:root {
    --app-primary: #052767;
    --app-primary-dark: #031a45;
    --app-secondary: #3a0647;
    --app-accent: #006bb7;
    --app-bg: #f0f2f5;
    --app-card-bg: #ffffff;
    --app-text: #1f2937;
    --app-text-muted: #6b7280;
    --app-border-color: #e5e7eb;
    --app-radius: 8px;
    --app-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --app-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --app-font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    
    /* Layout Variables */
    --app-header-height: 56px;
    --app-footer-height: 3.5rem; /* Mobile default */
}

@media (min-width: 992px) {
    :root {
        --app-footer-height: 5rem; /* Desktop default */
    }
}

html, body {
    font-family: var(--app-font-family);
    font-size: 14px; /* Smaller base font size for density */
    background-color: var(--app-bg);
    color: var(--app-text);
    -webkit-font-smoothing: antialiased;
    overscroll-behavior-y: none; /* Prevent pull-to-refresh on body */
}

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

a:hover {
    text-decoration: underline;
}

/* Button Refinements */
.btn {
    font-weight: 500;
    border-radius: var(--app-radius);
    padding: 0.375rem 0.75rem;
    font-size: 0.9rem;
    box-shadow: none !important; /* Remove Bootstrap glow */
}

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

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

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
    box-shadow: 0 0 0 2px rgba(5, 39, 103, 0.25); /* Subtle focus ring */
    border-color: var(--app-primary);
}

/* Card / Container Styling */
.card, .content-box {
    background-color: var(--app-card-bg);
    border-radius: var(--app-radius);
    border: 1px solid var(--app-border-color);
    box-shadow: var(--app-shadow);
    margin-bottom: 1rem;
    padding: 1rem;
}

.content {
    padding: 1rem; /* Consistent padding */
    max-width: 100%;
}

/* Form Controls */
.form-control, .form-select {
    border-radius: 6px;
    border: 1px solid #d1d5db;
    padding: 0.4rem 0.75rem; /* Slightly smaller padding */
    font-size: 0.9rem;
}

.form-label {
    margin-bottom: 0.25rem;
    font-weight: 500;
    color: var(--app-text);
    font-size: 0.85rem;
}

/* Table Styling */
.table {
    font-size: 0.9rem;
    margin-bottom: 0;
}

.table th {
    font-weight: 600;
    color: var(--app-text-muted);
    background-color: #f9fafb;
    border-bottom: 1px solid var(--app-border-color);
    text-transform: uppercase;
    font-size: 0.75rem;
    padding: 0.5rem;
}

.table td {
    vertical-align: middle;
    padding: 0.5rem;
    border-bottom: 1px solid var(--app-border-color);
}

/* .disabled-link {
    background-color: #EFF2F6 !important;
    pointer-events: none;
    color: #CAD5E2 !important;
    cursor: not-allowed;
    text-decoration: none;
}

.disabled-link div {
    background-color: #EFF2F6 !important;
}

    .disabled-link div div i, .disabled-link div div h6 {
        color: #CAD5E2 !important;
    }*/

/* Mobile Optimizations */
@media (max-width: 640px) {
    .card, .content-box {
        padding: 0.75rem;
        margin-bottom: 0.75rem;
        border-radius: 6px;
        box-shadow: 0 1px 2px rgba(0,0,0,0.05);
    }
    
    .content {
        padding: 0.5rem !important;
    }
    
    h1, .h1 { font-size: 1.5rem; }
    h2, .h2 { font-size: 1.25rem; }
    h3, .h3 { font-size: 1.1rem; }
    h4, .h4 { font-size: 1rem; }
    
    .btn {
        padding: 0.25rem 0.5rem;
        font-size: 0.85rem;
    }
    
    .table th, .table td {
        padding: 0.35rem;
        font-size: 0.8rem;
    }
    
    /* Improve input touch targets */
    .form-control, .form-select {
        font-size: 16px; /* Prevent zoom on focus in iOS */
    }
}