/* assets/style.css */
:root{
  --bg:#0b1020;--fg:#e6e9f5;--card:#121836;--line:#232a4a;--muted:#9aa3c7;
  --btn:#2a315a;--primary:#4056f4;--danger:#d64045;--chip:#0f1530;--accent:#8690ff;
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;background:var(--bg);color:var(--fg);font:14px/1.6 system-ui,-apple-system,Segoe UI,Arial,Microsoft YaHei,Helvetica,sans-serif}

.topbar{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;background:var(--card);border-bottom:1px solid var(--line)}
.container{padding:20px;max-width:1200px;margin:0 auto}
.blank{height:calc(100vh - 64px);display:flex;align-items:center;justify-content:center}
.modal-content{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px;min-width:320px}
.log{background:var(--chip);border:1px solid var(--line);border-radius:8px;padding:10px;white-space:pre-wrap}
.form-row{margin:8px 0}

.btn{border:0;border-radius:10px;padding:8px 14px;background:var(--btn);color:#fff;cursor:pointer}
.btn.primary{background:var(--primary)}
.btn.danger{background:var(--danger)}
.btn.ghost{background:transparent;border:1px solid var(--line)}
.btn[disabled]{opacity:.5;cursor:not-allowed}

.tabs{display:flex;gap:8px;margin:12px 0 16px}
.tab{padding:8px 14px;border:1px solid var(--line);background:var(--card);border-radius:10px;cursor:pointer}
.tab.active{outline:1px solid var(--accent)}
.tabpane{display:none}
.tabpane.active{display:block}

.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-bottom:16px}
.card{border:1px solid var(--line);background:var(--card);border-radius:12px;padding:16px}
.card .title{opacity:.9}
.card .num{font-size:28px;margin:6px 0}
.card .desc{font-size:13px;opacity:.9;line-height:1.6}

.filters{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px;margin:16px 0}
.filters .field{display:flex;flex-direction:column;gap:6px}
.filters input,.filters select{width:100%;padding:10px;border-radius:8px;border:1px solid var(--line);background:var(--chip);color:var(--fg)}
.filters-actions{display:flex;gap:10px;align-items:end}

.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:12px}
.table{width:100%;border-collapse:collapse}
.table th,.table td{padding:10px;border-bottom:1px solid var(--line);text-align:left}
.table th{background:var(--card);position:sticky;top:0}
.pager{display:flex;gap:8px;align-items:center;margin-top:12px;flex-wrap:wrap}
.pager a,.pager span{padding:6px 10px;border:1px solid var(--line);border-radius:8px;text-decoration:none;color:var(--fg)}
.pager .current{background:#2a315a}
.note{opacity:.8;font-size:12px}

.panel{border:1px solid var(--line);background:var(--card);border-radius:12px;padding:16px;margin:16px 0}
.grid2{display:grid;grid-template-columns:1fr 320px;gap:16px}
.grid2 .left textarea{width:100%;min-height:180px;resize:vertical;padding:10px;border-radius:8px;border:1px solid var(--line);background:var(--chip);color:var(--fg)}
.dropzone{display:flex;align-items:center;justify-content:center;height:160px;border:1px dashed #3a4270;border-radius:12px;background:var(--chip)}
.dropzone.drag{border-color:var(--accent);background:#121a3d}
.dropzone input{display:none}
.row{display:flex;gap:10px;align-items:center;margin-top:10px;flex-wrap:wrap}
.pill{display:inline-block;padding:6px 10px;border:1px solid var(--line);border-radius:999px;font-size:12px;opacity:.9}
.muted{opacity:.8}
.progress{height:8px;background:var(--chip);border:1px solid var(--line);border-radius:999px;overflow:hidden}
.progress>i{display:block;height:100%;background:var(--primary);width:0%}
.kv{display:grid;grid-template-columns:180px 1fr;gap:8px;align-items:center}
.kv input,.kv select{width:100%;padding:10px;border-radius:8px;border:1px solid var(--line);background:var(--chip);color:var(--fg)}
.preview{max-height:140px;overflow:auto;border:1px solid var(--line);border-radius:8px;padding:10px;background:var(--chip)}

@media (max-width:900px){
  .cards{grid-template-columns:1fr}
  .filters{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid2{grid-template-columns:1fr}
}


/* ===== UI Skin Only: Professional Dark Palette & Spacing =====
   NOTE: This section only overrides tokens & visual styles.
   No structural/JS changes. You can drop this block to revert. */
:root{
  --bg:#0b1020;
  --fg:#e5e7eb;
  --card:#0f172a;
  --line:#1f2937;
  --muted:#9ca3af;
  --btn:#101826;
  --primary:#3b82f6;
  --danger:#ef4444;
  --chip:#0f172a;
  --accent:#22d3ee;
  --radius:16px;
}

body{font:14px/1.7 ui-sans-serif, system-ui, -apple-system, Segoe UI, Inter, Roboto, "Helvetica Neue", Arial, "Microsoft YaHei", "Noto Sans SC", sans-serif; letter-spacing:.2px;}
h1,h2,h3{font-weight:600}
h2{font-size:18px}

/* Containers & cards */
main{padding:20px}
.card{background:var(--card); border:1px solid var(--line); border-radius:var(--radius); box-shadow: 0 4px 12px rgba(0,0,0,.24)}
.card .card-head{padding-bottom:6px; border-bottom:1px solid rgba(255,255,255,.04)}
.kv>label{color:var(--muted); font-size:12px}

/* Buttons & inputs */
button, .btn{border:1px solid var(--line); background:var(--btn); color:var(--fg); border-radius:12px; padding:8px 12px}
.btn.primary, button.primary{background:var(--primary); border-color:#2b64c4; color:white}
.btn.ghost{background:transparent}
button:hover, .btn:hover{filter:brightness(1.05)}
input,select,textarea{background:#0b1426; border:1px solid var(--line); color:var(--fg); border-radius:10px; padding:8px 10px}
input:focus,select:focus,textarea:focus{outline:2px solid rgba(59,130,246,.4); outline-offset:0}

/* Tables */
table{border-collapse:separate; border-spacing:0 6px}
table th{color:#aab7cf; font-weight:600}
table tr{background:#0e162b; border:1px solid var(--line)}
table tr:hover{background:#0f1930}
table td, table th{padding:10px 12px}

/* Log area / progress bars */
.log, .box, pre{background:#0b1426; border:1px solid var(--line); border-radius:12px}
.progress{background:#0b1426; border:1px solid var(--line); border-radius:999px}
.progress i{background:linear-gradient(90deg, var(--primary), var(--accent))}

/* Chart hints (SVG/CSS) */
svg .grid{stroke:#1e293b}
svg .line{stroke:var(--accent); stroke-width:2; fill:none}
svg .bar{fill:var(--accent)}
svg text{fill:#a3b1c6}

/* Chips / badges */
.badge, .chip{background:#0e172a; border:1px solid var(--line); border-radius:999px; color:#cbd5e1}

/* Topbar */
.topbar{background:rgba(15,23,42,.7); border-bottom:1px solid var(--line); backdrop-filter: blur(6px)}

/* Links */
a{color:#93c5fd}
a:hover{color:#bfdbfe}