/**
 * SistemaModulable — main.css
 * Sistema de diseño principal: variables CSS, layout, componentes, dark mode.
 * Complementa Bootstrap 5.3 — NO lo reemplaza.
 */

/* ══════════════════════════════════════════════════════════════
   1. VARIABLES CSS (Design Tokens)
   ══════════════════════════════════════════════════════════════ */
:root {
  /* Brand */
  --sm-primary:       #6366f1;   /* Índigo — acción principal */
  --sm-primary-dark:  #4f46e5;
  --sm-primary-light: #e0e7ff;
  --sm-secondary:     #8b5cf6;   /* Violeta */
  --sm-accent:        #06b6d4;   /* Cian — destacados */

  /* Estado */
  --sm-success:       #16a34a;
  --sm-warning:       #d97706;
  --sm-danger:        #dc2626;
  --sm-info:          #0284c7;

  /* Superficies */
  --sm-bg:            #f8fafc;
  --sm-surface:       #ffffff;
  --sm-surface-2:     #f1f5f9;
  --sm-border:        #e2e8f0;
  --sm-border-hover:  #cbd5e1;

  /* Texto */
  --sm-text:          #0f172a;
  --sm-text-muted:    #64748b;
  --sm-text-light:    #94a3b8;

  /* Sidebar */
  --sm-sidebar-bg:    #1e1b4b;   /* Índigo muy oscuro */
  --sm-sidebar-text:  #c7d2fe;
  --sm-sidebar-hover: rgba(255,255,255,.08);
  --sm-sidebar-active:#6366f1;
  --sm-sidebar-width: 260px;
  --sm-sidebar-collapsed: 64px;

  /* Topbar */
  --sm-topbar-height: 60px;
  --sm-topbar-bg:     #ffffff;
  --sm-topbar-border: #e2e8f0;

  /* Shadows */
  --sm-shadow-sm:   0 1px 3px rgba(0,0,0,.08);
  --sm-shadow:      0 4px 16px rgba(0,0,0,.10);
  --sm-shadow-lg:   0 8px 32px rgba(0,0,0,.14);

  /* Border radius */
  --sm-radius-sm:   6px;
  --sm-radius:      10px;
  --sm-radius-lg:   16px;
  --sm-radius-xl:   24px;

  /* Tipografía */
  --sm-font:        'Inter', system-ui, -apple-system, sans-serif;
  --sm-font-mono:   'JetBrains Mono', 'Fira Code', monospace;

  /* Transiciones */
  --sm-transition:  all .2s ease;
}

/* ── Dark Mode ────────────────────────────────────────────────── */
[data-theme="dark"] {
  --sm-bg:          #0f172a;
  --sm-surface:     #1e293b;
  --sm-surface-2:   #273548;
  --sm-border:      #334155;
  --sm-border-hover:#475569;
  --sm-text:        #f1f5f9;
  --sm-text-muted:  #94a3b8;
  --sm-text-light:  #64748b;
  --sm-topbar-bg:   #1e293b;
  --sm-topbar-border:#334155;
  --sm-shadow-sm:   0 1px 3px rgba(0,0,0,.3);
  --sm-shadow:      0 4px 16px rgba(0,0,0,.4);
}

/* ══════════════════════════════════════════════════════════════
   2. RESET Y BASE
   ══════════════════════════════════════════════════════════════ */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--sm-font);
  background: var(--sm-bg);
  color: var(--sm-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background .3s ease, color .3s ease;
}

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

img { max-width: 100%; height: auto; }

/* ══════════════════════════════════════════════════════════════
   3. LAYOUT DEL DASHBOARD (Sidebar + Topbar + Content)
   ══════════════════════════════════════════════════════════════ */

/* Wrapper principal */
.sm-layout {
  display: flex;
  min-height: 100vh;
}

/* ── Sidebar ──────────────────────────────────────────────────── */
.sm-sidebar {
  width: var(--sm-sidebar-width);
  background: var(--sm-sidebar-bg);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 1000;
  transition: width .25s ease;
  overflow: hidden;
}

.sm-sidebar.collapsed {
  width: var(--sm-sidebar-collapsed);
}

/* Logo */
.sm-sidebar-logo {
  padding: 1.25rem 1rem;
  display: flex;
  align-items: center;
  gap: .75rem;
  border-bottom: 1px solid rgba(255,255,255,.08);
  min-height: var(--sm-topbar-height);
}

.sm-sidebar-logo-icon {
  width: 36px; height: 36px;
  background: var(--sm-primary);
  border-radius: var(--sm-radius-sm);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  color: #fff;
  font-size: 1.1rem;
}

.sm-sidebar-logo-text {
  font-weight: 700;
  font-size: .9rem;
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
}

/* Nav items */
.sm-nav {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: .75rem 0;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,.1) transparent;
}

.sm-nav-section {
  padding: .5rem 1rem .25rem;
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: rgba(255,255,255,.3);
  white-space: nowrap;
  overflow: hidden;
}

.sm-sidebar.collapsed .sm-nav-section { opacity: 0; }

.sm-nav-item {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .6rem 1rem;
  margin: .1rem .5rem;
  border-radius: var(--sm-radius-sm);
  color: var(--sm-sidebar-text);
  cursor: pointer;
  transition: var(--sm-transition);
  white-space: nowrap;
  text-decoration: none;
  position: relative;
}

.sm-nav-item:hover {
  background: var(--sm-sidebar-hover);
  color: #fff;
}

.sm-nav-item.active {
  background: var(--sm-sidebar-active);
  color: #fff;
}

.sm-nav-item i {
  font-size: 1.1rem;
  flex-shrink: 0;
  width: 20px;
  text-align: center;
}

.sm-nav-label {
  font-size: .875rem;
  font-weight: 500;
}

.sm-sidebar.collapsed .sm-nav-label { display: none; }

/* Badge en nav */
.sm-nav-badge {
  margin-left: auto;
  background: var(--sm-danger);
  color: #fff;
  font-size: .65rem;
  font-weight: 700;
  padding: .1rem .4rem;
  border-radius: 10px;
  min-width: 18px;
  text-align: center;
}

.sm-sidebar.collapsed .sm-nav-badge { display: none; }

/* Submenu */
.sm-nav-sub {
  padding-left: 2.75rem;
}

.sm-nav-sub .sm-nav-item {
  margin: 0 .5rem;
  font-size: .8rem;
  padding: .45rem .75rem;
}

/* Sidebar footer */
.sm-sidebar-footer {
  padding: .75rem;
  border-top: 1px solid rgba(255,255,255,.08);
}

/* ── Topbar ───────────────────────────────────────────────────── */
.sm-topbar {
  height: var(--sm-topbar-height);
  background: var(--sm-topbar-bg);
  border-bottom: 1px solid var(--sm-topbar-border);
  display: flex;
  align-items: center;
  padding: 0 1.5rem;
  gap: 1rem;
  position: fixed;
  top: 0;
  left: var(--sm-sidebar-width);
  right: 0;
  z-index: 999;
  transition: left .25s ease;
}

.sm-sidebar.collapsed ~ .sm-main .sm-topbar,
.sm-sidebar.collapsed + .sm-main .sm-topbar {
  left: var(--sm-sidebar-collapsed);
}

.sm-topbar-toggle {
  background: none; border: none; padding: .4rem;
  border-radius: var(--sm-radius-sm);
  color: var(--sm-text-muted);
  cursor: pointer;
  font-size: 1.2rem;
  transition: var(--sm-transition);
}

.sm-topbar-toggle:hover {
  background: var(--sm-surface-2);
  color: var(--sm-text);
}

.sm-topbar-search {
  flex: 1;
  max-width: 400px;
}

.sm-topbar-search input {
  width: 100%;
  background: var(--sm-surface-2);
  border: 1px solid var(--sm-border);
  border-radius: var(--sm-radius-sm);
  padding: .4rem .75rem .4rem 2.2rem;
  font-size: .875rem;
  color: var(--sm-text);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' fill='%2394a3b8' viewBox='0 0 16 16'%3E%3Cpath d='M11.742 10.344a6.5 6.5 0 1 0-1.397 1.398l3.85 3.85a1 1 0 0 0 1.415-1.414l-3.868-3.834zm-5.242 1.656a5.5 5.5 0 1 1 0-11 5.5 5.5 0 0 1 0 11z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: .6rem center;
  transition: var(--sm-transition);
}

.sm-topbar-search input:focus {
  outline: none;
  border-color: var(--sm-primary);
  background-color: var(--sm-surface);
}

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

.sm-topbar-btn {
  width: 36px; height: 36px;
  border-radius: var(--sm-radius-sm);
  border: none;
  background: none;
  color: var(--sm-text-muted);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  cursor: pointer;
  transition: var(--sm-transition);
  position: relative;
}

.sm-topbar-btn:hover {
  background: var(--sm-surface-2);
  color: var(--sm-text);
}

/* Avatar usuario */
.sm-user-avatar {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--sm-primary);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: .8rem;
  font-weight: 700;
  cursor: pointer;
  overflow: hidden;
}

/* ── Main content ─────────────────────────────────────────────── */
.sm-main {
  margin-left: var(--sm-sidebar-width);
  flex: 1;
  min-width: 0;
  transition: margin-left .25s ease;
}

.sm-sidebar.collapsed ~ .sm-main {
  margin-left: var(--sm-sidebar-collapsed);
}

.sm-content {
  padding: calc(var(--sm-topbar-height) + 1.5rem) 1.5rem 1.5rem;
  min-height: 100vh;
}

/* Page header */
.sm-page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.sm-page-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--sm-text);
  margin: 0;
}

.sm-page-subtitle {
  font-size: .875rem;
  color: var(--sm-text-muted);
  margin: .25rem 0 0;
}

/* ══════════════════════════════════════════════════════════════
   4. COMPONENTES
   ══════════════════════════════════════════════════════════════ */

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

.sm-card-header {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--sm-border);
  display: flex;
  align-items: center;
  gap: .75rem;
}

.sm-card-title {
  font-size: .95rem;
  font-weight: 600;
  color: var(--sm-text);
  margin: 0;
}

.sm-card-body { padding: 1.25rem; }
.sm-card-footer {
  padding: .75rem 1.25rem;
  border-top: 1px solid var(--sm-border);
  background: var(--sm-surface-2);
}

/* ── KPI Cards ────────────────────────────────────────────────── */
.sm-kpi {
  background: var(--sm-surface);
  border: 1px solid var(--sm-border);
  border-radius: var(--sm-radius);
  padding: 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.sm-kpi-icon {
  width: 48px; height: 48px;
  border-radius: var(--sm-radius);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}

.sm-kpi-value {
  font-size: 1.75rem;
  font-weight: 800;
  line-height: 1;
  color: var(--sm-text);
}

.sm-kpi-label {
  font-size: .8rem;
  color: var(--sm-text-muted);
  margin-top: .25rem;
}

.sm-kpi-trend {
  font-size: .75rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: .2rem;
  margin-top: .25rem;
}

.sm-kpi-trend.up   { color: var(--sm-success); }
.sm-kpi-trend.down { color: var(--sm-danger); }

/* Colores KPI */
.sm-kpi-primary   .sm-kpi-icon { background: var(--sm-primary-light); color: var(--sm-primary); }
.sm-kpi-success   .sm-kpi-icon { background: #dcfce7; color: var(--sm-success); }
.sm-kpi-warning   .sm-kpi-icon { background: #fef3c7; color: var(--sm-warning); }
.sm-kpi-danger    .sm-kpi-icon { background: #fee2e2; color: var(--sm-danger); }
.sm-kpi-info      .sm-kpi-icon { background: #e0f2fe; color: var(--sm-info); }

/* ── Botones ──────────────────────────────────────────────────── */
.btn-sm-primary {
  background: var(--sm-primary);
  color: #fff; border: none;
  padding: .5rem 1.1rem;
  border-radius: var(--sm-radius-sm);
  font-size: .875rem; font-weight: 600;
  cursor: pointer; transition: var(--sm-transition);
  display: inline-flex; align-items: center; gap: .4rem;
}

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

.btn-sm-outline {
  background: transparent;
  color: var(--sm-primary);
  border: 1.5px solid var(--sm-primary);
  padding: .5rem 1.1rem;
  border-radius: var(--sm-radius-sm);
  font-size: .875rem; font-weight: 600;
  cursor: pointer; transition: var(--sm-transition);
  display: inline-flex; align-items: center; gap: .4rem;
}

.btn-sm-outline:hover { background: var(--sm-primary-light); }

.btn-sm-ghost {
  background: transparent;
  color: var(--sm-text-muted);
  border: none;
  padding: .4rem .75rem;
  border-radius: var(--sm-radius-sm);
  font-size: .875rem;
  cursor: pointer; transition: var(--sm-transition);
  display: inline-flex; align-items: center; gap: .4rem;
}

.btn-sm-ghost:hover { background: var(--sm-surface-2); color: var(--sm-text); }

/* ── Badges / Etiquetas de estado ────────────────────────────── */
.sm-badge {
  display: inline-flex; align-items: center; gap: .3rem;
  padding: .2rem .6rem;
  border-radius: 20px;
  font-size: .75rem; font-weight: 600;
  white-space: nowrap;
}

.sm-badge-success  { background: #dcfce7; color: #15803d; }
.sm-badge-warning  { background: #fef3c7; color: #b45309; }
.sm-badge-danger   { background: #fee2e2; color: #b91c1c; }
.sm-badge-info     { background: #e0f2fe; color: #0369a1; }
.sm-badge-neutral  { background: var(--sm-surface-2); color: var(--sm-text-muted); }
.sm-badge-primary  { background: var(--sm-primary-light); color: var(--sm-primary-dark); }

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

.sm-table {
  width: 100%; border-collapse: collapse;
  font-size: .875rem;
}

.sm-table th {
  background: var(--sm-surface-2);
  padding: .75rem 1rem;
  text-align: left;
  font-weight: 600;
  font-size: .8rem;
  color: var(--sm-text-muted);
  text-transform: uppercase;
  letter-spacing: .03em;
  border-bottom: 1px solid var(--sm-border);
  white-space: nowrap;
}

.sm-table td {
  padding: .75rem 1rem;
  border-bottom: 1px solid var(--sm-border);
  color: var(--sm-text);
  vertical-align: middle;
}

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

.sm-table tbody tr { transition: background .15s; }
.sm-table tbody tr:hover { background: var(--sm-surface-2); }

/* ── Formularios ─────────────────────────────────────────────── */
.sm-form-group { margin-bottom: 1rem; }

.sm-label {
  display: block;
  font-size: .8rem;
  font-weight: 600;
  color: var(--sm-text-muted);
  margin-bottom: .4rem;
  text-transform: uppercase;
  letter-spacing: .04em;
}

.sm-input {
  width: 100%;
  background: var(--sm-surface);
  border: 1.5px solid var(--sm-border);
  border-radius: var(--sm-radius-sm);
  padding: .55rem .85rem;
  font-size: .875rem;
  color: var(--sm-text);
  transition: var(--sm-transition);
  font-family: var(--sm-font);
}

.sm-input:focus {
  outline: none;
  border-color: var(--sm-primary);
  box-shadow: 0 0 0 3px var(--sm-primary-light);
}

.sm-input::placeholder { color: var(--sm-text-light); }

.sm-input.error {
  border-color: var(--sm-danger);
  box-shadow: 0 0 0 3px #fee2e2;
}

.sm-input-help {
  font-size: .75rem;
  color: var(--sm-text-muted);
  margin-top: .3rem;
}

.sm-input-error {
  font-size: .75rem;
  color: var(--sm-danger);
  margin-top: .3rem;
  display: flex; align-items: center; gap: .3rem;
}

/* ── Toasts / Notificaciones ────────────────────────────────── */
#sm-toast-container {
  position: fixed;
  bottom: 1.5rem; right: 1.5rem;
  z-index: 9999;
  display: flex; flex-direction: column; gap: .5rem;
  pointer-events: none;
}

.sm-toast {
  background: var(--sm-surface);
  border: 1px solid var(--sm-border);
  border-left: 4px solid var(--sm-primary);
  border-radius: var(--sm-radius-sm);
  box-shadow: var(--sm-shadow-lg);
  padding: .875rem 1rem;
  display: flex; align-items: flex-start; gap: .75rem;
  max-width: 360px;
  pointer-events: all;
  animation: toastIn .25s ease forwards;
}

.sm-toast.success { border-left-color: var(--sm-success); }
.sm-toast.error   { border-left-color: var(--sm-danger); }
.sm-toast.warning { border-left-color: var(--sm-warning); }

.sm-toast-icon { font-size: 1.1rem; flex-shrink: 0; margin-top: .05rem; }
.sm-toast-body { flex: 1; }
.sm-toast-title { font-weight: 600; font-size: .875rem; }
.sm-toast-msg   { font-size: .8rem; color: var(--sm-text-muted); }
.sm-toast-close {
  background: none; border: none; cursor: pointer;
  color: var(--sm-text-light); font-size: .875rem; padding: 0;
  flex-shrink: 0;
}

@keyframes toastIn {
  from { opacity: 0; transform: translateX(1rem); }
  to   { opacity: 1; transform: translateX(0); }
}

/* ── Modales ─────────────────────────────────────────────────── */
.sm-modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.5);
  backdrop-filter: blur(2px);
  z-index: 2000;
  display: flex; align-items: center; justify-content: center;
  padding: 1rem;
  animation: fadeIn .2s ease;
}

.sm-modal {
  background: var(--sm-surface);
  border-radius: var(--sm-radius-lg);
  box-shadow: var(--sm-shadow-lg);
  max-width: 560px; width: 100%;
  max-height: 90vh; overflow-y: auto;
  animation: slideUp .25s ease;
}

.sm-modal-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--sm-border);
  display: flex; align-items: center; justify-content: space-between;
}

.sm-modal-title { font-size: 1rem; font-weight: 700; margin: 0; }
.sm-modal-close {
  background: none; border: none; cursor: pointer;
  font-size: 1.2rem; color: var(--sm-text-muted);
  padding: .25rem; border-radius: var(--sm-radius-sm);
  transition: var(--sm-transition);
}
.sm-modal-close:hover { background: var(--sm-surface-2); color: var(--sm-text); }

.sm-modal-body   { padding: 1.5rem; }
.sm-modal-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--sm-border);
  display: flex; justify-content: flex-end; gap: .75rem;
}

@keyframes fadeIn  { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp { from { transform: translateY(1rem); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

/* ── WhatsApp flotante ───────────────────────────────────────── */
.sm-whatsapp-float {
  position: fixed;
  bottom: 1.5rem; left: 1.5rem;
  z-index: 900;
  width: 56px; height: 56px;
  border-radius: 50%;
  background: #25d366;
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem;
  box-shadow: 0 4px 20px rgba(37,211,102,.5);
  transition: transform .2s ease, box-shadow .2s ease;
  text-decoration: none;
}

.sm-whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(37,211,102,.6);
  color: #fff;
}

/* ── Selector de idioma ──────────────────────────────────────── */
.sm-lang-switcher {
  position: relative; display: inline-block;
}

.sm-lang-current {
  display: flex; align-items: center; gap: .4rem;
  padding: .3rem .6rem;
  border-radius: var(--sm-radius-sm);
  border: 1px solid var(--sm-border);
  cursor: pointer; background: var(--sm-surface);
  font-size: .8rem; font-weight: 600;
  color: var(--sm-text);
  transition: var(--sm-transition);
}

.sm-lang-current:hover { border-color: var(--sm-primary); }

.sm-lang-flag {
  width: 20px; height: 14px;
  border-radius: 2px; object-fit: cover;
}

.sm-lang-dropdown {
  position: absolute; top: calc(100% + .25rem); right: 0;
  background: var(--sm-surface);
  border: 1px solid var(--sm-border);
  border-radius: var(--sm-radius);
  box-shadow: var(--sm-shadow);
  min-width: 150px;
  z-index: 1000;
  overflow: hidden;
  display: none;
}

.sm-lang-switcher:hover .sm-lang-dropdown,
.sm-lang-dropdown.open { display: block; }

.sm-lang-option {
  display: flex; align-items: center; gap: .6rem;
  padding: .6rem .875rem;
  font-size: .825rem;
  color: var(--sm-text);
  cursor: pointer;
  transition: background .15s;
  text-decoration: none;
}

.sm-lang-option:hover { background: var(--sm-surface-2); color: var(--sm-text); }
.sm-lang-option.active { font-weight: 600; color: var(--sm-primary); }

/* ══════════════════════════════════════════════════════════════
   5. LANDING PAGE
   ══════════════════════════════════════════════════════════════ */

/* ── Navbar landing ──────────────────────────────────────────── */
.sm-landing-nav {
  position: sticky; top: 0;
  background: rgba(255,255,255,.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--sm-border);
  padding: .875rem 0;
  z-index: 100;
}

[data-theme="dark"] .sm-landing-nav {
  background: rgba(15,23,42,.9);
}

/* ── Hero ────────────────────────────────────────────────────── */
.sm-hero {
  padding: 5rem 0 4rem;
  text-align: center;
  background: linear-gradient(135deg, #f0f4ff 0%, #faf5ff 50%, #ecfdf5 100%);
  position: relative; overflow: hidden;
}

[data-theme="dark"] .sm-hero {
  background: linear-gradient(135deg, #1e1b4b 0%, #1e293b 50%, #0d1f17 100%);
}

.sm-hero::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(99,102,241,.15) 0%, transparent 70%);
}

.sm-hero-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  line-height: 1.15;
  color: var(--sm-text);
  margin-bottom: 1.25rem;
}

.sm-hero-title span {
  background: linear-gradient(135deg, var(--sm-primary), var(--sm-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.sm-hero-subtitle {
  font-size: 1.15rem;
  color: var(--sm-text-muted);
  max-width: 560px; margin: 0 auto 2rem;
  line-height: 1.7;
}

/* ── Módulo card (landing) ───────────────────────────────────── */
.sm-module-card {
  background: var(--sm-surface);
  border: 1px solid var(--sm-border);
  border-radius: var(--sm-radius-lg);
  padding: 1.5rem;
  transition: var(--sm-transition);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.sm-module-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--sm-primary), var(--sm-secondary));
  transform: scaleX(0);
  transition: transform .3s ease;
}

.sm-module-card:hover {
  border-color: var(--sm-primary);
  box-shadow: var(--sm-shadow);
  transform: translateY(-2px);
}

.sm-module-card:hover::before { transform: scaleX(1); }

.sm-module-card.selected {
  border-color: var(--sm-primary);
  background: var(--sm-primary-light);
}

.sm-module-card.selected::before { transform: scaleX(1); }

.sm-module-icon {
  width: 52px; height: 52px;
  border-radius: var(--sm-radius);
  background: var(--sm-primary-light);
  color: var(--sm-primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 1rem;
}

.sm-module-price {
  font-size: .8rem;
  font-weight: 700;
  color: var(--sm-primary);
  margin-top: .5rem;
}

/* ── Pricing section ─────────────────────────────────────────── */
.sm-price-section {
  background: var(--sm-surface-2);
  padding: 5rem 0;
}

/* ══════════════════════════════════════════════════════════════
   6. RESPONSIVE
   ══════════════════════════════════════════════════════════════ */
@media (max-width: 991px) {
  .sm-sidebar {
    transform: translateX(-100%);
    width: var(--sm-sidebar-width) !important;
  }

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

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

  .sm-topbar { left: 0 !important; }

  .sm-sidebar-overlay {
    display: none;
    position: fixed; inset: 0;
    background: rgba(0,0,0,.5);
    z-index: 999;
  }

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

@media (max-width: 575px) {
  .sm-content { padding-left: 1rem; padding-right: 1rem; }
  .sm-page-header { flex-direction: column; align-items: flex-start; }
  .sm-topbar { padding: 0 1rem; }
  .sm-topbar-search { display: none; }
}

/* ══════════════════════════════════════════════════════════════
   7. UTILIDADES EXTRAS
   ══════════════════════════════════════════════════════════════ */
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.text-primary-sm { color: var(--sm-primary); }
.text-muted-sm   { color: var(--sm-text-muted); }
.bg-surface      { background: var(--sm-surface); }
.bg-surface-2    { background: var(--sm-surface-2); }
.border-sm       { border: 1px solid var(--sm-border); }
.rounded-sm      { border-radius: var(--sm-radius); }

/* Loading spinner inline */
.sm-spinner {
  width: 18px; height: 18px;
  border: 2px solid rgba(99,102,241,.2);
  border-top-color: var(--sm-primary);
  border-radius: 50%;
  animation: spin .7s linear infinite;
  display: inline-block;
}

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

/* Skeleton loader */
.sm-skeleton {
  background: linear-gradient(90deg, var(--sm-surface-2) 25%, var(--sm-border) 50%, var(--sm-surface-2) 75%);
  background-size: 200% 100%;
  animation: skeleton 1.5s infinite;
  border-radius: var(--sm-radius-sm);
}

@keyframes skeleton {
  from { background-position: 200% 0; }
  to   { background-position: -200% 0; }
}

/* Divider con texto */
.sm-divider {
  display: flex; align-items: center; gap: 1rem;
  color: var(--sm-text-muted); font-size: .8rem;
  margin: 1.25rem 0;
}

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


/* --------------------------------------------------------------
   LAUNCHPAD / HOMESCREEN � Escritorio Tipo Movil/Tablet
   -------------------------------------------------------------- */

body.page-homescreen { background: transparent; overflow: hidden; }

.sm-homescreen { position: fixed; inset: 0; z-index: 0; background: linear-gradient(160deg, #0f0c29 0%, #302b63 40%, #24243e 100%); overflow: hidden; }

.sm-homescreen::before { content: ''; position: absolute; width: 600px; height: 600px; border-radius: 50%; background: radial-gradient(circle, rgba(99,102,241,0.25) 0%, transparent 70%); top: -150px; right: -100px; pointer-events: none; }

.sm-homescreen::after { content: ''; position: absolute; width: 500px; height: 500px; border-radius: 50%; background: radial-gradient(circle, rgba(139,92,246,0.20) 0%, transparent 70%); bottom: -100px; left: -100px; pointer-events: none; }