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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #f5f5f5;
    color: #333;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

header {
    background: #2c3e50;
    color: white;
    padding: 20px;
    margin-bottom: 20px;
    border-radius: 8px;
}

header h1 {
    margin-bottom: 15px;
}

nav {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

nav a {
    color: white;
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 4px;
    background: rgba(255,255,255,0.1);
}

nav a:hover {
    background: rgba(255,255,255,0.2);
}

section {
    background: white;
    padding: 20px;
    margin-bottom: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

h2 {
    margin-bottom: 20px;
    color: #2c3e50;
}

h3 {
    margin-bottom: 15px;
    color: #34495e;
}

/* Login Form */
#loginForm {
    max-width: 400px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

input, select {
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
}

button {
    padding: 10px 20px;
    background: #3498db;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
}

button:hover {
    background: #2980b9;
}

/* Stats */
.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.stat-card {
    background: #3498db;
    color: white;
    padding: 20px;
    border-radius: 8px;
    text-align: center;
}

.stat-card h3 {
    color: white;
    margin-bottom: 10px;
    font-size: 14px;
}

.stat-card p {
    font-size: 36px;
    font-weight: bold;
}

/* Status Grid */
.status-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
}

.status-item {
    padding: 15px;
    background: #f8f9fa;
    border-radius: 4px;
}

.status-label {
    display: block;
    font-size: 14px;
    color: #666;
    margin-bottom: 5px;
}

.status-value {
    font-size: 18px;
    font-weight: bold;
    color: #27ae60;
}

/* Info Grid */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
}

.info-item {
    padding: 15px;
    background: #f8f9fa;
    border-radius: 4px;
}

.info-label {
    display: block;
    font-size: 14px;
    color: #666;
    margin-bottom: 5px;
}

.info-value {
    font-size: 18px;
    font-weight: bold;
    color: #2c3e50;
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
}

th, td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

th {
    background: #f8f9fa;
    font-weight: 600;
}

tr:hover {
    background: #f8f9fa;
}

/* Panels */
.panel {
    margin-bottom: 30px;
}

/* Form Styles */
.form-row {
    margin-bottom: 15px;
}

.form-row label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: #34495e;
}

.form-row input[type="text"],
.form-row input[type="number"] {
    width: 100%;
}

.form-row input[type="checkbox"] {
    width: auto;
    margin-right: 10px;
}

/* Utility */
.hidden {
    display: none;
}

/* Pool Stats */
.pool-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-bottom: 15px;
}

.stat-item {
    padding: 15px;
    background: #f8f9fa;
    border-radius: 4px;
}

.stat-label {
    display: block;
    font-size: 14px;
    color: #666;
    margin-bottom: 5px;
}

.stat-value {
    font-size: 18px;
    font-weight: bold;
    color: #2c3e50;
}

/* Pool Bar */
.pool-bar {
    height: 24px;
    background: #e9ecef;
    border-radius: 12px;
    overflow: hidden;
    margin-top: 10px;
}

.pool-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, #27ae60, #2ecc71);
    border-radius: 12px;
    transition: width 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 12px;
    font-weight: bold;
    min-width: 30px;
}

/* Client Status */
.status-active {
    color: #27ae60;
    font-weight: bold;
}

.status-expired {
    color: #e74c3c;
    font-weight: bold;
}

/* Responsive */
@media (max-width: 768px) {
    .stats {
        grid-template-columns: 1fr;
    }
    
    .status-grid,
    .info-grid {
        grid-template-columns: 1fr;
    }
    
    nav {
        flex-direction: column;
    }
}