:root {
    /* Pastel Color Palette */
    --primary-color: #76b5c5;       /* Soft Teal Blue */
    --primary-hover: #5da0b0;
    --secondary-color: #e28743;     /* Muted Orange/Terra Cotta (Accent) */
    --bg-light: #f8f9fa;            /* Very light gray/white for main background */
    --sidebar-bg: #e3f2fd; /* Light Blue-ish White */
    --text-dark: #495057;
    --text-muted: #6c757d;
    --card-shadow: 0 4px 6px rgba(0,0,0,0.05);
    
    /* Specific Vet-Themed Pastels */
    --pastel-green: #c1e1c1;
    --pastel-blue: #aec6cf;
    --pastel-pink: #ffb7b2;
    --pastel-yellow: #fdfd96;
}

body {
    font-family: 'Outfit', 'Inter', sans-serif; /* Modern, friendly font */
    background-color: var(--bg-light);
    color: var(--text-dark);
    margin: 0;
    overflow-x: hidden;
}

/* Sidebar Styling */
.sidebar {
    height: 100vh;
    background: #ffffff;
    box-shadow: 2px 0 10px rgba(0,0,0,0.02);
    position: fixed;
    top: 0;
    left: 0;
    width: 260px;
    z-index: 1000;
    transition: all 0.3s ease;
    border-right: 1px solid #f0f0f0;
}

.sidebar-brand {
    padding: 2rem 1.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.sidebar-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-menu li {
    padding: 0.2rem 1rem;
}

.sidebar-menu a {
    display: flex;
    align-items: center;
    padding: 0.8rem 1rem;
    color: var(--text-dark);
    text-decoration: none;
    border-radius: 12px;
    transition: all 0.2s ease;
    font-weight: 500;
    font-size: 0.95rem;
}

.sidebar-menu a i {
    margin-right: 12px;
    width: 20px;
    text-align: center;
    color: var(--primary-color);
}

.sidebar-menu a:hover, .sidebar-menu a.active {
    background-color: var(--sidebar-bg);
    color: var(--primary-color);
}

/* Main Content Area */
.main-content {
    margin-left: 260px;
    padding: 2rem;
    transition: all 0.3s ease;
}

/* Navbar (Top Bar) */
.navbar-custom {
    background: transparent;
    padding: 0.5rem 0;
    margin-bottom: 2rem;
}

/* Cards */
.card-custom {
    background: #fff;
    border: none;
    border-radius: 20px;
    box-shadow: var(--card-shadow);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    overflow: hidden;
}

.card-custom:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.08);
}

.card-icon-bg {
    width: 50px;
    height: 50px;
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.bg-pastel-green { background-color: rgba(193, 225, 193, 0.4); color: #2e7d32; }
.bg-pastel-blue { background-color: rgba(174, 198, 207, 0.4); color: #1565c0; }
.bg-pastel-pink { background-color: rgba(255, 183, 178, 0.4); color: #c62828; }
.bg-pastel-yellow { background-color: rgba(253, 253, 150, 0.4); color: #f9a825; }

/* Typography & Titles */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    color: #333;
}

.page-title {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

/* Buttons */
.btn-primary-custom {
    background-color: var(--primary-color);
    border: none;
    border-radius: 10px;
    padding: 0.6rem 1.5rem;
    color: white;
    font-weight: 600;
}

.btn-primary-custom:hover {
    background-color: var(--primary-hover);
    color: white;
}

/* Utility */
.text-xs { font-size: 0.85rem; }
.font-weight-600 { font-weight: 600; }