:root {
    --primary-color: #012a4a;
    --secondary-color: #2a6f97;
    --accent-color: #00b4d8;
    --background-color: #f8f9fa;
    --text-color: #343a40;
    --card-bg: #ffffff;
    --success-color: #26b050;
    --error-color: #e50000;
}

html,
body {
    font-family: 'Segoe UI', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
}

a,
.btn-link {
    color: var(--secondary-color);
    text-decoration: none;
}

a:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

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

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

.content {
    padding: 2rem;
}

/* Card Styling for Dashboard */
.card {
    border: none;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    background-color: var(--card-bg);
    transition: transform 0.2s ease-in-out;
}

.card:hover {
    transform: translateY(-5px);
}

.card-header {
    background-color: transparent;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    font-weight: 600;
    color: var(--secondary-color);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.card-title {
    color: var(--primary-color);
    font-weight: 700;
    font-size: 1.5rem;
}

.card-text {
    color: #6c757d;
}

/* Special styling for the main total card */
.bg-primary {
    background-color: var(--primary-color) !important;
}

.bg-primary .card-header,
.bg-primary .card-title,
.bg-primary .card-text {
    color: #fff;
}

/* Top Navigation Bar */
.top-nav {
    background-color: var(--card-bg);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    padding: 0.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand-logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-links {
    display: flex;
    gap: 20px;
}

.nav-links a {
    color: var(--text-color);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: background-color 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
    background-color: rgba(42, 111, 151, 0.1);
    color: var(--secondary-color);
    text-decoration: none;
}

h1 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-weight: 300;
}

/* Stat Card Enhancements */
.stat-card {
    cursor: pointer;
    border: 1px solid transparent;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.12), 0 6px 6px rgba(0, 0, 0, 0.15);
    border-color: rgba(0, 0, 0, 0.05);
}

.stat-card.selected {
    background-color: rgba(1, 42, 74, 0.1);
    /* Light tint of primary color */
    border: 1px solid var(--primary-color);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.stat-card.selected .card-title,
.stat-card.selected h5 {
    color: var(--primary-color) !important;
    font-weight: bold;
}

/* Date control buttons override */
.btn-outline-primary.active {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}