:root{
  --bg:#0b1020;
  --card:#111a33;
  --card2:#0f1730;
  --text:#e8eeff;
  --muted:#aab6e6;
  --brand:#7c5cff;
  --brand2:#28d7c7;
  --danger:#ff4d6d;
  --ok:#35d07f;
  --border: rgba(255,255,255,.10);
  --shadow: 0 18px 40px rgba(0,0,0,.35);
  --radius: 18px;
  --radius2: 14px;
  --max: 1100px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji";
  background:
    radial-gradient(1200px 600px at 15% 10%, rgba(124,92,255,.35), transparent 55%),
    radial-gradient(900px 500px at 85% 25%, rgba(40,215,199,.25), transparent 55%),
    radial-gradient(900px 600px at 50% 95%, rgba(255,77,109,.15), transparent 55%),
    var(--bg);
  color:var(--text);
}

a{color:inherit; text-decoration:none}
.container{
  width: min(var(--max), 92vw);
  margin: 0 auto;
  padding: 22px 0 56px;
}

.header{
  display:flex;
  gap:14px;
  align-items:center;
  justify-content:space-between;
  padding: 16px 0 10px;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
}
.logo{
  width:44px;height:44px;
  border-radius: 14px;
  background:
    radial-gradient(circle at 30% 30%, rgba(255,255,255,.30), transparent 40%),
    linear-gradient(135deg, var(--brand), var(--brand2));
  box-shadow: 0 10px 30px rgba(124,92,255,.25);
}
.brand h1{
  font-size: 16px;
  line-height: 1.1;
  margin:0;
  letter-spacing:.2px;
}
.brand small{
  display:block;
  margin-top:3px;
  color:var(--muted);
  font-size: 12px;
}

.nav{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}
.nav a{
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255,255,255,.04);
  transition: transform .08s ease, background .2s ease, border-color .2s ease;
  font-size: 14px;
}
.nav a:hover{
  background: rgba(255,255,255,.08);
  border-color: rgba(255,255,255,.18);
  transform: translateY(-1px);
}
.nav a.active{
  background: linear-gradient(135deg, rgba(124,92,255,.35), rgba(40,215,199,.22));
  border-color: rgba(124,92,255,.55);
}

.hero{
  margin-top: 14px;
  padding: 22px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.02));
  box-shadow: var(--shadow);
}
.hero h2{
  margin:0 0 6px;
  font-size: 28px;
  letter-spacing:.2px;
}
.hero p{
  margin:0;
  color:var(--muted);
  max-width: 70ch;
  line-height: 1.5;
}

.grid{
  margin-top: 18px;
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap:16px;
}
@media (max-width: 980px){
  .grid{grid-template-columns: 1fr}
}

.card{
  border:1px solid var(--border);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(17,26,51,.88), rgba(15,23,48,.88));
  box-shadow: var(--shadow);
  padding: 18px;
}
.card h3{
  margin:0 0 10px;
  font-size: 18px;
}
.card p{margin: 0 0 10px; color: var(--muted); line-height: 1.5}

.kpis{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:10px;
}
@media (max-width: 720px){
  .kpis{grid-template-columns: 1fr}
}
.kpi{
  padding: 12px;
  border-radius: var(--radius2);
  border:1px solid var(--border);
  background: rgba(255,255,255,.03);
}
.kpi .label{color:var(--muted); font-size:12px}
.kpi .value{font-size: 20px; margin-top: 3px; font-family: var(--mono)}

.form{
  display:grid;
  gap:10px;
  margin-top: 10px;
}
.field{
  display:grid;
  gap:6px;
}
label{font-size: 13px; color:var(--muted)}
input, select, textarea{
  width:100%;
  padding: 12px 12px;
  border-radius: 12px;
  border:1px solid rgba(255,255,255,.14);
  background: rgba(0,0,0,.20);
  color: var(--text);
  outline:none;
}
input:focus, select:focus, textarea:focus{
  border-color: rgba(124,92,255,.7);
  box-shadow: 0 0 0 4px rgba(124,92,255,.15);
}

.row{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  align-items:center;
  margin-top: 8px;
}
.btn{
  cursor:pointer;
  border:1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.06);
  color: var(--text);
  padding: 10px 14px;
  border-radius: 12px;
  transition: transform .08s ease, background .2s ease, border-color .2s ease;
  font-weight: 600;
}
.btn:hover{
  background: rgba(255,255,255,.10);
  border-color: rgba(255,255,255,.22);
  transform: translateY(-1px);
}
.btn.primary{
  border-color: rgba(124,92,255,.55);
  background: linear-gradient(135deg, rgba(124,92,255,.75), rgba(40,215,199,.40));
}
.btn.danger{
  border-color: rgba(255,77,109,.55);
  background: rgba(255,77,109,.12);
}

.badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding: 8px 10px;
  border-radius: 999px;
  border:1px solid var(--border);
  background: rgba(255,255,255,.04);
  color: var(--muted);
  font-size: 13px;
}

.notice{
  margin-top: 10px;
  padding: 10px 12px;
  border-radius: 12px;
  border:1px solid var(--border);
  background: rgba(255,255,255,.03);
  color: var(--muted);
  line-height: 1.45;
}
.notice.ok{border-color: rgba(53,208,127,.45); color: rgba(232,238,255,.92)}
.notice.err{border-color: rgba(255,77,109,.45); color: rgba(232,238,255,.92)}

.table{
  width:100%;
  border-collapse: collapse;
  overflow:hidden;
  border-radius: 14px;
  border: 1px solid var(--border);
}
.table th, .table td{
  padding: 12px 10px;
  border-bottom: 1px solid rgba(255,255,255,.08);
  text-align:left;
  vertical-align: middle;
  font-size: 14px;
}
.table th{color: var(--muted); font-weight: 600}
.table tr:hover td{background: rgba(255,255,255,.03)}
.table tr:last-child td{border-bottom: none}

.controls{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  align-items:center;
  margin: 10px 0 12px;
}
.controls .grow{flex:1}

.chart{
  margin-top: 10px;
  padding: 14px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.03);
}
.bars{
  display:grid;
  gap: 10px;
}
.barRow{
  display:grid;
  grid-template-columns: 220px 1fr 90px;
  gap:10px;
  align-items:center;
}
@media (max-width: 720px){
  .barRow{grid-template-columns: 1fr}
}
.barLabel{color: var(--muted); font-size: 13px}
.barTrack{
  height: 12px;
  border-radius: 999px;
  background: rgba(255,255,255,.07);
  overflow:hidden;
  border: 1px solid rgba(255,255,255,.10);
}
.barFill{
  height: 100%;
  width: 10%;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(124,92,255,.9), rgba(40,215,199,.75));
}
.barValue{
  text-align:right;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 12px;
}

.quiz{
  display:grid;
  gap: 12px;
}
.qCard{
  padding: 14px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.03);
}
.qTitle{
  margin:0 0 10px;
  font-size: 16px;
}
.options{
  display:grid;
  gap: 8px;
}
.opt{
  border:1px solid rgba(255,255,255,.14);
  background: rgba(0,0,0,.20);
  border-radius: 14px;
  padding: 10px 12px;
  cursor:pointer;
  transition: background .2s ease, border-color .2s ease, transform .08s ease;
}
.opt:hover{
  background: rgba(255,255,255,.06);
  border-color: rgba(255,255,255,.22);
  transform: translateY(-1px);
}
.opt{ position: relative; }
.opt input{
  position: absolute;
  inset: 0;
  opacity: 0;   
}
.opt.selected{
  background: rgba(124,92,255,.14);
  border-color: rgba(124,92,255,.65);
  box-shadow: 0 0 0 4px rgba(124,92,255,.12);
}

.opt span{display:block; color: rgba(232,238,255,.92)}
.opt small{display:block; color: var(--muted); margin-top: 2px}

.footer{
  margin-top: 18px;
  color: rgba(170,182,230,.75);
  font-size: 12px;
  text-align:center;
}
code.inline{
  font-family: var(--mono);
  background: rgba(255,255,255,.06);
  padding: 2px 6px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,.12);
}
.msg{
  padding: 12px 12px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.03);
  line-height: 1.55;
  white-space: pre-wrap;
}
.msg.user{
  background: rgba(124,92,255,.12);
  border-color: rgba(124,92,255,.35);
}
.msg.ai{
  background: rgba(40,215,199,.10);
  border-color: rgba(40,215,199,.28);
}
.msg small{
  display:block;
  color: rgba(170,182,230,.85);
  margin-top: 6px;
  font-size: 12px;
}