/* ==============================================================================
   PrintelAP - Sistema de Diseño Empresarial
   Diseñado bajo estándares de ingeniería de diseño (Emil Kowalski / Impeccable)
   Objetivo: Herramienta financiera/BI sobria, de alta densidad y máxima legibilidad.
   ============================================================================== */

:root {
  /* Paleta Corporativa Printel */
  --brand-navy: #0e294b;
  --brand-navy-dark: #091a30;
  --brand-navy-light: #163c6c;
  --brand-blue: #0070ba;
  --brand-blue-hover: #005a96;
  --brand-teal: #0891b2;

  /* Superficies y Neutros */
  --bg-app: #f4f6f9;
  --bg-surface: #ffffff;
  --bg-subtle: #f8fafc;
  --bg-hover: #f1f5f9;
  --bg-active: #e2e8f0;

  /* Bordes */
  --border-subtle: #e2e8f0;
  --border-default: #cbd5e1;
  --border-strong: #94a3b8;
  --border-focus: #0070ba;

  /* Tipografía y Contraste */
  --text-main: #0f172a;
  --text-muted: #475569;
  --text-subtle: #64748b;
  --text-inverse: #ffffff;

  /* Estados Semánticos Muted */
  --status-healthy-bg: #ecfdf5;
  --status-healthy-text: #047857;
  --status-healthy-border: #a7f3d0;

  --status-warning-bg: #fffbeb;
  --status-warning-text: #b45309;
  --status-warning-border: #fde68a;

  --status-danger-bg: #fef2f2;
  --status-danger-text: #b91c1c;
  --status-danger-border: #fecaca;

  --status-info-bg: #f0f9ff;
  --status-info-text: #0369a1;
  --status-info-border: #bae6fd;

  /* Sistema de Espaciado (Escala 4px) */
  --sp-1: 4px;
  --sp-2: 8px;
  --sp-3: 12px;
  --sp-4: 16px;
  --sp-5: 20px;
  --sp-6: 24px;
  --sp-8: 32px;

  /* Elevaciones Funcionales */
  --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.08), 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.08), 0 2px 4px -2px rgba(15, 23, 42, 0.04);

  /* Transiciones con Curvas Específicas (Emil Philosophy: ease-out, no generic all) */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --duration-fast: 150ms;
  --duration-normal: 200ms;

  /* Dimensiones del Shell */
  --sidebar-width: 260px;
  --header-height: 60px;
}

/* --------------------------------------------------------------------------
   Tipografía Base y Resets
   -------------------------------------------------------------------------- */
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--text-main);
  background-color: var(--bg-app);
  font-size: 0.875rem; /* 14px base para mayor densidad de información */
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Números tabulares para datos financieros */
.font-tabular {
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum";
}

/* --------------------------------------------------------------------------
   Estructura del Layout (Shell)
   -------------------------------------------------------------------------- */
.app-wrapper {
  display: flex;
  min-height: 100vh;
  background-color: var(--bg-app);
}

/* Sidebar */
.app-sidebar {
  width: var(--sidebar-width);
  background-color: var(--brand-navy);
  color: var(--text-inverse);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  transition: transform var(--duration-normal) var(--ease-out);
  z-index: 1040;
  border-right: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar-header {
  height: var(--header-height);
  display: flex;
  align-items: center;
  padding: 0 var(--sp-4);
  background-color: var(--brand-navy-dark);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  text-decoration: none;
  color: #ffffff;
}

.sidebar-brand img {
  width: 32px;
  height: 32px;
  object-fit: contain;
}

.sidebar-brand-title {
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  color: #ffffff;
}

.sidebar-brand-subtitle {
  font-size: 0.7rem;
  color: #94a3b8;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: block;
}

.sidebar-nav {
  flex: 1;
  padding: var(--sp-4) var(--sp-3);
  overflow-y: auto;
}

.nav-section-title {
  font-size: 0.675rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #64748b;
  margin: var(--sp-4) var(--sp-3) var(--sp-2) var(--sp-3);
}

.nav-item-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  border-radius: 6px;
  color: #cbd5e1;
  text-decoration: none;
  font-weight: 500;
  font-size: 0.825rem;
  margin-bottom: 2px;
  transition: background-color var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out);
}

.nav-item-link:hover {
  background-color: rgba(255, 255, 255, 0.08);
  color: #ffffff;
}

.nav-item-link.active {
  background-color: var(--brand-blue);
  color: #ffffff;
  font-weight: 600;
}

.nav-item-link.disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.nav-item-content {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.nav-icon {
  width: 18px;
  height: 18px;
  opacity: 0.85;
}

.sidebar-footer {
  padding: var(--sp-3) var(--sp-4);
  background-color: var(--brand-navy-dark);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

/* Área de Contenido Principal */
.app-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

/* Header Superior */
.app-header {
  height: var(--header-height);
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--sp-6);
  position: sticky;
  top: 0;
  z-index: 1020;
  box-shadow: var(--shadow-xs);
}

.header-left {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
}

.company-brand-logo {
  height: 30px;
  width: auto;
  object-fit: contain;
}

.header-divider {
  width: 1px;
  height: 24px;
  background-color: var(--border-subtle);
}

.header-right {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

/* Cuerpo de Contenido */
.app-content {
  flex: 1;
  padding: var(--sp-6);
  max-width: 1600px;
  width: 100%;
  margin: 0 auto;
}

/* Footer Corporativo */
.app-footer {
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  padding: var(--sp-3) var(--sp-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.775rem;
  color: var(--text-muted);
}

.footer-developer-badge {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  text-decoration: none;
  color: var(--text-muted);
}

.footer-developer-badge img {
  height: 20px;
  width: auto;
  object-fit: contain;
}

/* --------------------------------------------------------------------------
   Componentes de Diseño (Cards, Badges, Botones, Tablas)
   -------------------------------------------------------------------------- */

/* Tarjetas de Datos / Paneles */
.panel-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  box-shadow: var(--shadow-xs);
  margin-bottom: var(--sp-5);
  overflow: hidden;
}

.panel-card-header {
  padding: var(--sp-4) var(--sp-5);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: var(--bg-subtle);
}

.panel-card-title {
  font-size: 0.95rem;
  font-weight: 600;
  margin: 0;
  color: var(--text-main);
  letter-spacing: -0.01em;
}

.panel-card-body {
  padding: var(--sp-5);
}

/* Botones con Retroalimentación :active según Emil Kowalski */
.btn {
  font-size: 0.825rem;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 6px;
  transition: transform var(--duration-fast) var(--ease-out), background-color var(--duration-fast) var(--ease-out), border-color var(--duration-fast) var(--ease-out);
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background-color: var(--brand-blue);
  border-color: var(--brand-blue);
  color: #ffffff;
}

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

.btn-primary:focus-visible {
  box-shadow: 0 0 0 3px rgba(0, 112, 186, 0.25);
}

.btn-secondary {
  background-color: #ffffff;
  border: 1px solid var(--border-default);
  color: var(--text-main);
}

.btn-secondary:hover {
  background-color: var(--bg-hover);
  border-color: var(--border-strong);
}

/* Tablas Financieras Densas y Claras */
.table-finance-wrapper {
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  overflow: hidden;
  background: #ffffff;
}

.table-finance {
  width: 100%;
  margin-bottom: 0;
  font-size: 0.8125rem;
  border-collapse: collapse;
}

.table-finance thead th {
  background-color: var(--bg-subtle);
  color: var(--text-subtle);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border-default);
  white-space: nowrap;
}

.table-finance tbody td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-main);
  vertical-align: middle;
}

.table-finance tbody tr:hover {
  background-color: var(--bg-hover);
}

.table-finance td.num,
.table-finance th.num {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

/* Badges Semánticos Sutiles */
.badge-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

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

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

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

.badge-status.neutral {
  background-color: var(--bg-hover);
  color: var(--text-subtle);
  border: 1px solid var(--border-subtle);
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: currentColor;
}

/* Alerts Profesionales */
.alert-pro {
  padding: var(--sp-4);
  border-radius: 6px;
  font-size: 0.85rem;
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  margin-bottom: var(--sp-4);
}

.alert-pro.info {
  background-color: var(--status-info-bg);
  color: var(--status-info-text);
  border: 1px solid var(--status-info-border);
}

.alert-pro.warning {
  background-color: var(--status-warning-bg);
  color: var(--status-warning-text);
  border: 1px solid var(--status-warning-border);
}

.alert-pro.danger {
  background-color: var(--status-danger-bg);
  color: var(--status-danger-text);
  border: 1px solid var(--status-danger-border);
}

/* Formularios e Inputs */
.form-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 4px;
}

.form-control, .form-select {
  font-size: 0.85rem;
  border: 1px solid var(--border-default);
  border-radius: 6px;
  padding: 6px 10px;
  color: var(--text-main);
  background-color: #ffffff;
  transition: border-color var(--duration-fast) var(--ease-out), box-shadow var(--duration-fast) var(--ease-out);
}

.form-control:focus, .form-select:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(0, 112, 186, 0.15);
  outline: none;
}

/* Modales */
.modal-content {
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  box-shadow: var(--shadow-md);
}

.modal-header {
  border-bottom: 1px solid var(--border-subtle);
  padding: var(--sp-4) var(--sp-5);
  background-color: var(--bg-subtle);
}

.modal-footer {
  border-top: 1px solid var(--border-subtle);
  padding: var(--sp-3) var(--sp-5);
  background-color: var(--bg-subtle);
}

/* Estados Vacíos y Carga */
.empty-state {
  text-align: center;
  padding: var(--sp-8) var(--sp-4);
}

.empty-state-icon {
  width: 48px;
  height: 48px;
  color: var(--text-subtle);
  margin-bottom: var(--sp-3);
  opacity: 0.6;
}

.empty-state-title {
  font-weight: 600;
  font-size: 1rem;
  color: var(--text-main);
  margin-bottom: var(--sp-1);
}

.empty-state-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  max-width: 400px;
  margin: 0 auto;
}

/* --------------------------------------------------------------------------
   Responsive y Drawer Móvil
   -------------------------------------------------------------------------- */
@media (max-width: 992px) {
  .app-sidebar {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    transform: translateX(-100%);
  }

  .app-sidebar.show {
    transform: translateX(0);
    box-shadow: var(--shadow-md);
  }

  .sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.5);
    z-index: 1030;
  }

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