
  gap:10px;
  align-items:center;
}
.brand .logo{
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: var(--card);
  border: 1px solid var(--border);
  display:grid;
  place-items:center;
  font-weight:700;
}
.brand .title{
  font-weight:800;
  letter-spacing:-0.02em;
}
.nav a{
  display:inline-block;
  padding:10px 12px;
  border-radius: 12px;
  text-decoration:none;
}
.nav a:focus-visible, .nav a:hover{
  outline: 3px solid transparent;
  background: var(--card);
}

.btn{
  appearance:none;
  border:1px solid var(--border);
  background:#fff;
  color:var(--fg);
  padding: 10px 14px;
  border-radius: 14px;
  font-weight: 650;
  cursor:pointer;
}
.btn.primary{
  background: var(--fg);
  color: #fff;
  border-color: var(--fg);
}
.btn:disabled{
  opacity:.55;
  cursor:not-allowed;
}
.btn:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible{
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

.grid{
  display:grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
@media(min-width: 860px){
  .grid.two{grid-template-columns: 1fr 1fr;}
  .grid.three{grid-template-columns: 1fr 1fr 1fr;}
}

.card{
  background: var(--card);
  border:1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}

.h1{font-size: clamp(26px, 3vw, 36px); margin: 8px 0 4px;}
.h2{font-size: 20px; margin: 0 0 10px;}
.p{color: var(--muted); margin:0 0 12px;}

.label{font-weight:700; font-size: 14px; display:block; margin: 0 0 6px;}
.help{font-size: 13px; color: var(--muted); margin-top: 6px;}
.input, select, textarea{
  width:100%;
  border:1px solid var(--border);
  border-radius: 14px;
  padding: 10px 12px;
  background:#fff;
  font-size: 16px;
}

.row-actions{
  display:flex;
  gap:10px;
  flex-wrap: wrap;
  align-items:center;
  justify-content:flex-end;
}

.badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  border: 1px solid var(--border);
  background:#fff;
  padding: 8px 10px;
  border-radius: 999px;
  font-size: 14px;
}

.alert{
  border-radius: var(--radius);
  padding: 12px 14px;
  border: 1px solid var(--border);
  background: #fff;
}
.alert.danger{border-color: #fecaca; background:#fef2f2; color: var(--danger);}
.alert.ok{border-color:#bbf7d0; background:#f0fdf4; color: var(--ok);}

hr{border:none;border-top:1px solid var(--border); margin: 14px 0;}

.steps{
  display:flex;
  gap:8px;
  flex-wrap:wrap;
}
.step{
  padding: 8px 10px;
  border-radius: 999px;
  border:1px solid var(--border);
  background:#fff;
  font-size: 14px;
}
.step.active{
  border-color: var(--fg);
  font-weight: 750;
}

.table{
  width:100%;
  border-collapse: collapse;
  background:#fff;
  border:1px solid var(--border);
  border-radius: var(--radius);
  overflow:hidden;
}
.table th, .table td{
  text-align:left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}
.table th{background: #f3f4f6;}
.table tr:last-child td{border-bottom:none;}

.a11y-widget{
  position: fixed;
  right: 14px;
  bottom: 14px;
  z-index: 100;
}
.a11y-panel{
  width: min(360px, calc(100vw - 28px));
  border: 1px solid var(--border);
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 10px 30px rgba(0,0,0,.12);
  padding: 12px;
  display:none;
}
.a11y-panel.open{display:block;}
.a11y-panel .grid{gap:10px;}
.a11y-btn{
  border-radius: 14px;
  width: 56px;
  height: 56px;
  display:grid;
  place-items:center;
  border:1px solid var(--border);
  background:#fff;
  cursor:pointer;
  font-size: 20px;
}
.a11y-btn:focus-visible{outline: 3px solid var(--focus); outline-offset: 2px;}

body.a11y-contrast{
  --bg:#0b0f19;
  --fg:#ffffff;
  --muted:#cbd5e1;
  --card:#0f172a;
  --border:#334155;
  --link:#93c5fd;
}
body.a11y-bigtext{font-size: 18px;}
body.a11y-underline a{ text-decoration: underline; }