:root {
    /* --- Paleta Deep Violet --- */

    /* Fundos (Dark Slate / Midnight) */
    --bg-body: #0f1115;
    /* Preto levemente azulado/acinzentado */
    --bg-card: #161b22;
    /* Um tom acima para destacar os cards */
    --bg-input: #0d1117;
    /* Fundo profundo para inputs */
    --border-color: #30363d;
    /* Bordas discretas */

    /* Acentos (Roxo Elétrico) */
    --primary-purple: #8b5cf6;
    /* Roxo vibrante (Violet 500) */
    --primary-hover: #7c3aed;
    /* Roxo um pouco mais escuro para hover */
    --purple-glow: rgba(139, 92, 246, 0.5);
    /* Brilho difuso */

    /* Badges e Detalhes */
    --badge-bg: rgba(139, 92, 246, 0.1);
    --badge-text: #a78bfa;
    /* Roxo claro lavanda para texto */

    /* Texto */
    --text-main: #f0f6fc;
    /* Branco levemente frio */
    --text-muted: #8b949e;
    /* Cinza médio */

    --upload-bg: #161b22;
    /* Fundo do card externo */
    --upload-inner: #0d1117;
    /* Fundo da área tracejada (opcional, usei transparente abaixo) */
    --border-dashed: #30363d;
    /* Cor da linha tracejada */
    --icon-bg: rgba(139, 92, 246, 0.1);
    /* Fundo do ícone (Roxo translúcido) */
    --icon-color: #a78bfa;
    /* Cor do ícone (Roxo claro) */
    --text-muted: #8b949e;
}

body {
    background-color: var(--bg-body);
    color: var(--text-main);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    -webkit-font-smoothing: antialiased;
    /* Deixa a fonte mais nítida */
}

/* --- Tipografia e Títulos --- */

/* Gradiente no Texto (Efeito Premium) */
.text-highlight {
    background: linear-gradient(90deg, #a78bfa, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 800;
}

/* --- Cards (Glass / Flat) --- */
.glass-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);

    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    /* Sombra suave */
}

/* --- Inputs (Área de Texto e Configuração) --- */
.input-dark,
.form-select,
.form-range {
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    color: var(--text-main);

    transition: all 0.2s ease;
}

.input-dark:focus,
.form-select:focus {
    background-color: var(--bg-input);
    border-color: var(--primary-purple);
    /* Borda roxa ao clicar */
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.15);
    /* Anel de foco roxo suave */
    color: var(--text-main);
    outline: none;
}

/* --- Botão Principal (O destaque) --- */
.btn-glow {
    background-color: var(--primary-purple);
    color: #fff;
    font-weight: 600;
    border: none;

    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 0 15px var(--purple-glow);
    /* Brilho neon */
}

.btn-glow:hover:not(:disabled) {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 0 25px var(--purple-glow);
}

.btn-glow:disabled {
    background-color: var(--border-color);
    box-shadow: none;
    opacity: 0.6;
}

/* --- Badges (Tags) --- */
.badge-custom {
    background-color: var(--badge-bg);
    color: var(--badge-text);
    border: 1px solid rgba(139, 92, 246, 0.2);

    /* Bem arredondado */
    padding: 6px 14px;
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.5px;
}

/* --- Range Slider Customizado --- */
input[type=range]::-webkit-slider-thumb {
    background: var(--primary-purple);
    box-shadow: 0 0 10px var(--purple-glow);
}

input[type=range]::-webkit-slider-runnable-track {
    background: #30363d;
}

/* --- Ícones --- */
.icon-purple {
    color: var(--primary-purple);
}

/* Animação */
.pulse-purple {
    animation: pulse-purple 2s infinite;
}

@keyframes pulse-purple {
    0% {
        color: var(--text-muted);
        text-shadow: none;
    }

    50% {
        color: var(--primary-purple);
        text-shadow: 0 0 20px var(--primary-purple);
    }

    100% {
        color: var(--text-muted);
        text-shadow: none;
    }
}


/* O Card Externo (Container) */
.upload-card {
    background-color: var(--upload-bg);
    border: 1px solid var(--border-dashed);

    padding: 1.5rem;
    width: 100%;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

/* A Área Tracejada (Dropzone) */
.upload-area {
    display: block;
    width: 100%;
    min-height: 300px;
    /* Altura fixa para ficar igual ao print */
    border: 2px dashed var(--border-dashed);

    background-color: transparent;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
}

/* Efeito Hover na Área de Upload */
.upload-area:hover {
    border-color: var(--primary-purple);
    /* Fica roxo ao passar o mouse */
    background-color: rgba(139, 92, 246, 0.02);
    /* Leve fundo roxo */
}

/* O Círculo do Ícone */
.icon-circle {
    width: 80px;
    height: 80px;
    background-color: var(--icon-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--icon-color);
    transition: transform 0.3s ease;
}

/* Animação do Ícone ao passar o mouse no card */
.upload-area:hover .icon-circle {
    transform: scale(1.1);
    /* O ícone cresce levemente */
    box-shadow: 0 0 20px rgba(139, 92, 246, 0.3);
    color: #fff;
}

/* Texto de Privacidade (Icone pequeno + Texto) */
.privacy-badge {
    color: #565e69;
    /* Cinza bem escuro, quase invisível como na imagem */
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1rem;
}

.privacy-badge i {
    font-size: 1rem;
}

/* Custom Upload Area for logo and file inputs */
.upload-area-custom {
    border: 2px dashed var(--border-dashed);
    border-radius: 8px;
    background-color: transparent;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    color: var(--text-muted);
    /* Ensure text color is muted */
}

.upload-area-custom:hover {
    border-color: var(--primary-purple);
    background-color: rgba(139, 92, 246, 0.02);
}

.upload-area-custom i {
    color: var(--text-muted);
    transition: color 0.3s ease;
}

.upload-area-custom:hover i {
    color: var(--primary-purple);
}

/* Nav Pills (Tabs) Styling */
.nav-pills .nav-link {
    background-color: var(--bg-card);
    /* Inactive tab background */
    color: var(--text-muted);
    /* Inactive tab text */
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-right: 5px;
    /* Spacing between tabs */
    transition: all 0.2s ease;
}

.nav-pills .nav-link:hover {
    color: var(--text-main);
    background-color: var(--bg-input);
    /* Slight hover effect */
}

.nav-pills .nav-link.active {
    background-color: var(--primary-purple);
    /* Active tab background */
    color: var(--text-main);
    /* Active tab text */
    border-color: var(--primary-purple);
    box-shadow: 0 0 10px var(--purple-glow);
}

/* Adjust Bootstrap form-switch for borderless option */
.form-check-input:checked {
    background-color: var(--primary-purple);
    border-color: var(--primary-purple);
}

.form-check-input:focus {
    border-color: var(--primary-purple);
    box-shadow: 0 0 0 0.25rem rgba(139, 92, 246, 0.25);
}

/* Neon Text */
.neon-text {
    color: var(--primary-purple);
    /* Ensure neon text is purple */
}

.footer-links {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}

.footer-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}

.footer-link svg {
    width: 16px;
    height: 16px;
}