/* Base Styles */
:root {
    --primary-color: #000000;
    --secondary-color: #1a1a1a;
    --accent-color: #333333;
    --error-color: #dc2626;
    --text-color: #000000;
    --text-light: #666666;
    --text-muted: #999999;
    --bg-color: #ffffff;
    --white: #ffffff;
    --border-color: #e5e5e5;
    --border-radius: 16px;
    --border-radius-sm: 8px;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
}

/* Import Inter font from Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    color: var(--text-color);
    line-height: 1.6;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
}

/* Smooth page entrance animation */
body {
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-2xl) var(--spacing-lg);
    position: relative;
}

/* Header styles with enhanced animations */
header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    animation: slideInDown 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.2s both;
}

@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Logo styling with hover effects */
.logo-container {
    display: flex;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
}

.logo {
    display: block;
    transition: var(--transition);
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
}

.logo:hover {
    transform: scale(1.05) rotate(2deg);
    filter: drop-shadow(0 8px 16px rgba(0, 0, 0, 0.15));
}

header h1 {
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    font-weight: 700;
    letter-spacing: -0.025em;
    background: linear-gradient(135deg, #000000 0%, #333333 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

header h1::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #000000, #333333);
    border-radius: 2px;
    animation: expandWidth 0.8s cubic-bezier(0.4, 0, 0.2, 1) 1s both;
}

@keyframes expandWidth {
    from {
        width: 0;
    }
    to {
        width: 60px;
    }
}

header p {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-sm);
    font-weight: 400;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeIn 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.6s both;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

h2 {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-lg);
    color: var(--text-color);
    font-weight: 600;
    letter-spacing: -0.015em;
}

h3 {
    font-size: 1.4rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-color);
    font-weight: 600;
    letter-spacing: -0.01em;
}

/* Loading Overlay with modern design */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.loading-overlay.active {
    opacity: 1;
    visibility: visible;
}

.loading-content {
    text-align: center;
    padding: var(--spacing-2xl);
    border-radius: var(--border-radius);
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(10px);
    animation: scaleIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(10px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.loading-content p {
    margin-top: var(--spacing-md);
    font-weight: 500;
    color: var(--text-color);
    font-size: 0.95rem;
}

/* Modern spinner design */
.spinner {
    width: 40px;
    height: 40px;
    margin: 0 auto;
    border: 3px solid var(--border-color);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: modernSpin 1s cubic-bezier(0.4, 0, 0.2, 1) infinite;
    position: relative;
}

.spinner::before {
    content: '';
    position: absolute;
    top: -3px;
    left: -3px;
    right: -3px;
    bottom: -3px;
    border: 3px solid transparent;
    border-top: 3px solid var(--accent-color);
    border-radius: 50%;
    animation: modernSpin 1.5s cubic-bezier(0.4, 0, 0.2, 1) infinite reverse;
}

@keyframes modernSpin {
    from { 
        transform: rotate(0deg); 
    }
    to { 
        transform: rotate(360deg); 
    }
}

/* Modern button loader */
.btn-loader {
    display: none;
    width: 18px;
    height: 18px;
    margin-left: var(--spacing-md);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top: 2px solid var(--white);
    border-radius: 50%;
    animation: modernSpin 1s cubic-bezier(0.4, 0, 0.2, 1) infinite;
    vertical-align: middle;
}

/* Enhanced error message */
.error-message {
    background: linear-gradient(135deg, rgba(220, 38, 38, 0.05) 0%, rgba(220, 38, 38, 0.02) 100%);
    border: 1px solid rgba(220, 38, 38, 0.2);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    display: none;
    animation: slideInDown 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(10px);
}

.error-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.error-content svg, .error-content img {
    color: var(--error-color);
    stroke: var(--error-color);
    flex-shrink: 0;
}

.error-content p {
    color: var(--error-color);
    font-weight: 500;
    margin: 0;
}

.error-content p {
    flex-grow: 1;
    color: var(--error-color);
    font-weight: 500;
}

.error-content button {
    padding: 8px 16px;
    font-size: 0.9rem;
}

/* Upload Area with modern design */
.upload-area {
    background: linear-gradient(135deg, #ffffff 0%, #f9f9f9 100%);
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-2xl);
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    transition: var(--transition);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    animation: slideInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.4s both;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.upload-area::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 0, 0, 0.02), transparent);
    transition: var(--transition);
}

.upload-area:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.upload-area:hover::before {
    left: 100%;
}

.upload-area.drag-over {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, #fafafa 0%, #f5f5f5 100%);
    box-shadow: var(--shadow-lg);
    transform: scale(1.02);
}

.upload-inner {
    max-width: 500px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.upload-inner svg, .upload-inner img {
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
    transition: var(--transition);
}

.upload-area:hover .upload-inner svg, 
.upload-area:hover .upload-inner img {
    transform: scale(1.1);
}

.upload-inner h3 {
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

.file-input-label {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    padding: 14px 28px;
    border-radius: 50px;
    margin: var(--spacing-md) 0;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.file-input-label::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: var(--transition);
}

.file-input-label:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.file-input-label:hover::before {
    left: 100%;
}

.file-input-label:active {
    transform: translateY(0);
}

.support-text {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-top: var(--spacing-md);
    font-weight: 400;
}

/* Preview Section with animations */
.preview-container {
    display: none;
    margin-bottom: var(--spacing-2xl);
    animation: slideInUp 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.preview-wrapper {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

@media (min-width: 768px) {
    .preview-wrapper {
        flex-direction: row;
    }
    
    .image-preview {
        flex: 2;
    }
    
    .preview-info {
        flex: 1;
    }
}

.image-preview {
    position: relative;
    background: linear-gradient(135deg, #ffffff 0%, #f9f9f9 100%);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    animation: scaleIn 0.5s cubic-bezier(0.4, 0, 0.2, 1) 0.2s both;
}

.image-preview:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

#preview-img {
    width: 100%;
    height: auto;
    display: block;
    transition: var(--transition);
}

.preview-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    animation: slideInRight 0.6s cubic-bezier(0.4, 0, 0.2, 1) 0.3s both;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.info-card {
    background: linear-gradient(135deg, #ffffff 0%, #fafafa 100%);
    border-radius: var(--border-radius);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.info-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transform: translateX(-100%);
    transition: var(--transition);
}

.info-card:hover::before {
    transform: translateX(0);
}

.info-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

#image-details p {
    margin-bottom: var(--spacing-sm);
    font-size: 0.95rem;
    color: var(--text-light);
    font-weight: 400;
}

#image-details span {
    color: var(--text-color);
    font-weight: 500;
}

/* Options Section */
.options {
    background-color: var(--white);
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: var(--shadow-sm);
}

.toggle-container {
    margin-bottom: 10px;
}

.toggle {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    margin-bottom: 8px;
}

.toggle-label {
    font-weight: 500;
}

.toggle input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: relative;
    display: inline-block;
    width: 40px;
    height: 22px;
    background-color: #ccc;
    border-radius: 34px;
    transition: .3s;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 2px;
    bottom: 2px;
    background-color: white;
    border-radius: 50%;
    transition: .3s;
}

input:checked + .toggle-slider {
    background-color: var(--primary-color);
}

input:checked + .toggle-slider:before {
    transform: translateX(18px);
}

.toggle-description {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-left: 0;
}

.actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* Modern button styles */
button {
    cursor: pointer;
    padding: 14px 28px;
    border: none;
    border-radius: 50px;
    font-weight: 500;
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    letter-spacing: -0.01em;
}

button::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: var(--transition);
}

button:hover::before {
    left: 100%;
}

.primary-btn {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    box-shadow: var(--shadow-sm);
}

.primary-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.primary-btn:active {
    transform: translateY(-1px);
}

.secondary-btn {
    background: var(--white);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    box-shadow: var(--shadow-sm);
}

.secondary-btn:hover {
    background: var(--bg-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

/* Result Section */
.result-container {
    display: none;
    margin-bottom: 40px;
}

.slices-preview {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.slice-item {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    aspect-ratio: 4/5;
    background-color: var(--white);
}

.slice-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.slice-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.slice-item .slice-number {
    position: absolute;
    top: 10px;
    left: 10px;
    background-color: rgba(67, 97, 238, 0.8);
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
}

.slice-item .slice-label {
    position: absolute;
    top: 10px;
    left: 10px;
    background-color: rgba(38, 70, 83, 0.8);
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
}

.slice-item .resolution {
    position: absolute;
    bottom: 10px;
    right: 10px;
    background-color: rgba(0, 0, 0, 0.6);
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 11px;
}

/* Styling for full view item */
.full-view-item {
    background-color: rgba(67, 97, 238, 0.05);
    border: 2px solid var(--primary-color);
}

@media (min-width: 768px) {
    .slices-preview {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }
}

.download-section {
    text-align: center;
    margin-top: 20px;
}

/* Advertisement Card */
.analogvibes-card {
    display: flex;
    flex-direction: column;
    background-color: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    margin: 60px 0;
}

.analogvibes-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.analogvibes-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.analogvibes-card:hover .analogvibes-image img {
    transform: scale(1.05);
}

.analogvibes-content {
    padding: 25px;
}

.analogvibes-content h3 {
    font-size: 1.6rem;
    color: var(--text-color);
    margin-bottom: 15px;
}

.analogvibes-content p {
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.6;
}

.cta-button {
    display: inline-block;
    background-color: var(--primary-color);
    color: var(--white);
    padding: 12px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.cta-button:hover {
    background-color: var(--secondary-color);
    transform: translateY(-3px);
}

/* Responsive layout for larger screens */
@media (min-width: 768px) {
    .analogvibes-card {
        flex-direction: row;
        align-items: center;
        height: 350px;
    }
    
    .analogvibes-image {
        width: 40%;
        height: 100%;
    }
    
    .analogvibes-content {
        width: 60%;
    }
}

/* ...existing code... */

/* Modern Footer */
footer {
    margin-top: var(--spacing-2xl);
    text-align: center;
    color: var(--text-light);
    padding: var(--spacing-2xl) 0;
    border-top: 1px solid var(--border-color);
    background: linear-gradient(135deg, #fafafa 0%, #ffffff 100%);
    animation: slideInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.8s both;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    max-width: 800px;
    margin: 0 auto;
}

.footer-info {
    font-size: 0.9rem;
    font-weight: 400;
    line-height: 1.6;
}

.footer-info a {
    color: var(--text-color);
    text-decoration: none;
    transition: var(--transition);
    position: relative;
    font-weight: 500;
}

.footer-info a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.footer-info a:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}
    text-decoration: underline;
}

/* Responsive footer */
@media (min-width: 768px) {
    .footer-content {
        flex-direction: row;
        justify-content: space-between;
    }
}