/* ==========================================================================
   RENIX CODE - CORE DESIGN SYSTEM & THEMING (style.css)
   ========================================================================== */

:root {
    --transition-smooth: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    --font-sans: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

/* --------------------------------------------------------------------------
   TEMA OSCURO NEÓN (NEGRO PROFUNDO / ALTO CONTRASTE)
   -------------------------------------------------------------------------- */
[data-theme="dark"] {
    --bg-main: #050508;
    --bg-surface: #0a0a0f;
    --bg-elevated: #12121c;
    --bg-glass: rgba(10, 10, 15, 0.85);
    
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    
    --border-color: rgba(255, 255, 255, 0.1);
    --border-glow: rgba(255, 255, 255, 0.9);
    
    --neon-accent: #ffffff;
    --neon-glow: 0 0 15px rgba(255, 255, 255, 0.4), 0 0 30px rgba(255, 255, 255, 0.15);
    --neon-glow-strong: 0 0 20px rgba(255, 255, 255, 0.8), 0 0 45px rgba(255, 255, 255, 0.3);
    
    --grid-color: rgba(255, 255, 255, 0.025);
    --card-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.8);
    --badge-active-bg: rgba(16, 185, 129, 0.15);
    --badge-active-text: #34d399;
}

/* --------------------------------------------------------------------------
   TEMA CLARO CORPORATIVO (ALTO CONTRASTE Y LEGIBILIDAD)
   -------------------------------------------------------------------------- */
[data-theme="light"] {
    --bg-main: #f1f5f9;
    --bg-surface: #ffffff;
    --bg-elevated: #e2e8f0;
    --bg-glass: rgba(255, 255, 255, 0.92);
    
    --text-primary: #090d16;
    --text-secondary: #334155;
    --text-muted: #475569;
    
    --border-color: rgba(15, 23, 42, 0.18);
    --border-glow: #090d16;
    
    --neon-accent: #090d16;
    --neon-glow: 0 10px 25px rgba(15, 23, 42, 0.15);
    --neon-glow-strong: 0 12px 35px rgba(15, 23, 42, 0.25);
    
    --grid-color: rgba(15, 23, 42, 0.06);
    --card-shadow: 0 10px 25px -5px rgba(15, 23, 42, 0.1);
    --badge-active-bg: rgba(16, 185, 129, 0.15);
    --badge-active-text: #047857;
}

/* Base Body */
body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: var(--font-sans);
    transition: var(--transition-smooth);
    background-image: 
        linear-gradient(to right, var(--grid-color) 1px, transparent 1px),
        linear-gradient(to bottom, var(--grid-color) 1px, transparent 1px);
    background-size: 36px 36px;
}

/* Reusable Card with Glassmorphism */
.renix-card {
    background-color: var(--bg-glass);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    box-shadow: var(--card-shadow);
    transition: var(--transition-smooth);
}

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

/* Neon Primary Button */
.btn-neon {
    background-color: var(--text-primary);
    color: var(--bg-main);
    font-weight: 700;
    border-radius: 10px;
    box-shadow: var(--neon-glow);
    transition: var(--transition-smooth);
}

.btn-neon:hover {
    box-shadow: var(--neon-glow-strong);
    transform: scale(1.02);
}

/* FAB Floating Theme Switcher Architecture (Esquina Inferior Derecha - Expansión Hacia Arriba) */
.fab-theme-wrapper {
    position: fixed;
    bottom: 32px;
    right: 32px;
    z-index: 9999;
    display: flex;
    flex-direction: column; /* Apila el menú principal abajo y los sub-botones crecen hacia arriba */
    align-items: center;
    gap: 12px;
}

.fab-main-btn {
    width: 58px;
    height: 58px;
    border-radius: 50%;
    background-color: var(--bg-elevated);
    border: 1px solid var(--border-glow);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--neon-glow);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease;
    z-index: 2;
    order: 2; /* Asegura que el botón principal esté siempre en la base */
}

.fab-main-btn:hover {
    transform: scale(1.08) rotate(90deg);
}

/* Contenedor de sub-botones que aparecen arriba del FAB */
.fab-sub-list {
    display: flex;
    flex-direction: column; /* Los nuevos temas se van apilando hacia arriba */
    gap: 12px;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(20px) scale(0.9);
    transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1), 
                transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), 
                visibility 0.5s ease;
    order: 1; /* Coloca la lista de temas por encima del botón principal */
}

.fab-theme-wrapper.active .fab-sub-list {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0) scale(1);
}

.fab-sub-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.25);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
}

.fab-sub-btn:hover {
    transform: scale(1.1);
}

.fab-sub-btn.selected-theme {
    border-color: var(--border-glow);
    color: var(--text-primary);
    background-color: var(--bg-elevated);
    box-shadow: var(--neon-glow);
}

/* Tooltips for Sub Floating Buttons (Ajustados al lado izquierdo por estar en la derecha) */
.fab-sub-btn::after {
    content: attr(data-tooltip);
    position: absolute;
    right: 56px; /* Tooltip aparece a la izquierda del botón */
    background-color: var(--bg-elevated);
    color: var(--text-primary);
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 600;
    white-space: nowrap;
    border: 1px solid var(--border-color);
    opacity: 0;
    pointer-events: none;
    transform: translateX(6px);
    transition: opacity 0.25s ease, transform 0.25s ease;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.fab-sub-btn:hover::after {
    opacity: 1;
    transform: translateX(0);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-main);
}
::-webkit-scrollbar-thumb {
    background: var(--bg-elevated);
    border-radius: 4px;
    border: 1px solid var(--border-color);
}

/* Accordion FAQ Styling */
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease-out, opacity 0.25s ease;
    opacity: 0;
}

.faq-item.open .faq-answer {
    max-height: 250px;
    opacity: 1;
}

.faq-item.open .faq-icon {
    transform: rotate(180deg);
}

/* ==========================================================================
   ANIMACIÓN INNOVADORA AL ESCRIBIR / BORRAR (RENIX INPUT PULSE)
   ========================================================================== */

@keyframes renixTypeGlow {
  0% {
    border-color: var(--border-glow, #3b82f6);
    box-shadow: 0 0 15px var(--neon-glow, rgba(59, 130, 246, 0.5));
    transform: scale(1.008);
  }
  50% {
    transform: scale(1.012);
  }
  100% {
    transform: scale(1);
  }
}

@keyframes renixDeleteShake {
  0% {
    border-color: #ef4444;
    box-shadow: 0 0 12px rgba(239, 68, 68, 0.4);
    transform: translateX(-1.5px);
  }
  25% {
    transform: translateX(1.5px);
  }
  50% {
    transform: translateX(-1px);
  }
  75% {
    transform: translateX(1px);
  }
  100% {
    transform: translateX(0);
  }
}

.input-typing-active {
  animation: renixTypeGlow 0.18s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

.input-deleting-active {
  animation: renixDeleteShake 0.18s ease-in-out !important;
}

/* ==========================================================================
   EFECTO DE MICROPARTÍCULAS AL ESCRIBIR / BORRAR
   ========================================================================== */

.renix-particle {
  position: fixed;
  pointer-events: none;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--border-glow, #3b82f6);
  box-shadow: 0 0 10px var(--neon-glow, rgba(59, 130, 246, 0.9));
  opacity: 1;
  animation: particleFloat 0.45s ease-out forwards;
  z-index: 9999;
}

.renix-particle-delete {
  background: #ef4444;
  box-shadow: 0 0 10px rgba(239, 68, 68, 0.9);
}

@keyframes particleFloat {
  0% {
    transform: translateY(0) scale(1);
    opacity: 1;
  }
  100% {
    transform: translateY(18px) translateX(var(--rand-x, 10px)) scale(0.1);
    opacity: 0;
  }
}