.calculator-page {
    overflow-x: hidden !important;
}

.calculator-page .sidebar {
    left: -220px !important;
    z-index: 90;
}

.calculator-page .main-content {
    margin-left: 0 !important;
    width: 100% !important;
    max-width: 100% !important;
    flex: none !important;
}

.calculator-page .main-content-inner {
    padding: 70px 16px 24px !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
}

.calculator-container {
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
    box-sizing: border-box;
    padding: 0;
}

@media (max-width: 992px) {
    .calculator-page .sidebar {
        left: -220px !important;
        z-index: 90;
    }
    
    .calculator-page .main-content {
        margin-left: 0 !important;
        width: 100% !important;
        max-width: 100% !important;
        flex: none !important;
    }
    
    .calculator-page .main-content-inner {
        padding: 70px 12px 12px !important;
        width: 100% !important;
        max-width: 100% !important;
    }
    
    .calculator-container {
        max-width: 100%;
        padding: 0;
    }
}

@media (max-width: 768px) {
    .calculator-page .sidebar {
        left: -220px !important;
        z-index: 90;
    }
    
    .calculator-page .main-content {
        margin-left: 0 !important;
        width: 100% !important;
        max-width: 100% !important;
        flex: none !important;
    }
    
    .calculator-page .main-content-inner {
        padding: 70px 12px 12px !important;
        width: 100% !important;
        max-width: 100% !important;
    }
    
    .calculator-container {
        max-width: 100%;
        padding: 0;
    }
}

.calculator-header {
    display: flex;
    align-items: baseline;
    gap: 16px;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid #F7D035;
}

.calculator-title {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 28px;
    font-weight: bold;
    color: #333;
    margin-bottom: 0;
    white-space: nowrap;
}

.calculator-title svg {
    color: #F7D035;
    flex-shrink: 0;
    width: 1em;
    height: 1em;
}

.calculator-subtitle {
    font-size: 14px;
    color: #999;
    white-space: nowrap;
}

.calculator-body {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    overflow: hidden;
}

.calc-category-nav {
    padding: 16px 24px;
    background: #fafafa;
    border-bottom: 1px solid #e8e8e8;
}

.category-cards {
    display: flex;
    gap: 10px;
    overflow-x: auto;
    padding: 4px 0 8px;
    scrollbar-width: thin;
    scrollbar-color: #ccc transparent;
}

.category-cards::-webkit-scrollbar {
    height: 6px;
}

.category-cards::-webkit-scrollbar-track {
    background: transparent;
}

.category-cards::-webkit-scrollbar-thumb {
    background: #ccc;
    border-radius: 3px;
}

.category-card {
    min-width: 96px;
    padding: 12px 10px;
    background: #fff;
    border: 2px solid #e8e8e8;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    flex-shrink: 0;
}

.category-card:hover {
    border-color: #F7D035;
    box-shadow: 0 4px 12px rgba(247, 208, 53, 0.2);
    transform: translateY(-2px);
}

.category-card.active {
    background: linear-gradient(135deg, #FFF8E1 0%, #FFFDE7 100%);
    border-color: #F7D035;
    box-shadow: 0 4px 12px rgba(247, 208, 53, 0.3);
}

.category-card-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 12px;
    background: #f5f5f5;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.category-card.active .category-card-icon {
    background: #F7D035;
    color: #333;
}

.category-card-name {
    font-size: 14px;
    font-weight: 500;
    color: #333;
}

.calc-subcategory-nav {
    padding: 12px 24px;
    background: #fff;
    border-bottom: 1px solid #e8e8e8;
}

.subcategory-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.subcategory-tab {
    padding: 4px 14px;
    background: #f5f5f5;
    border: 1px solid #e0e0e0;
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 13px;
    color: #666;
}

.subcategory-tab:hover {
    background: #FFF8E1;
    border-color: #F7D035;
    color: #333;
}

.subcategory-tab.active {
    background: #F7D035;
    border-color: #F7D035;
    color: #333;
    font-weight: 500;
}

.calc-form-section {
    padding: 20px 24px;
    min-height: 400px;
}

.calc-form-container {
    margin: 0 auto;
}

.calc-placeholder {
    text-align: center;
    padding: 80px 20px;
    color: #999;
}

.calc-placeholder svg {
    color: #ddd;
    margin-bottom: 16px;
}

.calc-placeholder p {
    font-size: 16px;
}

.calc-form {
    background: #fafafa;
    border-radius: 8px;
    padding: 24px;
}

.calc-form-title {
    font-size: 18px;
    font-weight: bold;
    color: #333;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid #F7D035;
}

.calc-form-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 24px;
}

.calc-form-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.calc-form-item.full-width {
    grid-column: 1 / -1;
}

.calc-form-label {
    font-size: 13px;
    color: #666;
    font-weight: 500;
}

.calc-form-label .unit {
    color: #999;
    font-weight: normal;
    margin-left: 4px;
}

.calc-form-input {
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    transition: all 0.2s ease;
    background: #fff;
}

.calc-form-input:focus {
    outline: none;
    border-color: #F7D035;
    box-shadow: 0 0 0 3px rgba(247, 208, 53, 0.1);
}

.calc-form-input::placeholder {
    color: #ccc;
}

.calc-form-input[readonly] {
    background: #f5f5f5;
    cursor: not-allowed;
}

.calc-form-item-readonly {
    opacity: 0.7;
}

.calc-form-input-readonly {
    background: #e8e8e8 !important;
    color: #999 !important;
    cursor: not-allowed;
    border-color: #ddd !important;
    text-align: center;
    font-weight: 500;
}

.calc-button-group {
    display: flex;
    gap: 12px;
    margin-top: 16px;
}

.calc-btn {
    flex: 1;
    padding: 8px 24px;
    border: none;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.calc-btn-primary {
    background: #F7D035;
    color: #333;
}

.calc-btn-primary:hover {
    background: #e6c030;
    box-shadow: 0 4px 12px rgba(247, 208, 53, 0.3);
}

.calc-btn-secondary {
    background: #f5f5f5;
    color: #666;
    border: 1px solid #ddd;
}

.calc-btn-secondary:hover {
    background: #e8e8e8;
}

.calc-results {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 2px solid #e8e8e8;
}

.calc-results-title {
    font-size: 16px;
    font-weight: bold;
    color: #333;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.calc-results-title::before {
    content: '';
    width: 4px;
    height: 16px;
    background: #F7D035;
    border-radius: 2px;
}

.calc-results-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.calc-result-item {
    background: #fff;
    border: 1px solid #e8e8e8;
    border-radius: 6px;
    padding: 10px 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.calc-result-label {
    font-size: 13px;
    color: #666;
}

.calc-result-value {
    font-size: 16px;
    font-weight: bold;
    color: #b8860b;
}

body.dark-theme .calc-result-value {
    color: #F7D035;
}

.calc-result-unit {
    font-size: 14px;
    color: #999;
    margin-left: 4px;
}

@media (max-width: 1200px) {
    .calc-form-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .calc-results-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .calculator-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    
    .calculator-title {
        font-size: 22px;
        white-space: normal;
    }
    
    .calculator-subtitle {
        white-space: normal;
    }
    
    .category-cards {
        gap: 8px;
    }
    
    .category-card {
        min-width: 80px;
        padding: 10px 8px;
    }
    
    .category-card-icon {
        width: 40px;
        height: 40px;
        font-size: 20px;
        margin-bottom: 8px;
    }
    
    .category-card-name {
        font-size: 13px;
    }
    
    .calc-category-nav {
        padding: 12px 16px;
    }
    
    .calc-subcategory-nav {
        padding: 10px 16px;
    }
    
    .calc-form-section {
        padding: 20px 16px;
    }
    
    .calc-form {
        padding: 16px;
    }
    
    .calc-form-grid {
        grid-template-columns: 1fr;
    }
    
    .calc-form-input {
        font-size: 16px;
        padding: 10px 12px;
    }
    
    .calc-results-grid {
        grid-template-columns: 1fr;
    }
    
    .calc-button-group {
        flex-direction: column;
    }
    
    .calc-btn {
        padding: 10px 24px;
        font-size: 15px;
    }
}

@media (max-width: 480px) {
    .calculator-title {
        font-size: 20px;
    }
    
    .category-card {
        min-width: 72px;
        padding: 8px 6px;
    }
    
    .category-card-icon {
        width: 32px;
        height: 32px;
        font-size: 16px;
        margin-bottom: 6px;
    }
    
    .category-card-name {
        font-size: 12px;
    }
    
    .calc-category-nav {
        padding: 10px 12px;
    }
    
    .calc-subcategory-nav {
        padding: 8px 12px;
    }
    
    .calc-form-section {
        padding: 16px 12px;
    }
    
    .calc-form {
        padding: 12px;
    }
    
    .calc-form-label {
        font-size: 12px;
    }
    
    .calc-form-input {
        font-size: 16px;
        padding: 8px 10px;
    }
    
    .subcategory-tab {
        padding: 4px 10px;
        font-size: 12px;
    }
    
    .calc-result-item {
        padding: 8px 10px;
    }
    
    .calc-result-value {
        font-size: 14px;
    }
    
    .calc-result-unit {
        font-size: 12px;
    }
    
    .calc-btn {
        padding: 8px 20px;
        font-size: 14px;
    }
}

body.dark-theme .calculator-header {
    border-bottom-color: #444;
}

body.dark-theme .calculator-title {
    color: #e0e0e0;
}

body.dark-theme .calculator-subtitle {
    color: #999;
}

body.dark-theme .calculator-body {
    background: #2a2a2a;
}

body.dark-theme .calc-category-nav {
    background: #1a1a1a;
    border-bottom-color: #444;
}

body.dark-theme .category-card {
    background: #2a2a2a;
    border-color: #444;
}

body.dark-theme .category-card:hover {
    border-color: #F7D035;
}

body.dark-theme .category-card.active {
    background: linear-gradient(135deg, #3d3520 0%, #2a2518 100%);
    border-color: #F7D035;
}

body.dark-theme .category-card-name {
    color: #e0e0e0;
}

body.dark-theme .calc-subcategory-nav {
    background: #2a2a2a;
    border-bottom-color: #444;
}

body.dark-theme .subcategory-tab {
    background: #333;
    border-color: #444;
    color: #ccc;
}

body.dark-theme .subcategory-tab:hover {
    background: #3d3520;
    border-color: #F7D035;
    color: #e0e0e0;
}

body.dark-theme .subcategory-tab.active {
    background: #F7D035;
    border-color: #F7D035;
    color: #333;
}

body.dark-theme .calc-form {
    background: #1a1a1a;
}

body.dark-theme .calc-form-title {
    color: #e0e0e0;
    border-bottom-color: #444;
}

body.dark-theme .calc-form-label {
    color: #ccc;
}

body.dark-theme .calc-form-input {
    background: #2a2a2a;
    border-color: #444;
    color: #e0e0e0;
    color-scheme: dark;
}

body.dark-theme .calc-form-input:focus {
    border-color: #F7D035;
}

body.dark-theme .calc-form-input[readonly] {
    background: #333;
    cursor: not-allowed;
}

body.dark-theme .calc-form-item-readonly {
    opacity: 0.6;
}

body.dark-theme .calc-form-input-readonly {
    background: #444 !important;
    color: #888 !important;
    cursor: not-allowed;
    border-color: #555 !important;
}

body.dark-theme .calc-btn-secondary {
    background: #333;
    color: #ccc;
    border-color: #444;
}

body.dark-theme .calc-btn-secondary:hover {
    background: #444;
}

body.dark-theme .calc-results {
    border-top-color: #444;
}

body.dark-theme .calc-results-title {
    color: #e0e0e0;
}

body.dark-theme .calc-result-item {
    background: #2a2a2a;
    border-color: #444;
}

body.dark-theme .calc-result-label {
    color: #ccc;
}