:root {
    --pastel-blue-light: #E8F1F5;
    --pastel-blue: #A8DADC;
    --pastel-blue-dark: #457B9D;
    --pastel-pink-light: #FFE5EC;
    --pastel-pink: #FFB3C6;
    --pastel-pink-accent: #FB6F92;
    --bg-color: #F8F9FA;
    --text-color: #2D3748;
}

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

/* Sidebar Styling */
.sidebar {
    background: linear-gradient(135deg, #fcd4d6 0%, #E2ECE9 50%, #bde4ea 100%);
    border-right: 2px solid var(--pastel-blue);
    min-height: 100vh;
}

.sidebar .nav-link {
    color: var(--pastel-blue-dark);
    font-weight: 600;
    margin-bottom: 5px;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.sidebar .nav-link:hover, .sidebar .nav-link.active {
    background-color: var(--pastel-pink-light);
    color: var(--pastel-pink-accent);
}

/* Checklist Item Card Styling */
.checklist-card {
    background-color: #FFFFFF;
    border-left: 5px solid var(--pastel-blue);
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.03);
    transition: transform 0.1s ease;
}

.checklist-card.completed {
    border-left-color: var(--pastel-pink-accent);
    background-color: var(--pastel-pink-light);
    text-decoration: line-through;
    opacity: 0.85;
}

/* Badges & Buttons */
.btn-pastel-primary {
    background-color: var(--pastel-blue);
    color: #1D3557;
    border: none;
    font-weight: 600;
}

.btn-pastel-primary:hover {
    background-color: var(--pastel-blue-dark);
    color: #FFFFFF;
}

.btn-pastel-pink {
    background-color: var(--pastel-pink);
    color: #5C0029;
    border: none;
    font-weight: 600;
}

.btn-pastel-pink:hover {
    background-color: var(--pastel-pink-accent);
    color: #FFFFFF;
}

/* Mobile Adjustments */
@media (max-width: 768px) {
    .sidebar {
        min-height: auto;
    }
}

/* Custom Header Styling */
.page-header-title {
    background-color: var(--pastel-blue-light);
    padding: 15px 20px;
    border-radius: 12px;
    border-bottom: 4px solid var(--pastel-pink-accent);
    margin-bottom: 25px;
}