/* Reusable Components */

/* ============================================
   HEADER & NAVIGATION
   ============================================ */

header {
    position: fixed;
    top: 0;
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    background: hsla(240, 20%, 8%, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    z-index: var(--z-header);
    animation: slideDown 0.6s ease-out;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }

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

nav {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    height: 40px;
    text-decoration: none;
}

.logo img {
    height: 100%;
    width: auto;
    object-fit: contain;
}

.logo-text {
    font-family: 'Outfit', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-light);
    letter-spacing: -0.5px;
}

/* ============================================
   DATA TABLES - MODULAR & RESPONSIVE
   
   REGLA DE IMPLEMENTACIÓN:
   Toda <table class="data-table"> DEBE estar envuelta en un <div class="table-container">.
   Esto asegura scroll horizontal en móviles y consistencia en el ancho (85%).
   ============================================ */

.table-container {
    width: 100%;
    max-width: var(--container-width-full);
    margin-left: auto;
    margin-right: auto;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    /* Habilita scroll nativo en iOS */
    border-radius: var(--radius-md);
    background: hsla(0, 0%, 100%, 0.02);
    margin-bottom: var(--spacing-lg);
    overscroll-behavior-x: contain;
    /* Evita que el scroll afecte al body */
}

/* Custom scrollbar for table containers */
.table-container::-webkit-scrollbar {
    height: 8px;
}

.table-container::-webkit-scrollbar-track {
    background: hsla(0, 0%, 100%, 0.02);
    border-radius: 4px;
}

.table-container::-webkit-scrollbar-thumb {
    background: var(--glass-border);
    border-radius: 4px;
}

.table-container::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

.data-table {
    width: 100% !important;
    max-width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
    table-layout: fixed;
}

/* Table Header */
.data-table thead {
    background: hsla(0, 0%, 100%, 0.04);
    border-bottom: 2px solid var(--glass-border);
}

.data-table th {
    padding: 1.25rem 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--text-light);
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.5px;
    position: relative;
    white-space: nowrap;
}

/* Table Body */
.data-table td {
    padding: 1.25rem 1rem;
    color: var(--text-muted);
    border-bottom: 1px solid var(--glass-border);
    vertical-align: middle;
    /* Responsive Text Wrapping */
    white-space: normal;
    word-wrap: break-word;
    word-break: break-word;
    overflow-wrap: break-word;
}

.data-table tr:hover {
    background: hsla(0, 0%, 100%, 0.02);
}

.data-table tr:last-child td {
    border-bottom: none;
}

/* Sortable Headers & Indicators */
.data-table th.sortable {
    cursor: pointer;
    user-select: none;
    transition: all var(--transition-normal);
    padding-right: 2.5rem;
}

.data-table th.sortable:hover {
    color: var(--accent-1);
    background: hsla(0, 0%, 100%, 0.06);
}

.sort-indicator {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
}

.sort-arrow {
    width: 14px;
    height: 14px;
    color: var(--text-muted);
    transition: all var(--transition-normal);
    opacity: 0.4;
}

.data-table th.sortable:hover .sort-arrow {
    opacity: 0.7;
    color: var(--accent-1);
}

.data-table th.sortable.sort-asc .sort-arrow {
    color: var(--accent-1);
    opacity: 1;
    transform: rotate(0deg);
}

.data-table th.sortable.sort-desc .sort-arrow {
    color: var(--accent-1);
    opacity: 1;
    transform: rotate(180deg);
}

/* Specific Responsive Adjustments for Tables */
@media (max-width: 1200px) {
    .data-table {
        font-size: 0.9rem;
    }

    .data-table th,
    .data-table td {
        padding: 1rem 0.75rem;
    }
}

@media (max-width: 992px) {
    .data-table {
        font-size: 0.85rem;
    }

    .data-table th {
        font-size: 0.75rem;
        padding: 0.875rem 0.75rem;
    }
}

@media (max-width: 768px) {
    .data-table {
        font-size: 0.8rem;
        min-width: 600px;
        table-layout: auto;
        /* Permite que las columnas se ajusten en móvil */
    }
}

/* Navigation Links */
.nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition-normal);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-1), var(--accent-2));
    transition: width var(--transition-normal);
}

.nav-links a:hover {
    color: var(--text-light);
}

.nav-links a:hover::after {
    width: 100%;
}

/* Back Link */
.back-link {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.back-link:hover {
    color: var(--accent-1);
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
    padding: 1rem 2.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1.1rem;
    text-decoration: none;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-family: 'Inter', sans-serif;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
    color: white;
    box-shadow: 0 10px 30px hsla(var(--primary-hue), 85%, 65%, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px hsla(var(--primary-hue), 85%, 65%, 0.5);
}

.btn-secondary {
    background: var(--glass-bg);
    color: var(--text-light);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: var(--glass-border);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px hsla(0, 0%, 100%, 0.1);
}

.btn-login,
.btn-register {
    width: 100%;
    padding: 1rem;
    background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
    border: none;
    border-radius: var(--radius-md);
    color: white;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    font-family: 'Inter', sans-serif;
}

.btn-login:hover,
.btn-register:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px hsla(var(--primary-hue), 85%, 65%, 0.4);
}

.btn-login:active,
.btn-register:active {
    transform: translateY(0);
}

.cta-login {
    background: var(--glass-bg);
    padding: 0.7rem 1.8rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--glass-border);
    color: var(--text-light);
    text-decoration: none;
    font-weight: 600;
    transition: all var(--transition-normal);
}

.cta-login:hover {
    background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
    border-color: transparent;
    transform: translateY(-2px);
    box-shadow: 0 10px 30px hsla(var(--primary-hue), 85%, 65%, 0.3);
}

/* ============================================
   FORMS
   ============================================ */

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--text-light);
    font-size: 0.95rem;
}

.form-input,
input[type="date"].form-input,
input[type="datetime-local"].form-input,
input[type="time"].form-input {
    width: 100%;
    padding: 0.9rem 1.2rem;
    background: hsla(0, 0%, 100%, 0.03);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--text-light);
    font-size: 1rem;
    font-family: 'Inter', sans-serif;
    transition: all var(--transition-normal);
}

/* Date/Time Picker Customization */
input[type="date"]::-webkit-calendar-picker-indicator,
input[type="datetime-local"]::-webkit-calendar-picker-indicator,
input[type="time"]::-webkit-calendar-picker-indicator {
    filter: invert(1);
    cursor: pointer;
    opacity: 0.6;
    transition: opacity var(--transition-normal);
}

input[type="date"]::-webkit-calendar-picker-indicator:hover,
input[type="datetime-local"]::-webkit-calendar-picker-indicator:hover,
input[type="time"]::-webkit-calendar-picker-indicator:hover {
    opacity: 1;
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-1);
    background: hsla(0, 0%, 100%, 0.05);
    box-shadow: 0 0 0 3px hsla(var(--primary-hue), 85%, 65%, 0.1);
}

.form-input::placeholder {
    color: var(--text-muted);
    opacity: 0.6;
}

/* Question Required Mark */
.required-mark {
    color: #ff4d4d;
    margin-right: 4px;
    font-weight: bold;
    display: inline-block;
}

/* Password Toggle Component */
.password-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.password-wrapper .form-input {
    padding-right: 3.5rem;
    /* Space for the toggle button */
}

.toggle-password {
    position: absolute;
    right: 0.8rem;
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-normal);
    border-radius: var(--radius-sm);
    z-index: 2;
}

.toggle-password:hover {
    color: var(--accent-1);
    background: hsla(0, 0%, 100%, 0.05);
}

.toggle-password svg {
    width: 20px;
    height: 20px;
    stroke: currentColor;
    fill: none;
}

/* Custom Select Styling */
.form-select {
    width: 100%;
    padding: 0.9rem 1.2rem;
    background: hsla(0, 0%, 100%, 0.03);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--text-light);
    font-size: 1rem;
    font-family: 'Inter', sans-serif;
    transition: all var(--transition-normal);
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    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='white' 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 1.2rem center;
    background-size: 1.2rem;
    padding-right: 3.5rem;
}

.form-select:hover {
    background-color: hsla(0, 0%, 100%, 0.05);
    border-color: hsla(var(--primary-hue), 85%, 65%, 0.5);
}

.form-select:focus {
    outline: none;
    border-color: var(--accent-1);
    background: hsla(0, 0%, 100%, 0.08);
    box-shadow: 0 0 0 3px hsla(var(--primary-hue), 85%, 65%, 0.15);
}

.form-select option {
    background-color: var(--bg-darker);
    color: var(--text-light);
    padding: 12px;
}

/* Specific adjustments for select width on desktop */
@media (min-width: 768px) {
    select.form-select.w-auto {
        width: auto;
        min-width: 200px;
    }
}

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

/* ============================================
   ALERTS
   ============================================ */

.alert {
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    font-size: 0.9rem;
    display: none;
}

.alert-error {
    background: hsla(0, 80%, 50%, 0.1);
    border: 1px solid hsla(0, 80%, 50%, 0.3);
    color: hsl(0, 80%, 70%);
}

.alert-success {
    background: hsla(120, 80%, 50%, 0.1);
    border: 1px solid hsla(120, 80%, 50%, 0.3);
    color: hsl(120, 80%, 70%);
}

/* ============================================
   FEATURE ITEMS
   ============================================ */

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    background: hsla(0, 0%, 100%, 0.02);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
}

.feature-item:hover {
    background: hsla(0, 0%, 100%, 0.05);
    transform: translateX(5px);
}

.feature-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.feature-text h4 {
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--text-light);
}

.feature-text p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ============================================
   DIVIDERS
   ============================================ */

.divider {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin: var(--spacing-lg) 0;
}

.divider::before,
.divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--glass-border);
}

.divider span {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

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

/* ============================================
   MODALS
   ============================================ */

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: var(--z-modal);
    animation: fadeIn 0.3s ease-out;
}

.modal-content {
    background: #0f0f13 !important;
    /* var(--bg-darker) fallback */
    border: 1px solid var(--glass-border);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    max-width: 500px;
    width: 90%;
    text-align: center;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    animation: slideUp 0.3s ease-out;
    position: relative;
}

.modal-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.modal-icon-wrapper {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, hsla(160, 84%, 39%, 0.2), hsla(160, 84%, 39%, 0.1));
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    border: 1px solid hsla(160, 84%, 39%, 0.2);
}

.modal-icon {
    width: 40px;
    height: 40px;
    color: #10b981;
    stroke: currentColor;
    stroke-width: 2;
    fill: none;
}

.modal-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-light);
    margin: 0;
}

.modal-score {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--accent-1);
    margin: 1rem 0;
}

.modal-message,
.modal-body p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.close-modal {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    transition: color 0.2s;
    line-height: 1;
}

.close-modal:hover {
    color: var(--text-light);
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        transform: translateY(20px);
        opacity: 0;
    }

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

/* ============================================
   TOGGLE SWITCH COMPONENT
   ============================================ */

.toggle-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: hsla(0, 0%, 100%, 0.02);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
}

.toggle-container:hover {
    background: hsla(0, 0%, 100%, 0.05);
    border-color: var(--accent-1);
}

.toggle-info {
    flex: 1;
}

.toggle-info .title {
    display: block;
    font-weight: 600;
    color: var(--text-light);
    font-size: 0.95rem;
}

.toggle-info .desc {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.toggle-switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
    flex-shrink: 0;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255, 255, 255, 0.1);
    transition: .4s;
    border-radius: 24px;
    border: 1px solid var(--glass-border);
}

.slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 2px;
    bottom: 2px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

input:checked+.slider {
    background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
    border-color: transparent;
}

input:focus+.slider {
    box-shadow: 0 0 1px var(--accent-1);
}

input:checked+.slider:before {
    transform: translateX(20px);
}

.toggle-switch input:disabled+.slider {
    opacity: 0.5;
    cursor: not-allowed;
    background-color: rgba(255, 255, 255, 0.05) !important;
}

.toggle-container.disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.question-description {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
    display: block;
    line-height: 1.4;
}

.options-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
    width: 100%;
}

.options-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-light);
}

.correct-legend {
    text-align: right;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent-1);
    padding-right: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    opacity: 0.9;
}

.help-icon {
    color: var(--text-muted);
    cursor: help;
    display: flex;
    align-items: center;
}

.help-icon:hover {
    color: var(--accent-1);
}

/* ============================================
   GLOBAL FORM ELEMENTS (PREMIUM STYLES)
   ============================================ */

input[type="checkbox"],
input[type="radio"] {
    appearance: none;
    -webkit-appearance: none;
    width: 1.25rem;
    height: 1.25rem;
    border: 1px solid var(--glass-border);
    border-radius: 4px;
    background-color: rgba(255, 255, 255, 0.05);
    cursor: pointer;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0;
    transition: all 0.2s;
}

input[type="radio"] {
    border-radius: 50%;
}

input[type="checkbox"]:checked,
input[type="radio"]:checked {
    background-color: var(--accent-1);
    border-color: var(--accent-1);
}

input[type="checkbox"]:checked::after {
    content: '\2714';
    font-size: 0.8rem;
    color: white;
    font-weight: bold;
}

input[type="radio"]:checked::after {
    content: '';
    width: 0.6rem;
    height: 0.6rem;
    background-color: white;
    border-radius: 50%;
}

input[type="checkbox"]:focus,
input[type="radio"]:focus {
    outline: none;
    box-shadow: 0 0 0 3px hsla(var(--primary-hue), 85%, 65%, 0.2);
}

/* ============================================
   COLLAPSIBLE SECTIONS
   
   REGLA DE IMPLEMENTACIÓN:
   Las secciones colapsables permiten organizarcontenido extenso en acordeones
   que pueden expandirse/contraerse. Diseñadas con Glassmorphism.
   
   USO:
   <div class="collapsible-section">
       <button class="section-header" data-section="nombre-seccion">
           <div class="header-content">
               <span class="section-icon">
                   <!-- SVG icon -->
               </span>
               <div class="header-text">
                   <h2 class="section-title">Título</h2>
                   <p class="section-subtitle">Subtítulo</p>
               </div>
           </div>
           <span class="collapse-arrow">
               <!-- SVG arrow -->
           </span>
       </button>
       <div class="section-content" id="nombre-seccion">
           <!-- Contenido -->
       </div>
   </div>
   ============================================ */

.collapsible-section {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.collapsible-section:hover {
    border-color: hsla(var(--primary-hue), 85%, 65%, 0.3);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.section-header {
    width: 100%;
    padding: var(--spacing-md);
    background: transparent;
    border: none;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-light);
    font-family: 'Inter', sans-serif;
    transition: all var(--transition-normal);
    text-align: left;
}

.section-header:hover {
    background: hsla(0, 0%, 100%, 0.03);
}

.section-header:active {
    background: hsla(0, 0%, 100%, 0.05);
}

.header-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex: 1;
}

.section-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, hsla(var(--primary-hue), 85%, 65%, 0.2), hsla(var(--secondary-hue), 80%, 60%, 0.2));
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    border: 1px solid hsla(var(--primary-hue), 85%, 65%, 0.3);
}

.section-icon svg {
    width: 20px;
    height: 20px;
    color: var(--accent-1);
}

.header-text {
    flex: 1;
}

.section-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0;
    color: var(--text-light);
    font-family: 'Outfit', sans-serif;
}

.section-subtitle {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin: 0.25rem 0 0;
}

.collapse-arrow {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-normal);
    flex-shrink: 0;
}

.collapse-arrow svg {
    width: 20px;
    height: 20px;
    color: var(--text-muted);
}

/* Estado abierto */
.section-header[aria-expanded="true"] .collapse-arrow {
    transform: rotate(180deg);
}

.section-header[aria-expanded="true"] .collapse-arrow svg {
    color: var(--accent-1);
}

.section-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1),
        padding 0.4s cubic-bezier(0.4, 0, 0.2, 1),
        opacity 0.3s ease;
    opacity: 0;
    padding: 0 var(--spacing-md);
}

.section-content.open {
    max-height: 2000px;
    /* Valor suficientemente grande */
    opacity: 1;
    padding: var(--spacing-md);
    padding-top: 0;
}

/* Responsive */
@media (max-width: 768px) {
    .section-header {
        padding: var(--spacing-sm);
    }

    .section-title {
        font-size: 1rem;
    }

    .section-subtitle {
        font-size: 0.8rem;
    }

    .section-icon {
        width: 36px;
        height: 36px;
    }

    .section-icon svg {
        width: 18px;
        height: 18px;
    }
}

/* ==========================================================
   RATING COMPONENT (STAR CALIFICATION)
   ========================================================== */

.rating-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) 0;
    width: 100%;
}

.rating-group {
    display: flex;
    flex-direction: row;
    /* Antes row-reverse, ahora row para alinearse con FormRenderer.js */
    justify-content: center;
    align-items: center;
    gap: 8px;
    flex-wrap: nowrap;
}

/* Contenedor individual de cada estrella (Touch Target) */
.rating-star {
    cursor: pointer;
    width: 48px;
    /* Standard Accessability Touch Target */
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    padding: 0;
    transition: transform var(--transition-fast);
    flex-shrink: 1;
}

.rating-star:active {
    transform: scale(0.85);
    /* Feedback táctil inmediato */
}

/* Estilo del SVG */
.rating-star svg {
    width: 32px;
    height: 32px;
    fill: var(--glass-border);
    /* Color base (estrellas vacías) */
    stroke: rgba(255, 255, 255, 0.4);
    stroke-width: 0.5px;
    transition: fill var(--transition-fast), filter var(--transition-fast), stroke var(--transition-fast);
    filter: grayscale(1);
    pointer-events: none;
    /* Evita interferencia con el botón contenedor */
}

/* Lógica de Iluminación en Cascada (CSS Pure) */
/* Al pasar el mouse sobre una estrella, ilumina esa y todas las de su derecha (que visualmente son las previas) */
.rating-group .rating-star.hover svg {
    fill: var(--accent-1);
    stroke: var(--accent-1);
    filter: grayscale(0) drop-shadow(0 0 8px hsla(var(--primary-hue), 85%, 65%, 0.5));
}

/* Clase para persistencia (será aplicada por JS en fases posteriores) */
.rating-group .rating-star.active svg {
    fill: var(--accent-1);
    stroke: var(--accent-1);
    filter: grayscale(0) drop-shadow(0 0 5px hsla(var(--primary-hue), 85%, 65%, 0.3));
}

/* Modo Lectura (Analítica): Desactivar interactividad */
.rating-group.read-only .rating-star {
    cursor: default;
    pointer-events: none;
    /* Desactiva hover y clics totalmente */
}

/* Leyenda de calificación */
.rating-value-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 500;
    min-height: 1.2rem;
    margin-top: var(--spacing-xs);
}

/* Responsive: Ajustes para móviles pequeños */
@media (max-width: 480px) {
    .rating-star {
        width: 44px;
        /* Mínimo estándar */
        height: 44px;
        min-width: 32px;
        /* Evita que colapsen demasiado */
    }

    .rating-star svg {
        width: clamp(24px, 7vw, 28px);
        height: clamp(24px, 7vw, 28px);
    }

    .rating-group {
        gap: clamp(2px, 1vw, 4px);
    }
}

/* ============================================
   SHARED UI STATES & COMPONENTS
   ============================================ */

/* Empty/Loading States */
.loading-state,
.empty-state,
.error-state {
    padding: 3rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    color: var(--text-muted);
    width: 100%;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--glass-border);
    border-top-color: var(--accent-1);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Form Type Badges */
.form-type-badge {
    display: inline-block;
    padding: 2px 8px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    border-radius: 4px;
    width: fit-content;
}

.form-type-badge.encuesta {
    background: hsla(260, 85%, 65%, 0.2);
    color: #a78bfa;
}

.form-type-badge.examen {
    background: hsla(320, 80%, 60%, 0.2);
    color: #f472b6;
}

/* Page Title Row (Standard Layout for headers with actions) */
.page-title-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    width: 100%;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-md);
}

@media (max-width: 768px) {
    .page-title-row {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-sm);
        margin-bottom: var(--spacing-lg);
    }

    .page-title-row>div,
    .header-actions {
        width: 100%;
        display: flex;
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .header-actions .btn {
        display: flex;
        width: 100%;
        justify-content: center;
        padding: 1rem;
        margin: 0;
    }
}

/* ============================================
   UPDATE NOTIFICATION BANNER
   ============================================ */

.update-notification {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: hsla(240, 20%, 10%, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    padding: 1rem 1.5rem;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    z-index: 10000;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    transition: transform 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.3s ease;
    opacity: 0;
    width: auto;
    max-width: 90vw;
}

.update-notification.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.update-text {
    color: var(--text-light);
    font-size: 0.95rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.update-icon {
    color: var(--accent-1);
    animation: pulse 2s infinite;
}

.btn-update {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
    color: white;
    border: none;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    transition: all var(--transition-fast);
}

.btn-update:hover {
    transform: scale(1.05);
    box-shadow: 0 5px 15px hsla(var(--primary-hue), 85%, 65%, 0.3);
}

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

    50% {
        transform: scale(1.1);
        opacity: 0.7;
    }

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

@media (max-width: 480px) {
    .update-notification {
        bottom: 1rem;
        padding: 0.75rem 1rem;
        flex-direction: column;
        text-align: center;
    }
}

/* ============================================
   SEGMENTS & HIERARCHY
   ============================================ */

.segment-item {
    background: hsla(240, 25%, 7%, 0.4);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    animation: fadeInSegment 0.5s ease-out;
}

.segment-item:hover {
    border-color: hsla(260, 100%, 70%, 0.2);
    box-shadow: 0 10px 40px -10px hsla(240, 30%, 0%, 0.5);
}

.segment-item.dragging {
    opacity: 0.5;
    transform: scale(0.98);
    border: 2px dashed var(--accent-1);
    pointer-events: none;
}

.question-item.dragging {
    opacity: 0.5;
    transform: scale(0.96);
    border: 2px dashed var(--secondary);
    pointer-events: none;
}

.segment-header {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid hsla(0, 0%, 100%, 0.05);
    margin-bottom: var(--spacing-lg);
}

.segment-drag-handle {
    cursor: grab;
    color: var(--text-muted);
    padding: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s ease;
}

.segment-drag-handle:hover {
    color: var(--accent-1);
}

.segment-drag-handle svg {
    width: 20px;
    height: 20px;
}

.segment-info-inputs {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.segment-title-input {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-light) !important;
    background: transparent !important;
    border: none !important;
    padding: 0.25rem 0 !important;
    width: 100%;
}

.segment-title-input:focus {
    box-shadow: none !important;
    outline: none !important;
}

.segment-desc-input {
    font-size: 0.9rem;
    color: var(--text-muted) !important;
    background: transparent !important;
    border: none !important;
    padding: 0 !important;
    resize: none;
    min-height: auto !important;
    width: 100%;
}

.segment-desc-input:focus {
    box-shadow: none !important;
    outline: none !important;
}

.questions-list {
    min-height: 50px;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    padding: var(--spacing-sm);
    background: hsla(0, 0%, 0%, 0.1);
    border-radius: var(--radius-md);
    border: 1px inset hsla(0, 0%, 100%, 0.03);
}

.questions-list:empty::after {
    content: "Arrastra preguntas aquí o añade una nueva";
    display: block;
    padding: var(--spacing-lg);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
    font-style: italic;
    border: 1px dashed var(--glass-border);
    border-radius: var(--radius-md);
}

.segment-footer {
    padding-top: var(--spacing-lg);
    display: flex;
    justify-content: center;
}

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

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

/* ============================================
   FORM RESPONDER - Estilos Compartidos (Survey Engine)
   ============================================ */

.form-response-wrapper {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    padding: var(--spacing-md);
}

@media (min-width: 768px) {
    .form-response-wrapper {
        padding: var(--spacing-xl);
    }
}

.form-response-container {
    max-width: 90%;
    width: 100%;
    margin: 0 auto;
    flex: 1;
}

@media (min-width: 768px) {
    .form-response-container {
        max-width: 85%;
    }
}

@media (min-width: 1024px) {
    .form-response-container {
        max-width: 800px;
    }
}

.form-header,
.form-renderer-header {
    text-align: center;
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(20px);
}

.company-name {
    font-family: 'Outfit', sans-serif;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--accent-1);
    margin-bottom: var(--spacing-xs);
    display: none;
    opacity: 0.9;
}

@media (min-width: 768px) {

    .form-header,
    .form-renderer-header {
        padding: var(--spacing-xl);
    }
}

.form-brand-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    width: 100%;
}

/* Media query removed to keep column layout always */

.form-logo {
    max-width: 90%;
    height: auto;
    object-fit: contain;
    display: none;
}

@media (max-width: 767px) {
    .form-logo {
        max-height: 15vh;
    }
}

@media (min-width: 768px) {
    .form-logo {
        max-height: 150px;
    }
}

.form-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

@media (min-width: 768px) {
    .form-title {
        font-size: 2rem;
    }
}

.form-description {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
}

@media (min-width: 768px) {
    .form-description {
        font-size: 1rem;
    }
}

.questions-list {
    margin-bottom: var(--spacing-xl);
}

.question-item {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    backdrop-filter: blur(20px);
    transition: all var(--transition-normal);
}

@media (min-width: 768px) {
    .question-item {
        padding: var(--spacing-xl);
    }
}

.question-item:hover {
    border-color: var(--accent-1);
    background: hsla(0, 0%, 100%, 0.08);
}

.question-header {
    margin-bottom: var(--spacing-md);
}

.question-number {
    color: var(--accent-1);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: none !important;
    padding: 0 !important;
    margin-bottom: 0.25rem !important;
    display: block;
}

.question-text {
    font-size: 1.1rem;
    font-weight: 600;
    margin-top: 2px;
    color: var(--text-light);
    line-height: 1.4;
}

@media (min-width: 768px) {
    .question-text {
        font-size: 1.25rem;
    }
}

.question-description {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-top: 0.5rem;
    line-height: 1.5;
}



.question-control input[type="text"],
.question-control input[type="date"],
.question-control input[type="datetime-local"],
.question-control textarea,
.question-control select {
    width: 100%;
    padding: 0.9rem 1.2rem;
    background: hsla(0, 0%, 100%, 0.03);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--text-light);
    font-size: 1rem;
    font-family: 'Inter', sans-serif;
    transition: all var(--transition-normal);
}

.question-control textarea {
    min-height: 120px;
    resize: vertical;
}

.question-control input:focus,
.question-control textarea:focus,
.question-control select:focus {
    outline: none;
    border-color: var(--accent-1);
    background: hsla(0, 0%, 100%, 0.05);
    box-shadow: 0 0 0 3px hsla(var(--primary-hue), 85%, 65%, 0.1);
}

.question-control input::placeholder,
.question-control textarea::placeholder {
    color: var(--text-muted);
    opacity: 0.6;
}

.radio-options {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.radio-option {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: hsla(0, 0%, 100%, 0.03);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    user-select: none;
}

.radio-option:hover {
    border-color: var(--accent-1);
    background: hsla(0, 0%, 100%, 0.05);
}

.radio-option:has(input:checked) {
    background: hsla(var(--primary-hue), 85%, 65%, 0.1);
    border-color: var(--accent-1);
}

.radio-option input {
    cursor: pointer;
}

.radio-option span {
    cursor: pointer;
    flex: 1;
}

.nav-controls,
.wizard-nav {
    display: flex;
    justify-content: space-between;
    margin-top: 2rem;
    gap: 1rem;
}

.step-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    align-items: center;
}

.step-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--glass-border);
    transition: all 0.3s ease;
}

.step-dot.active {
    background: var(--accent-1);
    transform: scale(1.2);
}

.wizard-progress,
.wizard-progress-container {
    margin-bottom: 2rem;
}

.progress-info {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

.progress-bar-bg {
    height: 6px;
    background: var(--glass-border);
    border-radius: 3px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-1), var(--accent-2));
    transition: width 0.4s ease;
}

.submit-container {
    margin-top: var(--spacing-xl);
    text-align: center;
}

.btn-submit {
    width: 100%;
    padding: 1rem 2.5rem;
    background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
    border: none;
    border-radius: var(--radius-md);
    color: white;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    font-family: 'Inter', sans-serif;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

@media (min-width: 768px) {
    .btn-submit {
        width: auto;
        min-width: 300px;
    }
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px hsla(var(--primary-hue), 85%, 65%, 0.4);
}

.result-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    padding: var(--spacing-md);
}

.result-modal.show {
    display: flex;
}

.loading {
    text-align: center;
    padding: var(--spacing-xl);
}

.loading-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--glass-border);
    border-top-color: var(--accent-1);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--spacing-md);
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.error-message {
    background: hsla(0, 80%, 50%, 0.1);
    border: 1px solid hsla(0, 80%, 50%, 0.3);
    color: hsl(0, 80%, 70%);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

/* ============================================
   LOADING OVERLAY COMPONENT
   ============================================ */

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.loading-overlay.active {
    display: flex !important;
    opacity: 1;
}

.loading-content {
    text-align: center;
    color: white;
}

.loading-spinner-container {
    width: 64px;
    height: 64px;
    margin: 0 auto 1.5rem;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.loading-spinner-container img {
    width: 100%;
    height: 100%;
    animation: loading-pulse 2s infinite ease-in-out;
}

@keyframes loading-pulse {
    0%, 100% { transform: scale(1); opacity: 0.8; }
    50% { transform: scale(1.1); opacity: 1; }
}

.loading-message {
    font-family: 'Outfit', sans-serif;
    font-size: 1.25rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    margin: 0;
}