/* General Body Styles */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
    background-color: #1C1C1E; /* Dark Mode Background */
    color: #F5F5F7; /* Dark Mode Text */
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Sidebar Navigation */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: 260px;
    background-color: #2C2C2E; /* Dark Mode Surface */
    border-right: 1px solid #3A3A3C;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
}

.sidebar .logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: #FFFFFF;
    margin-bottom: 2rem;
    text-align: center;
}

.sidebar .nav-link {
    color: #E5E5EA;
    font-size: 1rem;
    font-weight: 500;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    margin-bottom: 0.5rem;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.sidebar .nav-link:hover, .sidebar .nav-link.active {
    background-color: #0A84FF;
    color: #FFFFFF;
}

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

/* Header */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.header h1 {
    font-size: 2rem;
    font-weight: 700;
}

/* Buttons */
.btn-primary {
    background-color: #0A84FF;
    border-color: #0A84FF;
    border-radius: 8px;
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

.btn-primary:hover {
    background-color: #007BFF;
    border-color: #007BFF;
}

/* Cards */
.card {
    background-color: #2C2C2E; /* Dark Mode Surface */
    border: 1px solid #3A3A3C;
    border-radius: 12px;
    margin-bottom: 1.5rem;
}

.card-header {
    background-color: transparent;
    border-bottom: 1px solid #3A3A3C;
    font-weight: 600;
    padding: 1rem 1.5rem;
}

.card-body {
    padding: 1.5rem;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: #8E8E93;
}

.empty-state h5 {
    font-weight: 600;
    color: #E5E5EA;
}

/* KPI Cards */
.kpi-card .card-body {
    padding: 1.25rem;
}

.kpi-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    font-size: 1.5rem;
}

.kpi-value {
    font-size: 2rem;
    font-weight: 700;
    color: #FFFFFF;
    margin-bottom: 0;
}

.kpi-title {
    font-size: 0.9rem;
    color: #8E8E93;
    font-weight: 500;
}

/* Soft Background Colors */
.bg-primary-soft { background-color: rgba(10, 132, 255, 0.15); color: #0A84FF; }
.bg-warning-soft { background-color: rgba(255, 204, 0, 0.15); color: #FFCC00; }
.bg-success-soft { background-color: rgba(52, 199, 89, 0.15); color: #34C759; }
.bg-danger-soft { background-color: rgba(255, 59, 48, 0.15); color: #FF3B30; }
.bg-info-soft { background-color: rgba(13, 202, 240, 0.15); color: #0dcaf0; }


/* Text Colors for Badges */
.text-primary { color: #0A84FF !important; }
.text-warning { color: #FFCC00 !important; }
.text-success { color: #34C759 !important; }
.text-danger { color: #FF3B30 !important; }
.text-info { color: #0dcaf0 !important; }


/* List Group Customization */
.list-group-item {
    background-color: transparent;
    border-color: #3A3A3C;
    padding: 1rem 0;
}
.list-group-flush > .list-group-item:last-child {
    border-bottom-width: 0;
}
.list-group-item:first-child {
    padding-top: 0;
}