/* Component-specific styles */

/* Dashboard */
.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
}

.dashboard-header h1 {
    margin: 0;
}

.header-actions {
    display: flex;
    gap: 12px;
}

.header-controls {
    display: flex;
    gap: 12px;
    align-items: center;
}

.search-input {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 10px 16px;
    border-radius: 8px;
    font-size: 14px;
    min-width: 250px;
    transition: all 0.3s ease;
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.search-input::placeholder {
    color: var(--text-secondary);
}

.stats-overview {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 40px;
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.course-card {
    background: var(--bg-secondary);
    padding: 20px;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.course-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.course-icon {
    width: 64px;
    height: 64px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    flex-shrink: 0;
}

.course-info {
    flex: 1;
}

.course-name {
    font-size: 18px;
    font-weight: 600;
    margin: 0 0 8px 0;
    color: var(--text-primary);
}

.course-description {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0 0 12px 0;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.course-stats {
    display: flex;
    gap: 16px;
}

.course-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.course-stat .stat-label {
    font-size: 18px;
    font-weight: 600;
}

.course-stat .stat-text {
    font-size: 11px;
    color: var(--text-secondary);
    text-transform: uppercase;
}

.recent-activity {
    margin-top: 40px;
}

.activity-list {
    background: var(--bg-secondary);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.activity-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
}

.activity-item:last-child {
    border-bottom: none;
}

.activity-icon {
    font-size: 24px;
    flex-shrink: 0;
}

.activity-details {
    flex: 1;
}

.activity-title {
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.activity-meta {
    font-size: 12px;
    color: var(--text-secondary);
}

/* Course View */
.course-header {
    background: var(--bg-secondary);
    padding: 24px;
    border-radius: 12px;
    margin-bottom: 24px;
    box-shadow: var(--shadow);
}

.course-header .course-description {
    margin: 16px 0;
    font-size: 16px;
}

.course-actions {
    display: flex;
    gap: 12px;
}

.course-stats-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.action-buttons {
    display: flex;
    gap: 12px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.quizzes-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.quiz-item {
    background: var(--bg-secondary);
    padding: 20px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 20px;
    box-shadow: var(--shadow);
    transition: all 0.2s;
}

.quiz-item:hover {
    transform: translateX(4px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.quiz-info {
    flex: 1;
}

.quiz-name {
    font-size: 16px;
    font-weight: 600;
    margin: 0 0 8px 0;
}

.quiz-meta {
    font-size: 13px;
    color: var(--text-secondary);
}

.quiz-score {
    font-size: 28px;
    font-weight: 700;
    min-width: 80px;
    text-align: center;
}

.quiz-actions {
    display: flex;
    gap: 8px;
}

/* Quiz Input */
.quiz-input-container {
    max-width: 800px;
    margin: 0 auto;
}

.quiz-input-container textarea {
    min-height: 300px;
}

.form-actions {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
}

.form-submit {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-top: 32px;
}

/* Quiz Taking */
.quiz-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    background: var(--bg-secondary);
    border-radius: 12px;
    margin-bottom: 16px;
    box-shadow: var(--shadow);
}

.quiz-title {
    font-size: 18px;
    font-weight: 600;
}

.quiz-timer {
    font-size: 16px;
    font-weight: 500;
    color: var(--primary-color);
}

.progress-bar {
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 8px;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--success-color));
    transition: width 0.3s ease;
}

.progress-text {
    text-align: center;
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.quiz-content {
    background: var(--bg-secondary);
    padding: 32px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    animation: fadeIn 0.3s ease;
}

.question-text {
    font-size: 20px;
    font-weight: 500;
    margin-bottom: 32px;
    line-height: 1.6;
}

.question-number {
    display: block;
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.options-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 32px;
}

.option {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    background: var(--bg-tertiary);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
}

.option:hover {
    background: var(--bg-secondary);
    border-color: var(--primary-color);
}

.option.selected {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.option-indicator {
    width: 32px;
    height: 32px;
    background: var(--bg-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    flex-shrink: 0;
}

.option.selected .option-indicator {
    background: white;
    color: var(--primary-color);
}

.option-text {
    flex: 1;
    font-size: 15px;
}

.question-navigator {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
    padding: 20px 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    margin: 24px 0;
}

.nav-dot {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 12px;
    font-weight: 600;
    transition: all 0.2s;
}

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

.nav-dot.answered {
    background: var(--success-color);
    color: white;
}

.nav-dot.current {
    background: var(--primary-color);
    color: white;
    transform: scale(1.2);
}

.quiz-actions {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 16px;
}

.quiz-footer {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
}

.keyboard-hints {
    display: flex;
    gap: 16px;
    margin-left: auto;
}

.keyboard-hints .hint {
    font-size: 12px;
    color: var(--text-secondary);
    background: var(--bg-secondary);
    padding: 4px 8px;
    border-radius: 4px;
    font-family: monospace;
}

/* Quiz Results */
.results-header {
    text-align: center;
    margin-bottom: 32px;
}

.results-content {
    max-width: 800px;
    margin: 0 auto;
}

.score-display {
    text-align: center;
    margin-bottom: 32px;
}

.score-circle {
    width: 200px;
    height: 200px;
    border: 12px solid;
    border-radius: 50%;
    margin: 0 auto 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    animation: scaleIn 0.5s ease;
}

.score-value {
    font-size: 48px;
    font-weight: 700;
}

.score-percentage {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-secondary);
}

.score-stars {
    font-size: 32px;
    letter-spacing: 8px;
}

.motivational-message {
    text-align: center;
    font-size: 20px;
    margin-bottom: 40px;
    font-weight: 500;
}

.results-breakdown {
    background: var(--bg-secondary);
    padding: 24px;
    border-radius: 12px;
    margin-bottom: 32px;
    box-shadow: var(--shadow);
}

.breakdown-stats {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 16px;
}

.breakdown-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: var(--bg-tertiary);
    border-radius: 8px;
}

.breakdown-icon {
    font-size: 24px;
}

.breakdown-label {
    flex: 1;
    font-weight: 500;
}

.breakdown-value {
    font-size: 18px;
    font-weight: 700;
}

.mistakes-section {
    background: var(--bg-secondary);
    padding: 24px;
    border-radius: 12px;
    margin-bottom: 32px;
    box-shadow: var(--shadow);
}

.wrong-questions {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 16px;
}

.wrong-question {
    padding: 16px;
    background: var(--bg-tertiary);
    border-radius: 8px;
    border-left: 4px solid var(--danger-color);
}

.wrong-q-title {
    font-weight: 600;
    margin-bottom: 12px;
}

.wrong-q-details {
    font-size: 14px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.wrong-text {
    color: var(--danger-color);
    font-weight: 600;
}

.correct-text {
    color: var(--success-color);
    font-weight: 600;
}

.explanation {
    padding: 12px;
    background: var(--bg-primary);
    border-radius: 6px;
    font-style: italic;
    color: var(--text-secondary);
}

.perfect-score {
    text-align: center;
    font-size: 28px;
    padding: 40px;
    background: linear-gradient(135deg, var(--success-color), var(--primary-color));
    border-radius: 12px;
    color: white;
    margin-bottom: 32px;
}

.results-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
}
/* Settings Page */
.settings-page {
    max-width: 800px;
    margin: 0 auto;
}

.settings-header {
    margin-bottom: 32px;
}

.settings-header h1 {
    margin: 16px 0 0 0;
}

.settings-content {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.settings-section {
    background: var(--bg-secondary);
    padding: 24px;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.settings-section h2 {
    margin: 0 0 8px 0;
    font-size: 20px;
}

.section-description {
    color: var(--text-secondary);
    margin: 0 0 20px 0;
}

.setting-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
    border-bottom: 1px solid var(--border-color);
}

.setting-item:last-child {
    border-bottom: none;
}

.setting-item label {
    font-weight: 600;
    display: block;
    margin-bottom: 4px;
}

.setting-description {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0;
}

.setting-select {
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 14px;
    min-width: 150px;
}

/* Toggle Switch */
.toggle {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 28px;
}

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

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    transition: 0.3s;
    border-radius: 28px;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 4px;
    bottom: 3px;
    background-color: var(--text-secondary);
    transition: 0.3s;
    border-radius: 50%;
}

.toggle input:checked + .toggle-slider {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.toggle input:checked + .toggle-slider:before {
    transform: translateX(22px);
    background-color: white;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 16px;
    margin-bottom: 20px;
}

.last-backup {
    text-align: center;
    color: var(--text-secondary);
    font-size: 14px;
    margin: 16px 0;
}

.button-group {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.danger-zone {
    border: 2px solid var(--danger-color);
    background: var(--bg-secondary);
}

.danger-warning {
    color: var(--text-secondary);
    font-size: 14px;
    margin: 12px 0 0 0;
}

/* Review Modal */
.review-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 20px;
    animation: fadeIn 0.3s ease;
}

.review-content {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 32px;
    max-width: 600px;
    width: 100%;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    animation: scaleIn 0.3s ease;
}

.review-content h2 {
    margin: 0 0 16px 0;
}

.review-summary {
    color: var(--text-secondary);
    margin-bottom: 24px;
    text-align: center;
}

.review-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 24px;
}

.review-item {
    background: var(--bg-primary);
    padding: 16px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    border-left: 3px solid var(--success-color);
}

.review-item:hover {
    transform: translateX(4px);
    background: var(--bg-tertiary);
}

.review-item.unanswered {
    border-left-color: var(--warning-color);
}

.review-question {
    font-weight: 600;
    margin-bottom: 8px;
}

.review-answer {
    font-size: 14px;
    color: var(--text-secondary);
}

.review-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
}

/* Help Page Styles */
.help-page {
    max-width: 1000px;
    margin: 0 auto;
}

.help-header {
    margin-bottom: 40px;
    text-align: center;
}

.help-header h1 {
    margin: 20px 0 10px 0;
    font-size: 2.5em;
}

.help-header .btn-back {
    float: left;
    margin-bottom: 20px;
}

.help-content {
    clear: both;
}

.help-section {
    background: var(--bg-secondary);
    padding: 32px;
    border-radius: 12px;
    margin-bottom: 32px;
    border: 1px solid var(--border-color);
}

.help-section h2 {
    margin-top: 0;
    margin-bottom: 20px;
    color: var(--primary-color);
    font-size: 1.8em;
}

.help-section h3 {
    margin-top: 24px;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.help-section p {
    line-height: 1.7;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.help-section ul, .help-section ol {
    line-height: 1.8;
    color: var(--text-primary);
    margin-left: 24px;
    margin-bottom: 16px;
}

.help-section li {
    margin-bottom: 8px;
}

.help-section.featured {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(139, 92, 246, 0.1));
    border: 2px solid var(--primary-color);
}

/* Approach Steps */
.approach-steps {
    margin-top: 24px;
}

.step {
    display: flex;
    gap: 20px;
    margin-bottom: 32px;
    padding: 20px;
    background: var(--bg-primary);
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
}

.step-number {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5em;
    font-weight: bold;
}

.step-content h3 {
    margin-top: 0;
    color: var(--primary-color);
}

/* Code Examples */
.code-example, .code-block {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px;
    margin: 16px 0;
    overflow-x: auto;
}

.code-example pre, .code-block pre {
    margin: 8px 0 0 0;
    color: var(--text-primary);
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 13px;
    line-height: 1.6;
    white-space: pre-wrap;
    word-wrap: break-word;
}

.code-example strong {
    color: var(--primary-color);
}

code {
    background: var(--bg-primary);
    color: var(--primary-color);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 0.9em;
}

/* Format Table */
.format-details {
    margin-top: 24px;
}

.format-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 16px;
}

.format-table th {
    background: var(--bg-primary);
    color: var(--primary-color);
    padding: 12px;
    text-align: left;
    border: 1px solid var(--border-color);
    font-weight: 600;
}

.format-table td {
    padding: 12px;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.format-table tr:nth-child(even) {
    background: rgba(255, 255, 255, 0.02);
}

/* Prompt Examples */
.prompt-examples {
    display: grid;
    gap: 20px;
    margin-top: 20px;
}

.prompt-card {
    background: var(--bg-primary);
    padding: 20px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.prompt-card h3 {
    margin-top: 0;
    color: var(--success-color);
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.feature-card {
    background: var(--bg-primary);
    padding: 20px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary-color);
}

.feature-card h3 {
    margin-top: 0;
    margin-bottom: 12px;
    color: var(--primary-color);
}

.feature-card p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.95em;
}

/* Tips List */
.tips-list {
    display: grid;
    gap: 20px;
    margin-top: 20px;
}

.tip {
    background: var(--bg-primary);
    padding: 20px;
    border-radius: 8px;
    border-left: 4px solid var(--success-color);
}

.tip h3 {
    margin-top: 0;
    color: var(--success-color);
}

/* Quick Start */
.quick-start h3 {
    color: var(--primary-color);
    margin-top: 24px;
    margin-bottom: 12px;
}

.quick-start p {
    margin-bottom: 12px;
}

.quick-start strong {
    color: var(--primary-color);
}

/* FAQ */
.faq {
    margin-top: 20px;
}

.faq-item {
    background: var(--bg-primary);
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 16px;
    border: 1px solid var(--border-color);
}

.faq-item h3 {
    margin-top: 0;
    color: var(--primary-color);
    font-size: 1.1em;
}

.faq-item strong {
    color: var(--success-color);
}

/* Help Footer */
.help-footer {
    text-align: center;
    padding: 40px 20px;
    font-size: 1.2em;
}

.help-footer a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

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