@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700;800&display=swap');

:root {
    --bg-base: #0f0f23;
    --indigo: #6366f1;
    --purple: #8b5cf6;
    --text-primary: #fff;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1)
}

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

body {
    font-family: Inter, sans-serif;
    background: var(--bg-base);
    color: var(--text-primary);
    min-height: 100vh
}

.gradient-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: linear-gradient(135deg, #1a1a3e 0%, #2d1b4e 50%, #1e3a5f 100%)
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px
}

.header {
    text-align: center;
    margin-bottom: 40px
}

.title {
    font-size: clamp(2rem, 6vw, 3.5rem);
    font-weight: 800;
    background: linear-gradient(135deg, var(--indigo), var(--purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 12px
}

.subtitle {
    font-size: 1.1rem;
    color: #cbd5e1;
    font-weight: 300
}

.main-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 30px
}

.canvas-panel,
.frames-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(24px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 24px
}

#pixelCanvas {
    width: 100%;
    height: 400px;
    background: #000;
    border-radius: 12px;
    cursor: crosshair;
    image-rendering: pixelated
}

.tools {
    display: flex;
    gap: 12px;
    margin-top: 20px
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    cursor: pointer;
    font-family: Inter, sans-serif;
    font-weight: 600
}

.btn-primary {
    background: linear-gradient(135deg, var(--indigo), var(--purple))
}

#framesList {
    display: grid;
    gap: 8px;
    margin: 20px 0
}

.frame-item {
    padding: 12px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    cursor: pointer
}

.frame-item.active {
    background: var(--indigo)
}

@media (max-width:968px) {
    .main-content {
        grid-template-columns: 1fr
    }
}