body {
    font-family: 'Inter', sans-serif;
    background-color: #f8f9fa;
    min-height: 100vh;
}

#app {
    min-height: 100vh;
    display: flex;
}

.main-content-wrapper {
    flex: 1;
    min-height: 100vh;
    background-color: #f8f9fa;
}

.content-area {
    padding: 20px 24px;
}

.navbar {
    background-color: #fff;
    padding: 16px 0;
    border-bottom: 1px solid #eee;
}

.navbar .nav-link {
    color: #666;
    font-weight: 500;
    padding: 8px 12px;
}

.navbar .dropdown-toggle {
    font-size: 0.9375rem;
}

.navbar .dropdown-toggle::after {
    margin-left: 0.5em;
}

.page-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: #000;
}

.avatar-circle {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: #f0f0f0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 500;
    color: #666;
    font-size: 0.875rem;
    text-transform: uppercase;
}

.dropdown-menu {
    border: none;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    border-radius: 8px;
    padding: 8px;
    min-width: 180px;
}

.dropdown-item {
    padding: 8px 16px;
    color: #666;
    border-radius: 6px;
    display: flex;
    align-items: center;
    font-size: 0.9375rem;
}

.dropdown-item:hover {
    background-color: #f8f9fa;
    color: #000;
}

.dropdown-item i {
    font-size: 1.1rem;
}

.sidebar {
    width: 250px;
    min-height: 100vh;
    background-color: #fff;
    border-right: 1px solid #eee;
    padding: 20px;
    position: sticky;
    top: 0;
}

.sidebar h5 {
    color: #000;
    font-weight: 600;
    font-size: 1rem;
}

.nav-link {
    color: #666;
    padding: 10px;
    margin: 2px 0;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 500;
    font-size: 0.9375rem;
}

.nav-link:hover {
    background-color: #f8f9fa;
    color: #000;
}

.nav-link.active {
    background-color: #f8f9fa;
    color: #000;
}

.nav-link i {
    font-size: 1.1rem;
    color: #666;
}

.nav-link.active i {
    color: #000;
}

.footer {
    background-color: #fff;
    padding: 1rem 0;
    position: fixed;
    bottom: 0;
    width: calc(100% - 250px);
    margin-left: 250px;
    border-top: 1px solid #eee;
    font-size: 0.875rem;
}

.footer a:hover {
    color: #000 !important;
}

.main-content {
    padding: 0 24px;
}

.metric-card {
    background: white;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.metric-value {
    font-size: 24px;
    font-weight: bold;
}

.metric-trend {
    font-size: 14px;
}

.trend-up {
    color: #22c55e;
}

.trend-down {
    color: #ef4444;
}

.message-list {
    background: white;
    border-radius: 12px;
    padding: 20px;
}

.message-item {
    padding: 15px;
    border-bottom: 1px solid #eee;
}

.message-status {
    font-size: 12px;
    padding: 2px 8px;
    border-radius: 12px;
}

.status-new {
    background-color: #dcfce7;
    color: #22c55e;
}

.status-assigned {
    background-color: #dbeafe;
    color: #3b82f6;
}

.status-closed {
    background-color: #f3f4f6;
    color: #6b7280;
}

.metric-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 20px;
}

.metric-card:nth-child(1) .metric-icon {
    background-color: rgba(34, 197, 94, 0.1);
    color: #22c55e;
}

.metric-card:nth-child(2) .metric-icon {
    background-color: rgba(59, 130, 246, 0.1);
    color: #3b82f6;
}

.metric-card:nth-child(3) .metric-icon {
    background-color: rgba(168, 85, 247, 0.1);
    color: #a855f7;
}

@media (max-width: 767.98px) {
    .sidebar {
        position: fixed;
        left: -250px;
        top: 0;
        bottom: 0;
        transition: left 0.3s ease;
        z-index: 1040;
    }

    .sidebar.show-mobile {
        left: 0;
    }

    .footer {
        width: 100%;
        margin-left: 0;
    }
}