/**
 * Cervantes Design System - Estudiantes Page Styles
 * Neumorphic design for student portal
 */

/* CSS Variables específicas para estudiantes */
:root {
    /* Neumorphism 2.0 Color System */
    --primary: #4C63B6;
    --primary-dark: #3B4F8C;
    --primary-light: #6B7FD1;
    --secondary: #8B5A3C;
    --accent: #F39C12;
    --success: #27AE60;
    --warning: #F39C12;
    --error: #E74C3C;

    /* Background System */
    --bg-primary: #F0F4F8;
    --bg-secondary: #E5EDF5;
    --bg-surface: #FFFFFF;
    --bg-input: #F8FAFC;

    /* Shadow System */
    --shadow-color: rgba(76, 99, 182, 0.15);
    --shadow-dark: rgba(45, 55, 72, 0.1);
    --shadow-light: rgba(255, 255, 255, 0.9);

    --shadow-inset: inset 6px 6px 12px var(--shadow-dark), inset -6px -6px 12px var(--shadow-light);
    --shadow-outset: 6px 6px 12px var(--shadow-dark), -6px -6px 12px var(--shadow-light);
    --shadow-outset-hover: 8px 8px 16px var(--shadow-dark), -8px -8px 16px var(--shadow-light);
    --shadow-pressed: inset 4px 4px 8px var(--shadow-dark), inset -4px -4px 8px var(--shadow-light);

    /* Border Radius System */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

/* Body styling */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

.container:has(#chatSection.active) {
    padding-bottom: 0;
}

.container:has(#chatSection.active) .footer {
    margin-top: 0;
    padding-top: 0.5rem;
}

/* Header */
.header {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--text-inverse);
    padding: 2rem;
    margin-bottom: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-outset);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(255,255,255,0.1) 0%, transparent 50%);
    pointer-events: none;
}

.header h1 {
    font-family: 'Inter', serif;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    position: relative;
    z-index: 1;
}

.header p {
    opacity: 0.9;
    font-size: 1.1rem;
    font-weight: 400;
    position: relative;
    z-index: 1;
}

/* Login Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(45, 55, 72, 0.8);
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(5px);
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--bg-surface);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    max-width: 450px;
    width: 90%;
    text-align: center;
    box-shadow: var(--shadow-outset);
    position: relative;
}

.modal-content h2 {
    color: var(--primary);
    margin-bottom: 1.5rem;
    font-weight: 600;
    font-size: 1.5rem;
}

/* Content Sections */
.content-section {
    display: none;
    animation: fadeIn 0.5s ease;
}

.content-section.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Classes Grid */
.classes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.class-card {
    background: var(--bg-surface);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-outset);
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.class-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.class-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-outset-hover);
}

.class-card:hover::before {
    transform: scaleX(1);
}

.class-card h3 {
    color: var(--primary);
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 1rem;
    line-height: 1.3;
}

.class-card p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
    line-height: 1.5;
}

.class-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
    padding-top: 1rem;
    border-top: 1px solid var(--bg-secondary);
}

.class-meta span {
    font-size: 0.85rem;
    color: var(--text-muted);
    background: var(--bg-input);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-inset);
}

.has-quiz {
    background: var(--accent) !important;
    color: var(--text-inverse) !important;
    box-shadow: var(--shadow-outset) !important;
}

/* Search Section */
.search-section {
    background: var(--bg-surface);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-outset);
    margin-bottom: 2rem;
}

.search-container {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.search-input {
    flex: 1;
    padding: 1rem;
    border: none;
    border-radius: var(--radius-md);
    background: var(--bg-input);
    box-shadow: var(--shadow-inset);
    font-size: 1rem;
    color: var(--text-primary);
}

.search-input:focus {
    outline: none;
    box-shadow: var(--shadow-inset), 0 0 0 2px rgba(76, 99, 182, 0.2);
}

/* Action Cards */
.class-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.action-card {
    background: var(--bg-surface);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
    box-shadow: var(--shadow-outset);
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.action-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.action-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-outset-hover);
}

.action-card:hover::before {
    transform: scaleX(1);
}

.action-card.manual::before {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
}

.action-card.quiz::before {
    background: linear-gradient(135deg, var(--accent), #E67E22);
}

.action-card.chat::before {
    background: linear-gradient(135deg, var(--success), #2ECC71);
}

.action-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

.action-card h3 {
    color: var(--primary);
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.action-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Breadcrumb */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 2rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.breadcrumb a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

/* Loading States */
.loading {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 3rem;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--bg-secondary);
    border-top: 4px solid var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Messages */
.error-message {
    background: linear-gradient(135deg, var(--error), #C0392B);
    color: var(--text-inverse);
    padding: 1rem;
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    text-align: center;
    box-shadow: var(--shadow-outset);
}

.success-message {
    background: linear-gradient(135deg, var(--success), #2ECC71);
    color: var(--text-inverse);
    padding: 1rem;
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    text-align: center;
    box-shadow: var(--shadow-outset);
}

/* Content Area */
.content-area {
    background: var(--bg-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-outset);
    padding: 2rem;
    margin-bottom: 2rem;
}

#chatSection .content-area {
    margin-bottom: 0;
}

.content-header {
    border-bottom: 1px solid var(--bg-secondary);
    padding-bottom: 1.5rem;
    margin-bottom: 2rem;
}

.content-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.content-subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Chat Interface */
/* Estructura del chat con input fijo */
#chatSection .content-area {
    display: flex;
    flex-direction: column;
    height: calc(100vh - 50px);
    min-height: 600px;
    max-height: none;
}

#chatSection .content-header {
    flex-shrink: 0;
}

.chat-container {
    flex: 1;
    overflow-y: auto;
    background: var(--bg-input);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-inset);
    padding: 1rem;
    margin-bottom: 0;
    min-height: 300px;
}

.chat-container::-webkit-scrollbar {
    width: 8px;
}

.chat-container::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
}

.chat-container::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: var(--radius-sm);
}

.message {
    margin-bottom: 1rem;
    padding: 1rem;
    border-radius: var(--radius-md);
    max-width: 80%;
    word-wrap: break-word;
}

.message.user {
    background: var(--primary);
    color: var(--text-inverse);
    margin-left: auto;
    box-shadow: var(--shadow-outset);
}

.message.assistant {
    background: var(--bg-surface);
    color: var(--text-primary);
    margin-right: auto;
    box-shadow: var(--shadow-outset);
}

/* Estilos para contenido markdown en mensajes del chat */
.message ul,
.message ol {
    margin: 0.5rem 0;
    padding-left: 1.5rem;
    list-style-position: outside;
}

.message li {
    margin: 0.25rem 0;
    padding-left: 0.25rem;
}

.message p {
    margin: 0.5rem 0;
}

.message p:first-child {
    margin-top: 0;
}

.message p:last-child {
    margin-bottom: 0;
}

.message code {
    background: var(--bg-input);
    padding: 0.125rem 0.25rem;
    border-radius: 3px;
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
}

.message pre {
    background: var(--bg-input);
    padding: 0.75rem;
    border-radius: var(--radius-sm);
    overflow-x: auto;
    margin: 0.5rem 0;
}

.message pre code {
    background: none;
    padding: 0;
}

/* Animación de typing indicator (tres puntos) */
.message.typing {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.typing-indicator {
    display: flex;
    gap: 0.25rem;
    align-items: center;
}

.typing-indicator span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--primary);
    animation: typing-bounce 1.4s infinite ease-in-out;
    opacity: 0.6;
}

.typing-indicator span:nth-child(1) {
    animation-delay: 0s;
}

.typing-indicator span:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-indicator span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typing-bounce {
    0%, 60%, 100% {
        transform: translateY(0);
        opacity: 0.6;
    }
    30% {
        transform: translateY(-10px);
        opacity: 1;
    }
}

.chat-input-container {
    display: flex;
    gap: 1rem;
    align-items: flex-end;
    flex-shrink: 0;
    position: sticky;
    bottom: 0;
    background: var(--bg-surface);
    padding: 1rem 0 0 0;
    margin-top: 1rem;
    z-index: 10;
}

.chat-input {
    flex: 1;
    padding: 1rem;
    border: none;
    border-radius: var(--radius-md);
    background: var(--bg-input);
    box-shadow: var(--shadow-inset);
    color: var(--text-primary);
    font-size: 1rem;
    resize: none;
    min-height: 50px;
    max-height: 120px;
}

.chat-input:focus {
    outline: none;
    box-shadow: var(--shadow-inset), 0 0 0 2px rgba(76, 99, 182, 0.2);
}

/* Quiz Styles */
.quiz-form {
    background: var(--bg-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-outset);
    padding: 2rem;
    margin-bottom: 2rem;
}

.question {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--bg-input);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-inset);
}

.question h4 {
    color: var(--primary);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.question-options {
    display: grid;
    gap: 0.75rem;
}

.option-label {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background: var(--bg-surface);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-outset);
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}

.option-label:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-outset-hover);
}

.option-label input[type="radio"] {
    margin: 0;
    transform: scale(1.2);
}

/* Student Info */
.student-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--bg-input);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-inset);
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }

    .container:has(#chatSection.active) {
        padding-bottom: 0;
    }

    .header h1 {
        font-size: 2rem;
    }

    .classes-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .class-actions {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .search-container {
        flex-direction: column;
        align-items: stretch;
    }

    .student-info {
        grid-template-columns: 1fr;
    }

    .chat-input-container {
        flex-direction: column;
        align-items: stretch;
    }

    #chatSection .content-area {
        height: calc(100vh - 70px);
        min-height: 500px;
    }
}

@media (max-width: 480px) {
    .header {
        padding: 1.5rem;
    }

    .header h1 {
        font-size: 1.5rem;
    }

    .class-card,
    .action-card,
    .content-area {
        padding: 1.5rem;
    }

    .modal-content {
        padding: 1.5rem;
        margin: 1rem;
    }

    #chatSection .content-area {
        height: calc(100vh - 60px);
        min-height: 400px;
    }

    .chat-container {
        min-height: 200px;
    }

    .container:has(#chatSection.active) {
        padding-bottom: 0;
    }
}

/* ========== XML CONTENT RENDERER ========== */
/* Estilos para contenido XML personalizado */

#manualContent {
    /* Sin background ni shadow adicional para evitar triple encuadre */
    padding: 0;
    max-width: 100%;
    margin: 0;
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-primary);
}

/* Título principal */
#manualContent titulo {
    display: block;
    font-family: 'Inter', sans-serif;
    font-size: clamp(2.5rem, 4vw, 3.5rem);
    font-weight: 700;
    color: var(--primary);
    text-align: center;
    margin-bottom: 2.5rem;
    letter-spacing: -0.025em;
    position: relative;
}

#manualContent titulo::after {
    content: '';
    position: absolute;
    bottom: -1rem;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    border-radius: 2px;
}

/* Índice */
#manualContent indice {
    display: block;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    margin: 2rem 0;
    box-shadow: var(--shadow-inset);
}

#manualContent indice::before {
    content: "Índice";
    display: block;
    font-weight: 600;
    font-size: 1.25rem;
    color: var(--primary);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--primary-light);
}

/* Items del índice - RESET COMPLETO */
#manualContent item {
    display: block !important;
    margin: 0 !important;
    padding: 6px 0 !important;
    line-height: 1.3 !important;
    cursor: pointer;
    transition: color 0.2s ease;
    color: var(--text-secondary);
    font-size: 14px;
    clear: both;
    overflow: hidden;
}

#manualContent item:hover {
    color: var(--primary);
}

/* Eliminar todos los ::before y usar contenido directo */
#manualContent item::before {
    content: none !important;
}

#manualContent item::after {
    content: none !important;
}

/* Nivel 1 - Sin indentación */
#manualContent item[nivel="1"] {
    font-weight: 600 !important;
    color: var(--primary) !important;
    font-size: 15px !important;
    margin-top: 12px !important;
    margin-bottom: 6px !important;
    padding-left: 0 !important;
    text-indent: 0 !important;
}

/* Nivel 2 - Con indentación fija */
#manualContent item[nivel="2"] {
    font-weight: 400 !important;
    color: var(--text-secondary) !important;
    font-size: 14px !important;
    padding-left: 20px !important;
    text-indent: 0 !important;
    margin-left: 0 !important;
}

/* Subtítulos */
#manualContent subtitulo {
    display: block;
    font-weight: 600;
    font-size: 1.75rem;
    color: var(--primary);
    margin: 2.5rem 0 1.5rem 0;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--primary-light);
}

#manualContent subtitulo_menor {
    display: block;
    font-weight: 600;
    font-size: 1.25rem;
    color: var(--secondary);
    margin: 2rem 0 1rem 0;
}

/* Párrafos */
#manualContent parrafo {
    display: block;
    margin: 1.25rem 0;
    text-align: justify;
    color: var(--text-primary);
}

/* Texto resaltado */
#manualContent texto_resaltado {
    display: block;
    background: linear-gradient(135deg, var(--warning), #F8C471);
    color: #ffffff;
    padding: 1.25rem;
    margin: 1.5rem 0;
    border-radius: var(--radius-md);
    font-weight: 500;
    box-shadow: var(--shadow-outset);
    border-left: 4px solid var(--accent);
}

#manualContent texto_resaltado::before {
    content: "💡";
    margin-right: 0.75rem;
    font-size: 1.25rem;
}

/* Listas */
#manualContent lista {
    display: block;
    margin: 1.5rem 0;
    background: var(--bg-input);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    box-shadow: var(--shadow-inset);
}

#manualContent lista item {
    display: list-item;
    list-style: none;
    margin: 0.75rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-primary);
    font-size: 1.05rem;
}

#manualContent lista item::before {
    content: "▸";
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: bold;
}

/* Responsive design */
@media (max-width: 768px) {
    #manualContent {
        padding: 1.5rem;
        font-size: 1rem;
    }

    #manualContent titulo {
        font-size: 2rem;
        margin-bottom: 1.5rem;
    }

    #manualContent subtitulo {
        font-size: 1.5rem;
        margin: 2rem 0 1rem 0;
    }

    #manualContent indice {
        padding: 1rem;
    }
}

/* === ESTILOS PARA DOCUMENTOS EN #document-content Y .document-content === */
/* Duplicado quirúrgico de estilos #manualContent para #document-content */

/* FIX: document-card hereda overflow:hidden de .card, necesitamos permitir overflow para índices largos */
.document-card {
    overflow: visible !important;
}

.document-content {
    overflow: visible !important;
}

/* Título principal */
#document-content titulo,
.document-content titulo {
    display: block;
    font-family: 'Inter', sans-serif;
    font-size: clamp(2.5rem, 4vw, 3.5rem);
    font-weight: 700;
    color: var(--primary);
    text-align: center;
    margin-bottom: 2.5rem;
    letter-spacing: -0.025em;
    position: relative;
}

#document-content titulo::after,
.document-content titulo::after {
    content: '';
    position: absolute;
    bottom: -1rem;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    border-radius: 2px;
}

/* Índice */
#document-content indice,
.document-content indice {
    display: block;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    margin: 2rem 0;
    box-shadow: var(--shadow-inset);
}

#document-content indice::before,
.document-content indice::before {
    content: "Índice";
    display: block;
    font-weight: 600;
    font-size: 1.25rem;
    color: var(--primary);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--primary-light);
}

/* Items del índice */
#document-content item,
.document-content item {
    display: block !important;
    margin: 0 !important;
    padding: 6px 0 !important;
    line-height: 1.3 !important;
    cursor: pointer;
    transition: color 0.2s ease;
    color: var(--text-secondary);
    font-size: 14px;
    clear: both;
    overflow: hidden;
}

#document-content item:hover,
.document-content item:hover {
    color: var(--primary);
}

#document-content item::before,
.document-content item::before {
    content: none !important;
}

#document-content item::after,
.document-content item::after {
    content: none !important;
}

/* Nivel 1 - Sin indentación */
#document-content item[nivel="1"],
.document-content item[nivel="1"] {
    font-weight: 600 !important;
    color: var(--primary) !important;
    font-size: 15px !important;
    margin-top: 12px !important;
    margin-bottom: 6px !important;
    padding-left: 0 !important;
    text-indent: 0 !important;
}

/* Nivel 2 - Con indentación fija */
#document-content item[nivel="2"],
.document-content item[nivel="2"] {
    font-weight: 400 !important;
    color: var(--text-secondary) !important;
    font-size: 14px !important;
    padding-left: 20px !important;
    text-indent: 0 !important;
    margin-left: 0 !important;
}

/* Subtítulos */
#document-content subtitulo {
    display: block;
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    font-weight: 600;
    color: var(--primary);
    margin: 2rem 0 1rem 0;
    line-height: 1.2;
}

#document-content subtitulo_menor {
    display: block;
    font-size: clamp(1.25rem, 2.5vw, 1.5rem);
    font-weight: 500;
    color: var(--text-primary);
    margin: 1.5rem 0 0.75rem 0;
    line-height: 1.3;
}

/* Responsive para #document-content */
@media (max-width: 768px) {
    #document-content titulo {
        font-size: 2rem;
    }

    #document-content subtitulo {
        font-size: 1.5rem;
    }

    #document-content indice {
        padding: 1rem;
    }
}

/* ========== MODAL DE RESULTADOS DE QUIZ ========== */
.quiz-results-content {
    max-width: 450px !important;
    padding: 0 !important;
    overflow: hidden;
}

.quiz-results-header {
    background: var(--bg-surface);
    padding: 1.5rem;
    text-align: center;
    position: relative;
    border-bottom: 1px solid var(--bg-secondary);
}

.modal-close-btn {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.2s ease;
    z-index: 10;
}

.modal-close-btn:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.quiz-results-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: transparent;
    pointer-events: none;
}

.quiz-results-title {
    color: var(--primary);
    margin: 0;
    font-size: 1.4rem;
    font-weight: 700;
    position: relative;
    z-index: 2;
}

.quiz-results-body {
    padding: 1.5rem 1.5rem;
    background: var(--bg-surface);
}

.quiz-score-main {
    display: flex;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.score-circle {
    width: 130px;
    height: 130px;
    border-radius: 50%;
    background: var(--bg-primary);
    box-shadow: var(--shadow-outset);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.score-circle::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    padding: 6px;
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0.6;
}

.score-percentage {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 0.3rem;
    position: relative;
    z-index: 1;
}

.score-label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
    z-index: 1;
}

.quiz-results-details {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}

.result-detail-item {
    background: var(--bg-input);
    border-radius: var(--radius-md);
    padding: 0.875rem;
    box-shadow: var(--shadow-inset);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: all 0.3s ease;
}

.result-detail-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-outset);
}

.detail-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
    box-shadow: var(--shadow-outset);
}

.detail-icon.success {
    background: linear-gradient(135deg, var(--success), #2ECC71);
    color: white;
}

.detail-icon.error {
    background: linear-gradient(135deg, var(--error), #C0392B);
    color: white;
}

.detail-icon.info {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
}

.detail-content {
    display: flex;
    flex-direction: column;
}

.detail-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 0.2rem;
}

.detail-label {
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.quiz-results-message {
    text-align: center;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.95rem;
    font-weight: 500;
    box-shadow: var(--shadow-inset);
}

.quiz-results-footer {
    padding: 1rem 1.5rem 1.5rem;
    background: var(--bg-surface);
}

/* Animación de entrada */
@keyframes scaleIn {
    from {
        transform: scale(0.8);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

#quizResultsModal.active .modal-content {
    animation: scaleIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* Responsive */
@media (max-width: 768px) {
    .quiz-results-content {
        max-width: 95% !important;
        margin: 1rem;
    }

    .quiz-results-details {
        grid-template-columns: 1fr;
        gap: 0.65rem;
    }

    .score-circle {
        width: 110px;
        height: 110px;
    }

    .score-percentage {
        font-size: 1.8rem;
    }

    .detail-value {
        font-size: 1.3rem;
    }

    .detail-icon {
        width: 32px;
        height: 32px;
        font-size: 1rem;
    }
}