/*
 * MEGA-LIBRARY DESIGN SYSTEM
 * "Knowledge Prism" - Dark Premium Aesthetic
 * 
 * Filosofía: Conocimiento iluminado en la oscuridad
 * - Fondo oscuro profundo para reducir fatiga visual
 * - Acentos de gradiente prismático (violeta → cyan)
 * - Glassmorphism sutil para profundidad
 * - Tipografía clara y legible
 */

/* ═══════════════════════════════════════════════════════
   IMPORTS - Fuentes Distintivas
   ═══════════════════════════════════════════════════════ */

/* Clash Display: Títulos con carácter */

/* Font imports moved to HTML for performance */



/* ═══════════════════════════════════════════════════════
   CSS CUSTOM PROPERTIES - Design Tokens
   ═══════════════════════════════════════════════════════ */

:root {
    /* === COLORES BASE - OLED OPTIMIZED (DARK) === */
    --color-bg-primary: #000000;
    --color-bg-secondary: #0A0A0F;
    --color-bg-tertiary: #12121A;
    --color-bg-elevated: #1A1A24;

    /* === COLORES DE TEXTO === */
    --color-text-primary: #FFFFFF;
    --color-text-secondary: #E2E8F0;
    --color-text-muted: #CBD5E1;
    --color-text-inverse: #000000;

    /* === COLORES DE ACENTO (Prism 3.0) === */
    --color-accent-violet: #8B5CF6;
    --color-accent-purple: #D946EF;
    --color-accent-cyan: #06B6D4;
    --color-accent-teal: #2DD4BF;
    --color-error: #EF4444;
    --color-success: #10B981;

    /* === GRADIENTES === */
    --gradient-prism: linear-gradient(135deg, var(--color-accent-violet), var(--color-accent-cyan));
    --gradient-prism-vibrant: linear-gradient(135deg, #A855F7 0%, #06B6D4 100%);
    --gradient-prism-soft: linear-gradient(135deg, rgba(139, 92, 246, 0.15), rgba(6, 182, 212, 0.15));
    --gradient-glow: radial-gradient(circle at top center, rgba(139, 92, 246, 0.15) 0%, transparent 80%);
    --gradient-surface: linear-gradient(180deg, rgba(255, 255, 255, 0.03) 0%, transparent 100%);

    /* === TIPOGRAFÍA === */
    --font-display: 'Clash Display', system-ui, sans-serif;
    --font-body: 'Outfit', system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    /* Tamaños fluidos */
    --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
    --text-sm: clamp(0.875rem, 0.8rem + 0.375vw, 1rem);
    --text-base: clamp(1rem, 0.925rem + 0.375vw, 1.125rem);
    --text-lg: clamp(1.125rem, 1rem + 0.625vw, 1.375rem);
    --text-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.625rem);
    --text-2xl: clamp(1.5rem, 1.25rem + 1.25vw, 2.25rem);
    --text-3xl: clamp(1.875rem, 1.5rem + 1.875vw, 3rem);
    --text-4xl: clamp(2.5rem, 2rem + 2.5vw, 4.5rem);

    /* === ESPACIADO === */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;

    /* === BORDES Y SOMBRAS === */
    --radius-sm: 0.375rem;
    --radius-md: 0.625rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-2xl: 2rem;
    --radius-full: 9999px;

    --border-color: rgba(255, 255, 255, 0.12);
    --border-color-hover: rgba(255, 255, 255, 0.15);

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px rgba(124, 58, 237, 0.3);

    /* === TRANSICIONES === */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;

    /* === LAYOUT === */
    --max-width: 1400px;
    --header-height: 80px;
}

/* ═══════════════════════════════════════════════════════
   LIGHT MODE PALETTE - Prism 2.0
   ═══════════════════════════════════════════════════════ */
body.light-mode {
    --color-bg-primary: #FFFFFF;
    --color-bg-secondary: #F1F5F9;
    --color-bg-tertiary: #E2E8F0;
    --color-bg-elevated: #CBD5E1;

    --color-text-primary: #0F172A;
    --color-text-secondary: #334155;
    /* Higher contrast */
    --color-text-muted: #475569;
    /* Higher contrast */
    --color-text-inverse: #FFFFFF;

    --border-color: rgba(15, 23, 42, 0.1);
    --border-color-hover: rgba(15, 23, 42, 0.2);

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
    --shadow-glow: 0 0 40px rgba(124, 58, 237, 0.1);

    --gradient-glow: radial-gradient(circle at top center, rgba(139, 92, 246, 0.03) 0%, transparent 80%);
    --gradient-surface: linear-gradient(180deg, rgba(0, 0, 0, 0.01) 0%, transparent 100%);
}

/* ═══════════════════════════════════════════════════════
   ADMIN VISIBILITY SYSTEM
   ═══════════════════════════════════════════════════════ */

.admin-only {
    display: none !important;
}

body.admin-mode .admin-only {
    display: block !important;
}

body.admin-mode .admin-only-flex {
    display: flex !important;
}

body.admin-mode .admin-only-grid {
    display: grid !important;
}

/* ═══════════════════════════════════════════════════════
   STANDARDIZED KB-CARD SYSTEM
   ═══════════════════════════════════════════════════════ */

.kb-card {
    display: block;
    padding: var(--space-6);
    background: var(--color-bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

.kb-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-surface);
    opacity: 0.5;
    pointer-events: none;
}

.kb-card:hover {
    border-color: var(--color-accent-violet);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    background: var(--color-bg-tertiary);
}

.kb-card__category {
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-accent-cyan);
    margin-bottom: var(--space-2);
}

.kb-card__title {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--space-3);
    line-height: 1.3;
}

.kb-card__summary {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-4);
    line-height: 1.6;
}

.kb-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--space-4);
    border-top: 1px solid var(--border-color);
    margin-top: auto;
}



/* ═══════════════════════════════════════════════════════
   RESET & BASE
   ═══════════════════════════════════════════════════════ */

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

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

/* ═══════════════════════════════════════════════════════
   SCROLL ARROWS FOR DESKTOP (v5.4)
   Flechas ← → para navegar horizontalmente
   ═══════════════════════════════════════════════════════ */

.scroll-wrapper {
    position: relative;
}

.scroll-arrow {
    /* HIDDEN: Using new JavaScript-generated navigation buttons instead */
    display: none !important;
}

.scroll-arrow:hover {
    background: var(--color-accent-violet);
    border-color: var(--color-accent-violet);
    transform: translateY(-50%) scale(1.1);
}

.scroll-arrow--left {
    left: -24px;
}

.scroll-arrow--right {
    right: -24px;
}

/* Ocultar flechas en móvil (touch funciona nativo) */
@media (max-width: 768px) {
    .scroll-arrow {
        display: none;
    }
}

body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: 1.7;
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    min-height: 100vh;
}

/* Mobile: Add padding for floating dock navigation */
@media (max-width: 768px) {
    body {
        padding-bottom: 120px;
        /* Space for prism-dock */
    }
}

/* Fondo con gradiente sutil */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background: var(--gradient-glow);
    pointer-events: none;
    z-index: -1;
}


/* ═══════════════════════════════════════════════════════
   TIPOGRAFÍA
   ═══════════════════════════════════════════════════════ */

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-text-primary);
}

h1 {
    font-size: var(--text-4xl);
}

h2 {
    font-size: var(--text-3xl);
}

h3 {
    font-size: var(--text-2xl);
}

h4 {
    font-size: var(--text-xl);
}

h5 {
    font-size: var(--text-lg);
}

h6 {
    font-size: var(--text-base);
}

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

a {
    color: var(--color-accent-cyan);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-accent-purple);
}

code,
pre {
    font-family: var(--font-mono);
    font-size: 0.9em;
}

code {
    background: var(--color-bg-tertiary);
    padding: 0.2em 0.4em;
    border-radius: var(--radius-sm);
}


/* ═══════════════════════════════════════════════════════
   LAYOUT UTILITIES
   ═══════════════════════════════════════════════════════ */

.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.section {
    padding: var(--space-16) 0;
}

.flex {
    display: flex;
}

.flex-col {
    flex-direction: column;
}

.items-center {
    align-items: center;
}

.justify-center {
    justify-content: center;
}

.justify-between {
    justify-content: space-between;
}

.gap-2 {
    gap: var(--space-2);
}

.gap-4 {
    gap: var(--space-4);
}

.gap-6 {
    gap: var(--space-6);
}

.gap-8 {
    gap: var(--space-8);
}

.grid {
    display: grid;
}

.grid-cols-1 {
    grid-template-columns: repeat(1, 1fr);
}

.grid-cols-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-cols-3 {
    grid-template-columns: repeat(3, 1fr);
}

@media (min-width: 768px) {
    .md\:grid-cols-2 {
        grid-template-columns: repeat(2, 1fr);
    }

    .md\:grid-cols-3 {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1024px) {
    .lg\:grid-cols-3 {
        grid-template-columns: repeat(3, 1fr);
    }

    .lg\:grid-cols-4 {
        grid-template-columns: repeat(4, 1fr);
    }
}


/* ═══════════════════════════════════════════════════════
   HEADER
   ═══════════════════════════════════════════════════════ */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(32px) saturate(180%);
    -webkit-backdrop-filter: blur(32px) saturate(180%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    z-index: 1000;
    transition: opacity var(--transition-base), transform var(--transition-base);
}

.header:hover {
    background: rgba(0, 0, 0, 0.8);
    border-bottom-color: rgba(139, 92, 246, 0.2);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.header__logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--color-text-primary);
}

.header__logo-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-prism);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.header__nav {
    display: flex;
    align-items: center;
    gap: var(--space-6);
}

.header__nav-link {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

.header__nav-link:hover {
    color: var(--color-text-primary);
}

.header__search {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.header__search:hover {
    border-color: var(--border-color-hover);
    background: var(--color-bg-elevated);
}

.header__search-text {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
}

.header__search-kbd {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    padding: 0.15em 0.5em;
    background: var(--color-bg-secondary);
    border-radius: var(--radius-sm);
    color: var(--color-text-muted);
}


/* ═══════════════════════════════════════════════════════
   HERO SECTION
   ═══════════════════════════════════════════════════════ */

.hero {
    padding-top: calc(var(--header-height) + var(--space-20));
    padding-bottom: var(--space-20);
    text-align: center;
    position: relative;
    overflow: hidden;
    background: radial-gradient(circle at center, rgba(139, 92, 246, 0.08) 0%, transparent 70%);
}

.hero::after {
    content: '';
    position: absolute;
    top: 10%;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 40%;
    background: radial-gradient(ellipse, rgba(6, 182, 212, 0.1) 0%, transparent 60%);
    filter: blur(60px);
    pointer-events: none;
    z-index: -1;
}

.hero__tagline {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: var(--gradient-prism-soft);
    border: 1px solid rgba(124, 58, 237, 0.3);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-accent-purple);
    margin-bottom: var(--space-6);
}

.hero__title {
    max-width: 900px;
    margin: 0 auto var(--space-6);
}

.hero__title-gradient {
    background: var(--gradient-prism);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero__subtitle {
    max-width: 600px;
    margin: 0 auto var(--space-8);
    font-size: var(--text-lg);
    color: var(--color-text-muted);
}

.hero__stats {
    display: flex;
    justify-content: center;
    gap: var(--space-12);
    flex-wrap: wrap;
}

.hero__stat {
    text-align: center;
}

.hero__stat-value {
    font-family: var(--font-display);
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--color-text-primary);
}

.hero__stat-label {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
}


/* ═══════════════════════════════════════════════════════
   CATEGORY CARDS
   ═══════════════════════════════════════════════════════ */

.categories {
    padding: var(--space-16) 0;
}

.categories__title {
    text-align: center;
    margin-bottom: var(--space-4);
}

.categories__subtitle {
    text-align: center;
    color: var(--color-text-muted);
    margin-bottom: var(--space-10);
}

.category-card {
    position: relative;
    padding: var(--space-6);
    background: var(--color-bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    overflow: hidden;
}

.category-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--category-gradient, var(--gradient-prism-soft));
    opacity: 0;
    transition: opacity var(--transition-base);
}

.category-card:hover {
    border-color: var(--border-color-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.category-card:hover::before {
    opacity: 1;
}

.category-card__content {
    position: relative;
    z-index: 1;
}

.category-card__icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-4);
}

.category-card__name {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 600;
    margin-bottom: var(--space-2);
}

.category-card__description {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--space-4);
}

.category-card__count {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-xs);
    font-weight: 500;
    color: var(--color-text-secondary);
    padding: var(--space-1) var(--space-3);
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-full);
}


/* ═══════════════════════════════════════════════════════
   CONCEPT CARDS (Glossary Items)
   ═══════════════════════════════════════════════════════ */

.concept-card {
    display: block;
    padding: var(--space-5);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.concept-card:hover {
    border-color: rgba(139, 92, 246, 0.3);
    background: rgba(255, 255, 255, 0.06);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.concept-card__category {
    display: inline-block;
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-accent-cyan);
    margin-bottom: var(--space-2);
}

.concept-card__title {
    font-family: var(--font-display);
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--space-2);
}

.concept-card__summary {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    line-clamp: 2;
    overflow: hidden;
}


/* ═══════════════════════════════════════════════════════
   GUIDE CARDS
   ═══════════════════════════════════════════════════════ */

.guide-card {
    display: flex;
    flex-direction: column;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-slow);
    backdrop-filter: blur(12px);
}

.guide-card:hover {
    border-color: rgba(6, 182, 212, 0.3);
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
    background: rgba(255, 255, 255, 0.06);
}

.guide-card__image {
    width: 100%;
    aspect-ratio: 16/9;
    background: var(--gradient-prism-soft);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
}

.guide-card__content {
    padding: var(--space-5);
    flex: 1;
}

.guide-card__category {
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-accent-violet);
    margin-bottom: var(--space-2);
}

.guide-card__title {
    font-family: var(--font-display);
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--space-2);
}

.guide-card__excerpt {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--space-4);
}

.guide-card__meta {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    font-size: var(--text-xs);
    color: var(--color-text-muted);
}


/* ═══════════════════════════════════════════════════════
   PRODUCT CARDS
   ═══════════════════════════════════════════════════════ */

.product-card {
    display: flex;
    flex-direction: column;
    padding: var(--space-5);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    backdrop-filter: blur(12px);
}

.product-card:hover {
    border-color: var(--color-success);
    transform: translateY(-4px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
    background: rgba(255, 255, 255, 0.06);
}

.product-card__image {
    width: 100%;
    aspect-ratio: 1;
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-4);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
}

.product-card__name {
    font-weight: 600;
    font-size: var(--text-base);
    color: var(--color-text-primary);
    margin-bottom: var(--space-2);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    line-clamp: 2;
    overflow: hidden;
}

.product-card__rating {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    font-size: var(--text-sm);
    color: var(--color-warning);
    margin-bottom: var(--space-3);
}

.product-card__price {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--space-4);
}

.product-card__cta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    background: var(--color-success);
    color: var(--color-text-inverse);
    font-weight: 600;
    font-size: var(--text-sm);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.product-card__cta:hover {
    background: #0EA271;
    color: var(--color-text-inverse);
}


/* ═══════════════════════════════════════════════════════
   BUTTONS
   ═══════════════════════════════════════════════════════ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: var(--text-sm);
    cursor: pointer;
    transition: all var(--transition-base);
    border: 1px solid transparent;
}

.btn--primary {
    background: var(--gradient-prism);
    color: white;
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(139, 92, 246, 0.5);
    filter: brightness(1.1);
}

.btn--secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-text-primary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(8px);
}

.btn--secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(139, 92, 246, 0.4);
    transform: translateY(-2px);
}


/* ═══════════════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════════════ */

.footer {
    padding: var(--space-20) 0 var(--space-8);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    background: linear-gradient(180deg, rgba(10, 10, 15, 1) 0%, #000000 100%);
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(139, 92, 246, 0.3), transparent);
}

.footer__grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: var(--space-10);
    margin-bottom: var(--space-10);
}

@media (max-width: 768px) {
    .footer__grid {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }
}

.footer__brand {
    max-width: 300px;
}

.footer__logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--space-4);
}

.footer__description {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
}

.footer__section-title {
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-primary);
    margin-bottom: var(--space-4);
}

.footer__links {
    list-style: none;
}

.footer__link {
    display: block;
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    padding: var(--space-1) 0;
    transition: color var(--transition-fast);
}

.footer__link:hover {
    color: var(--color-text-primary);
}

.footer__bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-8);
    border-top: 1px solid var(--border-color);
    font-size: var(--text-sm);
    color: var(--color-text-muted);
}

.footer__affiliate-notice {
    max-width: 600px;
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    opacity: 0.8;
}


/* ═══════════════════════════════════════════════════════
   BREADCRUMBS
   ═══════════════════════════════════════════════════════ */

.breadcrumbs {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--space-6);
}

.breadcrumbs__link {
    color: var(--color-text-muted);
}

.breadcrumbs__link:hover {
    color: var(--color-text-primary);
}

.breadcrumbs__separator {
    color: var(--color-text-muted);
    opacity: 0.5;
}

.breadcrumbs__current {
    color: var(--color-text-secondary);
}


/* ═══════════════════════════════════════════════════════
   ARTICLE CONTENT (Concept/Guide Pages)
   ═══════════════════════════════════════════════════════ */

.article {
    padding-top: calc(var(--header-height) + var(--space-8));
}

.article__header {
    margin-bottom: var(--space-10);
}

.article__category {
    display: inline-block;
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-accent-cyan);
    margin-bottom: var(--space-4);
}

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

.article__meta {
    display: flex;
    align-items: center;
    gap: var(--space-6);
    font-size: var(--text-sm);
    color: var(--color-text-muted);
}

.article__tldr {
    padding: var(--space-6);
    background: var(--gradient-prism-soft);
    border: 1px solid rgba(124, 58, 237, 0.3);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-10);
}

.article__tldr-title {
    font-family: var(--font-display);
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--color-accent-purple);
    margin-bottom: var(--space-2);
}

.article__content h2 {
    margin-top: var(--space-12);
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-2);
    border-bottom: 1px solid var(--border-color);
}

.article__content h3 {
    margin-top: var(--space-8);
    margin-bottom: var(--space-3);
}

.article__content ul,
.article__content ol {
    margin-bottom: var(--space-4);
    padding-left: var(--space-6);
}

.article__content li {
    margin-bottom: var(--space-2);
    color: var(--color-text-secondary);
}


/* ═══════════════════════════════════════════════════════
   FAQ SECTION
   ═══════════════════════════════════════════════════════ */

.faq {
    margin-top: var(--space-12);
    padding-top: var(--space-8);
    border-top: 1px solid var(--border-color);
}

.faq__title {
    margin-bottom: var(--space-6);
}

.faq__item {
    padding: var(--space-5);
    background: var(--color-bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-4);
}

.faq__question {
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--space-2);
}

.faq__answer {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
}


/* ═══════════════════════════════════════════════════════
   RESPONSIVE MOBILE MENU
   ═══════════════════════════════════════════════════════ */

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-2);
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    transition: all var(--transition-fast);
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: none;
        /* We don't use hamburger anymore! */
    }

    .header__nav {
        display: none;
    }

    .header__search {
        display: none;
    }

    /* Add bottom padding to body for the dock */
    body {
        padding-bottom: 120px;
    }
}


/* ═══════════════════════════════════════════════════════
   🔮 PRISM DOCK 2.0 - Orbital Navigation System
   An innovative floating dock with holographic prism trigger
   that expands into an orbital menu with energy trails
   ═══════════════════════════════════════════════════════ */

/* ─────────────────────────────────────────────────────────
   PRISM DOCK - Base Container
   ───────────────────────────────────────────────────────── */
.prism-dock {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    pointer-events: none;
}

@media (max-width: 768px) {
    .prism-dock {
        display: block;
    }
}

/* ─────────────────────────────────────────────────────────
   PRISM DOCK - Overlay (when menu is open)
   ───────────────────────────────────────────────────────── */
/* ─────────────────────────────────────────────────────────
   SENSOR DOCK 3.0 - The Level God Navigation
   ───────────────────────────────────────────────────────── */
.prism-dock {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 1000;
}

.prism-dock__overlay {
    position: fixed;
    inset: 0;
    background: radial-gradient(circle at center, rgba(0, 0, 0, 0.4) 0%, rgba(0, 0, 0, 0.9) 100%);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    opacity: 0;
    visibility: hidden;
    transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 1001;
}

.prism-dock.open .prism-dock__overlay {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.prism-dock__bar {
    position: fixed;
    bottom: calc(var(--space-6) + env(safe-area-inset-bottom, 0px));
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background: rgba(18, 18, 26, 0.7);
    backdrop-filter: blur(32px);
    -webkit-backdrop-filter: blur(32px);
    border: 1px solid rgba(124, 58, 237, 0.4);
    border-radius: 50%;
    box-shadow:
        0 0 0 1px rgba(255, 255, 255, 0.05),
        0 20px 40px rgba(0, 0, 0, 0.6),
        0 0 80px rgba(124, 58, 237, 0.2);
    pointer-events: auto;
    z-index: 1003;
    transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.prism-dock.open .prism-dock__bar {
    transform: translateX(-50%) scale(1.1);
    border-color: var(--color-accent-cyan);
    box-shadow: 0 0 100px rgba(6, 182, 212, 0.4);
}

.prism-trigger {
    position: relative;
    width: 100%;
    height: 100%;
    background: transparent;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s ease-out;
}

/* The Liquid Prism Shape */
.prism-trigger__shape {
    position: relative;
    width: 44px;
    height: 44px;
    background: var(--gradient-prism);
    clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
    filter: drop-shadow(0 0 15px rgba(124, 58, 237, 0.8));
    animation: liquidPrism 6s ease-in-out infinite;
    transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.prism-dock.open .prism-trigger__shape {
    transform: rotate(180deg) scale(0.8);
    background: var(--color-accent-cyan);
    filter: drop-shadow(0 0 20px var(--color-accent-cyan));
}

@keyframes liquidPrism {

    0%,
    100% {
        clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
        transform: rotate(0deg) scale(1);
    }

    33% {
        clip-path: polygon(45% 5%, 95% 45%, 55% 95%, 5% 55%);
        transform: rotate(120deg) scale(1.1);
    }

    66% {
        clip-path: polygon(55% 2%, 92% 55%, 45% 92%, 8% 45%);
        transform: rotate(240deg) scale(0.9);
    }
}

/* Orbital Layout v3.0 */
.prism-dock__orbital {
    position: fixed;
    bottom: calc(140px + env(safe-area-inset-bottom, 0px));
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    justify-content: center;
    gap: var(--space-4);
    z-index: 1002;
    pointer-events: none;
    transition: all 0.5s ease;
}

.orbital__item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    text-decoration: none;
    opacity: 0;
    transform: translateY(50px) scale(0.5);
    transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.prism-dock.open .orbital__item {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}

.orbital__icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    backdrop-filter: blur(12px);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.orbital__item:hover .orbital__icon {
    background: rgba(124, 58, 237, 0.2);
    border-color: var(--color-accent-violet);
    transform: translateY(-8px) scale(1.1);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.4);
}

.orbital__label {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--color-text-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    opacity: 0.7;
}

/* ─────────────────────────────────────────────────────────
   PARTICLE EFFECTS (optional enhancement)
   ───────────────────────────────────────────────────────── */
.prism-dock__particles {
    position: fixed;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.prism-dock.open .prism-dock__particles {
    opacity: 1;
}

/* ─────────────────────────────────────────────────────────
   MINI DOCK ITEMS (legacy support, hidden in 2.0)
   ───────────────────────────────────────────────────────── */
/* --- SABERCOMPRAR v8.0: KNOWLEDGE LIBRARY & HORIZONTAL PARADIGM --- */

/* Horizontal "Bento" Container */
.bento-horizontal {
    display: flex;
    overflow-x: auto;
    gap: var(--space-6);
    padding: var(--space-6) 0;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
    /* Hide scrollbar for clean aesthetic */
    -ms-overflow-style: none;
}

.bento-horizontal::-webkit-scrollbar {
    display: none;
}

.bento-horizontal>* {
    flex: 0 0 85%;
    /* Shows a peek of the next card */
    scroll-snap-align: center;
}

@media (min-width: 1024px) {
    .bento-horizontal {
        gap: var(--space-8);
        padding: var(--space-8) 0;
    }

    .bento-horizontal>* {
        flex: 0 0 calc(33.333% - var(--space-8));
    }
}

/* Fix for filter chips inside bento-horizontal (User request) */
.filter-chips.bento-horizontal>.filter-chip {
    flex: 0 0 auto;
    scroll-snap-align: start;
}

/* Expert Friend Note Case */
.expert-note {
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.1), rgba(6, 182, 212, 0.1));
    border: 1px solid rgba(124, 58, 237, 0.3);
    border-radius: var(--radius-2xl);
    padding: var(--space-6);
    margin: var(--space-8) 0;
    position: relative;
    overflow: hidden;
}

.expert-note::before {
    content: "💬";
    font-size: 2rem;
    position: absolute;
    top: -10px;
    right: -10px;
    opacity: 0.2;
    transform: rotate(15deg);
}

.expert-note__title {
    color: var(--color-accent-violet);
    font-weight: 800;
    text-transform: uppercase;
    font-size: var(--text-sm);
    letter-spacing: 0.1em;
    margin-bottom: var(--space-2);
    display: block;
}

.expert-note__content {
    font-family: var(--font-secondary);
    font-style: italic;
    font-size: var(--text-lg);
    line-height: 1.6;
    color: var(--color-text-primary);
}

/* Knowledge Prism Decoration */
.prism-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    pointer-events: none;
    opacity: 0.4;
    background: radial-gradient(circle at 50% 50%, rgba(124, 58, 237, 0.05) 0%, transparent 70%);
}

/* Responsive Horizontal Fix (User request) */
@media (max-width: 768px) {
    .horizontal-nav {
        display: flex;
        overflow-x: auto;
        white-space: nowrap;
        -webkit-overflow-scrolling: touch;
    }
}

/* ═══════════════════════════════════════════════════════
   TRUST ARCHITECTURE - "Level God" Authority Signals
   ═══════════════════════════════════════════════════════ */

/* Certified Expert Badge - Skeuomorphic & Premium */
.expert-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: linear-gradient(135deg, rgba(20, 184, 166, 0.1), rgba(45, 212, 191, 0.05));
    border: 1px solid rgba(45, 212, 191, 0.2);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--color-accent-teal);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    backdrop-filter: blur(8px);
    box-shadow: 0 4px 12px rgba(45, 212, 191, 0.1);
    margin-bottom: var(--space-4);
}

.expert-badge__icon {
    font-size: 1.2rem;
    filter: drop-shadow(0 0 4px var(--color-accent-teal));
}

/* Benefit Bar - High Conversion Trust Signals */
.benefit-bar {
    background: rgba(255, 255, 255, 0.02);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    padding: var(--space-6) 0;
    margin: var(--space-12) 0;
}

.benefit-bar__grid {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-6);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-8);
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: var(--space-6);
    padding: var(--space-4);
    background: rgba(255, 255, 255, 0.01);
    border-radius: var(--radius-lg);
    border: 1px solid transparent;
    transition: all var(--transition-base);
}

.benefit-item:hover {
    background: rgba(255, 255, 255, 0.03);
    border-color: rgba(255, 255, 255, 0.05);
    transform: translateY(-5px);
}

.benefit-item__icon {
    font-size: 2rem;
    color: var(--color-accent-cyan);
    background: rgba(6, 182, 212, 0.1);
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
}

.benefit-item__content {
    flex: 1;
}

.benefit-item__title {
    display: block;
    color: var(--color-text-primary);
    font-weight: 700;
    font-size: var(--text-base);
    margin-bottom: 2px;
}

.benefit-item__text {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
}

@media (max-width: 768px) {
    .benefit-bar__grid {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }
}




/* ═══════════════════════════════════════════════════════
   UTILITY CLASSES
   ═══════════════════════════════════════════════════════ */

.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-gradient {
    background: var(--gradient-prism);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.mb-6 {
    margin-bottom: var(--space-6);
}

.mb-8 {
    margin-bottom: var(--space-8);
}

.mb-10 {
    margin-bottom: var(--space-10);
}

.hidden {
    display: none !important;
}

/* Animaciones de entrada */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fadeIn {
    animation: fadeIn 0.6s ease forwards;
}

/* Respeto por prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .prism-dock__expand {
        animation: none;
    }
}


/* ═══════════════════════════════════════════════════════
   HORIZONTAL SCROLL SECTIONS (v5)
   ═══════════════════════════════════════════════════════ */

.scroll-section {
    margin-bottom: var(--space-12);
}

.scroll-section__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-5);
    padding: 0 var(--space-4);
}

.scroll-section__title {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.scroll-section__link {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-accent-cyan);
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.scroll-section__link:hover {
    color: var(--color-accent-violet);
}

.scroll-container {
    display: flex;
    gap: var(--space-4);
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    padding: var(--space-2) var(--space-4);
    margin: 0 calc(-1 * var(--space-4));
    scrollbar-width: none;
    /* Firefox */
}

.scroll-container::-webkit-scrollbar {
    display: none;
    /* Chrome/Safari */
}

.scroll-container>* {
    scroll-snap-align: start;
    flex-shrink: 0;
}

/* Compact cards for horizontal scroll */
.scroll-card {
    width: 280px;
    padding: var(--space-5);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    backdrop-filter: blur(8px);
}

.scroll-card:hover {
    border-color: var(--color-accent-violet);
    transform: translateY(-4px);
    background: rgba(255, 255, 255, 0.06);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.4);
}

.scroll-card__category {
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-accent-cyan);
    margin-bottom: var(--space-2);
}

.scroll-card__title {
    font-family: var(--font-display);
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--space-2);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    line-clamp: 2;
    overflow: hidden;
}

.scroll-card__summary {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    line-clamp: 2;
    overflow: hidden;
}

/* Guide scroll cards (taller with image) */
.scroll-card--guide {
    width: 300px;
}

.scroll-card--guide .scroll-card__image {
    width: 100%;
    aspect-ratio: 16/10;
    background: var(--gradient-prism-soft);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-3);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
}

.scroll-card--guide .scroll-card__meta {
    display: flex;
    gap: var(--space-3);
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    margin-top: var(--space-2);
}


/* ═══════════════════════════════════════════════════════
   FILTER CHIPS (Dynamic)
   ═══════════════════════════════════════════════════════ */

.filter-chips {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: var(--space-8);
    padding: 0 var(--space-4);
}

.filter-chip {
    padding: var(--space-2) var(--space-4);
    background: var(--color-bg-tertiary);
    color: var(--color-text-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.filter-chip:hover {
    border-color: var(--color-accent-violet);
    color: var(--color-text-primary);
}

.filter-chip--active {
    background: var(--gradient-prism);
    color: white;
    border-color: transparent;
}

.filter-chip--active:hover {
    border-color: transparent;
}

/* Filterable cards */
.filterable-card {
    transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.filterable-card.hidden {
    display: none;
}


/* ═══════════════════════════════════════════════════════
   HORIZONTAL SCROLL SYSTEM (v5.3)
   Scroll-container with drag-to-scroll and touch support
   ═══════════════════════════════════════════════════════ */

/* Scroll Section - Wrapper with header */
.scroll-section {
    margin-bottom: var(--space-8);
}

.scroll-section__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-4);
    padding: 0 var(--space-2);
}

.scroll-section__title {
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.scroll-section__title span {
    font-size: 1.2em;
}

.scroll-section__link {
    color: var(--color-accent-cyan);
    font-size: var(--text-sm);
    font-weight: 500;
    text-decoration: none;
    transition: color var(--transition-fast);
}

.scroll-section__link:hover {
    color: var(--color-accent-violet);
}

/* Scroll Container - Horizontal scrollable area */
.scroll-container {
    display: flex;
    gap: var(--space-4);
    overflow-x: auto;
    overflow-y: hidden;
    padding: var(--space-2) var(--space-2);
    margin: 0 calc(-1 * var(--space-2));
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    /* Firefox */
    cursor: grab;
}

.scroll-container::-webkit-scrollbar {
    display: none;
    /* Chrome, Safari */
}

.scroll-container:active {
    cursor: grabbing;
}

/* Scroll Card - Individual card in horizontal scroll */
.scroll-card {
    flex-shrink: 0;
    width: 260px;
    min-height: 140px;
    padding: var(--space-5);
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-bg-elevated);
    border-radius: var(--radius-lg);
    text-decoration: none;
    color: var(--color-text-primary);
    transition: all var(--transition-fast);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.scroll-card:hover {
    border-color: var(--color-accent-violet);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.scroll-card__category {
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-accent-cyan);
}

.scroll-card__title {
    font-family: var(--font-heading);
    font-size: var(--text-base);
    font-weight: 600;
    line-height: 1.3;
    margin: 0;
}

.scroll-card__summary {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    line-height: 1.5;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.scroll-card__image {
    font-size: 2rem;
    margin-bottom: var(--space-2);
}

.scroll-card__meta {
    display: flex;
    gap: var(--space-4);
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    margin-top: auto;
}

/* Guide variant - slightly larger */
.scroll-card--guide {
    min-height: 180px;
    background: linear-gradient(135deg, var(--color-bg-secondary), var(--color-bg-tertiary));
}

/* Category Card */
.category-card {
    display: block;
    padding: var(--space-5);
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-bg-elevated);
    border-radius: var(--radius-lg);
    text-decoration: none;
    color: var(--color-text-primary);
    transition: all var(--transition-fast);
}

.category-card:hover {
    border-color: var(--color-accent-violet);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.category-card__content {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.category-card__icon {
    font-size: 2rem;
}

.category-card__name {
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    font-weight: 600;
    margin: 0;
}

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

/* Section with background */
.section {
    margin-bottom: var(--space-8);
}

@media (max-width: 768px) {
    .scroll-card {
        width: 220px;
        min-height: 120px;
        padding: var(--space-4);
    }

    .scroll-card__title {
        font-size: var(--text-sm);
    }

    .scroll-section__header {
        padding: 0;
    }
}


/* ═══════════════════════════════════════════════════════
   🔮 PRISM DOCK 2.0 - Orbital Navigation System
   An innovative floating dock with holographic prism trigger
   that expands into an orbital menu with energy trails
   ═══════════════════════════════════════════════════════ */

/* Base Container - ALWAYS VISIBLE */
.prism-dock {
    display: block;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    pointer-events: none;
}

/* ═══════════════════════════════════════════════════════
   BARRA INFERIOR SÓLIDA - Dock Base Bar
   Un borde sólido con degradado que tapa el contenido
   ═══════════════════════════════════════════════════════ */
.prism-dock::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(to top,
            rgba(10, 10, 15, 1) 0%,
            rgba(10, 10, 15, 0.98) 50%,
            rgba(10, 10, 15, 0.8) 80%,
            transparent 100%);
    border-top: 1px solid rgba(124, 58, 237, 0.2);
    backdrop-filter: blur(10px);
    pointer-events: none;
    z-index: -1;
}

/* Borde superior con brillo degradado */
.prism-dock::after {
    content: '';
    position: absolute;
    bottom: 75px;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg,
            transparent 0%,
            rgba(124, 58, 237, 0.3) 20%,
            rgba(124, 58, 237, 0.6) 50%,
            rgba(124, 58, 237, 0.3) 80%,
            transparent 100%);
    pointer-events: none;
    z-index: 1;
}

/* Overlay backdrop when menu is open */
.prism-dock__overlay {
    position: fixed;
    inset: 0;
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s ease;
    pointer-events: none;
}

.prism-dock.open .prism-dock__overlay {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

/* The Floating Bar - Contains the Prism Trigger */
.prism-dock__bar {
    position: fixed;
    bottom: calc(var(--space-6) + env(safe-area-inset-bottom, 0px));
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
    background: rgba(18, 18, 26, 0.9);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid rgba(124, 58, 237, 0.3);
    border-radius: 50%;
    box-shadow:
        0 8px 32px rgba(0, 0, 0, 0.4),
        0 0 60px rgba(124, 58, 237, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
    pointer-events: auto;
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.prism-dock.open .prism-dock__bar {
    box-shadow:
        0 8px 32px rgba(0, 0, 0, 0.4),
        0 0 100px rgba(124, 58, 237, 0.4);
}

/* ─────────────────────────────────────────────────────────
   PRISM TRIGGER - The Holographic Diamond Button
   ───────────────────────────────────────────────────────── */
.prism-trigger {
    position: relative;
    width: 64px;
    height: 64px;
    background: transparent;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* The 3D Prism Shape */
.prism-trigger__shape {
    position: relative;
    width: 40px;
    height: 40px;
    transform-style: preserve-3d;
    animation: prismFloat 4s ease-in-out infinite;
    transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.prism-dock.open .prism-trigger__shape {
    animation: none;
    transform: rotateY(180deg) rotateZ(45deg) scale(1.1);
}

/* Prism diamond faces */
.prism-trigger__face {
    position: absolute;
    width: 100%;
    height: 100%;
    background: var(--gradient-prism);
    clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
    box-shadow: 0 0 20px rgba(124, 58, 237, 0.5);
}

.prism-trigger__face--front {
    transform: translateZ(10px);
}

.prism-trigger__face--back {
    transform: translateZ(-10px) rotateY(180deg);
    opacity: 0.7;
}

/* Glow effect around prism */
.prism-trigger__glow {
    position: absolute;
    inset: -20px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.6) 0%, transparent 70%);
    animation: prismGlow 2s ease-in-out infinite;
    pointer-events: none;
    filter: blur(10px);
}

.prism-dock.open .prism-trigger__glow {
    animation: none;
    opacity: 0.9;
    transform: scale(2);
    background: radial-gradient(circle, rgba(6, 182, 212, 0.6) 0%, transparent 70%);
}

/* Floating animation for the prism */
@keyframes prismFloat {

    0%,
    100% {
        transform: rotateY(0deg) translateY(0) rotateZ(0deg);
    }

    25% {
        transform: rotateY(90deg) translateY(-3px) rotateZ(5deg);
    }

    50% {
        transform: rotateY(180deg) translateY(-5px) rotateZ(0deg);
    }

    75% {
        transform: rotateY(270deg) translateY(-3px) rotateZ(-5deg);
    }
}

/* Glow pulsing animation */
@keyframes prismGlow {

    0%,
    100% {
        opacity: 0.3;
        transform: scale(1);
    }

    50% {
        opacity: 0.6;
        transform: scale(1.2);
    }
}

/* Pulse ring around the trigger */
.prism-trigger::before {
    content: '';
    position: absolute;
    inset: -8px;
    border: 2px solid transparent;
    border-radius: 50%;
    background: linear-gradient(var(--color-bg-primary), var(--color-bg-primary)) padding-box,
        var(--gradient-prism) border-box;
    animation: pulseRing 3s ease-out infinite;
}

@keyframes pulseRing {
    0% {
        transform: scale(1);
        opacity: 0.5;
    }

    50% {
        transform: scale(1.15);
        opacity: 0.2;
    }

    100% {
        transform: scale(1);
        opacity: 0.5;
    }
}

/* ─────────────────────────────────────────────────────────
   ORBITAL MENU - The Expanding Navigation
   ───────────────────────────────────────────────────────── */
.prism-dock__orbital {
    position: fixed;
    bottom: calc(120px + env(safe-area-inset-bottom, 0px));
    left: 50%;
    transform: translateX(-50%);
    pointer-events: none;
    z-index: 1001;
    visibility: hidden;
    opacity: 0;
    transition: visibility 0s 0.5s, opacity 0.3s ease;
}

.prism-dock.open .prism-dock__orbital {
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
    transition: visibility 0s, opacity 0.3s ease;
}

/* Individual orbital items */
.orbital__item {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    text-decoration: none;
    background: none;
    border: none;
    cursor: pointer;
    opacity: 0;
    transform: scale(0) translateY(30px);
    transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
    transition-delay: var(--delay, 0s);
}

.prism-dock.open .orbital__item {
    opacity: 1;
    transform: scale(1) translateY(0);
    pointer-events: auto;
}

/* Expert Note standardized */
.expert-note {
    background: rgba(139, 92, 246, 0.05);
    border: 1px dashed var(--color-accent-violet);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    margin-bottom: var(--space-8);
    position: relative;
    overflow: hidden;
}

.expert-note::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--gradient-prism);
}

.expert-note__title {
    display: block;
    font-weight: 800;
    font-family: var(--font-display);
    color: var(--color-accent-cyan);
    font-size: var(--text-sm);
    text-transform: uppercase;
    margin-bottom: var(--space-2);
}

.expert-note__content {
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin: 0;
}

/* Positioning orbital items in centered semicircle (7 items) */
/* Symmetry Audit: Item 4 is the pivot at 0% left / translateX(-50%) */
.orbital__item:nth-child(1) {
    --delay: 0.05s;
    left: -170px;
    bottom: 0;
}

.orbital__item:nth-child(2) {
    --delay: 0.08s;
    left: -125px;
    bottom: 50px;
}

.orbital__item:nth-child(3) {
    --delay: 0.11s;
    left: -65px;
    bottom: 90px;
}

.orbital__item:nth-child(4) {
    --delay: 0.14s;
    left: 0;
    bottom: 110px;
    transform: translateX(-50%) scale(0) translateY(30px);
}

.prism-dock.open .orbital__item:nth-child(4) {
    transform: translateX(-50%) scale(1) translateY(0);
}

.orbital__item:nth-child(5) {
    --delay: 0.17s;
    left: 65px;
    bottom: 90px;
}

.orbital__item:nth-child(6) {
    --delay: 0.20s;
    left: 125px;
    bottom: 50px;
}

.orbital__item:nth-child(7) {
    --delay: 0.23s;
    left: 170px;
    bottom: 0;
}

/* The icon bubble for each orbital item */
.orbital__icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    background: rgba(18, 18, 26, 0.95);
    border: 2px solid rgba(124, 58, 237, 0.3);
    border-radius: 50%;
    box-shadow:
        0 8px 24px rgba(0, 0, 0, 0.4),
        0 0 30px rgba(124, 58, 237, 0.1);
    transition: all 0.3s ease;
}

.orbital__item:hover .orbital__icon {
    transform: scale(1.15);
    border-color: var(--color-accent-cyan);
    box-shadow:
        0 8px 24px rgba(0, 0, 0, 0.4),
        0 0 40px rgba(6, 182, 212, 0.4);
}

.orbital__item:active .orbital__icon {
    transform: scale(0.95);
}

/* Labels under orbital icons */
.orbital__label {
    font-size: 10px;
    font-weight: 700;
    color: var(--color-text-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.8);
}

/* Energy trails connecting to center */
.orbital__trail {
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 2px;
    height: 0;
    background: linear-gradient(to top,
            var(--color-accent-violet) 0%,
            var(--color-accent-cyan) 50%,
            transparent 100%);
    transform-origin: bottom center;
    opacity: 0;
    transition: all 0.4s ease;
    z-index: -1;
}

.prism-dock.open .orbital__trail {
    opacity: 0.6;
}

/* Trail lengths based on position */
.orbital__item:nth-child(1) .orbital__trail {
    height: 60px;
    transform: translateX(-50%) rotate(30deg);
}

.orbital__item:nth-child(2) .orbital__trail {
    height: 80px;
    transform: translateX(-50%) rotate(15deg);
}

.orbital__item:nth-child(3) .orbital__trail {
    height: 90px;
    transform: translateX(-50%) rotate(5deg);
}

.orbital__item:nth-child(4) .orbital__trail {
    height: 90px;
    transform: translateX(-50%) rotate(-5deg);
}

.orbital__item:nth-child(5) .orbital__trail {
    height: 80px;
    transform: translateX(-50%) rotate(-15deg);
}

.orbital__item:nth-child(6) .orbital__trail {
    height: 60px;
    transform: translateX(-50%) rotate(-30deg);
}

/* ═══════════════════════════════════════════════════════
   🔍 SPOTLIGHT SEARCH - Discovery Hub & Search UI
   SaberComprar v8.3 - Level God Aesthetic
   ═══════════════════════════════════════════════════════ */

.search-modal {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: var(--space-4);
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.search-modal.active {
    opacity: 1;
    pointer-events: auto;
}

.search-modal__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.search-modal__container {
    position: relative;
    width: 100%;
    max-width: 680px;
    background: #0D0D12;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-2xl);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.8);
    overflow: hidden;
    transform: translateY(20px) scale(0.98);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    margin-top: 10vh;
}

.search-modal.active .search-modal__container {
    transform: translateY(0) scale(1);
}

.search-modal__header {
    padding: var(--space-4);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.search-modal__input-wrapper {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: var(--space-3) var(--space-4);
    transition: all 0.3s ease;
}

.search-modal__input-wrapper:focus-within {
    border-color: var(--color-accent-violet);
    background: rgba(255, 255, 255, 0.05);
    box-shadow: 0 0 20px rgba(124, 58, 237, 0.2);
}

.search-modal__input {
    flex: 1;
    background: none;
    border: none;
    color: white;
    font-size: var(--text-lg);
    font-family: inherit;
    outline: none;
}

.search-modal__input::placeholder {
    color: var(--color-text-muted);
}

.search-modal__kbd {
    font-size: 0.75rem;
    padding: 2px 6px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    color: var(--color-text-secondary);
}

.search-modal__discovery,
.search-modal__spotlight {
    padding: var(--space-4);
    max-height: 60vh;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 255, 255, 0.1) transparent;
}

.search-modal__items {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.search-modal__section {
    margin-bottom: var(--space-6);
}

.search-modal__section-title {
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
    margin-bottom: var(--space-4);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.search-modal__category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: var(--space-2);
}

.search-modal__category-btn {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    color: var(--color-text-primary);
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: left;
}

.search-modal__category-btn:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--cat-color, var(--color-accent-violet));
    transform: translateY(-2px);
}

.search-modal__category-icon {
    font-size: 1.2rem;
}

.search-modal__category-name {
    font-size: var(--text-sm);
    font-weight: 500;
}

.search-modal__item {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    text-decoration: none;
    color: white;
    margin-bottom: var(--space-2);
    transition: all 0.2s ease;
}

.search-modal__item:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: var(--color-accent-violet);
    transform: scale(1.01);
}

.search-modal__item-icon {
    font-size: 1.8rem;
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.03);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
}

.search-modal__item-content {
    flex: 1;
}

.search-modal__item-text {
    display: block;
    font-weight: 600;
    font-size: var(--text-base);
    margin-bottom: 2px;
}

.search-modal__item-tldr {
    display: block;
    font-size: var(--text-xs);
    color: var(--color-text-muted);
}

.search-modal__item-type {
    font-size: 0.65rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 2px 6px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 4px;
    color: var(--color-accent-cyan);
}

.search-modal__footer {
    padding: var(--space-3) var(--space-4);
    background: rgba(0, 0, 0, 0.3);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    gap: var(--space-4);
    font-size: 0.65rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.search-modal__refresh-btn {
    background: none;
    border: none;
    color: var(--color-accent-cyan);
    cursor: pointer;
    font-size: 1.2rem;
    transition: transform 0.3s ease;
}

.search-modal__refresh-btn:hover {
    transform: rotate(180deg);
}

@media (max-width: 768px) {
    .search-modal__category-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Legacy dock items - hidden in 2.0 */
.prism-dock__item {
    display: none;
}

/* ═══════════════════════════════════════════════════════
   🔔 TOAST NOTIFICATIONS - Feedback System
   ═══════════════════════════════════════════════════════ */

.toast {
    position: fixed;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: rgba(15, 15, 20, 0.9);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    padding: var(--space-3) var(--space-6);
    display: flex;
    align-items: center;
    gap: var(--space-3);
    z-index: 99999;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
    animation: toast-in 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    pointer-events: none;
}

.toast__icon {
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.toast__content {
    color: white;
    font-size: var(--text-sm);
    font-weight: 500;
    white-space: nowrap;
}

.toast--error {
    border-color: rgba(239, 68, 68, 0.3);
    background: rgba(30, 10, 10, 0.9);
}

.toast--warning {
    border-color: rgba(245, 158, 11, 0.3);
    background: rgba(30, 20, 10, 0.9);
}

.toast--info {
    border-color: rgba(6, 182, 212, 0.3);
    background: rgba(10, 25, 30, 0.9);
}

@keyframes toast-in {
    to {
        transform: translateX(-50%) translateY(0);
        opacity: 1;
    }
}

/* ═══════════════════════════════════════════════════════
   🗳️ VOTING MODAL - Interaction UI
   ═══════════════════════════════════════════════════════ */

.vote-modal__footer {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: var(--space-4);
}

.vote-modal__note {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    margin-bottom: var(--space-4);
    text-align: center;
    font-style: italic;
}

.vote-modal__actions {
    display: flex;
    gap: var(--space-3);
}

.vote-modal__btn {
    flex: 1;
    padding: var(--space-3);
    border-radius: var(--radius-lg);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: var(--text-sm);
    border: none;
    font-family: inherit;
}

.vote-modal__btn--skip {
    background: var(--color-bg-tertiary);
    color: var(--color-text-secondary);
    border: 1px solid var(--border-color);
}

.vote-modal__btn--skip:hover {
    background: var(--color-bg-primary);
    border-color: var(--color-text-muted);
}

.vote-modal__btn--submit {
    background: var(--color-accent-violet);
    color: white;
}

.vote-modal__btn--submit:hover {
    background: #6D28D9;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(124, 58, 237, 0.3);
}

/* === EXPERT BADGE REFINEMENT (v8.1) === */
.expert-badge--hero {
    text-decoration: none;
    display: inline-flex;
    transition: transform var(--transition-fast);
}

/* === ADMIN VISIBILITY SYSTEM === */
.admin-btn {
    display: none !important;
}

body.admin-mode .admin-btn {
    display: inline-flex !important;
}

.admin-panel {
    display: none !important;
}

body.admin-mode .admin-panel {
    display: block !important;
}

.expert-badge--hero:hover {
    transform: translateY(-2px);
}

/* ═══════════════════════════════════════════════════════
   CALCULATORS & TOOLS - Prism 2.0 Design
   Premium interactive components for utilities
   ═══════════════════════════════════════════════════════ */

.calculator {
    background: var(--color-bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    margin: var(--space-10) 0;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.calculator__title {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-8);
    font-size: var(--text-2xl);
}

.use-selector {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--space-4);
    margin-bottom: var(--space-8);
}

.use-card {
    background: var(--color-bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
}

.use-card:hover {
    border-color: var(--color-accent-violet);
    transform: translateY(-4px);
    background: var(--color-bg-elevated);
}

.use-card.selected {
    background: var(--gradient-prism-soft);
    border-color: var(--color-accent-violet);
    box-shadow: 0 0 20px rgba(124, 58, 237, 0.2);
}

.use-card__icon {
    font-size: 2.5rem;
}

.use-card__name {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-text-primary);
}

.intensity-section {
    margin-bottom: var(--space-8);
}

.intensity-section label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--space-4);
}

.intensity-buttons {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-3);
}

.intensity-btn {
    background: var(--color-bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-4);
    color: var(--color-text-secondary);
    font-family: inherit;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: center;
}

.intensity-btn:hover {
    border-color: var(--color-accent-cyan);
    color: var(--color-text-primary);
}

.intensity-btn.selected {
    background: var(--color-accent-cyan);
    color: var(--color-text-inverse);
    border-color: var(--color-accent-cyan);
    font-weight: 600;
}

.intensity-btn small {
    display: block;
    opacity: 0.8;
    font-weight: 400;
    font-size: 0.7rem;
}

.extras {
    background: rgba(255, 255, 255, 0.02);
    padding: var(--space-6);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-8);
}

.extras__title {
    font-weight: 600;
    margin-bottom: var(--space-4);
}

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

.extra-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    cursor: pointer;
    font-size: var(--text-sm);
}

.extra-item input[type="checkbox"] {
    width: 20px;
    height: 20px;
    accent-color: var(--color-accent-violet);
}

.calculate-btn {
    width: 100%;
    padding: var(--space-4);
    background: var(--gradient-prism);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-display);
    font-size: var(--text-lg);
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
}

.calculate-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(139, 92, 246, 0.5);
    filter: brightness(1.1);
}

/* Result Section */
.result {
    margin-top: var(--space-8);
    padding: var(--space-8);
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1), rgba(6, 182, 212, 0.1));
    border: 2px solid var(--color-accent-violet);
    border-radius: var(--radius-lg);
    text-align: center;
    animation: fadeIn 0.5s ease-out;
}

.result__label {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-2);
}

.result__value {
    font-family: var(--font-display);
    font-size: 4rem;
    font-weight: 800;
    line-height: 1;
    background: var(--gradient-prism);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.result__unit {
    font-size: var(--text-xl);
    font-weight: 700;
    margin-left: var(--space-2);
}

.result__recommendation {
    margin-top: var(--space-6);
    padding-top: var(--space-6);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.result__tiers {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
    margin-top: var(--space-6);
}

.tier {
    padding: var(--space-3);
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-md);
}

.tier--recommended {
    background: var(--gradient-prism-soft);
    border: 1px solid var(--color-accent-violet);
}

.tier__value {
    font-weight: 700;
    display: block;
}

.tier__label {
    font-size: 0.7rem;
    color: var(--color-text-muted);
}

/* Frigorías Calculator Specific */
.form-group {
    margin-bottom: var(--space-6);
}

.form-group label {
    display: block;
    margin-bottom: var(--space-3);
    font-weight: 600;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
}

select,
input[type="range"] {
    width: 100%;
}

.range-value {
    font-family: var(--font-display);
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--color-accent-cyan);
    min-width: 80px;
}

.results__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
    margin-top: var(--space-6);
}

.result-card {
    background: var(--color-bg-tertiary);
    padding: var(--space-6);
    border-radius: var(--radius-lg);
    text-align: center;
    border: 1px solid var(--border-color);
}

.result-card--primary {
    border-color: var(--color-accent-cyan);
    background: var(--gradient-prism-soft);
}

.result-card__value {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-text-primary);
}

.result-card__label {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    text-transform: uppercase;
}

@media (max-width: 768px) {

    .form-row,
    .results__grid {
        grid-template-columns: 1fr;
    }

    .intensity-buttons {
        grid-template-columns: 1fr;
    }

    .result__value {
        font-size: 3rem;
    }
}

/* ═══════════════════════════════════════════════════════
   UTILITIES & CALCULATORS SYSTEM
   ═══════════════════════════════════════════════════════ */

.calculator {
    background: var(--color-bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    margin: var(--space-10) auto;
    max-width: 900px;
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.calculator__title {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    margin-bottom: var(--space-8);
    display: flex;
    align-items: center;
    gap: var(--space-3);
    color: var(--color-text-primary);
}

.calculator__form {
    display: flex;
    flex-direction: column;
    gap: var(--space-8);
}

.comparator {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: var(--space-8);
    align-items: start;
}

@media (max-width: 900px) {
    .calculator {
        padding: var(--space-4);
        margin: var(--space-4);
    }

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

    .comparator__vs {
        padding: var(--space-4) 0;
        text-align: center;
        font-weight: 800;
        color: var(--color-accent-violet);
        position: relative;
    }

    .comparator__vs::before,
    .comparator__vs::after {
        content: '';
        position: absolute;
        top: 50%;
        width: 35%;
        height: 1px;
        background: var(--border-color);
    }

    .comparator__vs::before {
        left: 0;
    }

    .comparator__vs::after {
        right: 0;
    }
}

.comparator__panel {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

.comparator__panel h3 {
    font-size: var(--text-lg);
    margin: 0 0 var(--space-2) 0;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.form-group label {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-text-secondary);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.form-group input,
.form-group select {
    background: var(--color-bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-3) var(--space-4);
    color: var(--color-text-primary);
    font-family: var(--font-body);
    font-size: var(--text-base);
    transition: all var(--transition-fast);
    width: 100%;
    appearance: none;
    -webkit-appearance: none;
}

.form-group select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%2394A3B8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--space-3) center;
    background-size: 1.2rem;
    padding-right: var(--space-10);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-accent-violet);
    box-shadow: 0 0 0 4px rgba(124, 58, 237, 0.1);
    background: var(--color-bg-elevated);
}

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

.calculate-btn {
    background: var(--gradient-prism);
    color: white;
    border: none;
    border-radius: var(--radius-full);
    padding: var(--space-4) var(--space-8);
    font-weight: 700;
    font-size: var(--text-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    margin-top: var(--space-4);
}

.calculate-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(124, 58, 237, 0.3);
    filter: brightness(1.1);
}

.presets {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.presets__label {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    font-weight: 700;
}

.presets__grid {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.preset-btn {
    background: var(--color-bg-elevated);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: var(--space-1) var(--space-3);
    font-size: 11px;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.preset-btn:hover {
    background: var(--color-bg-tertiary);
    border-color: var(--color-accent-cyan);
    color: var(--color-accent-cyan);
}

.results {
    margin-top: var(--space-10);
    padding-top: var(--space-10);
    border-top: 1px solid var(--border-color);
    display: none;
}

.results.visible {
    display: block;
    animation: fadeIn 0.5s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.results__comparison {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--space-6);
    margin-bottom: var(--space-8);
}

@media (max-width: 600px) {
    .results__comparison {
        grid-template-columns: 1fr;
    }
}

.result-panel {
    background: var(--color-bg-elevated);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
    text-align: center;
    transition: all var(--transition-base);
}

.result-panel--winner {
    border-color: var(--color-success);
    background: rgba(16, 185, 129, 0.05);
    box-shadow: 0 0 30px rgba(16, 185, 129, 0.1);
}

.result-panel__ppi {
    font-family: var(--font-display);
    font-size: var(--text-4xl);
    line-height: 1;
    margin-bottom: var(--space-2);
    background: var(--gradient-prism);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    /* Compatibility fix */
}

.result-panel--winner .result-panel__ppi {
    background: linear-gradient(135deg, #10B981, #34D399);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    /* Compatibility fix */
}

.result-panel__label {
    font-size: var(--text-sm);
    font-weight: 800;
    color: var(--color-text-muted);
    text-transform: uppercase;
}

.result-panel__name {
    margin-top: var(--space-4);
    font-weight: 600;
    color: var(--color-text-primary);
}

.results__verdict {
    background: var(--gradient-prism-soft);
    border: 1px solid rgba(124, 58, 237, 0.2);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
}

.results__verdict h4 {
    margin-bottom: var(--space-2);
    color: var(--color-accent-cyan);
}

.results__verdict p {
    font-size: var(--text-base);
    line-height: 1.6;
}

/* ─────────────────────────────────────────────────────────
   CALCULATOR SUITE REFINEMENT (Prism 3.0)
   ───────────────────────────────────────────────────────── */

.calculator {
    background: var(--color-bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    margin: var(--space-10) 0;
    box-shadow: var(--shadow-lg);
}

.calculator__title {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-8);
    font-family: var(--font-display);
}

.calculator__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-8);
}

.calculator__panel {
    background: var(--color-bg-tertiary);
    padding: var(--space-6);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
}

.calculator__panel:hover {
    border-color: var(--color-accent-violet);
    background: rgba(139, 92, 246, 0.03);
}

.converter-box {
    background: var(--color-bg-tertiary);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    margin-bottom: var(--space-8);
}

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

.result-card {
    background: var(--color-bg-tertiary);
    padding: var(--space-6);
    border-radius: var(--radius-lg);
    text-align: center;
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
}

.result-card--active {
    border-color: var(--color-accent-violet);
    background: rgba(139, 92, 246, 0.05);
    transform: translateY(-4px);
}

.info-box {
    margin-top: var(--space-10);
    padding: var(--space-8);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.info-box h3 {
    color: var(--color-accent-cyan);
    margin-bottom: var(--space-4);
}

/* ─────────────────────────────────────────────────────────
   ADMIN PANEL REFINEMENT
   ───────────────────────────────────────────────────────── */
.admin-panel {
    border: 2px dashed var(--color-accent-violet);
    padding: var(--space-6);
    border-radius: var(--radius-lg);
    background: rgba(124, 58, 237, 0.05);
    margin: var(--space-8) 0;
}

.admin-btn {
    background: var(--color-bg-elevated);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-2) var(--space-4);
    color: var(--color-text-primary);
    font-size: var(--text-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.admin-btn:hover {
    background: var(--color-accent-violet);
    border-color: var(--color-accent-violet);
    color: white;
}