/* Reset e Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #2563eb;
    --primary-dark: #1e40af;
    --secondary: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --dark: #1f2937;
    --light: #f3f4f6;
    --white: #ffffff;
    --border: #e5e7eb;
    --text: #374151;
    --text-light: #6b7280;
    --success: #10b981;
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--light);
    color: var(--text);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Header */
header {
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    position: relative;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.logo i {
    font-size: 2rem;
}

nav {
    display: flex;
    gap: 20px;
}

nav a {
    text-decoration: none;
    color: var(--text);
    padding: 8px 16px;
    border-radius: 8px;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 8px;
}

nav a:hover {
    background: var(--primary);
    color: var(--white);
}

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

/* Buttons */
.btn-primary, .btn-secondary, .btn-logout, .btn-danger {
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
}

.btn-secondary {
    background: var(--secondary);
    color: var(--white);
}

.btn-logout {
    background: var(--danger);
    color: var(--white);
}

.btn-danger {
    background: var(--danger);
    color: var(--white);
}

.btn-lg {
    padding: 15px 30px;
    font-size: 1.1rem;
}

/* Screens */
.screen {
    display: none;
    padding: 40px 0;
    animation: fadeIn 0.3s;
}

.screen.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.hidden {
    display: none !important;
}

/* Login Screen */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
}

.login-box {
    background: var(--white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    width: 100%;
    max-width: 450px;
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header i {
    font-size: 4rem;
    color: var(--primary);
}

.login-header h1 {
    margin: 10px 0;
    color: var(--dark);
}

.login-header p {
    color: var(--text-light);
}

.tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
}

.tab-btn {
    flex: 1;
    padding: 12px;
    border: none;
    background: var(--light);
    cursor: pointer;
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s;
}

.tab-btn.active {
    background: var(--primary);
    color: var(--white);
}

.auth-form {
    display: none;
}

.auth-form.active {
    display: block;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--dark);
}

.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border);
    border-radius: 8px;
    font-size: 1rem;
    transition: border 0.3s;
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.admin-link {
    text-align: center;
    margin-top: 20px;
}

.admin-link a {
    color: var(--text-light);
    text-decoration: none;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: var(--white);
    padding: 25px;
    border-radius: 15px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    display: flex;
    align-items: center;
    gap: 20px;
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    background: var(--primary);
    color: var(--white);
}

.stat-icon.success {
    background: var(--success);
}

.stat-icon.warning {
    background: var(--warning);
}

.stat-icon.primary {
    background: var(--primary);
}

.stat-info h3 {
    font-size: 2rem;
    margin-bottom: 5px;
    color: var(--dark);
}

.stat-info p {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.chart-card {
    background: var(--white);
    padding: 25px;
    border-radius: 15px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.chart-card h2 {
    margin-bottom: 20px;
    color: var(--dark);
    font-size: 1.3rem;
}

/* Recent Activity */
.recent-activity {
    background: var(--white);
    padding: 25px;
    border-radius: 15px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.recent-activity h2 {
    margin-bottom: 20px;
    color: var(--dark);
}

/* Filters Bar */
.filters-bar {
    background: var(--white);
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.filters-bar select {
    flex: 1;
    min-width: 200px;
    padding: 12px;
    border: 2px solid var(--border);
    border-radius: 8px;
}

/* Question Card */
.question-card {
    background: var(--white);
    padding: 25px;
    border-radius: 15px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    margin-bottom: 20px;
}

.question-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.question-meta {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.badge {
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

.badge-primary {
    background: #dbeafe;
    color: var(--primary);
}

.badge-success {
    background: #d1fae5;
    color: var(--success);
}

.badge-warning {
    background: #fef3c7;
    color: var(--warning);
}

.badge-danger {
    background: #fee2e2;
    color: var(--danger);
}

.question-text {
    font-size: 1.1rem;
    margin-bottom: 20px;
    line-height: 1.8;
    color: var(--dark);
}

.alternatives {
    list-style: none;
}

.alternative {
    padding: 15px;
    border: 2px solid var(--border);
    border-radius: 10px;
    margin-bottom: 10px;
    cursor: pointer;
    transition: all 0.3s;
}

.alternative:hover {
    border-color: var(--primary);
    background: #f0f9ff;
}

.alternative.selected {
    border-color: var(--primary);
    background: #dbeafe;
}

.alternative.correct {
    border-color: var(--success);
    background: #d1fae5;
}

.alternative.incorrect {
    border-color: var(--danger);
    background: #fee2e2;
}

/* Ranking Table */
.ranking-table {
    background: var(--white);
    border-radius: 15px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    overflow: hidden;
}

.ranking-table table {
    width: 100%;
    border-collapse: collapse;
}

.ranking-table th, .ranking-table td {
    padding: 15px;
    text-align: left;
}

.ranking-table th {
    background: var(--primary);
    color: var(--white);
    font-weight: 600;
}

.ranking-table tr:nth-child(even) {
    background: var(--light);
}

.ranking-table tr:hover {
    background: #f0f9ff;
}

/* Timer */
.timer {
    background: var(--danger);
    color: var(--white);
    padding: 15px 25px;
    border-radius: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Progress Bar */
.progress-bar {
    width: 100%;
    height: 10px;
    background: var(--border);
    border-radius: 10px;
    overflow: hidden;
    margin: 20px 0;
}

.progress-fill {
    height: 100%;
    background: var(--success);
    transition: width 0.3s;
}

/* Modal */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.7);
    z-index: 9998;
}

.modal-overlay.active {
    display: block;
}

.modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--white);
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    z-index: 9999;
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-light);
}

/* Admin Tabs */
.admin-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
}

.admin-tab {
    display: none;
}

.admin-tab.active {
    display: block;
}

/* Meta Card */
.meta-card {
    background: var(--white);
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    margin-bottom: 20px;
}

.meta-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.meta-progress {
    margin-top: 15px;
}

.meta-progress-bar {
    width: 100%;
    height: 20px;
    background: var(--border);
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 10px;
}

.meta-progress-fill {
    height: 100%;
    background: var(--success);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 600;
    font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 768px) {
    header .container {
        flex-direction: column;
        gap: 15px;
    }
    
    nav {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .filters-bar {
        flex-direction: column;
    }
}

h1 {
    margin-bottom: 30px;
    color: var(--dark);
    display: flex;
    align-items: center;
    gap: 15px;
}

h1 i {
    color: var(--primary);
}

/* Bulk Import Styles */
.admin-actions {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.btn-success {
    background: var(--success);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-success:hover {
    background: #059669;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.btn-warning {
    background: var(--warning);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-warning:hover {
    background: #d97706;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
}

.modal.large .modal-content {
    max-width: 900px;
    max-height: 90vh;
    overflow-y: auto;
}

.import-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    border-bottom: 2px solid var(--border);
}

.import-tab-btn {
    background: transparent;
    border: none;
    padding: 12px 20px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-light);
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 8px;
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
}

.import-tab-btn:hover {
    color: var(--primary);
}

.import-tab-btn.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

.import-tab {
    display: none;
    animation: fadeIn 0.3s;
}

.import-tab.active {
    display: block;
}

.help-text {
    color: var(--text-light);
    font-size: 14px;
    margin-bottom: 15px;
}

.help-text a {
    color: var(--primary);
    text-decoration: none;
}

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

.file-upload {
    margin: 20px 0;
}

.file-upload input[type="file"] {
    display: none;
}

.file-upload-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 40px;
    border: 2px dashed var(--border);
    border-radius: 12px;
    background: var(--light);
    cursor: pointer;
    transition: all 0.3s;
}

.file-upload-label:hover {
    border-color: var(--primary);
    background: #eff6ff;
}

.file-upload-label i {
    font-size: 48px;
    color: var(--primary);
}

.file-upload-label span {
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
}

textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-family: 'Courier New', monospace;
    font-size: 14px;
    resize: vertical;
    margin: 15px 0;
}

.preview-area {
    margin-top: 20px;
    padding: 20px;
    background: var(--light);
    border-radius: 8px;
    border: 1px solid var(--border);
}

.preview-area.hidden {
    display: none;
}

.preview-summary {
    margin: 15px 0;
}

.question-preview {
    padding: 15px;
    background: white;
    border-radius: 8px;
    margin-bottom: 10px;
    border-left: 4px solid var(--primary);
}

.question-preview strong {
    color: var(--primary);
    display: block;
    margin-bottom: 8px;
}

.question-preview p {
    color: var(--text);
    margin-bottom: 5px;
}

.question-preview small {
    color: var(--text-light);
}

.pdf-options {
    margin: 20px 0;
    padding: 15px;
    background: var(--light);
    border-radius: 8px;
}

.pdf-options label {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    cursor: pointer;
}

.pdf-options input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

/* Progress Modal */
.progress-modal .modal-content {
    max-width: 500px;
}

.progress-container {
    padding: 20px 0;
}

.progress-bar {
    width: 100%;
    height: 30px;
    background: var(--light);
    border-radius: 15px;
    overflow: hidden;
    margin-bottom: 15px;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transition: width 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
}

.progress-text {
    text-align: center;
    color: var(--text);
    font-size: 14px;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Header Responsivo - Ajustes para caber na tela */
header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 15px;
    flex-wrap: nowrap;
    gap: 10px;
}

.logo {
    font-size: 1.3rem !important;
    flex-shrink: 0;
}

.logo i {
    font-size: 1.5rem !important;
}

nav {
    display: flex;
    gap: 8px !important;
    flex-wrap: nowrap;
    overflow-x: auto;
    overflow-y: hidden;
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE/Edge */
}

nav::-webkit-scrollbar {
    display: none; /* Chrome/Safari */
}

nav a {
    padding: 6px 10px !important;
    font-size: 0.85rem;
    white-space: nowrap;
    flex-shrink: 0;
}

nav a i {
    font-size: 0.9rem;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.user-info span {
    display: none; /* Ocultar nome em telas pequenas */
}

.upgrade-btn {
    padding: 6px 12px !important;
    font-size: 0.85rem !important;
    white-space: nowrap;
}

.btn-logout {
    padding: 6px 12px !important;
    font-size: 0.85rem !important;
}

.btn-logout i {
    display: inline;
}

/* Mostrar nome do usuário apenas em telas maiores */
@media (min-width: 1200px) {
    .logo {
        font-size: 1.5rem !important;
    }
    
    .logo i {
        font-size: 2rem !important;
    }
    
    nav {
        gap: 20px !important;
    }
    
    nav a {
        padding: 8px 16px !important;
        font-size: 1rem;
    }
    
    .user-info span {
        display: inline;
    }
    
    .upgrade-btn,
    .btn-logout {
        padding: 10px 20px !important;
        font-size: 1rem !important;
    }
}

@media (min-width: 768px) and (max-width: 1199px) {
    nav {
        gap: 12px !important;
    }
    
    nav a {
        padding: 7px 12px !important;
        font-size: 0.9rem;
    }
    
    .user-info span {
        display: inline;
        font-size: 0.9rem;
    }
}

/* Garantir que nada cause scroll horizontal */
body {
    overflow-x: hidden;
}

header {
    width: 100%;
    overflow: hidden;
}

.container {
    max-width: 100%;
    overflow: hidden;
}

/* ===== MODO QUIZ/SIMULADO ===== */
#quizSelection {
    text-align: center;
    padding: 40px 0;
}

.quiz-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    max-width: 900px;
    margin: 30px auto;
}

.quiz-option-card {
    background: white;
    padding: 30px 20px;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    cursor: pointer;
    transition: all 0.3s;
    border: 2px solid transparent;
}

.quiz-option-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(37,99,235,0.2);
    border-color: var(--primary);
}

.quiz-option-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 10px;
}

.quiz-option-label {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* Container do Quiz */
#quizContainer {
    display: none;
}

.quiz-header {
    background: white;
    padding: 20px;
    border-radius: 12px;
    margin-bottom: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.quiz-progress {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary);
}

.quiz-actions {
    display: flex;
    gap: 10px;
}

.quiz-question-card {
    background: white;
    padding: 30px;
    border-radius: 12px;
    margin-bottom: 20px;
}

.quiz-question-header {
    margin-bottom: 20px;
}

.quiz-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.quiz-question-text {
    font-size: 1.1rem;
    line-height: 1.8;
    margin: 20px 0;
    color: var(--dark);
}

.quiz-alternatives {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 20px;
}

.quiz-alternative {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    padding: 15px;
    background: var(--light);
    border: 2px solid var(--border);
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s;
}

.quiz-alternative:hover {
    background: #e0e7ff;
    border-color: var(--primary);
}

.quiz-alternative.selected {
    background: #dbeafe;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}

.alternative-letter {
    min-width: 35px;
    height: 35px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    font-weight: 700;
    font-size: 1.1rem;
}

.quiz-alternative.selected .alternative-letter {
    background: #1e40af;
}

.alternative-text {
    flex: 1;
    line-height: 1.6;
}

.quiz-navigation {
    display: flex;
    justify-content: space-between;
    gap: 15px;
    margin-top: 30px;
}

.quiz-navigation .btn-primary {
    flex: 1;
    justify-content: center;
}

/* Resultados do Quiz */
#quizResults {
    display: none;
}

.quiz-results-summary {
    background: white;
    padding: 40px;
    border-radius: 12px;
    text-align: center;
    margin-bottom: 30px;
}

.quiz-score-circle {
    width: 200px;
    height: 200px;
    margin: 0 auto 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.quiz-score-value {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--dark);
    background: white;
    border-radius: 50%;
    width: 160px;
    height: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.quiz-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.quiz-stat-item {
    padding: 20px;
    background: var(--light);
    border-radius: 10px;
}

.quiz-stat-value {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 5px;
}

.quiz-stat-value.correct {
    color: var(--success);
}

.quiz-stat-value.incorrect {
    color: var(--danger);
}

.quiz-stat-value.unanswered {
    color: var(--text-light);
}

.quiz-stat-label {
    color: var(--text-light);
    font-size: 0.9rem;
}

.quiz-results-details {
    background: white;
    padding: 30px;
    border-radius: 12px;
}

.quiz-result-item {
    padding: 20px;
    border-left: 4px solid var(--border);
    margin-bottom: 20px;
    background: var(--light);
    border-radius: 8px;
}

.quiz-result-item.correct {
    border-left-color: var(--success);
    background: #d1fae5;
}

.quiz-result-item.incorrect {
    border-left-color: var(--danger);
    background: #fee2e2;
}

.quiz-result-item.unanswered {
    border-left-color: var(--text-light);
    background: #f3f4f6;
}

.quiz-result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    flex-wrap: wrap;
    gap: 10px;
}

.quiz-result-status {
    display: flex;
    align-items: center;
    gap: 5px;
    font-weight: 600;
}

.quiz-result-status i {
    font-size: 1.2rem;
}

.quiz-result-item.correct .quiz-result-status {
    color: var(--success);
}

.quiz-result-item.incorrect .quiz-result-status {
    color: var(--danger);
}

.quiz-result-question {
    color: var(--dark);
    margin: 10px 0;
    font-size: 0.95rem;
}

.quiz-result-answers {
    margin-top: 10px;
    padding: 15px;
    background: white;
    border-radius: 8px;
    font-size: 0.9rem;
}

.quiz-result-answers > div {
    margin-bottom: 5px;
}

.quiz-result-explanation {
    margin-top: 15px;
    padding: 15px;
    background: white;
    border-radius: 8px;
    font-size: 0.9rem;
    line-height: 1.6;
}

.quiz-results-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-top: 30px;
}

/* Responsividade do Quiz */
@media (max-width: 768px) {
    .quiz-options {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .quiz-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .quiz-navigation {
        flex-direction: column;
    }
    
    .quiz-score-circle {
        width: 150px;
        height: 150px;
    }
    
    .quiz-score-value {
        width: 120px;
        height: 120px;
        font-size: 2.5rem;
    }
    
    .quiz-stats {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .quiz-options {
        grid-template-columns: 1fr;
    }
}

/* ===== QUESTÕES: ALTERNATIVAS BLOQUEADAS ===== */
.alternative.disabled {
    cursor: not-allowed;
    opacity: 0.9;
    pointer-events: none;
}

.alternative.disabled:hover {
    background: var(--light);
    border-color: var(--border);
}

.alternative.correct {
    background: #d1fae5;
    border-color: #10b981;
    border-width: 2px;
}

.alternative.correct strong {
    color: #10b981;
}

.alternative.incorrect {
    background: #fee2e2;
    border-color: #ef4444;
    border-width: 2px;
}

.alternative.incorrect strong {
    color: #ef4444;
}

/* Botão Responder */
.btn-primary.disabled {
    background: #9ca3af;
    cursor: not-allowed;
    pointer-events: none;
}

/* Badge de questão respondida */
.badge.badge-success {
    background: #10b981;
    color: white;
}

/* ===== CORREÇÃO DO MODAL DE PAGAMENTO ===== */
.payment-modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--white);
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    z-index: 10000;
    max-width: 600px;
    width: 90%;
    max-height: 85vh;
    overflow-y: auto;
}

.payment-modal .modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border);
}

.payment-modal .modal-close {
    background: var(--danger);
    color: white;
    border: none;
    width: 35px;
    height: 35px;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
    flex-shrink: 0;
    z-index: 10001;
}

.payment-modal .modal-close:hover {
    background: #dc2626;
    transform: scale(1.1);
}

.payment-modal .modal-close:active {
    transform: scale(0.95);
}

/* Garantir que o modal-overlay cubra tudo */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.7);
    z-index: 9998;
}

.modal-overlay.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Scrollbar customizada para o modal */
.payment-modal::-webkit-scrollbar {
    width: 8px;
}

.payment-modal::-webkit-scrollbar-track {
    background: var(--light);
    border-radius: 10px;
}

.payment-modal::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 10px;
}

.payment-modal::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

/* Responsividade do modal de pagamento */
@media (max-width: 768px) {
    .payment-modal {
        width: 95%;
        max-width: 95%;
        padding: 20px;
        max-height: 90vh;
    }
    
    .payment-modal .modal-close {
        width: 32px;
        height: 32px;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .payment-modal {
        width: 98%;
        padding: 15px;
        border-radius: 15px;
    }
}

/* ===== CORREÇÃO ADICIONAL DO MODAL ===== */
#modalContainer {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    pointer-events: none;
}

#modalContainer.active {
    display: flex;
    pointer-events: none;
}

#modalContainer > * {
    pointer-events: all;
}

/* Garantir que payment-modal funcione dentro do container */
#modalContainer .payment-modal {
    position: relative;
    top: auto;
    left: auto;
    transform: none;
    margin: 20px;
}

/* Ajuste do overlay para trabalhar com container */
.modal-overlay.active {
    display: block;
}

/* ===== MODAL DE PAGAMENTO COMPACTO (SEM SCROLL) ===== */
.payment-modal-content.compact {
    max-height: 90vh;
    padding: 20px;
}

.payment-modal-content.compact .checkout-header {
    margin-bottom: 15px;
}

.payment-modal-content.compact .checkout-header h2 {
    font-size: 1.5rem;
    margin: 10px 0 5px 0;
}

.payment-modal-content.compact .checkout-price {
    font-size: 1.8rem;
    margin: 5px 0;
}

.checkout-form.compact {
    padding: 15px 0;
}

.checkout-form.compact .form-group {
    margin-bottom: 12px;
}

.checkout-form.compact label {
    font-size: 0.85rem;
    margin-bottom: 5px;
}

.checkout-form.compact input,
.checkout-form.compact .stripe-element input {
    padding: 10px;
    font-size: 0.95rem;
}

.checkout-form.compact .form-row {
    gap: 10px;
}

.checkout-form.compact .btn-lg {
    padding: 12px;
    margin: 10px 0 5px 0;
}

.checkout-form.compact .payment-security {
    font-size: 0.8rem;
    padding: 8px;
    margin-top: 5px;
}

/* Plans comparison compacto */
.plans-comparison {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    margin: 15px 0;
}

.plan-card {
    background: white;
    border: 2px solid var(--border);
    border-radius: 12px;
    padding: 15px;
    text-align: center;
    transition: all 0.3s;
}

.plan-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.plan-card.premium {
    border-color: var(--primary);
    position: relative;
}

.plan-badge {
    position: absolute;
    top: -10px;
    right: 10px;
    background: var(--primary);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.plan-header h3 {
    color: var(--dark);
    margin: 10px 0 5px 0;
    font-size: 1.1rem;
}

.plan-price {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary);
    margin: 5px 0;
}

.plan-price span {
    font-size: 0.9rem;
    color: var(--text);
    font-weight: 400;
}

.plan-features {
    list-style: none;
    padding: 0;
    margin: 15px 0;
    text-align: left;
}

.plan-features li {
    padding: 6px 0;
    font-size: 0.85rem;
    color: var(--text);
}

.plan-features li:before {
    content: '✓ ';
    color: var(--success);
    font-weight: bold;
    margin-right: 5px;
}

.plan-card button {
    width: 100%;
    margin-top: 10px;
    padding: 10px;
    font-size: 0.9rem;
}

/* Success modal compacto */
.payment-modal-content.success.compact {
    text-align: center;
    padding: 25px;
}

.success-icon {
    font-size: 3rem;
    color: var(--success);
    margin-bottom: 15px;
}

.success-benefits {
    margin: 15px 0;
}

.success-benefits h3 {
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.success-benefits ul {
    list-style: none;
    padding: 0;
    text-align: left;
    max-width: 300px;
    margin: 0 auto;
}

.success-benefits li {
    padding: 5px 0;
    font-size: 0.9rem;
}

.success-benefits li i {
    color: var(--success);
    margin-right: 8px;
}

/* Responsivo para modal compacto */
@media (max-width: 768px) {
    .plans-comparison {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    
    .plan-card {
        padding: 12px;
    }
    
    .payment-modal-content.compact {
        padding: 15px;
    }
}

/* Ajustes para modal overlay */
#modalOverlay.active {
    display: flex !important;
    align-items: center;
    justify-content: center;
}

.payment-guarantee {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-top: 15px;
    padding: 10px;
    background: var(--light);
    border-radius: 8px;
    font-size: 0.85rem;
    color: var(--text);
}

.payment-guarantee i {
    color: var(--success);
}

/* Histórico de Respostas */
.historico-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: white;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    display: flex;
    align-items: center;
    gap: 15px;
}

.stat-card i {
    font-size: 32px;
}

.stat-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--dark);
    line-height: 1;
}

.stat-label {
    font-size: 14px;
    color: var(--text-light);
    margin-top: 5px;
}

.historico-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.historico-item {
    background: white;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    border-left: 4px solid var(--success);
    transition: transform 0.2s, box-shadow 0.2s;
}

.historico-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.historico-item.incorrect {
    border-left-color: var(--danger);
}

.historico-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border);
}

.historico-status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    font-size: 16px;
}

.historico-status i {
    font-size: 20px;
}

.historico-item.correct .historico-status {
    color: var(--success);
}

.historico-item.incorrect .historico-status {
    color: var(--danger);
}

.historico-date {
    color: var(--text-light);
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.historico-question {
    margin-bottom: 15px;
}

.question-tema {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--light);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 13px;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 10px;
}

.question-enunciado {
    font-size: 16px;
    color: var(--dark);
    line-height: 1.6;
}

.historico-answer {
    background: var(--light);
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 15px;
}

.answer-row {
    display: flex;
    gap: 10px;
    margin-bottom: 10px;
    align-items: flex-start;
}

.answer-row:last-child {
    margin-bottom: 0;
}

.answer-row strong {
    color: var(--dark);
    min-width: 140px;
    font-size: 14px;
}

.answer-value {
    flex: 1;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 14px;
}

.answer-value.correct {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
    border: 1px solid var(--success);
}

.answer-value.incorrect {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
    border: 1px solid var(--danger);
}

.historico-explanation {
    background: #fffbeb;
    border-left: 3px solid var(--warning);
    padding: 15px;
    border-radius: 6px;
    margin-bottom: 15px;
}

.historico-explanation strong {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #d97706;
    margin-bottom: 8px;
    font-size: 14px;
}

.historico-explanation p {
    color: var(--text);
    font-size: 14px;
    line-height: 1.6;
    margin: 0;
}

.historico-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 15px;
    border-top: 1px solid var(--border);
    font-size: 14px;
    color: var(--text-light);
}

.historico-time,
.historico-difficulty {
    display: flex;
    align-items: center;
    gap: 6px;
}

.empty-state,
.error-state {
    text-align: center;
    padding: 60px 20px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

/* Responsividade para Histórico */
@media (max-width: 768px) {
    .historico-stats {
        grid-template-columns: 1fr;
    }
    
    .historico-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .historico-footer {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .answer-row {
        flex-direction: column;
        gap: 5px;
    }
    
    .answer-row strong {
        min-width: auto;
    }
}