:root {
    --primary: #8b5cf6;
    --primary-glow: rgba(139, 92, 246, 0.5);
    --secondary: #ec4899;
    --background: #0f172a;
    --card-bg: rgba(30, 41, 59, 0.7);
    --text: #f8fafc;
    --text-muted: #94a3b8;
    --glass-border: rgba(255, 255, 255, 0.1);
    --success: #10b981;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Outfit', sans-serif;
}

body {
    background-color: var(--background);
    color: var(--text);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.6;
}

/* Background Blobs */
.background-blobs {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    filter: blur(80px);
    opacity: 0.4;
}

.blob {
    position: absolute;
    border-radius: 50%;
}

.blob-1 {
    width: 400px;
    height: 400px;
    background: var(--primary);
    top: -100px;
    right: -100px;
    animation: move 20s infinite alternate;
}

.blob-2 {
    width: 300px;
    height: 300px;
    background: var(--secondary);
    bottom: -50px;
    left: -50px;
    animation: move 15s infinite alternate-reverse;
}

.blob-3 {
    width: 250px;
    height: 250px;
    background: #3b82f6;
    top: 40%;
    left: 20%;
    animation: move 25s infinite alternate;
}

@keyframes move {
    from { transform: translate(0, 0); }
    to { transform: translate(100px, 100px); }
}

/* Header */
header {
    padding: 1.5rem 2rem;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -1px;
}

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

.badge {
    font-size: 0.7rem;
    background: var(--primary);
    padding: 2px 6px;
    border-radius: 4px;
    vertical-align: middle;
    margin-left: 5px;
}

/* Main Content */
main {
    max-width: 1000px;
    margin: 4rem auto;
    padding: 0 2rem;
}

.hero {
    text-align: center;
    margin-bottom: 4rem;
}

h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    letter-spacing: -2px;
}

.highlight {
    color: var(--primary);
    position: relative;
}

.hero p {
    color: var(--text-muted);
    font-size: 1.25rem;
    max-width: 600px;
    margin: 0 auto;
}

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

.upload-zone {
    border: 2px dashed var(--glass-border);
    border-radius: 24px;
    padding: 4rem 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.02);
}

.upload-zone:hover {
    border-color: var(--primary);
    background: rgba(139, 92, 246, 0.05);
}

.upload-zone.dragover {
    border-color: var(--primary);
    background: rgba(139, 92, 246, 0.1);
    transform: scale(1.02);
}

.icon-wrapper {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    box-shadow: 0 10px 20px var(--primary-glow);
}

.icon-wrapper svg {
    width: 40px;
    height: 40px;
    color: white;
}

.hint {
    display: block;
    margin-top: 1rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Editor Section */
.editor-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 2rem;
}

h3 {
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.previews {
    display: flex;
    gap: 1.5rem;
    align-items: flex-end;
}

.preview-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.preview-box {
    background: #fff; /* Default checkboard could be here */
    border-radius: 4px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    background-size: cover;
    background-position: center;
    image-rendering: pixelated;
}

.size-16 { width: 16px; height: 16px; }
.size-32 { width: 32px; height: 32px; }
.size-180 { width: 120px; height: 120px; } /* scaled for UI */

.preview-item span {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Controls */
.control-group {
    margin-bottom: 2rem;
}

.control-group label {
    display: block;
    margin-bottom: 0.75rem;
    font-weight: 500;
}

.toggle-group {
    display: flex;
    background: rgba(0,0,0,0.2);
    padding: 4px;
    border-radius: 12px;
}

.toggle-group button {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-muted);
    padding: 8px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.2s;
}

.toggle-group button.active {
    background: var(--primary);
    color: white;
}

.color-picker-wrapper {
    display: flex;
    align-items: center;
    gap: 1rem;
}

input[type="color"] {
    -webkit-appearance: none;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    cursor: pointer;
}

input[type="color"]::-webkit-color-swatch-wrapper { padding: 0; }
input[type="color"]::-webkit-color-swatch { border: none; border-radius: 8px; }

/* Buttons */
.primary-btn {
    width: 100%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    border: none;
    padding: 1.25rem;
    border-radius: 16px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all 0.3s;
    box-shadow: 0 10px 20px var(--primary-glow);
}

.primary-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 30px var(--primary-glow);
}

.primary-btn svg {
    width: 20px;
    height: 20px;
}

/* Features */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 6rem;
}

.feature-card {
    text-align: center;
    padding: 2.5rem 1.5rem;
    transition: transform 0.3s;
}

.feature-card:hover { transform: translateY(-10px); }

.f-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.feature-card h4 { margin-bottom: 0.75rem; font-size: 1.2rem; }
.feature-card p { color: var(--text-muted); font-size: 0.95rem; }

/* Footer */
footer {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-muted);
    border-top: 1px solid var(--glass-border);
}

/* Animations */
.animate-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }

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

/* Responsive */
@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    .editor-grid { grid-template-columns: 1fr; }
    .features-grid { grid-template-columns: 1fr; }
}