:root{
  --bg:#f6f7fb;
  --surface:#ffffff;
  --text:#111827;
  --muted:#6b7280;
  --primary:#7c3aed;
  --primary-10:#f3e8ff;
  --teal:#14b8a6;
  --teal-10:#d1fae5;
  --yellow:#f59e0b;
  --radius:18px;
  --shadow:0 10px 24px rgba(17,24,39,.08);
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial;
  color:var(--text);
  background:var(--bg);
  display:grid;
  grid-template-columns:260px 1fr;
}

.sidebar{
  background:var(--surface);
  box-shadow:var(--shadow);
  padding:24px 16px;
  display:flex;flex-direction:column;gap:20px;
}
.brand{font-weight:800;letter-spacing:.4px;font-size:22px}
.brand span{color:var(--teal)}
.sidebar nav{display:flex;flex-direction:column;gap:8px}
.sidebar nav a{padding:10px 12px;border-radius:12px;color:var(--muted);text-decoration:none}
.sidebar nav a.active{background:var(--primary-10);color:var(--primary);font-weight:600}
.credits{margin-top:auto;color:var(--muted);font-size:12px}
.author-info{display:flex;flex-direction:column;align-items:center;gap:8px}
.author-name{font-size:12px;font-weight:500}
.social-links{display:flex;gap:8px;align-items:center}
.social-icon{width:16px;height:16px;color:var(--muted);transition:color 0.2s ease}
.social-links a:hover .social-icon{color:var(--primary)}

.main{padding:24px 28px}
.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.breadcrumbs{color:var(--muted);font-size:14px}
.actions{display:flex;gap:10px}

.btn{
  appearance:none;border:0;border-radius:12px;padding:10px 14px;
  font-weight:600;cursor:pointer;box-shadow:var(--shadow);background:var(--surface)
}
.btn.primary{background:var(--primary);color:#fff}
.btn.ghost{background:#fff;color:var(--muted)}
.btn.warning{background:#fef3c7;color:#92400e;border:1px solid #fbbf24}
.session{display:flex;align-items:center;gap:8px}
.chip{background:var(--primary-10);color:var(--primary);padding:6px 12px;border-radius:12px;font-size:12px;font-weight:600}
.hidden{display:none !important}

.hero{
  background:var(--surface);box-shadow:var(--shadow);border-radius:var(--radius);
  display:flex;align-items:center;justify-content:space-between;padding:18px 20px;margin-bottom:16px
}
.hero h1{margin:0 0 4px 0;font-size:22px}
.muted{color:var(--muted)}
.stats{display:flex;gap:8px}
.pill{padding:6px 10px;border-radius:999px;background:#eef2ff;color:var(--text);font-weight:600;font-size:12px}
.pill.teal{background:var(--teal-10)}
.pill.purple{background:var(--primary-10)}
.pill.yellow{background:#fff7ed}

.board{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.column{
  background:var(--surface);border-radius:16px;padding:12px 10px;box-shadow:var(--shadow);min-height:320px;
  display:flex;flex-direction:column;gap:10px;
}
.column-head{display:flex;justify-content:space-between;align-items:center;padding:0 6px}
.column h2{font-size:16px;margin:0}
.count{font-size:12px;color:var(--muted);background:#f1f5f9;padding:4px 8px;border-radius:10px}

.dropzone{display:flex;flex-direction:column;gap:10px;min-height:260px;padding:6px}
.dropzone.drag-over{outline:2px dashed var(--primary);outline-offset:6px;border-radius:12px}

.card{
  background:#fff;border-radius:14px;padding:12px;box-shadow:var(--shadow);
  display:flex;flex-direction:column;gap:8px; position:relative;
}
.card.dragging{opacity:.5}
.card .title{font-weight:700}
.card .desc{color:var(--muted);font-size:13px}
.meta{display:flex;align-items:center;gap:8px;justify-content:space-between}
.progress{width:100%;height:8px;border-radius:999px;background:#eef2ff;overflow:hidden}
.progress > span{display:block;height:100%;background:linear-gradient(90deg,var(--primary),var(--teal));width:0%}
.badge{font-size:11px;border-radius:999px;background:#f3f4f6;padding:3px 8px;color:#111827;font-weight:600}
.badge.done{background:#dcfce7}
.badge.wip{background:#dbeafe}

.card .actions{display:flex;gap:8px}
.icon-btn{
  background:#fff;border:1px solid #e5e7eb;border-radius:10px;padding:6px 8px;cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;gap:6px
}
.icon-btn:hover{border-color:#cbd5e1}
.icon{width:18px;height:18px;display:block}
.icon, .icon * { pointer-events: none; }
.status{margin-top:10px;color:var(--muted)}
.notificacion.info{color:var(--muted)}
.notificacion.exito{color:#16a34a}
.notificacion.error{color:#dc2626}

.modal{border:0;padding:0;background:transparent}
.modal::backdrop{background:rgba(15,23,42,.35)}
.modal-card{
  width:min(520px,92vw);background:#fff;border-radius:16px;padding:18px;box-shadow:var(--shadow);
  display:flex;flex-direction:column;gap:10px
}
.modal-card h3{margin:0 0 6px 0}
.modal-card label{display:flex;flex-direction:column;gap:6px;font-weight:600}
.modal-card input,.modal-card textarea,.modal-card select{
  padding:10px 12px;border-radius:12px;border:1px solid #e5e7eb;background:#fff;font:inherit
}
.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:6px}

/* -------- Colores por estado (tarjeta) -------- */
.card::before{
  content:""; position:absolute; left:0; top:0; bottom:0; width:4px;
  border-radius:14px 0 0 14px; background:currentColor; opacity:.6;
}
/* Borrador */
.card--borrador{ background:#eef2ff; color:#1f2a44; }
.card--borrador .badge.wip{ background:#e0e7ff; }
/* En progreso */
.card--en_progreso{ background:#ecfeff; color:#0f2e30; }
.card--en_progreso .badge.wip{ background:#cffafe; }
/* Edición */
.card--edicion{ background:#fdf4ff; color:#301934; }
.card--edicion .badge.wip{ background:#f5d0fe; }
/* Completada */
.card--completada{ background:#f0fdf4; color:#12351d; }
.card--completada .badge.done{ background:#dcfce7; }

.card:hover{ box-shadow: 0 12px 28px rgba(17,24,39,.10); }

#col-draft.drag-over    { outline-color:#6366f1; }
#col-in_progress.drag-over { outline-color:#06b6d4; }
#col-editing.drag-over  { outline-color:#a855f7; }
#col-done.drag-over     { outline-color:#22c55e; }

@media (max-width: 1100px){
  body{grid-template-columns:1fr}
  .sidebar{display:none}
  .board{grid-template-columns:1fr 1fr}
}
@media (max-width: 640px){
  .board{grid-template-columns:1fr}
  .hero{flex-direction:column;gap:12px;align-items:flex-start}
}
.hidden{ display:none !important; }
.chip{
  display:inline-flex; align-items:center; gap:8px;
  background:#eef2ff; color:#111827; padding:8px 12px;
  border-radius:999px; font-weight:600; box-shadow:var(--shadow);
}