:root{
  --bg:#0f1420;
  --bg-panel:#161d2e;
  --bg-card:#1c2438;
  --border:#2a3550;
  --text:#e7ebf3;
  --text-dim:#9aa6c0;
  --accent:#ff9d3d;
  --accent2:#4dd0e1;
  --s-tier:#ff5f5f;
  --a-tier:#ffb84d;
  --b-tier:#7fd1ff;
  --c-tier:#8a94ab;
  --good:#5fd68a;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.55;
}
a{color:var(--accent2)}
.layout{display:flex;min-height:100vh}

/* Sidebar */
.sidebar{
  width:270px;
  flex-shrink:0;
  background:var(--bg-panel);
  border-right:1px solid var(--border);
  position:sticky;
  top:0;
  height:100vh;
  overflow-y:auto;
  padding:20px 14px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  padding:6px 8px 18px 8px;
  border-bottom:1px solid var(--border);
  margin-bottom:14px;
}
.brand-emoji{font-size:28px}
.brand h1{font-size:16px;margin:0;line-height:1.2}
.brand span{display:block;font-size:12px;color:var(--text-dim);font-weight:400}
.lang-switcher{
  display:flex;
  gap:6px;
  padding:0 8px 16px;
  margin-bottom:6px;
  border-bottom:1px solid var(--border);
}
.lang-switcher button{
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:8px;
  font-size:17px;
  line-height:1;
  padding:6px 8px;
  cursor:pointer;
  opacity:.55;
  transition:opacity .15s,border-color .15s;
}
.lang-switcher button:hover{opacity:.85}
.lang-switcher button.active{
  opacity:1;
  border-color:var(--accent);
}

.nav-group{margin-bottom:6px}
.nav-group-title{
  font-size:11px;
  text-transform:uppercase;
  letter-spacing:.06em;
  color:var(--text-dim);
  padding:14px 10px 6px;
}
.sidebar nav a{
  display:flex;
  align-items:center;
  gap:10px;
  padding:9px 10px;
  border-radius:8px;
  color:var(--text);
  text-decoration:none;
  font-size:14px;
  transition:background .15s;
}
.sidebar nav a:hover{background:var(--bg-card)}
.sidebar nav a.active{background:var(--bg-card);color:var(--accent)}
.meta-badge{
  margin-top:16px;
  padding:10px 12px;
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:10px;
  font-size:12px;
  color:var(--text-dim);
}
.meta-badge b{color:var(--text)}

/* Main content */
main{flex:1;min-width:0;padding:36px 40px 80px;max-width:980px}
.page-header{margin-bottom:34px}
.page-header h1{font-size:26px;margin:0 0 6px}
.page-header p{color:var(--text-dim);margin:0}

.day-block{
  border:1px solid var(--border);
  border-radius:12px;
  background:var(--bg-card);
  margin-bottom:10px;
  padding:2px 16px;
}
.day-block:last-of-type{margin-bottom:4px}
.day-block.is-today{
  border-color:rgba(255,157,61,.55);
  background:linear-gradient(160deg,var(--bg-card),rgba(255,157,61,.06));
}
.day-block summary{
  cursor:pointer;
  padding:14px 4px;
  font-weight:600;
  font-size:15px;
  list-style:none;
  display:flex;
  align-items:center;
  gap:10px;
}
.day-block summary::-webkit-details-marker{display:none}
.day-block summary::before{
  content:"▸";
  color:var(--text-dim);
  transition:transform .15s;
  font-size:12px;
}
.day-block[open] summary::before{transform:rotate(90deg)}
.day-tag{
  font-size:11px;font-weight:500;
  color:var(--text-dim);
  background:rgba(255,255,255,.06);
  padding:2px 8px;border-radius:99px;
}
.today-tag{
  display:none;
  font-size:11px;font-weight:700;
  color:var(--accent);
  background:rgba(255,157,61,.15);
  padding:2px 9px;border-radius:99px;
  text-transform:uppercase;letter-spacing:.03em;
}
.day-block.is-today .today-tag{display:inline-block}
.day-block > ul{
  margin:0 0 16px;
  padding-left:20px;
}
.day-block ul ul{margin:6px 0;padding-left:20px}
.day-block li{font-size:14px;margin:7px 0}
.day-block ol{margin:6px 0;padding-left:22px}
.day-block ol li{margin:4px 0}

.days-list.collapsed .day-block:not(.is-today){display:none}

.toggle-days-btn{
  display:block;
  margin:4px 0 0;
  background:none;
  border:none;
  color:var(--accent2);
  font-size:13px;
  cursor:pointer;
  padding:6px 2px;
  text-decoration:underline;
}
.toggle-days-btn:hover{color:var(--accent)}

section.card{
  background:var(--bg-panel);
  border:1px solid var(--border);
  border-radius:14px;
  padding:26px 28px;
  margin-bottom:26px;
  scroll-margin-top:20px;
}
section.card h2{
  font-size:20px;
  margin:0 0 6px;
  display:flex;
  align-items:center;
  gap:10px;
}
section.card h3{font-size:16px;margin:22px 0 8px;color:var(--text)}
section.card > p.lead{color:var(--text-dim);margin-top:0}
.callout{
  background:rgba(255,157,61,.08);
  border:1px solid rgba(255,157,61,.35);
  border-radius:10px;
  padding:12px 14px;
  margin:14px 0;
  font-size:14px;
}
.callout.info{background:rgba(77,208,225,.08);border-color:rgba(77,208,225,.35)}
.callout.warn{background:rgba(255,95,95,.08);border-color:rgba(255,95,95,.35)}

table{width:100%;border-collapse:collapse;margin:14px 0;font-size:14px}
th,td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--border);vertical-align:top}
th{color:var(--text-dim);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.04em}
tr:last-child td{border-bottom:none}

.pill{display:inline-block;padding:2px 9px;border-radius:99px;font-size:12px;font-weight:600}
.pill.s{background:rgba(255,95,95,.18);color:var(--s-tier)}
.pill.a{background:rgba(255,184,77,.18);color:var(--a-tier)}
.pill.b{background:rgba(127,209,255,.18);color:var(--b-tier)}
.pill.c{background:rgba(138,148,171,.18);color:var(--c-tier)}

.hero-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px;margin:14px 0}
.hero-card{
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:12px;
  padding:14px;
  text-align:center;
}
.hero-emoji{font-size:30px;display:block;margin-bottom:6px}
.hero-name{font-weight:600;font-size:14px}
.hero-role{font-size:12px;color:var(--text-dim);margin-top:2px}

.checklist{list-style:none;margin:14px 0;padding:0}
.checklist li{
  padding:8px 0 8px 30px;
  position:relative;
  border-bottom:1px dashed var(--border);
  font-size:14px;
}
.checklist li:last-child{border-bottom:none}
.checklist li::before{
  content:"✓";
  position:absolute;left:0;top:8px;
  color:var(--good);
  font-weight:700;
}
ol,ul{padding-left:22px}
ol li,ul li{margin:6px 0;font-size:14px}
code{background:var(--bg-card);border:1px solid var(--border);padding:1px 6px;border-radius:5px;font-size:13px}
footer{color:var(--text-dim);font-size:12px;padding:20px 40px;border-top:1px solid var(--border)}

.gear-figure{
  margin:16px 0;
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:12px;
  padding:14px;
  max-width:320px;
}
.gear-figure img{
  display:block;
  width:100%;
  border-radius:8px;
}
.gear-figure figcaption{
  font-size:12px;
  color:var(--text-dim);
  margin-top:8px;
}
.gear-figure figcaption a{color:var(--text-dim);text-decoration:underline}

.mobile-toggle{display:none}

@media (max-width:860px){
  .layout{flex-direction:column}
  main{padding:24px 18px 60px; order:1}
  .sidebar{
    position:relative;height:auto;width:100%;
    border-right:none;border-top:1px solid var(--border);
    order:2;
  }
}