* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'IBM Plex Sans Arabic', sans-serif;
}

:root {
    --primary-color: #2D3648;
    --secondary-color: #4A90E2;
    --success-color: #34C759;
    --background-color: #F7F9FC;
    --card-background: #FFFFFF;
    --text-primary: #2D3648;
    --text-secondary: #6B7280;
    --border-color: #E5E7EB;
    --accent-color: #5C6AC4;
    --error-color: #DC2626;
    --warning-color: #F59E0B;
    --header-height: 120px;
    --content-max-width: 600px;
}

html {
    height: 100%;
    overflow-x: hidden;
}

body {
    min-height: 100%;
    background-color: var(--background-color);
    padding-top: calc(var(--header-height) + 20px);
    margin: 0;
}

.app-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: var(--card-background);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    z-index: 1000;
}

.header-content {
    max-width: var(--content-max-width);
    margin: 0 auto;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.logo-container {
    padding: 10px;
    text-align: center;
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 60px;
}

.logo {
    margin: 10px;
    height: 20px;
    width: auto;
    object-fit: contain;
}

.stages {
    flex: 1;
    display: flex;
    align-items: center;
    background: var(--card-background);
    padding: 0 15px;
}

.stage-indicators {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    padding: 0 10px;
    max-width: 400px;
    margin: 0 auto;
    width: 100%;
}

.stage {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    z-index: 1;
    width: 80px;
}

.stage-number {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: var(--card-background);
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    color: var(--text-secondary);
    transition: all 0.3s ease;
    font-size: 0.9em;
}

.stage-name {
    margin-top: 6px;
    font-size: 0.8em;
    color: var(--text-secondary);
    text-align: center;
    white-space: nowrap;
}

.stage-icon {
    margin-top: 4px;
    font-size: 0.9em;
    color: var(--text-secondary);
    opacity: 0.7;
}

.stage-line {
    flex: 1;
    height: 2px;
    background-color: var(--border-color);
    margin: 0 5px;
    position: relative;
    top: -16px;
    min-width: 20px;
}

.stage.active .stage-number {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    color: white;
    transform: scale(1.1);
}

.stage.active .stage-name,
.stage.active .stage-icon {
    color: var(--accent-color);
    font-weight: 500;
}

.stage.completed .stage-number {
    background-color: var(--success-color);
    border-color: var(--success-color);
    color: white;
}

.stage.completed .stage-name,
.stage.completed .stage-icon {
    color: var(--success-color);
}

.stage.completed .stage-number::after {
    content: '✓';
    font-size: 1em;
}

.container {
    width: 100%;
    max-width: var(--content-max-width);
    margin: 0 auto;
    padding: 0 20px;
    box-sizing: border-box;
}

.stage-content {
    margin-top: 20px;
}

.search-form {
    margin: 0 auto;
    max-width: 500px;
    width: 100%;
}

.search-input-container {
    background: var(--card-background);
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    padding: 5px;
    position: relative;
}

.search-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    font-size: 1.1em;
}

input[type="text"] {
    width: 100%;
    padding: 16px;
    padding-left: 45px;
    font-size: 16px;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    outline: none;
    transition: all 0.3s ease;
    background-color: var(--card-background);
    color: var(--text-primary);
    text-align: right;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    direction: rtl;
}

input[type="text"]:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(92, 106, 196, 0.1);
}

.product-card {
    background: var(--card-background);
    border-radius: 16px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    padding: 20px;
    width: 100%;
    margin-top: 20px;
    transition: transform 0.3s ease;
}

.product-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

.product-header h2 {
    font-size: 1.1em;
    color: var(--text-primary);
    font-weight: 500;
}

.product-badge {
    background-color: var(--success-color);
    color: white;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.8em;
    display: flex;
    align-items: center;
    gap: 5px;
}

.product-image {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.product-info {
    margin: 15px 0;
    text-align: center;
    padding: 15px;
    background-color: var(--background-color);
    border-radius: 12px;
}

.sku {
    color: var(--text-secondary);
    margin: 5px 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.name {
    margin: 10px 0;
    font-weight: 600;
    font-size: 1.1em;
    color: var(--text-primary);
    line-height: 1.4;
}

.next-stage-button {
    background-color: var(--accent-color);
    color: white;
    width: 100%;
    padding: 14px 20px;
    border: none;
    border-radius: 12px;
    font-size: 1em;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.3s ease;
    margin-top: 20px;
}

.next-stage-button:hover {
    background-color: #4F5BAF;
    transform: translateY(-1px);
}

.next-stage-button:active {
    transform: translateY(1px);
}

.upload-section {
    background: var(--card-background);
    border-radius: 16px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    padding: 20px;
    margin-top: 20px;
}

.upload-container {
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    padding: 30px 20px;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    background: var(--background-color);
    position: relative;
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.upload-container.drag-hover {
    border-color: var(--accent-color);
    background-color: rgba(92, 106, 196, 0.05);
}

.upload-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    width: 100%;
}

.upload-icon {
    font-size: 2.5em;
    color: var(--accent-color);
    margin-bottom: 10px;
}

.upload-text {
    color: var(--text-secondary);
    font-size: 0.9em;
}

#human-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
    z-index: 2;
}

.upload-preview {
    width: 100%;
    padding: 10px;
}

.upload-preview img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.change-image-button {
    margin-top: 15px;
    padding: 8px 16px;
    background-color: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9em;
    transition: all 0.3s ease;
}

.change-image-button:hover {
    background-color: var(--border-color);
    color: var(--text-primary);
}

.stage-buttons {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.back-button {
    padding: 14px 24px;
    background-color: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9em;
    transition: all 0.3s ease;
}

.back-button:hover {
    background-color: var(--border-color);
    color: var(--text-primary);
}

.try-on-button {
    flex: 1;
    background-color: var(--accent-color);
    color: white;
    padding: 14px 24px;
    border: none;
    border-radius: 12px;
    font-size: 1em;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.3s ease;
}

.try-on-button:disabled {
    background-color: var(--border-color);
    cursor: not-allowed;
    opacity: 0.7;
}

.try-on-button:not(:disabled):hover {
    background-color: #4F5BAF;
    transform: translateY(-1px);
}

.try-on-button:not(:disabled):active {
    transform: translateY(1px);
}

.try-on-result {
    background: var(--card-background);
    border-radius: 16px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    padding: 20px;
    margin-top: 20px;
}

.loading {
    text-align: center;
    padding: 40px 20px;
}

.loading-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid var(--border-color);
    border-radius: 50%;
    border-top-color: var(--accent-color);
    animation: spin 1s linear infinite;
}

.loading-text {
    text-align: center;
}

.loading-text .main-text {
    color: var(--text-primary);
    font-size: 1.1em;
    margin-bottom: 5px;
}

.loading-text .sub-text {
    color: var(--text-secondary);
    font-size: 0.9em;
}

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

.result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

.result-header h2 {
    font-size: 1.2em;
    color: var(--text-primary);
    font-weight: 500;
}

.new-try-button {
    padding: 8px 16px;
    background-color: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9em;
    transition: all 0.3s ease;
}

.new-try-button:hover {
    background-color: var(--border-color);
    color: var(--text-primary);
}

.images-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.image-wrapper {
    background: var(--background-color);
    padding: 15px;
    border-radius: 12px;
    text-align: center;
}

.image-wrapper img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    cursor: zoom-in;
    transition: transform 0.3s ease;
}

.image-wrapper.zoomed {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.9);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: zoom-out;
    padding: 20px;
}

.image-wrapper.zoomed img {
    max-height: 90vh;
    max-width: 90vw;
    object-fit: contain;
    cursor: zoom-out;
}

.images-container h4 {
    margin-bottom: 15px;
    color: var(--text-primary);
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.error {
    background-color: #FEE2E2;
    border: 1px solid #FECACA;
    color: var(--error-color);
    padding: 12px;
    border-radius: 8px;
    margin: 10px 0;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.ui-autocomplete {
    z-index: 2000;
    max-height: 400px;
    overflow-y: auto;
    overflow-x: hidden;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    border: 1px solid var(--border-color);
    padding: 8px;
    background-color: var(--card-background);
}

.ui-menu-item {
    padding: 8px;
    display: flex;
    align-items: center;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.ui-menu-item:hover {
    background-color: rgba(74, 144, 226, 0.05);
}

.suggestion-image {
    width: 60px;
    height: 60px;
    margin-left: 15px;
    object-fit: contain;
    border-radius: 6px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.ui-menu-item-wrapper {
    display: flex;
    align-items: center;
    padding: 8px;
    width: 100%;
}

@media (max-width: 480px) {
    .stage-buttons {
        flex-direction: column;
    }
    
    .back-button {
        order: 2;
    }
    
    .try-on-button {
        order: 1;
    }

    .container {
        padding: 0 15px;
    }

    .product-card,
    .upload-section,
    .try-on-result {
        padding: 15px;
    }

    .images-container {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .stage-number {
        width: 28px;
        height: 28px;
        font-size: 0.8em;
    }

    .stage-name {
        font-size: 0.7em;
    }

    .stage {
        width: 70px;
    }
}