:root {
  --blue-900: #0b2f5c;
  --blue-700: #0f4c9c;
  --blue-600: #1660c2;
  --blue-500: #2b7de9;
  --blue-100: #e8f0fd;
  --blue-50: #f4f8fe;
  --ink: #1c2430;
  --muted: #5b6b82;
  --border: #dbe4f3;
  --danger: #c0392b;
  --danger-bg: #fdecea;
  --success: #1e7a4c;
  --success-bg: #e7f7ee;
  --radius: 10px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--blue-50);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  min-height: 100vh;
}

a { color: var(--blue-600); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- Layout con sesion iniciada ---------- */
.app-shell {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 240px;
  background: linear-gradient(180deg, var(--blue-900), var(--blue-700));
  color: #fff;
  padding: 24px 18px;
  flex-shrink: 0;
}

.sidebar .brand {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.sidebar .brand .dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: #6fb3ff;
  display: inline-block;
}

.sidebar nav a {
  display: block;
  color: #d9e8ff;
  padding: 10px 12px;
  border-radius: 8px;
  margin-bottom: 4px;
  font-size: 0.93rem;
  text-decoration: none;
}

.sidebar nav a:hover { background: rgba(255,255,255,0.08); color: #fff; }
.sidebar nav a.active { background: rgba(255,255,255,0.16); color: #fff; font-weight: 600; }

.sidebar .user-box {
  margin-top: 32px;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,0.15);
  font-size: 0.85rem;
  color: #cfe0fb;
}

.sidebar .user-box .role-badge {
  display: inline-block;
  margin-top: 4px;
  font-size: 0.72rem;
  padding: 2px 8px;
  border-radius: 999px;
  background: rgba(255,255,255,0.15);
}

.sidebar form { margin-top: 12px; }
.sidebar .logout-btn {
  background: none;
  border: 1px solid rgba(255,255,255,0.3);
  color: #fff;
  padding: 6px 10px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.82rem;
}
.sidebar .logout-btn:hover { background: rgba(255,255,255,0.1); }

.main {
  flex: 1;
  padding: 30px 40px;
  max-width: 1100px;
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
  flex-wrap: wrap;
  gap: 12px;
}

.page-header h1 {
  font-size: 1.5rem;
  color: var(--blue-900);
  margin: 0;
}

.page-header .subtitle { color: var(--muted); font-size: 0.9rem; margin-top: 4px; }

/* ---------- Componentes ---------- */
.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 24px;
  margin-bottom: 20px;
  box-shadow: 0 1px 2px rgba(20, 40, 80, 0.04);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--blue-600);
  color: #fff;
  border: none;
  padding: 10px 18px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}
.btn:hover { background: var(--blue-700); text-decoration: none; }
.btn.btn-secondary { background: #fff; color: var(--blue-700); border: 1px solid var(--border); }
.btn.btn-secondary:hover { background: var(--blue-100); }
.btn.btn-outline { background: transparent; color: var(--blue-600); border: 1px solid var(--blue-500); }
.btn.btn-sm { padding: 6px 12px; font-size: 0.8rem; }
.btn.btn-danger { background: var(--danger); }
.btn.btn-danger:hover { background: #a5301f; }
.btn[disabled] { opacity: 0.5; cursor: not-allowed; }

table.data-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
table.data-table th {
  text-align: left;
  color: var(--blue-900);
  border-bottom: 2px solid var(--border);
  padding: 10px 12px;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
table.data-table td { padding: 12px; border-bottom: 1px solid var(--border); vertical-align: middle; }
table.data-table tr:hover { background: var(--blue-50); }

.badge { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 0.75rem; font-weight: 600; }
.badge-blue { background: var(--blue-100); color: var(--blue-700); }
.badge-gray { background: #eef1f6; color: var(--muted); }

.flash {
  padding: 12px 16px;
  border-radius: 8px;
  margin-bottom: 16px;
  font-size: 0.9rem;
}
.flash-success { background: var(--success-bg); color: var(--success); border: 1px solid #bfe6cf; }
.flash-error { background: var(--danger-bg); color: var(--danger); border: 1px solid #f2c2bc; }

form .field { margin-bottom: 16px; }
form label { display: block; font-size: 0.85rem; font-weight: 600; color: var(--blue-900); margin-bottom: 6px; }
form .hint { font-size: 0.78rem; color: var(--muted); margin-top: 4px; }
input[type="text"], input[type="email"], input[type="password"], input[type="search"], select, textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.92rem;
  font-family: inherit;
  background: #fff;
  color: var(--ink);
}
textarea { resize: vertical; min-height: 80px; }
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--blue-500);
  box-shadow: 0 0 0 3px rgba(43, 125, 233, 0.15);
}

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 20px; }
.form-grid .full { grid-column: 1 / -1; }

fieldset { border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 18px; margin-bottom: 20px; }
legend { padding: 0 8px; font-weight: 700; color: var(--blue-900); font-size: 0.95rem; }

.radio-group { display: flex; gap: 18px; flex-wrap: wrap; margin-top: 4px; }
.radio-group label { display: flex; align-items: center; gap: 6px; font-weight: 500; font-size: 0.88rem; color: var(--ink); }
.radio-group input { width: auto; }

.errors-box {
  background: var(--danger-bg);
  border: 1px solid #f2c2bc;
  color: var(--danger);
  padding: 12px 16px;
  border-radius: 8px;
  margin-bottom: 18px;
  font-size: 0.88rem;
}
.errors-box ul { margin: 4px 0 0 18px; padding: 0; }

.summary-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 24px; }
.summary-item .k { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.03em; color: var(--muted); }
.summary-item .v { font-size: 0.95rem; margin-top: 2px; }

.doc-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 12px; }
.doc-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  flex: 1 1 220px;
  background: var(--blue-50);
}
.doc-card h3 { margin: 0 0 6px 0; font-size: 0.95rem; color: var(--blue-900); }
.doc-card p { margin: 0 0 12px 0; font-size: 0.82rem; color: var(--muted); }

.empty-state { text-align: center; padding: 60px 20px; color: var(--muted); }

/* ---------- Login ---------- */
.login-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at top, var(--blue-700), var(--blue-900));
  padding: 20px;
}
.login-box {
  background: #fff;
  border-radius: 14px;
  padding: 40px 36px;
  width: 100%;
  max-width: 380px;
  box-shadow: 0 20px 50px rgba(9, 30, 66, 0.35);
}
.login-box h1 { color: var(--blue-900); font-size: 1.4rem; margin: 0 0 4px 0; }
.login-box .subtitle { color: var(--muted); font-size: 0.88rem; margin-bottom: 24px; }
.login-box .btn { width: 100%; justify-content: center; margin-top: 8px; }

@media (max-width: 800px) {
  .app-shell { flex-direction: column; }
  .sidebar { width: 100%; }
  .main { padding: 20px; }
  .form-grid, .summary-grid { grid-template-columns: 1fr; }
}