:root{
  --bg: #F7F8FA;
  --surface: #FFFFFF;
  --surface2: #F1F5F9;
  --border: #E5E7EB;
  --text: #111827;
  --muted: #6B7280;
  --primary: #2563EB;
  --primary2: #1D4ED8;
  --danger: #DC2626;
  --shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
}

html[data-theme="dark"]{
  --bg: #0B1220;
  --surface: #0F1B33;
  --surface2: #111A2E;
  --border: rgba(148,163,184,.18);
  --text: #E5E7EB;
  --muted: #9CA3AF;
  --primary: #3B82F6;
  --primary2: #2563EB;
  --danger: #EF4444;
  --shadow: 0 18px 50px rgba(0,0,0,0.35);
}

*{box-sizing:border-box}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  background: var(--bg);
  color: var(--text);
}

.container{max-width:1200px;margin:0 auto;padding:0 16px}
.row{display:flex;align-items:center}
.grid{display:grid}

.topbar{position:sticky;top:0;background:rgba(255,255,255,0.7);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--border);z-index:20}
html[data-theme="dark"] .topbar{background:rgba(11,18,32,0.65)}
.brand{display:flex;gap:10px;align-items:center;color:inherit;text-decoration:none;font-weight:700;padding:12px 0}
.dot{width:10px;height:10px;border-radius:999px;background:var(--primary);box-shadow:0 0 0 6px rgba(37,99,235,0.15)}
html[data-theme="dark"] .dot{box-shadow:0 0 0 6px rgba(59,130,246,0.18)}

.card{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:16px;box-shadow:var(--shadow)}
.h1{font-size:24px;font-weight:800;letter-spacing:-0.02em}
.h2{font-size:18px;font-weight:800}
.muted{color:var(--muted);font-size:14px;line-height:1.5}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:10px;padding:10px 12px;border:1px solid transparent;background:var(--primary);color:white;text-decoration:none;font-weight:700;cursor:pointer;transition:all .15s ease;user-select:none}
.btn:hover{background:var(--primary2);transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn:disabled{opacity:.6;cursor:not-allowed;transform:none}
.btn-ghost{background:transparent;border-color:var(--border);color:var(--text)}
.btn-ghost:hover{background:var(--surface2);transform:none}
.btn-danger{background:var(--danger)}
.btn-danger:hover{filter:brightness(0.95)}

.field label{display:block;font-size:13px;color:var(--muted);margin:0 0 6px 2px}
.field input,.field textarea, .field select{
  width:100%;
  padding:10px 12px;
  border-radius:10px;
  border:1px solid var(--border);
  background:var(--surface);
  color:var(--text);
  outline:none;
}
.field textarea{min-height:220px;resize:vertical;line-height:1.5}
.field input:focus,.field textarea:focus{border-color:rgba(37,99,235,0.7);box-shadow:0 0 0 4px rgba(37,99,235,0.12)}
html[data-theme="dark"] .field input:focus, html[data-theme="dark"] .field textarea:focus{box-shadow:0 0 0 4px rgba(59,130,246,0.14)}

.list{display:flex;flex-direction:column;gap:10px;margin-top:12px}
.list-item{display:flex;justify-content:space-between;gap:12px;align-items:center;padding:10px 12px;border:1px solid var(--border);border-radius:12px;background:var(--surface2)}
.badge{font-size:12px;font-weight:800;padding:6px 10px;border-radius:999px}
.badge-ok{background:rgba(34,197,94,0.15);color:rgb(22,163,74);border:1px solid rgba(34,197,94,0.35)}
.badge-bad{background:rgba(239,68,68,0.14);color:rgb(220,38,38);border:1px solid rgba(239,68,68,0.35)}

.alert{border-radius:12px;padding:10px 12px;border:1px solid var(--border);margin-bottom:12px}
.alert-ok{background:rgba(34,197,94,0.12);border-color:rgba(34,197,94,0.3)}
.alert-bad{background:rgba(239,68,68,0.12);border-color:rgba(239,68,68,0.3)}
.alert-warn{background:rgba(245,158,11,0.14);border-color:rgba(245,158,11,0.32)}

.toast{position:fixed;left:50%;bottom:18px;transform:translateX(-50%);background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:999px;padding:10px 14px;font-weight:700;z-index:50;max-width:92vw;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

.hero-box{border-radius:16px;border:1px solid var(--border);background:linear-gradient(135deg, rgba(37,99,235,0.12), rgba(99,102,241,0.08));padding:16px}
html[data-theme="dark"] .hero-box{background:linear-gradient(135deg, rgba(59,130,246,0.18), rgba(99,102,241,0.10))}
.hero-title{font-weight:900;font-size:14px;color:var(--text)}
.hero-line{height:10px;border-radius:999px;background:rgba(148,163,184,0.35);margin-top:10px}
html[data-theme="dark"] .hero-line{background:rgba(148,163,184,0.22)}

.feature{padding:12px;border:1px solid var(--border);border-radius:14px;background:var(--surface2)}
.feature-title{font-weight:900;margin-bottom:6px}

.nav{display:flex;flex-direction:column;gap:6px}
.nav-item{display:flex;align-items:center;gap:10px;padding:10px 10px;border-radius:12px;border:1px solid var(--border);background:var(--surface);color:inherit;text-decoration:none;font-weight:800;transition:background .15s ease}
.nav-item:hover{background:var(--surface2)}
.nav-btn{cursor:pointer}

.note-card{display:block;text-decoration:none;color:inherit;border-radius:14px;border:1px solid var(--border);background:var(--surface);padding:14px;box-shadow:var(--shadow);transition:transform .15s ease, background .15s ease}
.note-card:hover{transform:translateY(-2px);background:var(--surface2)}
.note-title{font-weight:900;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.note-meta{margin-top:6px;font-size:12px;color:var(--muted)}
.note-snippet{margin-top:10px;color:var(--muted);font-size:13px;line-height:1.5;max-height:3em;overflow:hidden}

.table{width:100%;border-collapse:collapse;min-width:760px}
.table th,.table td{padding:10px 10px;border-bottom:1px solid var(--border);text-align:left;font-size:13px;white-space:nowrap}
.table th{font-size:12px;color:var(--muted);font-weight:900}
.table tr:hover td{background:var(--surface2)}

.pill{display:inline-flex;align-items:center;border-radius:999px;padding:6px 10px;font-weight:900;font-size:12px;border:1px solid var(--border)}
.pill-ok{background:rgba(34,197,94,0.12);border-color:rgba(34,197,94,0.3);color:rgb(22,163,74)}
.pill-bad{background:rgba(239,68,68,0.12);border-color:rgba(239,68,68,0.3);color:rgb(220,38,38)}

.link{color:var(--primary);text-decoration:none;font-weight:800}
.link:hover{text-decoration:underline}

.code{font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;font-size:12px;padding:12px;border:1px solid var(--border);border-radius:12px;background:var(--surface2)}

@media (max-width: 1024px){
  .feature{grid-column: span 12 !important}
}

.show-md{display:none}
.hide-md{display:block}

@media (max-width: 1024px){
  .hide-md{display:none}
  .show-md{display:block}
  .note-card{grid-column: span 12 !important}
}