/* Tema Dark Mode Moderno & Estilos Personalizados */
:root {
    --bg-dark: #0f172a;
    --bg-card: #1e293b;
    --bg-card-hover: #334155;
    --primary-color: #06b6d4; /* Ciano Elétrico */
    --primary-hover: #0891b2;
    --accent-purple: #8b5cf6;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --border-color: #334155;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    min-height: 100vh;
}

.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
}

.card-hover:hover {
    transform: translateY(-4px);
    transition: all 0.25s ease-in-out;
    border-color: var(--primary-color);
}

.bg-card {
    background-color: var(--bg-card) !important;
}

.text-cyan {
    color: var(--primary-color) !important;
}

.btn-cyan {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: #0f172a;
    font-weight: 600;
}

.btn-cyan:hover {
    background-color: var(--primary-hover);
    border-color: var(--primary-hover);
    color: #ffffff;
}

.btn-outline-cyan {
    border-color: var(--primary-color);
    color: var(--primary-color);
    font-weight: 600;
}

.btn-outline-cyan:hover {
    background-color: var(--primary-color);
    color: #0f172a;
}

.form-control, .form-select {
    background-color: #0f172a;
    border-color: var(--border-color);
    color: var(--text-main);
}

.form-control:focus, .form-select:focus {
    background-color: #111827;
    border-color: var(--primary-color);
    color: var(--text-main);
    box-shadow: 0 0 0 0.25rem rgba(6, 182, 212, 0.25);
}

/* Sidebar para Dashboard */
.sidebar {
    min-height: calc(100vh - 56px);
    background-color: #111827;
    border-right: 1px solid var(--border-color);
}

.sidebar .nav-link {
    color: var(--text-muted);
    padding: 0.75rem 1rem;
    font-weight: 500;
    border-radius: 8px;
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.sidebar .nav-link:hover, .sidebar .nav-link.active {
    color: #ffffff;
    background-color: #1e293b;
    border-left: 3px solid var(--primary-color);
}

/* Botão flutuante WhatsApp */
.whatsapp-float {
    position: fixed;
    bottom: 25px;
    right: 25px;
    background-color: #25d366;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    text-align: center;
    font-size: 32px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.4);
    z-index: 1050;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: transform 0.2s;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    color: white;
}

/* Credenciais Box */
.credentials-box {
    background: #090d16;
    border: 1px dashed var(--primary-color);
    border-radius: 10px;
    padding: 1.25rem;
}