:root {
    --bg-dark: #0f1115;
    --bg-card: #181b21;
    --bg-card-hover: #22262e;
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --text-main: #ffffff;
    --text-muted: #94a3b8;
    --border: #2d3748;
    --radius: 16px;
    --shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
    --font-main: 'Outfit', sans-serif;
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-main);
    line-height: 1.6;
    min-height: 100vh;
    padding: 2rem;
}

.app-container {
    max-width: 1200px;
    margin: 0 auto;
}

header {
    text-align: center;
    margin-bottom: 3rem;
}

header h1 {
    font-size: 3rem;
    font-weight: 700;
    background: linear-gradient(to right, #fff, #94a3b8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

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

/* Upload Zone */
.upload-zone {
    background: var(--bg-card);
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    padding: 4rem 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: 2rem;
}

.upload-zone:hover,
.upload-zone.drag-over {
    border-color: var(--primary);
    background: var(--bg-card-hover);
    transform: translateY(-2px);
}

.upload-icon {
    color: var(--primary);
    margin-bottom: 1rem;
}

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

#loading-state {
    text-align: center;
    padding: 3rem;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--bg-card);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

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

/* Results Grid */
#results-container {
    display: grid;
    gap: 2rem;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.image-preview-card,
.palette-card,
.objects-section {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 1.5rem;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.button-group {
    display: flex;
    gap: 0.5rem;
}

.btn-secondary {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-muted);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    font-family: inherit;
    transition: all 0.2s;
}

.btn-secondary.active {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}

.btn-secondary:hover {
    border-color: var(--primary);
    color: var(--text-main);
}

.crosshair {
    cursor: crosshair !important;
}


.image-wrapper {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    background: #000;
}

#uploaded-image {
    display: block;
    width: 100%;
    height: auto;
    max-height: 600px;
    object-fit: contain;
}

#overlay-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

/* Color Palette */
.color-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: 1rem;
}

.color-swatch {
    height: 80px;
    border-radius: 12px;
    position: relative;
    cursor: pointer;
    transition: transform 0.2s;
}

.color-swatch:hover {
    transform: scale(1.05);
}

.color-hex {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.6);
    color: #fff;
    font-size: 0.75rem;
    padding: 4px;
    text-align: center;
    border-bottom-left-radius: 12px;
    border-bottom-right-radius: 12px;
}

/* Objects Grid */
.objects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 1rem;
}

.object-card {
    background: var(--bg-card-hover);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border);
    transition: transform 0.2s;
}

.object-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary);
}

.object-crop {
    width: 100%;
    height: 150px;
    object-fit: cover;
    background: #000;
}

.object-info {
    padding: 1rem;
}

.object-name {
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    text-transform: capitalize;
}

.object-colors {
    display: flex;
    gap: 0.5rem;
}

.mini-swatch {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.1);
}