/* Convergence Calculator - Minimal Design */

.cc-calculator-wrapper {
    max-width: 800px !important;
    margin: 0 auto !important;
    padding: 20px !important;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif !important;
    color: #333 !important;
}

.cc-calculator {
    background: #fff !important;
    border: 1px solid #e0e0e0 !important;
    border-radius: 8px !important;
    padding: 30px !important;
    color: #333 !important;
}

.cc-calculator * {
    color: inherit;
}

.cc-title {
    font-size: 24px !important;
    font-weight: 600 !important;
    color: #1a1a1a !important;
    margin: 0 0 24px 0 !important;
    text-align: center !important;
}

/* Input Section */
.cc-input-section {
    margin-bottom: 20px !important;
}

.cc-label {
    display: block !important;
    font-size: 14px !important;
    font-weight: 500 !important;
    color: #333 !important;
    margin-bottom: 8px !important;
}

.cc-textarea {
    width: 100% !important;
    padding: 12px !important;
    font-family: "SF Mono", "Monaco", "Inconsolata", "Roboto Mono", monospace !important;
    font-size: 16px !important;
    color: #333 !important;
    background: #fff !important;
    border: 1px solid #ccc !important;
    border-radius: 6px !important;
    resize: vertical !important;
    box-sizing: border-box !important;
    transition: border-color 0.2s !important;
}

.cc-textarea:focus {
    outline: none !important;
    border-color: #0073aa !important;
    box-shadow: 0 0 0 2px rgba(0, 115, 170, 0.1) !important;
}

.cc-hint {
    font-size: 12px !important;
    color: #666 !important;
    margin: 8px 0 16px 0 !important;
}

/* Example Buttons */
.cc-examples {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    margin-bottom: 20px;
}

.cc-examples-label {
    font-size: 13px;
    color: #555;
    margin-right: 4px;
}

.cc-example-btn {
    padding: 6px 12px !important;
    font-family: "SF Mono", "Monaco", "Inconsolata", "Roboto Mono", monospace !important;
    font-size: 13px !important;
    color: #333 !important;
    background: #f5f5f5 !important;
    border: 1px solid #bbb !important;
    border-radius: 4px !important;
    cursor: pointer !important;
    transition: all 0.2s !important;
    text-decoration: none !important;
}

.cc-example-btn:hover {
    color: #111 !important;
    background: #e0e0e0 !important;
    border-color: #999 !important;
}

.cc-example-btn:focus {
    outline: 2px solid #0073aa !important;
    outline-offset: 2px !important;
}

/* Calculate Button */
.cc-calculate-btn {
    display: block;
    width: 100%;
    padding: 14px 24px;
    font-size: 16px;
    font-weight: 500;
    color: #fff;
    background: #0073aa;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.2s;
}

.cc-calculate-btn:hover {
    background: #005a87;
}

.cc-calculate-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
}

/* Loading */
.cc-loading {
    text-align: center !important;
    padding: 30px !important;
    color: #666 !important;
}

.cc-spinner {
    display: inline-block !important;
    width: 20px !important;
    height: 20px !important;
    border: 2px solid #ddd !important;
    border-top-color: #0073aa !important;
    border-radius: 50% !important;
    animation: cc-spin 0.8s linear infinite !important;
    margin-right: 8px !important;
    vertical-align: middle !important;
}

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

/* Results Section */
.cc-results {
    margin-top: 30px !important;
    padding-top: 30px !important;
    border-top: 1px solid #e0e0e0 !important;
}

.cc-results-summary {
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    gap: 16px !important;
    margin-bottom: 30px !important;
}

@media (max-width: 500px) {
    .cc-results-summary {
        grid-template-columns: 1fr !important;
    }
}

.cc-result-card {
    background: #f8f9fa !important;
    border: 1px solid #e0e0e0 !important;
    border-radius: 6px !important;
    padding: 20px !important;
    text-align: center !important;
}

.cc-result-label {
    display: block !important;
    font-size: 13px !important;
    color: #666 !important;
    margin-bottom: 8px !important;
}

.cc-result-value {
    display: block !important;
    font-family: "SF Mono", "Monaco", "Inconsolata", "Roboto Mono", monospace !important;
    font-size: 20px !important;
    font-weight: 600 !important;
    color: #1a1a1a !important;
}

/* Solution Steps */
.cc-solution-title {
    font-size: 18px !important;
    font-weight: 600 !important;
    color: #1a1a1a !important;
    margin: 0 0 20px 0 !important;
}

.cc-steps {
    display: flex !important;
    flex-direction: column !important;
    gap: 16px !important;
}

.cc-step {
    background: #fafafa !important;
    border: 1px solid #e8e8e8 !important;
    border-radius: 6px !important;
    padding: 16px !important;
}

.cc-step-header {
    display: flex !important;
    align-items: center !important;
    gap: 12px !important;
    margin-bottom: 12px !important;
}

.cc-step-number {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: 28px !important;
    height: 28px !important;
    min-width: 28px !important;
    background: #0073aa !important;
    color: #fff !important;
    font-size: 14px !important;
    font-weight: 600 !important;
    border-radius: 50% !important;
    flex-shrink: 0 !important;
}

.cc-step-title {
    font-size: 15px !important;
    font-weight: 600 !important;
    color: #1a1a1a !important;
}

.cc-step-content {
    padding-left: 40px !important;
}

.cc-step-explanation {
    font-size: 14px !important;
    color: #444 !important;
    margin: 0 0 10px 0 !important;
    line-height: 1.5 !important;
}

.cc-step-formula {
    font-family: "SF Mono", "Monaco", "Inconsolata", "Roboto Mono", monospace !important;
    font-size: 14px !important;
    background: #fff !important;
    border: 1px solid #e0e0e0 !important;
    border-radius: 4px !important;
    padding: 10px 14px !important;
    margin: 10px 0 !important;
    color: #333 !important;
}

.cc-step-calculation {
    font-family: "SF Mono", "Monaco", "Inconsolata", "Roboto Mono", monospace !important;
    font-size: 13px !important;
    background: #fff !important;
    border: 1px solid #e0e0e0 !important;
    border-radius: 4px !important;
    padding: 10px 14px !important;
    margin: 10px 0 !important;
    color: #555 !important;
    white-space: pre-wrap !important;
}

.cc-step-result {
    font-size: 14px !important;
    font-weight: 500 !important;
    color: #0073aa !important;
    margin-top: 8px !important;
}

/* Error Message */
.cc-error {
    background: #fef2f2 !important;
    border: 1px solid #fecaca !important;
    border-radius: 6px !important;
    padding: 16px !important;
    color: #dc2626 !important;
    font-size: 14px !important;
    margin-top: 20px !important;
}

/* Sections */
.cc-section {
    margin-top: 40px !important;
    padding-top: 30px !important;
    border-top: 1px solid #e0e0e0 !important;
}

.cc-section-title {
    font-size: 20px !important;
    font-weight: 600 !important;
    color: #1a1a1a !important;
    margin: 0 0 8px 0 !important;
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
}

.cc-icon {
    font-size: 20px !important;
    color: #0073aa !important;
}

.cc-section-desc {
    font-size: 14px !important;
    color: #666 !important;
    margin: 0 0 20px 0 !important;
}

/* Example Problems Grid */
.cc-examples-grid {
    display: grid !important;
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 16px !important;
    width: 100% !important;
    box-sizing: border-box !important;
}

@media (max-width: 768px) {
    .cc-examples-grid {
        grid-template-columns: 1fr !important;
    }
}

.cc-example-card {
    background: #fff !important;
    border: 1px solid #e0e0e0 !important;
    border-radius: 8px !important;
    padding: 20px !important;
    box-sizing: border-box !important;
    display: block !important;
    width: auto !important;
    min-width: 0 !important;
    float: none !important;
    clear: none !important;
}

.cc-example-title {
    font-size: 16px !important;
    font-weight: 600 !important;
    color: #1a1a1a !important;
    margin: 0 0 8px 0 !important;
}

.cc-example-desc {
    font-size: 13px !important;
    color: #666 !important;
    margin: 0 0 16px 0 !important;
}

.cc-example-formula {
    background: #f5f5f5 !important;
    border-radius: 6px !important;
    padding: 12px !important;
    font-family: "SF Mono", "Monaco", "Inconsolata", "Roboto Mono", monospace !important;
    font-size: 14px !important;
    color: #333 !important;
    text-align: center !important;
    margin-bottom: 16px !important;
}

.cc-try-btn {
    display: block !important;
    width: 100% !important;
    padding: 10px 16px !important;
    font-size: 14px !important;
    font-weight: 500 !important;
    color: #333 !important;
    background: #fff !important;
    border: 1px solid #ccc !important;
    border-radius: 6px !important;
    cursor: pointer !important;
    transition: all 0.2s !important;
}

.cc-try-btn:hover {
    background: #f5f5f5 !important;
    border-color: #999 !important;
}

/* Accordion */
.cc-accordion {
    border: 1px solid #e0e0e0 !important;
    border-radius: 8px !important;
    overflow: hidden !important;
}

.cc-accordion-item {
    border-bottom: 1px solid #e0e0e0 !important;
}

.cc-accordion-item:last-child {
    border-bottom: none !important;
}

.cc-accordion-trigger {
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    width: 100% !important;
    padding: 16px 20px !important;
    font-size: 15px !important;
    font-weight: 500 !important;
    color: #333 !important;
    background: #fff !important;
    border: none !important;
    cursor: pointer !important;
    text-align: left !important;
    transition: background 0.2s !important;
}

.cc-accordion-trigger:hover {
    background: #f9f9f9 !important;
}

.cc-accordion-arrow {
    font-size: 14px !important;
    color: #666 !important;
    transition: transform 0.2s !important;
}

.cc-accordion-item.active .cc-accordion-arrow {
    transform: rotate(180deg) !important;
}

.cc-accordion-content {
    display: none !important;
    padding: 0 20px 20px 20px !important;
    background: #fff !important;
}

.cc-accordion-item.active .cc-accordion-content {
    display: block !important;
}

.cc-accordion-content p {
    font-size: 14px !important;
    color: #555 !important;
    margin: 0 0 12px 0 !important;
    line-height: 1.6 !important;
}

.cc-formula-box {
    background: #f5f5f5 !important;
    border-radius: 6px !important;
    padding: 12px 16px !important;
    font-family: "SF Mono", "Monaco", "Inconsolata", "Roboto Mono", monospace !important;
    font-size: 14px !important;
    color: #333 !important;
    margin: 12px 0 !important;
}

.cc-syntax-list {
    margin: 12px 0 0 0 !important;
    padding-left: 20px !important;
    list-style: disc !important;
}

.cc-syntax-list li {
    font-size: 14px !important;
    color: #555 !important;
    margin-bottom: 8px !important;
}

.cc-syntax-list code {
    background: #f0f0f0 !important;
    padding: 2px 6px !important;
    border-radius: 4px !important;
    font-family: "SF Mono", "Monaco", "Inconsolata", "Roboto Mono", monospace !important;
    font-size: 13px !important;
    color: #333 !important;
}