:root {
  --bg: #0f1419;
  --surface: #1a2332;
  --border: #2d3a4f;
  --text: #e8eef7;
  --muted: #8b9cb3;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --danger: #ef4444;
  --radius: 12px;
  --font: system-ui, "Segoe UI", Roboto, Ubuntu, sans-serif;
}

* { box-sizing: border-box; }

.flash {
  padding: 0.65rem 1rem;
  text-align: center;
  font-size: 0.95rem;
}

.flash-error {
  background: rgba(239, 68, 68, 0.2);
  color: #fecaca;
}

.flash-success {
  background: rgba(34, 197, 94, 0.18);
  color: #bbf7d0;
}

.brand-link {
  color: inherit;
  text-decoration: none;
}

.brand-logo {
  border-radius: 8px;
  object-fit: cover;
  background: var(--surface);
}

.login-logo {
  border-radius: 10px;
  object-fit: cover;
}

.admin-links {
  list-style: none;
  padding: 0;
  margin: 1rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.admin-hub {
  max-width: 520px;
}

.form-block {
  margin-bottom: 1.5rem;
}

.form-block h2 {
  margin-top: 0;
}

.check-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
}

.inline-danger {
  display: inline-block;
  margin-top: 0.75rem;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  background: linear-gradient(160deg, #0a0e14 0%, #152238 50%, #0f1419 100%);
  color: var(--text);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.5rem;
  background: rgba(26, 35, 50, 0.92);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(8px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  font-size: 1.1rem;
}

.brand img {
  border-radius: 8px;
  object-fit: cover;
  background: var(--surface);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.user-greeting {
  color: var(--muted);
  font-size: 0.9rem;
}

.main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.5rem;
}

.panel.centered {
  display: flex;
  justify-content: center;
  padding-top: 3rem;
}

.login-card {
  width: 100%;
  max-width: 420px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
}

.login-brand {
  text-align: center;
  margin-bottom: 1.25rem;
}

.login-brand h1 {
  margin: 0.5rem 0 0.25rem;
  font-size: 1.5rem;
}

.muted {
  color: var(--muted);
}

.muted.small {
  font-size: 0.85rem;
}

.page-title {
  margin: 0 0 0.25rem;
  font-size: 1.35rem;
}

.sub {
  margin-top: 0;
  margin-bottom: 1.5rem;
}

.form label {
  display: block;
  margin-bottom: 0.75rem;
  font-size: 0.9rem;
}

.form input,
.form textarea,
.form select {
  width: 100%;
  margin-top: 0.35rem;
  padding: 0.55rem 0.65rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #121a26;
  color: var(--text);
}

.form textarea {
  resize: vertical;
}

.form-error {
  color: var(--danger);
  font-size: 0.9rem;
}

.btn {
  cursor: pointer;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  padding: 0.45rem 0.85rem;
  border-radius: 8px;
  font-size: 0.95rem;
}

.btn:hover {
  border-color: var(--muted);
}

.btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.btn.primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}

.btn.ghost {
  background: transparent;
}

.btn.danger-btn {
  border-color: rgba(239, 68, 68, 0.6);
  color: var(--danger);
}

.btn.stretch {
  width: 100%;
  padding: 0.65rem;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
}

.sys-card {
  display: block;
  text-decoration: none;
  color: inherit;
  overflow: hidden;
  transition: transform 0.15s, box-shadow 0.15s;
  padding: 0;
}

.sys-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.35);
}

.sys-card-img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  background: linear-gradient(135deg, #243047, #1a2332);
}

.sys-card-body {
  padding: 1rem 1.1rem 1.15rem;
}

.sys-card-body h2 {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
}

.sys-card-body p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.4;
}

.empty {
  text-align: center;
  padding: 2rem;
}

.dash {
  padding-top: 0.5rem;
}

.admin-head {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.admin-head h2 {
  margin: 0;
}

.tabs {
  display: flex;
  gap: 0.25rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.tab {
  cursor: pointer;
  padding: 0.5rem 0.85rem;
  border-radius: 8px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  font-size: 0.95rem;
}

.tab.active {
  color: var(--text);
  background: rgba(59, 130, 246, 0.15);
  border-color: var(--accent);
}

.tab-panel {
  margin-top: 0.5rem;
}

.form-inline {
  margin-bottom: 1.5rem;
}

.form-inline h3 {
  margin-top: 0;
}

.form-inline label {
  display: block;
  margin-bottom: 0.65rem;
  font-size: 0.88rem;
}

.form-inline label.check {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.form-inline label.check input {
  width: auto;
}

.admin-list .admin-row {
  margin-bottom: 1rem;
}

.admin-row h4 {
  margin: 0 0 0.75rem;
  font-size: 1rem;
}

.row-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 0.75rem;
}

.profile.narrow {
  max-width: 440px;
  margin: 2rem auto;
}

.row-btns {
  display: flex;
  gap: 0.5rem;
  justify-content: flex-end;
  margin-top: 1rem;
}

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  z-index: 100;
}

.modal {
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  overflow: auto;
}

.modal-body label {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
  margin-top: 1rem;
}

hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 1rem 0;
}

/* ACL por sistema (admin/systems) */
.system-acl {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  margin: 1rem 0;
}

.system-acl legend {
  padding: 0 0.35rem;
  font-weight: 600;
  font-size: 0.95rem;
}

.system-acl .acl-help {
  margin: 0 0 0.75rem;
  line-height: 1.45;
}

.acl-grid {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  max-height: 220px;
  overflow-y: auto;
  padding-right: 0.25rem;
}

.acl-check {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.9rem;
  cursor: pointer;
}

.acl-check input {
  margin-top: 0.2rem;
}