* { box-sizing: border-box; margin: 0; }
:root {
  --azul: #1e3a5f; --azul-claro: #2d5b96; --acento: #e8734a;
  --fondo: #f4f6f9; --borde: #dde3ea; --texto: #24303e; --muted: #7a8697;
}
body { font-family: 'Segoe UI', system-ui, sans-serif; background: var(--fondo); color: var(--texto); font-size: 14px; }
.hidden { display: none !important; }
.muted { color: var(--muted); }
.error { color: #c0392b; margin: 8px 0; font-size: 13px; }

/* Login */
#login-view { display: flex; align-items: center; justify-content: center; min-height: 100vh; background: linear-gradient(135deg, var(--azul), var(--azul-claro)); }
.login-box { background: #fff; padding: 36px; border-radius: 12px; width: 360px; box-shadow: 0 10px 40px rgba(0,0,0,.25); }
.login-box h1 { color: var(--azul); font-size: 22px; }
.login-box p { margin-bottom: 20px; }

/* Layout */
#app-view { display: flex; min-height: 100vh; }
#sidebar { width: 210px; background: var(--azul); color: #fff; display: flex; flex-direction: column; padding: 16px 0; position: fixed; top: 0; bottom: 0; }
#sidebar .brand { font-weight: 700; font-size: 16px; padding: 0 18px 18px; }
#sidebar a { color: #c9d6e5; text-decoration: none; padding: 10px 18px; font-size: 13.5px; }
#sidebar a:hover { background: rgba(255,255,255,.08); color: #fff; }
#sidebar a.active { background: var(--azul-claro); color: #fff; border-left: 3px solid var(--acento); }
#sidebar .spacer { flex: 1; }
.user-info { padding: 10px 18px; font-size: 12px; color: #9fb2c8; border-top: 1px solid rgba(255,255,255,.12); }
#content { flex: 1; margin-left: 210px; padding: 24px 28px; }

/* Componentes */
h2 { color: var(--azul); font-size: 20px; margin-bottom: 4px; }
.page-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; flex-wrap: wrap; gap: 10px; }
.toolbar { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.btn { border: 1px solid var(--borde); background: #fff; padding: 8px 14px; border-radius: 6px; cursor: pointer; font-size: 13px; color: var(--texto); }
.btn:hover { background: #f0f3f7; }
.btn.primary { background: var(--azul-claro); color: #fff; border-color: var(--azul-claro); }
.btn.primary:hover { background: var(--azul); }
.btn.danger { color: #c0392b; }
.btn.small { padding: 4px 9px; font-size: 12px; }
.btn.full { width: 100%; margin-top: 12px; }
input, select, textarea { border: 1px solid var(--borde); border-radius: 6px; padding: 8px 10px; font-size: 13px; font-family: inherit; width: 100%; background: #fff; }
label { display: block; font-size: 12.5px; color: var(--muted); margin-bottom: 10px; }
label input, label select, label textarea { margin-top: 4px; color: var(--texto); }
textarea { min-height: 70px; resize: vertical; }
.search { max-width: 260px; }

table { width: 100%; border-collapse: collapse; background: #fff; border-radius: 8px; overflow: hidden; box-shadow: 0 1px 3px rgba(0,0,0,.06); }
th { background: #eef2f7; text-align: left; padding: 10px 12px; font-size: 12px; text-transform: uppercase; letter-spacing: .4px; color: var(--muted); }
td { padding: 10px 12px; border-top: 1px solid var(--borde); font-size: 13px; }
tr.clickable { cursor: pointer; }
tr.clickable:hover td { background: #f6f9fc; }

.badge { display: inline-block; padding: 2px 9px; border-radius: 20px; font-size: 11.5px; font-weight: 600; background: #e8edf3; color: var(--azul); white-space: nowrap; }
.badge.verde { background: #e0f2e5; color: #1e7b3c; }
.badge.rojo { background: #fde3e0; color: #c0392b; }
.badge.ambar { background: #fdf1d8; color: #9a6c0a; }
.badge.gris { background: #eceff3; color: var(--muted); }

.tabs { display: flex; gap: 4px; margin-bottom: 14px; flex-wrap: wrap; }
.tabs button { border: 1px solid var(--borde); background: #fff; border-radius: 20px; padding: 6px 14px; cursor: pointer; font-size: 12.5px; }
.tabs button.active { background: var(--azul-claro); color: #fff; border-color: var(--azul-claro); }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 14px; margin-bottom: 22px; }
.card { background: #fff; border-radius: 10px; padding: 16px 18px; box-shadow: 0 1px 3px rgba(0,0,0,.06); }
.card .num { font-size: 28px; font-weight: 700; color: var(--azul); }
.card .lbl { font-size: 12.5px; color: var(--muted); margin-top: 2px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.panel { background: #fff; border-radius: 10px; padding: 16px 18px; box-shadow: 0 1px 3px rgba(0,0,0,.06); margin-bottom: 18px; }
.panel h3 { color: var(--azul); font-size: 14.5px; margin-bottom: 10px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
.form-grid .wide { grid-column: 1 / -1; }

/* Modal */
#modal-backdrop { position: fixed; inset: 0; background: rgba(15,25,40,.5); display: flex; align-items: flex-start; justify-content: center; padding: 40px 16px; z-index: 100; overflow-y: auto; }
#modal { background: #fff; border-radius: 12px; padding: 22px 24px; width: 620px; max-width: 100%; }
.modal-title { font-size: 17px; font-weight: 700; color: var(--azul); margin-bottom: 14px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 14px; }

/* Toast */
#toast { position: fixed; bottom: 22px; right: 22px; background: var(--azul); color: #fff; padding: 12px 18px; border-radius: 8px; box-shadow: 0 4px 16px rgba(0,0,0,.25); z-index: 200; font-size: 13.5px; }
#toast.err { background: #c0392b; }

.detail-head { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 16px; }
.kv { display: grid; grid-template-columns: 140px 1fr; gap: 4px 10px; font-size: 13px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; }

@media (max-width: 800px) {
  #sidebar { width: 100%; position: static; flex-direction: row; flex-wrap: wrap; }
  #content { margin-left: 0; padding: 14px; }
  .grid2, .form-grid { grid-template-columns: 1fr; }
}