/* ═══════════════════════════════════════════════════════════════
   NUVA Hub — Design System v1
   Palette derived from logo #0070C0
   ═══════════════════════════════════════════════════════════════ */

/* ── CSS Custom Properties ──────────────────────────────────── */
:root {
  /* Sidebar */
  --sidebar-bg: #0B1E33;
  --sidebar-hover: #132D4A;
  --sidebar-active: #0070C0;
  --sidebar-text: #94A3B8;
  --sidebar-heading: #64748B;
  --sidebar-divider: #1E3A5F;
  --sidebar-width: 260px;

  /* Content */
  --page-bg: #F8F9FA;
  --card-bg: #FFFFFF;
  --text-primary: #1E293B;
  --text-secondary: #64748B;
  --text-muted: #94A3B8;

  /* Borders */
  --border: #E2E8F0;
  --border-light: #F1F5F9;

  /* Accents */
  --primary: #0070C0;
  --primary-hover: #005A9E;
  --primary-light: #E8F4FD;
  --success: #0CA678;
  --success-light: #D3F9D8;
  --success-text: #2B8A3E;
  --warning: #F59F00;
  --warning-light: #FFF3BF;
  --warning-text: #E67700;
  --error: #E03131;
  --error-light: #FFE3E3;
  --error-text: #C92A2A;
  --info: #339AF0;
  --info-light: #D0EBFF;
  --info-text: #1971C2;

  /* Typography */
  --font-ui: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", Consolas, "Courier New", monospace;

  /* Radii & Shadows */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 10px;
  --radius-pill: 100px;
  --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.04);
  --shadow-card-hover: 0 4px 12px rgba(0, 0, 0, 0.06);
  --shadow-dropdown: 0 8px 24px rgba(0, 0, 0, 0.10);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 200ms ease;
}

/* ── Reset & Base ───────────────────────────────────────────── */
*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-ui);
  font-size: 0.9375rem;
  font-weight: 400;
  line-height: 1.5;
  color: var(--text-primary);
  background: var(--page-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  margin: 0 0 0.75rem;
  font-weight: 600;
  line-height: 1.3;
  color: var(--text-primary);
}

h1 { font-size: 1.75rem; font-weight: 700; }
h2 { font-size: 1.375rem; }
h3 { font-size: 1.125rem; }

p { margin: 0 0 0.75rem; }

a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover { color: var(--primary-hover); }

img { max-width: 100%; display: block; }

/* ── Focus ──────────────────────────────────────────────────── */
:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* ── Scrollbar ──────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: var(--radius-pill); }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ── Selection ──────────────────────────────────────────────── */
::selection {
  background: var(--primary);
  color: #FFFFFF;
}

/* ── Focus & Validation ─────────────────────────────────────── */
h1:focus { outline: none; }

.valid.modified:not([type=checkbox]) { outline: 1px solid var(--success); }
.invalid { outline: 1px solid var(--error); }
.validation-message {
  color: var(--error-text);
  font-size: 0.8125rem;
  margin-top: 0.25rem;
}

/* ── Error Boundary ─────────────────────────────────────────── */
.blazor-error-boundary {
  background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
  padding: 1rem 1rem 1rem 3.7rem;
  color: white;
}
.blazor-error-boundary::after { content: "An error has occurred." }

/* ── Mensajes ───────────────────────────────────────────────── */
.msg {
  color: var(--success-text);
  background: var(--success-light);
  border: 1px solid var(--success);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  margin-bottom: 1rem;
}

.error {
  color: var(--error-text);
  background: var(--error-light);
  border: 1px solid var(--error);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  margin-bottom: 1rem;
}

/* ── Tablas ──────────────────────────────────────────────────── */
table {
  border-collapse: collapse;
  width: 100%;
  margin: 1rem 0;
  font-size: 0.875rem;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

thead { background: var(--border-light); }

th {
  text-align: left;
  padding: 0.625rem 0.875rem;
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
}

td {
  padding: 0.625rem 0.875rem;
  border-bottom: 1px solid var(--border-light);
  color: var(--text-primary);
  vertical-align: middle;
}

tr:last-child td { border-bottom: none; }

tr:nth-child(even) td { background: #F8FAFC; }

tr:hover td { background: var(--primary-light); }

/* ── Formularios ─────────────────────────────────────────────── */
label {
  display: block;
  margin-bottom: 0.25rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-primary);
}

input,
select,
textarea {
  width: 100%;
  max-width: 100%;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font-ui);
  font-size: 0.875rem;
  color: var(--text-primary);
  background: var(--card-bg);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  min-height: 38px;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 112, 192, 0.15);
}

input[type="checkbox"] {
  width: auto;
  min-height: auto;
}

input:disabled,
select:disabled,
textarea:disabled {
  background: var(--page-bg);
  color: var(--text-secondary);
  cursor: not-allowed;
}

input::placeholder,
textarea::placeholder {
  color: var(--text-muted);
}

/* ── Botones ─────────────────────────────────────────────────── */
button,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  padding: 0.5rem 1.25rem;
  font-family: var(--font-ui);
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1.4;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-decoration: none;
  transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast);
  min-height: 38px;
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

button[type="submit"],
.btn-primary {
  background: var(--primary);
  color: #FFFFFF;
  border-color: var(--primary);
}

button[type="submit"]:hover:not(:disabled),
.btn-primary:hover {
  background: var(--primary-hover);
  border-color: var(--primary-hover);
}

.btn-secondary {
  background: var(--card-bg);
  color: var(--text-primary);
  border-color: var(--border);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--page-bg);
}

.btn-danger {
  background: var(--card-bg);
  color: var(--error);
  border-color: var(--error);
}

.btn-danger:hover:not(:disabled) {
  background: var(--error-light);
  color: var(--error-text);
}

.btn-icon {
  width: 36px;
  height: 36px;
  min-height: 36px;
  padding: 0;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
}

.btn-icon:hover:not(:disabled) {
  background: var(--border-light);
  color: var(--text-primary);
}

.btn-sm {
  font-size: 0.8125rem;
  padding: 0.375rem 0.75rem;
  min-height: 30px;
}

/* ── Badges ──────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.125rem 0.625rem;
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  border-radius: var(--radius-pill);
  line-height: 1.5;
}

.badge-success { background: var(--success-light); color: var(--success-text); }
.badge-warning { background: var(--warning-light); color: var(--warning-text); }
.badge-error   { background: var(--error-light);   color: var(--error-text);   }
.badge-info    { background: var(--info-light);    color: var(--info-text);    }
.badge-neutral { background: var(--border-light);  color: var(--text-secondary); }

/* ── Cards ───────────────────────────────────────────────────── */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-card);
}

.card-link {
  display: block;
  color: inherit;
  transition: box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.card-link:hover {
  box-shadow: var(--shadow-card-hover);
  border-color: var(--primary);
}

/* ── Page Header ─────────────────────────────────────────────── */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.page-header h1 { margin-bottom: 0; }

/* ── Breadcrumb ──────────────────────────────────────────────── */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
}

.breadcrumb a { color: var(--text-secondary); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .separator { color: var(--text-muted); user-select: none; }

/* ── Utilities ───────────────────────────────────────────────── */
.text-mono { font-family: var(--font-mono); font-size: 0.8125rem; }
.text-secondary { color: var(--text-secondary); }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mb-2 { margin-bottom: 1rem; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }

/* ── Empty State ─────────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 3rem 1.5rem;
  color: var(--text-secondary);
}

.empty-state svg {
  display: block;
  margin: 0 auto 1rem;
  color: var(--text-muted);
}

.empty-state p { margin-bottom: 1.25rem; font-size: 0.9375rem; }

/* ── Form card (for edit/create pages) ───────────────────────── */
.form-card {
  max-width: 800px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 768px) {
  .form-grid { grid-template-columns: 1fr 1fr; }
}

.form-actions {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-light);
}

/* ── Search / filter bar ─────────────────────────────────────── */
.filter-bar {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.filter-bar input {
  max-width: 320px;
  padding-left: 2.5rem;
}

.search-box {
  position: relative;
}

.search-box svg {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

/* ── Nav Sidebar (global: NavMenu child no hereda scope del layout) ─ */
.nav-sidebar {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.75rem;
  flex: 1;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.625rem 0.875rem;
  border-radius: var(--radius-md);
  color: var(--sidebar-text);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  transition: background var(--transition-fast), color var(--transition-fast);
  min-height: 42px;
}

.nav-item:hover {
  background: var(--sidebar-hover);
  color: #FFFFFF;
}

.nav-item.active {
  background: var(--sidebar-active);
  color: #FFFFFF;
}

.nav-icon {
  flex-shrink: 0;
  opacity: 0.8;
}

.nav-item.active .nav-icon,
.nav-item:hover .nav-icon {
  opacity: 1;
}

/* ── Grid system ─────────────────────────────────────────────── */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 768px) {
  .grid-2 { grid-template-columns: 1fr 1fr; }
}

.grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 768px) {
  .grid-3 { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 1024px) {
  .grid-3 { grid-template-columns: 1fr 1fr 1fr; }
}

/* ── Portal (global: child pages need these outside layout scope) ── */
.portal-main > * {
  width: 100%;
  max-width: 720px;
}

.portal-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 2rem;
}

.portal-card h1 {
  font-size: 1.375rem;
  margin-top: 0;
}

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 767px) {
  body { font-size: 0.875rem; }
  h1 { font-size: 1.375rem; }
  .page-header { flex-direction: column; align-items: flex-start; }
  input, select, textarea { font-size: 16px; } /* prevent iOS zoom */

  .portal-card {
    padding: 1.25rem;
  }
}