:root{
    /* Modern Healthtech Color System */
    --bg-start: #060714;
    --bg-end: #0a1128;
    --card: #111827;
    --card-hover: #1f2937;
    --accent: #00e5ff;
    --accent-2: #6366f1;
    --accent-glow: rgba(0, 229, 255, 0.15);
    --muted: #94a3b8;
    --text: #f3f4f6;
    --text-secondary: #cbd5e1;
    
    /* Advanced Effects */
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.05);
    --glass-shine: linear-gradient(
        135deg,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.03) 100%
    );
    
    /* Futuristic Gradients */
    --tech-gradient: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
    --glow-gradient: radial-gradient(
        circle at 50% 50%,
        var(--accent-glow),
        transparent 50%
    );
}

*{box-sizing:border-box}
html,body,#root{height:100%}

/* Page Transition Animations */
@keyframes pageEnter {
    0% {
        opacity: 0;
        transform: translateY(20px) scale(0.98);
        filter: blur(8px);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
        filter: blur(0);
    }
}

@keyframes pageLeave {
    0% {
        opacity: 1;
        transform: translateY(0) scale(1);
        filter: blur(0);
    }
    100% {
        opacity: 0;
        transform: translateY(-20px) scale(1.02);
        filter: blur(8px);
    }
}

/* Initial page load animation */
.page-content {
    animation: pageEnter 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    opacity: 0;
}

.page-content.leaving {
    animation: pageLeave 0.4s cubic-bezier(0.7, 0, 0.84, 0) forwards;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, system-ui;
    margin: 0;
    color: var(--text);
    -webkit-font-smoothing: antialiased;
    background: linear-gradient(135deg, var(--bg-start), var(--bg-end));
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

/* Tech background effects */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 20%, var(--accent-glow), transparent 40%),
        radial-gradient(circle at 80% 80%, rgba(99, 102, 241, 0.15), transparent 40%);
    opacity: 0.6;
    z-index: -2;
    pointer-events: none;
}

body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%239BA1A6' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    z-index: -1;
    opacity: 0.4;
    pointer-events: none;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 32px;
    position: relative;
    padding-top: 80px; /* Account for fixed nav */
}

/* Modern glass container */
.container::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 24px;
    background: var(--glass-bg);
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.3),
        0 0 0 1px var(--glass-border);
    z-index: -1;
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
}

/* Add scroll padding to account for fixed nav */
html {
    scroll-padding-top: 80px;
    scroll-behavior: smooth;
}

.nav {
    /* Unchanged Styles */
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 16px 24px;
    background: var(--glass-bg);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.2);
    z-index: 100;
    transition: all 0.3s ease;

    /* --- Changes for Full-Width Layout --- */
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    border-bottom: 1px solid var(--glass-border); /* Changed from 'border' for a cleaner look */
    border-radius: 0; /* Removes the rounded corners */
}

.nav::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--tech-gradient);
    opacity: 0.1;
    z-index: -1;
}

.nav .brand {
    font-weight: 700;
    font-size: 18px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
    padding: 4px 0;
    background: var(--tech-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.nav .brand::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 2px;
    background: var(--tech-gradient);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s ease;
}

.nav .brand:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

.nav .links {
    display: flex;
    gap: 12px;
    position: relative;
    z-index: 1;
}

.nav a {
    padding: 8px 16px;
    border-radius: 8px;
    color: var(--text);
    text-decoration: none;
    font-weight: 500;
    position: relative;
    transition: all 0.3s ease;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.nav a::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 8px;
    pointer-events: none;
    border: 1px solid var(--accent);
    clip-path: polygon(0 100%, 0 100%, 0 100%, 0 100%);
    opacity: 0;
    transition: opacity 0.01s;
}

@keyframes drawFromPoint {
    0% {
        clip-path: polygon(0 100%, 0 100%, 0 100%, 0 100%);
    }
    30% {
        clip-path: polygon(0 100%, 0 50%, 0 50%, 0 100%);
    }
    60% {
        clip-path: polygon(0 100%, 0 0, 50% 0, 50% 0);
    }
    100% {
        clip-path: polygon(0 100%, 0 0, 100% 0, 100% 100%);
    }
}

.nav a:hover {
    background: var(--card);
}

.nav a:hover::before {
    opacity: 1;
    animation: drawFromPoint 0.6s ease forwards;
    box-shadow: 0 0 20px var(--accent-glow);
}

.nav a.active {
    background: var(--card);
    color: var(--accent);
}

.nav a.active::before {
    opacity: 1;
    clip-path: none;
    box-shadow: 0 0 20px var(--accent-glow);
}

/* Language Switcher Styles */
.language-switcher {
    position: relative;
    display: inline-block;
}

.language-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px 12px;
    border-radius: 8px;
    color: var(--text);
    text-decoration: none;
    font-weight: 500;
    position: relative;
    transition: all 0.3s ease;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    cursor: pointer;
    font-size: 16px;
    min-width: 40px;
}

.language-btn:hover {
    background: var(--card);
    box-shadow: 0 0 20px var(--accent-glow);
}

.language-icon {
    font-size: 18px;
    line-height: 1;
}

.language-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--card);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    min-width: 160px;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    margin-top: 8px;
}

.language-dropdown.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.language-option {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--text);
    text-decoration: none;
    transition: all 0.3s ease;
    border-radius: 8px;
    margin: 4px;
}

.language-option:hover {
    background: var(--glass-bg);
    color: var(--accent);
}

.language-option.active {
    background: var(--accent);
    color: var(--card);
}

.language-option.active:hover {
    background: var(--accent);
    color: var(--card);
}

.flag {
    font-size: 18px;
    width: 20px;
    text-align: center;
}

.hero{background: transparent;text-align:center;padding:64px 16px}
.hero-clean {
    text-align: center;
    padding: 48px 16px;
    margin-bottom: 24px;
}

.hero-clean h1 {
    font-size: 48px;
    font-weight: 600;
    background: linear-gradient(135deg, 
        var(--accent) 0%,
        var(--accent-2) 100%
    );
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin: 0;
    line-height: 1.1;
}

h1{margin:0;font-size:56px;font-weight:400;color:var(--text);line-height:1.03}
.tag{color:var(--muted);margin-top:14px;font-size:18px}

/* Full-bleed hero image with Apple-style parallax */
.hero-image {
    height: 100vh;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background-image: url('https://cdn.prod.website-files.com/6372566a009c668000cc7cd6/639b6edcd12f2bd1896302c1_David-Healthcare-feature.jpeg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    margin: 0;
    padding: 0;
    overflow: hidden;
    will-change: transform;
}

.hero-image::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, 
        var(--bg-start) 0%,
        rgba(4,10,20,0.4) 15%,
        rgba(4,10,20,0.3) 40%,
        rgba(4,10,20,0.2) 60%,
        rgba(255,255,255,0.12) 100%
    );
    transition: opacity 0.3s ease;
}

.hero-inner {
    position: relative;
    z-index: 2;
    max-width: 920px;
    text-align: center;
    transform: translateY(0);
    opacity: 1;
    will-change: transform, opacity;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 48px;
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.3),
        0 0 0 1px var(--glass-border);
    overflow: hidden;
}

.hero-inner::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--tech-gradient);
    opacity: 0.1;
    z-index: -1;
}

.hero-inner::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(
        circle at 50% 50%,
        var(--accent-glow) 0%,
        transparent 70%
    );
    opacity: 0.4;
    z-index: -1;
}

.hero-image h1 {
    font-size: 64px;
    letter-spacing: -0.02em;
    margin-bottom: 24px;
    background: linear-gradient(135deg, 
        var(--accent) 0%,
        var(--accent-2) 50%,
        var(--accent) 100%
    );
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    font-weight: 800;
    line-height: 1.1;
    position: relative;
    display: inline-block;
    filter: drop-shadow(0 0 12px var(--accent-glow));
}

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

.hero-image .tag {
    font-size: 22px;
    opacity: 1;
    transform: translateY(0);
    will-change: transform, opacity;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 400;
    letter-spacing: 0.01em;
    line-height: 1.4;
    margin: 0;
    text-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

.upload-card {
    margin: 36px auto;
    padding: 36px;
    background: var(--card);
    border-radius: 20px;
    border: 1px solid var(--glass-border);
    max-width: 840px;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.upload-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--glass-shine);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.upload-card:hover::before {
    opacity: 1;
}

.upload-card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 20px;
    padding: 1px;
    background: var(--tech-gradient);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0.5;
}

.upload-card.presentation-content{
    align-items:flex-start;
}

.presentation-content h2 {
    font-size: 32px;
    font-weight: 600;
    letter-spacing: -0.01em;
    line-height: 1.2;
    margin-bottom: 24px;
    background: linear-gradient(135deg, var(--text), #2a3744);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.presentation-content h3 {
    font-size: 24px;
    font-weight: 600;
    letter-spacing: -0.01em;
    line-height: 1.3;
    margin-top: 32px;
    margin-bottom: 16px;
    background: linear-gradient(135deg, var(--text), #455466);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.presentation-content p {
    font-size: 17px;
    line-height: 1.6;
    color: var(--text);
    margin-bottom: 16px;
    letter-spacing: 0.01em;
}

/* Scroll Animation Styles */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
}

/* Scrolling down animations - elements rise up */
.animate-on-scroll.scrolling-down {
    transform: translateY(50px);
}

.animate-on-scroll.scrolling-down.animate-in {
    opacity: 1;
    transform: translateY(0);
    transition-timing-function: cubic-bezier(0.16, 1, 0.3, 1);
}

/* Scrolling up animations - elements fall down with "gravity" */
.animate-on-scroll.scrolling-up {
    transform: translateY(-50px);
}

.animate-on-scroll.scrolling-up.animate-in {
    opacity: 1;
    transform: translateY(0);
    transition-timing-function: cubic-bezier(0.33, 1, 0.68, 1);
}

/* Stagger delays for different elements */
.presentation-content h2.animate-on-scroll {
    transition-delay: 0.05s;
}

.presentation-content h3.animate-on-scroll {
    transition-delay: 0.1s;
}

.presentation-content p.animate-on-scroll {
    transition-delay: 0.15s;
}

/* Exit animations with gravity effect */
.animate-on-scroll:not(.animate-in) {
    transition-duration: 0.4s;
    transition-delay: 0s !important;
}

/* Different exit behaviors based on scroll direction */
.scrolling-down:not(.animate-in) {
    transform: translateY(-30px);
    transition-timing-function: cubic-bezier(0.33, 1, 0.68, 1);
}

.scrolling-up:not(.animate-in) {
    transform: translateY(70px);
    transition-timing-function: cubic-bezier(0.34, 1.56, 0.64, 1);
}

.presentation-content .lead {
    font-size: 20px;
    line-height: 1.5;
    background: linear-gradient(135deg, var(--text), #4e5c6e);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 32px;
    font-weight: 400;
}

.coming-soon-section {
    margin-top: 48px;
    padding: 32px;
    background: var(--glass-bg);
    border-radius: 16px;
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.coming-soon-section h3 {
    color: var(--accent);
    margin-bottom: 16px;
    font-size: 20px;
    font-weight: 600;
}

.coming-soon-section p {
    color: var(--text-secondary);
    margin-bottom: 16px;
    font-size: 16px;
}

.coming-soon-section ul {
    color: var(--text-secondary);
    padding-left: 20px;
    margin: 0;
}

.coming-soon-section li {
    margin-bottom: 8px;
    font-size: 15px;
    line-height: 1.5;
}

.upload-label {
    display: inline-block;
    margin-bottom: 12px;
    font-weight: 600;
    color: var(--accent);
    letter-spacing: 0.5px;
    text-transform: uppercase;
    font-size: 14px;
}

.upload-content {
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
}

.upload-area {
    position: relative;
    margin: 24px 0;
    border: 2px dashed var(--glass-border);
    border-radius: 16px;
    padding: 40px 20px;
    text-align: center;
    transition: all 0.3s ease;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    cursor: pointer;
    display: block;
    text-decoration: none;
}

.upload-area:hover {
    border-color: var(--accent);
    background: var(--card);
    box-shadow: 0 0 20px var(--accent-glow);
}

.upload-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    color: var(--muted);
    pointer-events: none;
}

.upload-placeholder svg {
    width: 40px;
    height: 40px;
    color: var(--accent);
}

#image-upload {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
    z-index: 10;
}

.primary {
    background: var(--card);
    color: var(--accent);
    border: 1px solid var(--accent);
    padding: 12px 24px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 14px;
}

.primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--tech-gradient);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 1;
}

.primary:hover:not([disabled]) {
    box-shadow: 0 0 20px var(--accent-glow);
    transform: translateY(-2px);
}

.primary:hover:not([disabled])::before {
    opacity: 1;
}

.primary:hover:not([disabled]) span {
    color: white;
    position: relative;
    z-index: 2;
}

.primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* Enhanced Upload Button Styles */
.upload-btn-enhanced {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 16px 32px;
    border-radius: 12px;
    font-size: 16px;
    min-width: 200px;
    background: linear-gradient(135deg, var(--card) 0%, rgba(17, 24, 39, 0.8) 100%);
    border: 2px solid transparent;
    background-clip: padding-box;
    position: relative;
}

.upload-btn-enhanced::before {
    content: '';
    position: absolute;
    inset: 0;
    padding: 2px;
    background: var(--tech-gradient);
    border-radius: inherit;
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: xor;
    -webkit-mask-composite: xor;
}

.upload-btn-enhanced .btn-icon {
    transition: all 0.3s ease;
    z-index: 2;
}

.upload-btn-enhanced .btn-text {
    z-index: 2;
    position: relative;
}

.upload-btn-enhanced .btn-pulse {
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: var(--tech-gradient);
    opacity: 0;
    animation: pulse-glow 2s infinite;
    z-index: 0;
}

.upload-btn-enhanced:not([disabled]):hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 
        0 10px 30px rgba(0, 229, 255, 0.3),
        0 0 50px rgba(99, 102, 241, 0.2);
}

.upload-btn-enhanced:not([disabled]):hover .btn-icon {
    transform: rotate(15deg) scale(1.1);
    color: white;
}

.upload-btn-enhanced:not([disabled]):hover .btn-text {
    color: white;
}

.upload-btn-enhanced:not([disabled]):active {
    transform: translateY(-1px) scale(0.98);
}

.upload-btn-enhanced:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none;
}

.upload-btn-enhanced:disabled .btn-pulse {
    animation: none;
}

/* Simple App Page Styles */
.simple-header {
    text-align: center;
    padding: 60px 20px 40px;
}

.simple-header h1 {
    font-size: 2.5rem;
    color: var(--accent);
    margin-bottom: 10px;
}

.simple-header p {
    color: var(--muted);
    font-size: 1.1rem;
}

.simple-upload {
    max-width: 500px;
    margin: 0 auto;
    padding: 20px;
    text-align: center;
}

.simple-upload input[type="file"] {
    display: none;
}

.upload-zone {
    display: block;
    border: 2px dashed var(--accent);
    border-radius: 12px;
    padding: 60px 20px;
    margin-bottom: 30px;
    cursor: pointer;
    transition: all 0.3s ease;
    background: rgba(0, 229, 255, 0.05);
}

.upload-zone:hover {
    border-color: var(--accent-bright);
    background: rgba(0, 229, 255, 0.1);
    transform: translateY(-2px);
}

.upload-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.upload-zone div:last-child {
    color: var(--text);
    font-size: 1.1rem;
}

.analyze-btn {
    background: var(--accent);
    color: white;
    border: none;
    padding: 15px 40px;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: 30px;
}

.analyze-btn:hover:not(:disabled) {
    background: var(--accent-bright);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 229, 255, 0.3);
}

.analyze-btn:disabled {
    background: var(--muted);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.preview {
    margin-top: 20px;
}

.preview img {
    max-width: 100%;
    max-height: 300px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.result {
    margin-top: 20px;
    padding: 20px;
    background: var(--card);
    border-radius: 8px;
    border-left: 4px solid var(--accent);
    text-align: left;
}

.preview.loading {
    opacity: 0.5;
    filter: blur(4px);
    transition: opacity 0.3s ease, filter 0.3s ease;
}

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

.loader p {
  color: var(--muted);
  font-size: 1.1rem;
  margin-bottom: 15px;
}

.progress-bar-container {
  width: 100%;
  height: 10px;
  background-color: var(--card);
  border-radius: 5px;
  overflow: hidden;
}

.progress-bar {
  width: 0%;
  height: 100%;
  background-color: var(--accent);
  border-radius: 5px;
}

/* Upload Page Specific Styles */
.upload-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 100px 32px 32px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.upload-hero {
    text-align: center;
    margin-bottom: 24px;
}

.upload-hero h1 {
    font-size: 48px;
    font-weight: 600;
    margin: 0 0 16px 0;
    background: var(--tech-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.upload-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    margin: 0;
    font-weight: 400;
}

.upload-main-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 48px;
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.3),
        0 0 0 1px var(--glass-border);
    position: relative;
    overflow: hidden;
}

.upload-main-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--tech-gradient);
    opacity: 0.5;
}

.upload-zone {
    text-align: center;
    padding: 32px;
    border: 2px dashed var(--glass-border);
    border-radius: 16px;
    margin-bottom: 32px;
    transition: all 0.3s ease;
    position: relative;
}

.upload-zone:hover {
    border-color: var(--accent);
    background: rgba(0, 229, 255, 0.05);
}

.upload-icon {
    color: var(--accent);
    margin-bottom: 16px;
    display: flex;
    justify-content: center;
}

.upload-zone h3 {
    font-size: 24px;
    font-weight: 600;
    margin: 0 0 8px 0;
    color: var(--text);
}

.upload-zone > p {
    color: var(--text-secondary);
    margin: 0 0 24px 0;
    font-size: 16px;
}

.upload-button-label {
    display: inline-block;
    background: var(--tech-gradient);
    color: white;
    padding: 16px 32px;
    border-radius: 12px;
    cursor: pointer;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    margin-bottom: 24px;
}

.upload-button-label:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--accent-glow);
}

.upload-button-label input[type="file"] {
    position: absolute;
    opacity: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

.upload-info {
    margin-top: 16px;
}

.upload-info p {
    font-size: 14px;
    color: var(--muted);
    margin: 4px 0;
}

.preview-section {
    margin: 24px 0;
    text-align: center;
}

.preview-section img {
    max-width: 100%;
    max-height: 300px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--glass-border);
}

.upload-actions {
    text-align: center;
    margin: 32px 0;
}

.upload-analyze-btn {
    background: var(--card);
    color: var(--accent);
    border: 2px solid var(--accent);
    padding: 16px 48px;
    border-radius: 12px;
    cursor: pointer;
    font-weight: 600;
    font-size: 18px;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.upload-analyze-btn:not([disabled]):hover {
    background: var(--accent);
    color: var(--card);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--accent-glow);
}

.upload-analyze-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    border-color: var(--muted);
    color: var(--muted);
}

.btn-icon {
    font-size: 20px;
}

.result-section {
    margin-top: 32px;
    padding: 24px;
    background: var(--glass-bg);
    border-radius: 12px;
    border: 1px solid var(--glass-border);
    display: none;
}

.result-section.show {
    display: block;
}

.security-notice {
    display: flex;
    align-items: center;
    gap: 16px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 24px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.security-icon {
    font-size: 24px;
    color: var(--accent);
    flex-shrink: 0;
}
.preview {
    margin-top: 24px;
    width: 100%;
    border-radius: 16px;
    overflow: hidden;
    position: relative;
}

.preview img {
    width: 100%;
    border-radius: 16px;
    border: 1px solid var(--glass-border);
    transition: transform 0.3s ease;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.preview img:hover {
    transform: scale(1.02);
}

.result {
    margin-top: 24px;
    padding: 20px;
    border-radius: 12px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.result.success {
    border-color: #10B981;
    background: rgba(16, 185, 129, 0.1);
}

.result.error {
    border-color: #EF4444;
    background: rgba(239, 68, 68, 0.1);
}
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

.modal-content {
    background: var(--glass-bg);
    margin: 10% auto;
    padding: 32px;
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    width: 90%;
    max-width: 600px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    animation: modalSlideIn 0.3s ease;
}

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

.close {
    color: var(--text-secondary);
    float: right;
    font-size: 28px;
    font-weight: 700;
    cursor: pointer;
    transition: color 0.2s ease;
}

.close:hover,
.close:focus {
    color: var(--text);
}

.loading {
    display: none;
    text-align: center;
    margin-top: 24px;
}

.loading::after {
    content: '';
    display: inline-block;
    width: 24px;
    height: 24px;
    border: 3px solid var(--accent);
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 1s linear infinite;
}

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

.footer{margin-top:40px;text-align:center;color:var(--muted);font-size:13px}

.security-text h4 {
    margin: 0 0 8px 0;
    color: var(--text);
    font-size: 16px;
    font-weight: 600;
}

.security-text p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.5;
}

.upload-footer {
    text-align: center;
    margin-top: auto;
    padding-top: 32px;
}

.upload-footer p {
    color: var(--muted);
    font-size: 14px;
    margin: 0;
    font-style: italic;
}

/* Responsive Design */
@media (max-width: 768px) {
    .upload-container {
        padding: 80px 16px 16px;
        gap: 24px;
    }
    
    .upload-hero h1 {
        font-size: 36px;
    }
    
    .upload-main-card {
        padding: 32px 24px;
    }
    
    .upload-zone {
        padding: 24px 16px;
    }
    
    .upload-button-label {
        padding: 14px 24px;
        font-size: 14px;
    }
    
    .upload-analyze-btn {
        padding: 14px 32px;
        font-size: 16px;
    }
    
    .security-notice {
        flex-direction: column;
        text-align: center;
        gap: 12px;
    }
}

@keyframes floatSlow{
	0%{transform: translateY(-6px) rotate(0.001deg)}
	50%{transform: translateY(6px) rotate(0.001deg)}
	100%{transform: translateY(-6px) rotate(0.001deg)}
}

@keyframes floatSlowReverse{
	0%{transform: translateY(6px) rotate(0.001deg)}
	50%{transform: translateY(-6px) rotate(0.001deg)}
	100%{transform: translateY(6px) rotate(0.001deg)}
}