:root {
    --primary-color: #0CB8B6;
    --secondary-color: #ABB0B2;
    --tertiary-color: #c1c1c1;
    --white: #ffffff;
}

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

.navbar-brand {
    font-weight: bold;
    font-size: 1.5rem;
}

.sidebar {
    min-height: calc(100vh - 56px);
    box-shadow: 2px 0 5px rgba(0,0,0,0.1);
}

.sidebar .nav-link {
    color: #333;
    padding: 0.75rem 1rem;
    transition: all 0.3s;
}

.sidebar .nav-link:hover {
    background-color: var(--primary-color);
    color: white;
}

.sidebar .nav-link.active {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-primary:hover {
    background-color: #0a9a98;
    border-color: #0a9a98;
}

.card {
    border: none;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.table th {
    background-color: var(--primary-color);
    color: white;
}

.badge {
    padding: 0.5rem 1rem;
    border-radius: 20px;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(12,184,182,0.25);
}