* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #f5f7fa;
    color: #2c3e50;
}

/* Navbar */
.navbar {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.nav-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-link {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.2s;
}

.nav-link:hover {
    opacity: 0.8;
}

.navbar h1 {
    font-size: 1.5rem;
    flex: 1;
    text-align: center;
}

.refresh-btn {
    background: rgba(255,255,255,0.2);
    border: none;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: background 0.2s;
}

.refresh-btn:hover {
    background: rgba(255,255,255,0.3);
}

/* Dashboard Container */
.dashboard-container {
    max-width: 1400px;
    margin: 2rem auto;
    padding: 0 2rem;
    display: grid;
    gap: 2rem;
}

/* Metrics Row */
.metrics-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.metric-card {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    transition: transform 0.2s, box-shadow 0.2s;
}

.metric-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.12);
}

.metric-icon {
    font-size: 2.5rem;
}

.metric-content {
    flex: 1;
}

.metric-value {
    font-size: 2rem;
    font-weight: bold;
    color: #667eea;
}

.metric-label {
    font-size: 0.9rem;
    color: #7f8c8d;
    margin-top: 0.25rem;
}

/* Charts Row */
.charts-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
}

/* Card */
.card {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.card.full-width {
    grid-column: 1 / -1;
}

.card h2 {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    color: #2c3e50;
}

/* Table */
.table-container {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid #ecf0f1;
}

th {
    background: #f8f9fa;
    font-weight: 600;
    color: #2c3e50;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

tbody tr {
    transition: background 0.2s;
}

tbody tr:hover {
    background: #f8f9fa;
}

td.loading {
    text-align: center;
    color: #7f8c8d;
    padding: 2rem;
}

/* Status Badges */
.status-active, .status-completed {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.85rem;
    font-weight: 500;
}

.status-active {
    background: #d4edda;
    color: #27ae60;
}

.status-completed {
    background: #d1ecf1;
    color: #3498db;
}

.status-failed {
    background: #f8d7da;
    color: #e74c3c;
}

.status-pending {
    background: #fff3cd;
    color: #f39c12;
}

/* Feedback Stats */
.feedback-stats {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.stat-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.stat-label {
    color: #7f8c8d;
    font-size: 0.95rem;
}

.stat-value {
    font-weight: 600;
    font-size: 1.1rem;
    color: #2c3e50;
}

/* Progress Bar */
.progress-bar {
    width: 100%;
    height: 24px;
    background: #ecf0f1;
    border-radius: 12px;
    overflow: hidden;
    margin-top: 1rem;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
    transition: width 0.5s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.85rem;
    font-weight: 600;
}

/* Footer */
.dashboard-footer {
    text-align: center;
    padding: 2rem;
    color: #7f8c8d;
    font-size: 0.9rem;
}

.dashboard-footer p {
    margin: 0.25rem 0;
}

#lastUpdated {
    font-weight: 600;
    color: #667eea;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-content {
        flex-direction: column;
        gap: 1rem;
    }
    
    .navbar h1 {
        text-align: center;
    }
    
    .metrics-row, .charts-row {
        grid-template-columns: 1fr;
    }
}