:root{
  --bg:#0b1220;
  --panel:#0f1b31;
  --card:#0f213f;
  --text:#eef2ff;
  --muted:#a8b3cf;
  --line:rgba(255,255,255,.08);
  --accent:#6ee7ff;
  --accent2:#a78bfa;
  --danger:#fb7185;
  --ok:#34d399;
  --warn:#fbbf24;
  --shadow: 0 12px 30px rgba(0,0,0,.28);
  --radius:18px;
}

*{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;
  background: radial-gradient(1200px 600px at 20% 10%, rgba(167,139,250,.20), transparent 60%),
              radial-gradient(900px 500px at 80% 20%, rgba(110,231,255,.20), transparent 60%),
              var(--bg);
  color:var(--text);
}

a{color:inherit; text-decoration:none}
code{background:rgba(255,255,255,.08); padding:2px 6px; border-radius:8px}
.small{font-size:12px}
.muted{color:var(--muted)}
.right{text-align:right}

.app{
  display:grid;
  grid-template-columns: 260px 1fr;
  min-height:100vh;
}

.sidebar{
  padding:18px;
  background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
  border-right:1px solid var(--line);
}
.brand{
  font-weight:800;
  letter-spacing:.2px;
  display:flex;
  gap:10px;
  align-items:center;
  padding:10px 12px;
  border:1px solid var(--line);
  border-radius: 14px;
  background: rgba(255,255,255,.03);
  box-shadow: var(--shadow);
}
.nav{display:flex; flex-direction:column; gap:6px; margin-top:14px}
.nav a{
  padding:10px 12px;
  border:1px solid transparent;
  border-radius: 14px;
  color:var(--muted);
}
.nav a:hover{background:rgba(255,255,255,.04); color:var(--text)}
.nav a.active{
  background: linear-gradient(90deg, rgba(110,231,255,.18), rgba(167,139,250,.12));
  border-color: rgba(110,231,255,.22);
  color: var(--text);
}

.sidebar-footer{
  margin-top:18px;
  padding-top:14px;
  border-top:1px solid var(--line);
  display:flex;
  flex-direction:column;
  gap:10px;
}

.main{
  padding:26px;
}

.header{
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  gap:14px;
  margin-bottom:14px;
}
h1{margin:0; font-size:28px}
h2{margin:0 0 10px 0; font-size:18px}

.card{
  background: linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.03));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding:16px;
  box-shadow: var(--shadow);
}

.grid{
  display:grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap:14px;
}
.kpi{font-size:34px; font-weight:800}

.row{display:flex; gap:10px; flex-wrap:wrap}

.form{display:grid; gap:10px}
.form label{display:grid; gap:6px; color:var(--muted); font-size:13px}
input, select, textarea{
  width:100%;
  padding:10px 12px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(15, 27, 49, .9);
  color: var(--text);
  outline:none;
}
textarea{resize:vertical}
input:focus, select:focus, textarea:focus{border-color: rgba(110,231,255,.35); box-shadow: 0 0 0 4px rgba(110,231,255,.08)}

.grid2{grid-template-columns: repeat(2, minmax(0,1fr));}
.grid3{grid-template-columns: repeat(3, minmax(0,1fr));}
.span2{grid-column: span 2}
.span3{grid-column: span 3}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:10px 12px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.05);
  color: var(--text);
  cursor:pointer;
}
.btn:hover{background: rgba(255,255,255,.07)}
.btn-primary{
  border-color: rgba(110,231,255,.22);
  background: linear-gradient(90deg, rgba(110,231,255,.24), rgba(167,139,250,.18));
}
.btn-ghost{
  background: transparent;
}
.btn-small{padding:8px 10px; border-radius: 12px}

.table{
  width:100%;
  border-collapse: collapse;
}
.table th, .table td{
  padding:10px 10px;
  border-top: 1px solid var(--line);
  vertical-align: top;
}
.table th{color:var(--muted); font-weight:600; text-align:left}

.toast{
  padding:10px 12px;
  border-radius: 14px;
  border:1px solid var(--line);
  margin-bottom: 14px;
  background: rgba(255,255,255,.04);
}
.toast.success{border-color: rgba(52,211,153,.30)}
.toast.error{border-color: rgba(251,113,133,.35)}

.badge{
  display:inline-block;
  padding:3px 8px;
  border-radius:999px;
  border:1px solid var(--line);
  font-size:12px;
}
.badge.warn{border-color: rgba(251,191,36,.35); color: var(--warn)}
.badge.ok{border-color: rgba(52,211,153,.35); color: var(--ok)}
.badge.error{border-color: rgba(251,113,133,.35); color: var(--danger)}

.auth{
  display:grid;
  place-items:center;
  min-height:100vh;
  padding:18px;
}
.auth-card{
  width:min(420px, 100%);
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  border:1px solid var(--line);
  border-radius: 22px;
  padding:18px;
  box-shadow: var(--shadow);
}
.message{
  border:1px solid var(--line);
  border-radius: var(--radius);
  padding:10px;
  margin-bottom:10px;
  background: rgba(255,255,255,.02);
}
.message.me{
  background: rgba(110,231,255,.08);
  text-align:right;
}
@media (max-width: 980px){
  .app{grid-template-columns: 1fr}
  .sidebar{display:none}
  .grid{grid-template-columns: repeat(2, minmax(0,1fr))}
  .grid3{grid-template-columns: repeat(2, minmax(0,1fr))}
  .span3{grid-column: span 2}
}