/* 
 * GOLDNEST Virtual Jewelry Try-On
 * Responsive and mobile-friendly styles
 */

:root {
    --primary-color: #D4AF37;
    --primary-dark: #B8860B;
    --primary-light: #FFD700;
    --secondary-color: #4A4A4A;
    --text-color: #333333;
    --light-text: #FFFFFF;
    --background-color: #F9F9F9;
    --border-color: #E0E0E0;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --success-color: #28a745;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --info-color: #17a2b8;
    --transition-speed: 0.3s;
    --border-radius: 8px;
    --font-primary: 'Poppins', sans-serif;
    --font-display: 'Playfair Display', serif;
}

/* Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-primary);
    color: var(--text-color);
    background-color: var(--background-color);
    line-height: 1.6;
    overflow-x: hidden;
}

.hidden {
    display: none !important;
}

/* App Container */
.app-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    width: 100%;
}

/* Header */
.app-header {
    background-color: var(--primary-color);
    color: var(--light-text);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.8rem 1.5rem;
    position: relative;
    z-index: 100;
    box-shadow: 0 2px 5px var(--shadow-color);
}

.header-left, .header-right {
    flex: 1;
}

.header-center {
    flex: 2;
    text-align: center;
}

.header-center h1 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.header-center h1 i {
    margin-right: 10px;
    font-size: 1.2em;
}

.back-button {
    display: flex;
    align-items: center;
    color: var(--light-text);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-speed);
}

.back-button i {
    margin-right: 8px;
}

.back-button:hover {
    color: rgba(255, 255, 255, 0.8);
}

.icon-button {
    background: none;
    border: none;
    color: var(--light-text);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-speed);
}

.icon-button:hover {
    transform: scale(1.1);
}

/* Main Content */
.main-content {
    display: flex;
    flex: 1;
    padding: 1rem;
    gap: 1rem;
    min-height: 0;
}

/* Try-On Panel (Left Side) */
.try-on-panel {
    flex: 2;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    min-height: 0;
}

.canvas-container {
    position: relative;
    overflow: hidden;
    background-color: #000;
    border-radius: var(--border-radius);
    box-shadow: 0 3px 10px var(--shadow-color);
    height: 75vh;
    max-height: 75vh;
}

.camera-feed, .overlay-canvas, .main-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.camera-feed {
    z-index: 1;
}

.overlay-canvas {
    z-index: 2;
    pointer-events: none;
}

.main-canvas {
    z-index: 3;
}

/* Start Message */
.start-message {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--light-text);
}

.message-content {
    padding: 2rem;
    max-width: 90%;
}

.message-content i {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--primary-light);
}

.message-content h3 {
    font-family: var(--font-display);
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.start-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.action-button {
    background-color: var(--primary-color);
    color: var(--light-text);
    border: none;
    border-radius: var(--border-radius);
    padding: 0.8rem 1.5rem;
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition-speed), transform var(--transition-speed);
}

.action-button i {
    margin-right: 8px;
    font-size: 1.1em;
}

.action-button:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
}

/* Camera Controls */
.camera-controls {
    position: absolute;
    bottom: 20px;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    z-index: 5;
}

.camera-btn {
    background-color: rgba(255, 255, 255, 0.2);
    color: var(--light-text);
    border: none;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color var(--transition-speed), transform var(--transition-speed);
}

.camera-btn:hover {
    background-color: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

.camera-btn.primary {
    background-color: var(--primary-color);
    width: 60px;
    height: 60px;
    font-size: 1.4rem;
}

.camera-btn.primary:hover {
    background-color: var(--primary-dark);
}

/* Jewelry Controls */
.jewelry-controls {
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.5rem;
    z-index: 5;
    background-color: rgba(0, 0, 0, 0.5);
    border-radius: 30px;
    padding: 0.3rem;
}

.control-btn {
    background-color: transparent;
    color: var(--light-text);
    border: none;
    border-radius: 30px;
    padding: 0.5rem 1rem;
    display: flex;
    align-items: center;
    font-size: 0.9rem;
    cursor: pointer;
    transition: background-color var(--transition-speed);
    white-space: nowrap;
}

.control-btn i {
    margin-right: 5px;
}

.control-btn:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.control-btn.active {
    background-color: var(--primary-color);
}

.control-btn.danger {
    background-color: rgba(220, 53, 69, 0.2);
}

.control-btn.danger:hover {
    background-color: rgba(220, 53, 69, 0.5);
}

/* Result Actions */
.result-actions {
    position: absolute;
    bottom: 20px;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: center;
    gap: 0.8rem;
    z-index: 5;
    flex-wrap: wrap;
    padding: 0 10px;
}

.action-btn {
    background-color: rgba(255, 255, 255, 0.9);
    color: var(--secondary-color);
    border: none;
    border-radius: var(--border-radius);
    padding: 0.6rem 1rem;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color var(--transition-speed), transform var(--transition-speed);
}

.action-btn i {
    margin-right: 5px;
}

.action-btn:hover {
    background-color: rgba(255, 255, 255, 1);
    transform: translateY(-2px);
}

.action-btn.primary {
    background-color: var(--primary-color);
    color: var(--light-text);
}

.action-btn.primary:hover {
    background-color: var(--primary-dark);
}

/* Instructions Panel */
.instructions-panel {
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: 0 2px 5px var(--shadow-color);
    padding: 1rem;
    display: flex;
    justify-content: space-between;
}

.instruction-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 0.5rem;
    opacity: 0.5;
    transition: opacity var(--transition-speed);
    flex: 1;
}

.instruction-step.active {
    opacity: 1;
    color: var(--primary-color);
}

.instruction-step i {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.instruction-step span {
    font-size: 0.8rem;
    font-weight: 500;
}

/* Jewelry Panel (Right Side) */
.jewelry-panel {
    flex: 1;
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: 0 2px 5px var(--shadow-color);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-width: 0;
}

.search-filter {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.search-filter input {
    width: 100%;
    padding: 0.6rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-family: var(--font-primary);
    margin-bottom: 1rem;
}

.category-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
}

.category-btn {
    background-color: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 0.4rem 0.8rem;
    font-size: 0.8rem;
    cursor: pointer;
    transition: background-color var(--transition-speed), color var(--transition-speed);
}

.category-btn:hover, .category-btn.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.jewelry-gallery {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 1rem;
}

.jewelry-item {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    cursor: pointer;
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.jewelry-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px var(--shadow-color);
}

.jewelry-item img {
    width: 100%;
    aspect-ratio: 1/1;
    object-fit: contain;
    background-color: white;
}

.jewelry-item p {
    padding: 0.5rem;
    font-size: 0.8rem;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    background-color: #f5f5f5;
}

.custom-upload {
    padding: 1rem;
    text-align: center;
    border-top: 1px solid var(--border-color);
}

.custom-upload h3 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
    color: var(--secondary-color);
}

.upload-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: var(--background-color);
    color: var(--secondary-color);
    padding: 0.6rem 1rem;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 0.9rem;
    transition: background-color var(--transition-speed);
}

.upload-btn:hover {
    background-color: var(--border-color);
}

.upload-btn i {
    margin-right: 8px;
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    color: white;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    border-left-color: var(--primary-color);
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-width: 300px;
}

.toast {
    background-color: white;
    color: var(--text-color);
    padding: 1rem;
    border-radius: var(--border-radius);
    box-shadow: 0 3px 15px var(--shadow-color);
    animation: slide-in 0.3s ease-out forwards;
    display: flex;
    align-items: center;
}

.toast.success { border-left: 4px solid var(--success-color); }
.toast.error { border-left: 4px solid var(--danger-color); }
.toast.info { border-left: 4px solid var(--info-color); }
.toast.warning { border-left: 4px solid var(--warning-color); }

.toast i {
    margin-right: 10px;
    font-size: 1.2rem;
}

.toast.success i { color: var(--success-color); }
.toast.error i { color: var(--danger-color); }
.toast.info i { color: var(--info-color); }
.toast.warning i { color: var(--warning-color); }

@keyframes slide-in {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

@keyframes slide-out {
    from { transform: translateX(0); opacity: 1; }
    to { transform: translateX(100%); opacity: 0; }
}

/* Modal Styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    padding: 1rem;
}

.modal-content {
    background-color: white;
    border-radius: var(--border-radius);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
    display: flex;
    flex-direction: column;
}

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

.modal-header h2 {
    font-family: var(--font-display);
    color: var(--primary-dark);
    margin: 0;
    font-size: 1.5rem;
}

.close-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--secondary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.2rem;
}

.modal-body {
    padding: 1rem;
    overflow-y: auto;
}

.modal-actions {
    padding: 1rem;
    display: flex;
    justify-content: center;
    gap: 0.8rem;
    border-top: 1px solid var(--border-color);
    flex-wrap: wrap;
}

.modal-btn {
    padding: 0.6rem 1.2rem;
    border: none;
    border-radius: var(--border-radius);
    font-family: var(--font-primary);
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition-speed);
    background-color: var(--background-color);
    color: var(--text-color);
}

.modal-btn i {
    margin-right: 8px;
}

.modal-btn:hover {
    background-color: var(--border-color);
}

.modal-btn.primary {
    background-color: var(--primary-color);
    color: var(--light-text);
}

.modal-btn.primary:hover {
    background-color: var(--primary-dark);
}

/* AI Analysis Report Styles */
.analysis-content {
    max-width: 800px;
}

.analysis-report {
    padding: 1rem;
    overflow-y: auto;
}

.report-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.report-image {
    width: 200px;
    height: 200px;
    object-fit: cover;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.report-info {
    flex: 1;
    min-width: 250px;
}

.report-info h3 {
    font-family: var(--font-display);
    color: var(--primary-dark);
    margin-bottom: 0.8rem;
}

.report-analysis {
    margin-bottom: 1.5rem;
}

.analysis-group {
    margin-bottom: 1rem;
}

.analysis-group h4 {
    font-size: 1.1rem;
    color: var(--primary-dark);
    margin-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.3rem;
}

.report-recommendations {
    background-color: #f9f5e8;
    border-radius: var(--border-radius);
    padding: 1rem;
    margin-bottom: 1.5rem;
}

.report-recommendations h3 {
    color: var(--primary-dark);
    font-family: var(--font-display);
    margin-bottom: 0.8rem;
    text-align: center;
}

.recommended-items {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 1rem;
}

.recommended-item {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    background-color: white;
    cursor: pointer;
    transition: transform var(--transition-speed);
}

.recommended-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px var(--shadow-color);
}

.recommended-item img {
    width: 100%;
    aspect-ratio: 1/1;
    object-fit: contain;
}

.recommended-item p {
    padding: 0.5rem;
    font-size: 0.8rem;
    text-align: center;
    background-color: #f5f5f5;
}

.report-footer {
    text-align: center;
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
    font-size: 0.9rem;
    color: var(--secondary-color);
}

.watermark {
    text-align: center;
    font-family: var(--font-display);
    color: var(--primary-dark);
    font-size: 1.2rem;
    padding: 1rem 0;
}

/* Help Sections */
.help-section {
    margin-bottom: 1.5rem;
}

.help-section h3 {
    color: var(--primary-dark);
    margin-bottom: 0.5rem;
}

.help-section ul {
    padding-left: 1.5rem;
    margin-top: 0.5rem;
}

/* Responsive Styles */
@media (max-width: 900px) {
    .main-content {
        flex-direction: column;
    }
    
    .canvas-container {
        height: 60vh;
    }
    
    .jewelry-controls {
        top: 10px;
    }
    
    .back-button span {
        display: none;
    }
}

@media (max-width: 600px) {
    .header-center h1 {
        font-size: 1.2rem;
    }
    
    .instruction-step {
        font-size: 0.7rem;
    }
    
    .instruction-step i {
        font-size: 1.2rem;
    }
    
    .control-btn span {
        display: none;
    }
    
    .control-btn {
        padding: 0.5rem;
    }
    
    .control-btn i {
        margin-right: 0;
    }
    
    .jewelry-controls {
        padding: 0.2rem;
    }
    
    .canvas-container {
        height: 50vh;
    }
    
    .action-btn span {
        display: none;
    }
    
    .action-btn {
        padding: 0.6rem;
    }
    
    .action-btn i {
        margin-right: 0;
        font-size: 1.2rem;
    }
    
    .modal-content {
        width: 95%;
    }
}

/* Jewelry control bar */
.jewelry-control-bar {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background-color: rgba(0, 0, 0, 0.7);
    border-radius: 12px;
    padding: 12px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    z-index: 100;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    transition: all 0.3s ease;
    max-width: 90%;
    width: auto;
}

.jewelry-control-bar .control-label {
    color: #ffffff;
    font-weight: 500;
    margin-right: 12px;
}

.jewelry-control-bar .control-buttons {
    display: flex;
    align-items: center;
    gap: 8px;
}

.jewelry-control-bar .control-btn {
    background-color: rgba(255, 255, 255, 0.2);
    border: none;
    border-radius: 8px;
    color: #ffffff;
    padding: 8px 12px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.jewelry-control-bar .control-btn i {
    margin-right: 6px;
}

.jewelry-control-bar .control-btn:hover {
    background-color: rgba(255, 255, 255, 0.3);
}

.jewelry-control-bar .control-btn.active {
    background-color: #f5c518;
    color: #000000;
}

.jewelry-control-bar .control-btn.danger {
    background-color: rgba(255, 99, 71, 0.7);
}

.jewelry-control-bar .control-btn.danger:hover {
    background-color: rgba(255, 99, 71, 0.9);
}

.jewelry-control-bar .control-btn.primary {
    background-color: #4CAF50;
    color: white;
}

.jewelry-control-bar .control-btn.primary:hover {
    background-color: #3e8e41;
}

@media (max-width: 768px) {
    .jewelry-control-bar {
        padding: 8px 12px;
    }
    
    .jewelry-control-bar .control-btn {
        padding: 6px 8px;
        font-size: 12px;
    }
    
    .jewelry-control-bar .control-btn i {
        margin-right: 4px;
    }
}

@media (max-width: 576px) {
    .jewelry-control-bar .control-label {
        display: none;
    }
}