/* ═══════════════════════════════════════════════════════
   AMICONTACT — Sistema Administrativo
   Paleta oficial
   ═══════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  /* Paleta principal */
  --color-primary:       #1e3a5f;
  --color-primary-light: #2d5282;
  --color-primary-dark:  #162d4a;
  --color-accent:        #dc2626;
  --color-accent-hover:  #b91c1c;

  /* Superficies */
  --color-bg:            #f1f5f9;
  --color-surface:       #ffffff;
  --color-surface-alt:   #f8fafc;
  --color-border:        #e2e8f0;
  --color-border-dark:   #cbd5e1;

  /* Texto */
  --color-text-primary:  #1e293b;
  --color-text-secondary:#64748b;
  --color-text-muted:    #94a3b8;
  --color-text-inverse:  #ffffff;

  /* Estados */
  --color-success:       #16a34a;
  --color-success-bg:    #dcfce7;
  --color-success-border:#bbf7d0;
  --color-warning:       #d97706;
  --color-warning-bg:    #fef3c7;
  --color-warning-border:#fde68a;
  --color-danger:        #dc2626;
  --color-danger-bg:     #fee2e2;
  --color-danger-border: #fecaca;
  --color-info:          #2563eb;
  --color-info-bg:       #dbeafe;
  --color-info-border:   #bfdbfe;
  --color-muted:         #94a3b8;
  --color-muted-bg:      #f1f5f9;

  /* Sidebar */
  --sidebar-width:       260px;
  --sidebar-bg:          #162d4a;
  --sidebar-text:        #cbd5e1;
  --sidebar-text-hover:  #ffffff;
  --sidebar-active-bg:   #1e3a5f;
  --sidebar-active-text: #ffffff;

  /* Tamaños */
  --header-height:       64px;
  --radius-sm:           4px;
  --radius:              8px;
  --radius-lg:           12px;
  --radius-xl:           16px;

  /* Sombras */
  --shadow-sm:  0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow:     0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --shadow-md:  0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg:  0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);

  /* Tipografía */
  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'Courier New', monospace;
}

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

html { font-size: 15px; }

body {
  font-family: var(--font);
  background: var(--color-bg);
  color: var(--color-text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { color: var(--color-primary-light); }

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

/* ─── Layout ─────────────────────────────────────────── */
.layout {
  display: flex;
  min-height: 100vh;
}

/* ─── Sidebar ────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-width);
  background: var(--sidebar-bg);
  color: var(--sidebar-text);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  z-index: 100;
  transition: transform 0.3s ease;
  overflow-y: auto;
  overflow-x: hidden;
}

.sidebar::-webkit-scrollbar { width: 4px; }
.sidebar::-webkit-scrollbar-thumb { background: var(--color-primary-light); border-radius: 4px; }

.sidebar__brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 20px 16px;
  border-bottom: 1px solid rgb(255 255 255 / 0.08);
}

.sidebar__logo {
  width: 36px;
  height: 36px;
  background: var(--color-accent);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.sidebar__logo img {
  width: 28px;
  height: 28px;
  object-fit: contain;
}

.sidebar__logo-placeholder {
  color: white;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.sidebar__title {
  font-size: 14px;
  font-weight: 700;
  color: white;
  letter-spacing: 0.5px;
}

.sidebar__subtitle {
  font-size: 10px;
  color: var(--sidebar-text);
  opacity: 0.7;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.sidebar__nav {
  flex: 1;
  padding: 12px 0;
}

.sidebar__section-label {
  font-size: 10px;
  font-weight: 600;
  color: var(--sidebar-text);
  opacity: 0.5;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  padding: 16px 20px 6px;
}

.sidebar__item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 20px;
  color: var(--sidebar-text);
  font-size: 13.5px;
  font-weight: 400;
  transition: background 0.15s, color 0.15s;
  cursor: pointer;
  border-left: 3px solid transparent;
}

.sidebar__item:hover {
  background: rgb(255 255 255 / 0.06);
  color: var(--sidebar-text-hover);
  border-left-color: rgb(255 255 255 / 0.2);
}

.sidebar__item.active {
  background: var(--sidebar-active-bg);
  color: var(--sidebar-active-text);
  border-left-color: var(--color-accent);
  font-weight: 500;
}

.sidebar__item svg,
.sidebar__item .icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  opacity: 0.85;
}

.sidebar__item.active svg,
.sidebar__item.active .icon { opacity: 1; }

.sidebar__badge {
  margin-left: auto;
  background: var(--color-accent);
  color: white;
  font-size: 10px;
  font-weight: 600;
  padding: 1px 7px;
  border-radius: 20px;
}

.sidebar__footer {
  padding: 16px 20px;
  border-top: 1px solid rgb(255 255 255 / 0.08);
}

.sidebar__user {
  display: flex;
  align-items: center;
  gap: 10px;
}

.sidebar__avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--color-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 600;
  color: white;
  flex-shrink: 0;
}

.sidebar__user-info { flex: 1; min-width: 0; }

.sidebar__user-name {
  font-size: 13px;
  font-weight: 500;
  color: white;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar__user-role {
  font-size: 11px;
  color: var(--sidebar-text);
  opacity: 0.7;
  text-transform: capitalize;
}

.sidebar__logout {
  color: var(--sidebar-text);
  opacity: 0.6;
  transition: opacity 0.15s;
  padding: 4px;
}
.sidebar__logout:hover { opacity: 1; color: var(--color-danger); }

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

/* ─── Header ─────────────────────────────────────────── */
.header {
  height: var(--header-height);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  padding: 0 28px;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: var(--shadow-sm);
}

.header__menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text-secondary);
  padding: 4px;
}

.header__title {
  font-size: 17px;
  font-weight: 600;
  color: var(--color-text-primary);
}

.header__breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--color-text-secondary);
}

.header__breadcrumb a { color: var(--color-text-secondary); }
.header__breadcrumb a:hover { color: var(--color-primary); }
.header__breadcrumb .sep { opacity: 0.4; }
.header__breadcrumb .current { color: var(--color-text-primary); font-weight: 500; }

.header__spacer { flex: 1; }

.header__actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ─── Página ─────────────────────────────────────────── */
.page {
  flex: 1;
  padding: 28px;
}

.page__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 24px;
  gap: 16px;
}

.page__title {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-text-primary);
}

.page__subtitle {
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-top: 2px;
}

.page__actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

/* ─── Tarjetas ───────────────────────────────────────── */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--color-border);
}

.card__title {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-primary);
}

.card__body { padding: 20px; }

.card__footer {
  padding: 12px 20px;
  border-top: 1px solid var(--color-border);
  background: var(--color-surface-alt);
}

/* ─── KPI Cards (Dashboard) ──────────────────────────── */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.kpi-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s;
}

.kpi-card:hover { box-shadow: var(--shadow-md); }

.kpi-card__label {
  font-size: 12px;
  font-weight: 500;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  margin-bottom: 8px;
}

.kpi-card__value {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-text-primary);
  letter-spacing: -0.5px;
}

.kpi-card__sub {
  font-size: 12px;
  color: var(--color-text-muted);
  margin-top: 4px;
}

.kpi-card--primary .kpi-card__value { color: var(--color-primary); }
.kpi-card--success .kpi-card__value { color: var(--color-success); }
.kpi-card--warning .kpi-card__value { color: var(--color-warning); }
.kpi-card--danger  .kpi-card__value { color: var(--color-danger); }
.kpi-card--info    .kpi-card__value { color: var(--color-info); }

/* ─── Botones ────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 18px;
  font-family: var(--font);
  font-size: 13.5px;
  font-weight: 500;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, box-shadow 0.15s, opacity 0.15s;
  white-space: nowrap;
  text-decoration: none;
}

.btn:disabled { opacity: 0.55; cursor: not-allowed; }

.btn svg { width: 15px; height: 15px; }

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

.btn-accent {
  background: var(--color-accent);
  color: white;
  border-color: var(--color-accent);
}
.btn-accent:hover:not(:disabled) {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: white;
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn-outline:hover:not(:disabled) {
  background: var(--color-primary);
  color: white;
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
  border-color: var(--color-border);
}
.btn-ghost:hover:not(:disabled) {
  background: var(--color-surface-alt);
  color: var(--color-text-primary);
}

.btn-danger {
  background: var(--color-danger);
  color: white;
  border-color: var(--color-danger);
}
.btn-danger:hover:not(:disabled) {
  background: #b91c1c;
  border-color: #b91c1c;
  color: white;
}

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

.btn-sm { padding: 6px 12px; font-size: 12.5px; }
.btn-sm svg { width: 13px; height: 13px; }

.btn-lg { padding: 11px 24px; font-size: 15px; }

.btn-icon {
  padding: 8px;
  border-radius: var(--radius);
}
.btn-icon svg { width: 16px; height: 16px; }

/* ─── Formularios ────────────────────────────────────── */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin-bottom: 16px;
}

.form-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-primary);
}

.form-label .req {
  color: var(--color-accent);
  margin-left: 2px;
}

.form-control {
  width: 100%;
  padding: 9px 12px;
  font-family: var(--font);
  font-size: 13.5px;
  color: var(--color-text-primary);
  background: var(--color-surface);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius);
  transition: border-color 0.15s, box-shadow 0.15s;
  outline: none;
}

.form-control:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgb(30 58 95 / 0.12);
}

.form-control:disabled,
.form-control[readonly] {
  background: var(--color-surface-alt);
  color: var(--color-text-secondary);
  cursor: not-allowed;
}

.form-control.error {
  border-color: var(--color-danger);
}
.form-control.error:focus {
  box-shadow: 0 0 0 3px rgb(220 38 38 / 0.12);
}

select.form-control { appearance: none; cursor: pointer; }

textarea.form-control { resize: vertical; min-height: 80px; }

.form-hint {
  font-size: 12px;
  color: var(--color-text-muted);
}

.form-error {
  font-size: 12px;
  color: var(--color-danger);
  display: flex;
  align-items: center;
  gap: 4px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0 20px;
}

.form-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0 20px;
}

.form-full { grid-column: 1 / -1; }

/* ─── Tablas ─────────────────────────────────────────── */
.table-container {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}

.table thead th {
  background: var(--color-surface-alt);
  padding: 11px 14px;
  text-align: left;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}

.table thead th:first-child { border-radius: var(--radius-lg) 0 0 0; }
.table thead th:last-child  { border-radius: 0 var(--radius-lg) 0 0; }

.table tbody tr {
  border-bottom: 1px solid var(--color-border);
  transition: background 0.1s;
}

.table tbody tr:last-child { border-bottom: none; }

.table tbody tr:hover { background: var(--color-surface-alt); }

.table tbody td {
  padding: 11px 14px;
  color: var(--color-text-primary);
  vertical-align: middle;
}

.table tbody td .text-muted {
  color: var(--color-text-muted);
  font-size: 12px;
}

.table-actions {
  display: flex;
  gap: 4px;
  align-items: center;
}

.table-empty {
  text-align: center;
  padding: 48px 20px;
  color: var(--color-text-muted);
}

.table-empty svg {
  width: 40px;
  height: 40px;
  opacity: 0.3;
  margin: 0 auto 12px;
}

.table-empty p { font-size: 14px; }

/* ─── Badges / Estados ───────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 9px;
  border-radius: 20px;
  font-size: 11.5px;
  font-weight: 600;
  white-space: nowrap;
}

.badge-success {
  background: var(--color-success-bg);
  color: var(--color-success);
  border: 1px solid var(--color-success-border);
}

.badge-warning {
  background: var(--color-warning-bg);
  color: var(--color-warning);
  border: 1px solid var(--color-warning-border);
}

.badge-danger {
  background: var(--color-danger-bg);
  color: var(--color-danger);
  border: 1px solid var(--color-danger-border);
}

.badge-info {
  background: var(--color-info-bg);
  color: var(--color-info);
  border: 1px solid var(--color-info-border);
}

.badge-muted {
  background: var(--color-muted-bg);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
}

.badge-primary {
  background: #dbeafe;
  color: var(--color-primary);
  border: 1px solid #bfdbfe;
}

/* ─── Alertas Flash ──────────────────────────────────── */
.alert {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 13px 16px;
  border-radius: var(--radius);
  border: 1px solid;
  font-size: 13.5px;
  margin-bottom: 16px;
}

.alert svg { width: 18px; height: 18px; flex-shrink: 0; margin-top: 1px; }

.alert-success {
  background: var(--color-success-bg);
  border-color: var(--color-success-border);
  color: #166534;
}

.alert-error {
  background: var(--color-danger-bg);
  border-color: var(--color-danger-border);
  color: #991b1b;
}

.alert-warning {
  background: var(--color-warning-bg);
  border-color: var(--color-warning-border);
  color: #92400e;
}

.alert-info {
  background: var(--color-info-bg);
  border-color: var(--color-info-border);
  color: #1e40af;
}

/* ─── Filtros ────────────────────────────────────────── */
.filters {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  margin-bottom: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: flex-end;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 160px;
}

.filter-group label {
  font-size: 12px;
  font-weight: 500;
  color: var(--color-text-secondary);
}

.filter-actions {
  display: flex;
  gap: 8px;
  margin-left: auto;
}

/* ─── Paginación ─────────────────────────────────────── */
.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-top: 1px solid var(--color-border);
  font-size: 13px;
}

.pagination__info { color: var(--color-text-secondary); }

.pagination__pages {
  display: flex;
  gap: 4px;
}

.pagination__page {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius);
  font-size: 13px;
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
  cursor: pointer;
  transition: all 0.15s;
}

.pagination__page:hover { background: var(--color-surface-alt); color: var(--color-text-primary); }
.pagination__page.active { background: var(--color-primary); color: white; border-color: var(--color-primary); font-weight: 600; }
.pagination__page:disabled { opacity: 0.4; cursor: not-allowed; }

/* ─── Modal ──────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgb(0 0 0 / 0.5);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.modal {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.96);
  transition: transform 0.2s;
}

.modal-overlay.open .modal { transform: scale(1); }

.modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px 16px;
  border-bottom: 1px solid var(--color-border);
}

.modal__title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text-primary);
}

.modal__close {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text-secondary);
  padding: 4px;
  border-radius: var(--radius-sm);
  transition: background 0.15s;
}
.modal__close:hover { background: var(--color-surface-alt); color: var(--color-text-primary); }

.modal__body { padding: 20px 24px; }

.modal__footer {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding: 16px 24px;
  border-top: 1px solid var(--color-border);
}

/* ─── Productos en formulario (líneas) ───────────────── */
.lineas-container {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 12px;
}

.lineas-header {
  display: grid;
  grid-template-columns: 1fr 100px 120px 120px 40px;
  gap: 0;
  background: var(--color-surface-alt);
  border-bottom: 1px solid var(--color-border);
  padding: 8px 12px;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--color-text-secondary);
  text-transform: uppercase;
}

.linea-item {
  display: grid;
  grid-template-columns: 1fr 100px 120px 120px 40px;
  gap: 0;
  align-items: center;
  padding: 8px 12px;
  border-bottom: 1px solid var(--color-border);
  transition: background 0.1s;
}

.linea-item:last-child { border-bottom: none; }
.linea-item:hover { background: var(--color-surface-alt); }

.linea-item .form-control { margin: 0; }

/* ─── Pagos combinados ───────────────────────────────── */
.pagos-container {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.pago-item {
  display: grid;
  grid-template-columns: 1fr 160px 40px;
  gap: 0;
  align-items: center;
  padding: 10px 14px;
  border-bottom: 1px solid var(--color-border);
}

.pago-item:last-child { border-bottom: none; }

.pagos-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 14px;
  background: var(--color-surface-alt);
  font-size: 13px;
  font-weight: 500;
}

.pagos-total .amount {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-text-primary);
}

.pagos-total .amount.ok    { color: var(--color-success); }
.pagos-total .amount.error { color: var(--color-danger); }

/* ─── Setup wizard ───────────────────────────────────── */
.setup-steps {
  display: flex;
  gap: 4px;
  margin-bottom: 32px;
}

.setup-step {
  flex: 1;
  height: 4px;
  background: var(--color-border);
  border-radius: 4px;
  overflow: hidden;
}

.setup-step.done { background: var(--color-success); }
.setup-step.active { background: var(--color-primary); }

.setup-container {
  max-width: 560px;
  margin: 60px auto;
  padding: 0 20px;
}

/* ─── Login ──────────────────────────────────────────── */
.login-wrapper {
  min-height: 100vh;
  background: var(--color-primary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.login-card {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  padding: 40px 40px 36px;
  width: 100%;
  max-width: 420px;
}

.login-logo {
  text-align: center;
  margin-bottom: 28px;
}

.login-logo .logo-mark {
  width: 52px;
  height: 52px;
  background: var(--color-accent);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
  font-size: 22px;
  font-weight: 700;
  color: white;
  letter-spacing: -1px;
}

.login-logo h1 {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-text-primary);
  letter-spacing: -0.5px;
}

.login-logo p {
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-top: 4px;
}

/* ─── Utilidades ─────────────────────────────────────── */
.text-right  { text-align: right; }
.text-center { text-align: center; }
.text-muted  { color: var(--color-text-muted); }
.text-sm     { font-size: 12.5px; }
.text-mono   { font-family: var(--font-mono); }
.font-bold   { font-weight: 700; }
.font-semibold { font-weight: 600; }

.d-flex       { display: flex; }
.align-center { align-items: center; }
.gap-8        { gap: 8px; }
.gap-12       { gap: 12px; }

.mt-0  { margin-top: 0; }
.mt-8  { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mb-0  { margin-bottom: 0; }
.mb-8  { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }

.divider {
  height: 1px;
  background: var(--color-border);
  margin: 20px 0;
}

.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ─── Responsive ─────────────────────────────────────── */
@media (max-width: 1024px) {
  .form-grid-3 { grid-template-columns: repeat(2, 1fr); }
  .kpi-grid    { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  :root { --sidebar-width: 0px; }

  .sidebar {
    transform: translateX(-260px);
    width: 260px;
  }

  .sidebar.open {
    transform: translateX(0);
    box-shadow: var(--shadow-lg);
  }

  .main-content { margin-left: 0; }

  .header__menu-btn { display: flex; }

  .page { padding: 16px; }

  .form-grid,
  .form-grid-3 { grid-template-columns: 1fr; }

  .kpi-grid { grid-template-columns: repeat(2, 1fr); }

  .filters { flex-direction: column; }
  .filter-actions { margin-left: 0; width: 100%; }

  .lineas-header,
  .linea-item {
    grid-template-columns: 1fr 80px 100px 100px 36px;
    font-size: 12px;
  }
}

@media (max-width: 480px) {
  .kpi-grid { grid-template-columns: 1fr; }
  .login-card { padding: 28px 24px; }
}