/* ============================================
   VARIABLES CSS - Tema moderno y elegante
   ============================================ */
:root {
  /* Colores de fondo - Más sutiles */
  --bg-primary: #0f1419;
  --bg-secondary: #16181d;
  --bg-tertiary: #1e2126;
  --bg-elevated: #252930;
  --bg-nav: #1a1d23;
  --bg-nav-overlay: rgba(26, 29, 35, 0.95);
  --bg-hover: rgba(255, 255, 255, 0.06);
  --bg-active: rgba(255, 255, 255, 0.1);

  /* Colores de texto - Mayor contraste */
  --text-primary: #e7e9ea;
  --text-secondary: #b8bcc2;
  --text-muted: #71767b;
  --text-white: #ffffff;

  /* Colores de acento - Más vibrantes */
  --color-primary: #1d9bf0;
  --color-primary-hover: #1a8cd8;
  --color-success: #00ba7c;
  --color-error: #f4212e;
  --color-warning: #ffad1f;
  --color-info: #00e6b8;

  /* Bordes - Más sutiles */
  --border-color: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 255, 255, 0.15);
  --border-radius: 8px;
  --border-radius-sm: 6px;
  --border-radius-lg: 12px;
  --border-radius-xl: 16px;

  /* Sombras - Más suaves */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.6);

  /* Espaciado - Sistema 4px */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;

  /* Transiciones */
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.3s cubic-bezier(0.4, 0, 0.2, 1);

  /* Tipografía */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: "SF Mono", "Cascadia Code", "Fira Code", Consolas, monospace;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;

  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;

  /* Z-index */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-toast: 1060;
}

/* ============================================
   VARIANTES DE PALETA
   ============================================ */
body.theme-pampas {
  --bg-primary: #0f1812;
  --bg-secondary: #162219;
  --bg-tertiary: #1c2c20;
  --bg-elevated: #23372a;
  --bg-nav: #172a1f;
  --bg-nav-overlay: rgba(23, 42, 31, 0.95);
  --bg-hover: rgba(255, 255, 255, 0.05);
  --bg-active: rgba(255, 255, 255, 0.1);

  --text-primary: #e5f4ec;
  --text-secondary: #bfd7c9;
  --text-muted: #6d8f7d;

  --color-primary: #2bd97b;
  --color-primary-hover: #23c26c;
  --color-success: #2bd97b;
  --color-error: #ff6b6b;
  --color-warning: #f4bf4f;
  --color-info: #4fd1c5;

  --border-color: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 255, 255, 0.14);
}

body.theme-fundido {
  --bg-primary: #1a1012;
  --bg-secondary: #211416;
  --bg-tertiary: #2b1a1c;
  --bg-elevated: #331f22;
  --bg-nav: #2d171a;
  --bg-nav-overlay: rgba(45, 23, 26, 0.95);
  --bg-hover: rgba(255, 255, 255, 0.07);
  --bg-active: rgba(255, 255, 255, 0.12);

  --text-primary: #f2e6e8;
  --text-secondary: #d5bcc0;
  --text-muted: #927075;

  --color-primary: #ff6b81;
  --color-primary-hover: #e85a70;
  --color-success: #31d0aa;
  --color-error: #ff6b6b;
  --color-warning: #ffad66;
  --color-info: #6ac6ff;

  --border-color: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 255, 255, 0.15);
}

body.theme-obsidian {
  --bg-primary: #12101a;
  --bg-secondary: #1a1625;
  --bg-tertiary: #231d30;
  --bg-elevated: #2d2640;
  --bg-nav: #1e1829;
  --bg-nav-overlay: rgba(30, 24, 41, 0.95);
  --bg-hover: rgba(255, 255, 255, 0.06);
  --bg-active: rgba(255, 255, 255, 0.11);

  --text-primary: #eae6f4;
  --text-secondary: #c9c0db;
  --text-muted: #7d6f96;

  --color-primary: #a78bfa;
  --color-primary-hover: #9575f0;
  --color-success: #4ade80;
  --color-error: #f87171;
  --color-warning: #fbbf24;
  --color-info: #60a5fa;

  --border-color: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 255, 255, 0.14);
}

body.theme-desierto {
  --bg-primary: #1a1510;
  --bg-secondary: #241d15;
  --bg-tertiary: #30261b;
  --bg-elevated: #3d3022;
  --bg-nav: #2a2218;
  --bg-nav-overlay: rgba(42, 34, 24, 0.95);
  --bg-hover: rgba(255, 255, 255, 0.06);
  --bg-active: rgba(255, 255, 255, 0.11);

  --text-primary: #f4ede6;
  --text-secondary: #d4c8b8;
  --text-muted: #96836d;

  --color-primary: #f59e0b;
  --color-primary-hover: #d97706;
  --color-success: #84cc16;
  --color-error: #ef4444;
  --color-warning: #fbbf24;
  --color-info: #38bdf8;

  --border-color: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 255, 255, 0.14);
}

body.theme-oceano {
  --bg-primary: #0f1517;
  --bg-secondary: #141d21;
  --bg-tertiary: #1a272c;
  --bg-elevated: #213138;
  --bg-nav: #182429;
  --bg-nav-overlay: rgba(24, 36, 41, 0.95);
  --bg-hover: rgba(255, 255, 255, 0.06);
  --bg-active: rgba(255, 255, 255, 0.11);

  --text-primary: #e6f2f4;
  --text-secondary: #b8d4da;
  --text-muted: #6d9199;

  --color-primary: #22d3ee;
  --color-primary-hover: #06b6d4;
  --color-success: #34d399;
  --color-error: #f87171;
  --color-warning: #fbbf24;
  --color-info: #38bdf8;

  --border-color: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 255, 255, 0.14);
}

/* ============================================
   RESET & BASE
   ============================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.5;
  min-height: 100vh;
  /* Evitamos scroll horizontal a nivel documento. Las tablas anchas tienen
     su propio wrap con overflow-x: auto y el resto del contenido es responsive. */
  overflow-x: hidden;
}

/* ============================================
   TIPOGRAFÍA
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-bold);
  line-height: 1.2;
  margin-bottom: var(--space-4);
  color: var(--text-primary);
}

h1 { font-size: var(--text-2xl); letter-spacing: -0.02em; }
h2 { font-size: var(--text-xl); }
h3 { font-size: var(--text-lg); }

p { margin-bottom: var(--space-4); }

/* ============================================
   NAVEGACIÓN - COMPLETAMENTE NUEVA
   ============================================ */
.main-nav {
  background: linear-gradient(180deg, var(--bg-nav-overlay) 0%, rgba(0,0,0,0.3) 100%);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.nav-wrapper {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-4);
  position: relative;
  min-height: 56px;
}

/* Botón hamburguesa - oculto en desktop */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-3);
  z-index: 1050;
  position: relative;
}

.hamburger span {
  width: 25px;
  height: 2px;
  background-color: var(--text-primary);
  transition: all var(--transition-base);
  border-radius: 2px;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(8px, -8px);
}

/* Menú principal */
.nav-menu {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-2);
  min-height: 56px;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-3);
  color: var(--text-primary);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  border-radius: var(--border-radius);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.nav-link:hover {
  background-color: var(--bg-hover);
  color: var(--text-white);
}

/* Iconos +/- (ocultos en desktop) */
.dropdown-icon {
  display: none;
  font-size: 18px;
  font-weight: bold;
  margin-left: 5px;
  transition: transform 0.3s ease;
}

/* ========== DESKTOP - DROPDOWNS CON HOVER ========== */

.dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background-color: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-2);
  z-index: var(--z-dropdown);
  list-style: none;
  margin: 4px 0 0 0;
  animation: slideDown 0.2s ease-out;
}

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

/* Mostrar dropdown al hacer hover en desktop */
@media (min-width: 769px) {
  .has-dropdown:hover > .dropdown-menu,
  .has-dropdown.hover-active > .dropdown-menu {
    display: block;
  }

  .dropdown-icon {
    display: none !important;
  }
}

.dropdown-item {
  position: relative;
  list-style: none;
}

.dropdown-item > a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2) var(--space-3);
  color: var(--text-primary);
  text-decoration: none;
  font-size: var(--text-sm);
  border-radius: var(--border-radius);
  transition: all var(--transition-fast);
}

.dropdown-item > a:hover {
  background-color: var(--bg-hover);
  color: var(--text-white);
}

/* Submenús (segundo y tercer nivel) */
.submenu-content {
  display: none;
  position: absolute;
  top: 0;
  left: 100%;
  min-width: 220px;
  background-color: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-2);
  z-index: calc(var(--z-dropdown) + 1);
  list-style: none;
  margin: 0 0 0 4px;
  animation: slideRight 0.2s ease-out;
}

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

@media (min-width: 769px) {
  .has-submenu:hover > .submenu-content,
  .has-submenu.hover-active > .submenu-content {
    display: block;
  }
}

.submenu-item {
  position: relative;
  list-style: none;
}

.submenu-item > a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2) var(--space-3);
  color: var(--text-primary);
  text-decoration: none;
  font-size: var(--text-sm);
  border-radius: var(--border-radius);
  transition: all var(--transition-fast);
}

.submenu-item > a:hover {
  background-color: var(--bg-hover);
  color: var(--text-white);
}

/* ========== MÓVIL - RESPONSIVE ========== */

@media (max-width: 768px) {
  /* Wrapper para móvil */
  .nav-wrapper {
    display: block !important;
    min-height: 60px;
    padding: var(--space-2) var(--space-4);
  }

  /* Mostrar botón hamburguesa - MUY VISIBLE */
  .hamburger {
    display: flex !important;
    position: absolute;
    left: 16px;
    top: 12px;
    width: 44px;
    height: 44px;
    background-color: rgba(58, 130, 247, 0.1);
    border: 2px solid var(--color-primary);
    border-radius: 8px;
    padding: 8px;
    z-index: 9999;
    cursor: pointer;
  }

  .hamburger:active {
    background-color: rgba(58, 130, 247, 0.2);
  }

  /* Menú principal móvil - SIMPLIFICADO */
  .nav-menu {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--bg-primary);
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    min-height: 0;
    display: none;
    gap: 0;
    z-index: 9998;
    overflow-y: auto;
    padding: 0;
  }

  .nav-menu.active {
    display: flex !important;
  }

  /* Items del menú móvil */
  .nav-item {
    border-bottom: 1px solid var(--border-color);
  }

  .nav-link {
    padding: var(--space-4) var(--space-5);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: var(--text-base);
  }

  /* Mostrar iconos +/- en móvil */
  .dropdown-icon {
    display: inline-block !important;
    font-size: 20px;
  }

  /* Rotar icono cuando está abierto (el JS cambia + a -) */
  .has-dropdown.open > .nav-link .dropdown-icon,
  .has-submenu.open > a .dropdown-icon {
    transform: rotate(45deg);
  }

  /* Dropdowns en móvil - empujan el contenido */
  .dropdown-menu {
    position: static;
    display: none;
    background-color: var(--bg-secondary);
    box-shadow: none;
    border-radius: 0;
    border: none;
    border-left: 3px solid var(--color-primary);
    padding: var(--space-2) 0;
    margin: 0;
    animation: none;
  }

  .has-dropdown.open > .dropdown-menu {
    display: block !important;
  }

  .dropdown-item {
    margin-bottom: var(--space-1);
  }

  .dropdown-item > a {
    padding: var(--space-3) var(--space-4);
    background-color: rgba(255, 255, 255, 0.03);
    border-radius: var(--border-radius-sm);
  }

  .dropdown-item > a:active {
    background-color: var(--bg-active);
  }

  /* Submenús móvil - SIN overlay, inline simple */
  .submenu-content {
    position: static;
    display: none;
    background-color: var(--bg-tertiary);
    box-shadow: none;
    border-radius: 0;
    border: none;
    padding: var(--space-2) 0;
    margin: 0 0 0 var(--space-4);
    z-index: auto;
    animation: none;
  }

  .has-submenu.open > .submenu-content {
    display: block !important;
  }

  .submenu-item > a {
    padding: var(--space-3) var(--space-4);
    background-color: transparent;
    margin-bottom: 0;
  }

  /* Tercer nivel con más indentación */
  .submenu-item.has-submenu > .submenu-content {
    background-color: transparent;
    margin-left: var(--space-4);
  }

  .submenu-item.has-submenu.open > .submenu-content .submenu-item > a {
    padding-left: var(--space-5);
  }

  /* Desactivar hover en móvil */
  .has-dropdown:hover > .dropdown-menu,
  .has-submenu:hover > .submenu-content {
    display: none;
  }

  /* Asegurar que cuando están open se muestren */
  .has-dropdown.open > .dropdown-menu,
  .has-submenu.open > .submenu-content {
    display: block;
  }
}

/* ============================================
   CONTENT WRAPPER
   ============================================ */
.content {
  max-width: 1280px;
  margin: 0 auto;
  padding: var(--space-6) var(--space-4);
}

/* ============================================
   CARDS & CONTAINERS
   ============================================ */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.card {
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  animation: fadeInUp 0.5s ease-out;
}

.card:nth-child(1) { animation-delay: 0.05s; }
.card:nth-child(2) { animation-delay: 0.1s; }
.card:nth-child(3) { animation-delay: 0.15s; }
.card:nth-child(4) { animation-delay: 0.2s; }
.card:nth-child(5) { animation-delay: 0.25s; }
.card:nth-child(6) { animation-delay: 0.3s; }

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

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

.card:hover::before {
  opacity: 0.5;
}

.card h2 {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-5);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--text-white);
  letter-spacing: -0.01em;
}

/* ============================================
   FORMS - Diseño moderno
   ============================================ */
.form-container,
.login-container {
  max-width: 420px;
  margin: var(--space-12) auto;
  padding: var(--space-8);
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-lg);
}

.login-container h1 {
  text-align: center;
  margin-bottom: var(--space-8);
  color: var(--text-primary);
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.login-form label {
  margin-bottom: var(--space-2);
}

.login-form input {
  margin-bottom: var(--space-4);
}

.login-form button[type="submit"] {
  margin-top: var(--space-4);
  width: 100%;
  padding: var(--space-4) var(--space-5);
}

.form-group {
  margin-bottom: var(--space-5);
}

label {
  display: block;
  margin-bottom: var(--space-2);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--text-secondary);
}

/* Excluimos checkbox/radio/range/file/button para que no hereden width:100% +
   padding generoso (los rompía visualmente: el checkbox se hacía gigante y la
   etiqueta caía a la siguiente línea — ver formularios de signal-backtest y
   alertas_config). El selector específico gana en cascada sobre cualquier
   regla genérica `input { ... }`. */
input:not([type=checkbox]):not([type=radio]):not([type=range]):not([type=file]):not([type=button]):not([type=submit]):not([type=reset]):not([type=image]),
select,
textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  color: var(--text-primary);
  font-size: var(--text-sm);
  font-family: inherit;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

input:not([type=checkbox]):not([type=radio]):not([type=range]):not([type=file]):not([type=button]):not([type=submit]):not([type=reset]):not([type=image]):hover,
select:hover,
textarea:hover {
  border-color: var(--border-hover);
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.15);
}

input:not([type=checkbox]):not([type=radio]):not([type=range]):not([type=file]):not([type=button]):not([type=submit]):not([type=reset]):not([type=image]):focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(29, 155, 240, 0.1), inset 0 2px 4px rgba(0, 0, 0, 0.1);
  transform: translateY(-1px);
}

/* Checkbox/radio limpios — accent-color es heredado del tema. */
input[type=checkbox], input[type=radio] {
  width: auto;
  margin: 0;
  accent-color: var(--color-primary, #4fc3f7);
  cursor: pointer;
}

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

/* ============================================
   APARIENCIA — Selector de paletas
   ============================================ */
.appearance-header {
  margin-bottom: var(--space-5);
}

.appearance-header h2 {
  margin: 0 0 var(--space-2) 0;
}

/* La vista Apariencia necesita más ancho para que las cards entren en grilla
   multi-columna (form-container base = 420px). */
.form-container.appearance-settings {
  max-width: 1080px;
}

.appearance-settings .palette-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.palette-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-4);
}

.palette-option {
  position: relative;
  display: block;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.palette-option input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

/* Tarjeta */
.palette-card {
  --pc-glow: color-mix(in srgb, var(--pc-accent) 35%, transparent);
  --pc-glow-soft: color-mix(in srgb, var(--pc-accent) 18%, transparent);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-3);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  background-color: var(--bg-tertiary);
  overflow: hidden;
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.palette-card::before {
  content: "";
  position: absolute;
  inset: -1px;
  background: radial-gradient(circle at 85% -10%, var(--pc-glow-soft) 0%, transparent 55%);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}

.palette-option:hover .palette-card {
  transform: translateY(-3px);
  border-color: var(--pc-accent);
}

.palette-option:hover .palette-card::before { opacity: 1; }

.palette-option input:checked + .palette-card {
  border-color: var(--pc-accent);
  box-shadow: 0 0 0 3px var(--pc-glow), 0 12px 28px -16px var(--pc-accent);
}

.palette-option input:checked + .palette-card::before { opacity: 1; }

.palette-option input:focus-visible + .palette-card {
  outline: 2px solid var(--pc-accent);
  outline-offset: 3px;
}

/* Mini-mockup */
.palette-preview {
  display: flex;
  height: 110px;
  border-radius: var(--border-radius);
  overflow: hidden;
  background-color: var(--pc-bg);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.04);
}

.pv-sidebar {
  width: 26%;
  background-color: var(--pc-surface);
  padding: 10px 8px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.pv-sidebar-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--pc-accent);
  box-shadow: 0 0 6px var(--pc-glow);
}

.pv-sidebar-line {
  height: 4px;
  border-radius: 2px;
  background-color: var(--pc-accent);
  opacity: 0.45;
  margin-top: 4px;
}

.pv-sidebar-line.short {
  width: 60%;
  opacity: 0.25;
  margin-top: 0;
}

.pv-main {
  flex: 1;
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 7px;
  position: relative;
}

.pv-toprow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
}

.pv-bar {
  flex: 1;
  height: 6px;
  border-radius: 3px;
  background-color: var(--pc-surface);
}

.pv-chip {
  width: 18px;
  height: 6px;
  border-radius: 3px;
  background-color: var(--pc-accent);
  opacity: 0.7;
}

.pv-chart {
  flex: 1;
  display: flex;
  align-items: stretch;
  margin-top: 1px;
}

.pv-chart svg {
  width: 100%;
  height: 100%;
}

.pv-chart polyline {
  fill: none;
  stroke: var(--pc-accent);
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  filter: drop-shadow(0 0 3px var(--pc-glow));
}

.pv-cta {
  position: absolute;
  right: 12px;
  bottom: 10px;
  width: 26px;
  height: 10px;
  border-radius: 5px;
  background-color: var(--pc-accent);
  box-shadow: 0 0 10px var(--pc-glow);
}

/* Metadatos */
.palette-meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 0 var(--space-1);
}

.palette-name {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
}

.palette-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--pc-accent);
  box-shadow: 0 0 8px var(--pc-glow);
}

.palette-tagline {
  font-size: var(--text-xs);
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

.palette-option input:checked + .palette-card .palette-tagline {
  color: var(--text-secondary);
}

/* Check badge */
.palette-check {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background-color: var(--pc-accent);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: scale(0.5) rotate(-20deg);
  transition: opacity var(--transition-fast), transform var(--transition-fast);
  box-shadow: 0 4px 12px -2px var(--pc-glow);
}

.palette-check svg {
  width: 13px;
  height: 13px;
}

.palette-option input:checked + .palette-card .palette-check {
  opacity: 1;
  transform: scale(1) rotate(0);
}

/* Variables scoped por paleta */
.palette-card.is-aurora   { --pc-bg: #0f1419; --pc-surface: #252930; --pc-accent: #1d9bf0; }
.palette-card.is-pampas   { --pc-bg: #0f1812; --pc-surface: #23372a; --pc-accent: #2bd97b; }
.palette-card.is-fundido  { --pc-bg: #1a1012; --pc-surface: #331f22; --pc-accent: #ff6b81; }
.palette-card.is-obsidian { --pc-bg: #12101a; --pc-surface: #2d2640; --pc-accent: #a78bfa; }
.palette-card.is-desierto { --pc-bg: #1a1510; --pc-surface: #3d3022; --pc-accent: #f59e0b; }
.palette-card.is-oceano   { --pc-bg: #0f1517; --pc-surface: #213138; --pc-accent: #22d3ee; }

.form-hint {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--text-muted);
}

/* ============================================
   BUTTONS - Sistema refinado
   ============================================ */
.btn,
button[type="submit"] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-hover) 100%);
  color: var(--text-white);
  border: none;
  border-radius: 10px;
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  font-family: inherit;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  text-decoration: none;
  line-height: 1;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  position: relative;
  overflow: hidden;
}

.btn::before,
button[type="submit"]::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, transparent 100%);
  opacity: 0;
  transition: opacity 0.2s ease;
}

.btn:hover,
button[type="submit"]:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
}

.btn:hover::before,
button[type="submit"]:hover::before {
  opacity: 1;
}

.btn:active,
button[type="submit"]:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* Variantes de botones */
.btn-sm {
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-xs);
}

.btn-success {
  background-color: var(--color-success);
}

.btn-success:hover {
  background-color: var(--color-success);
  background-color: color-mix(in srgb, var(--color-success) 85%, black);
}

.btn-danger {
  background-color: var(--color-error);
}

.btn-danger:hover {
  background-color: var(--color-error);
  background-color: color-mix(in srgb, var(--color-error) 85%, black);
}

.btn-outline {
  background-color: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
}

.btn-outline:hover {
  background-color: var(--bg-hover);
  border-color: var(--border-hover);
}

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

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

/* ============================================
   TABLES - Diseño limpio
   ============================================ */
.table-container {
  overflow-x: auto;
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--border-color);
}

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

thead {
  background-color: var(--bg-tertiary);
  border-bottom: 1px solid var(--border-color);
}

th {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  font-weight: var(--font-semibold);
  color: var(--text-secondary);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border-color);
}

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

tbody tr:hover {
  background-color: var(--bg-hover);
}

/* ============================================
   BADGES & TAGS
   ============================================ */
.tag,
.pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border-radius: 12px;
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  line-height: 1.2;
  transition: all 0.2s ease;
  backdrop-filter: blur(8px);
}

.tag.ok,
.pill.ok {
  background: linear-gradient(135deg, rgba(0, 186, 124, 0.15) 0%, rgba(0, 186, 124, 0.08) 100%);
  color: var(--color-success);
  border: 1px solid rgba(0, 186, 124, 0.3);
  box-shadow: 0 2px 8px rgba(0, 186, 124, 0.15);
}

.tag.bad,
.pill.bad {
  background: linear-gradient(135deg, rgba(244, 33, 46, 0.15) 0%, rgba(244, 33, 46, 0.08) 100%);
  color: var(--color-error);
  border: 1px solid rgba(244, 33, 46, 0.3);
  box-shadow: 0 2px 8px rgba(244, 33, 46, 0.15);
}

.tag.warn {
  background: linear-gradient(135deg, rgba(255, 173, 31, 0.15) 0%, rgba(255, 173, 31, 0.08) 100%);
  color: var(--color-warning);
  border: 1px solid rgba(255, 173, 31, 0.3);
  box-shadow: 0 2px 8px rgba(255, 173, 31, 0.15);
}

.tag:hover,
.pill:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.dot--ok { background-color: var(--color-success); }
.dot--bad { background-color: var(--color-error); }

/* ============================================
   FLASH MESSAGES
   ============================================ */
.flash-container {
  position: fixed;
  top: var(--space-4);
  right: var(--space-4);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  max-width: 400px;
}

.flash {
  padding: var(--space-4);
  background-color: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-left: 3px solid var(--color-primary);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-xl);
  animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(100%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.flash.success { border-left-color: var(--color-success); }
.flash.error { border-left-color: var(--color-error); }
.flash.warning { border-left-color: var(--color-warning); }

/* ============================================
   CONTROL BOT PAGE
   ============================================ */
.bot-grid {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: var(--space-6);
  align-items: start;
}

.status-row {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.log-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  flex-wrap: wrap;
}

.log-viewer,
#log-viewer {
  width: 100%;
  min-height: 400px;
  padding: var(--space-4);
  background-color: #000;
  color: #00ff41;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  line-height: 1.5;
  resize: vertical;
  overflow-y: auto;
}

/* ============================================
   DASHBOARD BIENVENIDA
   ============================================ */
.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--space-4);
}

.col-4 { grid-column: span 4; }
.col-6 { grid-column: span 6; }
.col-8 { grid-column: span 8; }
.col-12 { grid-column: span 12; }

.kpi {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
}

.pill {
  background: linear-gradient(135deg, var(--bg-elevated) 0%, var(--bg-tertiary) 100%);
  border: 1px solid var(--border-color);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--border-radius-lg);
  transition: all 0.2s ease;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

.pill:hover {
  border-color: var(--border-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.pill .muted {
  display: block;
  font-size: var(--text-xs);
  color: var(--text-muted);
  font-weight: var(--font-medium);
  margin-bottom: var(--space-1);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.pill .mono {
  display: block;
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
}

.mono {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
}

/* ============================================
   UTILITIES
   ============================================ */
.text-center { text-align: center; }
.text-sm { font-size: var(--text-sm); }
.text-muted { color: var(--text-muted); }
.muted { color: var(--text-muted); }
.subtle { color: var(--text-muted); font-size: var(--text-sm); }

.hidden { display: none !important; }
.visible { display: block !important; }

/* Spacing utilities */
.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-4 { margin-bottom: var(--space-4); }

/* Alignment */
.right { text-align: right; }

/* Wrap container for bienvenida */
.wrap {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--space-4);
}

/* H2 subtitle class */
.h2 {
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-4);
  color: var(--text-primary);
}

/* Button link style */
.btn-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  color: var(--color-primary);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  transition: color var(--transition-fast);
}

.btn-link:hover {
  color: var(--color-primary-hover);
  text-decoration: underline;
}

/* Action buttons for supervisor table */
.btn-action {
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  border: none;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: inherit;
}

.btn-start,
.btn-action.btn-start {
  background-color: var(--color-success);
  color: white;
}

.btn-start:hover,
.btn-action.btn-start:hover {
  background-color: var(--color-success);
  background-color: color-mix(in srgb, var(--color-success) 85%, black);
}

.btn-stop,
.btn-action.btn-stop {
  background-color: var(--color-error);
  color: white;
}

.btn-stop:hover,
.btn-action.btn-stop:hover {
  background-color: var(--color-error);
  background-color: color-mix(in srgb, var(--color-error) 85%, black);
}

.btn-reset,
.btn-action.btn-reset {
  background-color: var(--color-warning);
  color: #000;
}

.btn-reset:hover,
.btn-action.btn-reset:hover {
  background-color: var(--color-warning);
  background-color: color-mix(in srgb, var(--color-warning) 80%, black);
}

.btn-delete {
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  background-color: transparent;
  border: 1px solid var(--color-error);
  color: var(--color-error);
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: inherit;
}

.btn-delete:hover:not(:disabled) {
  background-color: var(--color-error);
  color: white;
}

.btn-delete:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* Toast messages (for bienvenida) */
#toast-stack {
  position: fixed;
  top: var(--space-6);
  right: var(--space-6);
  z-index: var(--z-toast);
  max-width: 480px;
}

.toast {
  background-color: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-left: 3px solid var(--color-warning);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-xl);
  padding: var(--space-5);
  margin-bottom: var(--space-3);
  animation: slideIn 0.3s ease-out;
}

.toast-title {
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-3);
}

.toast-list {
  list-style: none;
  margin: var(--space-4) 0;
  padding: 0;
}

.toast-list li {
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--border-color);
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.toast-list li:last-child {
  border-bottom: none;
}

.toast-list .label {
  font-weight: var(--font-medium);
  color: var(--text-muted);
}

.toast-list code {
  background-color: var(--bg-tertiary);
  padding: 2px 6px;
  border-radius: var(--border-radius-sm);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-primary);
}

.toast-list .sep {
  margin: 0 var(--space-2);
  color: var(--text-muted);
}

.toast-list .ua {
  margin-top: var(--space-1);
  font-size: var(--text-xs);
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.toast-actions {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .bot-grid {
    grid-template-columns: 1fr;
  }

  .col-4, .col-6, .col-8 {
    grid-column: span 12;
  }
}

@media (max-width: 768px) {
  .content {
    padding: var(--space-4) var(--space-3);
  }

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

  h1 { font-size: var(--text-xl); }

  .kpi {
    grid-template-columns: 1fr;
  }

  .table-container {
    border: none;
    border-radius: 0;
  }

  table {
    font-size: var(--text-xs);
  }

  th, td {
    padding: var(--space-2) var(--space-3);
  }
}

@media (max-width: 480px) {
  .form-container,
  .login-container {
    padding: var(--space-6);
    margin: var(--space-6) var(--space-3);
  }
}