/* ========================================================================= */
/* --- 1. RESET Y BASE (Variables de Tema) --- */
/* ========================================================================= */

:root {
  /* VARIABLES DE COLOR BASE (MODO OSCURO - DEFAULT) */
  --color-page-bg: #0f172a;
  --color-main-text: #e2e8f0;
  --color-secondary-text: #94a3b8;
  --color-card-bg: #1e293b;
  --color-card-bg-subtle: rgba(30, 41, 59, 0.7); 
  --color-border-subtle: rgba(51, 65, 85, 0.4); 
  --color-accent: #10b981;
  --color-accent-light: #6ee7b7;
  --color-dark: #0f172a;
  --color-red: #ef4444; 
}

/* Variables para el MODO DÍA (CLASE: .light-mode) */
.light-mode {
  --color-page-bg: #ffffff;
  --color-main-text: #1e293b;
  --color-secondary-text: #475569;
  --color-card-bg: #f8fafc;
  --color-card-bg-subtle: #ffffff;
  --color-border-subtle: #cbd5e1; 
  --color-accent: #10b981;     
  --color-accent-light: #0f766e;
  --color-dark: #f8fafc;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: var(--color-page-bg); 
  color: var(--color-main-text); 
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: var(--color-accent-light); 
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.page {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.main {
  flex-grow: 1;
  padding: 20px 0;
}

.main-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 16px;
}


/* ========================================================================= */
/* --- 2. HEADER Y FOOTER --- */
/* ========================================================================= */

.header {
  background-color: var(--color-card-bg); 
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.4); 
  padding: 12px 0;
  border-bottom: none; 
  position: relative; 
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* CONTENEDOR DEL BOTÓN DE TEMA (MODO NOCHE/DÍA) */
.theme-toggle-container {
    position: absolute;
    top: 12px; 
    right: 16px; 
    z-index: 100;
}
#theme-toggle {
    padding: 8px 12px !important;
    font-size: 14px;
    height: auto;
    width: auto !important;
    border-radius: 999px !important; 
    border-color: var(--color-border-subtle) !important;
    color: var(--color-accent-light) !important;
    background-color: var(--color-card-bg);
    cursor: pointer;
}
/* Fin Posicionamiento Tema */

.brand {
  display: flex;
  align-items: center;
  gap: 15px; 
}

.brand-link {
    text-decoration: none !important; 
    line-height: 0;
}

.brand-image {
    display: block;
    height: 44px; /* Altura fija para el logo PNG */
    width: auto;
}

.brand-text-title {
  font-size: 20px !important; 
  font-weight: 700 !important;
  color: var(--color-main-text) !important; 
  line-height: 1; 
}

.brand-text-subtitle {
  font-size: 13px; 
  color: var(--color-secondary-text); 
  letter-spacing: 0.05em; 
  text-transform: uppercase; 
}

/* NUEVA CLASE: Contenedor para múltiples botones en el header */
.header-buttons-wrapper {
  display: flex;
  align-items: center;
  gap: 10px; /* Espacio entre los botones */
}

/* ESTILOS CORREGIDOS PARA EL BOTÓN EN GENERAL */
.header-link {
  font-size: 14px;
  color: var(--color-accent-light); 
  font-weight: 600;
  padding: 8px 16px; 
  border: 1px solid var(--color-accent); 
  border-radius: 8px; 
  display: flex;
  align-items: center;
  gap: 8px; 
  transition: all 0.2s ease-in-out;
  background-color: transparent; 
  text-decoration: none;
  
  /* CORRECCIÓN DE ESTIRAMIENTO */
  flex-shrink: 0; 
  width: fit-content; 
  white-space: nowrap; 
}

.header-link:hover {
  background-color: rgba(16, 185, 129, 0.15); 
  color: var(--color-accent-light);
  text-decoration: none;
  box-shadow: 0 0 10px rgba(16, 185, 129, 0.3); 
}

/* --- NUEVOS ESTILOS: Botón principal Ir a InvestorMAP --- */
.primary-button {
  background-color: var(--color-accent); 
  color: var(--color-dark) !important; 
  border: 1px solid var(--color-accent); 
  font-weight: 700; 
  box-shadow: 0 4px 10px rgba(16, 185, 129, 0.4); 
  padding: 8px 18px; 
  text-decoration: none !important;
}

.primary-button:hover {
  background-color: var(--color-accent-light); 
  border-color: var(--color-accent-light);
  box-shadow: 0 6px 15px rgba(16, 185, 129, 0.6); 
  transform: translateY(-1px); 
}
/* ---------------------------------------------------- */


.footer {
  padding: 20px;
  text-align: center;
  font-size: 12px;
  color: var(--color-secondary-text); 
  border-top: 1px solid var(--color-border-subtle); 
  margin-top: 30px;
}

/* ========================================================================= */
/* --- 3. TIPOGRAFÍA Y ESTRUCTURA DEL ARTÍCULO --- */
/* ========================================================================= */

.article-kicker {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--color-accent); 
  margin-bottom: 6px;
  font-style: italic; 
}

.article-title {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 10px;
  line-height: 1.2;
  letter-spacing: -0.02em; 
}

.article-layout {
  max-width: 700px; 
  margin: 0 auto;
}

.article-meta {
  font-size: 13px;
  color: var(--color-secondary-text); 
  margin-top: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.dot {
  width: 4px;
  height: 4px;
  background: var(--color-secondary-text); 
  border-radius: 50%;
}

.article-cover {
  margin: 20px 0;
  border-radius: 14px;
  overflow: hidden;
}

.article-cover img {
  width: 100%;
  height: auto;
  display: block;
}

.article-body {
  font-size: 16px;
  line-height: 1.7;
  padding: 20px 0;
}

/* REGLA CRÍTICA: Ajustar todas las imágenes y elementos multimedia */
.article-body img,
.article-body iframe,
.article-body embed,
.article-body object {
    max-width: 100% !important; 
    height: auto;    
    display: block;  
}

/* Estilos de imagen específicos para el cuerpo del artículo */
.article-body img {
    border-radius: 10px; 
    margin: 8px auto; 
}

/* Regla para evitar desbordes de contenido complejo */
.article-body > * {
    max-width: 100%;
    overflow-x: auto; 
}

.article-body h2 {
  font-size: 24px;
  margin: 24px 0 10px;
  font-weight: 600;
  border-bottom: 1px solid var(--color-border-subtle); 
  padding-bottom: 4px;
}

.article-body h3 {
  font-size: 20px;
  margin: 20px 0 8px;
  font-weight: 600;
}

.article-body p {
  margin-bottom: 1em;
}

.article-body ul, .article-body ol {
  margin: 0 0 1em 20px;
}


/* ========================================================================= */
/* --- 4. GRID Y TARJETAS (index.php) --- */
/* ========================================================================= */

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
  margin-top: 30px;
}

.post-card {
  /* Mejora visual de la tarjeta */
  background-color: var(--color-card-bg-subtle); 
  border-radius: 16px; 
  border: 1px solid var(--color-border-subtle); 
  overflow: hidden;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3); 
  transition: all 0.3s ease-out; 
  display: flex;
  flex-direction: column;
}

.post-card:hover {
  transform: translateY(-8px); 
  box-shadow: 0 15px 30px rgba(16, 185, 129, 0.15); 
  border-color: var(--color-accent); 
}

.post-thumb {
  position: relative;
  width: 100%;
  padding-top: 56.25%; /* 16:9 Aspect Ratio */
  overflow: hidden;
  border-bottom: 1px solid var(--color-border-subtle); 
}

.post-thumb img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover; 
}

.post-thumb-label {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 4px 10px;
  background: var(--color-dark); 
  border-radius: 999px;
  font-size: 10px;
  font-weight: 600;
  color: var(--color-accent-light); 
  border: 1px solid var(--color-accent); 
  display: flex;
  align-items: center;
  gap: 4px;
}

.post-body {
  padding: 24px; 
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.post-meta {
  font-size: 11px;
  color: var(--color-secondary-text); 
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 8px;
}

.post-title {
  font-size: 18px;
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 10px;
}

.post-title a {
  color: var(--color-main-text); 
}

.post-title a:hover {
  color: var(--color-accent-light); 
  text-decoration: none;
}

.post-excerpt {
  font-size: 13px;
  color: var(--color-secondary-text); 
  margin-bottom: 15px;
  flex-grow: 1;
}

.post-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 10px;
}


/* ========================================================================= */
/* --- 5. COMPONENTES Y UTILIDADES --- */
/* ========================================================================= */

/* --- Estilos para el Menú de Categorías --- */
.category-link {
    display: inline-block;
    padding: 8px 16px; 
    border-radius: 999px;
    font-size: 14px; 
    color: var(--color-secondary-text); 
    background-color: var(--color-card-bg); 
    border: 1px solid var(--color-border-subtle); 
    transition: all 0.2s;
    text-decoration: none;
}

.category-link:hover {
    color: var(--color-main-text); 
    border-color: var(--color-accent); 
    background-color: rgba(16, 185, 129, 0.1); 
    text-decoration: none;
}

.category-link.active {
    color: var(--color-dark); 
    background-color: var(--color-accent); 
    border-color: var(--color-accent);
    font-weight: 700;
}
/* -------------------------------------- */


.badge {
  background: var(--color-accent); 
  color: var(--color-dark); 
  font-size: 10px;
  padding: 4px 10px;
  border-radius: 999px;
  font-weight: 600;
  white-space: nowrap;
}

.badge-small {
  border-radius: 999px;
  border: 1px solid var(--color-border-subtle); 
  padding: 2px 8px;
  font-size: 10px;
  color: var(--color-secondary-text); 
}

.btn-pill {
  padding: 6px 14px;
  border-radius: 999px;
  background-color: var(--color-accent); 
  color: var(--color-dark); 
  font-size: 12px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  border: none;
  cursor: pointer;
  transition: background-color 0.2s;
}

.btn-pill:hover {
  background-color: var(--color-accent-light); 
  text-decoration: none;
}

.btn-primary {
  padding: 10px 20px;
  border-radius: 12px;
  background-color: var(--color-accent); 
  color: var(--color-dark); 
  font-size: 16px;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: background-color 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-primary:hover {
  background-color: var(--color-accent-light); 
}

.flex-row { 
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

/* --- Estilo para el botón/enlace de edición "Autor" --- */
.edit-link {
    background-color: var(--color-card-bg); 
    color: var(--color-secondary-text); 
    font-size: 11px;
    padding: 6px 10px;
    border-radius: 999px; 
    border: 1px solid var(--color-border-subtle); 
    text-transform: uppercase;
    transition: background-color 0.2s, border-color 0.2s, color 0.2s;
    white-space: nowrap;
}

.edit-link:hover {
    background-color: rgba(148, 163, 184, 0.1);
    color: var(--color-main-text); 
    text-decoration: none;
}

/* Estilo para el botón de eliminar (usado en admin.php) */
.btn-delete {
  background-color: var(--color-red); 
  color: white;
  font-size: 14px;
  padding: 8px 16px;
  border-radius: 8px;
  border: 1px solid #fca5a5;
  cursor: pointer;
  transition: background-color 0.2s;
}
.btn-delete:hover {
  background-color: #dc2626;
}


/* ========================================================================= */
/* --- 6. FORMULARIOS Y ADMIN (Basado en admin.php) --- */
/* ========================================================================= */

.admin-layout {
  max-width: 900px;
  margin: 0 auto;
}

.admin-note {
  background: var(--color-card-bg); 
  border-left: 4px solid var(--color-accent); 
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--color-secondary-text); 
  margin-bottom: 20px;
}

.admin-note strong {
  color: var(--color-main-text); 
}

.form-row {
  margin-bottom: 18px;
}

.form-row label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-main-text); 
  margin-bottom: 6px;
}

.form-row input[type="text"],
.form-row input[type="date"],
.form-row textarea,
.form-row select { 
  width: 100%;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--color-border-subtle); 
  background: var(--color-card-bg); 
  color: var(--color-main-text); 
  font-size: 14px;
  transition: border-color 0.2s;
}

.form-row input:focus,
.form-row textarea:focus,
.form-row select:focus {
  outline: none;
  border-color: var(--color-accent); 
  box-shadow: 0 0 0 1px var(--color-accent);
}

/* Estilos del editor (copiados de admin.php) */
.editor-shell {
  border-radius: 14px;
  border: 1px solid var(--color-border-subtle); 
  background: var(--color-card-bg); 
  overflow: hidden;
}
.editor-area {
  min-height: 260px;
  max-height: 70vh;
  overflow-y: auto;
  padding: 10px 12px;
  font-size: 14px;
  line-height: 1.6;
}

/* --- Nuevos estilos para la gestión de categorías --- */
.category-management {
    background-color: var(--color-card-bg); 
    border: 1px solid var(--color-border-subtle); 
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 30px;
}
.category-management h2 {
    font-size: 22px;
    color: var(--color-main-text); 
    margin-top: 0;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--color-border-subtle); 
    padding-bottom: 10px;
}
.category-item {
    background-color: var(--color-page-bg); 
    border: 1px solid var(--color-border-subtle); 
    border-radius: 999px;
    padding: 8px 12px;
    color: var(--color-main-text); 
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Pequeño ajuste para el selector de categoría del post */
.form-row select#category {
    background-image: url('data:image/svg+xml;utf8,<svg fill="%23e2e8f0" height="24" viewBox="0 0 24 24" width="24" xmlns="http://www.w3.org/2000/svg"><path d="M7 10l5 5 5-5z"/></svg>');
    background-repeat: no-repeat;
    background-position: right 10px center;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    padding-right: 30px; /* Espacio para el icono */
}


/* ========================================================================= */
/* --- 8. BOTÓN DE CONTACTO FLOTANTE (FAB) --- */
/* ========================================================================= */

.contact-fab {
    position: fixed !important; /* CLAVE: Fija el botón en la ventana */
    bottom: 25px; 
    right: 20px; 
    z-index: 9999 !important; /* Asegura que esté por encima de todo */
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.fab-button {
    background-color: var(--color-accent);
    color: var(--color-dark);
    border: none;
    border-radius: 999px;
    padding: 15px 25px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.6);
    transition: background-color 0.2s, transform 0.2s;
    white-space: nowrap;
}

.fab-button:hover {
    background-color: var(--color-accent-light);
    transform: scale(1.05);
}

.fab-options {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 10px;
    margin-bottom: 10px;
    
    /* ESTADOS DE VISIBILIDAD Y ANIMACIÓN - CLAVE PARA OCULTAR */
    visibility: hidden; 
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s ease-out;
    pointer-events: none; /* Evita que las opciones no visibles se puedan clicar */
}

.fab-options.active {
    visibility: visible;
    opacity: 1; 
    transform: translateY(0);
    pointer-events: auto;
}

.fab-option-link {
    background-color: var(--color-card-bg);
    color: var(--color-main-text);
    border: 1px solid var(--color-accent);
    border-radius: 6px;
    padding: 10px 15px;
    font-size: 14px;
    text-decoration: none;
    transition: background-color 0.2s;
    width: auto; 
    min-width: 150px; 
    text-align: center;
}

.fab-option-link:hover {
    background-color: var(--color-accent);
    color: var(--color-dark);
    text-decoration: none;
}
/* ------------------------------------------------------------------------- */


/* ========================================================================= */
/* --- 9. RESPONSIVE DESIGN (Móviles y Tablets) --- */
/* ========================================================================= */

@media (max-width: 768px) {
    
    /* 1. Ajustar el Contenedor Principal del Header */
    .header-inner {
        flex-direction: column; 
        gap: 15px; 
    }
    
    /* 2. Ajustar el Bloque de Botones */
    .header-buttons-wrapper {
        flex-direction: column; 
        gap: 8px;
        width: 100%; 
        justify-content: center; 
        padding: 0 10px; 
    }
    
    /* 3. Ajustar el Bloque del Logo y Título */
    .brand {
        flex-direction: column; 
        gap: 5px;
        text-align: center;
        width: 100%;
        padding-right: 40px; 
    }

    .brand-text-title {
        font-size: 18px !important; 
    }
    
    .brand-text-subtitle {
        font-size: 12px;
        text-align: center;
    }

    /* 4. Asegurar que los botones de Enlace (Ir a InvestorMAP / Nuevo Artículo) se vean bien */
    .header-link {
        flex-grow: 1; 
        text-align: center;
        justify-content: center; 
        width: 100%; 
    }

    /* 5. Ajustar el tamaño del logo para que no sea excesivo en móvil */
    .brand-image {
        height: 36px;
    }
    
    /* 6. Ajustar la vista principal de artículos */
    .main-inner {
        padding: 0 10px;
    }
    
    /* 7. Centrar el menú de categorías */
    .flex-row {
        justify-content: center !important;
    }

    /* 8. Ajuste específico para la gestión de categorías en móvil */
    .category-input-group {
        flex-direction: column; 
    }
    .category-input-group button {
        width: 100%; 
    }
    .categories-list {
        flex-direction: column; 
    }
    .category-item {
        width: 100%; 
        justify-content: space-between; 
        padding: 10px 15px; 
    }
    
    /* 9. Ajuste móvil del FAB */
    .contact-fab {
        bottom: 15px;
        right: 15px;
    }
    .fab-button {
        padding: 12px 20px;
        font-size: 14px;
    }
}