/* Nitro Core Design System (unificado)
   --------------------------------------------------
   Objetivo: Variables y componentes base reutilizables para TODO el plugin.
   No sobrescribir agresivamente frameworks externos.
*/

/* 1. Reset/normalización ligera */
:root {
  --sn-font-sans: "Inter", system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue",
    Arial, sans-serif;
  --sn-font-mono: "JetBrains Mono", "Fira Code", monospace;

  /* Colores base */
  --sn-color-bg: #0a0a0a; /* negro base */
  --sn-color-bg-alt: #141414; /* gris-neutro muy oscuro */
  --sn-color-surface: #1a1a1a; /* superficie principal */
  --sn-color-surface-alt: #202020; /* superficie secundaria */
  --sn-color-border: #2a2a2a; /* borde oscuro */
  --sn-color-border-light: #333; /* borde más claro */
  --sn-color-overlay: rgba(0, 0, 0, 0.85);

  --sn-color-text: #ffffff; /* texto principal */
  --sn-color-text-soft: #ffffff; /* texto secundario */
  --sn-color-text-faint: #ffffff; /* texto tenue */

  /* Tema (custom principal solicitado) */
  --sn-theme-primary: #c90d05; /* rojo tema */
  --sn-theme-primary-accent: #9e0a03; /* rojo más oscuro para hover/borde */
  --sn-theme-primary-hover: #e01006; /* rojo un poco más vivo al pasar */
  --sn-grad-theme: linear-gradient(
    135deg,
    var(--sn-theme-primary),
    var(--sn-theme-primary-accent)
  );

  /* Acento */
  --sn-color-accent: #8b0000; /* rojo oscuro tipo "darkred" */
  --sn-color-accent-hover: #a30f0f; /* rojo un poco más vivo */

  /* Paleta de acción / estados */
  --sn-primary: #0b63d6;
  --sn-primary-accent: #0756b8;
  --sn-primary-soft: #1b5fa8;
  --sn-accent: #25d366; /* usado en chat */
  --sn-danger: #dc3545;
  --sn-danger-alt: #a33c1a;
  --sn-warning: #fbbf24;
  --sn-success: #28a745;
  --sn-info: #0ea5e9;
  --sn-muted: #4b5563;

  /* Gradientes utilitarios */
  --sn-grad-primary: linear-gradient(
    180deg,
    var(--sn-primary),
    var(--sn-primary-accent)
  );
  --sn-grad-danger: linear-gradient(135deg, #7a2323, #3a1616);
  --sn-grad-warning: linear-gradient(135deg, #7a5c1c, #4d3a13);
  --sn-grad-success: linear-gradient(135deg, #23422d, #1a2c1d);
  --sn-grad-muted: linear-gradient(135deg, #444950, #23272b);

  /* Tipografía base */
  /* Sistema escalable: ajustar --sn-font-scale (default 1) para subir/bajar “un punto” localmente sin romper rem global */
  --sn-font-scale: 1.1; /* se puede sobrescribir en un contenedor */
  --sn-font-size-xs-base: 0.65rem;
  --sn-font-size-sm-base: 0.75rem;
  --sn-font-size-base: 0.875rem; /* 14px */
  --sn-font-size-md-base: 0.95rem;
  --sn-font-size-lg-base: 1.05rem;
  /* Variables consumidas por componentes (derivadas de *-base * escala) */
  --sn-font-size-xs: calc(var(--sn-font-size-xs-base) * var(--sn-font-scale));
  --sn-font-size-sm: calc(var(--sn-font-size-sm-base) * var(--sn-font-scale));
  --sn-font-size: calc(var(--sn-font-size-base) * var(--sn-font-scale));
  --sn-font-size-md: calc(var(--sn-font-size-md-base) * var(--sn-font-scale));
  --sn-font-size-lg: calc(var(--sn-font-size-lg-base) * var(--sn-font-scale));
  --sn-line-height: 1.35;

  /* Espaciado (8pt baseline) */
  --sn-space-1: 4px;
  --sn-space-2: 8px;
  --sn-space-3: 12px;
  --sn-space-4: 16px;
  --sn-space-5: 20px;
  --sn-space-6: 24px;

  /* Bordes */
  --sn-radius-xs: 3px;
  --sn-radius-sm: 6px;
  --sn-radius: 8px;
  --sn-radius-lg: 12px;
  --sn-radius-pill: 999px;
  /* Nuevo radio estándar para botones (rectangular redondeado) */
  --sn-radius-btn: 10px;

  /* Sombras */
  --sn-shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.4);
  --sn-shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.45);
  --sn-shadow: 0 4px 18px -2px rgba(0, 0, 0, 0.55);
  --sn-shadow-lg: 0 12px 40px -4px rgba(0, 0, 0, 0.6);

  /* Z-index escala */
  --sn-z-dropdown: 4000;
  --sn-z-sticky: 4500;
  --sn-z-modal: 5000;
  --sn-z-toast: 5500;
  --sn-z-max: 9999;
}

html {
  box-sizing: border-box;
}
*,
*::before,
*::after {
  box-sizing: inherit;
}
body {
  font-family: var(--sn-font-sans);
  color: var(--sn-color-text);
  background: var(--sn-color-bg);
}

/* Scrollbar (oscuro) */
.sn-scroll-thin {
  scrollbar-width: thin;
  scrollbar-color: var(--sn-color-border-light) transparent;
}
.sn-scroll-thin::-webkit-scrollbar {
  width: 8px;
}
.sn-scroll-thin::-webkit-scrollbar-track {
  background: transparent;
}
.sn-scroll-thin::-webkit-scrollbar-thumb {
  background: var(--sn-color-border-light);
  border-radius: 4px;
}

/* 2. Utilidades pequeñas */
.sn-flex {
  display: flex;
}
.sn-center {
  display: flex;
  align-items: center;
  justify-content: center;
}
.sn-gap-1 {
  gap: var(--sn-space-1);
}
.sn-gap-2 {
  gap: var(--sn-space-2);
}
.sn-gap-3 {
  gap: var(--sn-space-3);
}
.sn-hidden {
  display: none !important;
}
.sn-text-soft {
  color: var(--sn-color-text-soft) !important;
}
.sn-text-faint {
  color: var(--sn-color-text-faint) !important;
}
.sn-w-100 {
  width: 100% !important;
}
.sn-relative {
  position: relative;
}
.sn-pill {
  border-radius: var(--sn-radius-pill) !important;
}

/* 3. Botones */
/* Botón base unificado (todo rojo tema) */
.sn-btn {
  --_btn-bg: var(--sn-grad-theme);
  --_btn-bg-hover: linear-gradient(
    135deg,
    var(--sn-theme-primary-hover),
    var(--sn-theme-primary-accent)
  );
  --_btn-color: #fff;
  --_btn-border: var(--sn-theme-primary-accent);
  font: 600 var(--sn-font-size) / 1 var(--sn-font-sans);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  cursor: pointer;
  user-select: none;
  border: 1px solid var(--_btn-border);
  background: var(--_btn-bg);
  color: var(--_btn-color);
  padding: 10px 18px;
  border-radius: var(--sn-radius-btn);
  transition: background 0.18s, color 0.18s, box-shadow 0.18s, transform 0.18s;
  position: relative;
  text-decoration: none;
  box-shadow: 0 2px 6px rgba(201, 13, 5, 0.45);
}
.sn-btn:hover,
.sn-btn:focus {
  background: var(--_btn-bg-hover);
  outline: none;
  text-decoration: none;
  filter: brightness(1.05);
}
.sn-btn:active {
  transform: translateY(1px);
}
.sn-btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  filter: grayscale(0.25);
}

/* Variantes anteriores se convierten en alias al mismo tema para uniformidad */
.sn-btn--primary,
.sn-btn--danger,
.sn-btn--success,
.sn-btn--warning,
.sn-btn--muted,
.sn-btn--info,
.sn-btn--theme {
  --_btn-bg: var(--sn-grad-theme);
  --_btn-bg-hover: linear-gradient(
    135deg,
    var(--sn-theme-primary-hover),
    var(--sn-theme-primary-accent)
  );
  --_btn-border: var(--sn-theme-primary-accent);
  color: #fff;
}

/* Outline y ghost mantienen diferenciación visual mínima */
.sn-btn--outline {
  background: transparent;
  --_btn-border: var(--sn-theme-primary);
  color: var(--sn-theme-primary);
  box-shadow: none;
}
.sn-btn--outline:hover {
  background: rgba(201, 13, 5, 0.08);
}
.sn-btn--ghost {
  background: transparent;
  border-color: transparent;
  box-shadow: none;
  color: var(--sn-theme-primary);
}
.sn-btn--ghost:hover {
  background: rgba(201, 13, 5, 0.08);
}

.sn-btn--sm {
  padding: 6px 12px;
  font-size: var(--sn-font-size-sm);
}
.sn-btn--xs {
  padding: 4px 10px;
  font-size: var(--sn-font-size-xs);
}
.sn-btn--lg {
  padding: 14px 24px;
  font-size: var(--sn-font-size-md);
}
.sn-btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
}
.sn-btn-icon.sn-btn--sm {
  width: 32px;
  height: 32px;
}
/* Nuevos tamaños extra (mini/micro) para reemplazar sn-btn-mini / sn-btn-prac / sn-btn-pass */
.sn-btn--mini {
  padding: 4px 10px;
  font-size: var(--sn-font-size-xs);
  min-height: 24px;
  height: 24px;
  line-height: 1;
}
.sn-btn--micro {
  padding: 0 8px;
  font-size: 10px;
  min-height: 18px;
  height: 18px;
  line-height: 1;
  border-radius: var(--sn-radius-xs);
}

/* Map de legacy -> nuevos tamaños (no siempre se podrán eliminar inmediatamente) */
.sn-btn-mini,
.sn-btn-info,
.sn-show-more {
  @supports (color: var(--sn-primary)) {
    font: 600 var(--sn-font-size-xs) / 1 var(--sn-font-sans);
  }
}
.sn-btn-mini,
.sn-btn-info {
  height: 24px;
  min-height: 24px;
  padding: 0 10px;
  border-radius: var(--sn-radius-xs);
}
.sn-btn-prac,
.sn-btn-pass {
  height: 18px;
  min-height: 18px;
  padding: 0 8px;
  font-size: 10px;
  border-radius: var(--sn-radius-xs);
}
.sn-btn-info,
.sn-btn-prac,
.sn-btn-pass,
.sn-show-more {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
}
/* Legacy .sn-btn-info (antes usaba gradiente danger). La redefinimos hacia paleta info para que no parezca desfasado/fondo. */
/* Legacy .sn-btn-info -> mapeada al tema rojo */
/* Legacy .sn-btn-info ajustado al nuevo estilo (misma base, radio estandar) */
.sn-btn-info {
  background: var(--sn-grad-theme) !important;
  color: #fff !important;
  border: 1px solid var(--sn-theme-primary-accent) !important;
  position: relative;
  z-index: 1;
  box-shadow: 0 2px 6px rgba(201, 13, 5, 0.45);
  border-radius: var(--sn-radius-btn) !important;
}
.sn-btn-info:hover {
  filter: brightness(1.06);
}

/* Utilidades para revertir / ajustar */
.sn-btn--square {
  border-radius: var(--sn-radius) !important;
}
.sn-btn--pill {
  border-radius: var(--sn-radius-pill) !important;
}
/* Legacy mini variantes homogeneizadas al rojo */
.sn-btn-prac,
.sn-btn-pass,
.sn-show-more {
  background: var(--sn-grad-theme) !important;
  color: #fff !important;
  border: 1px solid var(--sn-theme-primary-accent) !important;
  box-shadow: 0 1px 4px rgba(201, 13, 5, 0.4);
}
.sn-btn-prac:hover,
.sn-btn-pass:hover,
.sn-show-more:hover {
  filter: brightness(1.06);
}

/* Compatibilidad con clases antiguas de botones */
.chat-btn,
.chat-send-btn,
.sn-btn-primary,
.sn-open-badge.edit,
.sn-open-badge.new,
.sn-ins-badge.open,
.sn-open-badge {
  font: inherit;
  border: none;
}
.chat-btn,
.sn-btn-primary,


/* 4. Inputs base */
.sn-input,
.sn-form input:not([type="checkbox"]):not([type="radio"]),
.sn-form select,
.sn-form textarea,
.select2-container .select2-selection--single {
  background: var(--sn-color-surface);
  border: 1px solid var(--sn-color-border);
  border-radius: var(--sn-radius-pill);
  padding: 10px 16px;
  color: var(--sn-color-text);
  font: 500 var(--sn-font-size) var(--sn-font-sans);
  outline: none;
  width: 100%;
  min-height: 44px;
}
.sn-input:focus,
.sn-form input:focus,
.sn-form select:focus,
.sn-form textarea:focus,
.select2-container .select2-selection--single:focus {
  border-color: var(--sn-primary);
  box-shadow: 0 0 0 2px rgba(11, 99, 214, 0.35);
}
.sn-input--danger {
  border-color: var(--sn-danger) !important;
  box-shadow: 0 0 0 2px rgba(220, 53, 69, 0.25) !important;
}
.sn-input--success {
  border-color: var(--sn-success) !important;
  box-shadow: 0 0 0 2px rgba(40, 167, 69, 0.25) !important;
}
.sn-input--textarea,
.sn-form textarea {
  border-radius: var(--sn-radius-lg);
  min-height: 100px;
  resize: vertical;
}

/* Select2 overrides genéricos modo oscuro */
.select2-container .select2-selection--single {
  display: flex !important;
  align-items: center;
  background: var(--sn-color-surface) !important;
}
.select2-container--default
  .select2-selection--single
  .select2-selection__rendered {
  color: var(--sn-color-text) !important;
  padding-left: 0 !important;
}
.select2-container--default
  .select2-selection--single
  .select2-selection__arrow
  b {
  border-color: var(--sn-color-text) transparent transparent transparent !important;
}
.select2-container--default .select2-dropdown {
  background: var(--sn-color-surface-alt) !important;
  border: 1px solid var(--sn-color-border) !important;
}
.select2-container--default .select2-results__option {
  color: var(--sn-color-text) !important;
}
.select2-container--default .select2-results__option--highlighted {
  background: var(--sn-primary-accent) !important;
}

/* 5. Badges */
.sn-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font: 600 var(--sn-font-size-sm) / 1 var(--sn-font-sans);
  padding: 4px 10px;
  border-radius: 20px;
  background: var(--sn-color-surface-alt);
  color: var(--sn-color-text);
  border: 1px solid var(--sn-color-border);
  letter-spacing: 0.25px;
}
.sn-badge--pill {
  border-radius: var(--sn-radius-pill);
}
.sn-badge--xs {
  padding: 2px 8px;
  font-size: var(--sn-font-size-xs);
}
.sn-badge--lg {
  padding: 6px 14px;
  font-size: var(--sn-font-size);
}
.sn-badge--primary {
  background: var(--sn-grad-primary);
  border-color: var(--sn-primary-accent);
  color: #fff;
}
.sn-badge--danger {
  background: var(--sn-grad-danger);
  color: #fff;
  border-color: #5a2222;
}
.sn-badge--warning {
  background: var(--sn-grad-warning);
  color: #fff;
  border-color: #7a5c1c;
}
.sn-badge--success {
  background: var(--sn-grad-success);
  color: #fff;
  border-color: #23422d;
}
.sn-badge--muted {
  background: var(--sn-grad-muted);
  color: #eee;
  border-color: #444950;
}

/* Licencias (alias de las existentes) */
.badge-principiante {
  background: #6c757d !important;
  border: 2px solid #5a6268 !important;
}
.badge-cobre {
  background: #b87333 !important;
  border: 2px solid #8c6239 !important;
}
.badge-bronce {
  background: #cd7f32 !important;
  border: 2px solid #a86e32 !important;
}
.badge-plata {
  background: #c0c0c0 !important;
  border: 2px solid #a0a0a0 !important;
  color: #333 !important;
}
.badge-oro {
  background: #ffd700 !important;
  border: 2px solid #d4af37 !important;
  color: #333 !important;
}
.badge-platino {
  background: #e5e4e2 !important;
  border: 2px solid #c0c0c0 !important;
  color: #333 !important;
}
.badge-diamante {
  background: #b9f2ff !important;
  border: 2px solid #89c5cc !important;
  color: #333 !important;
}
.badge-elite {
  background: #4b0082 !important;
  border: 2px solid #2e004d !important;
}

/* 6. Modales (núcleo) */
.sn-modal {
  position: fixed;
  inset: 0;
  z-index: var(--sn-z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--sn-space-4);
  background: var(--sn-color-overlay);
  backdrop-filter: blur(2px);
}
.sn-modal__dialog {
  background: var(--sn-color-surface);
  border: 1px solid var(--sn-color-border);
  border-radius: var(--sn-radius-lg);
  width: 100%;
  max-width: 820px;
  max-height: 90vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--sn-shadow-lg);
}
.sn-modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sn-space-2);
  padding: var(--sn-space-3) var(--sn-space-4);
  background: var(--sn-color-surface-alt);
  border-bottom: 1px solid var(--sn-color-border);
}
.sn-modal__title {
  margin: 0;
  font: 600 var(--sn-font-size-md) / 1 var(--sn-font-sans);
}
.sn-modal__close {
  background: transparent;
  border: none;
  color: var(--sn-color-text-soft);
  font-size: 1.1rem;
  cursor: pointer;
  padding: 6px 10px;
  border-radius: var(--sn-radius-sm);
}
.sn-modal__close:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--sn-color-text);
}
.sn-modal__body {
  flex: 1;
  overflow: auto;
  padding: var(--sn-space-4);
  font-size: var(--sn-font-size);
  line-height: var(--sn-line-height);
}
.sn-modal__footer {
  display: flex;
  gap: var(--sn-space-2);
  justify-content: flex-end;
  padding: var(--sn-space-3) var(--sn-space-4);
  border-top: 1px solid var(--sn-color-border);
  background: var(--sn-color-surface-alt);
}

/* Alias para modales existentes */
.sn-ins-modal,
.chat-modal {
  background: var(--sn-color-overlay) !important;
  backdrop-filter: blur(2px);
}
.sn-ins-modal .box,
.chat-modal-content {
  background: var(--sn-color-surface) !important;
  border: 1px solid var(--sn-color-border) !important;
  color: var(--sn-color-text) !important;
}

/* 7. Chips / tags ligeros */
.sn-chip {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  font: 500 var(--sn-font-size-sm) / 1 var(--sn-font-sans);
  background: var(--sn-color-surface-alt);
  border: 1px solid var(--sn-color-border);
  border-radius: var(--sn-radius-pill);
}
.sn-chip--success {
  background: var(--sn-success);
  color: #fff;
}
.sn-chip--danger {
  background: var(--sn-danger);
  color: #fff;
}
.sn-chip--info {
  background: var(--sn-info);
  color: #fff;
}
.sn-tag {
  display: inline-block;
  padding: 2px 6px;
  font: 600 var(--sn-font-size-xs) / 1 var(--sn-font-sans);
  border-radius: var(--sn-radius-xs);
  background: var(--sn-color-surface-alt);
  color: var(--sn-color-text);
}
.sn-tag--dlc {
  background: var(--sn-info);
  color: #fff;
}
.sn-tag--mod {
  background: var(--sn-danger);
  color: #fff;
}
.sn-tag--base {
  background: var(--sn-muted);
  color: #fff;
}

/* 8. Estados / helpers de color */
.sn-text-danger {
  color: var(--sn-danger) !important;
}
.sn-text-success {
  color: var(--sn-success) !important;
}
.sn-text-warning {
  color: var(--sn-warning) !important;
}
.sn-bg-danger {
  background: var(--sn-danger) !important;
}
.sn-bg-success {
  background: var(--sn-success) !important;
}

/* 9. Tab system base (para reutilizar en inscripciones) */
.sn-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sn-space-2);
  background: rgba(255, 255, 255, 0.02);
  padding: var(--sn-space-3);
  border: 1px solid var(--sn-color-border);
  border-radius: var(--sn-radius-lg);
}
.sn-tab {
  padding: var(--sn-space-2) var(--sn-space-4);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--sn-color-border-light);
  border-radius: var(--sn-radius-lg) var(--sn-radius-lg) 0 0;
  cursor: pointer;
  font: 600 var(--sn-font-size-sm) / 1 var(--sn-font-sans);
  position: relative;
  transition: background 0.15s, box-shadow 0.15s, transform 0.15s;
}
.sn-tab:hover {
  background: rgba(255, 255, 255, 0.07);
}
.sn-tab.active {
  background: var(--sn-grad-primary);
  color: #fff;
  border-color: var(--sn-primary-accent);
  box-shadow: 0 10px 30px -6px rgba(7, 86, 184, 0.45);
}
.sn-tabpanel {
  display: none;
  padding: var(--sn-space-4);
  border: 1px solid var(--sn-color-border);
  border-radius: 0 var(--sn-radius-lg) var(--sn-radius-lg) var(--sn-radius-lg);
  background: rgba(255, 255, 255, 0.01);
  margin-top: -1px;
}
.sn-tabpanel.active {
  display: block;
}
/* Variante compacta: para listas de sesiones (reemplazo .sn-tabs-ses) */
.sn-tabs--compact {
  gap: 4px;
  padding: var(--sn-space-2);
}
.sn-tabs--compact .sn-tab {
  padding: 4px 10px;
  font-size: var(--sn-font-size-xs);
  border-radius: var(--sn-radius-pill);
}
.sn-tabs--compact .sn-tab.active {
  box-shadow: none;
}

/* Alias sesiones legacy (.sn-tabs-ses) hacia nuevo sistema */
.sn-tabs-ses {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  list-style: none;
  margin: 0 0 8px;
  padding: 0;
}
.sn-tabs-ses li {
  cursor: pointer;
  background: var(--sn-color-surface-alt);
  border: 1px solid var(--sn-color-border);
  padding: 4px 10px;
  font: 600 var(--sn-font-size-xs) / 1 var(--sn-font-sans);
  border-radius: var(--sn-radius-xs);
  display: flex;
  align-items: center;
  gap: 4px;
  transition: 0.18s;
}
.sn-tabs-ses li.on {
  background: var(--sn-grad-theme);
  border-color: var(--sn-theme-primary-accent);
  color: #fff;
  box-shadow: 0 2px 8px -2px rgba(201, 13, 5, 0.55);
}
.sn-tabs-ses li:not(.on):hover {
  background: var(--sn-color-surface);
}
.sn-tabs-ses li.on i {
  color: #fff !important;
}

/* 16. Tablas unificadas */
.sn-table {
  width: 100%;
  border-collapse: collapse;
  font: 500 var(--sn-font-size-sm) / 1.25 var(--sn-font-sans);
  color: var(--sn-color-text);
  background: var(--sn-color-surface);
}
.sn-table th,
.sn-table td {
  padding: 8px 10px;
  text-align: left;
  border: 1px solid var(--sn-color-border);
  vertical-align: middle;
}
.sn-table thead th {
  background: var(--sn-color-surface-alt);
  font-weight: 600;
  font-size: var(--sn-font-size-sm);
}
.sn-table--compact th,
.sn-table--compact td {
  padding: 4px 6px;
  font-size: var(--sn-font-size-xs);
}
.sn-table--zebra tbody tr:nth-child(odd) {
  background: rgba(255, 255, 255, 0.02);
}
.sn-table--spaced tbody tr {
  border-radius: var(--sn-radius-sm);
  box-shadow: var(--sn-shadow-xs);
}
.sn-table--spaced {
  border-collapse: separate;
  border-spacing: 0 6px;
}
.sn-table--no-border th,
.sn-table--no-border td {
  border: none;
}
.sn-table-responsive {
  width: 100%;
  overflow-x: auto;
}

/* Mapping de tablas legacy internas (sn-det-tab, sn-table-serie, etc.) */
table.sn-det-tab,
.sn-table.sn-table-serie,
.sn-table.sn-horas {
  font: inherit;
}
table.sn-det-tab th,
table.sn-det-tab td {
  padding: 6px 8px;
  border: 1px solid var(--sn-color-border);
}
table.sn-det-tab th {
  background: var(--sn-color-surface-alt);
}

/* 10. Animaciones utilitarias */
@keyframes sn-pulse {
  0%,
  100% {
    filter: brightness(1);
  }
  50% {
    filter: brightness(1.15);
  }
}

/* 17. Paneles genéricos */
.sn-panel {
  --sn-panel-bg: var(--sn-color-surface);
  --sn-panel-border: var(--sn-color-border);
  --sn-panel-radius: var(--sn-radius);
  background: var(--sn-panel-bg);
  border: 1px solid var(--sn-panel-border);
  border-radius: var(--sn-panel-radius);
  padding: var(--sn-space-4);
  color: var(--sn-color-text);
  position: relative;
}
.sn-panel--alt {
  --sn-panel-bg: var(--sn-color-surface-alt);
}
.sn-panel--subtle {
  --sn-panel-bg: rgba(255, 255, 255, 0.02);
}
.sn-panel--outline {
  background: transparent;
}
.sn-panel__header {
  margin: 0 0 var(--sn-space-3);
  font: 600 var(--sn-font-size-md) / 1 var(--sn-font-sans);
  display: flex;
  align-items: center;
  gap: var(--sn-space-2);
  color: var(--sn-color-text);
}
.sn-panel__section {
  margin: 0 0 var(--sn-space-4);
}
.sn-panel__section:last-child {
  margin-bottom: 0;
}
.sn-panel__meta {
  font: 500 var(--sn-font-size-xs) / 1.2 var(--sn-font-sans);
  color: var(--sn-color-text-soft);
  display: flex;
  flex-wrap: wrap;
  gap: var(--sn-space-2);
}
.sn-panel--accent {
  --sn-panel-border: var(--sn-primary);
  box-shadow: 0 0 0 1px var(--sn-primary) inset,
    0 4px 18px -4px rgba(11, 99, 214, 0.35);
}
.sn-panel--danger {
  --sn-panel-border: var(--sn-danger);
  box-shadow: 0 0 0 1px var(--sn-danger) inset,
    0 4px 18px -4px rgba(220, 53, 69, 0.35);
}

/* 18. Timeline / flow helpers */
.sn-timeline {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--sn-space-3);
  padding-left: 18px;
}
.sn-timeline:before {
  content: "";
  position: absolute;
  left: 6px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--sn-color-border);
}
.sn-timeline-item {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.sn-timeline-item:before {
  content: "";
  position: absolute;
  left: -12px;
  top: 4px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--sn-color-surface-alt);
  border: 2px solid var(--sn-color-border-light);
  box-shadow: 0 0 0 2px var(--sn-color-bg);
}
.sn-timeline-item--current:before {
  background: var(--sn-primary);
  border-color: var(--sn-primary-accent);
}
.sn-timeline-item--success:before {
  background: var(--sn-success);
  border-color: var(--sn-success);
}
.sn-timeline-item--danger:before {
  background: var(--sn-danger);
  border-color: var(--sn-danger);
}
.sn-timeline-item__title {
  font: 600 var(--sn-font-size-sm) / 1.2 var(--sn-font-sans);
}
.sn-timeline-item__meta {
  font: 500 var(--sn-font-size-xs) / 1.2 var(--sn-font-sans);
  color: var(--sn-color-text-faint);
}

/* 19. Fixture / flow row utility (mapea a tfx-flow) */
.sn-flow-row {
  --sn-flow-bg: var(--sn-color-surface-alt);
  --sn-flow-border: var(--sn-color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sn-space-2);
  padding: 6px 8px;
  background: var(--sn-flow-bg);
  border: 1px solid var(--sn-flow-border);
  border-radius: var(--sn-radius-sm);
  font: 500 var(--sn-font-size-sm) / 1.2 var(--sn-font-sans);
}
.sn-flow-row--success {
  --sn-flow-bg: linear-gradient(135deg, #13271a, #1e3a28);
  --sn-flow-border: #2e5a3b;
}
.sn-flow-row--danger {
  --sn-flow-bg: linear-gradient(135deg, #2a1717, #3a1f1f);
  --sn-flow-border: #6a2a2a;
}
.sn-flow-row--pending {
  --sn-flow-bg: linear-gradient(135deg, #1f1a12, #2a2416);
  --sn-flow-border: #6a5a20;
}
.sn-flow-pos {
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  color: var(--sn-color-text-soft);
}
.sn-flow-dest {
  color: var(--sn-color-text);
}

/* 20. Compact badge / pill align (para mapping rápido tfx-pos-pill) */
.sn-mini-pill {
  --sn-mini-pill-bg: var(--sn-color-surface-alt);
  --sn-mini-pill-border: var(--sn-color-border);
  --sn-mini-pill-fg: var(--sn-color-text-soft);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  font: 600 var(--sn-font-size-xs) / 1 var(--sn-font-sans);
  border: 1px solid var(--sn-mini-pill-border);
  background: var(--sn-mini-pill-bg);
  color: var(--sn-mini-pill-fg);
  border-radius: var(--sn-radius-pill);
}
.sn-mini-pill--success {
  --sn-mini-pill-bg: #13271a;
  --sn-mini-pill-border: #2e5a3b;
  --sn-mini-pill-fg: #d4f2dd;
}
.sn-mini-pill--danger {
  --sn-mini-pill-bg: #2a1717;
  --sn-mini-pill-border: #6a2a2a;
  --sn-mini-pill-fg: #f6d1d1;
}
.sn-mini-pill--warning {
  --sn-mini-pill-bg: #1f1a12;
  --sn-mini-pill-border: #6a5a20;
  --sn-mini-pill-fg: #f6e3b9;
}

/* 21. Utility spacing & layout extras */
.sn-stack-sm {
  display: flex;
  flex-direction: column;
  gap: var(--sn-space-2);
}
.sn-stack {
  display: flex;
  flex-direction: column;
  gap: var(--sn-space-3);
}
.sn-inline {
  display: inline-flex;
  align-items: center;
  gap: var(--sn-space-2);
}

/* 21.b Escalas tipográficas locales */
/* Aplica un incremento suave al set de variables derivadas sin tocar html/body */
.sn-font-scale-up {
  --sn-font-scale: 1.08;
}
.sn-font-scale-up2 {
  --sn-font-scale: 1.15;
}
/* Ejemplo de uso: <div class="sn-panel sn-font-scale-up"> ... </div> */

/* 22. Accessibility helpers */
.sn-visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  border: 0;
}

/* 23. Transition standard */
.sn-transition {
  transition: background 0.18s, color 0.18s, border-color 0.18s,
    box-shadow 0.18s;
}
.sn-anim-pulse {
  animation: sn-pulse 2s ease-in-out infinite;
}

/* 11. Chat overrides (limpieza mínima) */
/* Chat header también se alinea al rojo del tema */
.chat-header {
  background: var(--sn-theme-primary) !important;
}
.chat-send-btn:hover {
  filter: brightness(1.1);
}

/* 12. Responsivo base */
@media (max-width: 780px) {
  .sn-modal__dialog {
    max-width: 100%;
    border-radius: var(--sn-radius);
  }
}
@media (max-width: 480px) {
  .sn-btn {
    padding: 10px 14px;
  }
}

/* 13. Helper migración (bordes invisibles -> pill) */
.sn-legacy-btn {
  border-radius: var(--sn-radius-pill) !important;
}

/* 14. Estados de inscripción (mapping de clases existentes) */
.sn-ins-badge.open,
.sn-open-badge {
  background: var(--sn-grad-success) !important;
  color: #e6ffe6 !important;
}
.sn-ins-badge.espera,
.sn-ins-badge.locked {
  background: linear-gradient(135deg, #22314a, #162032) !important;
  color: #e0e6ef !important;
}
.sn-ins-badge.full,
.sn-ins-badge.closed {
  background: var(--sn-grad-muted) !important;
  color: #ccc !important;
}
.sn-ins-badge.cancelled,
.sn-ins-badge.error {
  background: var(--sn-grad-danger) !important;
  color: #ffeaea !important;
}
.sn-ins-badge.limit,
.sn-ins-badge.competition_limit {
  background: var(--sn-grad-warning) !important;
  color: #ffe6b3 !important;
}
.sn-ins-badge.en_curso {
  background: linear-gradient(135deg, #3d2c4d, #241a2e) !important;
  color: #e6e0ff !important;
}

/* 15. Z-index fixes para chat términos */
.chat-modal {
  z-index: var(--sn-z-modal) !important;
}
.chat-modal-content {
  z-index: calc(var(--sn-z-modal) + 1) !important;
}

/* Fin Nitro Core */