/* ====== Modern, vibrant theme ====== */
:root{
  --bg:#0f1221;
  --panel:#16192c;
  --panel-2:#1f2340;
  --text:#e7e9f7;
  --muted:#aab0d6;
  --primary:#5B6CFF;
  --accent:#7BFFB9;
  --danger:#ff6b6b;
  --warning:#ffd166;
  --grid:#242949;
  --shadow:0 10px 30px rgba(0,0,0,.35);
  --radius:16px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color:var(--text);
  background: radial-gradient(1200px 600px at 80% -10%, rgba(91,108,255,.3), transparent 60%), 
             radial-gradient(800px 500px at -10% 110%, rgba(123,255,185,.15), transparent 60%),
             var(--bg);
}

.app-header{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 18px;border-bottom:1px solid rgba(255,255,255,.08);
  position:sticky;top:0;background:rgba(15,18,33,.85);backdrop-filter: blur(8px);z-index:10
}
.brand{display:flex;gap:12px;align-items:center}
.logo{
  width:40px;height:40px;border-radius:12px;background:linear-gradient(135deg, var(--primary), #9b5bff);
  display:grid;place-items:center;font-weight:800;color:white;box-shadow:var(--shadow)
}
.titles h1{font-size:18px;margin:0;font-weight:800;letter-spacing:.2px}
.titles .subtitle{font-size:12px;color:var(--muted)}

.actions{display:flex;gap:8px;flex-wrap:wrap}
.btn{
  background:#2a2f59;color:var(--text);border:none;padding:10px 14px;border-radius:10px;cursor:pointer;
  font-weight:600;transition:.2s;box-shadow:var(--shadow)
}
.btn:hover{transform:translateY(-1px)}
.btn.primary{background:linear-gradient(135deg, var(--primary), #9b5bff);color:white}
.btn.ghost{background:transparent;border:1px solid rgba(255,255,255,.15)}

.btn.small{padding:6px 10px;font-size:12px}

.app-main{display:grid;grid-template-columns:320px 1fr;min-height:calc(100vh - 68px)}
.sidebar{border-right:1px solid rgba(255,255,255,.08);padding:14px;background:linear-gradient(180deg, rgba(255,255,255,.02), transparent);}
.tabs{display:flex;gap:8px;margin-bottom:12px;flex-wrap:wrap}
.tab{flex:1;background:#20264d;color:var(--text);border:none;border-radius:10px;padding:10px;cursor:pointer;font-weight:700}
.tab.active{background:linear-gradient(135deg, #20264d, #2c3366)}
.tabpanel{display:none}
.tabpanel.active{display:block}

.panel-header{display:flex;align-items:center;justify-content:space-between;margin:6px 2px 12px}
h2{margin:0;font-size:16px}

.pill-list{display:grid;gap:10px}
.pill{
  display:flex;align-items:center;gap:10px;background:var(--panel);border:1px solid rgba(255,255,255,.08);
  padding:10px;border-radius:12px;box-shadow:var(--shadow)
}
.pill .meta{display:flex;flex-direction:column}
.pill .name{font-weight:800}
.pill .swatch{width:18px;height:18px;border-radius:6px;display:inline-block;box-shadow: inset 0 0 0 2px rgba(255,255,255,.15)}

.icon-btn{margin-left:auto;background:transparent;border:none;cursor:pointer;font-size:16px}
.icon-btn:hover{opacity:.9}

.form-row{display:flex;flex-direction:column;gap:6px;margin:12px 0}
.form-row input{padding:10px;border-radius:10px;border:1px solid rgba(255,255,255,.12);background:#12152a;color:var(--text)}

.workarea{padding:16px 16px 24px;display:flex;flex-direction:column;gap:12px}
.workarea-top{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.selects label{display:flex;flex-direction:column;font-size:12px;color:var(--muted);gap:6px}
select{padding:10px;border-radius:10px;background:#12152a;color:var(--text);border:1px solid rgba(255,255,255,.12)}

.legend{display:flex;gap:8px;flex-wrap:wrap}
.legend .chip{display:flex;align-items:center;gap:6px;background:var(--panel-2);padding:6px 10px;border-radius:999px;font-size:12px}
.legend .chip .sw{width:10px;height:10px;border-radius:4px;display:inline-block}

.grid-wrap{overflow:auto;border-radius:16px;border:1px solid rgba(255,255,255,.08);background:linear-gradient(180deg, rgba(255,255,255,.02), transparent);}
.grid{
  min-width:720px;
  display:grid;
  grid-auto-rows: 84px;
  gap:1px;
  background:var(--grid);
  border-radius:16px;
}
.grid .row{display:grid;grid-template-columns:160px repeat(var(--cols), 1fr);gap:1px}
.grid .cell, .grid .head{
  background:#0f1330;padding:10px;border-radius:6px
}
.head{background:#0c0f24;font-weight:800;display:flex;align-items:center;justify-content:center}
.cell{position:relative;cursor:pointer}
.cell .tag{
  position:absolute;inset:8px;border-radius:10px;padding:8px;font-size:12px;display:flex;flex-direction:column;gap:6px;
  background: rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.08)
}
.cell .tag .title{font-weight:800}
.cell .tag .sub{color:var(--muted)}
.cell.empty:hover{outline:1px dashed rgba(255,255,255,.15)}

.palette{margin-top:10px}
.palette-list{display:flex;gap:8px;flex-wrap:wrap}
.palette .card{
  background:var(--panel-2);padding:10px;border-radius:12px;display:flex;align-items:center;gap:8px;cursor:pointer;border:1px solid rgba(255,255,255,.08)
}
.palette .card .sw{width:14px;height:14px;border-radius:5px}

.app-footer{padding:10px 16px;color:var(--muted);border-top:1px solid rgba(255,255,255,.08)}

@media (max-width: 980px){
  .app-main{grid-template-columns:1fr}
  .sidebar{order:2}
  .workarea{order:1}
  .grid{min-width:600px}
}

/* Print */
@media print{
  body{background:white;color:black}
  .sidebar,.app-header,.app-footer,.palette{display:none!important}
  .workarea{padding:0}
  .grid-wrap{border:none}
  .grid .cell, .grid .head{background:white;border:1px solid #ddd}
  .cell .tag{border-radius:4px;border-color:#bbb}
}