/* Light, modern, CWV-friendly CSS (system fonts, no dependencies) */

/* Base tokens */
:root{
  --bg: #ffffff;
  --fg: #0b1220;
  --muted: #5b6476;
  --card: #f6f7fb;
  --border: rgba(15, 23, 42, .12);
  --accent: #2563eb;
  --accent-2: #10b981;
  --shadow: 0 10px 30px rgba(2, 6, 23, .08);

  color-scheme: light;
}

:root.theme-dark{
  --bg: #0b1020;
  --fg: #e9eefb;
  --muted: #a7b0c6;
  --card: rgba(255,255,255,.06);
  --border: rgba(255,255,255,.14);
  --accent: #60a5fa;
  --accent-2: #34d399;
  --shadow: 0 12px 40px rgba(0,0,0,.45);

  color-scheme: dark;
}

@media (prefers-color-scheme: dark){
  :root:not(.theme-light):not(.theme-dark){
    --bg: #0b1020;
    --fg: #e9eefb;
    --muted: #a7b0c6;
    --card: rgba(255,255,255,.06);
    --border: rgba(255,255,255,.14);
    --accent: #60a5fa;
    --accent-2: #34d399;
    --shadow: 0 12px 40px rgba(0,0,0,.45);

    color-scheme: dark;
  }
}

*{ box-sizing: border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  font-size: 16px;
  line-height: 1.6;
  letter-spacing: .1px;
  background: var(--bg);
  color: var(--fg);
  text-rendering: optimizeLegibility;
}

a{ color: var(--accent); text-decoration: none; }
a:hover{ text-decoration: underline; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline: 3px solid rgba(37, 99, 235, .35);
  outline-offset: 2px;
  border-radius: 10px;
}

.skip-link{
  position:absolute; left:-999px; top:auto; width:1px; height:1px; overflow:hidden;
}
.skip-link:focus{
  left: 16px; top: 12px; width:auto; height:auto; padding: 10px 12px;
  background: var(--card); border: 1px solid var(--border); border-radius: 12px;
  box-shadow: var(--shadow);
  z-index: 9999;
}

.container{
  width: min(1100px, calc(100% - 32px));
  margin: 0 auto;
}

.header{
  position: sticky;
  top: 0;
  backdrop-filter: blur(10px);
  background: color-mix(in srgb, var(--bg) 75%, transparent);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 14px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight: 800;
  letter-spacing: .2px;
  color: var(--fg);
}
.brand-badge{
  width: 34px;
  height: 34px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: var(--shadow);
}
.nav{
  display:flex;
  flex-wrap: wrap;
  align-items:center;
  gap: 12px;
}
.nav a{
  color: var(--fg);
  font-weight: 600;
  padding: 8px 10px;
  border-radius: 12px;
}
.nav a[aria-current="page"]{
  background: var(--card);
  border: 1px solid var(--border);
}
.nav a:hover{
  background: color-mix(in srgb, var(--card) 70%, transparent);
  text-decoration:none;
}

.icon-btn{
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--fg);
  border-radius: 12px;
  padding: 8px 10px;
  cursor: pointer;
  display:flex;
  align-items:center;
  gap:8px;
  font-weight: 700;
}
.icon-btn:hover{ filter: brightness(1.02); }
.icon-btn svg{ width: 18px; height: 18px; }

.main{
  padding: 22px 0 44px;
}

.hero{
  border: 1px solid var(--border);
  background: linear-gradient(180deg, color-mix(in srgb, var(--card) 80%, transparent), color-mix(in srgb, var(--card) 55%, transparent));
  border-radius: 22px;
  padding: 22px;
  box-shadow: var(--shadow);
}
.hero h1{ margin: 0 0 6px; font-size: clamp(22px, 4vw, 34px); line-height: 1.2; }
.hero p{ margin: 0; color: var(--muted); }

.card{
  border: 1px solid var(--border);
  background: var(--card);
  border-radius: 18px;
  padding: 18px;
}
.grid{
  display:grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 16px;
}
.col-8{ grid-column: span 8; }
.col-4{ grid-column: span 4; }
@media (max-width: 900px){
  .col-8,.col-4{ grid-column: span 12; }
}

.breadcrumbs{
  margin: 0 0 14px;
}
.breadcrumbs ol{
  list-style:none;
  padding:0;
  margin:0;
  display:flex;
  flex-wrap:wrap;
  gap: 8px;
  align-items:center;
  color: var(--muted);
  font-weight: 600;
}
.breadcrumbs li{
  display:flex;
  align-items:center;
  gap: 8px;
}
.breadcrumbs li + li:before{
  content: "›";
  color: color-mix(in srgb, var(--muted) 80%, transparent);
}
.breadcrumbs a{
  color: var(--muted);
}
.breadcrumbs a:hover{ color: var(--fg); text-decoration:none; }

.pagination{
  margin-top: 18px;
}
.pagination ul{
  list-style:none;
  padding:0;
  margin:0;
  display:flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items:center;
}
.pg-btn, .pg-num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width: 40px;
  height: 40px;
  padding: 0 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--fg);
  font-weight: 800;
  text-decoration:none;
}
.pg-num.is-active{
  background: color-mix(in srgb, var(--accent) 16%, var(--card));
  border-color: color-mix(in srgb, var(--accent) 35%, var(--border));
}
.pg-btn.is-disabled{
  opacity: .5;
  pointer-events: none;
}
.pg-ellipsis{
  display:inline-flex;
  height: 40px;
  align-items:center;
  padding: 0 8px;
  color: var(--muted);
}

.footer{
  border-top: 1px solid var(--border);
  padding: 24px 0;
  color: var(--muted);
}
.footer a{ color: var(--muted); }
.footer a:hover{ color: var(--fg); text-decoration:none; }

.form{
  display:grid;
  gap: 12px;
}
.input, .textarea{
  width:100%;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--card) 70%, transparent);
  color: var(--fg);
  border-radius: 14px;
  padding: 12px 12px;
  font-size: 16px;
}
.textarea{ min-height: 120px; resize: vertical; }
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border: 1px solid color-mix(in srgb, var(--accent) 45%, var(--border));
  background: color-mix(in srgb, var(--accent) 16%, var(--card));
  color: var(--fg);
  border-radius: 14px;
  padding: 12px 14px;
  font-weight: 900;
  cursor: pointer;
}
.btn:hover{ filter: brightness(1.03); }

.kbd{
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 13px;
  border: 1px solid var(--border);
  border-bottom-width: 2px;
  background: color-mix(in srgb, var(--card) 75%, transparent);
  padding: 2px 8px;
  border-radius: 10px;
  color: var(--muted);
}