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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: #f5f5f5;
    min-height: 100vh;
}

header {
    background: #fff;
    padding: 1rem 2rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header h1 {
    font-size: 1.25rem;
    color: #333;
}

#user-info {
    font-size: 0.9rem;
    color: #666;
    margin-right: 1rem;
}

#logout-btn {
    padding: 0.5rem 1rem;
    background: #dc3545;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
}

#logout-btn:hover {
    background: #c82333;
}

main {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1rem;
}

.controls {
    background: #fff;
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    display: flex;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
}

.controls select,
.controls input {
    padding: 0.5rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 0.9rem;
}

.controls button {
    padding: 0.5rem 1rem;
    background: #0066cc;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

.controls button:hover {
    background: #0052a3;
}

table {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    width: 100%;
}

thead {
    background: #f8f9fa;
}

th {
    padding: 0.75rem 1rem;
    text-align: left;
    font-weight: 600;
    font-size: 0.85rem;
    color: #666;
    text-transform: uppercase;
}

td {
    padding: 0.75rem 1rem;
    border-top: 1px solid #eee;
    font-size: 0.9rem;
}

tbody tr:hover {
    background: #f8f9fa;
}

.pagination {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1rem;
}

.pagination button {
    padding: 0.5rem 1rem;
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 4px;
    cursor: pointer;
}

.pagination button:hover:not(:disabled) {
    background: #f0f0f0;
}

.pagination button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.error {
    background: #fee;
    color: #c00;
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
}

.loading {
    text-align: center;
    padding: 2rem;
    color: #666;
}

.empty {
    text-align: center;
    padding: 3rem;
    color: #999;
}