:root {
    --bg-color: #0f172a;
    --panel-bg: rgba(30, 41, 59, 0.7);
    --panel-border: rgba(255, 255, 255, 0.1);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent: #3b82f6;
    --accent-glow: rgba(59, 130, 246, 0.5);
    --gradient-1: #3b82f6;
    --gradient-2: #8b5cf6;
    --font-family: 'Outfit', sans-serif;
}

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

body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow-x: hidden;
    position: relative;
}

/* Background effects */
.background-blobs {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.4;
    animation: float 10s ease-in-out infinite alternate;
}

.blob-1 {
    top: -10%;
    left: -10%;
    width: 50vw;
    height: 50vw;
    background: radial-gradient(circle, var(--gradient-1) 0%, transparent 70%);
}

.blob-2 {
    bottom: -10%;
    right: -10%;
    width: 60vw;
    height: 60vw;
    background: radial-gradient(circle, var(--gradient-2) 0%, transparent 70%);
    animation-delay: -5s;
}

@keyframes float {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(50px, 50px) scale(1.1); }
}

/* Layout */
.container {
    max-width: 1000px;
    width: 90%;
    margin: 2rem auto;
    z-index: 1;
}

/* Header */
header {
    text-align: center;
    margin-bottom: 2.5rem;
}

/* Right Column */
.right-column {
    display: flex;
    flex-direction: column;
}

/* Navigation */
.top-nav {
    position: absolute;
    top: 1.5rem;
    right: 2rem;
    display: flex;
    gap: 1rem;
    z-index: 100;
}

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 600;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.nav-link:hover {
    color: white;
    background: var(--accent);
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 10px var(--accent-glow);
}

h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

.highlight {
    background: linear-gradient(135deg, var(--gradient-1), var(--gradient-2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.content-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

@media (max-width: 768px) {
    .content-wrapper {
        grid-template-columns: 1fr;
    }
}

/* Glassmorphism Panels */
.glass-panel {
    background: var(--panel-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--panel-border);
    border-radius: 24px;
    padding: 2rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

/* Upload Area */
.upload-section {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.upload-area {
    flex: 1;
    border: 2px dashed var(--panel-border);
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 250px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.upload-area:hover, .upload-area.dragover {
    border-color: var(--accent);
    background: rgba(59, 130, 246, 0.05);
}

.upload-content {
    text-align: center;
    pointer-events: none;
}

.upload-icon {
    width: 64px;
    height: 64px;
    color: var(--accent);
    margin-bottom: 1rem;
}

.text-highlight {
    color: var(--accent);
    font-weight: 600;
}

.image-preview {
    width: 100%;
    height: 100%;
    object-fit: contain;
    position: absolute;
    top: 0;
    left: 0;
    background: #000;
}

/* Buttons */
.primary-btn {
    background: linear-gradient(135deg, var(--gradient-1), var(--gradient-2));
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 4px 15px var(--accent-glow);
}

.primary-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--accent-glow);
}

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

.loader {
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
    position: absolute;
}

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

/* Results Section */
.results-section {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.results-section h2 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.empty-state {
    color: var(--text-secondary);
    text-align: center;
    padding: 3rem 0;
}

.bars-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.result-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.result-header {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
    font-weight: 500;
}

.result-name {
    color: var(--text-primary);
}

.result-value {
    color: var(--text-secondary);
}

.progress-track {
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--gradient-1), var(--gradient-2));
    width: 0%;
    border-radius: 4px;
    transition: width 1s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Make highest prob bold/colorful */
.result-item.top-prediction .result-name,
.result-item.top-prediction .result-value {
    color: var(--accent);
    font-weight: 700;
    font-size: 1.1rem;
}

/* Samples Section */
.samples-section {
    margin-top: 0.5rem;
    text-align: center;
}

.samples-title {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 0.8rem;
}

.samples-row {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.sample-img {
    width: 50px;
    height: 50px;
    object-fit: contain;
    border-radius: 8px;
    cursor: pointer;
    border: 2px solid var(--panel-border);
    transition: all 0.2s ease;
    background-color: #fff;
}

.sample-img:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
}