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

:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #1a1a2e;
    --bg-tertiary: #16213e;
    --accent-purple: #8b5cf6;
    --accent-purple-dark: #6d28d9;
    --accent-purple-light: #a78bfa;
    --text-primary: #ffffff;
    --text-secondary: #b8b8d4;
    --text-muted: #6b7280;
    --border-color: #2d2d44;
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

header {
    text-align: center;
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 2px solid var(--border-color);
}

h1 {
    font-size: 3rem;
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-purple-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.status-bar {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-top: 1.5rem;
}

.status-indicator {
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
}

.status-indicator.connected {
    background: var(--success);
    color: white;
    border-color: var(--success);
}

.status-indicator.disconnected {
    background: var(--error);
    color: white;
    border-color: var(--error);
}

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.stat-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    transition: transform 0.2s, border-color 0.2s;
}

.stat-card:hover {
    transform: translateY(-2px);
    border-color: var(--accent-purple);
}

.stat-value {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--accent-purple-light);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.controls {
    margin-bottom: 2rem;
}

.controls h2 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.filter-bar {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.search-input,
.filter-select {
    padding: 0.75rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: border-color 0.2s;
}

.search-input {
    flex: 1;
}

.search-input:focus,
.filter-select:focus {
    outline: none;
    border-color: var(--accent-purple);
}

.filter-select {
    cursor: pointer;
}

.auctions-list {
    display: grid;
    gap: 1rem;
}

.auction-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: transform 0.2s, border-color 0.2s;
}

.auction-card:hover {
    transform: translateX(4px);
    border-color: var(--accent-purple);
}

.auction-info {
    flex: 1;
}

.auction-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

.buyer-username {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--accent-purple-light);
}

.lot-badge {
    background: var(--accent-purple-dark);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 500;
}

.item-title {
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

.auction-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.auction-actions {
    display: flex;
    gap: 0.5rem;
}

.btn {
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s;
}

.btn-primary {
    background: var(--accent-purple);
    color: white;
}

.btn-primary:hover {
    background: var(--accent-purple-dark);
    transform: scale(1.05);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-secondary);
    border-color: var(--accent-purple);
}

.btn-danger {
    background: var(--error);
    color: white;
}

.btn-danger:hover {
    background: #dc2626;
}

.printed-badge {
    background: var(--success);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 500;
}

.loading {
    text-align: center;
    padding: 3rem;
    color: var(--text-secondary);
}

.empty-state {
    text-align: center;
    padding: 3rem;
    color: var(--text-muted);
}

.empty-state h3 {
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }

    h1 {
        font-size: 2rem;
    }

    .filter-bar {
        flex-direction: column;
    }

    .auction-card {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .auction-actions {
        width: 100%;
        justify-content: stretch;
    }

    .btn {
        flex: 1;
    }
}