@charset "UTF-8";
:root {
    --focal-primary: #0f4c81;
    --focal-primary-light: rgba(15, 76, 129, 0.1);
    --focal-primary-hover: #0a3a63;
    --focal-secondary: #0FC6C2;
    --focal-neutral: #F5F7FA;
    --focal-dark: #1D2129;
    --focal-success: #14C9C9;
    --focal-warning: #F7BA1E;
    --focal-gray-50: #f9fafb;
    --focal-gray-100: #f3f4f6;
    --focal-gray-200: #e5e7eb;
    --focal-gray-300: #d1d5db;
    --focal-gray-400: #9ca3af;
    --focal-gray-500: #6b7280;
    --focal-gray-600: #4b5563;
    --focal-gray-700: #374151;
    --focal-gray-800: #1f2937;
    --focal-radius-sm: 0.375rem;
    --focal-radius-md: 0.5rem;
    --focal-radius-lg: 0.75rem;
    --focal-radius-xl: 1rem;
}

.focal-container {
    min-height: auto;
    background: var(--focal-neutral);
    font-family: Helvetica, 'Microsoft YaHei', Arial, sans-serif;
    color: var(--focal-dark);
}

.focal-inner {
    max-width: 1152px;
    margin: 0 auto;
    padding: 1rem 1rem;
}

.focal-main {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 1024px) {
    .focal-main {
        grid-template-columns: repeat(12, 1fr);
    }
    .focal-form-section { grid-column: span 5; }
    .focal-result-section { grid-column: span 7; }
}

.focal-card {
    background: #fff;
    border-radius: var(--focal-radius-xl);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    padding: 1.5rem;
}

.focal-section-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
    display: flex;
    align-items: center;
}

.focal-section-title i {
    color: var(--focal-primary);
    margin-right: 0.5rem;
}

.focal-form-group { margin-bottom: 1.25rem; }

.focal-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--focal-gray-700);
    margin-bottom: 0.25rem;
}

.focal-input {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--focal-gray-300);
    border-radius: var(--focal-radius-md);
    outline: none;
    transition: all 0.2s ease-in-out;
    font-size: 0.875rem;
}

.focal-input:focus {
    border-color: var(--focal-primary);
    box-shadow: 0 0 0 3px rgba(15, 76, 129, 0.15);
}

.focal-input[readonly] {
    background: var(--focal-gray-50);
}

.focal-input-wrapper {
    position: relative;
}

.focal-shape-select {
    position: absolute;
    right: 0;
    top: 0;
    height: 100%;
    width: 6rem;
    text-align: center;
    border-left: 1px solid var(--focal-gray-300);
    border-radius: 0 var(--focal-radius-md) var(--focal-radius-md) 0;
    background: var(--focal-gray-50);
    outline: none;
    font-size: 0.875rem;
    cursor: pointer;
}

.focal-shape-select:focus {
    border-color: var(--focal-primary);
}

.focal-mode-display {
    background: var(--focal-primary-light);
    border: 1px solid var(--focal-primary);
    border-radius: var(--focal-radius-lg);
    padding: 0.75rem;
    color: var(--focal-primary);
    font-weight: 500;
    text-align: center;
    font-size: 0.875rem;
}

.focal-material-selector {
    position: absolute;
    right: 0;
    top: 0;
    height: 100%;
    width: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    background-color: rgba(15, 76, 129, 0.06);
    border-left: 1px solid var(--focal-gray-300);
    border-radius: 0 var(--focal-radius-sm) var(--focal-radius-sm) 0;
    transition: background-color 0.2s;
}

.focal-material-selector:hover {
    background-color: rgba(15, 76, 129, 0.12);
}

.focal-material-selector i {
    color: var(--focal-primary);
}

.focal-btn-group {
    margin-top: 1.5rem;
    display: flex;
    gap: 0.75rem;
}

.focal-btn {
    flex: 1;
    font-weight: 500;
    padding: 0.625rem 1rem;
    border-radius: var(--focal-radius-lg);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    font-size: 0.875rem;
}

.focal-btn-primary {
    background: var(--focal-primary);
    color: #fff;
}

.focal-btn-primary:hover {
    background: var(--focal-primary-hover);
}

.focal-btn-secondary {
    background: var(--focal-gray-500);
    color: #fff;
}

.focal-btn-secondary:hover {
    background: var(--focal-gray-600);
}

.focal-btn i {
    margin-right: 0.5rem;
}

.focal-result-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

@media (min-width: 768px) {
    .focal-result-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.focal-result-card {
    background: linear-gradient(135deg, var(--focal-gray-50) 0%, var(--focal-gray-100) 100%);
    border-radius: var(--focal-radius-lg);
    border: 1px solid var(--focal-gray-200);
    padding: 1rem;
}

.focal-result-card-span {
    grid-column: 1 / -1;
}

@media (min-width: 768px) {
    .focal-result-card-span {
        grid-column: span 3;
    }
}

.focal-result-label {
    font-size: 0.875rem;
    color: var(--focal-gray-500);
    margin-bottom: 0.25rem;
}

.focal-result-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--focal-primary);
}

.focal-result-section {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.focal-diagram-wrapper {
    position: relative;
    height: 16rem;
    border-radius: var(--focal-radius-lg);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--focal-neutral) 0%, #e4e7eb 100%);
}

.focal-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
}

.focal-modal.active {
    opacity: 1;
    visibility: visible;
}

.focal-modal-content {
    background: #fff;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    width: 90%;
    max-width: 800px;
    max-height: 90vh;
    overflow-y: auto;
}

.focal-modal-header {
    background: var(--focal-primary);
    color: #fff;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-radius: 15px 15px 0 0;
}

.focal-modal-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
}

.focal-modal-header i {
    margin-right: 0.5rem;
}

.focal-modal-close {
    background: none;
    border: none;
    color: #fff;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0 0.25rem;
}

.focal-modal-body {
    padding: 1rem;
}

.focal-search-wrapper {
    position: relative;
    margin-bottom: 1rem;
}

.focal-search-input {
    width: 100%;
    padding: 0.75rem;
    padding-right: 2.5rem;
    border: 1px solid var(--focal-gray-300);
    border-radius: var(--focal-radius-lg);
    font-size: 0.875rem;
    outline: none;
}

.focal-search-input:focus {
    border-color: var(--focal-primary);
    box-shadow: 0 0 0 3px rgba(15, 76, 129, 0.15);
}

.focal-search-icon {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--focal-gray-400);
}

.focal-recent-title {
    font-weight: 500;
    color: var(--focal-gray-700);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    font-size: 0.875rem;
}

.focal-recent-title i {
    margin-right: 0.5rem;
    color: var(--focal-primary);
}

.focal-recent-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.focal-recent-tag {
    background: rgba(15, 76, 129, 0.1);
    color: var(--focal-primary);
    padding: 0.375rem 0.75rem;
    border-radius: 20px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: background-color 0.2s;
}

.focal-recent-tag:hover {
    background: rgba(15, 76, 129, 0.2);
}

.focal-material-list {
    max-height: 24rem;
    overflow-y: auto;
}

.focal-material-item {
    padding: 0.75rem;
    border-bottom: 1px solid #eee;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    transition: background-color 0.2s;
}

.focal-material-item:hover {
    background: rgba(15, 76, 129, 0.04);
}

.focal-material-name {
    font-weight: 600;
}

.focal-material-props {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 0.625rem;
    margin-top: 0.3125rem;
}

.focal-prop-item {
    text-align: center;
    padding: 0.25rem;
    background: var(--focal-gray-50);
    border-radius: 4px;
    font-size: 0.8rem;
}

.focal-prop-label {
    font-size: 0.75rem;
    color: var(--focal-gray-500);
}

.focal-prop-value {
    font-weight: 500;
}

.focal-footer {
    margin-top: 2rem;
    text-align: center;
    color: var(--focal-gray-500);
    font-size: 0.875rem;
}