:root{
  --bg:#FFFFFF;
  --bg2:#F7F7F7;
  --panel:#FAFAFA;
  --text:#2B2B2B;
  --text2:#6F6F6F;
  --muted:#9A9A9A;
  --border:#D6D6D6;
  --brand:#F25F5C;
  --brand2:#F7C948;
  --accent:#8FB339;
  --info:#4A90E2;
}

html,body{background:var(--bg);color:var(--text)}
body{min-width:0 !important}

a{color:var(--info)}
a:hover{text-decoration:underline}

/* header */
.site-header{position:sticky;top:0;z-index:1000;background:var(--panel);border-bottom:1px solid var(--border)}
.site-header .wrap{max-width:1100px;margin:0 auto;padding:.75rem 1rem;display:flex;gap:1rem;align-items:center}
.site-brand{display:flex;align-items:center;gap:.6rem;min-width:0}
.site-brand img{width:38px;height:38px}
.site-brand strong{font-size:1.05rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.site-nav{margin-left:auto;display:flex;flex-wrap:wrap;gap:.75rem;align-items:center}
.site-nav a{color:var(--text);text-decoration:none;font-weight:600}
.site-nav a:hover{color:var(--brand)}

/* notification button */
.notify-btn{position:relative;display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:999px;border:1px solid var(--border);background:#fff;text-decoration:none}
.notify-btn img{width:22px;height:22px;display:block}
.notify-badge{position:absolute;top:8px;right:8px;width:10px;height:10px;border-radius:999px;background:#ff2d2d;box-shadow:0 0 0 0 rgba(255,45,45,.6);animation:pulse 1.2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(255,45,45,.6)}70%{box-shadow:0 0 0 10px rgba(255,45,45,0)}100%{box-shadow:0 0 0 0 rgba(255,45,45,0)}}

/* layout */
main{max-width:1100px;margin:0 auto;padding:1rem}
.card{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:1rem}
.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:1rem}
.col-12{grid-column:span 12}
.col-8{grid-column:span 8}
.col-6{grid-column:span 6}
.col-4{grid-column:span 4}

@media (max-width: 900px){
  .col-8,.col-6,.col-4{grid-column:span 12}
  .site-nav{gap:.5rem}
}

.biglink{word-break:break-all;font-size:1.05rem}
.btn{display:inline-block;background:var(--brand);color:#fff;border-radius:10px;padding:.55rem .9rem;text-decoration:none;font-weight:700;border:0}
.btn:hover{background:#E55451;text-decoration:none}
.btn-secondary{background:var(--brand2);color:#1F1F1F}
.btn-secondary:hover{background:#E6BA3F}

.kbd{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;background:#fff;border:1px solid var(--border);border-radius:8px;padding:.1rem .4rem}
.note{border-left:5px solid var(--brand);background:#fff;padding:.8rem 1rem;border-radius:10px}
.warning{border-left:5px solid #ff2d2d;background:#fff;padding:.8rem 1rem;border-radius:10px}

.breadcrumbs{font-size:.95rem;color:var(--text2);margin:.25rem 0 1rem}
.breadcrumbs a{color:var(--text2)}

.table{width:100%;border-collapse:collapse}
.table th,.table td{padding:.6rem .55rem;border-bottom:1px solid var(--border);vertical-align:top}
.table th{background:var(--bg2);text-align:left}

.hero{padding:1.25rem}
.hero h1{margin:.2rem 0 .6rem 0;font-size:2rem}
.hero p{margin:.4rem 0 0 0;color:var(--text2)}

.footer{margin-top:2rem;border-top:1px solid var(--border);padding:1.25rem 0;color:var(--text2);font-size:.95rem}
.footer a{color:var(--text2)}

/* responsive iframe */
.video{position:relative;padding-bottom:56.25%;height:0;overflow:hidden;border-radius:12px;border:1px solid var(--border);background:#000}
.video iframe{position:absolute;top:0;left:0;width:100%;height:100%}