/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: #333;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

/* Login Page */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 20px;
}

.login-box {
    background: white;
    border-radius: 12px;
    padding: 40px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.login-box h1 {
    text-align: center;
    color: #667eea;
    margin-bottom: 10px;
    font-size: 32px;
}

.subtitle {
    text-align: center;
    color: #666;
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: #555;
}

.form-group input {
    width: 100%;
    padding: 12px;
    border: 2px solid #e0e0e0;
    border-radius: 6px;
    font-size: 14px;
    transition: border-color 0.3s;
}

.form-group input:focus {
    outline: none;
    border-color: #667eea;
}

.error-message {
    background: #fee;
    color: #c33;
    padding: 10px;
    border-radius: 6px;
    margin-bottom: 15px;
    font-size: 14px;
}

.login-footer {
    text-align: center;
    margin-top: 20px;
    color: #999;
    font-size: 12px;
}

/* Buttons */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background: #667eea;
    color: white;
    width: 100%;
}

.btn-primary:hover {
    background: #5568d3;
}

.btn-secondary {
    background: #6c757d;
    color: white;
}

.btn-secondary:hover {
    background: #5a6268;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 12px;
}

/* Navbar */
.navbar {
    background: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    margin-bottom: 30px;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-title {
    font-size: 24px;
    color: #667eea;
}

.nav-links {
    display: flex;
    gap: 20px;
    align-items: center;
}

.nav-link {
    color: #666;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-link:hover {
    color: #667eea;
}

.nav-link.active {
    color: #667eea;
    font-weight: 600;
}

.nav-user {
    color: #999;
    font-size: 14px;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.stat-label {
    font-size: 12px;
    color: #999;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 5px;
}

.stat-value {
    font-size: 28px;
    font-weight: 700;
    color: #333;
}

/* Filters Section */
.filters-section {
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
}

.search-box {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

.search-input {
    flex: 1;
    padding: 10px;
    border: 2px solid #e0e0e0;
    border-radius: 6px;
    font-size: 14px;
}

.filter-row {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    align-items: center;
}

.filter-row label {
    font-size: 14px;
    color: #666;
}

.filter-select, .filter-input {
    padding: 8px 12px;
    border: 2px solid #e0e0e0;
    border-radius: 6px;
    font-size: 14px;
    margin-left: 5px;
}

/* Table */
.table-container {
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    overflow-x: auto;
    margin-bottom: 20px;
}

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

.auctions-table thead {
    background: #f8f9fa;
}

.auctions-table th {
    padding: 12px;
    text-align: left;
    font-weight: 600;
    color: #666;
    border-bottom: 2px solid #e0e0e0;
}

.auctions-table td {
    padding: 12px;
    border-bottom: 1px solid #f0f0f0;
}

.auctions-table tbody tr:hover {
    background: #f8f9fa;
}

/* Quality Colors */
.quality-0 { color: #9d9d9d; } /* Poor - Grey */
.quality-1 { color: #ffffff; } /* Common - White */
.quality-2 { color: #1eff00; } /* Uncommon - Green */
.quality-3 { color: #0070dd; } /* Rare - Blue */
.quality-4 { color: #a335ee; } /* Epic - Purple */
.quality-5 { color: #ff8000; } /* Legendary - Orange */

.item-name {
    font-weight: 600;
}

/* Price Display */
.price {
    font-weight: 600;
    color: #ff8000;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    padding: 20px;
}

.page-info {
    color: #666;
    font-size: 14px;
}

/* Loading Spinner */
.loading-spinner {
    text-align: center;
    padding: 40px;
    color: #999;
}

/* Chart Container */
.chart-container {
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    margin-bottom: 30px;
}

/* Item Detail Page */
.breadcrumb {
    margin-bottom: 20px;
}

.breadcrumb a {
    color: white;
    text-decoration: none;
    font-size: 14px;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

.item-header {
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
}

.item-header h2 {
    margin-bottom: 10px;
}

.item-meta {
    color: #999;
    font-size: 14px;
}

.time-selector {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

h3 {
    color: white;
    margin: 30px 0 15px 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .filter-row {
        flex-direction: column;
        align-items: stretch;
    }
    
    .search-box {
        flex-direction: column;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .nav-container {
        flex-direction: column;
        gap: 15px;
    }
    
    .auctions-table {
        font-size: 12px;
    }
    
    .auctions-table th,
    .auctions-table td {
        padding: 8px;
    }
}