:root {
  --bg: #f7f8fa;         /* fondo app */
  --panel: #ffffff;      /* paneles/cards */
  --text: #111827;       /* texto principal */
  --muted: #6b7280;      /* texto secundario */
  --border: #e5e7eb;     /* bordes suaves */
  --brand: #111827;      /* color de acción / primario */
  --ok: #16a34a;         /* estado OK */
  --warn: #d97706;       /* estado advertencia */
  --error: #dc2626;      /* estado error */
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0; font: 14px system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, sans-serif;
  color: var(--text); background: var(--bg);
}

/* Layout básico */
.app { display: grid; grid-template-columns: 240px 1fr; height: 100vh; }
.sidebar { background: #0f172a; color: #e2e8f0; padding: 16px; }
.main { padding: 20px; overflow: auto; }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; box-shadow: 0 1px 2px rgba(0,0,0,.04); }

/* Toolbar */
.toolbar { display: flex; gap: 8px; align-items: center; padding: 12px; border-bottom: 1px solid var(--border); }
.toolbar h1 { font-size: 18px; margin: 0; }
.toolbar .spacer { flex: 1; }

/* Inputs */
.input { height: 36px; border: 1px solid var(--border); border-radius: 8px; padding: 0 10px; background: #fff; color: var(--text); }
.input:focus { outline: 2px solid #c7d2fe; border-color: #a5b4fc; }

/* Botones */
.btn { height: 36px; padding: 0 12px; border-radius: 10px; border: 1px solid var(--border); background: var(--brand); color: #fff; cursor: pointer; }
.btn.ghost { background: #fff; color: var(--text); }
.btn.sm { height: 30px; padding: 0 10px; border-radius: 8px; }
.btn.link { background: transparent; color: var(--brand); border: none; padding: 0; height: auto; }
.btn:disabled { opacity: .6; cursor: not-allowed; }

/* Tabla compacta */
.table-wrap { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
.table { width: 100%; border-collapse: collapse; }
.table thead th { text-align: left; font-weight: 600; color: var(--muted); background: #fafafa; position: sticky; top: 0; z-index: 1; }
.table th, .table td { padding: 12px 14px; border-bottom: 1px solid var(--border); }
.table tr:hover td { background: #fafafa; }
.table-empty { padding: 24px; text-align: center; color: var(--muted); }

/* Chips de estado */
.chip { display: inline-flex; align-items: center; padding: 2px 8px; border-radius: 999px; font-size: 12px; border: 1px solid var(--border); background: #fff; }
.chip.ok { color: var(--ok); border-color: #bbf7d0; background: #ecfdf5; }
.chip.warn { color: var(--warn); border-color: #fed7aa; background: #fff7ed; }
.chip.error { color: var(--error); border-color: #fecaca; background: #fef2f2; }

/* Paginación */
.pagination { display: flex; gap: 6px; align-items: center; padding: 12px; justify-content: flex-end; }
.pagination button { border: 1px solid var(--border); background: #fff; border-radius: 8px; height: 32px; padding: 0 10px; }

/* Modal base */
.modal { position: fixed; inset: 0; display: none; align-items: center; justify-content: center; background: rgba(0,0,0,.35); padding: 20px; }
.modal.open { display: flex; }
.modal .panel { background: var(--panel); border-radius: 12px; padding: 16px; min-width: 320px; max-width: 640px; border: 1px solid var(--border); }

/* Formularios */
.form-grid { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit,minmax(220px,1fr)); }
label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 6px; }
.help { font-size: 12px; color: var(--muted); }

/* Login layout */
.login-container { display: grid; place-items: center; height: 100vh; }
.login-card { width: 360px; }

/* ===== Topbar fijo (navbar) ===== */
.topbar {
  position: fixed; inset: 0 0 auto 0; height: 64px;
  display: grid; grid-template-columns: auto 1fr auto; align-items: center;
  gap: 12px; padding: 0 16px; background: #ffffff; border-bottom: 1px solid var(--border);
  z-index: 1000;
}
.topbar .brand { font-weight: 800; color: var(--text); }
.topbar .nav { display: flex; gap: 12px; align-items: center; }
.topbar .nav a { color: var(--text); text-decoration: none; padding: 8px 10px; border-radius: 8px; }
.topbar .nav a:hover { background: #f3f4f6; }
.topbar .right { display: flex; gap: 10px; align-items: center; }

.topbar .backlink { display:flex; gap:8px; align-items:center; color: var(--text); text-decoration:none; }
.topbar .avatar { width: 28px; height: 28px; border-radius: 50%; background: #e5e7eb; display:inline-block; }
.topbar .chip { margin-right: 4px; }

.page { padding-top: 80px; padding-left: 16px; padding-right: 16px; } /* compensa barra fija */

/* Paneles de inicio */
.panels { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.panel-card { padding: 16px; }
.panel-card h3 { margin: 0 0 8px 0; font-size: 16px; }
.panel-actions { display:flex; gap:8px; flex-wrap: wrap; }

/* Avatar con imagen */
.avatar { width: 28px; height: 28px; border-radius: 50%; background: #e5e7eb; display:inline-flex; overflow: hidden; }
.avatar img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* Espacio entre el bloque de Resumen y las fichas */
.panels {
  margin-top: 24px;  /* antes: 0 */
}

@media (min-width: 1024px) {
  .panels { margin-top: 32px; } /* un poco más de aire en desktop */
}