/* ==========================================
   1. VARIABLES Y CONFIGURACIÓN GLOBAL
========================================== */
:root {
    --bg-main: #f4f5f9;
    --white: #ffffff;
    --text-dark: #111111;
    --text-gray: #666666;
    --border-color: #eaeaea;

    /* Color Principal de Marca (Morado) */
    --brand-purple: #6a0dad;
    --brand-purple-hover: #580b94;
    --brand-purple-light: #f3e8ff;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Roboto, -apple-system, BlinkMacSystemFont, sans-serif;
}

body.app-body {
    background-color: var(--bg-main);
    color: var(--text-dark);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a {
    text-decoration: none;
    transition: all 0.2s ease;
}

/* ==========================================
   2. BARRA DE NAVEGACIÓN (NAVBAR)
========================================== */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--white);
    padding: 14px 48px;
    border-bottom: 1px solid var(--border-color);
    width: 100%;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.02);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-logo-icon {
    font-size: 28px;
}

.nav-logo-text {
    display: flex;
    flex-direction: column;
}

.nav-logo-text strong {
    display: block;
    font-size: 16px;
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1.2;
}

.nav-logo-text span {
    font-size: 11px;
    color: var(--text-gray);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
    margin: 0;
    padding: 0;
    align-items: center;
}

.nav-links a {
    color: #475569;
    font-size: 14px;
    font-weight: 500;
    position: relative;
    padding: 14px 0;
    display: inline-block;
}

.nav-links a:hover {
    color: var(--brand-purple);
}

.nav-links a.active {
    color: var(--brand-purple);
    font-weight: 600;
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: var(--brand-purple);
    border-radius: 2px 2px 0 0;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.btn-action-saved {
    display: flex;
    align-items: center;
    gap: 8px;
    background-color: var(--white);
    border: 1px solid var(--border-color);
    padding: 8px 14px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-dark);
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-action-saved:hover {
    border-color: var(--brand-purple);
    background-color: var(--brand-purple-light);
    color: var(--brand-purple);
}

.btn-icon {
    background: var(--white);
    border: 1px solid var(--border-color);
    font-size: 18px;
    color: var(--text-gray);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 10px;
    transition: all 0.2s ease;
}

.btn-icon:hover {
    border-color: var(--brand-purple);
    background-color: var(--brand-purple-light);
    transform: translateY(-1px);
}

/* ==========================================
   3. MENÚ DESPLEGABLE DE USUARIO (<details>)
========================================== */
.user-menu-container {
    position: relative;
    display: inline-block;
}

.user-menu-container summary::-webkit-details-marker {
    display: none;
}

.user-menu-btn {
    list-style: none;
    background: none;
    border: none;
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    padding: 2px;
}

.user-avatar-img {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--brand-purple);
    display: block;
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.user-menu-btn:hover .user-avatar-img {
    transform: scale(1.05);
    border-color: var(--brand-purple-hover);
}

.dropdown-arrow {
    font-size: 10px;
    color: var(--text-gray);
    transition: transform 0.2s ease;
}

.user-menu-container[open] .dropdown-arrow {
    transform: rotate(180deg);
}

.user-dropdown {
    position: absolute;
    right: 0;
    top: 48px;
    background-color: var(--white);
    min-width: 180px;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    z-index: 1000;
    padding: 6px 0;
    border: 1px solid var(--border-color);
}

.dropdown-item {
    display: block;
    padding: 10px 16px;
    color: var(--text-dark);
    font-size: 14px;
    font-weight: 500;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.dropdown-item:hover {
    background-color: var(--brand-purple-light);
    color: var(--brand-purple);
}

.dropdown-divider {
    height: 1px;
    background-color: var(--border-color);
    margin: 4px 0;
}

.logout-item {
    color: #dc2626;
    font-weight: 600;
}

.logout-item:hover {
    background-color: #ffeeef;
    color: #b91c1c;
}

/* ==========================================
   4. ESTRUCTURA Y CONTENIDO PRINCIPAL
========================================== */
.main-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 40px 20px 60px;
    flex: 1;
    width: 100%;
}

.portada {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    margin-bottom: 40px;
    background: var(--white);
    padding: 40px;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
}

.portada-content {
    max-width: 550px;
}

.portada-tag {
    display: inline-block;
    background-color: var(--brand-purple-light);
    color: var(--brand-purple);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 16px;
}

.portada-content h1 {
    font-size: 36px;
    font-weight: 800;
    line-height: 1.25;
    margin-bottom: 14px;
    color: var(--text-dark);
}

.portada-content h1 span {
    color: var(--brand-purple);
}

.portada-content p {
    font-size: 15px;
    color: var(--text-gray);
    line-height: 1.6;
    margin-bottom: 24px;
}

.search-box {
    display: flex;
    gap: 10px;
    margin-bottom: 24px;
}

.search-box input {
    flex: 1;
    padding: 12px 18px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    font-size: 14px;
    outline: none;
    background: #fafafa;
    transition: all 0.2s ease;
}

.search-box input:focus {
    background: var(--white);
    border-color: var(--brand-purple);
    box-shadow: 0 0 0 3px rgba(106, 13, 173, 0.1);
}

.search-box button {
    background-color: var(--brand-purple);
    color: white;
    border: none;
    padding: 0 20px;
    border-radius: 10px;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.search-box button:hover {
    background-color: var(--brand-purple-hover);
}

.portada-buttons {
    display: flex;
    gap: 12px;
}

.btn {
    padding: 12px 22px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    display: inline-block;
    text-align: center;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background-color: var(--brand-purple);
    color: white;
}

.btn-primary:hover {
    background-color: var(--brand-purple-hover);
}

.btn-secondary {
    background-color: #f1f5f9;
    color: var(--text-dark);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: #e2e8f0;
}

.portada-illustration img {
    max-width: 320px;
    width: 100%;
    height: auto;
    object-fit: contain;
}

/* ==========================================
   5. TARJETAS DE FUNCIONALIDADES
========================================== */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.feature-card {
    background: var(--white);
    padding: 28px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    display: flex;
    flex-direction: column;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
}

.feature-icon {
    font-size: 32px;
    margin-bottom: 16px;
}

.feature-card h2 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-dark);
}

.feature-card p {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.5;
    margin-bottom: 20px;
    flex-grow: 1;
}

.feature-card a {
    color: var(--brand-purple);
    font-size: 14px;
    font-weight: 600;
}

.feature-card a:hover {
    text-decoration: underline;
}

/* ==========================================
   6. BANNER INFORMATIVO Y FOOTER
========================================== */
.information {
    background: var(--white);
    border: 1px solid var(--border-color);
    padding: 24px 28px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    gap: 20px;
}

.information-icon {
    font-size: 32px;
}

.information h3 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--text-dark);
}

.information p {
    font-size: 14px;
    color: var(--text-gray);
}

.footer {
    background-color: var(--white);
    border-top: 1px solid var(--border-color);
    padding: 28px 20px;
    text-align: center;
    font-size: 13px;
    color: var(--text-gray);
    margin-top: auto;
}

.footer p + p {
    margin-top: 4px;
}

/* ==========================================
   7. ESTILOS DEL ASISTENTE DE IA FLOTANTE
========================================== */
#ai-assistant-wrapper {
    position: fixed;
    bottom: 25px;
    right: 25px;
    z-index: 999;
}

#ai-assistant-wrapper summary::-webkit-details-marker {
    display: none;
}

#ai-toggle-btn {
    background-color: var(--brand-purple);
    color: white;
    border: none;
    padding: 12px 20px;
    border-radius: 30px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 4px 14px rgba(106, 13, 173, 0.35);
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
    transition: all 0.3s ease;
}

#ai-toggle-btn:hover {
    background-color: var(--brand-purple-hover);
}

.ai-chat-box {
    position: absolute;
    bottom: 55px;
    right: 0;
    width: 340px;
    height: 420px;
    background: var(--white);
    border-radius: 16px;
    border: 1px solid var(--border-color);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.ai-chat-header {
    background-color: var(--brand-purple);
    color: white;
    padding: 14px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.ai-header-title {
    display: flex;
    align-items: center;
    gap: 10px;
}

.ai-header-title strong {
    display: block;
    font-size: 14px;
}

.ai-header-title span {
    font-size: 11px;
    opacity: 0.85;
}

.ai-chat-body {
    flex: 1;
    padding: 16px;
    overflow-y: auto;
    background: #f8fafc;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.ai-message {
    max-width: 82%;
    padding: 10px 14px;
    border-radius: 12px;
    font-size: 13px;
    line-height: 1.4;
}

.ai-message.bot {
    background: var(--white);
    color: #1e293b;
    border: 1px solid #e2e8f0;
    align-self: flex-start;
}

.ai-chat-footer {
    padding: 12px;
    background: var(--white);
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 8px;
}

.ai-chat-footer input {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    outline: none;
    font-size: 13px;
}

.ai-chat-footer input:focus {
    border-color: var(--brand-purple);
}

.ai-chat-footer button {
    background: var(--brand-purple);
    color: white;
    border: none;
    padding: 0 14px;
    border-radius: 8px;
    cursor: pointer;
}