/* Reset and Base Styles */
*, *::before, *::after {
    box-sizing: border-box;
}

:root {
    --color-bg: #f5f5f7;
    --color-surface: #ffffff;
    --color-primary: #5856d6;
    --color-primary-hover: #4745b5;
    --color-secondary: #6b7280;
    --color-text: #1f2937;
    --color-text-muted: #6b7280;
    --color-border: #e5e7eb;
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;

    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);

    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    --font-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', monospace;
}

body {
    margin: 0;
    padding: 0;
    font-family: var(--font-sans);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
}

/* App Container */
.app-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.app-header {
    background: var(--color-surface);
    padding: var(--spacing-lg) var(--spacing-xl);
    text-align: center;
    border-bottom: 1px solid var(--color-border);
}

.app-header h1 {
    margin: 0;
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--color-text);
}

.app-header .subtitle {
    margin: var(--spacing-xs) 0 0;
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

/* Main Content */
.main-content {
    flex: 1;
    padding: var(--spacing-xl);
    max-width: 800px;
    margin: 0 auto;
    width: 100%;
}

/* Screens */
.screen {
    display: none;
}

.screen.active {
    display: block;
}

/* Welcome Screen */
.welcome-content {
    background: var(--color-surface);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.welcome-content h2 {
    margin-top: 0;
    font-size: 1.5rem;
}

.disclaimer {
    background: #fef3c7;
    border: 1px solid #fcd34d;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin: var(--spacing-lg) 0;
    font-size: 0.9rem;
}

.instructions {
    background: #f0f9ff;
    border: 1px solid #bae6fd;
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    text-align: left;
}

.instructions p {
    margin-bottom: var(--spacing-sm);
}

.instructions ul {
    margin: 0;
    padding-left: var(--spacing-lg);
}

.instructions li {
    margin-bottom: var(--spacing-xs);
}

.session-options {
    margin-top: var(--spacing-xl);
}

.session-options h3 {
    margin-bottom: var(--spacing-md);
    font-size: 1.1rem;
}

.saved-sessions {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

.saved-sessions h4 {
    margin: 0 0 var(--spacing-md);
    font-size: 0.95rem;
    color: var(--color-text-muted);
}

.saved-sessions ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.saved-sessions li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-bg);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-sm);
}

.saved-sessions li:hover {
    background: #e5e7eb;
}

.session-info {
    flex: 1;
}

.session-date {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.session-progress {
    font-size: 0.8rem;
    color: var(--color-secondary);
}

.session-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.settings-section {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

.settings-section h4 {
    margin: 0 0 var(--spacing-md);
    font-size: 0.95rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    margin-bottom: var(--spacing-sm);
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
}

.stem-count-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.stem-count-label select {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 0.95rem;
    font-weight: 500;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.15s ease;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
    background: var(--color-primary-hover);
}

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

.btn-secondary:hover:not(:disabled) {
    background: #e5e7eb;
}

.btn-ghost {
    background: transparent;
    color: var(--color-text-muted);
}

.btn-ghost:hover:not(:disabled) {
    background: var(--color-bg);
    color: var(--color-text);
}

.btn-small {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.8rem;
}

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

.btn-danger:hover:not(:disabled) {
    background: #dc2626;
}

/* Assessment Screen */
.assessment-container {
    background: var(--color-surface);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

/* Progress Bar */
.progress-bar {
    height: 6px;
    background: var(--color-bg);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: var(--spacing-sm);
}

.progress-fill {
    height: 100%;
    background: var(--color-primary);
    transition: width 0.3s ease;
    width: 0%;
}

.progress-text {
    text-align: center;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xl);
}

/* Stem Card */
.stem-card {
    margin-bottom: var(--spacing-xl);
}

.stem-number {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-sm);
}

.stem-text {
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: var(--spacing-lg);
    line-height: 1.4;
}

.response-input {
    width: 100%;
    padding: var(--spacing-md);
    font-size: 1rem;
    font-family: var(--font-sans);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    resize: vertical;
    min-height: 120px;
    transition: border-color 0.15s ease;
}

.response-input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.char-count {
    text-align: right;
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-top: var(--spacing-xs);
}

/* Navigation Buttons */
.nav-buttons {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
}

.nav-buttons .btn {
    min-width: 100px;
}

/* Scoring Panel (Developer Mode) */
.scoring-panel {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-border);
}

.scoring-panel h3 {
    margin: 0 0 var(--spacing-md);
    font-size: 1rem;
    color: var(--color-text-muted);
}

.scoring-instructions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.scoring-instructions p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.scoring-notes {
    width: 100%;
    min-height: 200px;
    padding: var(--spacing-md);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    resize: vertical;
    background: #f9fafb;
}

/* Review Screen */
.review-container {
    background: var(--color-surface);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.review-container h2 {
    margin-top: 0;
}

.responses-list {
    margin: var(--spacing-xl) 0;
    max-height: 500px;
    overflow-y: auto;
}

.response-item {
    padding: var(--spacing-md);
    background: var(--color-bg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

.response-item.skipped {
    opacity: 0.6;
}

.response-stem {
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
}

.response-text {
    color: var(--color-text);
    font-style: italic;
}

.response-text.empty {
    color: var(--color-text-muted);
}

.response-edit-btn {
    margin-top: var(--spacing-sm);
}

.review-actions {
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-md);
}

/* Results Screen */
.results-container {
    background: var(--color-surface);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.results-container h2 {
    margin-top: 0;
}

.results-summary {
    background: #ecfdf5;
    border: 1px solid #6ee7b7;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin: var(--spacing-lg) 0;
}

/* Score Section */
.score-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    margin: var(--spacing-xl) 0;
}

.score-section h3 {
    margin: 0 0 var(--spacing-sm);
    font-size: 1.25rem;
}

.score-section > p {
    margin: 0 0 var(--spacing-lg);
    opacity: 0.9;
}

.score-steps {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.score-step {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.step-number {
    width: 32px;
    height: 32px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    flex-shrink: 0;
}

.step-hint {
    font-size: 0.85rem;
    opacity: 0.8;
}

.step-hint code {
    background: rgba(255, 255, 255, 0.2);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
}

.command-hint {
    background: rgba(255, 255, 255, 0.2);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-family: var(--font-mono);
    font-size: 0.95rem;
}

.score-section .btn-primary {
    background: white;
    color: #667eea;
}

.score-section .btn-primary:hover {
    background: #f0f0f0;
}

/* Scoring Results */
.scoring-results-content {
    background: var(--color-bg);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    font-family: var(--font-sans);
    line-height: 1.7;
    max-height: 500px;
    overflow-y: auto;
}

.scoring-results-content h2,
.scoring-results-content h3 {
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

.scoring-results-content h2:first-child,
.scoring-results-content h3:first-child {
    margin-top: 0;
}

.scoring-results-content table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--spacing-md) 0;
}

.scoring-results-content th,
.scoring-results-content td {
    border: 1px solid var(--color-border);
    padding: var(--spacing-sm);
    text-align: left;
}

.scoring-results-content th {
    background: var(--color-surface);
}

/* Export Section */
.export-section {
    margin: var(--spacing-xl) 0;
    padding: var(--spacing-md);
    background: var(--color-bg);
    border-radius: var(--radius-md);
}

.export-section summary {
    cursor: pointer;
    font-weight: 500;
    color: var(--color-text-muted);
}

.export-section summary:hover {
    color: var(--color-text);
}

.export-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin-top: var(--spacing-md);
}

.claude-output-section {
    margin: var(--spacing-xl) 0;
    padding: var(--spacing-lg);
    background: var(--color-bg);
    border-radius: var(--radius-md);
}

.claude-output-section h3 {
    margin-top: 0;
}

.claude-input-text,
.claude-output-text {
    width: 100%;
    min-height: 200px;
    padding: var(--spacing-md);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    resize: vertical;
}

.scoring-results-section {
    margin: var(--spacing-xl) 0;
    padding: var(--spacing-lg);
    background: #fef3c7;
    border: 1px solid #fcd34d;
    border-radius: var(--radius-md);
}

.finish-actions {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

/* Footer */
.app-footer {
    background: var(--color-surface);
    padding: var(--spacing-md) var(--spacing-xl);
    text-align: center;
    border-top: 1px solid var(--color-border);
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.app-footer p {
    margin: 0;
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-content {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.modal-header h3 {
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--color-text-muted);
    padding: 0;
    line-height: 1;
}

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

.modal-body {
    padding: var(--spacing-lg);
    overflow-y: auto;
}

.system-prompt-text {
    width: 100%;
    min-height: 300px;
    padding: var(--spacing-md);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    resize: vertical;
}

/* Feedback */
.feedback-btn {
    margin-top: var(--spacing-sm);
}

.feedback-modal-content {
    max-width: 500px;
}

.feedback-textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    resize: vertical;
    font-family: inherit;
    font-size: 1rem;
}

.feedback-contact {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    font-size: 0.9rem;
}

.feedback-actions {
    display: flex;
    justify-content: flex-end;
}

.feedback-status {
    margin-top: var(--spacing-md);
    font-size: 0.9rem;
}

.feedback-status.success {
    color: var(--color-success);
}

.feedback-status.error {
    color: var(--color-error);
}

/* Admin Feedback List */
.admin-feedback-list {
    max-height: 400px;
    overflow-y: auto;
}

.feedback-item {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.feedback-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.feedback-item-message {
    white-space: pre-wrap;
    word-break: break-word;
}

.feedback-item-contact {
    margin-top: var(--spacing-sm);
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* Toast Notifications */
.toast {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: var(--color-text);
    color: white;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 1001;
    animation: slideIn 0.3s ease;
}

.toast.success {
    background: var(--color-success);
}

.toast.error {
    background: var(--color-error);
}

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

/* Live Scoring Display */
.live-scoring-display {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, #f0f4ff 0%, #e8f0fe 100%);
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-md);
}

.scoring-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.scoring-header h3 {
    margin: 0;
    font-size: 1rem;
    color: var(--color-primary);
}

.scoring-status {
    font-size: 0.85rem;
    color: var(--color-primary);
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.live-scoring-content {
    font-size: 0.95rem;
    line-height: 1.7;
}

.live-scoring-content p {
    margin: 0 0 var(--spacing-md);
}

.live-scoring-content strong {
    color: var(--color-primary);
}

.scoring-empty {
    color: var(--color-text-muted);
    font-style: italic;
    text-align: center;
    padding: var(--spacing-lg);
}

.scoring-loading {
    color: var(--color-primary);
    text-align: center;
    padding: var(--spacing-lg);
}

.scoring-error {
    color: var(--color-error);
    padding: var(--spacing-md);
    background: #fef2f2;
    border-radius: var(--radius-sm);
}

/* Accent Button */
.btn-accent {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    border: none;
}

.btn-accent:hover {
    background: linear-gradient(135deg, #059669 0%, #047857 100%);
    transform: translateY(-1px);
}

.btn-accent:active {
    transform: translateY(0);
}

/* Developer Mode Divider */
.dev-divider {
    border: none;
    border-top: 1px solid var(--color-border);
    margin: var(--spacing-lg) 0;
}

/* Example Answers Section */
.example-answers-section {
    margin-bottom: var(--spacing-md);
}

.example-answers-container {
    margin-top: var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
}

/* Example Tabs */
.example-tabs {
    display: flex;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
}

.example-tab {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    transition: all 0.2s ease;
}

.example-tab:hover {
    background: var(--color-surface);
    color: var(--color-text);
}

.example-tab.active {
    background: var(--color-surface);
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

/* Example Content */
.example-content {
    padding: var(--spacing-md);
    background: var(--color-surface);
    max-height: 400px;
    overflow-y: auto;
}

.example-loading,
.example-not-available {
    text-align: center;
    color: var(--color-text-muted);
    padding: var(--spacing-lg);
    font-style: italic;
}

.example-stage-info {
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-border);
}

.example-stage-info strong {
    color: var(--color-primary);
    font-size: 1rem;
}

.stage-description {
    display: block;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-top: var(--spacing-xs);
}

/* Example Response */
.example-response {
    background: linear-gradient(135deg, #fef9c3 0%, #fef3c7 100%);
    border: 1px solid #fde047;
    border-radius: var(--radius-sm);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.example-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    color: #92400e;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
}

.example-text {
    font-style: italic;
    color: #78350f;
    line-height: 1.6;
}

/* Example Analysis */
.example-analysis {
    background: var(--color-bg);
    border-radius: var(--radius-sm);
    padding: var(--spacing-md);
    font-size: 0.9rem;
}

.analysis-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.analysis-header strong {
    color: var(--color-primary);
}

.confidence {
    font-size: 0.8rem;
    padding: 2px 8px;
    background: var(--color-surface);
    border-radius: 12px;
    color: var(--color-text-muted);
}

.analysis-reasoning {
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.analysis-reasoning strong {
    display: block;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

.analysis-markers strong {
    display: block;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

.analysis-markers ul {
    margin: 0;
    padding-left: var(--spacing-lg);
}

.analysis-markers li {
    margin-bottom: var(--spacing-xs);
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* Mode Selection */
.mode-selection {
    margin-bottom: var(--spacing-xl);
}

.mode-selection h4 {
    margin: 0 0 var(--spacing-md);
    font-size: 0.95rem;
    color: var(--color-text-muted);
}

.mode-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.mode-card {
    background: var(--color-bg);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
    position: relative;
}

.mode-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.mode-card.selected {
    border-color: var(--color-primary);
    background: linear-gradient(135deg, #f0f4ff 0%, #e8f0fe 100%);
}

.mode-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.mode-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.mode-desc {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    line-height: 1.4;
}

.mode-badge {
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--color-primary);
    color: white;
    font-size: 0.65rem;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 10px;
    text-transform: uppercase;
}

/* Timer */
.timer-container {
    margin-bottom: var(--spacing-lg);
}

.timer-bar {
    height: 8px;
    background: var(--color-bg);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: var(--spacing-sm);
}

.timer-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-success) 0%, var(--color-warning) 50%, var(--color-error) 100%);
    background-size: 200% 100%;
    border-radius: 4px;
    transition: width 1s linear;
    width: 100%;
}

.timer-fill.warning {
    animation: timerPulse 0.5s ease-in-out infinite;
}

.timer-fill.danger {
    animation: timerPulse 0.25s ease-in-out infinite;
}

@keyframes timerPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.timer-text {
    text-align: center;
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text);
}

.timer-text.warning {
    color: var(--color-warning);
}

.timer-text.danger {
    color: var(--color-error);
    animation: timerPulse 0.5s ease-in-out infinite;
}

/* Time's Up Overlay */
.times-up-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    animation: fadeIn 0.3s ease;
}

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

.times-up-content {
    background: var(--color-surface);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    text-align: center;
    animation: scaleIn 0.3s ease;
}

@keyframes scaleIn {
    from { transform: scale(0.9); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.times-up-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
    animation: shake 0.5s ease;
}

@keyframes shake {
    0%, 100% { transform: rotate(0deg); }
    25% { transform: rotate(-10deg); }
    75% { transform: rotate(10deg); }
}

.times-up-text {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-error);
    margin-bottom: var(--spacing-sm);
}

.times-up-subtext {
    font-size: 1rem;
    color: var(--color-text-muted);
}

#countdown-seconds {
    font-weight: 600;
    color: var(--color-text);
}

/* Speech Input */
.speech-input-container {
    text-align: center;
}

.speech-status {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.speech-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
    transition: transform 0.2s ease;
}

.speech-icon.recording {
    animation: recordingPulse 1s ease-in-out infinite;
    color: var(--color-error);
}

@keyframes recordingPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

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

.speech-waveform {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    height: 40px;
    margin-bottom: var(--spacing-md);
}

.waveform-bar {
    width: 4px;
    height: 10px;
    background: var(--color-border);
    border-radius: 2px;
    transition: height 0.1s ease;
}

.speech-input-container.recording .waveform-bar {
    background: var(--color-error);
    animation: waveform 0.5s ease-in-out infinite;
}

.speech-input-container.recording .waveform-bar:nth-child(1) { animation-delay: 0s; }
.speech-input-container.recording .waveform-bar:nth-child(2) { animation-delay: 0.1s; }
.speech-input-container.recording .waveform-bar:nth-child(3) { animation-delay: 0.2s; }
.speech-input-container.recording .waveform-bar:nth-child(4) { animation-delay: 0.1s; }
.speech-input-container.recording .waveform-bar:nth-child(5) { animation-delay: 0s; }

@keyframes waveform {
    0%, 100% { height: 10px; }
    50% { height: 30px; }
}

.speech-transcript {
    width: 100%;
    min-height: 100px;
    padding: var(--spacing-md);
    font-size: 1rem;
    font-family: var(--font-sans);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-bg);
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
    text-align: left;
    white-space: pre-wrap;
}

.speech-transcript:empty::before,
.speech-transcript.empty::before {
    content: attr(placeholder);
    color: var(--color-text-muted);
    font-style: italic;
}

.speech-transcript.empty {
    color: transparent;
}

.speech-toggle-btn {
    min-width: 160px;
}

.speech-toggle-btn.recording {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
}

/* Locked Input State */
.response-input.locked,
.speech-transcript.locked {
    background: var(--color-bg);
    border-color: var(--color-text-muted);
    opacity: 0.7;
    cursor: not-allowed;
}

/* Hidden Developer Mode Indicator */
.dev-mode-indicator {
    position: fixed;
    bottom: 10px;
    left: 10px;
    background: var(--color-primary);
    color: white;
    font-size: 0.7rem;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    opacity: 0.6;
    z-index: 100;
}

/* Privacy Notice */
.privacy-notice {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: #f8fafc;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 0.85rem;
}

.privacy-notice h4 {
    margin: 0 0 var(--spacing-sm);
    font-size: 0.95rem;
    color: var(--color-text);
}

.privacy-notice p {
    margin: 0 0 var(--spacing-sm);
    color: var(--color-text-muted);
    line-height: 1.5;
}

.privacy-notice ul {
    margin: 0 0 var(--spacing-sm);
    padding-left: var(--spacing-lg);
    color: var(--color-text-muted);
}

.privacy-notice li {
    margin-bottom: var(--spacing-xs);
    line-height: 1.5;
}

.privacy-notice strong {
    color: var(--color-text);
}

.privacy-warning {
    color: var(--color-warning) !important;
    font-weight: 500;
    margin-top: var(--spacing-md) !important;
    margin-bottom: 0 !important;
}

/* Score Distribution Section */
.score-distribution-section {
    background: var(--color-bg);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    margin: var(--spacing-lg) 0;
}

.score-distribution-chart {
    display: flex;
    align-items: flex-end;
    justify-content: center;
    gap: var(--spacing-sm);
    height: 150px;
    margin-bottom: var(--spacing-md);
}

.distribution-bar {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
    max-width: 60px;
}

.distribution-bar-fill {
    width: 100%;
    background: linear-gradient(to top, var(--color-primary), #8b85f0);
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
    transition: height 0.5s ease;
    min-height: 4px;
}

.distribution-bar-label {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-top: var(--spacing-xs);
}

.distribution-bar-count {
    font-size: 0.7rem;
    color: var(--color-text);
    font-weight: 600;
}

.average-stage-display {
    text-align: center;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-primary);
}

/* Leaderboard Post Section */
.leaderboard-post-section {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border: 1px solid #7dd3fc;
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    margin: var(--spacing-lg) 0;
}

.leaderboard-post-section h3 {
    margin: 0 0 var(--spacing-sm);
    color: var(--color-text);
}

.leaderboard-post-section > p {
    margin: 0 0 var(--spacing-md);
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.leaderboard-post-form {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.leaderboard-name-input {
    flex: 1;
    min-width: 200px;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 1rem;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
}

.leaderboard-name-input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.leaderboard-post-status {
    font-size: 0.9rem;
    margin-bottom: var(--spacing-md);
}

.leaderboard-post-status.success {
    color: var(--color-success);
}

.leaderboard-post-status.error {
    color: var(--color-error);
}

/* Leaderboard Screen */
.leaderboard-container {
    background: var(--color-surface);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.leaderboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.leaderboard-header h2 {
    margin: 0;
}

/* View Toggle */
.leaderboard-view-toggle {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-xs);
    background: var(--color-bg);
    border-radius: var(--radius-md);
    width: fit-content;
}

.view-toggle-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    background: transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--color-text-muted);
    transition: all 0.2s ease;
}

.view-toggle-btn:hover {
    color: var(--color-text);
}

.view-toggle-btn.active {
    background: var(--color-surface);
    color: var(--color-primary);
    font-weight: 500;
    box-shadow: var(--shadow-sm);
}

/* Leaderboard Views */
.leaderboard-view {
    display: none;
}

.leaderboard-view.active {
    display: block;
}

/* Leaderboard Table */
.leaderboard-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: var(--spacing-xl);
}

.leaderboard-table th,
.leaderboard-table td {
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.leaderboard-table th {
    background: var(--color-bg);
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
}

.leaderboard-table tbody tr:hover {
    background: var(--color-bg);
}

.leaderboard-table td.loading {
    text-align: center;
    color: var(--color-text-muted);
    font-style: italic;
    padding: var(--spacing-xl);
}

.leaderboard-table .rank {
    font-weight: 600;
    color: var(--color-primary);
}

.leaderboard-table .rank-1 { color: #f59e0b; }
.leaderboard-table .rank-2 { color: #94a3b8; }
.leaderboard-table .rank-3 { color: #b45309; }

.leaderboard-table .avg-stage {
    font-weight: 600;
}

.leaderboard-table .mode {
    text-transform: capitalize;
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* Distributions Chart */
.distributions-chart {
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg);
    border-radius: var(--radius-md);
    padding: var(--spacing-xl);
}

.chart-placeholder {
    color: var(--color-text-muted);
    font-style: italic;
}

/* Stem Stats Section */
.stem-stats-section {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-border);
}

.stem-stats-section h3 {
    margin: 0 0 var(--spacing-sm);
}

.stem-stats-section > p {
    margin: 0 0 var(--spacing-md);
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.stem-selector {
    margin-bottom: var(--spacing-lg);
}

.stem-selector label {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.stem-selector select {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.95rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    min-width: 300px;
}

.stem-stats-display {
    background: var(--color-bg);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    min-height: 150px;
}

.stem-stats-placeholder {
    color: var(--color-text-muted);
    font-style: italic;
    text-align: center;
    margin: 0;
}

.stem-text-display {
    font-style: italic;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

.stem-distribution-bars {
    display: flex;
    align-items: flex-end;
    gap: var(--spacing-md);
    height: 100px;
}

.stem-bar {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
}

.stem-bar-fill {
    width: 100%;
    max-width: 50px;
    background: linear-gradient(to top, #10b981, #34d399);
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
    transition: height 0.5s ease;
    min-height: 4px;
}

.stem-bar-label {
    font-size: 0.7rem;
    color: var(--color-text-muted);
    margin-top: var(--spacing-xs);
}

.stem-bar-count {
    font-size: 0.65rem;
    color: var(--color-text);
    font-weight: 600;
}

/* Responsive Design */
@media (max-width: 600px) {
    .main-content {
        padding: var(--spacing-md);
    }

    .welcome-content,
    .assessment-container,
    .review-container,
    .results-container {
        padding: var(--spacing-lg);
    }

    .stem-text {
        font-size: 1.25rem;
    }

    .nav-buttons {
        flex-wrap: wrap;
    }

    .nav-buttons .btn {
        flex: 1;
        min-width: unset;
    }

    .export-buttons {
        flex-direction: column;
    }

    .saved-sessions li {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }

    .session-actions {
        width: 100%;
    }

    .session-actions .btn {
        flex: 1;
    }

    /* Mode cards stack on mobile */
    .mode-cards {
        grid-template-columns: 1fr;
    }

    .mode-card {
        padding: var(--spacing-md);
    }

    .mode-icon {
        font-size: 1.5rem;
    }

    .times-up-content {
        padding: var(--spacing-lg);
        margin: var(--spacing-md);
    }

    .times-up-icon {
        font-size: 3rem;
    }

    /* Leaderboard responsive */
    .leaderboard-container {
        padding: var(--spacing-lg);
    }

    .leaderboard-header {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .leaderboard-table {
        font-size: 0.85rem;
    }

    .leaderboard-table th,
    .leaderboard-table td {
        padding: var(--spacing-xs) var(--spacing-sm);
    }

    .leaderboard-post-form {
        flex-direction: column;
    }

    .leaderboard-name-input {
        min-width: 100%;
    }

    .stem-selector select {
        min-width: 100%;
    }
}

/* =========================================================================
   Microphone Test Screen
   ========================================================================= */

.mic-test-container {
    background: var(--color-surface);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    max-width: 600px;
    margin: 0 auto;
}

.mic-test-container h2 {
    margin: 0 0 var(--spacing-sm);
    text-align: center;
}

.mic-test-intro {
    text-align: center;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xl);
}

.mic-test-card {
    background: var(--color-bg);
    border-radius: var(--radius-md);
    padding: var(--spacing-xl);
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.mic-test-status {
    margin-bottom: var(--spacing-lg);
}

.mic-test-icon {
    font-size: 4rem;
    display: block;
    margin-bottom: var(--spacing-sm);
}

.mic-test-icon.recording {
    animation: recordingPulse 1s ease-in-out infinite;
}

.mic-test-text {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

.mic-test-transcript-area {
    margin-bottom: var(--spacing-lg);
}

.mic-test-transcript {
    width: 100%;
    min-height: 80px;
    padding: var(--spacing-md);
    background: var(--color-surface);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 1rem;
    text-align: left;
    white-space: pre-wrap;
}

.mic-test-transcript:empty::before,
.mic-test-transcript.empty::before {
    content: attr(placeholder);
    color: var(--color-text-muted);
    font-style: italic;
}

.mic-test-waveform {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    height: 40px;
    margin-bottom: var(--spacing-lg);
}

.mic-test-card.recording .waveform-bar {
    background: var(--color-error);
    animation: waveform 0.5s ease-in-out infinite;
}

.mic-test-card.recording .waveform-bar:nth-child(1) { animation-delay: 0s; }
.mic-test-card.recording .waveform-bar:nth-child(2) { animation-delay: 0.1s; }
.mic-test-card.recording .waveform-bar:nth-child(3) { animation-delay: 0.2s; }
.mic-test-card.recording .waveform-bar:nth-child(4) { animation-delay: 0.1s; }
.mic-test-card.recording .waveform-bar:nth-child(5) { animation-delay: 0s; }

.mic-test-buttons {
    margin-top: var(--spacing-md);
}

.mic-test-result {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.mic-test-success {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: #d1fae5;
    color: #065f46;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-weight: 500;
}

.success-icon {
    font-size: 1.2rem;
}

.mic-test-actions {
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.mic-test-tips {
    background: #fef3c7;
    border: 1px solid #f59e0b;
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    font-size: 0.85rem;
}

.mic-test-tips h4 {
    margin: 0 0 var(--spacing-sm);
    color: #92400e;
    font-size: 0.9rem;
}

.mic-test-tips ul {
    margin: 0;
    padding-left: var(--spacing-lg);
    color: #78350f;
}

.mic-test-tips li {
    margin-bottom: var(--spacing-xs);
}

/* =========================================================================
   Voice Input Toggle (Easy/Normal modes)
   ========================================================================= */

.input-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--spacing-xs);
}

.voice-toggle {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.85rem;
    padding: var(--spacing-xs) var(--spacing-sm);
}

.voice-toggle:hover {
    background: var(--color-bg);
}

.voice-toggle.unsupported {
    opacity: 0.5;
    cursor: not-allowed;
}

.inline-voice-container {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border: 2px solid #f59e0b;
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-top: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.inline-voice-status {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex: 1;
}

.inline-voice-icon {
    font-size: 1.5rem;
    animation: recordingPulse 1s ease-in-out infinite;
}

.inline-voice-container button {
    white-space: nowrap;
}

/* Hide voice toggle if speech not supported */
.voice-toggle[disabled] {
    display: none;
}

/* =========================================================================
   Scoring Overlay (Batch Scoring Progress)
   ========================================================================= */

.scoring-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1002;
}

.scoring-overlay-content {
    background: var(--color-surface);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    text-align: center;
    max-width: 400px;
    animation: scaleIn 0.3s ease;
}

.scoring-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    margin: 0 auto var(--spacing-lg);
    animation: spin 1s linear infinite;
}

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

.scoring-overlay-content h3 {
    margin: 0 0 var(--spacing-md);
    color: var(--color-text);
}

.scoring-progress {
    margin: 0 0 var(--spacing-sm);
    color: var(--color-primary);
    font-weight: 500;
}

.scoring-stem {
    margin: 0;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    font-style: italic;
}

/* =========================================================================
   Detailed Report Section
   ========================================================================= */

.detailed-report-section {
    background: var(--color-bg);
    border-radius: var(--radius-md);
    margin: var(--spacing-lg) 0;
    overflow: hidden;
}

.detailed-report-toggle {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    cursor: pointer;
    font-weight: 500;
    color: var(--color-text);
}

.detailed-report-toggle:hover {
    background: #e5e7eb;
}

.detailed-report-toggle .toggle-hint {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    font-weight: normal;
}

.detailed-report-content {
    padding: var(--spacing-lg);
    max-height: 600px;
    overflow-y: auto;
}

.report-item {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.report-item:last-child {
    margin-bottom: 0;
}

.report-stem {
    display: flex;
    align-items: baseline;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.report-stem-num {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-primary);
    background: #f0f4ff;
    padding: 2px 8px;
    border-radius: var(--radius-sm);
}

.report-stem-text {
    font-weight: 500;
    color: var(--color-text);
}

.report-response {
    background: #fef3c7;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-md);
    font-style: italic;
    color: #78350f;
    border-left: 3px solid #f59e0b;
}

.report-scoring {
    background: var(--color-bg);
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
}

.report-stage {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    flex-wrap: wrap;
}

.report-stage strong {
    color: var(--color-primary);
}

.report-confidence {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.report-reasoning {
    margin-bottom: var(--spacing-sm);
    line-height: 1.6;
}

.report-reasoning strong {
    color: var(--color-text);
}

.report-markers ul {
    margin: var(--spacing-xs) 0 0;
    padding-left: var(--spacing-lg);
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.report-markers li {
    margin-bottom: var(--spacing-xs);
}

.no-scores {
    text-align: center;
    color: var(--color-text-muted);
    font-style: italic;
    padding: var(--spacing-xl);
}

/* =========================================================================
   Admin Screen
   ========================================================================= */

.admin-container {
    background: var(--color-surface);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.admin-header h2 {
    margin: 0;
}

.admin-section {
    margin-bottom: var(--spacing-xl);
}

.admin-section h3 {
    margin: 0 0 var(--spacing-md);
    font-size: 1.1rem;
    color: var(--color-text);
}

.admin-controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.count-badge {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    background: var(--color-bg);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
}

/* Toggle Switch */
.admin-toggle {
    margin-bottom: var(--spacing-md);
}

.toggle-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    cursor: pointer;
}

.toggle-label input[type="checkbox"] {
    display: none;
}

.toggle-switch {
    position: relative;
    width: 48px;
    height: 26px;
    background: var(--color-border);
    border-radius: 13px;
    transition: background 0.2s ease;
}

.toggle-switch::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 20px;
    height: 20px;
    background: white;
    border-radius: 50%;
    transition: transform 0.2s ease;
    box-shadow: var(--shadow-sm);
}

.toggle-label input[type="checkbox"]:checked + .toggle-switch {
    background: var(--color-success);
}

.toggle-label input[type="checkbox"]:checked + .toggle-switch::after {
    transform: translateX(22px);
}

.toggle-text {
    font-weight: 500;
    color: var(--color-text);
}

.toggle-description {
    margin: var(--spacing-xs) 0 0;
    padding-left: calc(48px + var(--spacing-md));
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* Admin Sessions List */
.admin-sessions-list {
    background: var(--color-bg);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    max-height: 400px;
    overflow-y: auto;
}

.admin-session-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    background: var(--color-surface);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-sm);
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.admin-session-item:last-child {
    margin-bottom: 0;
}

.admin-session-item:hover {
    box-shadow: var(--shadow-sm);
}

.admin-session-item .session-date {
    font-weight: 500;
    color: var(--color-text);
}

.admin-session-item .session-details {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.admin-session-item .session-mode {
    display: inline-block;
    font-size: 0.75rem;
    background: var(--color-primary);
    color: white;
    padding: 2px 6px;
    border-radius: 8px;
    margin-left: var(--spacing-sm);
    text-transform: capitalize;
}

.admin-session-item .session-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

/* Admin Leaderboard List */
.admin-leaderboard-list {
    background: var(--color-bg);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    max-height: 400px;
    overflow-y: auto;
}

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

.admin-table th,
.admin-table td {
    padding: var(--spacing-sm);
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.admin-table th {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    background: var(--color-surface);
}

.admin-table .edit-name {
    width: 100%;
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
}

.admin-table .edit-name:focus {
    outline: none;
    border-color: var(--color-primary);
}

/* Admin Modal */
.admin-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1001;
    padding: var(--spacing-lg);
}

.admin-modal-content {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 700px;
    max-height: 80vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-lg);
}

.admin-modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--color-text-muted);
    line-height: 1;
    padding: 0;
}

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

.admin-modal-body {
    padding: var(--spacing-xl);
    overflow-y: auto;
    position: relative;
}

.admin-modal-body h3 {
    margin: 0 0 var(--spacing-lg);
    padding-right: var(--spacing-xl);
}

.admin-modal-body h4 {
    margin: var(--spacing-lg) 0 var(--spacing-md);
}

.admin-modal-body hr {
    border: none;
    border-top: 1px solid var(--color-border);
    margin: var(--spacing-lg) 0;
}

.session-response-item {
    background: var(--color-bg);
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-md);
}

.session-response-item .stem-label {
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.session-response-item .response-text {
    font-style: italic;
    color: var(--color-text-muted);
}

.session-response-item .response-text em {
    color: var(--color-text-muted);
    font-style: italic;
}

.session-response-item .score-preview {
    margin-top: var(--spacing-sm);
    font-size: 0.85rem;
    color: var(--color-primary);
    background: #f0f4ff;
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
}

/* Empty and Loading States */
.empty-state,
.error-state {
    text-align: center;
    color: var(--color-text-muted);
    font-style: italic;
    padding: var(--spacing-xl);
}

.error-state {
    color: var(--color-error);
}

.loading {
    text-align: center;
    color: var(--color-text-muted);
    font-style: italic;
}

/* Responsive Admin */
@media (max-width: 600px) {
    .admin-container {
        padding: var(--spacing-lg);
    }

    .admin-header {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }

    .admin-session-item {
        flex-direction: column;
        align-items: flex-start;
    }

    .admin-session-item .session-actions {
        width: 100%;
        justify-content: flex-start;
    }

    .admin-table {
        font-size: 0.85rem;
    }

    .admin-table th,
    .admin-table td {
        padding: var(--spacing-xs);
    }

    .admin-modal-content {
        max-height: 90vh;
    }

    .toggle-description {
        padding-left: 0;
        margin-top: var(--spacing-sm);
    }
}