/* assets/css/style.css */
:root {
    --bg-dark: #111827;       /* Fundo muito escuro (Body) */
    --bg-card: #1f2937;       /* Fundo dos cartões/paineis */
    --bg-input: #374151;      /* Fundo de inputs */
    --text-main: #f3f4f6;     /* Texto principal (Branco) */
    --text-muted: #9ca3af;    /* Texto secundário (Cinza) */
    --primary: #3b82f6;       /* Azul (Botão Upload/Ações) */
    --danger: #ef4444;        /* Vermelho (Gravar) */
    --success: #22c55e;       /* Verde (Upgrade/Sucesso) */
    --border-color: #374151;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* Navbar */
.navbar {
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
}

.navbar-brand {
    color: var(--text-main) !important;
    font-weight: 700;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-link {
    color: var(--text-muted) !important;
    transition: 0.3s;
}

.nav-link:hover {
    color: var(--text-main) !important;
}

/* Botões Personalizados */
.btn-primary-custom {
    background-color: var(--primary);
    border: none;
    color: white;
    padding: 10px 24px;
    border-radius: 6px;
    font-weight: 600;
}

.btn-outline-light {
    border-color: var(--border-color);
    color: var(--text-main);
}

.btn-outline-light:hover {
    background-color: var(--bg-input);
    border-color: var(--text-muted);
}

/* Hero Section */
.hero-section {
    padding: 100px 0;
    text-align: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 20px;
    background: -webkit-linear-gradient(45deg, #3b82f6, #22c55e);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Cards de Funcionalidade */
.feature-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 30px;
    height: 100%;
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--success);
}

/* Footer */
footer {
    background-color: var(--bg-card);
    border-top: 1px solid var(--border-color);
    padding: 40px 0;
    margin-top: 80px;
    text-align: center;
    color: var(--text-muted);
}