:root {
    /* Primary Color Palette */
    --primary-bg: #0f172a;
    --primary-text: #f8fafc;
    --secondary-text: #94a3b8;
    --accent-color: #6366f1;
    --accent-glow: rgba(99, 102, 241, 0.4);
    --secondary-accent: #10b981;
    --error-color: #ef4444;

    /* Glass Panels */
    --glass-bg: rgba(30, 41, 59, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-blur: blur(12px);

    /* Gradients */
    --bg-gradient: radial-gradient(circle at top right, #1e1b4b, #0f172a);
    --accent-gradient: linear-gradient(135deg, #6366f1, #a855f7);

    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: var(--font-body);
    background: var(--bg-gradient);
    color: var(--primary-text);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    padding: 2rem;
    overflow-x: hidden;
}

/* Background Blobs */
.blob {
    position: fixed;
    width: 500px;
    height: 500px;
    background: var(--accent-gradient);
    filter: blur(100px);
    border-radius: 50%;
    z-index: -1;
    opacity: 0.2;
}

.blob-1 { top: -100px; right: -100px; }
.blob-2 { bottom: -100px; left: -100px; animation: pulse-blob 10s infinite alternate; }

@keyframes pulse-blob {
    from { transform: scale(1); opacity: 0.1; }
    to { transform: scale(1.2); opacity: 0.3; }
}

.container {
    max-width: 1200px;
    width: 100%;
}

/* Header */
header {
    text-align: center;
    margin-bottom: 3rem;
    animation: fadeInDown 0.8s ease-out;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
}

.logo h1 {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 800;
}

.logo span {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    font-size: 1.1rem;
    color: var(--secondary-text);
}

/* Glass Card */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 2.5rem;
    margin-bottom: 2rem;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    transition: var(--transition);
}

/* Model Status */
.status-indicator {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    font-weight: 600;
    color: var(--secondary-text);
}

.pulse {
    width: 12px;
    height: 12px;
    background: var(--accent-color);
    border-radius: 50%;
    box-shadow: 0 0 0 0 var(--accent-glow);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 var(--accent-glow); }
    70% { transform: scale(1); box-shadow: 0 0 0 10px rgba(99, 102, 241, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(99, 102, 241, 0); }
}

/* Settings Panel */
.settings-panel {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 16px;
    margin-bottom: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.settings-panel h3 {
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--accent-color);
}

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

.setting-item label {
    font-size: 0.9rem;
    font-weight: 600;
}

.slider-container {
    display: flex;
    align-items: center;
    gap: 1rem;
}

input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 5px;
    outline: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    background: var(--accent-color);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 0 10px var(--accent-glow);
    transition: var(--transition);
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.value-badge {
    min-width: 60px;
    text-align: center;
    background: var(--accent-color);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: bold;
}

/* Filter Panel */
.filter-panel {
    margin-bottom: 2rem;
    padding: 0.5rem 1rem;
}

.checkbox-container {
    display: flex;
    align-items: center;
    position: relative;
    padding-left: 35px;
    cursor: pointer;
    font-size: 0.95rem;
    user-select: none;
    color: var(--secondary-text);
}

.checkbox-container input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.checkmark {
    position: absolute;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    height: 22px;
    width: 22px;
    background-color: rgba(255, 255, 255, 0.05);
    border: 2px solid var(--glass-border);
    border-radius: 6px;
    transition: var(--transition);
}

.checkbox-container:hover input ~ .checkmark {
    background-color: rgba(255, 255, 255, 0.1);
}

.checkbox-container input:checked ~ .checkmark {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
}

.checkmark:after {
    content: "";
    position: absolute;
    display: none;
}

.checkbox-container input:checked ~ .checkmark:after {
    display: block;
}

.checkbox-container .checkmark:after {
    left: 7px;
    top: 3px;
    width: 5px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

/* Upload Area */
.upload-area {
    text-align: center;
    border: 2px dashed rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 3rem;
    transition: var(--transition);
    cursor: pointer;
}

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

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

.upload-area h2 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.upload-area p {
    color: var(--secondary-text);
    margin-bottom: 2rem;
}

/* Buttons */
.btn {
    padding: 0.85rem 2rem;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1rem;
    transition: var(--transition);
}

.primary-btn {
    background: var(--accent-gradient);
    color: white;
}

.primary-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -5px var(--accent-glow);
}

.primary-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.secondary-btn {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.accent-btn {
    background: var(--secondary-accent);
    color: #000;
}

/* Progress Section */
.progress-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    color: var(--secondary-text);
}

.progress-bar-container {
    height: 12px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 6px;
    overflow: hidden;
    margin-bottom: 1.5rem;
}

.progress-bar {
    height: 100%;
    width: 0%;
    background: var(--accent-gradient);
    transition: width 0.3s ease;
}

.processing-controls {
    display: flex;
    gap: 1rem;
}

/* Report Summary */
.report-summary {
    margin-top: 2rem;
    padding: 1.5rem;
    background: rgba(99, 102, 241, 0.05);
    border: 1px dashed var(--accent-color);
    border-radius: 16px;
    animation: fadeInUp 0.5s ease-out;
}

.report-summary h4 {
    margin-bottom: 1rem;
    color: var(--accent-color);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.report-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.report-item {
    display: flex;
    flex-direction: column;
}

.report-label {
    font-size: 0.8rem;
    color: var(--secondary-text);
    margin-bottom: 0.25rem;
}

.report-value {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-text);
}

/* Results Grid */
.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    animation: fadeInUp 0.8s ease-out;
}

.img-card {
    background: var(--glass-bg);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--glass-border);
    transition: var(--transition);
}

.img-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
}

.preview-container {
    position: relative;
    width: 100%;
    aspect-ratio: auto; /* Allow natural ratio */
    min-height: 200px;
    background: #000; /* Backdrop for contain */
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.preview-image {
    max-width: 100%;
    max-height: 400px;
    height: auto;
    object-fit: contain;
}

.card-info {
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.card-title {
    font-size: 0.9rem;
    color: var(--secondary-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Utility */
.hidden { display: none !important; }

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

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

footer {
    text-align: center;
    padding-top: 3rem;
    color: var(--secondary-text);
    font-size: 0.9rem;
}