/* Chromatic Aura Design System - Image Color Palette */
:root {
    --bg-dark: #0a0a0f;
    --aura-primary: #ff00ff;
    --aura-secondary: #00ffff;
    --aura-accent: #ffff00;
    --aura-gradient: linear-gradient(135deg, #ff00ff, #00ffff, #ffff00);
    --text-main: #f0f0ff;
    --text-dim: #a0a0b0;
    --card-bg: rgba(20, 20, 30, 0.7);
    --border-glow: rgba(255, 0, 255, 0.2);
    --transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes aura-shift {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

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

body {
    background: var(--bg-dark);
    color: var(--text-main);
    font-family: 'Montserrat', sans-serif;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

.aura-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: radial-gradient(circle at 20% 30%, rgba(255, 0, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(0, 255, 255, 0.1) 0%, transparent 50%);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
    width: 100%;
}

header {
    text-align: center;
    margin-bottom: 60px;
}

h1 {
    font-family: 'Chakra Petch', sans-serif;
    font-size: 3.5rem;
    background: var(--aura-gradient);
    background-size: 200% 200%;
    animation: aura-shift 5s infinite linear;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 20px;
    text-transform: uppercase;
    font-weight: 800;
}

.subtitle {
    color: var(--text-dim);
    font-size: 1.2rem;
    letter-spacing: 2px;
}

/* Upload Zone */
.upload-container {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    border: 2px dashed var(--aura-secondary);
    border-radius: 24px;
    padding: 60px 40px;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
    margin-bottom: 40px;
}

.upload-container:hover {
    border-color: var(--aura-primary);
    box-shadow: 0 0 30px rgba(255, 0, 255, 0.1);
    transform: scale(1.01);
}

.upload-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    display: block;
}

/* Gallery & Workspace */
.workspace {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 40px;
    margin-top: 40px;
}

.preview-pane {
    background: var(--card-bg);
    border-radius: 24px;
    padding: 20px;
    border: 1px solid var(--border-glow);
    display: flex;
    flex-direction: column;
}

#active-image {
    width: 100%;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    margin-bottom: 20px;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: 15px;
    max-height: 200px;
    overflow-y: auto;
    padding: 10px;
}

.gallery-item {
    width: 100%;
    aspect-ratio: 1;
    border-radius: 8px;
    object-fit: cover;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition);
}

.gallery-item.active {
    border-color: var(--aura-secondary);
    box-shadow: 0 0 10px var(--aura-secondary);
}

/* Palette Pane */
.palette-pane {
    background: var(--card-bg);
    border-radius: 24px;
    padding: 30px;
    border: 1px solid var(--border-glow);
}

.pane-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.palette-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: 20px;
}

.swatch-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
    position: relative;
}

.swatch-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}

.swatch-color {
    height: 100px;
    width: 100%;
}

.swatch-info {
    padding: 12px;
    text-align: center;
}

.swatch-hex {
    font-family: 'Fira Code', monospace;
    font-size: 0.9rem;
    font-weight: 600;
}

/* Controls */
.controls-bar {
    display: flex;
    gap: 10px;
    margin-bottom: 25px;
    flex-wrap: wrap;
}

.btn {
    padding: 10px 20px;
    border-radius: 12px;
    border: 1px solid var(--aura-secondary);
    background: transparent;
    color: var(--aura-secondary);
    font-family: 'Chakra Petch', sans-serif;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn:hover {
    background: var(--aura-secondary);
    color: #000;
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.3);
}

.btn-primary {
    background: var(--aura-gradient);
    border: none;
    color: #000;
}

/* Info Section */
.info-section {
    margin-top: 80px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.info-card {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 24px;
    border: 1px solid var(--border-glow);
}

.info-card h3 {
    color: var(--aura-secondary);
    margin-bottom: 20px;
    font-family: 'Chakra Petch', sans-serif;
    font-size: 1.5rem;
}

.info-card p {
    color: var(--text-dim);
    line-height: 1.8;
}

/* Footer & Bilingual Content */
footer {
    margin-top: 100px;
    padding: 60px 20px;
    background: rgba(0, 0, 0, 0.4);
    border-top: 1px solid var(--border-glow);
}

.footer-bilingual {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    max-width: 1200px;
    margin: 0 auto;
    text-align: left;
}

.bilingual-block {
    font-size: 0.95rem;
    line-height: 1.8;
}

.bilingual-block h4 {
    color: var(--aura-primary);
    margin-bottom: 20px;
    font-family: 'Chakra Petch', sans-serif;
    font-size: 1.2rem;
}

.bilingual-block p {
    color: var(--text-dim);
    margin-bottom: 15px;
}

/* Toast */
.toast {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: var(--aura-gradient);
    color: #000;
    padding: 15px 30px;
    border-radius: 50px;
    font-weight: 700;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    z-index: 1000;
    animation: bounceIn 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes bounceIn {
    0% {
        transform: translateY(100px) scale(0.5);
        opacity: 0;
    }

    100% {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
}

@media (max-width: 992px) {
    .workspace {
        grid-template-columns: 1fr;
    }

    .footer-bilingual {
        grid-template-columns: 1fr;
    }

    h1 {
        font-size: 2.5rem;
    }
}