/*
 * ============================================================
 *  ZKTeco LATAM Hub — Sistema de Estilos Global
 *  assets/css/main.css
 *  Fuentes: Montserrat (headings) · Inter (body/tables)
 * ============================================================
 */

/* ── Google Fonts ─────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Montserrat:wght@500;600;700;800&display=swap');

/* ── Design Tokens ────────────────────────────────────────── */
:root {
  /* Colores primarios / acentos */
  --color-primary: #7ac143;
  --color-primary-dark: #5fa832;
  --color-primary-light: #a2d76d;
  --color-secondary: #53A67F;
  --color-accent: #038C3E;

  /* Fondos y neutros */
  --color-bg: #f4f6f9;
  --color-bg-dark: #2e2e2e;
  --color-surface: #ffffff;
  --color-border: #D9D9D9;
  --color-border-light: #ebebeb;

  /* Texto */
  --color-text-primary: #1a1a2e;
  --color-text-secondary: #5a6a7a;
  --color-text-muted: #9aacbb;
  --color-text-light: #ffffff;

  /* Estados */
  --color-success: #7ac143;
  --color-warning: #f5a623;
  --color-danger: #e74c3c;
  --color-info: #3498db;

  /* Sombras */
  --shadow-xs: 0 1px 3px rgba(0, 0, 0, .06);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, .08);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, .10);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, .14);
  --shadow-xl: 0 16px 60px rgba(0, 0, 0, .18);

  /* Bordes */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  /* Tipografía */
  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Transiciones */
  --transition-fast: 150ms ease;
  --transition-normal: 280ms ease;
  --transition-slow: 450ms ease;

  /* Layout */
  --sidebar-width: 260px;
  --topbar-height: 64px;
}

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: .9375rem;
  line-height: 1.65;
  color: var(--color-text-primary);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-text-primary);
}

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

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

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

input,
button,
textarea,
select {
  font-family: var(--font-body);
  font-size: inherit;
}

/* ── Scrollbar personalizado ──────────────────────────────── */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-muted);
}

/* ── Utilidades de texto ──────────────────────────────────── */
.text-primary {
  color: var(--color-primary) !important;
}

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

.text-muted {
  color: var(--color-text-muted) !important;
}

.text-danger {
  color: var(--color-danger) !important;
}

.fw-semibold {
  font-weight: 600 !important;
}

.font-heading {
  font-family: var(--font-heading) !important;
}

/* ── Card ─────────────────────────────────────────────────── */
.card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border-light);
  transition: box-shadow var(--transition-normal), transform var(--transition-normal);
}

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

.card-body {
  padding: 1.5rem;
}

.card-header {
  padding: 1.125rem 1.5rem;
  border-bottom: 1px solid var(--color-border-light);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: .95rem;
}

/* ── Botones ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .6rem 1.4rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: .875rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  text-decoration: none;
  line-height: 1.4;
  letter-spacing: .01em;
}

.btn:active {
  transform: scale(.97);
}

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

.btn-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  box-shadow: 0 4px 16px rgba(122, 193, 67, .35);
  color: #fff;
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: #fff;
}

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

.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
  border-color: transparent;
}

.btn-ghost:hover {
  background: var(--color-border-light);
  color: var(--color-text-primary);
}

.btn-lg {
  padding: .8rem 2rem;
  font-size: 1rem;
  border-radius: var(--radius-md);
}

.btn-sm {
  padding: .35rem .9rem;
  font-size: .8rem;
}

.btn-full {
  width: 100%;
  justify-content: center;
}

/* ── Formularios ─────────────────────────────────────────── */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  margin-bottom: .4rem;
  font-size: .8125rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  letter-spacing: .03em;
  text-transform: uppercase;
}

.form-control {
  display: block;
  width: 100%;
  padding: .7rem 1rem;
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-primary);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.form-control:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(122, 193, 67, .2);
}

.form-control::placeholder {
  color: var(--color-text-muted);
}

.form-control.is-invalid {
  border-color: var(--color-danger);
  box-shadow: 0 0 0 3px rgba(231, 76, 60, .15);
}

.input-group {
  position: relative;
  display: flex;
  align-items: center;
}

.input-group .form-control {
  padding-left: 2.75rem;
}

.input-group .input-icon {
  position: absolute;
  left: .9rem;
  color: var(--color-text-muted);
  pointer-events: none;
  font-size: 1rem;
}

.input-group .input-toggle {
  position: absolute;
  right: .9rem;
  color: var(--color-text-muted);
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
  line-height: 1;
  transition: color var(--transition-fast);
}

.input-group .input-toggle:hover {
  color: var(--color-text-primary);
}

/* ── Badge ────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: .25rem .7rem;
  border-radius: var(--radius-full);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .02em;
}

.badge-success {
  background: rgba(122, 193, 67, .15);
  color: var(--color-accent);
}

.badge-warning {
  background: rgba(245, 166, 35, .15);
  color: #c87f00;
}

.badge-danger {
  background: rgba(231, 76, 60, .15);
  color: var(--color-danger);
}

.badge-info {
  background: rgba(52, 152, 219, .15);
  color: var(--color-info);
}

.badge-neutral {
  background: var(--color-border);
  color: var(--color-text-secondary);
}

/* ── Alerts inline ────────────────────────────────────────── */
.alert {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .875rem 1rem;
  border-radius: var(--radius-sm);
  font-size: .875rem;
  font-weight: 500;
  border-left: 4px solid transparent;
}

.alert-danger {
  background: rgba(231, 76, 60, .08);
  border-color: var(--color-danger);
  color: var(--color-danger);
}

.alert-success {
  background: rgba(122, 193, 67, .1);
  border-color: var(--color-primary);
  color: var(--color-accent);
}

/* ── Spinner ──────────────────────────────────────────────── */
.spinner {
  width: 20px;
  height: 20px;
  border: 2.5px solid rgba(255, 255, 255, .4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .65s linear infinite;
  flex-shrink: 0;
}

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

/* ── Animations ───────────────────────────────────────────── */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

.animate-fade-in-up {
  animation: fadeInUp .5s ease both;
}

.animate-fade-in {
  animation: fadeIn .35s ease both;
}

/* ── Layout Auth (páginas de login, etc.) ─────────────────── */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background: #1a1a2e;
  position: relative;
  overflow: hidden;
}

.auth-page::before {
  content: '';
  position: absolute;
  inset: 0;
  background: #1a1a2e;
  pointer-events: none;
}

.auth-card {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 460px;
  background: rgba(255, 255, 255, .97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl), 0 0 0 1px rgba(255, 255, 255, .5);
  padding: 2.75rem 2.5rem;
  animation: fadeInUp .55s ease both;
}

.auth-logo-wrap {
  text-align: center;
  margin-bottom: 2rem;
}

.auth-logo-wrap img {
  height: 40px;
  margin: 0 auto 1rem;
}

.auth-logo-wrap h1 {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--color-text-primary);
  letter-spacing: -.02em;
}

.auth-logo-wrap p {
  font-size: .85rem;
  color: var(--color-text-secondary);
  margin-top: .2rem;
}

.auth-divider {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 1.5rem 0;
  color: var(--color-text-muted);
  font-size: .8rem;
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-border);
}

/* versión decorativa del footer de la auth page */
.auth-footer {
  text-align: center;
  margin-top: 1.75rem;
  font-size: .78rem;
  color: var(--color-text-muted);
}

/* ── Responsive helpers ───────────────────────────────────── */
@media (max-width: 480px) {
  .auth-card {
    padding: 2rem 1.5rem;
    border-radius: var(--radius-lg);
  }
}

/* =============================================================
   DASHBOARD LAYOUT — App Shell
   ============================================================= */

/* ── Estructura raíz ──────────────────────────────────────── */
.app-shell {
  display: flex;
  min-height: 100vh;
  background: var(--color-bg);
}

/* =============================================================
   SIDEBAR
   ============================================================= */
.sidebar {
  width: var(--sidebar-width);
  max-width: 260px;
  min-height: 100vh;
  background: var(--color-bg-dark);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 300;
  transition: transform var(--transition-normal), width var(--transition-normal);
  overflow: hidden;
}

/* Logo / Branding */
.sidebar-brand {
  display: flex;
  align-items: center;
  gap: .85rem;
  padding: 1.25rem 1.4rem 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, .07);
  text-decoration: none;
  flex-shrink: 0;
}

.sidebar-brand-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: .95rem;
  color: #fff;
  flex-shrink: 0;
}

.sidebar-brand-logo {
  max-width: 110px;
  max-height: 40px;
  object-fit: contain;
  flex-shrink: 0;
}

.sidebar-brand-text strong {
  display: block;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: .9rem;
  color: #fff;
  letter-spacing: -.01em;
  line-height: 1.2;
}

.sidebar-brand-text span {
  font-size: .72rem;
  color: rgba(255, 255, 255, .4);
  letter-spacing: .05em;
  text-transform: uppercase;
}

/* Sección de usuario en sidebar */
.sidebar-user {
  display: flex;
  align-items: center;
  gap: .8rem;
  padding: 1rem 1.4rem;
  border-bottom: 1px solid rgba(255, 255, 255, .07);
  flex-shrink: 0;
}

.sidebar-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-secondary), var(--color-primary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: .85rem;
  color: #fff;
  flex-shrink: 0;
}

.sidebar-user-info {
  overflow: hidden;
}

.sidebar-user-name {
  font-size: .825rem;
  font-weight: 600;
  color: rgba(255, 255, 255, .9);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.25;
}

.sidebar-user-role {
  font-size: .72rem;
  color: var(--color-primary);
  font-weight: 600;
  letter-spacing: .02em;
}

/* Navegación */
.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: .75rem 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sidebar-nav::-webkit-scrollbar {
  width: 4px;
}

.sidebar-nav::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, .1);
}

.nav-section-label {
  padding: .75rem 1.4rem .3rem;
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .2);
}

.nav-item {
  display: flex;
  align-items: center;
  gap: .8rem;
  padding: .65rem 1.4rem;
  margin: 0 .6rem;
  border-radius: var(--radius-sm);
  color: rgba(255, 255, 255, .55);
  font-size: .875rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  position: relative;
}

.nav-item i {
  font-size: 1.1rem;
  flex-shrink: 0;
  width: 20px;
  text-align: center;
  transition: color var(--transition-fast);
}

.nav-item:hover {
  background: rgba(255, 255, 255, .07);
  color: rgba(255, 255, 255, .9);
}

.nav-item.active {
  background: linear-gradient(90deg, rgba(122, 193, 67, .2) 0%, rgba(122, 193, 67, .08) 100%);
  color: var(--color-primary);
  font-weight: 600;
}

.nav-item.active i {
  color: var(--color-primary);
}

.nav-item.active::before {
  content: '';
  position: absolute;
  left: -0.6rem;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 60%;
  background: var(--color-primary);
  border-radius: 0 4px 4px 0;
}

.nav-item-badge {
  margin-left: auto;
  background: var(--color-danger);
  color: #fff;
  font-size: .65rem;
  font-weight: 700;
  padding: .15rem .45rem;
  border-radius: var(--radius-full);
  min-width: 18px;
  text-align: center;
}

/* ── Submenus del Sidebar ─────────────────────────────────── */
.nav-dropdown {
  display: flex;
  flex-direction: column;
}

.nav-item.has-submenu .submenu-icon {
  font-size: .65rem;
  margin-left: auto;
  transition: transform var(--transition-normal);
  color: rgba(255, 255, 255, .25);
}

.nav-item.has-submenu.open .submenu-icon {
  transform: rotate(180deg);
}

.nav-submenu {
  display: none;
  padding: .4rem 0 .5rem 2.8rem;
}

.nav-item.has-submenu.open + .nav-submenu {
  display: block !important;
}

.nav-subitem {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: .85rem;
  color: rgba(255, 255, 255, .4);
  padding: .4rem .8rem;
  text-decoration: none;
  transition: all var(--transition-fast);
  width: 100%;
}

.nav-subitem:hover {
  color: #fff;
  background: rgba(255, 255, 255, .05);
  border-radius: var(--radius-sm);
}

.nav-subitem.active {
  color: var(--color-primary);
  font-weight: 600;
}

.nav-subitem.active::before {
  content: '';
  position: absolute;
  left: -1rem;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 4px;
  background: var(--color-primary);
  border-radius: 50%;
  box-shadow: 0 0 6px var(--color-primary);
}

/* Footer del sidebar */
.sidebar-footer {
  padding: .875rem 1rem;
  border-top: 1px solid rgba(255, 255, 255, .07);
  flex-shrink: 0;
}

.sidebar-footer .nav-item {
  margin: 0;
  color: rgba(255, 255, 255, .35);
  font-size: .825rem;
}

.sidebar-footer .nav-item:hover {
  color: var(--color-danger);
  background: rgba(231, 76, 60, .1);
}

/* =============================================================
   TOPBAR
   ============================================================= */
.app-content {
  margin-left: var(--sidebar-width);
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  transition: margin-left var(--transition-normal);
}

.topbar {
  height: var(--topbar-height);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border-light);
  display: flex;
  align-items: center;
  padding: 0 1.75rem;
  gap: 1rem;
  position: sticky;
  top: 0;
  z-index: 200;
  box-shadow: var(--shadow-xs);
}

  .topbar-hamburger {
    display: none;
    background: none;
    border: none;
    padding: .4rem;
    cursor: pointer;
    color: var(--color-text-secondary);
    font-size: 1.4rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
  }

  .topbar-hamburger:hover {
    background: var(--color-bg);
    color: var(--color-text-primary);
  }

  .topbar-breadcrumb {
    display: flex;
    align-items: center;
    gap: .5rem;
    font-size: .82rem;
    color: var(--color-text-muted);
  }

  .topbar-breadcrumb strong {
    color: var(--color-text-primary);
    font-weight: 600;
    font-family: var(--font-heading);
    font-size: .9rem;
  }

  .topbar-breadcrumb .bi-chevron-right {
    font-size: .7rem;
  }

  .topbar-spacer {
    flex: 1;
  }

  .topbar-actions {
    display: flex;
    align-items: center;
    gap: .5rem;
  }

  .topbar-icon-btn {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-sm);
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-text-secondary);
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    transition: all var(--transition-fast);
  }

  .topbar-icon-btn:hover {
    background: var(--color-bg);
    color: var(--color-text-primary);
  }

  .topbar-icon-btn .notif-dot {
    position: absolute;
    top: 6px;
    right: 6px;
    width: 8px;
    height: 8px;
    background: var(--color-danger);
    border-radius: 50%;
    border: 2px solid #fff;
  }

  .topbar-user {
    display: flex;
    align-items: center;
    gap: .65rem;
    padding: .3rem .6rem .3rem .3rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    border: none;
    background: none;
    text-align: left;
    transition: background var(--transition-fast);
    text-decoration: none;
  }

  .topbar-user:hover {
    background: var(--color-bg);
  }

  .topbar-user-avatar {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-secondary), var(--color-primary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: .8rem;
    color: #fff;
    flex-shrink: 0;
  }

  .topbar-user-info {
    display: flex;
    flex-direction: column;
  }

  .topbar-user-name {
    font-size: .82rem;
    font-weight: 600;
    color: var(--color-text-primary);
    line-height: 1.2;
  }

  .topbar-user-role {
    font-size: .7rem;
    color: var(--color-text-muted);
  }

  /* =============================================================
   MAIN CONTENT
   ============================================================= */
  .main-content {
    flex: 1;
    padding: 1.75rem;
    animation: fadeIn .3s ease both;
  }

  .page-header {
    margin-bottom: 1.75rem;
  }

  .page-header h1 {
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: -.02em;
    margin-bottom: .25rem;
  }

  .page-header p {
    font-size: .875rem;
    color: var(--color-text-secondary);
  }

  /* =============================================================
   KPI / STAT CARDS
   ============================================================= */
  .kpi-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
    margin-bottom: 1.75rem;
  }

  .kpi-card {
    background: var(--color-surface);
    border-radius: var(--radius-md);
    padding: 1.4rem 1.5rem;
    border: 1px solid var(--color-border-light);
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: flex-start;
    gap: 1.1rem;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
  }

  .kpi-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--kpi-color, var(--color-primary));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-normal);
  }

  .kpi-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
  }

  .kpi-card:hover::after {
    transform: scaleX(1);
  }

  .kpi-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    flex-shrink: 0;
    background: color-mix(in srgb, var(--kpi-color, var(--color-primary)) 12%, transparent);
    color: var(--kpi-color, var(--color-primary));
  }

  .kpi-body {
    flex: 1;
    min-width: 0;
  }

  .kpi-value {
    font-family: var(--font-heading);
    font-size: 1.85rem;
    font-weight: 800;
    color: var(--color-text-primary);
    line-height: 1.1;
    letter-spacing: -.03em;
  }

  .kpi-label {
    font-size: .78rem;
    color: var(--color-text-muted);
    font-weight: 500;
    margin-top: .2rem;
  }

  .kpi-trend {
    display: inline-flex;
    align-items: center;
    gap: .25rem;
    font-size: .72rem;
    font-weight: 600;
    margin-top: .4rem;
    padding: .15rem .5rem;
    border-radius: var(--radius-full);
  }

  .kpi-trend.up {
    color: var(--color-accent);
    background: rgba(122, 193, 67, .1);
  }

  .kpi-trend.down {
    color: var(--color-danger);
    background: rgba(231, 76, 60, .08);
  }

  .kpi-trend.flat {
    color: var(--color-text-muted);
    background: var(--color-bg);
  }

  /* color shorthands para KPI cards */
  .kpi-green {
    --kpi-color: #7ac143;
  }

  .kpi-teal {
    --kpi-color: #53A67F;
  }

  .kpi-blue {
    --kpi-color: #3498db;
  }

  .kpi-orange {
    --kpi-color: #f5a623;
  }

  .kpi-red {
    --kpi-color: #e74c3c;
  }

  .kpi-purple {
    --kpi-color: #9b59b6;
  }

  /* =============================================================
   CHARTS ROW
   ============================================================= */
  .charts-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1.25rem;
    margin-bottom: 1.75rem;
  }

  .chart-card {
    background: var(--color-surface);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border-light);
    box-shadow: var(--shadow-sm);
    padding: 1.4rem 1.5rem;
  }

  .chart-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.25rem;
  }

  .chart-card-title {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: .9rem;
    color: var(--color-text-primary);
  }

  .chart-card-subtitle {
    font-size: .75rem;
    color: var(--color-text-muted);
    margin-top: .1rem;
  }

  .chart-container {
    position: relative;
  }

  /* =============================================================
   ACTIVITY FEED / TABLE PANEL
   ============================================================= */
  .panels-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
  }

  .panel {
    background: var(--color-surface);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border-light);
    box-shadow: var(--shadow-sm);
  }

  .panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.1rem 1.4rem;
    border-bottom: 1px solid var(--color-border-light);
  }

  .panel-title {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: .875rem;
  }

  .panel-body {
    padding: 1rem 1.4rem;
  }

  /* Activity feed */
  .activity-list {
    display: flex;
    flex-direction: column;
    gap: 0;
  }

  .activity-item {
    display: flex;
    align-items: flex-start;
    gap: .9rem;
    padding: .8rem 0;
    border-bottom: 1px solid var(--color-border-light);
  }

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

  .activity-dot {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: .85rem;
    flex-shrink: 0;
    margin-top: .05rem;
  }

  .activity-dot.green {
    background: rgba(122, 193, 67, .12);
    color: var(--color-accent);
  }

  .activity-dot.blue {
    background: rgba(52, 152, 219, .12);
    color: var(--color-info);
  }

  .activity-dot.orange {
    background: rgba(245, 166, 35, .12);
    color: #c87f00;
  }

  .activity-dot.red {
    background: rgba(231, 76, 60, .12);
    color: var(--color-danger);
  }

  .activity-dot.purple {
    background: rgba(155, 89, 182, .12);
    color: #9b59b6;
  }

  .activity-body {
    flex: 1;
    min-width: 0;
  }

  .activity-text {
    font-size: .82rem;
    color: var(--color-text-primary);
    line-height: 1.45;
  }

  .activity-text strong {
    font-weight: 600;
  }

  .activity-time {
    font-size: .72rem;
    color: var(--color-text-muted);
    margin-top: .15rem;
  }

  /* Quick-stats panel */
  .qstat-list {
    display: flex;
    flex-direction: column;
    gap: .5rem;
  }

  .qstat-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: .7rem .85rem;
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
  }

  .qstat-item:hover {
    background: var(--color-bg);
  }

  .qstat-label {
    display: flex;
    align-items: center;
    gap: .6rem;
    font-size: .83rem;
    color: var(--color-text-secondary);
    font-weight: 500;
  }

  .qstat-label i {
    font-size: 1rem;
    color: var(--color-text-muted);
  }

  .qstat-value {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: .9rem;
    color: var(--color-text-primary);
  }

  /* =============================================================
   SIDEBAR OVERLAY (mobile)
   ============================================================= */
  .sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, .5);
    z-index: 299;
    backdrop-filter: blur(2px);
  }

  /* =============================================================
   RESPONSIVE
   ============================================================= */
  @media (max-width: 1200px) {
    .kpi-grid {
      grid-template-columns: repeat(2, 1fr);
    }
  }

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

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

  @media (max-width: 768px) {
    .sidebar {
      transform: translateX(calc(-1 * var(--sidebar-width)));
    }

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

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

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

    .topbar-hamburger {
      display: flex;
    }

    .topbar {
      padding: 0 1rem;
    }

    .main-content {
      padding: 1.25rem 1rem;
    }

    .kpi-grid {
      grid-template-columns: 1fr 1fr;
      gap: .875rem;
    }

    .topbar-user-info {
      display: none;
    }
  }

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

    .kpi-card {
      padding: 1.1rem 1.2rem;
    }
  }