:root {
    --cgc-primary: #4F46E5;
    --cgc-primary-dark: #4338CA;
    --cgc-primary-light: #818CF8;
    --cgc-secondary: #10B981;
    --cgc-secondary-dark: #059669;
    --cgc-warning: #F59E0B;
    --cgc-danger: #EF4444;
    --cgc-info: #3B82F6;
    
    --cgc-bg: #F8FAFC;
    --cgc-bg-card: #FFFFFF;
    --cgc-bg-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    
    --cgc-text: #1E293B;
    --cgc-text-light: #64748B;
    --cgc-text-lighter: #94A3B8;
    
    --cgc-border: #E2E8F0;
    --cgc-border-radius: 16px;
    --cgc-border-radius-sm: 10px;
    --cgc-border-radius-lg: 24px;
    
    --cgc-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --cgc-shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --cgc-shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    --cgc-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    
    --cgc-rtl: rtl;
}

.cgc-wrapper {
    direction: rtl;
    font-family: 'Vazirmatn', 'Segoe UI', Tahoma, sans-serif;
    background: var(--cgc-bg);
    border-radius: var(--cgc-border-radius-lg);
    padding: 0;
    max-width: 900px;
    margin: 0 auto;
    overflow: hidden;
    box-shadow: var(--cgc-shadow-xl);
}

.cgc-header {
    background: var(--cgc-bg-gradient);
    padding: 40px 30px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cgc-header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

.cgc-header-content {
    position: relative;
    z-index: 1;
}

.cgc-logo {
    display: inline-block;
    margin-bottom: 15px;
}

.cgc-logo-icon {
    width: 60px;
    height: 60px;
    filter: drop-shadow(0 4px 6px rgba(0,0,0,0.2));
}

.cgc-title {
    color: white;
    font-size: 28px;
    font-weight: 700;
    margin: 0 0 8px 0;
    text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.cgc-subtitle {
    color: rgba(255,255,255,0.9);
    font-size: 16px;
    margin: 0;
}

.cgc-tabs {
    display: flex;
    background: var(--cgc-bg-card);
    border-bottom: 1px solid var(--cgc-border);
    padding: 0 20px;
}

.cgc-tab {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 18px 20px;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--cgc-text-light);
    font-size: 15px;
    font-weight: 500;
    transition: var(--cgc-transition);
    position: relative;
}

.cgc-tab::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    left: 0;
    height: 3px;
    background: var(--cgc-primary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.cgc-tab:hover {
    color: var(--cgc-primary);
    background: rgba(79, 70, 229, 0.05);
}

.cgc-tab.active {
    color: var(--cgc-primary);
}

.cgc-tab.active::after {
    transform: scaleX(1);
}

.cgc-tab-icon {
    width: 22px;
    height: 22px;
}

.cgc-form-section {
    padding: 30px;
    background: var(--cgc-bg-card);
}

.cgc-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
    margin-bottom: 25px;
}

@media (max-width: 600px) {
    .cgc-form-grid {
        grid-template-columns: 1fr;
    }
}

.cgc-form-group {
    margin-bottom: 20px;
}

.cgc-label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--cgc-text);
    margin-bottom: 10px;
}

.cgc-gender-buttons {
    display: flex;
    gap: 12px;
}

.cgc-gender-btn {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 16px;
    background: var(--cgc-bg);
    border: 2px solid var(--cgc-border);
    border-radius: var(--cgc-border-radius-sm);
    cursor: pointer;
    transition: var(--cgc-transition);
    color: var(--cgc-text-light);
}

.cgc-gender-btn:hover {
    border-color: var(--cgc-primary-light);
    background: rgba(79, 70, 229, 0.05);
}

.cgc-gender-btn.active {
    border-color: var(--cgc-primary);
    background: rgba(79, 70, 229, 0.1);
    color: var(--cgc-primary);
}

.cgc-gender-icon {
    width: 28px;
    height: 28px;
}

.cgc-gender-btn span {
    font-size: 14px;
    font-weight: 500;
}

.cgc-age-inputs {
    display: flex;
    gap: 15px;
}

.cgc-age-field {
    flex: 1;
    display: flex;
    align-items: center;
    background: var(--cgc-bg);
    border: 2px solid var(--cgc-border);
    border-radius: var(--cgc-border-radius-sm);
    padding: 0 15px;
    transition: var(--cgc-transition);
}

.cgc-age-field:focus-within {
    border-color: var(--cgc-primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.cgc-input {
    flex: 1;
    border: none;
    background: none;
    font-size: 16px;
    font-weight: 500;
    color: var(--cgc-text);
    padding: 14px 0;
    width: 100%;
    text-align: center;
}

.cgc-input:focus {
    outline: none;
}

.cgc-input::placeholder {
    color: var(--cgc-text-lighter);
}

.cgc-age-unit {
    font-size: 13px;
    color: var(--cgc-text-light);
    white-space: nowrap;
}

.cgc-chart-selector {
    margin-bottom: 25px;
}

.cgc-chart-types {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}

@media (max-width: 600px) {
    .cgc-chart-types {
        grid-template-columns: repeat(2, 1fr);
    }
}

.cgc-chart-type-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 14px 10px;
    background: var(--cgc-bg);
    border: 2px solid var(--cgc-border);
    border-radius: var(--cgc-border-radius-sm);
    cursor: pointer;
    transition: var(--cgc-transition);
    color: var(--cgc-text-light);
}

.cgc-chart-type-btn:hover {
    border-color: var(--cgc-info);
    background: rgba(59, 130, 246, 0.05);
}

.cgc-chart-type-btn.active {
    border-color: var(--cgc-info);
    background: rgba(59, 130, 246, 0.1);
    color: var(--cgc-info);
}

.cgc-chart-icon {
    width: 24px;
    height: 24px;
}

.cgc-chart-type-btn span {
    font-size: 11px;
    font-weight: 500;
    text-align: center;
}

.cgc-measurement-input {
    margin-bottom: 25px;
}

.cgc-input-wrapper {
    display: flex;
    align-items: center;
    background: var(--cgc-bg);
    border: 2px solid var(--cgc-border);
    border-radius: var(--cgc-border-radius-sm);
    padding: 0 20px;
    transition: var(--cgc-transition);
}

.cgc-input-wrapper:focus-within {
    border-color: var(--cgc-primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.cgc-measurement-value {
    font-size: 18px;
    font-weight: 600;
}

.cgc-input-unit {
    font-size: 14px;
    color: var(--cgc-text-light);
    margin-right: 10px;
}

.cgc-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 28px;
    font-size: 15px;
    font-weight: 600;
    border: none;
    border-radius: var(--cgc-border-radius-sm);
    cursor: pointer;
    transition: var(--cgc-transition);
}

.cgc-btn-primary {
    background: var(--cgc-primary);
    color: white;
    box-shadow: 0 4px 14px rgba(79, 70, 229, 0.4);
}

.cgc-btn-primary:hover {
    background: var(--cgc-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(79, 70, 229, 0.5);
}

.cgc-btn-primary:active {
    transform: translateY(0);
}

.cgc-btn-full {
    width: 100%;
}

.cgc-btn-icon {
    width: 20px;
    height: 20px;
}

.cgc-button-center {
    text-align: center;
    margin-top: 20px;
}

.cgc-tab-content {
    display: none;
}

.cgc-tab-content.active {
    display: block;
}

.cgc-chart-section {
    padding: 30px;
    background: var(--cgc-bg);
}

.cgc-chart-container {
    background: white;
    border-radius: var(--cgc-border-radius);
    padding: 25px;
    box-shadow: var(--cgc-shadow);
    margin-bottom: 20px;
}

.cgc-chart-container canvas {
    max-height: 450px;
    background: white;
}

.cgc-chart-print-image {
    width: 100%;
    max-height: 450px;
    object-fit: contain;
    background: white;
}

.cgc-chart-legend {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    padding: 15px;
    background: var(--cgc-bg-card);
    border-radius: var(--cgc-border-radius-sm);
}

.cgc-legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--cgc-text-light);
}

.cgc-legend-color {
    width: 20px;
    height: 4px;
    border-radius: 2px;
}

.cgc-legend-stripe {
    height: 8px;
}

.cgc-result-section {
    padding: 0 30px 30px;
    background: var(--cgc-bg-card);
}

.cgc-result-card {
    background: var(--cgc-bg);
    border-radius: var(--cgc-border-radius);
    padding: 25px;
    border-right: 4px solid var(--cgc-secondary);
}

.cgc-result-card.warning {
    border-right-color: var(--cgc-warning);
}

.cgc-result-card.danger {
    border-right-color: var(--cgc-danger);
}

.cgc-result-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.cgc-result-icon {
    width: 50px;
    height: 50px;
    background: var(--cgc-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cgc-result-icon svg {
    width: 28px;
    height: 28px;
    color: white;
}

.cgc-result-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--cgc-text);
    margin: 0;
}

.cgc-result-body {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 20px;
}

@media (max-width: 500px) {
    .cgc-result-body {
        grid-template-columns: 1fr;
    }
}

.cgc-result-item {
    text-align: center;
    padding: 15px;
    background: var(--cgc-bg-card);
    border-radius: var(--cgc-border-radius-sm);
}

.cgc-result-label {
    display: block;
    font-size: 12px;
    color: var(--cgc-text-light);
    margin-bottom: 5px;
}

.cgc-result-value {
    display: block;
    font-size: 20px;
    font-weight: 700;
    color: var(--cgc-text);
}

.cgc-result-message {
    padding: 15px;
    background: rgba(16, 185, 129, 0.1);
    border-radius: var(--cgc-border-radius-sm);
    color: var(--cgc-secondary-dark);
    font-size: 14px;
    text-align: center;
}

.cgc-result-card.warning .cgc-result-message {
    background: rgba(245, 158, 11, 0.1);
    color: #B45309;
}

.cgc-result-card.danger .cgc-result-message {
    background: rgba(239, 68, 68, 0.1);
    color: #DC2626;
}

.cgc-bmr-result-section {
    padding: 0 30px 30px;
    background: var(--cgc-bg-card);
}

.cgc-bmr-card {
    background: linear-gradient(135deg, #4F46E5 0%, #7C3AED 100%);
    border-radius: var(--cgc-border-radius);
    padding: 30px;
    text-align: center;
    color: white;
}

.cgc-bmr-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-bottom: 25px;
}

.cgc-bmr-icon {
    width: 50px;
    height: 50px;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cgc-bmr-icon svg {
    width: 28px;
    height: 28px;
}

.cgc-bmr-title {
    font-size: 18px;
    font-weight: 600;
    margin: 0;
}

.cgc-bmr-value-container {
    margin-bottom: 20px;
}

.cgc-bmr-big-value {
    font-size: 56px;
    font-weight: 800;
    display: block;
    line-height: 1;
    margin-bottom: 5px;
}

.cgc-bmr-unit {
    font-size: 16px;
    opacity: 0.9;
}

.cgc-bmr-details {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
    margin-bottom: 20px;
}

.cgc-bmr-details span {
    background: rgba(255,255,255,0.15);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 13px;
}

.cgc-bmr-info {
    background: rgba(255,255,255,0.1);
    padding: 15px;
    border-radius: var(--cgc-border-radius-sm);
    font-size: 13px;
}

.cgc-bmr-info p {
    margin: 0;
    opacity: 0.9;
}

.cgc-bmr-form {
    margin-bottom: 20px;
}

.cgc-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-bottom: 20px;
}

@media (max-width: 500px) {
    .cgc-form-row {
        grid-template-columns: 1fr;
    }
}

.cgc-footer {
    padding: 25px 30px;
    background: var(--cgc-bg);
    border-top: 1px solid var(--cgc-border);
    text-align: center;
}

.cgc-disclaimer {
    font-size: 12px;
    color: var(--cgc-text-light);
    margin: 0 0 10px 0;
    line-height: 1.6;
}

.cgc-credit {
    font-size: 11px;
    color: var(--cgc-text-lighter);
    margin: 0;
}

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

.cgc-result-card,
.cgc-bmr-card {
    animation: fadeIn 0.4s ease-out;
}

.cgc-loading {
    position: relative;
    pointer-events: none;
}

.cgc-loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255,255,255,0.7);
    display: flex;
    align-items: center;
    justify-content: center;
}

@media (max-width: 600px) {
    .cgc-wrapper {
        border-radius: 0;
    }
    
    .cgc-header {
        padding: 30px 20px;
    }
    
    .cgc-title {
        font-size: 24px;
    }
    
    .cgc-form-section,
    .cgc-chart-section,
    .cgc-result-section,
    .cgc-bmr-result-section,
    .cgc-footer {
        padding: 20px;
    }
    
    .cgc-tabs {
        padding: 0 10px;
    }
    
    .cgc-tab {
        padding: 15px 10px;
        font-size: 13px;
    }
    
    .cgc-bmr-big-value {
        font-size: 42px;
    }
}

.cgc-chart-zone-sd3 {
    background: rgba(239, 68, 68, 0.15);
}

.cgc-chart-zone-sd2 {
    background: rgba(245, 158, 11, 0.15);
}

.cgc-chart-zone-sd1 {
    background: rgba(59, 130, 246, 0.1);
}

.cgc-chart-zone-normal {
    background: rgba(16, 185, 129, 0.1);
}

.cgc-action-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
    padding: 20px 30px;
    background: var(--cgc-bg-card);
}

.cgc-btn-print {
    background: #6366F1;
    color: white;
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.4);
}

.cgc-btn-print:hover {
    background: #4F46E5;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.5);
}

@media print {
    body {
        background: white !important;
        padding: 0 !important;
        margin: 0 !important;
    }

    .cgc-wrapper {
        box-shadow: none !important;
        border-radius: 0 !important;
        max-width: 100% !important;
    }

    .cgc-tabs,
    .cgc-form-section,
    .cgc-footer,
    .cgc-action-buttons,
    .cgc-bmr-result-section,
    .no-print {
        display: none !important;
    }

    .cgc-chart-section,
    .cgc-result-section {
        display: block !important;
        padding: 10px !important;
        page-break-inside: avoid;
    }

    .cgc-chart-container {
        box-shadow: none !important;
        border: 1px solid #e2e8f0 !important;
    }

    .cgc-result-card {
        page-break-inside: avoid;
    }

    .cgc-header {
        background: #4F46E5 !important;
        -webkit-print-color-adjust: exact !important;
        print-color-adjust: exact !important;
    }

    .cgc-header::before {
        display: none !important;
    }

    canvas {
        display: none !important;
    }

    .cgc-chart-print-image {
        display: block !important;
        max-width: 100% !important;
        max-height: 400px !important;
        margin: 0 auto !important;
    }
}