/* Student Evaluation Report - Academic Design */

:root {
    /* Refined Academic Palette */
    --primary-dark: #1a2332;
    --primary-accent: var(--stemblue);
    --secondary-accent: #7c93b3;
    --success: #2e7d32;
    --warning: #ed6c02;
    --danger: #d32f2f;
    --info: #0288d1;

    /* Neutrals */
    --bg-main: #f8f9fb;
    --bg-card: #ffffff;
    --bg-hover: #f0f2f5;
    --border: #e1e5ea;
    --border-strong: #c5cdd6;

    /* Text */
    --text-primary: #1a2332;
    --text-secondary: #5a6c7d;
    --text-tertiary: #8895a6;

    /* Performance Colors */
    --exemplary: #10b981;
    --proficient: #3b82f6;
    --developing: #f59e0b;
    --beginning: #ef4444;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.evaluation-dashboard {
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    max-width: var(--designSize);
    padding-left: var(--gutter-left);
    padding-right: calc(var(--gutter-right) + var(--navMenuRightOffset));
    margin: auto;
}

/* Button Styles */
.evaluation-dashboard .btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 8px;
    border: 2px solid;
    cursor: pointer;
    transition: all 0.2s ease;
}

.evaluation-dashboard .btn-outline-primary {
    color: var(--primary-accent);
    background: white;
    border-color: var(--primary-accent);
}

.evaluation-dashboard .btn-outline-primary:hover {
    color: white;
    background: var(--primary-accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(45, 95, 141, 0.3);
}

.evaluation-dashboard .btn-primary {
    color: var(--stemblue);
    background: var(--stemgreen);
    border-color: var(--stemgreen);
}

.evaluation-dashboard .btn-primary:hover {
    background: #5dfca0;
    border-color: #5dfca0;
    transform: translateY(-2px);
}

/* Alert Styles */
.evaluation-dashboard .alert {
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    border: 1px solid transparent;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.evaluation-dashboard .alert-danger {
    color: var(--danger);
    background-color: #ffebee;
    border-color: #ef4444;
}

.evaluation-dashboard .alert-heading {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

/* Spinner */
.evaluation-dashboard .spinner-border {
    display: inline-block;
    width: 3rem;
    height: 3rem;
    vertical-align: text-bottom;
    border: 0.35em solid var(--primary-accent);
    border-right-color: transparent;
    border-radius: 50%;
    animation: spinner-border 0.75s linear infinite;
}

@keyframes spinner-border {
    to { transform: rotate(360deg); }
}

.evaluation-dashboard .visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Loading Container */
.loading-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 60vh;
    text-align: center;
    background: var(--bg-main);
}

.loading-container p {
    margin-top: var(--spacing-md);
    color: var(--text-secondary);
    font-size: 1.125rem;
}

/* Header Section */
.dashboard-header {
    color: var(--stemblue);
}

.header-content {
    max-width: var(--designSize);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
}

.header-left .report-title {
    font-size: 1.75rem;
    font-weight: 600;
    margin: 0;
}

.header-right {
    display: flex;
    gap: var(--spacing-xl);
}

.header-meta-item {
    text-align: right;
}

.meta-label {
    font-size: 0.625rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 600;
    margin-bottom: 4px;
}

.meta-value {
    font-size: 0.875rem;
    font-weight: 500;
}

/* Overall Performance Card */
.overall-performance-card {
    background: white;
    border-radius: 12px;
    padding: var(--spacing-xl);
    margin: var(--spacing-2xl) var(--spacing-2xl) var(--spacing-lg);
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    border: 1px solid var(--border);
}

.performance-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: var(--spacing-lg);
    border-bottom: 2px solid var(--border);
    margin-bottom: var(--spacing-xl);
}

.performance-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.grade-badge {
    background: var(--stemblue-10);
    color: var(--copy);
    padding: 0.625rem 1.5rem;
    border-radius: 25px;
    font-size: 1.125rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.grade-badge i {
    font-size: 1rem;
}

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

.override-tooltip {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    color: var(--text-secondary);
    border: 1px solid var(--border);
    background: var(--bg-card);
    border-radius: 999px;
    padding: 0.45rem 0.75rem;
    font-size: 0.8225rem;
    font-weight: 600;
    cursor: default;
}

.override-tooltip i {
    color: var(--primary-accent);
    font-size: 0.9rem;
}

.override-tooltip-content {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 220px;
    background: var(--stempink-50);
    color: var(--stemblack);
    border-radius: 8px;
    padding: 0.65rem 0.8rem;
    font-size: 0.8rem;
    line-height: 1.4;
    box-shadow: 0 8px 18px rgba(0, 0, 0, 0.18);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-4px);
    transition: opacity 0.15s ease, transform 0.15s ease;
    z-index: 5;
}

.override-tooltip:hover .override-tooltip-content,
.override-tooltip:focus-within .override-tooltip-content,
.override-tooltip:focus .override-tooltip-content {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.override-tooltip-content::before {
    content: "";
    position: absolute;
    top: -6px;
    right: 16px;
    width: 12px;
    height: 12px;
    background: var(--stempink-50);
    transform: rotate(45deg);
}

.performance-metrics {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.performance-metric {
    background: var(--stemblue-10);
    padding: var(--spacing-lg);
    border-radius: 8px;
}

.performance-metric .metric-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.metric-value-large {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--copy);
    margin: var(--spacing-xs) 0;
}

.metric-subtitle {
    font-size: 0.8225rem;
    color: var(--text-tertiary);
    margin-top: var(--spacing-xs);
}

.ready-badge {
    color: var(--success);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.ready-badge i {
    font-size: 0.875rem;
}

/* Tab Navigation */
.tab-navigation {
    display: flex;
    gap: var(--spacing-xs);
    margin: 0 auto var(--spacing-lg);
    border-bottom: 2px solid var(--border);
    padding: 0 var(--spacing-2xl);
    max-width: 1400px;
}

.tab-button {
    padding: var(--spacing-md) var(--spacing-lg);
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-secondary);
    transition: all 0.2s ease;
    position: relative;
    bottom: -2px;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.tab-button:hover {
    color: var(--text-primary);
}

.tab-button.active {
    color: var(--primary-accent);
    border-bottom-color: var(--primary-accent);
}

.tab-button i {
    font-size: 1.1rem;
}

/* Tab Content */
.tab-content {
    max-width: var(--designSize);
    margin: 0 auto;
    padding: 0 var(--spacing-2xl) var(--spacing-2xl);
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

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

.tab-panel {
    min-height: 400px;
}

.section-title {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xl);
}

.assessment-title-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.assessment-title-row .section-title {
    margin-bottom: 0;
}

.assessment-state-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    border: 1px solid transparent;
    white-space: nowrap;
}

.assessment-state-badge.not-started {
    color: var(--text-secondary);
    background: var(--bg-hover);
    border-color: var(--border);
}

.assessment-state-badge.in-progress {
    color: #8a5200;
    background: #fff3e0;
    border-color: #ffcc80;
}

.assessment-state-badge.submitted {
    color: #1f5fa8;
    background: #e3f2fd;
    border-color: #90caf9;
}

.assessment-state-badge.released {
    color: #1b5e20;
    background: #e8f5e9;
    border-color: #a5d6a7;
}

/* Educator Assessment */
.assessment-editor-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: var(--spacing-xl);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.assessment-status {
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 8px;
    font-weight: 500;
}

.assessment-status.success {
    color: var(--success);
    background: rgba(46, 125, 50, 0.08);
    border: 1px solid rgba(46, 125, 50, 0.2);
}

.assessment-status.error {
    color: var(--danger);
    background: rgba(211, 47, 47, 0.08);
    border: 1px solid rgba(211, 47, 47, 0.2);
}

.assessment-meta {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-lg);
}

.assessment-field {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: var(--spacing-lg);
}

.assessment-field label {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
}

.assessment-textarea,
.assessment-input {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.75rem 0.875rem;
    font-size: 0.95rem;
    color: var(--text-primary);
    background: #fff;
}

.assessment-textarea:focus,
.assessment-input:focus {
    outline: none;
    border-color: var(--primary-accent);
    box-shadow: 0 0 0 3px rgba(77, 46, 253, 0.12);
}

.assessment-textarea:disabled,
.assessment-input:disabled {
    background: var(--bg-hover);
    color: var(--text-secondary);
    cursor: not-allowed;
}

.assessment-override-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(220px, 1fr));
    gap: var(--spacing-lg);
}

.assessment-actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-md);
    margin-top: var(--spacing-sm);
}

/* Puzzle Cards */
.puzzles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(450px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.puzzle-card {
    background: var(--bg-card);
    border-radius: 12px;
    padding: var(--spacing-lg);
    border: 1px solid var(--border);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    transition: all 0.2s ease;
    animation: slideIn 0.4s ease;
    animation-fill-mode: both;
}

.puzzle-card:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    border-color: var(--border-strong);
    transform: translateY(-2px);
}

.puzzle-card:nth-child(1) { animation-delay: 0.05s; }
.puzzle-card:nth-child(2) { animation-delay: 0.1s; }
.puzzle-card:nth-child(3) { animation-delay: 0.15s; }
.puzzle-card:nth-child(4) { animation-delay: 0.2s; }
.puzzle-card:nth-child(5) { animation-delay: 0.25s; }

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

.puzzle-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border);
    cursor: pointer;
}

.puzzle-title-section {
    flex: 1;
}

.puzzle-name {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: var(--spacing-xs) 0;
}

.puzzle-type-badge {
    display: inline-block;
    background: var(--bg-hover);
    color: var(--text-secondary);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: var(--spacing-xs);
}

.puzzle-grade-section {
    text-align: right;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.puzzle-grade {
    font-size: 1.75rem;
    font-weight: 700;
}

.puzzle-details {
    padding-top: var(--spacing-md);
}

.detail-section {
    margin-bottom: var(--spacing-lg);
}

.detail-section:last-child {
    margin-bottom: 0;
}

.detail-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-sm);
}

.detail-text {
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
    font-size: 0.9375rem;
}

/* Rubric Scores - Inline Display */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.metric-item {
    background: var(--bg-hover);
    padding: var(--spacing-md);
    border-radius: 8px;
}

.metric-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin-bottom: var(--spacing-xs);
}

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

.metric-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: baseline;
    gap: 4px;
}

.metric-value span {
    font-size: 1rem;
    color: var(--text-tertiary);
}

/* Progress Bar */
.progress-bar {
    width: 100%;
    height: 6px;
    background: var(--border);
    border-radius: 3px;
    overflow: hidden;
    margin-top: var(--spacing-xs);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-accent), var(--secondary-accent));
    border-radius: 3px;
    transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.rubric-level {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    margin-top: 2px;
}

/* Expandable Sections */
.expandable {
    margin-top: var(--spacing-md);
    border-top: 1px solid var(--border);
    padding-top: var(--spacing-md);
}

.expand-trigger {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary-accent);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) 0;
    transition: all 0.2s ease;
}

.expand-trigger:hover {
    color: var(--primary-dark);
}

.expand-icon {
    transition: transform 0.2s ease;
    font-size: 0.75rem;
}

.expand-trigger.expanded .expand-icon {
    transform: rotate(90deg);
}

.expand-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.expand-content.open {
    max-height: 800px;
    margin-top: var(--spacing-md);
}

/* Rationale Box */
.rationale-box {
    padding: var(--spacing-md);
    background: var(--stemblue-10);
    border-radius: 8px;
    border-left: 3px solid var(--secondary-accent);
    margin-bottom: var(--spacing-sm);
}

.rationale-box p {
    margin: 0;
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.875rem;
}

.rationale-box strong {
    color: var(--text-primary);
    font-weight: 600;
}

/* Insight Items within Puzzle Cards */
.insight-item {
    padding: var(--spacing-md);
    border-radius: 8px;
    margin-top: var(--spacing-md);
    background: var(--bg-hover);
    border-left: 3px solid var(--primary-accent);
}

.insight-item.bg-success {
    background: #e8f5e9;
    border-left-color: var(--success);
}

.insight-item.bg-warning {
    background: #fff4e5;
    border-left-color: var(--warning);
}

.insight-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-xs);
}

.insight-text {
    font-size: 0.9375rem;
    color: var(--text-primary);
    line-height: 1.6;
    margin: 0;
}

/* Key Quote */
.key-quote {
    background: linear-gradient(135deg, #f8f9fb 0%, #ffffff 100%);
    padding: var(--spacing-md);
    border-radius: 8px;
    border-left: 4px solid var(--primary-accent);
    margin: var(--spacing-md) 0;
    font-style: italic;
    color: var(--text-secondary);
    position: relative;
    font-size: 0.9375rem;
}

.key-quote::before {
    content: '"';
    font-size: 3rem;
    position: absolute;
    top: -10px;
    left: 10px;
    color: var(--border-strong);
    opacity: 0.3;
}

.key-quote .detail-text,
.quote-text {
    position: relative;
    z-index: 1;
    padding-left: var(--spacing-md);
}

/* Analysis Cards */
.analysis-sections {
    display: grid;
    gap: var(--spacing-lg);
}

.analysis-card {
    background: var(--bg-card);
    border-radius: 12px;
    padding: var(--spacing-xl);
    border: 1px solid var(--border);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.analysis-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.analysis-header i {
    font-size: 1.5rem;
}

.analysis-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.strength-card {
    border-left: 4px solid var(--success);
}

.strength-card .analysis-header i {
    color: var(--success);
}

.improvement-card {
    border-left: 4px solid var(--warning);
}

.improvement-card .analysis-header i {
    color: var(--warning);
}

.pattern-card {
    border-left: 4px solid var(--primary-accent);
}

.pattern-card .analysis-header i {
    color: var(--primary-accent);
}

.approach-card {
    border-left: 4px solid var(--info);
}

.approach-card .analysis-header i {
    color: var(--info);
}

.analysis-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.analysis-list li {
    padding: var(--spacing-sm) var(--spacing-md);
    margin-bottom: var(--spacing-xs);
    background: white;
    border-radius: 6px;
    border: 1px solid var(--border);
    font-size: 0.875rem;
    color: var(--text-secondary);
    display: flex;
    align-items: start;
    gap: var(--spacing-sm);
}

.analysis-list li::before {
    content: '•';
    color: var(--primary-accent);
    font-weight: 700;
    font-size: 1.2rem;
    line-height: 1;
}

.analysis-text {
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
    font-size: 0.9375rem;
}

/* Feedback Cards */
.feedback-sections {
    display: grid;
    gap: var(--spacing-lg);
}

.feedback-card {
    background: var(--bg-card);
    border-radius: 12px;
    padding: var(--spacing-xl);
    border: 1px solid var(--border);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.feedback-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.feedback-header i {
    font-size: 1.5rem;
}

.feedback-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.primary-feedback {
    background: linear-gradient(135deg, rgba(45, 95, 141, 0.05) 0%, rgba(124, 147, 179, 0.05) 100%);
    border: 2px solid var(--border);
}

.primary-feedback .feedback-header i {
    color: var(--primary-accent);
}

.feedback-text {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 0.9375rem;
    margin: 0;
}

.encouragement {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.05) 0%, rgba(59, 130, 246, 0.05) 100%);
    border: 2px solid rgba(16, 185, 129, 0.3);
}

.encouragement .feedback-header i {
    color: var(--success);
}

.encouragement-text {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 0.9375rem;
    font-style: italic;
    margin: 0;
}

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

.feedback-item {
    display: flex;
    gap: var(--spacing-sm);
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.875rem;
    padding: var(--spacing-sm) 0;
}

.feedback-bullet {
    color: var(--primary-accent);
    font-weight: 700;
    font-size: 1.2rem;
    line-height: 1;
}

/* Recommendations Grid */
.recommendations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.recommendation-card {
    background: var(--bg-card);
    padding: var(--spacing-lg);
    border-radius: 8px;
    border: 1px solid var(--border);
    border-left: 4px solid var(--border-strong);
}

.recommendation-card.high {
    border-left-color: var(--danger);
}

.recommendation-card.medium {
    border-left-color: var(--warning);
}

.recommendation-card.low {
    border-left-color: var(--info);
}

.recommendation-card i {
    color: var(--success);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
    display: block;
}

.recommendation-card p {
    margin: var(--spacing-xs) 0 0 0;
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.875rem;
}

.recommendation-card strong {
    color: var(--text-primary);
    font-weight: 600;
}

/* Metadata Grid */
.metadata-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
}

.metadata-card {
    background: var(--bg-card);
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    overflow: hidden;
    border: 1px solid var(--border);
}

.metadata-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg) var(--spacing-xl);
    border-bottom: 2px solid var(--border);
}

.metadata-header i {
    font-size: 1.5rem;
    color: var(--primary-accent);
}

.metadata-header h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.metadata-content {
    padding: var(--spacing-xl);
}

.metadata-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--border);
}

.metadata-row:last-child {
    border-bottom: none;
}

.metadata-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.metadata-value {
    font-size: 0.9375rem;
    color: var(--text-primary);
    font-weight: 600;
    text-align: right;
}

/* Empty State */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl);
    text-align: center;
    color: var(--text-tertiary);
}

.empty-state i {
    font-size: 3rem;
    color: var(--primary-accent);
    margin-bottom: var(--spacing-md);
}

.empty-state p {
    margin: 0;
    font-size: 1.125rem;
}

/* Utility Classes */
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-danger { color: var(--danger); }
.text-info { color: var(--info); }

.bg-success { background-color: #e8f5e9; }
.bg-warning { background-color: #fff4e5; }
.bg-danger { background-color: #ffebee; }
.bg-info { background-color: #e3f2fd; }

/* Responsive Design */
@media (max-width: 1024px) {
    .header-content {
        grid-template-columns: 1fr;
    }

    .grade-summary-card {
        max-width: 100%;
    }

    .puzzles-grid {
        grid-template-columns: 1fr;
    }

    .metadata-grid,
    .recommendations-grid {
        grid-template-columns: 1fr;
    }

    .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .dashboard-header {
        padding: var(--spacing-lg);
    }

    .tab-navigation {
        padding: 0 var(--spacing-md);
        overflow-x: auto;
        flex-wrap: nowrap;
    }

    .tab-content {
        padding: 0 var(--spacing-md) var(--spacing-md);
    }

    .student-info .student-name {
        font-size: 1.5rem;
    }

    .meta-info {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .tab-button {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.875rem;
        white-space: nowrap;
    }

    .metrics-grid {
        grid-template-columns: 1fr;
    }

    .puzzle-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }

    .puzzle-grade-section {
        width: 100%;
        justify-content: space-between;
    }
}

/* Print Styles */
@media print {
    .tab-navigation, .dashboard-header .btn {
        display: none;
    }

    .tab-content {
        display: block !important;
    }

    .puzzle-card {
        page-break-inside: avoid;
    }
}