:root { 
    /* Paleta Profissional Dark Mode */
    --accent: #00a8ff; 
    --bg-dark: #121214;
    --panel-bg: rgba(28, 28, 30, 0.85); 
    --border-color: rgba(255, 255, 255, 0.1);
    --text-main: #e1e1e6;
    --text-dim: #a8a8b3;
    
    /* Cores de Eixo - Roblox Studio Style */
    --axis-x: #ff4757;
    --axis-y: #2ed573;
    --axis-z: #1e90ff;
    
    --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

body { 
    margin: 0; 
    padding: 0;
    width: 100vw;
    height: 100vh;
    background: radial-gradient(circle at center, #3d3d43 0%, #1a1a1c 100%);
    color: var(--text-main); 
    font-family: 'Inter', 'Segoe UI', system-ui, sans-serif; 
    overflow: hidden; 
    user-select: none;
}

/* Header / Top Bar */
#ui { 
    position: fixed; 
    top: 0; 
    width: 100%; 
    background: var(--panel-bg); 
    padding: 10px 20px; 
    z-index: 100; 
    border-bottom: 1px solid var(--border-color); 
    backdrop-filter: blur(20px); 
    box-sizing: border-box; 
    display: flex; 
    flex-direction: row; 
    justify-content: space-between;
    align-items: center; 
}

h3 { 
    margin: 0; 
    font-size: 11px; 
    color: var(--accent); 
    text-transform: uppercase; 
    letter-spacing: 2px; 
    font-weight: 800;
}

.upload-btn { 
    background: rgba(255, 255, 255, 0.03); 
    border: 1px solid var(--border-color); 
    border-radius: 4px; 
    padding: 4px 8px; 
    transition: var(--transition); 
}

.upload-btn:hover { 
    background: rgba(255, 255, 255, 0.08); 
    border-color: var(--accent); 
}

input[type="file"] { 
    color: var(--text-dim); 
    cursor: pointer; 
    font-size: 10px; 
    width: 180px;
}

/* Painel de Ferramentas Lateral */
#toolbar { 
    position: fixed; 
    right: 15px; 
    top: 65px; 
    width: 170px;
    background: var(--panel-bg);
    padding: 16px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    backdrop-filter: blur(20px);
    display: flex; 
    flex-direction: column; 
    gap: 20px; /* Aumentado para separar melhor os grupos */
    z-index: 90; 
    box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}

.tool-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* Estilo para o grupo de exportação (na parte de baixo) */
.export-group {
    margin-top: 10px;
    padding-top: 15px;
    border-top: 1px solid var(--border-color);
}

.label-small {
    font-size: 9px;
    color: var(--text-dim);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.tool-btn { 
    background: #29292e; 
    border: 1px solid var(--border-color); 
    color: var(--text-main); 
    padding: 10px; 
    border-radius: 4px; 
    cursor: pointer; 
    font-size: 10px; 
    font-weight: 700;
    transition: var(--transition);
    text-align: center;
    text-transform: uppercase;
}

.tool-btn:hover { 
    background: #323238;
    border-color: var(--accent);
    color: #fff;
}

.tool-btn:active {
    transform: scale(0.96);
}

/* Botão de Exportação Especial */
.export-btn {
    background: rgba(0, 168, 255, 0.05);
    border-color: rgba(0, 168, 255, 0.2);
}

.export-btn:hover {
    background: var(--accent);
    border-color: var(--accent);
}

/* Grid de Rotação e Exportação */
.rotation-grid, .export-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 6px;
}

.export-grid {
    grid-template-columns: 1fr 1fr; /* OBJ e FBX lado a lado */
}

input[type="number"] {
    background: #121214;
    border: 1px solid var(--border-color);
    color: var(--accent);
    padding: 8px;
    border-radius: 4px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 14px;
    outline: none;
    text-align: center;
    width: 100%;
    box-sizing: border-box;
}

.btn-x { border-left: 4px solid var(--axis-x) !important; }
.btn-y { border-left: 4px solid var(--axis-y) !important; }
.btn-z { border-left: 4px solid var(--axis-z) !important; }

/* Status Inferior */
#status-container { 
    position: fixed; 
    bottom: 25px; 
    left: 50%;
    transform: translateX(-50%);
    width: auto;
    display: flex; 
    flex-direction: column; 
    align-items: center; 
    pointer-events: none; 
    z-index: 100; 
}

#status { 
    background: rgba(18, 18, 20, 0.9); 
    padding: 6px 14px; 
    border-radius: 4px; 
    border: 1px solid var(--border-color); 
    font-size: 9px; 
    font-weight: 800; 
    color: var(--accent);
    margin-bottom: 8px;
}

#progress-bg { 
    width: 180px; 
    height: 3px; 
    background: rgba(255,255,255,0.05); 
    border-radius: 2px; 
    overflow: hidden; 
}

#progress-bar { 
    width: 0%; 
    height: 100%; 
    background: var(--accent); 
    box-shadow: 0 0 15px var(--accent); 
}

@media (max-width: 600px) {
    #ui { padding: 8px 12px; }
    #toolbar { width: 140px; right: 10px; top: 60px; padding: 12px; }
    input[type="file"] { width: 120px; }
}

input[type="color"]::-webkit-color-swatch {
    border-radius: 2px;
    border: 1px solid rgba(255,255,255,0.2);
}