/* Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

:root {
    --primary-color: #6366f1;
    --primary-hover: #4f46e5;
    --secondary-color: #10b981;
    --accent-color: #f59e0b;
    --dark-color: #1e293b;
    --light-color: #f8fafc;
    --gray-color: #94a3b8;
    --border-radius: 16px;
    --border-radius-sm: 12px;
    --shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);
    --glassmorphism: rgba(255, 255, 255, 0.9);
    --glassmorphism-dark: rgba(30, 41, 59, 0.8);
}

body {
    background: linear-gradient(135deg, #c7d2fe, #a5b4fc, #93c5fd);
    color: var(--dark-color);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
    background-size: 400% 400%;
    animation: gradient 15s ease infinite;
}

@keyframes gradient {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

.container {
    background: var(--glassmorphism);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    width: 100%;
    max-width: 500px;
    overflow: hidden;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    animation: fadeIn 1s ease-in-out;
    border: 1px solid rgba(255, 255, 255, 0.5);
}

/* Header Styles */
.app-header {
    background: linear-gradient(120deg, var(--primary-color), #818cf8);
    color: white;
    padding: 30px 25px;
    text-align: center;
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.app-header h1 {
    font-size: 32px;
    font-weight: 700;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.app-header .tagline {
    font-size: 15px;
    opacity: 0.9;
    margin-top: 10px;
    font-weight: 300;
    letter-spacing: 0.3px;
}

.app-header::after {
    content: "";
    position: absolute;
    width: 200px;
    height: 200px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    bottom: -100px;
    right: -50px;
    z-index: 0;
}

.app-header::before {
    content: "";
    position: absolute;
    width: 150px;
    height: 150px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    top: -75px;
    left: -75px;
    z-index: 0;
}

/* Upload Section */
.upload-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 30px 25px;
    background-color: rgba(250, 250, 250, 0.6);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    position: relative;
    z-index: 1;
}

/* Enhanced upload area with drag-and-drop support */
.upload-label {
    cursor: pointer;
    width: 100%;
    position: relative;
    transition: all 0.3s ease;
}

.upload-label.drag-over .upload-btn {
    background-color: var(--secondary-color);
    transform: translateY(-3px);
    box-shadow: var(--shadow), 0 0 0 3px rgba(16, 185, 129, 0.3);
}

.drag-hint {
    font-size: 12px;
    color: var(--gray-color);
    text-align: center;
    margin-top: 8px;
    font-weight: 500;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.upload-label:hover .drag-hint {
    opacity: 1;
    color: var(--primary-hover);
}

.upload-label.drag-over .drag-hint {
    color: var(--secondary-color);
    font-weight: 600;
    opacity: 1;
}

.upload-btn, .camera-btn, .analyze-btn, .capture-btn, .switch-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 14px 24px;
    border-radius: var(--border-radius-sm);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    box-shadow: var(--shadow-sm), 0 0 0 0 rgba(99, 102, 241, 0.5);
}

.upload-btn i, .camera-btn i, .analyze-btn i, .capture-btn i, .switch-btn i {
    font-size: 18px;
}

.upload-btn:hover, .camera-btn:hover, .analyze-btn:hover, .capture-btn:hover, .switch-btn:hover {
    background: var(--primary-hover);
    transform: translateY(-3px);
    box-shadow: var(--shadow), 0 0 0 3px rgba(99, 102, 241, 0.3);
}

.upload-btn:active, .camera-btn:active, .analyze-btn:active, .capture-btn:active, .switch-btn:active {
    transform: translateY(-1px);
}

.analyze-btn {
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    position: relative;
    overflow: hidden;
}

.analyze-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: 0.5s;
}

.analyze-btn:hover::before {
    left: 100%;
}

.analyze-btn:disabled {
    background: linear-gradient(90deg, var(--gray-color), #cbd5e1);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.divider {
    display: flex;
    align-items: center;
    width: 100%;
    margin: 24px 0;
}

.divider::before,
.divider::after {
    content: "";
    flex: 1;
    border-bottom: 1px solid rgba(226, 232, 240, 0.8);
}

.divider span {
    padding: 0 15px;
    color: var(--gray-color);
    font-size: 14px;
    font-weight: 500;
}

/* Preview Section */
.preview-section {
    padding: 25px;
}

.image-preview {
    width: 100%;
    height: 0;
    padding-bottom: 66.66%; /* 3:2 aspect ratio */
    position: relative;
    background-color: rgba(241, 245, 249, 0.5);
    border-radius: var(--border-radius);
    overflow: hidden;
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
}

.image-preview:hover {
    box-shadow: var(--shadow);
    transform: scale(1.01);
}

#preview-image, #camera-canvas, #camera-view {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--border-radius);
    animation: fadeIn 0.5s ease;
}

.preview-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--gray-color);
    gap: 15px;
    transition: all 0.3s ease;
}

.preview-placeholder i {
    font-size: 48px;
    opacity: 0.7;
    transition: transform 0.3s ease, color 0.3s ease;
}

.preview-placeholder p {
    font-size: 15px;
    font-weight: 400;
}

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

/* Making the preview area clickable */
.preview-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: block;
    cursor: pointer;
    z-index: 10;
    transition: all 0.3s ease;
}

.preview-container:hover .preview-placeholder {
    background-color: rgba(250, 250, 250, 0.8);
}

.preview-container:hover .preview-placeholder i {
    transform: scale(1.1);
    color: var(--primary-color);
}

.preview-container:active .preview-placeholder {
    transform: scale(0.98);
}

/* Add a subtle pulsing animation to indicate it's clickable */
@keyframes pulse-hint {
    0% {
        box-shadow: 0 0 0 0 rgba(99, 102, 241, 0.3);
    }
    70% {
        box-shadow: 0 0 0 8px rgba(99, 102, 241, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(99, 102, 241, 0);
    }
}

.preview-container .preview-placeholder {
    animation: pulse-hint 2s infinite;
}

/* Preview container drag and drop styles */
.preview-container.drag-over .preview-placeholder {
    background-color: rgba(99, 102, 241, 0.1);
    box-shadow: 0 0 0 2px var(--primary-color);
}

.preview-container.drag-over .preview-placeholder i {
    transform: scale(1.2);
    color: var(--primary-color);
}

.preview-container.drag-over .preview-placeholder p {
    color: var(--primary-color);
    font-weight: 500;
}

/* Results Section */
.results-section {
    padding: 25px;
    background-color: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

.results-section h2 {
    color: var(--dark-color);
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.results {
    background-color: rgba(250, 250, 250, 0.7);
    border-radius: var(--border-radius);
    padding: 20px;
    min-height: 150px;
    box-shadow: var(--shadow-inner);
    border: 1px solid rgba(255, 255, 255, 0.5);
}

.result-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: var(--border-radius-sm);
    margin-bottom: 12px;
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    animation: slideIn 0.5s ease;
    border-left: 4px solid var(--primary-color);
}

.result-item:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: var(--shadow);
    border-left: 4px solid var(--accent-color);
}

.result-class {
    font-weight: 600;
    color: var(--dark-color);
    font-size: 16px;
}

.result-probability {
    color: var(--primary-color);
    font-weight: 700;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(16, 185, 129, 0.1));
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 14px;
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.placeholder {
    color: var(--gray-color);
    text-align: center;
    font-style: italic;
    padding: 30px 0;
    font-weight: 400;
    font-size: 15px;
}

/* Loader */
.loader {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 30px 0;
    gap: 15px;
}

/* iOS style loader with premium touch */
.ios-loader {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    width: 60px;
    height: 60px;
}

.ios-spinner {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 3px solid rgba(99, 102, 241, 0.1);
    border-top-color: var(--primary-color);
    border-left-color: var(--primary-color);
    animation: ios-spin 0.8s linear infinite;
    box-shadow: 0 0 10px rgba(99, 102, 241, 0.2);
}

.loader-text {
    font-size: 16px;
    color: var(--primary-color);
    font-weight: 500;
    margin-top: 8px;
    letter-spacing: 0.5px;
    animation: pulse 1.5s ease-in-out infinite;
}

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

@keyframes pulse {
    0%, 100% {
        opacity: 0.8;
    }
    50% {
        opacity: 1;
    }
}

/* Footer */
.app-footer {
    padding: 20px;
    background-color: rgba(248, 250, 252, 0.6);
    text-align: center;
    border-top: 1px solid rgba(226, 232, 240, 0.5);
    font-size: 13px;
    color: var(--gray-color);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

.app-footer p {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.app-footer i {
    color: var(--primary-color);
}

/* Premium animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(15px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-15px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

/* Add pulse animation for buttons */
@keyframes pulse-border {
    0% {
        box-shadow: 0 0 0 0 rgba(99, 102, 241, 0.7);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(99, 102, 241, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(99, 102, 241, 0);
    }
}

.pulse {
    animation: pulse-border 1.5s infinite;
}

/* Media Queries */
@media (max-width: 600px) {
    .container {
        margin: 10px;
        border-radius: var(--border-radius);
        max-width: 500px;
    }
    
    .app-header h1 {
        font-size: 26px;
    }
    
    .upload-btn, .camera-btn, .analyze-btn, .capture-btn, .switch-btn {
        padding: 12px 18px;
        font-size: 15px;
    }
    
    .results-section h2 {
        font-size: 18px;
    }
    
    .result-item {
        padding: 12px 15px;
    }
}

@media (min-width: 601px) {
    .container {
        transform: translateY(0);
        max-width: 800px; /* Wider interface for computers */
    }
    
    .container:hover {
        transform: translateY(-5px);
    }
    
    /* Layout adjustments for wider screens */
    .preview-section {
        display: flex;
        gap: 20px;
    }
    
    .image-preview {
        flex: 1;
        margin-bottom: 0;
    }
    
    .action-buttons {
        flex-direction: column;
        justify-content: center;
        width: 170px;
    }
    
    /* Improved upload section layout for wider screens */
    .upload-section {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
    
    .upload-label {
        width: 48%;
    }
    
    .camera-btn {
        width: 48%;
    }
    
    .divider {
        width: auto;
        margin: 0 20px;
    }
    
    /* Improved results section layout for wider screens */
    .results {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 15px;
    }
    
    .result-item {
        margin-bottom: 0;
    }
}

/* For even larger screens */
@media (min-width: 1024px) {
    .container {
        max-width: 1100px; /* Even wider on larger screens */
    }
    
    /* Side-by-side layout for very wide screens */
    body {
        padding: 30px;
    }
    
    .container {
        display: grid;
        grid-template-columns: 1fr 1fr;
        grid-template-areas:
            "header header"
            "upload upload"
            "preview results"
            "footer footer";
    }
    
    .app-header {
        grid-area: header;
    }
    
    .upload-section {
        grid-area: upload;
        padding: 30px 35px;
    }
    
    .preview-section {
        grid-area: preview;
        padding: 30px 35px 30px 35px;
        height: 100%;
        display: flex;
        flex-direction: column;
    }
    
    .image-preview {
        flex-grow: 1;
        margin-bottom: 20px;
        height: auto;
        padding-bottom: 56.25%; /* 16:9 aspect ratio for better viewing */
    }
    
    .action-buttons {
        flex-direction: row;
        width: 100%;
        justify-content: center;
    }
    
    .results-section {
        grid-area: results;
        padding: 30px 35px 30px 0;
        height: 100%;
        display: flex;
        flex-direction: column;
    }
    
    .results {
        flex-grow: 1;
        display: flex;
        flex-direction: column;
        overflow-y: auto;
        max-height: 400px;
    }
    
    .app-footer {
        grid-area: footer;
    }
}

/* Premium Badge */
.premium-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    background: linear-gradient(135deg, #f59e0b, #fbbf24);
    color: white;
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 5px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    z-index: 10;
    animation: pulse 2s infinite;
}

.premium-badge i {
    font-size: 10px;
}

/* Premium corner badge for image preview */
.premium-corner-badge {
    position: absolute;
    top: 10px;
    left: 10px;
    background-color: rgba(255, 255, 255, 0.9);
    color: var(--primary-color);
    padding: 4px 10px;
    border-radius: 5px;
    font-size: 12px;
    font-weight: 600;
    z-index: 5;
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

/* Hint text in placeholder */
.hint-text {
    font-size: 12px;
    color: var(--gray-color);
    margin-top: 5px;
    opacity: 0.8;
}

/* Confidence meter */
.confidence-meter {
    margin-bottom: 15px;
}

.confidence-label {
    font-size: 14px;
    color: var(--dark-color);
    font-weight: 500;
    margin-bottom: 5px;
}

.confidence-bar {
    height: 6px;
    background-color: rgba(99, 102, 241, 0.1);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 20px;
}

.confidence-value {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 3px;
    transition: width 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

/* Share section */
.share-section {
    margin-top: 25px;
    padding: 18px 20px;
    border-radius: var(--border-radius);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.8), rgba(240, 240, 255, 0.9));
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(255, 255, 255, 0.6);
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.share-section:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.share-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
}

.share-header i {
    font-size: 18px;
    color: var(--primary-color);
    background: rgba(99, 102, 241, 0.1);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.share-header h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--dark-color);
    margin: 0;
}

.share-buttons {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
}

.share-btn {
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: white;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    color: var(--dark-color);
    font-size: 16px;
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.share-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: 0.5s;
}

.share-btn:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.share-btn:hover::before {
    left: 100%;
}

.share-btn:nth-child(1) {
    color: #1DA1F2; /* Twitter blue */
    background: linear-gradient(135deg, #ffffff, #f0f8ff);
}

.share-btn:nth-child(2) {
    color: #4267B2; /* Facebook blue */
    background: linear-gradient(135deg, #ffffff, #f0f4ff);
}

.share-btn:nth-child(3) {
    color: var(--primary-color);
    background: linear-gradient(135deg, #ffffff, #f5f5ff);
}

.share-btn:nth-child(4) {
    color: var(--secondary-color);
    background: linear-gradient(135deg, #ffffff, #f0fffa);
}

.share-btn:hover:nth-child(1) {
    background: #1DA1F2;
    color: white;
}

.share-btn:hover:nth-child(2) {
    background: #4267B2;
    color: white;
}

.share-btn:hover:nth-child(3) {
    background: var(--primary-color);
    color: white;
}

.share-btn:hover:nth-child(4) {
    background: var(--secondary-color);
    color: white;
}

/* Make the share section responsive */
@media (max-width: 600px) {
    .share-section {
        padding: 15px;
    }
    
    .share-header h3 {
        font-size: 16px;
    }
    
    .share-btn {
        width: 38px;
        height: 38px;
    }
}

@media (min-width: 601px) {
    .share-buttons {
        justify-content: flex-start;
    }
}

/* For larger screens, enhance the share section's appearance */
@media (min-width: 1024px) {
    .share-section {
        margin-top: 30px;
        padding: 22px 25px;
    }
    
    .share-btn {
        width: 48px;
        height: 48px;
        font-size: 18px;
    }
}

/* Premium features section */
.premium-features {
    padding: 25px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05), rgba(16, 185, 129, 0.05));
    border-top: 1px solid rgba(226, 232, 240, 0.5);
}

.premium-features h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.premium-features h3::before {
    content: "\f005";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    font-size: 14px;
    color: var(--accent-color);
}

.feature-list {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 8px;
    background-color: rgba(255, 255, 255, 0.8);
    padding: 10px 15px;
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease;
    flex: 1;
    min-width: 150px;
}

.feature-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.feature-item i {
    color: var(--primary-color);
    font-size: 16px;
}

.feature-item span {
    font-size: 14px;
    font-weight: 500;
    color: var(--dark-color);
}

/* Enhanced footer */
.footer-links {
    margin-top: 10px;
    font-size: 12px;
}

.footer-links a {
    color: var(--gray-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--primary-color);
}

/* Drag-and-Drop Area */
.drag-drop-area {
    border: 2px dashed var(--primary-color);
    border-radius: var(--border-radius);
    padding: 20px;
    text-align: center;
    background-color: rgba(240, 240, 255, 0.5);
    color: var(--primary-color);
    cursor: pointer;
    transition: all 0.3s ease;
}

.drag-drop-area p {
    font-size: 16px;
    font-weight: 500;
    margin-bottom: 10px;
}

.drag-drop-area i {
    font-size: 24px;
    opacity: 0.8;
}

.drag-drop-area:hover {
    background-color: rgba(240, 240, 255, 0.8);
    border-color: var(--primary-hover);
    color: var(--primary-hover);
}

.drag-drop-area.drag-over {
    background-color: rgba(99, 102, 241, 0.1);
    border-color: var(--secondary-color);
    color: var(--secondary-color);
}