/* ============================================================
   KVMGo — Sistema de Diseño Premium
   Vanilla CSS · Dark Mode por defecto
   ============================================================ */

/* ─── 1. VARIABLES Y TEMAS ──────────────────────────────────── */
:root {
  /* Colores base (dark mode) */
  --bg-base:       #0d0f1a;
  --bg-surface:    #141828;
  --bg-elevated:   #1c2236;
  --bg-overlay:    #242b42;
  --border:        #2a3352;
  --border-hover:  #3d4f75;

  /* Primario: Azul */
  --primary:       #4f8ef7;
  --primary-hover: #6ba3ff;
  --primary-dim:   rgba(79, 142, 247, 0.12);

  /* Secundario: Teal */
  --secondary:     #00d4aa;
  --secondary-dim: rgba(0, 212, 170, 0.12);

  /* Texto */
  --text-primary:  #e8eaf0;
  --text-secondary:#9aa3bc;
  --text-muted:    #525c72;
  --text-inverse:  #0d0f1a;

  /* Estados / Semánticos */
  --green:  #22c55e;  --green-dim:  rgba(34, 197, 94, 0.12);
  --yellow: #f59e0b;  --yellow-dim: rgba(245, 158, 11, 0.12);
  --red:    #ef4444;  --red-dim:    rgba(239, 68, 68, 0.12);
  --orange: #f97316;  --orange-dim: rgba(249, 115, 22, 0.12);
  --purple: #8b5cf6;  --purple-dim: rgba(139, 92, 246, 0.12);
  --indigo: #6366f1;  --indigo-dim: rgba(99, 102, 241, 0.12);
  --teal:   #14b8a6;  --teal-dim:   rgba(20, 184, 166, 0.12);
  --cyan:   #06b6d4;  --cyan-dim:   rgba(6, 182, 212, 0.12);
  --gray:   #6b7280;  --gray-dim:   rgba(107, 114, 128, 0.12);
  --emerald:#10b981;  --emerald-dim:rgba(16, 185, 129, 0.12);
  --blue:   #3b82f6;  --blue-dim:   rgba(59, 130, 246, 0.12);

  /* Sidebar */
  --sidebar-width:          240px;
  --sidebar-collapsed-width: 64px;
  --sidebar-bg:             #0a0d18;
  --sidebar-border:         #1e2540;

  /* Topbar */
  --topbar-height: 60px;

  /* Radios y sombras */
  --radius-sm:  6px;
  --radius-md:  10px;
  --radius-lg:  16px;
  --radius-xl:  24px;
  --shadow-sm:  0 1px 3px rgba(0,0,0,0.3), 0 1px 2px rgba(0,0,0,0.2);
  --shadow-md:  0 4px 16px rgba(0,0,0,0.4);
  --shadow-lg:  0 10px 40px rgba(0,0,0,0.5);
  --shadow-glow:0 0 20px rgba(79,142,247,0.15);

  /* Transiciones */
  --transition-fast: 120ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 350ms ease;

  /* Tipografía */
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --text-xs:   0.7rem;
  --text-sm:   0.8125rem;
  --text-base: 0.9375rem;
  --text-lg:   1.125rem;
  --text-xl:   1.375rem;
  --text-2xl:  1.75rem;
}

/* Tema Original (basado en el sistema anterior) */
html[data-theme="original"] {
  --bg-base:       #f1f1f1;
  --bg-surface:    #ffffff;
  --bg-elevated:   #f8fafc;
  --bg-overlay:    #e6f4ff;
  --border:        #d0e3f3;
  --border-hover:  #a5c9fe;

  /* Primario: Azul institucional */
  --primary:       #0260ab;
  --primary-hover: #007ac3;
  --primary-dim:   rgba(2, 96, 171, 0.10);

  /* Secundario */
  --secondary:     #1684c3;
  --secondary-dim: rgba(22, 132, 195, 0.10);

  /* Texto */
  --text-primary:  #1e293b;
  --text-secondary:#4f5b6d;
  --text-muted:    #64748b;
  --text-inverse:  #ffffff;

  /* Sidebar azul */
  --sidebar-bg:    #0a2a4a;
  --sidebar-border:#0d3a66;

  --shadow-sm:     0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md:     0 4px 16px rgba(0,0,0,0.10);
  --shadow-lg:     0 10px 40px rgba(0,0,0,0.12);
  --shadow-glow:   0 0 20px rgba(2, 96, 171, 0.08);
}

/* ─── 2. RESET Y BASE ───────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  color: var(--text-primary);
  background: var(--bg-base);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

img, svg { display: block; }

button { cursor: pointer; font-family: inherit; }

input, select, textarea { font-family: inherit; }

[x-cloak] { display: none !important; }

/* ─── 3. LAYOUT PRINCIPAL ───────────────────────────────────── */
.app-layout {
  display: flex;
  min-height: 100vh;
}

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

.app-layout.sidebar-collapsed .main-content {
  margin-left: var(--sidebar-collapsed-width);
}

.page-content {
  flex: 1;
  padding: 2rem;
  max-width: 1400px;
}

/* ─── 4. SIDEBAR ────────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-width);
  background: var(--sidebar-bg);
  border-right: 1px solid var(--sidebar-border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  z-index: 100;
  transition: width var(--transition-base);
  overflow: hidden;
}

/* Brand / Logo */
.sidebar__brand {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1rem;
  border-bottom: 1px solid var(--sidebar-border);
  min-height: 64px;
}

.sidebar__logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
}

.sidebar__brand-name {
  font-size: var(--text-lg);
  font-weight: 700;
  color: #ffffff;
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.sidebar__toggle {
  background: none;
  border: none;
  color: var(--text-muted);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1;
}

.sidebar__toggle:hover {
  color: #ffffff;
  background: rgba(255,255,255,0.1);
}

/* Usuario en sidebar */
.sidebar__user {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem;
  border-bottom: 1px solid var(--sidebar-border);
}

.sidebar__avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--primary-dim);
  border: 2px solid var(--primary);
  color: var(--primary);
  font-weight: 700;
  font-size: var(--text-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  text-transform: uppercase;
}

.sidebar__user-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  overflow: hidden;
}

.sidebar__user-name {
  font-size: var(--text-sm);
  font-weight: 600;
  color: #ffffff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Navegación */
.sidebar__nav {
  flex: 1;
  padding: 0.75rem 0;
  overflow-y: auto;
  overflow-x: hidden;
}

.sidebar__nav::-webkit-scrollbar { width: 3px; }
.sidebar__nav::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

.sidebar__link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.625rem 1rem;
  color: var(--text-secondary);
  font-size: var(--text-sm);
  font-weight: 500;
  border-radius: 0;
  transition: color var(--transition-fast), background var(--transition-fast);
  white-space: nowrap;
  position: relative;
}

.sidebar__link::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 0;
  background: var(--primary);
  border-radius: 0 2px 2px 0;
  transition: height var(--transition-fast);
}

.sidebar__link:hover {
  color: #ffffff;
  background: rgba(255,255,255,0.04);
}

.sidebar__link--active {
  color: var(--primary);
  background: var(--primary-dim);
}

.sidebar__link--active::before {
  height: 70%;
}

.sidebar__link--logout {
  color: var(--text-muted);
}

.sidebar__link--logout:hover {
  color: var(--red);
  background: var(--red-dim);
}

.sidebar__icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.sidebar__label {
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Footer del sidebar */
.sidebar__footer {
  border-top: 1px solid var(--sidebar-border);
  padding: 0.5rem 0;
}

.sidebar__theme-toggle {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.625rem 1rem;
  color: var(--text-muted);
  font-size: var(--text-sm);
  font-weight: 500;
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  transition: color var(--transition-fast), background var(--transition-fast);
  white-space: nowrap;
}

.sidebar__theme-toggle:hover {
  color: var(--text-secondary);
  background: rgba(255,255,255,0.04);
}

/* Submenú de temas */
.theme-submenu {
  position: absolute;
  bottom: 100%;
  left: 1rem;
  width: calc(100% - 2rem);
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.25rem;
  display: flex;
  flex-direction: column;
  gap: 2px;
  box-shadow: var(--shadow-md);
  z-index: 10;
  margin-bottom: 0.5rem;
}

.theme-option {
  background: none;
  border: none;
  color: var(--text-secondary);
  padding: 0.5rem;
  text-align: left;
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.theme-option:hover {
  background: var(--bg-elevated);
  color: var(--text-primary);
}

/* Iconos de tema - mostrar según modo */
.icon-moon { display: none; }
html[data-theme="original"] .icon-sun  { display: none; }
html[data-theme="original"] .icon-moon { display: block; }

/* Sidebar colapsado */
.sidebar-collapsed .sidebar {
  width: var(--sidebar-collapsed-width);
}

.sidebar-collapsed .sidebar__brand {
  flex-direction: column;
  padding: 1rem 0;
  gap: 0.75rem;
  justify-content: center;
}

.sidebar-collapsed .sidebar__brand-name,
.sidebar-collapsed .sidebar__user-info,
.sidebar-collapsed .sidebar__label {
  opacity: 0;
  pointer-events: none;
  width: 0;
}

/* Logo: mostrar versión compacta al colapsar */
.sidebar__logo-full { display: block; }
.sidebar__logo-compact { display: none; }

.sidebar-collapsed .sidebar__logo-full { display: none; }
.sidebar-collapsed .sidebar__logo-compact { display: block; }

/* ─── 5. TOPBAR ─────────────────────────────────────────────── */
.topbar {
  height: var(--topbar-height);
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 2rem;
  gap: 1rem;
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(8px);
}

.topbar__menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-secondary);
  padding: 6px;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
}

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

.topbar__title {
  flex: 1;
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--text-secondary);
}

.topbar__actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.topbar__notif-btn {
  position: relative;
  background: none;
  border: none;
  color: var(--text-secondary);
  padding: 8px;
  border-radius: var(--radius-md);
  transition: color var(--transition-fast), background var(--transition-fast);
}

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

.topbar__notif-badge {
  position: absolute;
  top: 4px;
  right: 4px;
  background: var(--red);
  color: white;
  font-size: 9px;
  font-weight: 700;
  padding: 1px 4px;
  border-radius: 10px;
  min-width: 16px;
  text-align: center;
  border: 2px solid var(--bg-surface);
}

/* ─── 6. AUTH LAYOUT ────────────────────────────────────────── */
.auth-layout {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-base);
  /* Patrón de fondo sutil */
  background-image:
    radial-gradient(ellipse 80% 60% at 50% -20%, rgba(79,142,247,0.08) 0%, transparent 70%),
    radial-gradient(ellipse 50% 50% at 80% 80%, rgba(139,92,246,0.06) 0%, transparent 60%);
  padding: 2rem;
}

.login-card {
  width: 100%;
  max-width: 420px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

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

.login-card__logo {
  display: flex;
  justify-content: center;
  margin-bottom: 1rem;
}

.login-card__title {
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.03em;
}

.login-card__subtitle {
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin-top: 0.25rem;
}

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

.login-card__footer {
  text-align: center;
  margin-top: 1.5rem;
  font-size: var(--text-xs);
  color: var(--text-muted);
  line-height: 1.6;
}

/* ─── 7. TIPOGRAFÍA ─────────────────────────────────────────── */
h1, h2, h3, h4 {
  color: var(--text-primary);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.section-title {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.75rem;
  margin-bottom: 1rem;
}

.text-muted     { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.text-primary   { color: var(--primary); }
.text-capitalize { text-transform: capitalize; }

/* ─── 8. BOTONES ────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  padding: 0.5rem 1.125rem;
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  transition: all var(--transition-fast);
  cursor: pointer;
  white-space: nowrap;
  text-decoration: none;
  line-height: 1;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn--primary {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
  box-shadow: 0 1px 4px rgba(79,142,247,0.3);
}

.btn--primary:hover:not(:disabled) {
  background: var(--primary-hover);
  border-color: var(--primary-hover);
  color: white;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(79,142,247,0.4);
}

.btn--secondary {
  background: var(--bg-elevated);
  color: var(--text-secondary);
  border-color: var(--border);
}

.btn--secondary:hover:not(:disabled) {
  background: var(--bg-overlay);
  color: var(--text-primary);
  border-color: var(--border-hover);
}

.btn--ghost {
  background: transparent;
  color: var(--text-secondary);
  border-color: transparent;
  padding: 0.375rem 0.625rem;
}

.btn--ghost:hover:not(:disabled) {
  background: var(--bg-elevated);
  color: var(--text-primary);
  border-color: var(--border);
}

.btn--danger-ghost:hover:not(:disabled) {
  background: var(--red-dim);
  color: var(--red);
}

.btn--full { width: 100%; }

.btn--sm {
  padding: 0.3125rem 0.75rem;
  font-size: var(--text-xs);
}

.btn--loading {
  pointer-events: none;
}

/* Spinner de carga */
.spinner {
  animation: spin 0.8s linear infinite;
  display: inline-block;
  vertical-align: middle;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

/* ─── 9. FORMULARIOS ────────────────────────────────────────── */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

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

.form-label--required::after {
  content: ' *';
  color: var(--red);
}

.form-label-optional {
  font-weight: 400;
  color: var(--text-muted);
  font-size: var(--text-xs);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.5625rem 0.875rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: var(--text-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
  outline: none;
}

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

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-dim);
  background: var(--bg-surface);
}

.form-select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12' fill='none'%3E%3Cpath d='M2 4l4 4 4-4' stroke='%239aa3bc' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2.25rem;
}

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

.form-hint {
  font-size: var(--text-xs);
  color: var(--text-muted);
  line-height: 1.4;
}

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

.input-group .form-input {
  border-radius: var(--radius-md) 0 0 var(--radius-md);
}

.input-group__addon {
  padding: 0 0.75rem;
  background: var(--bg-overlay);
  border: 1px solid var(--border);
  border-left: none;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: var(--text-muted);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.input-group__addon:hover { color: var(--text-secondary); background: var(--bg-elevated); }

.form-grid { display: grid; gap: 1.25rem; }
.form-grid--2 { grid-template-columns: 1fr 1fr; }
.form-grid--3 { grid-template-columns: 1fr 1fr 1fr; }

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
  margin-top: 0.5rem;
}

/* ─── 10. TABLAS ────────────────────────────────────────────── */
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.table thead tr {
  border-bottom: 1px solid var(--border);
}

.table th {
  padding: 0.75rem 1rem;
  text-align: left;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.table td {
  padding: 0.875rem 1rem;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

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

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

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

.table__row--inactive { opacity: 0.5; }

.table__actions {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.table__actions-col {
  width: 1%;
  white-space: nowrap;
  text-align: right;
}

.user-cell {
  display: flex;
  align-items: center;
  gap: 0.625rem;
}

.user-cell__avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--primary-dim);
  color: var(--primary);
  font-size: var(--text-xs);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  text-transform: uppercase;
  flex-shrink: 0;
}

.user-cell__name {
  font-weight: 500;
}

/* ─── 11. CARDS ─────────────────────────────────────────────── */
.card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.card__body {
  padding: 1.5rem;
}

.card__body--no-padding {
  padding: 0;
  overflow: hidden;
  border-radius: var(--radius-lg);
}

/* ─── 12. BADGES Y STATUS PILLS ─────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.1875rem 0.5rem;
  border-radius: 20px;
  font-size: var(--text-xs);
  font-weight: 600;
  white-space: nowrap;
  letter-spacing: 0.02em;
}

.badge--xs { padding: 0.125rem 0.375rem; font-size: 0.65rem; }
.badge--sm { padding: 0.1875rem 0.4375rem; }

.badge--blue    { background: var(--blue-dim);    color: var(--blue);    border: 1px solid rgba(59,130,246,0.2); }
.badge--yellow  { background: var(--yellow-dim);  color: var(--yellow);  border: 1px solid rgba(245,158,11,0.2); }
.badge--red     { background: var(--red-dim);     color: var(--red);     border: 1px solid rgba(239,68,68,0.2); }
.badge--green   { background: var(--green-dim);   color: var(--green);   border: 1px solid rgba(34,197,94,0.2); }
.badge--orange  { background: var(--orange-dim);  color: var(--orange);  border: 1px solid rgba(249,115,22,0.2); }
.badge--purple  { background: var(--purple-dim);  color: var(--purple);  border: 1px solid rgba(139,92,246,0.2); }
.badge--indigo  { background: var(--indigo-dim);  color: var(--indigo);  border: 1px solid rgba(99,102,241,0.2); }
.badge--teal    { background: var(--teal-dim);    color: var(--teal);    border: 1px solid rgba(20,184,166,0.2); }
.badge--cyan    { background: var(--cyan-dim);    color: var(--cyan);    border: 1px solid rgba(6,182,212,0.2); }
.badge--gray    { background: var(--gray-dim);    color: var(--gray);    border: 1px solid rgba(107,114,128,0.2); }
.badge--emerald { background: var(--emerald-dim); color: var(--emerald); border: 1px solid rgba(16,185,129,0.2); }

/* Status dot */
.status-dot {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: var(--text-xs);
  font-weight: 500;
}

.status-dot::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

.status-dot--active::before  { background: var(--green); box-shadow: 0 0 0 2px var(--green-dim); }
.status-dot--inactive::before{ background: var(--gray); }

.status-dot--active  { color: var(--green); }
.status-dot--inactive{ color: var(--text-muted); }

/* ─── 13. ALERTAS ───────────────────────────────────────────── */
.alert {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.875rem 1rem;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 500;
  margin: 1rem 2rem 0;
  border: 1px solid;
  animation: slideDown 0.2s ease;
}

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

.alert--success {
  background: var(--green-dim);
  color: var(--green);
  border-color: rgba(34,197,94,0.2);
}

.alert--error {
  background: var(--red-dim);
  color: var(--red);
  border-color: rgba(239,68,68,0.2);
}

.alert--compact {
  margin: 0 0 1.25rem;
  padding: 0.625rem 0.875rem;
}

.alert__icon {
  flex-shrink: 0;
}

.alert__close {
  margin-left: auto;
  background: none;
  border: none;
  color: inherit;
  font-size: 1.2rem;
  line-height: 1;
  padding: 0;
  opacity: 0.7;
  cursor: pointer;
}

.alert__close:hover { opacity: 1; }

/* ─── 14. DASHBOARD ─────────────────────────────────────────── */
.dashboard {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.dashboard__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}

.dashboard__greeting {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.375rem;
}

.dashboard__role-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-secondary);
  font-size: var(--text-sm);
}

/* Grid de métricas */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
}

.stat-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

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

.stat-card__icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.stat-card__icon svg { width: 22px; height: 22px; }

.stat-card__body {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.stat-card__value {
  font-size: 1.75rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
}

.stat-card__label {
  font-size: var(--text-xs);
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* Variantes de color para stat-cards */
.stat-card--blue  { border-color: rgba(59,130,246,0.2); }
.stat-card--blue .stat-card__icon { background: var(--blue-dim); color: var(--blue); }
.stat-card--blue .stat-card__value { color: var(--blue); }
.stat-card--blue:hover { border-color: var(--blue); }

.stat-card--yellow { border-color: rgba(245,158,11,0.2); }
.stat-card--yellow .stat-card__icon { background: var(--yellow-dim); color: var(--yellow); }
.stat-card--yellow .stat-card__value { color: var(--yellow); }
.stat-card--yellow:hover { border-color: var(--yellow); }

.stat-card--purple { border-color: rgba(139,92,246,0.2); }
.stat-card--purple .stat-card__icon { background: var(--purple-dim); color: var(--purple); }
.stat-card--purple .stat-card__value { color: var(--purple); }
.stat-card--purple:hover { border-color: var(--purple); }

.stat-card--green  { border-color: rgba(34,197,94,0.2); }
.stat-card--green .stat-card__icon { background: var(--green-dim); color: var(--green); }
.stat-card--green .stat-card__value { color: var(--green); }
.stat-card--green:hover { border-color: var(--green); }

.stat-card--orange { border-color: rgba(249,115,22,0.2); }
.stat-card--orange .stat-card__icon { background: var(--orange-dim); color: var(--orange); }
.stat-card--orange .stat-card__value { color: var(--orange); }
.stat-card--orange:hover { border-color: var(--orange); }

.stat-card--teal  { border-color: rgba(20,184,166,0.2); }
.stat-card--teal .stat-card__icon { background: var(--teal-dim); color: var(--teal); }
.stat-card--teal .stat-card__value { color: var(--teal); }
.stat-card--teal:hover { border-color: var(--teal); }

/* Acciones rápidas */
.quick-actions__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
}

.quick-action-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
  text-decoration: none;
  transition: all var(--transition-fast);
  cursor: pointer;
}

.quick-action-card:hover {
  border-color: var(--primary);
  background: var(--primary-dim);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.quick-action-card__icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.quick-action-card__icon svg { width: 20px; height: 20px; }

.quick-action-card__icon--blue   { background: var(--blue-dim);   color: var(--blue); }
.quick-action-card__icon--indigo { background: var(--indigo-dim); color: var(--indigo); }
.quick-action-card__icon--teal   { background: var(--teal-dim);   color: var(--teal); }
.quick-action-card__icon--purple { background: var(--purple-dim); color: var(--purple); }
.quick-action-card__icon--green  { background: var(--green-dim);  color: var(--green); }

.quick-action-card__label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-primary);
}

.quick-action-card__desc {
  font-size: var(--text-xs);
  color: var(--text-muted);
  line-height: 1.4;
}

/* ─── 15. SECCIONES DE PÁGINA ───────────────────────────────── */
.page-section {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.page-section--narrow {
  max-width: 760px;
}

.section-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.section-header__title {
  font-size: var(--text-xl);
  font-weight: 700;
}

.section-header__desc {
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin-top: 0.25rem;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: var(--text-xs);
  color: var(--text-muted);
  margin-bottom: 0.5rem;
  transition: color var(--transition-fast);
}

.back-link:hover { color: var(--primary); }

/* ─── 16. EMPTY STATE ───────────────────────────────────────── */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 4rem 2rem;
  text-align: center;
}

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

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

/* ─── 17. SPINNER ───────────────────────────────────────────── */
.spinner {
  animation: spin 0.8s linear infinite;
}

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

/* ─── 18. MISCELÁNEOS ───────────────────────────────────────── */
.inline-form { display: inline; }

/* ─── 19. RESPONSIVE ────────────────────────────────────────── */
@media (max-width: 1024px) {
  .sidebar {
    transform: translateX(-100%);
    width: var(--sidebar-width);
  }

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

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

  .topbar__menu-btn { display: flex; }
  .page-content { padding: 1.25rem; }
  .form-grid--2 { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .stats-grid { grid-template-columns: 1fr; }
  .quick-actions__grid { grid-template-columns: 1fr; }
  .login-card { padding: 1.75rem; }
  .table th, .table td { padding: 0.625rem 0.75rem; }
  .topbar { padding: 0 1rem; }
}

/* ─── 20. SCROLLBAR PERSONALIZADO ──────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-hover); }