:root{
  --bg:#0b1220;
  --panel:#0f1a2e;
  --card:#101f3a;
  --muted:#8ea0c6;
  --text:#e8eeff;
  --line:rgba(255,255,255,.08);
  --accent:#7aa2ff;
  --accent2:#66d9d0;
  --danger:#ff6b6b;
  --ok:#46d18b;
  --shadow: 0 10px 30px rgba(0,0,0,.35);
  --radius:18px;
  --radius2:22px;
  --font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
}

*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;background:radial-gradient(1200px 800px at 10% 10%, rgba(122,162,255,.25), transparent 55%),
radial-gradient(900px 600px at 90% 30%, rgba(102,217,208,.18), transparent 55%),
var(--bg); color:var(--text); font-family:var(--font)}
a{color:inherit;text-decoration:none}
small,.small{font-size:12px}
.muted{color:var(--muted)}
.strong{font-weight:650}
.req{color:var(--danger)}

.layout{display:grid; grid-template-columns: 260px 1fr; min-height:100vh}
.sidebar{padding:22px 18px;border-right:1px solid var(--line); background:rgba(15,26,46,.55); backdrop-filter: blur(10px)}
.brand{font-weight:800; letter-spacing:.3px; font-size:18px}
.brand-sub{margin-top:6px; font-size:12px; color:var(--muted)}
.nav{display:flex; flex-direction:column; gap:6px; margin-top:16px}
.nav a{padding:10px 12px; border-radius:12px; color:var(--muted); border:1px solid transparent}
.nav a:hover{border-color:var(--line); color:var(--text)}
.nav a.active{background:rgba(122,162,255,.15); border-color:rgba(122,162,255,.25); color:var(--text)}

.content{padding:26px 26px 40px}
.topbar{display:flex; align-items:flex-start; justify-content:space-between; gap:16px}
.page-title{margin:0; font-size:30px; letter-spacing:.2px}
.page-subtitle{margin-top:8px; color:var(--muted); max-width:880px; line-height:1.5}

.actions{display:flex; flex-wrap:wrap; gap:10px; justify-content:flex-end}
button,.button{appearance:none; border:1px solid rgba(255,255,255,.12); background:rgba(122,162,255,.16);
color:var(--text); padding:10px 12px; border-radius:14px; cursor:pointer; font-weight:650;
box-shadow: 0 8px 20px rgba(0,0,0,.22)}
button:hover,.button:hover{border-color:rgba(122,162,255,.35)}
button.secondary,.button.secondary{background:rgba(255,255,255,.06)}
button.danger{background:rgba(255,107,107,.18); border-color:rgba(255,107,107,.25)}
button.ok{background:rgba(70,209,139,.18); border-color:rgba(70,209,139,.25)}
button:disabled{opacity:.45; cursor:not-allowed}

.grid-2{display:grid; grid-template-columns: 1fr 1fr; gap:16px; margin-top:18px}
.grid-3{display:grid; grid-template-columns: 1fr 1fr 1fr; gap:16px; margin-top:18px}
.grid-4{display:grid; grid-template-columns: repeat(4,1fr); gap:14px; margin-top:18px}
.stack{display:flex; flex-direction:column; gap:14px}

.card{background:rgba(16,31,58,.72); border:1px solid var(--line); border-radius:var(--radius2); padding:16px; box-shadow:var(--shadow)}
.kicker{font-size:12px; letter-spacing:.18em; text-transform:uppercase; color:var(--muted)}
.table{width:100%; border-collapse:collapse; margin-top:10px}
.table th,.table td{border-bottom:1px solid var(--line); padding:10px 8px; text-align:left; font-size:13px}
.table th{color:var(--muted); font-weight:700}
.row{display:flex; align-items:center; justify-content:space-between; gap:10px; padding:10px 0; border-bottom:1px solid var(--line)}
.row:last-child{border-bottom:none}
.badge{font-size:11px; padding:5px 10px; border-radius:999px; border:1px solid var(--line); color:var(--muted)}
.badge.draft{border-color:rgba(122,162,255,.28); color:rgba(122,162,255,.95)}
.badge.final{border-color:rgba(70,209,139,.28); color:rgba(70,209,139,.95)}

.form-grid{display:grid; grid-template-columns: 1fr 1fr; gap:12px}
label{display:block; font-size:12px; color:var(--muted); margin-bottom:6px}
input,select,textarea{
  width:100%; padding:10px 11px; border-radius:14px;
  background:rgba(0,0,0,.18); border:1px solid rgba(255,255,255,.10); color:var(--text);
  outline:none
}
textarea{resize:vertical; min-height:92px}
.preview{
  padding:14px; border-radius:16px; border:1px solid rgba(255,255,255,.10);
  background:rgba(0,0,0,.18);
  white-space:pre-wrap; font-family:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono","Courier New", monospace;
  font-size:12.5px; line-height:1.45; min-height:420px
}
.opts{display:flex; flex-direction:column; gap:8px}
.opt{display:flex; gap:10px; align-items:flex-start; color:var(--text); font-size:13px}
.opt input{width:auto; margin-top:3px}
.hr{height:1px; background:var(--line); margin:10px 0}
.notice{padding:12px 12px; border-radius:16px; border:1px solid rgba(255,255,255,.10); background:rgba(255,255,255,.06)}
.notice.ok{border-color:rgba(70,209,139,.25); background:rgba(70,209,139,.10)}
.notice.warn{border-color:rgba(255,193,7,.25); background:rgba(255,193,7,.09)}
.notice.bad{border-color:rgba(255,107,107,.25); background:rgba(255,107,107,.10)}

@media (max-width: 980px){
  .layout{grid-template-columns:1fr}
  .sidebar{position:sticky; top:0; z-index:5}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
}