/* ==========================================================================
   CALENDARIO SALÓN — Sistema de estilos
   Arquitectura: Mobile-first, BEM, WCAG 2.1 AA
   Breakpoints: 768px (tablet), 1024px (desktop)
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CUSTOM PROPERTIES (Design tokens)
   -------------------------------------------------------------------------- */

:root {
  /* Colores base */
  --color-white:        #ffffff;
  --color-black:        #0f0f0f;

  /* Escala de grises */
  --color-gray-50:      #f8f9fa;
  --color-gray-100:     #f1f3f5;
  --color-gray-200:     #e9ecef;
  --color-gray-300:     #dee2e6;
  --color-gray-400:     #ced4da;
  --color-gray-500:     #adb5bd;
  --color-gray-600:     #6c757d;
  --color-gray-700:     #495057;
  --color-gray-800:     #343a40;
  --color-gray-900:     #212529;

  /* Acento principal: Indigo */
  --color-indigo-50:    #eef2ff;
  --color-indigo-100:   #e0e7ff;
  --color-indigo-200:   #c7d2fe;
  --color-indigo-500:   #6366f1;
  --color-indigo-600:   #4f46e5;
  --color-indigo-700:   #4338ca;
  --color-indigo-800:   #3730a3;
  --color-indigo-900:   #312e81;

  /* Acento secundario: Teal */
  --color-teal-50:      #f0fdfa;
  --color-teal-100:     #ccfbf1;
  --color-teal-500:     #14b8a6;
  --color-teal-600:     #0d9488;
  --color-teal-700:     #0f766e;

  /* Semánticos */
  --color-success-light: #d1fae5;
  --color-success:       #10b981;
  --color-success-dark:  #065f46;
  --color-warning-light: #fef3c7;
  --color-warning:       #f59e0b;
  --color-warning-dark:  #92400e;
  --color-danger-light:  #fee2e2;
  --color-danger:        #ef4444;
  --color-danger-dark:   #991b1b;
  --color-info-light:    #dbeafe;
  --color-info:          #3b82f6;
  --color-info-dark:     #1e3a8a;

  /* Badges por origen/estado */
  --badge-booksy-bg:      #ddd6fe;
  --badge-booksy-text:    #5b21b6;
  --badge-classpass-bg:   #ede9fe;
  --badge-classpass-text: #5b21b6;
  --badge-treatwell-bg:   #fce7f3;
  --badge-treatwell-text: #9d174d;
  --badge-manual-bg:      var(--color-gray-100);
  --badge-manual-text:    var(--color-gray-700);

  /* Semántica estructural */
  --color-bg:           var(--color-gray-50);
  --color-surface:      var(--color-white);
  --color-border:       var(--color-gray-200);
  --color-border-focus: var(--color-indigo-500);
  --color-text:         var(--color-gray-900);
  --color-text-muted:   var(--color-gray-600);
  --color-header-bg:    var(--color-white);
  --color-sidebar-bg:   var(--color-gray-900);
  --color-sidebar-text: var(--color-gray-300);
  --color-sidebar-hover:#ffffff;
  --color-primary:      var(--color-indigo-600);
  --color-primary-hover:var(--color-indigo-700);
  --color-primary-light:var(--color-indigo-50);

  /* Tipografía */
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
                 "Helvetica Neue", Arial, "Noto Sans", sans-serif,
                 "Apple Color Emoji", "Segoe UI Emoji";
  --font-size-xs:   0.75rem;    /* 12px */
  --font-size-sm:   0.875rem;   /* 14px */
  --font-size-base: 1rem;       /* 16px */
  --font-size-lg:   1.125rem;   /* 18px */
  --font-size-xl:   1.25rem;    /* 20px */
  --font-size-2xl:  1.5rem;     /* 24px */
  --font-size-3xl:  1.875rem;   /* 30px */
  --font-weight-normal:   400;
  --font-weight-medium:   500;
  --font-weight-semibold: 600;
  --font-weight-bold:     700;
  --line-height-tight:  1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed:1.625;

  /* Espaciado */
  --space-1:  0.25rem;   /* 4px  */
  --space-2:  0.5rem;    /* 8px  */
  --space-3:  0.75rem;   /* 12px */
  --space-4:  1rem;      /* 16px */
  --space-5:  1.25rem;   /* 20px */
  --space-6:  1.5rem;    /* 24px */
  --space-8:  2rem;      /* 32px */
  --space-10: 2.5rem;    /* 40px */
  --space-12: 3rem;      /* 48px */
  --space-16: 4rem;      /* 64px */

  /* Bordes */
  --radius-sm:  0.25rem;
  --radius-md:  0.375rem;
  --radius-lg:  0.5rem;
  --radius-xl:  0.75rem;
  --radius-2xl: 1rem;
  --radius-full:9999px;

  /* Sombras */
  --shadow-sm:  0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md:  0 4px 6px -1px rgb(0 0 0 / 0.07), 0 2px 4px -2px rgb(0 0 0 / 0.05);
  --shadow-lg:  0 10px 15px -3px rgb(0 0 0 / 0.08), 0 4px 6px -4px rgb(0 0 0 / 0.05);
  --shadow-xl:  0 20px 25px -5px rgb(0 0 0 / 0.1),  0 8px 10px -6px rgb(0 0 0 / 0.05);

  /* Layout */
  --header-height:    3.5rem;   /* 56px */
  --sidebar-width:    240px;
  --sidebar-collapsed:0px;

  /* Transiciones */
  --transition-fast:   150ms ease;
  --transition-base:   250ms ease;
  --transition-slow:   350ms ease;

  /* Z-index stack */
  --z-sidebar:  200;
  --z-overlay:  190;
  --z-header:   100;
  --z-modal:    300;
  --z-toast:    400;
}

/* --------------------------------------------------------------------------
   2. RESET Y BASE
   -------------------------------------------------------------------------- */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-normal);
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100dvh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Accesibilidad: foco visible */
:focus-visible {
  outline: 2px solid var(--color-border-focus);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* Eliminar foco por clic de ratón */
:focus:not(:focus-visible) {
  outline: none;
}

/* Skip link para accesibilidad */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  z-index: var(--z-toast);
  padding: var(--space-2) var(--space-4);
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-md);
  font-weight: var(--font-weight-medium);
  text-decoration: none;
}

.skip-link:focus {
  top: var(--space-4);
}

h1, h2, h3, h4, h5, h6 {
  line-height: var(--line-height-tight);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
}

h1 { font-size: var(--font-size-2xl); }
h2 { font-size: var(--font-size-xl); }
h3 { font-size: var(--font-size-lg); }

p {
  line-height: var(--line-height-relaxed);
}

a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

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

ul, ol {
  list-style: none;
}

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

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

input, select, textarea {
  color: var(--color-text);
}

/* Utilidad hidden nativa */
[hidden] {
  display: none !important;
}

/* --------------------------------------------------------------------------
   3. UTILIDADES
   -------------------------------------------------------------------------- */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* --------------------------------------------------------------------------
   4. FORMULARIOS BASE
   -------------------------------------------------------------------------- */

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.form-group label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-700);
  cursor: pointer;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: var(--space-2) var(--space-3);
  background: var(--color-white);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  color: var(--color-text);
  transition: border-color var(--transition-fast),
              box-shadow var(--transition-fast);
  appearance: none;
  -webkit-appearance: none;
}

.form-group input:hover,
.form-group select:hover {
  border-color: var(--color-gray-400);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-border-focus);
  box-shadow: 0 0 0 3px rgb(99 102 241 / 0.15);
  outline: none;
}

.form-group input[aria-invalid="true"],
.form-group input:invalid:not(:placeholder-shown) {
  border-color: var(--color-danger);
  box-shadow: 0 0 0 3px rgb(239 68 68 / 0.12);
}

.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%236c757d'%3E%3Cpath fill-rule='evenodd' d='M5.23 7.21a.75.75 0 011.06.02L10 11.168l3.71-3.938a.75.75 0 111.08 1.04l-4.25 4.5a.75.75 0 01-1.08 0l-4.25-4.5a.75.75 0 01.02-1.06z' clip-rule='evenodd'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-3) center;
  background-size: 1.25rem;
  padding-right: var(--space-8);
  cursor: pointer;
}

.form-group input[type="date"] {
  cursor: pointer;
}

.form-group input::placeholder {
  color: var(--color-gray-400);
}

.form-error {
  font-size: var(--font-size-sm);
  color: var(--color-danger);
  font-weight: var(--font-weight-medium);
  padding: var(--space-2) var(--space-3);
  background: var(--color-danger-light);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--color-danger);
}

.form-success {
  font-size: var(--font-size-sm);
  color: #065f46;
  font-weight: var(--font-weight-medium);
  padding: var(--space-2) var(--space-3);
  background: #d1fae5;
  border-radius: var(--radius-md);
  border-left: 3px solid #10b981;
}

/* --- Banner PWA --- */
.pwa-banner {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 9999;
  background: var(--color-white);
  border-top: 1px solid var(--color-gray-300);
  box-shadow: 0 -8px 24px rgba(0, 0, 0, 0.08);
  padding: var(--space-3) var(--space-4);
}
.pwa-banner[hidden] { display: none !important; }
.pwa-banner__content {
  display: flex;
  gap: var(--space-3);
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  max-width: 900px;
  margin: 0 auto;
}
.pwa-banner__text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1 1 260px;
  font-size: var(--font-size-sm);
}
.pwa-banner__text strong {
  color: var(--color-text);
}
.pwa-banner__text span {
  color: var(--color-text-muted);
}
.pwa-banner__actions {
  display: flex;
  gap: var(--space-2);
  flex-shrink: 0;
}

/* Filtros inline (fuera de form-group) */
.view__filters input[type="date"],
.view__filters select {
  padding: var(--space-2) var(--space-3);
  background: var(--color-white);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  color: var(--color-text);
  appearance: none;
  -webkit-appearance: none;
  transition: border-color var(--transition-fast);
  min-width: 0;
}

.view__filters input[type="date"]:focus,
.view__filters select:focus {
  border-color: var(--color-border-focus);
  box-shadow: 0 0 0 3px rgb(99 102 241 / 0.15);
  outline: none;
}

.view__filters select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%236c757d'%3E%3Cpath fill-rule='evenodd' d='M5.23 7.21a.75.75 0 011.06.02L10 11.168l3.71-3.938a.75.75 0 111.08 1.04l-4.25 4.5a.75.75 0 01-1.08 0l-4.25-4.5a.75.75 0 01.02-1.06z' clip-rule='evenodd'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-2) center;
  background-size: 1.125rem;
  padding-right: calc(var(--space-2) + 1.125rem + var(--space-2));
  cursor: pointer;
}

/* --------------------------------------------------------------------------
   5. BOTONES
   -------------------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  line-height: var(--line-height-tight);
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
  transition: background-color var(--transition-fast),
              border-color var(--transition-fast),
              color var(--transition-fast),
              box-shadow var(--transition-fast),
              transform var(--transition-fast);
}

.btn:active {
  transform: translateY(1px);
}

.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* Variante primaria */
.btn--primary {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}

.btn--primary:hover {
  background-color: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  color: var(--color-white);
  text-decoration: none;
  box-shadow: var(--shadow-md);
}

.btn--primary:focus-visible {
  box-shadow: 0 0 0 3px rgb(99 102 241 / 0.4);
}

/* Variante outline */
.btn--outline {
  background-color: transparent;
  border-color: var(--color-gray-300);
  color: var(--color-gray-700);
}

.btn--outline:hover {
  background-color: var(--color-gray-100);
  border-color: var(--color-gray-400);
  color: var(--color-gray-800);
  text-decoration: none;
}

.btn--outline:focus-visible {
  box-shadow: 0 0 0 3px rgb(0 0 0 / 0.1);
}

/* Tamaño pequeño */
.btn--sm {
  padding: var(--space-1) var(--space-3);
  font-size: var(--font-size-sm);
  border-radius: var(--radius-md);
}

/* Ancho completo */
.btn--full {
  width: 100%;
}

/* Botón peligro */
.btn--danger {
  background-color: var(--color-danger);
  border-color: var(--color-danger);
  color: var(--color-white);
}

.btn--danger:hover {
  background-color: var(--color-danger-dark);
  border-color: var(--color-danger-dark);
  color: var(--color-white);
  text-decoration: none;
}

/* --------------------------------------------------------------------------
   6. VISTAS (VIEW)
   -------------------------------------------------------------------------- */

.view {
  width: 100%;
}

/* Vista login: centrada en toda la pantalla */
.view--login {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100dvh;
  padding: var(--space-4);
  background: linear-gradient(135deg, var(--color-indigo-50) 0%, var(--color-gray-100) 50%, var(--color-teal-50) 100%);
}

/* --------------------------------------------------------------------------
   7. LOGIN CARD
   -------------------------------------------------------------------------- */

.login-card {
  width: 100%;
  max-width: 420px;
  background: var(--color-white);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--color-gray-100);
}

.login-card__title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-gray-900);
  text-align: center;
  margin-bottom: var(--space-6);
  letter-spacing: -0.025em;
}

/* Decoración sutil bajo el título */
.login-card__title::after {
  content: '';
  display: block;
  width: 3rem;
  height: 3px;
  background: linear-gradient(90deg, var(--color-indigo-500), var(--color-teal-500));
  border-radius: var(--radius-full);
  margin: var(--space-3) auto 0;
}

.login-card__form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

/* --------------------------------------------------------------------------
   8. HEADER
   -------------------------------------------------------------------------- */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-header);
  height: var(--header-height);
  background: var(--color-header-bg);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-4);
  gap: var(--space-3);
}

.header__left {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-width: 0;
}

.header__right {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

.header__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-900);
  letter-spacing: -0.015em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.header__tenant-selector {
  padding: var(--space-1) var(--space-2);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-md);
  background: var(--color-white);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
  min-width: 160px;
}

.form-hint {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
  display: block;
}

/* Grupo de campos en línea (ej.: fecha + hora + duración) */
.form-group--inline {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--space-3);
}
.form-group--inline > div {
  display: flex;
  flex-direction: column;
}
@media (max-width: 600px) {
  .form-group--inline { grid-template-columns: 1fr; }
}

.header__user {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  font-weight: var(--font-weight-medium);
  display: none; /* oculto en móvil */
}

/* Hamburger button */
.header__menu-btn {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 2.25rem;
  height: 2.25rem;
  padding: var(--space-2);
  background: transparent;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  flex-shrink: 0;
  transition: background-color var(--transition-fast);
}

.header__menu-btn:hover {
  background-color: var(--color-gray-100);
}

.header__menu-btn span {
  display: block;
  width: 1.25rem;
  height: 2px;
  background-color: var(--color-gray-700);
  border-radius: var(--radius-full);
  transition: transform var(--transition-base),
              opacity var(--transition-base),
              width var(--transition-base);
  transform-origin: center;
}

/* Estado abierto del hamburger (X) */
.header__menu-btn[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.header__menu-btn[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.header__menu-btn[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* En desktop el hamburger se oculta */
@media (min-width: 1024px) {
  .header__menu-btn {
    display: none;
  }

  .header__user {
    display: block;
  }
}

/* --------------------------------------------------------------------------
   9. LAYOUT (Sidebar + Main)
   -------------------------------------------------------------------------- */

/* El layout empieza debajo del header */
.layout {
  display: flex;
  min-height: 100dvh;
  padding-top: var(--header-height);
}

/* --------------------------------------------------------------------------
   10. SIDEBAR
   -------------------------------------------------------------------------- */

.sidebar {
  position: fixed;
  top: var(--header-height);
  left: 0;
  bottom: 0;
  z-index: var(--z-sidebar);
  width: var(--sidebar-width);
  background-color: var(--color-sidebar-bg);
  overflow-y: auto;
  overflow-x: hidden;
  transition: transform var(--transition-base);

  /* Móvil: oculto fuera de pantalla por defecto */
  transform: translateX(-100%);
}

/* Sidebar abierto (JS añade esta clase) */
.sidebar.is-open {
  transform: translateX(0);
}

/* Scrollbar del sidebar */
.sidebar::-webkit-scrollbar {
  width: 4px;
}

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

.sidebar::-webkit-scrollbar-thumb {
  background: var(--color-gray-700);
  border-radius: var(--radius-full);
}

.sidebar__nav {
  padding: var(--space-4) 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.sidebar__link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  color: var(--color-sidebar-text);
  text-decoration: none;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  border-radius: 0;
  transition: background-color var(--transition-fast),
              color var(--transition-fast);
  position: relative;
}

.sidebar__link:hover {
  background-color: rgb(255 255 255 / 0.07);
  color: var(--color-white);
  text-decoration: none;
}

.sidebar__link:focus-visible {
  outline: 2px solid var(--color-indigo-400);
  outline-offset: -2px;
  border-radius: 0;
}

/* Indicador visual de enlace activo */
.sidebar__link--active {
  background-color: var(--color-indigo-600);
  color: var(--color-white);
}

.sidebar__link--active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background-color: var(--color-teal-500);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.sidebar__link--active:hover {
  background-color: var(--color-indigo-700);
}

.sidebar__icon {
  width: 1.25rem;
  height: 1.25rem;
  flex-shrink: 0;
  opacity: 0.85;
}

.sidebar__link--active .sidebar__icon,
.sidebar__link:hover .sidebar__icon {
  opacity: 1;
}

/* Elementos solo para admins */
.sidebar__admin-only {
  /* visible por defecto, JS lo oculta si no es admin */
}

/* Separador entre grupos del nav */
.sidebar__separator {
  height: 1px;
  background-color: rgb(255 255 255 / 0.08);
  margin: var(--space-2) var(--space-4);
}

/* Desktop: sidebar siempre visible */
@media (min-width: 1024px) {
  .sidebar {
    transform: translateX(0);
    position: fixed; /* sigue fijo */
  }
}

/* --------------------------------------------------------------------------
   11. SIDEBAR OVERLAY (backdrop móvil)
   -------------------------------------------------------------------------- */

.sidebar-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  background-color: rgb(0 0 0 / 0.5);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  animation: fadeIn var(--transition-base) ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* --------------------------------------------------------------------------
   12. MAIN
   -------------------------------------------------------------------------- */

.main {
  flex: 1 1 auto;
  min-width: 0;
  padding: var(--space-4);
  /* En móvil ocupa todo el ancho (sidebar está oculto) */
  margin-left: 0;
  transition: margin-left var(--transition-base);
}

/* En desktop el main se desplaza para dejar espacio al sidebar */
@media (min-width: 1024px) {
  .main {
    margin-left: var(--sidebar-width);
    padding: var(--space-6);
  }
}

/* --------------------------------------------------------------------------
   13. VIEW HEADER Y FILTROS
   -------------------------------------------------------------------------- */

.view__header {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

.view__header h2 {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-900);
  line-height: var(--line-height-tight);
}

.view__filters {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
}

@media (min-width: 768px) {
  .view__header {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
  }

  .view__header h2 {
    font-size: var(--font-size-2xl);
    flex-shrink: 0;
  }
}

/* --------------------------------------------------------------------------
   14. CALENDAR CONTAINER
   -------------------------------------------------------------------------- */

.calendar-container {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  padding: var(--space-4);
  min-height: 600px;
  overflow: hidden;
}

/* Overrides de FullCalendar para adaptar al diseño del sistema */
.fc {
  font-family: var(--font-family) !important;
  font-size: var(--font-size-sm) !important;
}

.fc .fc-button {
  background-color: var(--color-white) !important;
  border: 1px solid var(--color-gray-300) !important;
  color: var(--color-gray-700) !important;
  font-size: var(--font-size-sm) !important;
  font-weight: var(--font-weight-medium) !important;
  font-family: var(--font-family) !important;
  border-radius: var(--radius-md) !important;
  padding: var(--space-1) var(--space-3) !important;
  transition: background-color var(--transition-fast),
              border-color var(--transition-fast) !important;
  box-shadow: none !important;
  text-transform: none !important;
}

.fc .fc-button:hover {
  background-color: var(--color-gray-100) !important;
  border-color: var(--color-gray-400) !important;
  color: var(--color-gray-900) !important;
}

.fc .fc-button-primary:not(:disabled).fc-button-active,
.fc .fc-button-primary:not(:disabled):active {
  background-color: var(--color-primary) !important;
  border-color: var(--color-primary) !important;
  color: var(--color-white) !important;
}

.fc .fc-button:focus-visible {
  outline: 2px solid var(--color-border-focus) !important;
  outline-offset: 2px !important;
}

.fc .fc-toolbar-title {
  font-size: var(--font-size-lg) !important;
  font-weight: var(--font-weight-semibold) !important;
  color: var(--color-gray-900) !important;
}

.fc .fc-col-header-cell {
  background-color: var(--color-gray-50) !important;
  font-weight: var(--font-weight-semibold) !important;
  font-size: var(--font-size-xs) !important;
  text-transform: uppercase !important;
  letter-spacing: 0.05em !important;
  color: var(--color-gray-600) !important;
  padding: var(--space-2) !important;
}

.fc .fc-daygrid-day-number,
.fc .fc-daygrid-more-link {
  font-size: var(--font-size-sm) !important;
  color: var(--color-gray-700) !important;
}

.fc .fc-day-today {
  background-color: var(--color-indigo-50) !important;
}

.fc .fc-day-today .fc-daygrid-day-number {
  background-color: var(--color-primary) !important;
  color: var(--color-white) !important;
  border-radius: var(--radius-full) !important;
  width: 1.75rem !important;
  height: 1.75rem !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
}

.fc .fc-event {
  border-radius: var(--radius-sm) !important;
  border: none !important;
  font-size: var(--font-size-xs) !important;
  font-weight: var(--font-weight-medium) !important;
  cursor: pointer !important;
  padding: 1px var(--space-1) !important;
}

.fc .fc-event:hover {
  opacity: 0.85 !important;
  box-shadow: var(--shadow-sm) !important;
}

.fc .fc-timegrid-slot {
  height: 2.5rem !important;
}

.fc .fc-scrollgrid {
  border-color: var(--color-border) !important;
}

.fc td, .fc th {
  border-color: var(--color-border) !important;
}

@media (min-width: 768px) {
  .calendar-container {
    padding: var(--space-6);
  }
}

/* --------------------------------------------------------------------------
   15. TABLAS
   -------------------------------------------------------------------------- */

.table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

/* Barra de scroll personalizada */
.table-responsive::-webkit-scrollbar {
  height: 6px;
}

.table-responsive::-webkit-scrollbar-track {
  background: var(--color-gray-100);
  border-radius: var(--radius-full);
}

.table-responsive::-webkit-scrollbar-thumb {
  background: var(--color-gray-400);
  border-radius: var(--radius-full);
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-sm);
  white-space: nowrap;
  background: var(--color-white);
}

.table thead {
  background-color: var(--color-gray-50);
  border-bottom: 2px solid var(--color-border);
}

.table thead th {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-500);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.table tbody tr {
  border-bottom: 1px solid var(--color-gray-100);
  transition: background-color var(--transition-fast);
}

/* Efecto zebra */
.table tbody tr:nth-child(even) {
  background-color: var(--color-gray-50);
}

.table tbody tr:hover {
  background-color: var(--color-indigo-50);
  cursor: default;
}

.table tbody td {
  padding: var(--space-3) var(--space-4);
  color: var(--color-gray-700);
  vertical-align: middle;
}

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

/* Columnas ocultas en móvil */
.hide-mobile {
  display: none;
}

@media (min-width: 768px) {
  .hide-mobile {
    display: table-cell;
  }
}

/* Filas clicables */
.table tbody tr[data-clickable] {
  cursor: pointer;
}

/* Celda de acciones */
.table .td-actions {
  display: flex;
  gap: var(--space-2);
  align-items: center;
}

/* --------------------------------------------------------------------------
   16. BADGES
   -------------------------------------------------------------------------- */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px var(--space-2);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
  white-space: nowrap;
  letter-spacing: 0.02em;
}

/* Origen */
.badge--classpass {
  background-color: var(--badge-classpass-bg);
  color: var(--badge-classpass-text);
}

.badge--treatwell {
  background-color: var(--badge-treatwell-bg);
  color: var(--badge-treatwell-text);
}

.badge--booksy {
  background-color: var(--badge-booksy-bg);
  color: var(--badge-booksy-text);
}

.badge--manual {
  background-color: var(--badge-manual-bg);
  color: var(--badge-manual-text);
}

/* Estado */
.badge--confirmed {
  background-color: var(--color-info-light);
  color: var(--color-info-dark);
}

.badge--completed {
  background-color: var(--color-success-light);
  color: var(--color-success-dark);
}

.badge--cancelled {
  background-color: var(--color-danger-light);
  color: var(--color-danger-dark);
}

.badge--pending {
  background-color: var(--color-warning-light);
  color: var(--color-warning-dark);
}

/* --------------------------------------------------------------------------
   17. MODALES (dialog nativo)
   -------------------------------------------------------------------------- */

.modal {
  padding: 0;
  border: none;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  width: calc(100% - var(--space-8));
  max-width: 560px;
  max-height: 90dvh;
  overflow: hidden;
  background: var(--color-white);
  margin: auto;
  position: fixed;
  inset: 0;
}

/* Backdrop nativo del dialog */
.modal::backdrop {
  background-color: rgb(0 0 0 / 0.5);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
}

/* Animación de apertura */
@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: translateY(-1rem) scale(0.97);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.modal[open] {
  animation: modalSlideIn var(--transition-base) ease;
}

.modal__content {
  display: flex;
  flex-direction: column;
  max-height: 90dvh;
}

.modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
  gap: var(--space-4);
}

.modal__header h3 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-900);
  margin: 0;
  line-height: var(--line-height-tight);
}

.modal__close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  background: transparent;
  border: none;
  border-radius: var(--radius-md);
  color: var(--color-gray-500);
  font-size: 1.375rem;
  line-height: 1;
  cursor: pointer;
  flex-shrink: 0;
  transition: background-color var(--transition-fast),
              color var(--transition-fast);
}

.modal__close:hover {
  background-color: var(--color-gray-100);
  color: var(--color-gray-800);
}

.modal__body {
  padding: var(--space-6);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  flex: 1 1 auto;
}

/* Estilos para el contenido del detalle de reserva */
.modal__body dl {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3) var(--space-4);
}

.modal__body dt {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-gray-500);
  grid-column: 1;
}

.modal__body dd {
  font-size: var(--font-size-sm);
  color: var(--color-gray-800);
  font-weight: var(--font-weight-medium);
  grid-column: 2;
}

/* --------------------------------------------------------------------------
   18. STATS GRID (Dashboard)
   -------------------------------------------------------------------------- */

.stats-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

@media (min-width: 480px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-5);
  }
}

.stat-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  transition: box-shadow var(--transition-fast),
              transform var(--transition-fast);
}

.stat-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.stat-card__value {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-gray-900);
  line-height: 1;
  letter-spacing: -0.03em;
}

.stat-card__label {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  font-weight: var(--font-weight-medium);
  margin-top: var(--space-1);
}

/* Variantes de acento para stat cards */
.stat-card--indigo {
  border-top: 3px solid var(--color-indigo-500);
}

.stat-card--teal {
  border-top: 3px solid var(--color-teal-500);
}

.stat-card--success {
  border-top: 3px solid var(--color-success);
}

.stat-card--warning {
  border-top: 3px solid var(--color-warning);
}

/* --------------------------------------------------------------------------
   19. SYNC STATUS
   -------------------------------------------------------------------------- */

.sync-status {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.sync-status__title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-700);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.sync-status__info {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.sync-status__item {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.sync-status__item-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.sync-status__item-value {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-900);
}

/* Indicador de estado */
.sync-status__indicator {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.sync-status__dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  flex-shrink: 0;
}

.sync-status__dot--ok {
  background-color: var(--color-success);
  box-shadow: 0 0 0 3px var(--color-success-light);
}

.sync-status__dot--error {
  background-color: var(--color-danger);
  box-shadow: 0 0 0 3px var(--color-danger-light);
}

.sync-status__dot--running {
  background-color: var(--color-warning);
  box-shadow: 0 0 0 3px var(--color-warning-light);
  animation: pulse 1.5s ease infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.5; }
}

/* --------------------------------------------------------------------------
   20. ESTADOS DE CARGA Y VACÍO
   -------------------------------------------------------------------------- */

.loading-spinner {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: var(--space-12);
}

.loading-spinner::after {
  content: '';
  width: 2rem;
  height: 2rem;
  border: 3px solid var(--color-gray-200);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-16) var(--space-8);
  text-align: center;
  color: var(--color-text-muted);
  gap: var(--space-3);
}

.empty-state p {
  font-size: var(--font-size-sm);
}

/* --------------------------------------------------------------------------
   21. SECCIÓN CONTENIDO CARD GENÉRICO
   -------------------------------------------------------------------------- */

.card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
}

/* --------------------------------------------------------------------------
   22. ALERTAS / NOTIFICACIONES INLINE
   -------------------------------------------------------------------------- */

.alert {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  border-left: 4px solid transparent;
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
}

.alert--success {
  background: var(--color-success-light);
  color: var(--color-success-dark);
  border-color: var(--color-success);
}

.alert--warning {
  background: var(--color-warning-light);
  color: var(--color-warning-dark);
  border-color: var(--color-warning);
}

.alert--danger {
  background: var(--color-danger-light);
  color: var(--color-danger-dark);
  border-color: var(--color-danger);
}

.alert--info {
  background: var(--color-info-light);
  color: var(--color-info-dark);
  border-color: var(--color-info);
}

/* --------------------------------------------------------------------------
   23. SEPARADORES Y MISCELÁNEA
   -------------------------------------------------------------------------- */

.divider {
  height: 1px;
  background: var(--color-border);
  border: none;
  margin: var(--space-4) 0;
}

/* Espaciado entre secciones de vista */
.view > * + * {
  margin-top: var(--space-4);
}

/* Título de subsección */
.section-title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-800);
  margin-bottom: var(--space-3);
}

/* --------------------------------------------------------------------------
   24. MEDIA QUERIES DE SOPORTE FINAL
   -------------------------------------------------------------------------- */

/* Preferencia de movimiento reducido */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* --------------------------------------------------------------------------
   24b. TEMA OSCURO — html[data-theme="dark"]
   Activado por JS mediante el botón de toggle. El contraste cumple WCAG AA.
   Paleta: fondos azul-noche (#16213e / #1a1a2e), textos muy claros.
   -------------------------------------------------------------------------- */

html[data-theme="dark"] {
  /* Fondos y superficies */
  --color-bg:            #16213e;
  --color-surface:       #1e2a45;
  --color-border:        #2d3f5e;
  --color-border-focus:  #818cf8;

  /* Textos — ratio ≥ 4.5:1 sobre fondos oscuros */
  --color-text:          #f0f4ff;
  --color-text-muted:    #a8b4d0;

  /* Header y sidebar */
  --color-header-bg:     #1a2540;
  --color-sidebar-bg:    #0f1a30;
  --color-sidebar-text:  #c8d3ea;
  --color-sidebar-hover: #ffffff;

  /* Escala de grises remapeada al espacio oscuro */
  --color-gray-50:       #1e2a45;
  --color-gray-100:      #253350;
  --color-gray-200:      #2d3f5e;
  --color-gray-300:      #3d526f;
  --color-gray-400:      #5a6f8a;
  --color-gray-500:      #7a8fa8;
  --color-gray-600:      #a0b0c8;
  --color-gray-700:      #c0cfe0;
  --color-gray-800:      #dce6f0;
  --color-gray-900:      #f0f4ff;

  /* Acento indigo adaptado a fondo oscuro */
  --color-indigo-50:     #1e1b4b;
  --color-indigo-100:    #2e2a6b;
  --color-indigo-200:    #3d39a0;
  --color-primary-light: #1e1b4b;
  --color-primary:       #818cf8;
  --color-primary-hover: #6366f1;

  /* Semánticos (suficiente contraste sobre fondos oscuros) */
  --color-success-light: #064e3b;
  --color-success-dark:  #6ee7b7;
  --color-warning-light: #451a03;
  --color-warning-dark:  #fcd34d;
  --color-danger-light:  #450a0a;
  --color-danger-dark:   #fca5a5;
  --color-info-light:    #1e3a5f;
  --color-info-dark:     #93c5fd;

  /* Badges */
  --badge-booksy-bg:      #4c1d95;
  --badge-booksy-text:    #ddd6fe;
  --badge-classpass-bg:   #2e1065;
  --badge-classpass-text: #c4b5fd;
  --badge-treatwell-bg:   #4a044e;
  --badge-treatwell-text: #f0abfc;
  --badge-manual-bg:      #253350;
  --badge-manual-text:    #c0cfe0;

  /* Sombras más sutiles en dark */
  --shadow-sm:  0 1px 2px 0 rgb(0 0 0 / 0.3);
  --shadow-md:  0 4px 6px -1px rgb(0 0 0 / 0.4), 0 2px 4px -2px rgb(0 0 0 / 0.3);
  --shadow-lg:  0 10px 15px -3px rgb(0 0 0 / 0.45), 0 4px 6px -4px rgb(0 0 0 / 0.3);
  --shadow-xl:  0 20px 25px -5px rgb(0 0 0 / 0.5), 0 8px 10px -6px rgb(0 0 0 / 0.3);
}

/* Ajustes de componentes específicos en dark */
html[data-theme="dark"] .header {
  background: var(--color-header-bg);
  border-bottom-color: var(--color-border);
}

html[data-theme="dark"] .view--login {
  background: linear-gradient(135deg, #0f1a30 0%, #16213e 50%, #1a1a2e 100%);
}

html[data-theme="dark"] .login-card {
  background: var(--color-surface);
  border-color: var(--color-border);
}

html[data-theme="dark"] .form-group label {
  color: var(--color-gray-700);
}

html[data-theme="dark"] .form-group input,
html[data-theme="dark"] .form-group select,
html[data-theme="dark"] .form-group textarea {
  background: #1e2a45;
  border-color: var(--color-border);
  color: var(--color-text);
}

html[data-theme="dark"] .form-group input::placeholder {
  color: var(--color-gray-500);
}

html[data-theme="dark"] .view__filters input[type="date"],
html[data-theme="dark"] .view__filters select {
  background: #1e2a45;
  border-color: var(--color-border);
  color: var(--color-text);
}

html[data-theme="dark"] .btn--outline {
  border-color: var(--color-gray-400);
  color: var(--color-gray-700);
}

html[data-theme="dark"] .btn--outline:hover {
  background-color: var(--color-gray-100);
  border-color: var(--color-gray-500);
  color: var(--color-gray-900);
}

html[data-theme="dark"] .header__menu-btn:hover {
  background-color: var(--color-gray-100);
}

html[data-theme="dark"] .header__menu-btn span {
  background-color: var(--color-gray-700);
}

html[data-theme="dark"] .table {
  background: var(--color-surface);
}

html[data-theme="dark"] .table tbody tr:nth-child(even) {
  background-color: rgba(255 255 255 / 0.03);
}

html[data-theme="dark"] .table tbody tr:hover {
  background-color: rgba(129 140 248 / 0.1);
}

html[data-theme="dark"] .modal {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
}

html[data-theme="dark"] .modal__close:hover {
  background-color: var(--color-gray-100);
  color: var(--color-gray-900);
}

html[data-theme="dark"] .stat-card {
  background: var(--color-surface);
}

html[data-theme="dark"] .sync-status {
  background: var(--color-surface);
}

html[data-theme="dark"] .card {
  background: var(--color-surface);
}

html[data-theme="dark"] .calendar-container {
  background: var(--color-surface);
}

html[data-theme="dark"] .fc .fc-button {
  background-color: var(--color-gray-100) !important;
  border-color: var(--color-border) !important;
  color: var(--color-gray-700) !important;
}

html[data-theme="dark"] .fc .fc-button:hover {
  background-color: var(--color-gray-200) !important;
  border-color: var(--color-gray-400) !important;
  color: var(--color-gray-900) !important;
}

html[data-theme="dark"] .fc .fc-toolbar-title {
  color: var(--color-gray-900) !important;
}

html[data-theme="dark"] .fc .fc-col-header-cell {
  background-color: var(--color-gray-100) !important;
  color: var(--color-gray-600) !important;
}

html[data-theme="dark"] .fc .fc-daygrid-day-number,
html[data-theme="dark"] .fc .fc-daygrid-more-link {
  color: var(--color-gray-700) !important;
}

html[data-theme="dark"] .fc .fc-day-today {
  background-color: rgba(129 140 248 / 0.12) !important;
}

html[data-theme="dark"] .fc td,
html[data-theme="dark"] .fc th {
  border-color: var(--color-border) !important;
}

html[data-theme="dark"] .fc .fc-scrollgrid {
  border-color: var(--color-border) !important;
}

/* Botón toggle tema */
.btn--theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  padding: 0;
  background: transparent;
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-md);
  color: var(--color-gray-700);
  cursor: pointer;
  flex-shrink: 0;
  transition: background-color var(--transition-fast),
              border-color var(--transition-fast),
              color var(--transition-fast);
}

.btn--theme-toggle:hover {
  background-color: var(--color-gray-100);
  border-color: var(--color-gray-400);
  color: var(--color-gray-900);
}

.btn--theme-toggle svg {
  width: 1.125rem;
  height: 1.125rem;
  display: block;
  pointer-events: none;
}

/* Impresión */
@media print {
  .header,
  .sidebar,
  .sidebar-overlay,
  .header__menu-btn,
  .btn {
    display: none !important;
  }

  .layout {
    padding-top: 0;
  }

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

  .table-responsive {
    overflow: visible;
    border: none;
    box-shadow: none;
  }

  .hide-mobile {
    display: table-cell !important;
  }
}

/* --------------------------------------------------------------------------
   NOTAS Y COMENTARIOS
   -------------------------------------------------------------------------- */

.notes-section {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-gray-200);
}

.notes-section h4 {
  margin: 0 0 0.75rem;
  font-size: 0.95rem;
  color: var(--color-gray-800);
}

.notes-list {
  max-height: 200px;
  overflow-y: auto;
  margin-bottom: 0.75rem;
}

.note-item {
  padding: 0.5rem 0.75rem;
  margin-bottom: 0.5rem;
  background: var(--color-gray-50);
  border-radius: 6px;
  border-left: 3px solid var(--color-indigo-500);
}

.note-item__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  margin-bottom: 0.25rem;
}

.note-item__content {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.4;
  white-space: pre-wrap;
}

.notes-form {
  display: flex;
  gap: 0.5rem;
  align-items: flex-start;
}

.notes-form textarea {
  flex: 1;
  padding: 0.5rem;
  border: 1px solid var(--color-gray-300);
  border-radius: 6px;
  font-family: inherit;
  font-size: 0.875rem;
  resize: vertical;
  background: var(--color-white);
  color: var(--color-gray-900);
}

.notes-form textarea:focus {
  outline: none;
  border-color: var(--color-indigo-500);
  box-shadow: 0 0 0 3px var(--color-indigo-100);
}

.text-muted {
  color: var(--color-gray-500);
  font-size: 0.85rem;
}

/* Botón enlace */
.btn--link {
  background: none;
  border: none;
  color: var(--color-indigo-600);
  cursor: pointer;
  font-size: 0.8rem;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  font-weight: 500;
  text-decoration: underline;
}

.btn--link:hover {
  color: var(--color-indigo-800);
  background: var(--color-indigo-50);
}

/* Modal ancho para historial */
.modal--wide .modal__content {
  max-width: 720px;
}

.table--compact th,
.table--compact td {
  padding: 0.4rem 0.6rem;
  font-size: 0.85rem;
}

/* --------------------------------------------------------------------------
   NOTAS — Dark theme overrides
   -------------------------------------------------------------------------- */

html[data-theme="dark"] .notes-section {
  border-top-color: var(--color-gray-600);
}

html[data-theme="dark"] .notes-section h4 {
  color: var(--color-gray-200);
}

html[data-theme="dark"] .note-item {
  background: rgba(255, 255, 255, 0.05);
  border-left-color: var(--color-indigo-500);
}

html[data-theme="dark"] .notes-form textarea {
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--color-gray-600);
  color: var(--color-gray-100);
}

html[data-theme="dark"] .btn--link {
  color: var(--color-indigo-200);
}

html[data-theme="dark"] .btn--link:hover {
  background: rgba(99, 102, 241, 0.15);
}

/* --------------------------------------------------------------------------
   TABS (detalle de clienta)
   -------------------------------------------------------------------------- */

.client-detail-tabs {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--color-gray-200);
  margin-bottom: 1rem;
}

.tab-btn {
  background: none;
  border: none;
  padding: 0.6rem 1.2rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-gray-600);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.tab-btn:hover {
  color: var(--color-gray-800);
}

.tab-btn--active {
  color: var(--color-indigo-600);
  border-bottom-color: var(--color-indigo-600);
}

.tab-content {
  min-height: 100px;
}

html[data-theme="dark"] .client-detail-tabs {
  border-bottom-color: var(--color-gray-600);
}

html[data-theme="dark"] .tab-btn {
  color: var(--color-gray-400);
}

html[data-theme="dark"] .tab-btn:hover {
  color: var(--color-gray-200);
}

html[data-theme="dark"] .tab-btn--active {
  color: var(--color-indigo-200);
  border-bottom-color: var(--color-indigo-200);
}

/* --------------------------------------------------------------------------
   DASHBOARD CHARTS
   -------------------------------------------------------------------------- */

.dashboard-charts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

@media (min-width: 768px) {
  .dashboard-charts {
    grid-template-columns: 1fr 1fr;
  }
}

.chart-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: 12px;
  padding: 1.25rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.chart-card__title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-gray-700);
  margin: 0 0 1rem;
}

.chart-card canvas {
  max-height: 280px;
}

/* Hacer el gráfico de línea ocupar todo el ancho */
.dashboard-charts .chart-card:first-child {
  grid-column: 1 / -1;
}

html[data-theme="dark"] .chart-card {
  background: rgba(30, 42, 69, 0.6);
  border-color: rgba(255, 255, 255, 0.08);
}

html[data-theme="dark"] .chart-card__title {
  color: var(--color-gray-200);
}