/* ============================================================
   VELTRIX TMS — PANEL ADMIN
   public/assets/css/app.css
   Diseño enterprise: serio, denso, corporativo, moderno
   ============================================================ */

/* ─── FUENTES ─────────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@300;400;500;600;700&family=DM+Mono:wght@400;500&display=swap');

/* ─── VARIABLES / TEMA ────────────────────────────────────── */
:root {
  /* Colores base */
  --color-bg:           #0f1117;
  --color-bg-2:         #151820;
  --color-bg-3:         #1c2030;
  --color-surface:      #1e2235;
  --color-surface-2:    #252a3d;
  --color-surface-3:    #2d3352;
  --color-border:       #2a2f45;
  --color-border-light: #343b56;

  /* Primario — azul corporativo frío */
  --color-primary:       #3d6cff;
  --color-primary-hover: #2f5ce6;
  --color-primary-soft:  rgba(61, 108, 255, 0.12);
  --color-primary-glow:  rgba(61, 108, 255, 0.25);

  /* Secundario — cian técnico */
  --color-accent:        #00c8d4;
  --color-accent-soft:   rgba(0, 200, 212, 0.10);

  /* Semánticos */
  --color-success:       #22c55e;
  --color-success-soft:  rgba(34, 197, 94, 0.10);
  --color-warning:       #f59e0b;
  --color-warning-soft:  rgba(245, 158, 11, 0.10);
  --color-danger:        #ef4444;
  --color-danger-soft:   rgba(239, 68, 68, 0.10);
  --color-info:          #38bdf8;
  --color-info-soft:     rgba(56, 189, 248, 0.10);

  /* Texto */
  --text-primary:   #e8ecf4;
  --text-secondary: #8892a8;
  --text-muted:     #535d78;
  --text-inverse:   #0f1117;

  /* Tipografía */
  --font-sans:  'DM Sans', system-ui, sans-serif;
  --font-mono:  'DM Mono', 'Consolas', monospace;

  --text-xs:   0.70rem;
  --text-sm:   0.80rem;
  --text-base: 0.875rem;
  --text-md:   0.95rem;
  --text-lg:   1.05rem;
  --text-xl:   1.20rem;
  --text-2xl:  1.50rem;
  --text-3xl:  1.875rem;

  --font-regular: 400;
  --font-medium:  500;
  --font-semi:    600;
  --font-bold:    700;

  /* Espaciado */
  --space-1:  0.25rem;
  --space-2:  0.50rem;
  --space-3:  0.75rem;
  --space-4:  1.00rem;
  --space-5:  1.25rem;
  --space-6:  1.50rem;
  --space-8:  2.00rem;
  --space-10: 2.50rem;
  --space-12: 3.00rem;

  /* Layout */
  --sidebar-width:          240px;
  --sidebar-collapsed-width: 60px;
  --topbar-height:          56px;
  --content-padding:        var(--space-6);

  /* Bordes */
  --radius-sm:  4px;
  --radius-md:  6px;
  --radius-lg:  10px;
  --radius-xl:  14px;
  --radius-full: 9999px;

  /* Sombras */
  --shadow-sm:  0 1px 3px rgba(0,0,0,0.4);
  --shadow-md:  0 4px 12px rgba(0,0,0,0.35);
  --shadow-lg:  0 8px 28px rgba(0,0,0,0.45);
  --shadow-xl:  0 16px 48px rgba(0,0,0,0.55);

  /* Transiciones */
  --transition-fast:   0.12s ease;
  --transition-base:   0.20s ease;
  --transition-slow:   0.35s ease;

  /* Z-index */
  --z-sidebar:  100;
  --z-topbar:   200;
  --z-dropdown: 300;
  --z-modal:    400;
  --z-toast:    500;
}

/* ─── RESET ───────────────────────────────────────────────── */
*, *::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-sans);
  font-size: var(--text-base);
  font-weight: var(--font-regular);
  color: var(--text-primary);
  background-color: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
}

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

ul, ol { list-style: none; }

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

button {
  cursor: pointer;
  font-family: var(--font-sans);
  border: none;
  background: none;
}

input, textarea, select {
  font-family: var(--font-sans);
  font-size: var(--text-base);
}

/* ─── LAYOUT PRINCIPAL ────────────────────────────────────── */
.app-body {
  display: flex;
  min-height: 100vh;
  overflow: hidden;
}

.app-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  margin-left: var(--sidebar-width);
  min-height: 100vh;
  transition: margin-left var(--transition-slow);
  overflow: hidden;
}

/* ─── SIDEBAR ─────────────────────────────────────────────── */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background-color: var(--color-bg-2);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  z-index: var(--z-sidebar);
  transition: width var(--transition-slow), transform var(--transition-slow);
  overflow: hidden;
}

/* Marca / Logo */
.sidebar__brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-5) var(--space-4);
  border-bottom: 1px solid var(--color-border);
  min-height: var(--topbar-height);
  flex-shrink: 0;
}

.sidebar__brand-logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sidebar__brand-name {
  font-size: var(--text-md);
  font-weight: var(--font-bold);
  color: var(--text-primary);
  letter-spacing: -0.02em;
  white-space: nowrap;
  overflow: hidden;
}

/* Tenant activo */
.sidebar__tenant {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex-shrink: 0;
}

.sidebar__tenant-label {
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.sidebar__tenant-name {
  font-size: var(--text-sm);
  font-weight: var(--font-semi);
  color: var(--color-accent);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Navegación */
.sidebar__nav {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: var(--space-3) 0;
  scrollbar-width: thin;
  scrollbar-color: var(--color-border) transparent;
}

.sidebar__nav::-webkit-scrollbar { width: 4px; }
.sidebar__nav::-webkit-scrollbar-track { background: transparent; }
.sidebar__nav::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: var(--radius-full);
}

.sidebar__nav-list {
  display: flex;
  flex-direction: column;
  gap: 1px;
  padding: 0 var(--space-2);
}

.sidebar__nav-item { position: relative; }

.sidebar__nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  transition: all var(--transition-fast);
  white-space: nowrap;
  position: relative;
}

.sidebar__nav-link:hover {
  background-color: var(--color-surface);
  color: var(--text-primary);
}

.sidebar__nav-item.is-active > .sidebar__nav-link {
  background-color: var(--color-primary-soft);
  color: var(--color-primary);
}

.sidebar__nav-item.is-active > .sidebar__nav-link::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 18px;
  background: var(--color-primary);
  border-radius: 0 var(--radius-full) var(--radius-full) 0;
}

.sidebar__nav-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  color: inherit;
}

.sidebar__nav-text {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar__nav-arrow {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
}

.sidebar__nav-arrow::after {
  content: '';
  display: block;
  width: 6px;
  height: 6px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
  transition: transform var(--transition-fast);
}

/* Submenú */
.sidebar__subnav {
  padding: var(--space-1) 0 var(--space-1) calc(var(--space-3) + 18px + var(--space-3));
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.sidebar__subnav-link {
  display: block;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  color: var(--text-muted);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  transition: all var(--transition-fast);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar__subnav-link:hover {
  background-color: var(--color-surface);
  color: var(--text-secondary);
}

.sidebar__subnav-item.is-active .sidebar__subnav-link {
  color: var(--color-primary);
  background-color: var(--color-primary-soft);
}

/* Footer sidebar */
.sidebar__footer {
  padding: var(--space-3) var(--space-4);
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

.sidebar__user {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex: 1;
  overflow: hidden;
}

.sidebar__user-avatar {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: #fff;
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.sidebar__user-info {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.sidebar__user-name {
  font-size: var(--text-sm);
  font-weight: var(--font-semi);
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar__user-role {
  font-size: var(--text-xs);
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar__logout {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  color: var(--text-muted);
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.sidebar__logout:hover {
  background-color: var(--color-danger-soft);
  color: var(--color-danger);
}

/* ─── TOPBAR ──────────────────────────────────────────────── */
.topbar {
  position: sticky;
  top: 0;
  height: var(--topbar-height);
  background-color: var(--color-bg-2);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: 0 var(--content-padding);
  z-index: var(--z-topbar);
  flex-shrink: 0;
}

.topbar__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast);
}

.topbar__toggle:hover { background-color: var(--color-surface); }

.topbar__toggle-bar {
  display: block;
  width: 18px;
  height: 2px;
  background-color: var(--text-secondary);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}

/* Breadcrumb */
.topbar__breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex: 1;
  overflow: hidden;
}

.topbar__breadcrumb-link {
  font-size: var(--text-sm);
  color: var(--text-muted);
  white-space: nowrap;
  transition: color var(--transition-fast);
}

.topbar__breadcrumb-link:hover { color: var(--text-secondary); }

.topbar__breadcrumb-sep {
  color: var(--text-muted);
  font-size: var(--text-xs);
}

.topbar__breadcrumb-current {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Acciones topbar */
.topbar__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

.topbar__lang-select {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  padding: var(--space-1) var(--space-3);
  cursor: pointer;
  transition: all var(--transition-fast);
  appearance: none;
}

.topbar__lang-select:hover {
  border-color: var(--color-border-light);
  color: var(--text-primary);
}

/* ─── CONTENIDO PRINCIPAL ─────────────────────────────────── */
.content {
  flex: 1;
  padding: var(--content-padding);
  overflow-y: auto;
  background-color: var(--color-bg);
}

/* Cabecera de página */
.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--color-border);
}

.page-header__title {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--text-primary);
  letter-spacing: -0.02em;
  line-height: 1.3;
}

.page-header__subtitle {
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin-top: var(--space-1);
}

.page-header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-shrink: 0;
}

/* ─── FLASH MESSAGES ──────────────────────────────────────── */
.flash-container {
  padding: 0 var(--content-padding);
  padding-top: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.flash {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
}

.flash--success {
  background-color: var(--color-success-soft);
  border-color: rgba(34,197,94,0.25);
  color: var(--color-success);
}
.flash--error {
  background-color: var(--color-danger-soft);
  border-color: rgba(239,68,68,0.25);
  color: var(--color-danger);
}
.flash--warning {
  background-color: var(--color-warning-soft);
  border-color: rgba(245,158,11,0.25);
  color: var(--color-warning);
}
.flash--info {
  background-color: var(--color-info-soft);
  border-color: rgba(56,189,248,0.25);
  color: var(--color-info);
}

.flash__close {
  font-size: var(--text-lg);
  line-height: 1;
  color: inherit;
  opacity: 0.6;
  transition: opacity var(--transition-fast);
  flex-shrink: 0;
}
.flash__close:hover { opacity: 1; }

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

.card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-border);
}

.card__title {
  font-size: var(--text-md);
  font-weight: var(--font-semi);
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.card__body {
  padding: var(--space-5);
}

.card__footer {
  padding: var(--space-3) var(--space-5);
  border-top: 1px solid var(--color-border);
  background-color: var(--color-bg-2);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-2);
}

/* ─── GRID DE CARDS ───────────────────────────────────────── */
.grid {
  display: grid;
  gap: var(--space-4);
}

.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.grid--auto { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }

/* ─── BOTONES ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  line-height: 1;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  border: 1px solid transparent;
  text-decoration: none;
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;
}

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

.btn--secondary {
  background-color: var(--color-surface-2);
  color: var(--text-secondary);
  border-color: var(--color-border);
}
.btn--secondary:hover {
  background-color: var(--color-surface-3);
  color: var(--text-primary);
  border-color: var(--color-border-light);
}

.btn--danger {
  background-color: var(--color-danger-soft);
  color: var(--color-danger);
  border-color: rgba(239,68,68,0.25);
}
.btn--danger:hover {
  background-color: var(--color-danger);
  color: #fff;
  border-color: var(--color-danger);
}

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

/* Tamaños */
.btn--sm {
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
}
.btn--lg {
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-md);
}

.btn--icon {
  padding: var(--space-2);
  width: 32px;
  height: 32px;
}

/* ─── TABLAS ──────────────────────────────────────────────── */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.table thead {
  background-color: var(--color-bg-3);
  position: sticky;
  top: 0;
  z-index: 1;
}

.table thead th {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  font-size: var(--text-xs);
  font-weight: var(--font-semi);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  white-space: nowrap;
  border-bottom: 1px solid var(--color-border);
}

.table thead th.sortable {
  cursor: pointer;
  user-select: none;
  transition: color var(--transition-fast);
}
.table thead th.sortable:hover { color: var(--text-primary); }

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

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

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

.table tbody td {
  padding: var(--space-3) var(--space-4);
  color: var(--text-primary);
  vertical-align: middle;
}

.table tbody td.text-muted { color: var(--text-muted); }
.table tbody td.text-mono {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-secondary);
}

/* Tabla compacta */
.table--compact thead th,
.table--compact tbody td {
  padding: var(--space-2) var(--space-3);
}

/* ─── FORMULARIOS ─────────────────────────────────────────── */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--text-secondary);
}

.form-label .required {
  color: var(--color-danger);
  margin-left: 3px;
}

.form-control {
  width: 100%;
  padding: var(--space-2) var(--space-3);
  background-color: var(--color-bg-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: var(--text-sm);
  font-family: var(--font-sans);
  transition: all var(--transition-fast);
  line-height: 1.5;
  appearance: none;
}

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

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  background-color: var(--color-bg-2);
  box-shadow: 0 0 0 3px var(--color-primary-glow);
}

.form-control:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  background-color: var(--color-bg-3);
}

.form-control--error {
  border-color: var(--color-danger);
}
.form-control--error:focus {
  box-shadow: 0 0 0 3px rgba(239,68,68,0.20);
}

.form-helper {
  font-size: var(--text-xs);
  color: var(--text-muted);
}

.form-error {
  font-size: var(--text-xs);
  color: var(--color-danger);
}

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

select.form-control {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238892a8' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-3) center;
  padding-right: var(--space-8);
  cursor: pointer;
}

/* Checkbox / Radio */
.form-check {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
}

.form-check-input {
  width: 16px;
  height: 16px;
  border: 1.5px solid var(--color-border-light);
  border-radius: var(--radius-sm);
  background-color: var(--color-bg-3);
  cursor: pointer;
  flex-shrink: 0;
  appearance: none;
  transition: all var(--transition-fast);
}

.form-check-input:checked {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-width='3'%3E%3Cpath d='M20 6L9 17l-5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
}

.form-check-input[type="radio"] { border-radius: var(--radius-full); }
.form-check-input[type="radio"]:checked {
  background-image: url("data:image/svg+xml,%3Ccircle xmlns='http://www.w3.org/2000/svg' cx='12' cy='12' r='5' fill='%23ffffff'/%3E");
}

.form-check-label {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  cursor: pointer;
  user-select: none;
}

/* Grid de formulario */
.form-row {
  display: grid;
  gap: var(--space-4);
}
.form-row--2 { grid-template-columns: repeat(2, 1fr); }
.form-row--3 { grid-template-columns: repeat(3, 1fr); }
.form-row--4 { grid-template-columns: repeat(4, 1fr); }

/* ─── BADGES ──────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 2px var(--space-2);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--font-semi);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.badge--primary { background: var(--color-primary-soft); color: var(--color-primary); }
.badge--success { background: var(--color-success-soft); color: var(--color-success); }
.badge--warning { background: var(--color-warning-soft); color: var(--color-warning); }
.badge--danger  { background: var(--color-danger-soft);  color: var(--color-danger); }
.badge--info    { background: var(--color-info-soft);    color: var(--color-info); }
.badge--muted   { background: var(--color-surface-2);    color: var(--text-muted); }

.badge__dot {
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background: currentColor;
  flex-shrink: 0;
}

/* ─── KPI WIDGETS ─────────────────────────────────────────── */
.kpi-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  transition: border-color var(--transition-fast);
}

.kpi-card:hover { border-color: var(--color-border-light); }

.kpi-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.kpi-card__label {
  font-size: var(--text-xs);
  font-weight: var(--font-semi);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

.kpi-card__icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.kpi-card__value {
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  color: var(--text-primary);
  letter-spacing: -0.03em;
  line-height: 1;
}

.kpi-card__trend {
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  display: flex;
  align-items: center;
  gap: 3px;
}

.kpi-card__trend--up   { color: var(--color-success); }
.kpi-card__trend--down { color: var(--color-danger); }
.kpi-card__trend--neutral { color: var(--text-muted); }

/* ─── PAGINACIÓN ──────────────────────────────────────────── */
.pagination {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.pagination__btn {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  height: 32px;
  padding: 0 var(--space-2);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--text-secondary);
  background: transparent;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.pagination__btn:hover {
  background: var(--color-surface);
  color: var(--text-primary);
  border-color: var(--color-border);
}

.pagination__btn.is-active {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.pagination__btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.pagination__info {
  font-size: var(--text-xs);
  color: var(--text-muted);
  padding: 0 var(--space-2);
}

/* ─── MODAL ───────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.65);
  backdrop-filter: blur(3px);
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

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

.modal {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-xl);
  transform: translateY(12px);
  transition: transform var(--transition-base);
}

.modal-overlay.is-open .modal {
  transform: translateY(0);
}

.modal--lg { max-width: 780px; }
.modal--xl { max-width: 1040px; }

.modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}

.modal__title {
  font-size: var(--text-md);
  font-weight: var(--font-semi);
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.modal__close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-md);
  color: var(--text-muted);
  font-size: var(--text-lg);
  transition: all var(--transition-fast);
}
.modal__close:hover {
  background: var(--color-surface-2);
  color: var(--text-primary);
}

.modal__body {
  padding: var(--space-5);
  overflow-y: auto;
  flex: 1;
}

.modal__footer {
  padding: var(--space-3) var(--space-5);
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: flex-end;
  gap: var(--space-2);
  flex-shrink: 0;
}

/* ─── DROPDOWN ────────────────────────────────────────────── */
.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown__menu {
  position: absolute;
  top: calc(100% + var(--space-1));
  right: 0;
  min-width: 180px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  z-index: var(--z-dropdown);
  padding: var(--space-1) 0;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-4px);
  transition: all var(--transition-fast);
}

.dropdown.is-open .dropdown__menu {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0);
}

.dropdown__item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  width: 100%;
  text-align: left;
}

.dropdown__item:hover {
  background: var(--color-surface-2);
  color: var(--text-primary);
}

.dropdown__item--danger {
  color: var(--color-danger);
}

.dropdown__item--danger:hover {
  background: var(--color-danger-soft);
  color: var(--color-danger);
}

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

/* ─── EMPTY STATE ─────────────────────────────────────────── */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-12) var(--space-8);
  text-align: center;
  gap: var(--space-3);
}

.empty-state__icon {
  width: 48px;
  height: 48px;
  color: var(--text-muted);
  opacity: 0.5;
}

.empty-state__title {
  font-size: var(--text-md);
  font-weight: var(--font-semi);
  color: var(--text-secondary);
}

.empty-state__text {
  font-size: var(--text-sm);
  color: var(--text-muted);
  max-width: 320px;
}

/* ─── SKELETON LOADER ─────────────────────────────────────── */
@keyframes skeleton-pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.4; }
}

.skeleton {
  background: var(--color-surface-2);
  border-radius: var(--radius-md);
  animation: skeleton-pulse 1.8s ease-in-out infinite;
}

.skeleton--text {
  height: 14px;
  width: 100%;
}

.skeleton--title {
  height: 20px;
  width: 60%;
}

.skeleton--circle {
  border-radius: var(--radius-full);
}

/* ─── SEPARADORES Y UTILIDADES ────────────────────────────── */
.divider {
  height: 1px;
  background: var(--color-border);
  margin: var(--space-4) 0;
}

.text-primary   { color: var(--text-primary) !important; }
.text-secondary { color: var(--text-secondary) !important; }
.text-muted     { color: var(--text-muted) !important; }
.text-success   { color: var(--color-success) !important; }
.text-danger    { color: var(--color-danger) !important; }
.text-warning   { color: var(--color-warning) !important; }
.text-info      { color: var(--color-info) !important; }
.text-accent    { color: var(--color-accent) !important; }

.text-sm  { font-size: var(--text-sm) !important; }
.text-xs  { font-size: var(--text-xs) !important; }
.text-md  { font-size: var(--text-md) !important; }

.fw-medium { font-weight: var(--font-medium) !important; }
.fw-semi   { font-weight: var(--font-semi) !important; }
.fw-bold   { font-weight: var(--font-bold) !important; }

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

.d-flex         { display: flex; }
.align-center   { align-items: center; }
.justify-end    { justify-content: flex-end; }
.justify-between { justify-content: space-between; }
.gap-2          { gap: var(--space-2); }
.gap-3          { gap: var(--space-3); }
.gap-4          { gap: var(--space-4); }

.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }

.w-full  { width: 100%; }
.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ─── SCROLLBAR GLOBAL ────────────────────────────────────── */
::-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-border-light); }

/* ─── SELECCIÓN DE TEXTO ──────────────────────────────────── */
::selection {
  background: var(--color-primary-soft);
  color: var(--color-primary);
}

/* ─── LOGIN PAGE ──────────────────────────────────────────── */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg);
  padding: var(--space-4);
}

.login-card {
  width: 100%;
  max-width: 400px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-xl);
}

.login-card__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
}

.login-card__title {
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  color: var(--text-primary);
  letter-spacing: -0.03em;
  margin-bottom: var(--space-2);
}

.login-card__subtitle {
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin-bottom: var(--space-6);
}

/* ─── RESPONSIVE ──────────────────────────────────────────── */
@media (max-width: 1024px) {
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }

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

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

  .topbar__toggle {
    display: flex;
  }

  .content {
    padding: var(--space-4);
  }

  .grid--2,
  .grid--3,
  .grid--4 {
    grid-template-columns: 1fr;
  }

  .form-row--2,
  .form-row--3,
  .form-row--4 {
    grid-template-columns: 1fr;
  }

  .page-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .modal { max-width: 100%; }
}

@media (max-width: 480px) {
  :root {
    --content-padding: var(--space-4);
    --topbar-height: 52px;
  }

  .login-card { padding: var(--space-5); }
}

/* ─── MODULE SELECTOR (topbar) ─────────────────────────────────────────────── */
.topbar__module-selector {
  position: relative;
  margin-right: 8px;
}
.topbar__module-btn {
  display: flex; align-items: center; gap: 7px;
  padding: 0 12px; height: 32px;
  background: var(--color-surface); border: 1px solid var(--border-color);
  border-radius: var(--radius-sm); cursor: pointer;
  font-family: var(--font-family); font-size: 12.5px; font-weight: 600;
  color: var(--text-primary);
  transition: border-color .15s, background .15s;
}
.topbar__module-btn:hover {
  background: var(--color-surface-alt); border-color: var(--color-primary);
}
.topbar__module-dot {
  width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0;
  box-shadow: 0 0 5px currentColor;
}
.topbar__module-name { white-space: nowrap; }
.topbar__module-arrow { color: var(--text-muted); transition: transform .15s; }
.topbar__module-btn[aria-expanded="true"] .topbar__module-arrow { transform: rotate(180deg); }

.topbar__module-dropdown {
  display: none; position: absolute; top: calc(100% + 6px); left: 0;
  min-width: 160px; background: var(--color-panel);
  border: 1px solid var(--border-color); border-radius: var(--radius);
  box-shadow: 0 8px 24px rgba(0,0,0,.35); z-index: 500;
  overflow: hidden;
}
.topbar__module-dropdown.is-open { display: block; }

.topbar__module-form { display: block; }
.topbar__module-option {
  display: flex; align-items: center; gap: 8px;
  width: 100%; padding: 8px 14px;
  background: transparent; border: none; cursor: pointer;
  font-family: var(--font-family); font-size: 12.5px; font-weight: 500;
  color: var(--text-secondary); text-align: left;
  transition: background .1s, color .1s;
}
.topbar__module-option:hover { background: var(--color-surface); color: var(--text-primary); }
.topbar__module-option.is-active {
  color: var(--color-primary); font-weight: 600;
  background: rgba(var(--color-primary-rgb, 37,99,235), .08);
}

/* Single module (no dropdown) */
.topbar__module-single {
  display: flex; align-items: center; gap: 7px;
  padding: 0 12px; height: 32px;
  background: var(--color-surface); border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 12.5px; font-weight: 600; color: var(--text-secondary);
  margin-right: 8px;
}