/* Smart Grade Calculator WordPress Plugin Styles */

.smart-grade-calculator, 
.smart-gpa-calculator,
.smart-final-grade-calculator,
.smart-weighted-grade-calculator,
.smart-grade-conversion-calculator {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    max-width: 800px;
    margin: 20px auto;
    padding: 0;
}

.sgc-container {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

/* Dark theme */
[data-theme="dark"] .sgc-container {
    background: #1e293b;
    border-color: #334155;
    color: #f1f5f9;
}

.sgc-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    border-bottom: 1px solid #e2e8f0;
    padding-bottom: 16px;
}

[data-theme="dark"] .sgc-header {
    border-bottom-color: #334155;
}

.sgc-title {
    font-size: 24px;
    font-weight: 600;
    margin: 0;
    color: #1e293b;
}

[data-theme="dark"] .sgc-title {
    color: #f1f5f9;
}

.sgc-theme-toggle {
    background: #f1f5f9;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    padding: 8px 12px;
    cursor: pointer;
    font-size: 16px;
    transition: all 0.2s;
}

.sgc-theme-toggle:hover {
    background: #e2e8f0;
}

[data-theme="dark"] .sgc-theme-toggle {
    background: #334155;
    border-color: #475569;
    color: #f1f5f9;
}

[data-theme="dark"] .sgc-theme-toggle:hover {
    background: #475569;
}

/* Calculator Layout */
.sgc-calculator {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    margin-bottom: 32px;
}

@media (max-width: 768px) {
    .sgc-calculator {
        grid-template-columns: 1fr;
        gap: 24px;
    }
}

.sgc-inputs {
    space-y: 24px;
}

.sgc-input-group {
    margin-bottom: 20px;
}

.sgc-input-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 8px;
    color: #374151;
}

[data-theme="dark"] .sgc-input-group label {
    color: #d1d5db;
}

.sgc-input-group input,
.sgc-input-group select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.2s;
}

.sgc-input-group input:focus,
.sgc-input-group select:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

[data-theme="dark"] .sgc-input-group input,
[data-theme="dark"] .sgc-input-group select {
    background: #334155;
    border-color: #475569;
    color: #f1f5f9;
}

[data-theme="dark"] .sgc-input-group input:focus,
[data-theme="dark"] .sgc-input-group select:focus {
    border-color: #60a5fa;
}

.sgc-calculate-btn {
    width: 100%;
    background: #3b82f6;
    color: white;
    border: none;
    border-radius: 8px;
    padding: 12px 24px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s;
}

.sgc-calculate-btn:hover {
    background: #2563eb;
}

/* Results */
.sgc-results {
    background: #f8fafc;
    border-radius: 12px;
    padding: 32px;
    text-align: center;
}

[data-theme="dark"] .sgc-results {
    background: #0f172a;
}

.sgc-percentage {
    font-size: 48px;
    font-weight: 700;
    color: #3b82f6;
    margin-bottom: 8px;
}

.sgc-letter-grade {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 16px;
    color: #1e293b;
}

[data-theme="dark"] .sgc-letter-grade {
    color: #f1f5f9;
}

.sgc-description {
    color: #6b7280;
    margin-bottom: 20px;
}

[data-theme="dark"] .sgc-description {
    color: #9ca3af;
}

.sgc-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
}

.sgc-export-btn, .sgc-share-btn {
    background: #f1f5f9;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    padding: 8px 16px;
    cursor: pointer;
    transition: background-color 0.2s;
}

.sgc-export-btn:hover, .sgc-share-btn:hover {
    background: #e2e8f0;
}

[data-theme="dark"] .sgc-export-btn,
[data-theme="dark"] .sgc-share-btn {
    background: #334155;
    border-color: #475569;
    color: #f1f5f9;
}

/* Chart */
.sgc-chart h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 16px;
    color: #1e293b;
}

[data-theme="dark"] .sgc-chart h3 {
    color: #f1f5f9;
}

.sgc-grade-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.sgc-grade-table th,
.sgc-grade-table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid #e2e8f0;
}

[data-theme="dark"] .sgc-grade-table th,
[data-theme="dark"] .sgc-grade-table td {
    border-bottom-color: #334155;
}

.sgc-grade-table th {
    font-weight: 600;
    color: #374151;
    background: #f8fafc;
}

[data-theme="dark"] .sgc-grade-table th {
    color: #d1d5db;
    background: #0f172a;
}

.sgc-grade-table td {
    color: #6b7280;
}

[data-theme="dark"] .sgc-grade-table td {
    color: #9ca3af;
}

.grade-a { color: #059669; font-weight: 600; }
.grade-b { color: #2563eb; font-weight: 600; }
.grade-c { color: #d97706; font-weight: 600; }
.grade-f { color: #dc2626; font-weight: 600; }

/* GPA Calculator Specific */
.sgc-course-row, .sgc-assignment-row {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr auto;
    gap: 12px;
    margin-bottom: 16px;
    align-items: end;
}

.sgc-course-row input,
.sgc-course-row select,
.sgc-assignment-row input {
    padding: 8px 12px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    font-size: 14px;
}

[data-theme="dark"] .sgc-course-row input,
[data-theme="dark"] .sgc-course-row select,
[data-theme="dark"] .sgc-assignment-row input {
    background: #334155;
    border-color: #475569;
    color: #f1f5f9;
}

.sgc-remove-btn {
    background: #ef4444;
    color: white;
    border: none;
    border-radius: 4px;
    padding: 8px 12px;
    cursor: pointer;
    font-weight: 600;
}

.sgc-remove-btn:hover {
    background: #dc2626;
}

.sgc-gpa-actions, .sgc-weighted-actions, .sgc-final-actions {
    display: flex;
    gap: 12px;
    margin: 20px 0;
    justify-content: center;
}

.sgc-add-course-btn, .sgc-add-assignment-btn {
    background: #10b981;
    color: white;
    border: none;
    border-radius: 6px;
    padding: 10px 20px;
    cursor: pointer;
    font-weight: 500;
}

.sgc-add-course-btn:hover, .sgc-add-assignment-btn:hover {
    background: #059669;
}

.sgc-gpa-result, .sgc-weighted-results, .sgc-final-result, .sgc-conversion-result {
    background: #f8fafc;
    border-radius: 12px;
    padding: 24px;
    text-align: center;
    margin-top: 20px;
}

[data-theme="dark"] .sgc-gpa-result,
[data-theme="dark"] .sgc-weighted-results,
[data-theme="dark"] .sgc-final-result,
[data-theme="dark"] .sgc-conversion-result {
    background: #0f172a;
}

.sgc-gpa-value, .sgc-weighted-percentage, .sgc-required-score, .sgc-converted-value {
    font-size: 48px;
    font-weight: 700;
    color: #3b82f6;
    margin-bottom: 8px;
}

.sgc-gpa-label, .sgc-weighted-letter, .sgc-final-label, .sgc-conversion-label {
    font-size: 16px;
    color: #6b7280;
}

[data-theme="dark"] .sgc-gpa-label,
[data-theme="dark"] .sgc-weighted-letter,
[data-theme="dark"] .sgc-final-label,
[data-theme="dark"] .sgc-conversion-label {
    color: #9ca3af;
}

.sgc-weight-total, .sgc-final-message {
    font-size: 14px;
    color: #6b7280;
    margin-top: 12px;
}

[data-theme="dark"] .sgc-weight-total,
[data-theme="dark"] .sgc-final-message {
    color: #9ca3af;
}