/* =========================================
   MX FISCAL — Mexican Modernist Accountancy
   Design System v1.0

   Inspired by Luis Barragán's warm modernism.
   Terracotta. Teal. Cream. Charcoal.
   ========================================= */

/* --- 1. Design Tokens --- */
:root {
  /* Surfaces */
  --surface-ground: #F7F3EE;
  --surface-card: #FFFFFF;
  --surface-sidebar: #1C1917;
  --surface-sidebar-hover: #292524;
  --surface-sidebar-active: rgba(194,112,78,0.12);

  /* Text */
  --text-primary: #1C1917;
  --text-secondary: #57534E;
  --text-tertiary: #A8A29E;
  --text-inverse: #FAFAF9;
  --text-inverse-muted: #A8A29E;

  /* Brand */
  --terracotta: #C2704E;
  --terracotta-hover: #A85A3A;
  --terracotta-light: #F3E0D6;
  --terracotta-faint: #FBF4F0;

  --teal: #0F766E;
  --teal-light: #CCFBF1;
  --teal-dark: #115E59;

  /* Semantic */
  --success: #65823A;
  --success-light: #ECFCCB;
  --danger: #DC2626;
  --danger-light: #FEE2E2;
  --warning: #D97706;
  --warning-text: #92530A;
  --warning-light: #FEF3C7;

  /* Borders */
  --border: #E7E5E4;
  --border-muted: #F5F5F4;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(28,25,23,0.04);
  --shadow-sm: 0 1px 3px rgba(28,25,23,0.06), 0 1px 2px rgba(28,25,23,0.04);
  --shadow-md: 0 4px 6px rgba(28,25,23,0.06), 0 2px 4px rgba(28,25,23,0.04);
  --shadow-lg: 0 10px 15px rgba(28,25,23,0.06), 0 4px 6px rgba(28,25,23,0.04);

  /* Layout */
  --sidebar-width: 256px;

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;

  /* Typography */
  --font-display: 'Bricolage Grotesque', Georgia, serif;
  --font-body: 'Karla', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Menlo', monospace;
}


/* --- 1b. Self-Hosted Fonts (no Google Fonts CDN dependency) --- */

@font-face {
  font-family: 'Bricolage Grotesque';
  src: url("../fonts/bricolage-grotesque-latin.da7b375c28d5.woff2") format('woff2');
  font-weight: 400 700;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: 'Karla';
  src: url("../fonts/karla-latin.b08964fe663c.woff2") format('woff2');
  font-weight: 400 600;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: 'JetBrains Mono';
  src: url("../fonts/jetbrains-mono-latin.82462194ebb6.woff2") format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* --- 2. Reset & Base --- */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* Prevent Alpine.js flash of unstyled content */
[x-cloak] { display: none !important; }

/* HTMX loading indicator + transition styles */
.htmx-indicator { display: none; }
.htmx-request .htmx-indicator { display: inline; }
.htmx-request.htmx-indicator { display: inline; }
.htmx-settling { opacity: 0; transition: opacity 0.2s ease-in; }
.htmx-added { opacity: 1; }

/* Global focus indicator (WCAG 2.2) */
:focus-visible {
  outline: 2px solid var(--terracotta);
  outline-offset: 2px;
}

/* Skip-to-content link */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 200;
  padding: 0.75rem 1.25rem;
  background: var(--surface-card);
  color: var(--terracotta);
  font-weight: 600;
  font-size: 0.875rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  text-decoration: none;
}

.skip-link:focus {
  top: 1rem;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--surface-ground);
  min-height: 100vh;
}

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

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

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


/* --- 3. Typography --- */

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.25;
  color: var(--text-primary);
}

h1 { font-size: 1.75rem; }
h2 { font-size: 1.375rem; }
h3 { font-size: 1.125rem; }
h4 { font-size: 1rem; }

code, .mono {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
}


/* --- 4. App Layout --- */

.app {
  display: flex;
  min-height: 100vh;
}


/* --- 5. Sidebar --- */

.sidebar {
  width: var(--sidebar-width);
  background: var(--surface-sidebar);
  color: var(--text-inverse-muted);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 40;
  transition: transform var(--transition-slow);
  /* Subtle herringbone texture */
  background-image:
    linear-gradient(30deg, rgba(255,255,255,0.015) 25%, transparent 25%),
    linear-gradient(-30deg, rgba(255,255,255,0.015) 25%, transparent 25%);
  background-size: 20px 36px;
}

.sidebar-header {
  padding: 1.5rem 1.25rem;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.logo-mark {
  width: 34px;
  height: 34px;
  background: linear-gradient(135deg, var(--terracotta), #D4845E);
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.logo-mark svg {
  width: 18px;
  height: 18px;
  color: white;
}

.logo-text {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-inverse);
  letter-spacing: -0.02em;
}

.sidebar-nav {
  flex: 1;
  padding: 0.75rem;
  overflow-y: auto;
}

.nav-section {
  margin-top: 1.75rem;
  padding: 0 0.75rem;
  margin-bottom: 0.5rem;
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.25);
  font-weight: 600;
}

.nav-section:first-child {
  margin-top: 0.5rem;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.625rem 0.75rem;
  min-height: 44px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--text-inverse-muted);
  transition: all var(--transition-fast);
  text-decoration: none;
  position: relative;
}

.nav-item:hover {
  background: var(--surface-sidebar-hover);
  color: var(--text-inverse);
}

.nav-item.active,
body[data-nav="home"] [data-nav="home"].nav-item,
body[data-nav="cfdis"] [data-nav="cfdis"].nav-item,
body[data-nav="new"] [data-nav="new"].nav-item,
body[data-nav="sync"] [data-nav="sync"].nav-item,
body[data-nav="clientes"] [data-nav="clientes"].nav-item,
body[data-nav="profile"] [data-nav="profile"].nav-item,
body[data-nav="tenants"] [data-nav="tenants"].nav-item,
body[data-nav="settings"] [data-nav="settings"].nav-item,
body[data-nav="showcase"] [data-nav="showcase"].nav-item,
body[data-nav="diag_stats"] [data-nav="diag_stats"].nav-item {
  background: var(--surface-sidebar-active);
  color: #E8A88C;
  font-weight: 500;
}

.nav-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  opacity: 0.5;
}

.nav-item:hover .nav-icon,
.nav-item.active .nav-icon,
body[data-nav="home"] [data-nav="home"].nav-item .nav-icon,
body[data-nav="cfdis"] [data-nav="cfdis"].nav-item .nav-icon,
body[data-nav="new"] [data-nav="new"].nav-item .nav-icon,
body[data-nav="sync"] [data-nav="sync"].nav-item .nav-icon,
body[data-nav="clientes"] [data-nav="clientes"].nav-item .nav-icon,
body[data-nav="profile"] [data-nav="profile"].nav-item .nav-icon,
body[data-nav="tenants"] [data-nav="tenants"].nav-item .nav-icon,
body[data-nav="settings"] [data-nav="settings"].nav-item .nav-icon,
body[data-nav="showcase"] [data-nav="showcase"].nav-item .nav-icon,
body[data-nav="diag_stats"] [data-nav="diag_stats"].nav-item .nav-icon {
  opacity: 0.9;
}

.sidebar-footer {
  padding: 1rem 1.25rem;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.user-rfc {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--terracotta);
  letter-spacing: 0.02em;
}

.user-name {
  font-size: 0.8125rem;
  color: var(--text-inverse-muted);
  margin-top: 0.125rem;
}


/* --- 6. Main Content --- */

.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.page-header {
  padding: 1.25rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--surface-card);
  border-bottom: 1px solid var(--border);
}

.page-header-left {
  display: flex;
  flex-direction: column;
}

.cfdi-type-nav {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.section-header-title {
  margin: 0;
  font-size: 1rem;
  color: var(--text-secondary);
}

.page-title {
  font-size: 1.375rem;
  font-weight: 600;
  line-height: 1.3;
}

.page-subtitle {
  font-size: 0.8125rem;
  color: var(--text-tertiary);
  margin-top: 0.125rem;
}

.page-actions {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.content-body {
  padding: 1.75rem 2rem;
  flex: 1;
}


/* --- 7. Cards --- */

.card {
  background: var(--surface-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xs);
}

.card-header {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border-muted);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-title {
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
}

.card-body {
  padding: 1.5rem;
}

/* Summary cards */
.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.summary-card {
  background: var(--surface-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow-xs);
  position: relative;
  overflow: hidden;
  animation: fadeInUp 0.35s ease-out both;
}

.summary-card:nth-child(1) { animation-delay: 0s; }
.summary-card:nth-child(2) { animation-delay: 0.06s; }
.summary-card:nth-child(3) { animation-delay: 0.12s; }
.summary-card:nth-child(4) { animation-delay: 0.18s; }

.summary-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
}

.summary-card--ingresos::before { background: var(--teal); }
.summary-card--egresos::before { background: var(--danger); }
.summary-card--balance::before { background: var(--terracotta); }
.summary-card--emitidos::before { background: var(--teal); }
.summary-card--recibidos::before { background: var(--warning); }

.summary-label {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.summary-value {
  font-family: var(--font-display);
  font-size: 1.625rem;
  font-weight: 700;
  line-height: 1;
}

.summary-value--positive { color: var(--teal-dark); }
.summary-value--negative { color: var(--danger); }
.summary-value--neutral { color: var(--text-primary); }
.summary-value--accent { color: var(--terracotta); }

.summary-sub {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  margin-top: 0.5rem;
}

.summary-pct {
  display: inline-flex;
  align-items: center;
  gap: 0.125rem;
  font-weight: 600;
  font-size: 0.75rem;
  margin-left: 0.25rem;
}

.summary-pct--good { color: var(--teal-dark); }
.summary-pct--bad { color: var(--danger); }


/* --- 8. Tables --- */

.data-table-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.data-table th {
  text-align: left;
  padding: 0.625rem 1rem;
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-tertiary);
  background: var(--surface-ground);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.data-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-muted);
  vertical-align: middle;
}

.data-table tbody tr {
  transition: background var(--transition-fast);
}

.data-table tbody tr:hover {
  background: var(--terracotta-faint);
}

.data-table .col-amount {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.8125rem;
  text-align: right;
  white-space: nowrap;
}

.data-table .col-date {
  white-space: nowrap;
  color: var(--text-secondary);
  font-size: 0.8125rem;
}

.data-table .col-concepto {
  max-width: 280px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.data-table .col-link a {
  color: var(--terracotta);
  font-size: 0.8125rem;
  font-weight: 500;
}


/* --- 9. Badges --- */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.125rem 0.5rem;
  border-radius: 999px;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  line-height: 1.6;
}

.badge--emitido {
  background: var(--teal-light);
  color: var(--teal-dark);
}

.badge--recibido {
  background: var(--warning-light);
  color: #92400E;
}

.badge--vigente {
  background: var(--success-light);
  color: #3F6212;
}

.badge--cancelado {
  background: var(--danger-light);
  color: #991B1B;
}


/* --- 10. Buttons --- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  min-height: 44px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1.5;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

.btn:focus-visible {
  outline: 2px solid var(--terracotta);
  outline-offset: 2px;
}

.btn--primary {
  background: var(--terracotta);
  color: white;
}

.btn--primary:hover {
  background: var(--terracotta-hover);
  color: white;
}

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

.btn--secondary:hover {
  background: var(--surface-ground);
}

.btn--danger {
  background: var(--danger);
  color: white;
}

.btn--danger:hover {
  background: #B91C1C;
  color: white;
}

.btn--ghost {
  background: transparent;
  color: var(--terracotta);
}

.btn--ghost:hover {
  background: var(--terracotta-faint);
}

.btn--sm {
  padding: 0.375rem 0.75rem;
  font-size: 0.8125rem;
  min-height: 36px;
}

.btn--lg {
  padding: 0.625rem 1.5rem;
  font-size: 0.9375rem;
  min-height: 48px;
}

.btn-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}


/* --- 11. Forms --- */

.form-grid {
  display: grid;
  gap: 1.25rem;
}

.form-grid--2col {
  grid-template-columns: 1fr 1fr;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.form-label {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-input,
.form-select {
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--text-primary);
  background: var(--surface-card);
  transition: all var(--transition-fast);
  width: 100%;
}

.form-input:focus,
.form-select:focus {
  outline: none;
  border-color: var(--terracotta);
  box-shadow: 0 0 0 3px var(--terracotta-light);
}

.form-input::placeholder {
  color: var(--text-tertiary);
}

.form-input--readonly {
  background: var(--surface-ground);
  cursor: default;
}

.form-section-title,
fieldset > legend {
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-muted);
  width: 100%;
}

fieldset {
  border: none;
  margin: 0;
  padding: 0;
}

.form-row {
  display: flex;
  gap: 1rem;
}

.form-row > .form-group {
  flex: 1;
}


/* Client search autocomplete */
.client-search-results {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  z-index: 20;
  max-height: 240px;
  overflow-y: auto;
  background: var(--surface-card);
  border: 1px solid var(--border);
  border-top: none;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  box-shadow: var(--shadow-md);
  list-style: none;
  margin: 0;
  padding: 0;
}

.client-search-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.625rem 0.75rem;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.client-search-item:hover {
  background: var(--terracotta-faint);
}


/* --- 12. Dialogs --- */

dialog {
  border: none;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 0;
  max-width: 440px;
  width: 90%;
  background: var(--surface-card);
}

dialog::backdrop {
  background: rgba(28, 25, 23, 0.5);
  backdrop-filter: blur(4px);
}

.dialog-header {
  padding: 1.5rem 1.5rem 0;
}

.dialog-header h2 {
  font-size: 1.125rem;
}

.dialog-body {
  padding: 0.75rem 1.5rem;
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

.dialog-footer {
  padding: 1rem 1.5rem 1.5rem;
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
}


/* --- 13. Detail View --- */

.detail-grid {
  display: grid;
  grid-template-columns: 140px 1fr;
}

.detail-grid dt {
  padding: 0.75rem 1rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--border-muted);
  display: flex;
  align-items: center;
}

.detail-grid dd {
  padding: 0.75rem 1rem;
  font-size: 0.9375rem;
  border-bottom: 1px solid var(--border-muted);
}

.detail-uuid {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.detail-amount {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--terracotta);
}


/* --- 14. Status & Sync --- */

.status-indicator {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.8125rem;
  font-weight: 500;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.status-dot--ok { background: var(--success); }
.status-dot--error { background: var(--danger); }
.status-dot--warning { background: var(--warning); }
.status-dot--loading {
  background: var(--terracotta);
  animation: pulse 1.5s ease-in-out infinite;
}

.sync-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.sync-option {
  padding: 1rem;
  min-height: 48px;
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
}

.sync-option:hover {
  border-color: var(--terracotta-light);
  background: var(--terracotta-faint);
}

.sync-option.selected {
  border-color: var(--terracotta);
  background: var(--terracotta-faint);
}

.sync-option-label {
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--text-primary);
}

.sync-option-desc {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  margin-top: 0.25rem;
}


/* --- 15. Settings --- */

.settings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}

.cert-card {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.cert-tipo {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--terracotta);
  font-weight: 600;
}

.cert-nombre {
  font-size: 0.9375rem;
  font-weight: 500;
}

.cert-meta {
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.credential-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border-muted);
}

.credential-label {
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.credential-value {
  font-size: 0.8125rem;
  font-weight: 500;
}


/* --- 16. Empty states --- */

.empty-state {
  text-align: center;
  padding: 3rem 1rem;
}

.empty-state-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 1rem;
  color: var(--text-tertiary);
  opacity: 0.4;
}

.empty-state-text {
  font-size: 0.9375rem;
  color: var(--text-tertiary);
  margin-bottom: 1.5rem;
}


/* --- 17. Filters --- */

.filters-bar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1.5rem;
  border-bottom: 1px solid var(--border-muted);
  flex-wrap: wrap;
}

.filter-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.375rem 0.75rem;
  min-height: 36px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--surface-card);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.filter-chip:hover,
.filter-chip.active {
  border-color: var(--terracotta);
  color: var(--terracotta);
  background: var(--terracotta-faint);
}

.search-input {
  padding: 0.375rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  font-family: var(--font-body);
  width: 220px;
  transition: all var(--transition-fast);
}

.search-input:focus {
  outline: none;
  border-color: var(--terracotta);
  box-shadow: 0 0 0 3px var(--terracotta-light);
}


/* --- 18. Clientes --- */

.cliente-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1rem;
}

.cliente-card {
  padding: 1rem 1.25rem;
  background: var(--surface-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.cliente-card:hover {
  border-color: var(--terracotta-light);
  box-shadow: var(--shadow-sm);
}

.cliente-rfc {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--terracotta);
  font-weight: 500;
}

.cliente-nombre {
  font-size: 0.9375rem;
  font-weight: 500;
  margin-top: 0.25rem;
}

.cliente-meta {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  margin-top: 0.375rem;
}


/* --- 19. Loading --- */

.loading-bar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  z-index: 100;
  overflow: hidden;
  opacity: 0;
  transition: opacity var(--transition-fast);
  pointer-events: none;
}

.loading-bar.active {
  opacity: 1;
}

.loading-bar::after {
  content: '';
  display: block;
  height: 100%;
  width: 40%;
  background: linear-gradient(90deg, transparent, var(--terracotta), transparent);
  animation: shimmer 1.2s ease-in-out infinite;
}

@keyframes shimmer {
  0% { transform: translateX(-150%); }
  100% { transform: translateX(400%); }
}

/* Alert banners (HTMX result partials) */
.alert {
  padding: 1.25rem 1.5rem;
  border-left: 4px solid transparent;
  border-radius: var(--radius-md);
  animation: fadeInUp 0.3s ease-out;
}

.alert--success {
  border-left-color: var(--success);
  background: var(--success-light);
}

.alert--error {
  border-left-color: var(--danger);
  background: var(--danger-light);
}

.alert-title {
  font-weight: 600;
}

.alert--success .alert-title { color: #3F6212; }
.alert--error .alert-title { color: #991B1B; }

.alert-body {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-top: 0.25rem;
}

.alert--inset {
  margin: 0 1.5rem 1.5rem;
}

/* Pagination */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border-muted);
}

.pagination-info {
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

/* Success toast (inline result banner) */
.toast {
  animation: fadeInUp 0.3s ease-out;
}

.toast-title {
  font-weight: 600;
  font-size: 0.875rem;
  margin-bottom: 0.25rem;
}

.toast-body {
  font-size: 0.8125rem;
  color: var(--text-secondary);
}


/* --- 20. Animations --- */

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeOut {
  to {
    opacity: 0;
    transform: translateY(-8px);
  }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* HTMX swap transitions */
.htmx-swapping {
  opacity: 0;
  transition: opacity 0.1s ease-out;
}

/* Respect reduced motion preference (WCAG 2.2) */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}


/* --- 21. Dark Mode --- */

[data-theme="dark"] {
  --surface-ground: #1A1A1A;
  --surface-card: #262626;
  --surface-sidebar: #111111;
  --surface-sidebar-hover: #1F1F1F;
  --surface-sidebar-active: rgba(194,112,78,0.18);

  --text-primary: #FAFAF9;
  --text-secondary: #A8A29E;
  --text-tertiary: #78716C;
  --text-inverse: #FAFAF9;
  --text-inverse-muted: #A8A29E;

  --terracotta: #D4845E;
  --terracotta-hover: #C2704E;
  --terracotta-light: rgba(194,112,78,0.2);
  --terracotta-faint: rgba(194,112,78,0.08);

  --teal: #2DD4BF;
  --teal-light: rgba(45,212,191,0.15);
  --teal-dark: #5EEAD4;

  --success: #84CC16;
  --success-light: rgba(132,204,22,0.15);
  --danger: #F87171;
  --danger-light: rgba(248,113,113,0.15);
  --warning: #FBBF24;
  --warning-light: rgba(251,191,36,0.15);

  --border: #3F3F3F;
  --border-muted: #333333;

  --shadow-xs: 0 1px 2px rgba(0,0,0,0.2);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3), 0 1px 2px rgba(0,0,0,0.2);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.3), 0 2px 4px rgba(0,0,0,0.2);
  --shadow-lg: 0 10px 15px rgba(0,0,0,0.3), 0 4px 6px rgba(0,0,0,0.2);
}

[data-theme="dark"] .badge--emitido {
  background: rgba(45,212,191,0.15);
  color: var(--teal);
}

[data-theme="dark"] .badge--recibido {
  background: rgba(251,191,36,0.15);
  color: var(--warning);
}

[data-theme="dark"] .badge--vigente {
  background: rgba(132,204,22,0.15);
  color: var(--success);
}

[data-theme="dark"] .badge--cancelado {
  background: rgba(248,113,113,0.15);
  color: var(--danger);
}

[data-theme="dark"] .form-input--readonly {
  background: var(--surface-ground);
}

[data-theme="dark"] dialog::backdrop {
  background: rgba(0, 0, 0, 0.7);
}

[data-theme="dark"] .sidebar {
  background-image:
    linear-gradient(30deg, rgba(255,255,255,0.02) 25%, transparent 25%),
    linear-gradient(-30deg, rgba(255,255,255,0.02) 25%, transparent 25%);
}

[data-theme="dark"] .logo-mark {
  background: linear-gradient(135deg, var(--terracotta), #E8A88C);
}

[data-theme="dark"] .alert--success .alert-title { color: #BEF264; }
[data-theme="dark"] .alert--error .alert-title { color: #FCA5A5; }

/* Theme toggle */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.theme-toggle:hover {
  background: var(--surface-ground);
  color: var(--text-primary);
}

.theme-toggle svg {
  width: 18px;
  height: 18px;
}

.theme-toggle .icon-moon { display: none; }
[data-theme="dark"] .theme-toggle .icon-sun { display: none; }
[data-theme="dark"] .theme-toggle .icon-moon { display: block; }


/* --- 21b. Login Page --- */

.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: var(--surface-ground);
}

.login-card {
  max-width: 400px;
  width: 100%;
  margin: 1rem;
}

.login-card .card-body {
  padding: 2.5rem;
}

.login-header {
  text-align: center;
  margin-bottom: 2rem;
}

.login-logo {
  width: 48px;
  height: 48px;
  margin-bottom: 1rem;
}

.login-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.login-subtitle {
  color: var(--text-secondary);
  margin-top: 0.5rem;
  font-size: 0.875rem;
}

.login-error {
  background: var(--danger-bg, #fef2f2);
  border: 1px solid var(--danger-border, #fecaca);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  margin-bottom: 1.5rem;
  color: var(--danger-text, #dc2626);
  font-size: 0.875rem;
}

.login-fields {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.login-submit {
  width: 100%;
  margin-top: 0.5rem;
}

.login-footer {
  text-align: center;
  margin-top: 1.5rem;
}

.login-back-link {
  color: var(--text-secondary);
  font-size: 0.8rem;
  text-decoration: none;
}


/* --- 22. Utilities --- */

.flex { display: flex; }
.flex-col { display: flex; flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.text-sm { font-size: 0.8125rem; }
.text-xs { font-size: 0.75rem; }
.text-muted { color: var(--text-secondary); }
.text-right { text-align: right; }
.w-full { width: 100%; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}
.uppercase { text-transform: uppercase; }


/* --- 23. Bottom Navigation (Mobile) --- */

.bottom-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background: var(--surface-card);
  border-top: 1px solid var(--border);
  padding-bottom: env(safe-area-inset-bottom, 0);
}

.bottom-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.125rem;
  min-height: 56px;
  min-width: 64px;
  padding: 0.375rem 0.5rem;
  font-size: 0.625rem;
  font-weight: 500;
  color: var(--text-tertiary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.bottom-nav-item svg {
  width: 22px;
  height: 22px;
}

.bottom-nav-item:hover,
.bottom-nav-item.active,
body[data-nav="home"] [data-nav="home"].bottom-nav-item,
body[data-nav="cfdis"] [data-nav="cfdis"].bottom-nav-item,
body[data-nav="new"] [data-nav="new"].bottom-nav-item,
body[data-nav="sync"] [data-nav="sync"].bottom-nav-item {
  color: var(--terracotta);
}

.bottom-nav-item.active,
body[data-nav="home"] [data-nav="home"].bottom-nav-item,
body[data-nav="cfdis"] [data-nav="cfdis"].bottom-nav-item,
body[data-nav="new"] [data-nav="new"].bottom-nav-item,
body[data-nav="sync"] [data-nav="sync"].bottom-nav-item {
  font-weight: 600;
}


/* --- 24. Mobile CFDI Cards --- */

.cfdi-card-list {
  display: none;
}

.cfdi-mobile-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.875rem 1.25rem;
  border-bottom: 1px solid var(--border-muted);
  text-decoration: none;
  color: inherit;
  transition: background var(--transition-fast);
}

.cfdi-mobile-card:hover {
  background: var(--terracotta-faint);
  color: inherit;
}

.cfdi-mobile-left {
  flex: 1;
  min-width: 0;
}

.cfdi-mobile-name {
  font-size: 0.875rem;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.cfdi-mobile-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.25rem;
  font-size: 0.75rem;
  color: var(--text-tertiary);
}

.cfdi-mobile-right {
  text-align: right;
  flex-shrink: 0;
}

.cfdi-mobile-amount {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 600;
}

.cfdi-mobile-status {
  margin-top: 0.25rem;
}


/* --- 25. Responsive --- */

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  min-height: 44px;
  min-width: 44px;
  color: var(--text-primary);
  border-radius: var(--radius-sm);
}

.menu-toggle:hover {
  background: var(--surface-ground);
}

.menu-toggle svg {
  width: 24px;
  height: 24px;
}

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(28, 25, 23, 0.5);
  z-index: 35;
}

@media (max-width: 1024px) {
  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.sidebar--open {
    transform: translateX(0);
  }

  .sidebar-overlay.show {
    display: block;
  }

  .main-content {
    margin-left: 0;
    padding-bottom: calc(56px + env(safe-area-inset-bottom, 0px));
  }

  .bottom-nav {
    display: flex;
    justify-content: space-around;
  }

  .menu-toggle {
    display: flex;
  }

  .page-header {
    padding: 1rem 1.25rem;
  }

  .content-body {
    padding: 1.25rem;
  }

  .form-grid--2col {
    grid-template-columns: 1fr;
  }

  .summary-grid {
    grid-template-columns: 1fr 1fr;
  }

  .detail-grid {
    grid-template-columns: 1fr;
  }

  .detail-grid dt {
    border-bottom: none;
    padding-bottom: 0.125rem;
  }

  .detail-grid dd {
    padding-top: 0;
    padding-left: 1rem;
  }

  .sync-card {
    grid-template-columns: 1fr;
  }

  .settings-grid {
    grid-template-columns: 1fr;
  }

  .form-row {
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  .summary-grid {
    grid-template-columns: 1fr;
  }

  .filters-bar {
    padding: 0.75rem 1rem;
  }

  .search-input {
    width: 100%;
  }

  .cliente-grid {
    grid-template-columns: 1fr;
  }

  /* R7: Switch CFDI table to card layout on small screens */
  .data-table-wrapper.cfdi-table .data-table {
    display: none;
  }

  .cfdi-card-list {
    display: block;
  }

  /* R8: Toast fixed above bottom nav on mobile */
  .toast {
    position: fixed;
    bottom: 72px;
    left: 1rem;
    right: 1rem;
    z-index: 100;
    animation: slideUp 0.3s ease-out;
  }
}