:root {
    --primary: #d4af37;
    --primary-dark: #b8960c;
    --dark: #0a0f12;
    --dark-card: #1a1f24;
    --danger: #dc3545;
    --success: #28a745;
    --text: #e9ecef;
    --text-muted: #adb5bd;
}

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

body {
    background: linear-gradient(135deg, var(--dark) 0%, #11181c 100%);
    color: var(--text);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
}

header {
    background: rgba(0,0,0,0.8);
    backdrop-filter: blur(10px);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    border-bottom: 2px solid var(--primary);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo h1 {
    font-size: 1.5rem;
    color: var(--primary);
    text-shadow: 0 0 10px rgba(212,175,55,0.3);
}

nav a {
    color: var(--text);
    text-decoration: none;
    margin-left: 1.5rem;
    transition: color 0.2s;
    font-weight: 500;
}

nav a:hover {
    color: var(--primary);
}

.admin-link {
    background: var(--primary);
    color: #000;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
}

.admin-link:hover {
    background: var(--primary-dark);
    color: #000;
}

main {
    max-width: 1400px;
    margin: 2rem auto;
    padding: 0 2rem;
}

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

h1, h2, h3 {
    margin-bottom: 1rem;
    color: var(--primary);
}

.auction-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.auction-card, .storage-card, .item-card {
    background: var(--dark-card);
    border-radius: 20px;
    padding: 1.5rem;
    transition: transform 0.2s, box-shadow 0.2s;
    border: 1px solid #2a2f35;
    box-shadow: 0 8px 20px rgba(0,0,0,0.3);
}

.auction-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 30px rgba(0,0,0,0.4);
    border-color: var(--primary);
}

.bid-info {
    margin: 1rem 0;
    font-size: 0.9rem;
    background: #0f1318;
    padding: 0.8rem;
    border-radius: 12px;
}

.bid-info span {
    display: block;
    margin: 0.3rem 0;
}

.btn {
    display: inline-block;
    background: var(--primary);
    color: #000;
    padding: 0.6rem 1.2rem;
    border: none;
    border-radius: 40px;
    cursor: pointer;
    font-weight: bold;
    text-decoration: none;
    transition: background 0.2s;
    font-size: 0.9rem;
}

.btn:hover {
    background: var(--primary-dark);
}

input, textarea, select {
    background: #2a2f35;
    border: 1px solid #3a4048;
    padding: 0.6rem 1rem;
    border-radius: 12px;
    color: var(--text);
    font-size: 1rem;
    width: 100%;
    margin-bottom: 1rem;
}

input:focus, textarea:focus {
    outline: none;
    border-color: var(--primary);
}

button {
    background: var(--primary);
    color: #000;
    border: none;
    padding: 0.7rem 1.5rem;
    border-radius: 40px;
    font-weight: bold;
    cursor: pointer;
    transition: 0.2s;
}

button:hover {
    background: var(--primary-dark);
}

.countdown {
    font-weight: bold;
    color: var(--primary);
    font-size: 1.1rem;
}

.bid-stats {
    background: #0f1318;
    padding: 1rem;
    border-radius: 16px;
    margin: 1rem 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}

.bid-form {
    display: flex;
    gap: 1rem;
    margin: 1rem 0;
    flex-wrap: wrap;
}

.bid-form input {
    flex: 2;
    margin-bottom: 0;
}

.inventory-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1rem;
}

.item-card {
    text-align: center;
    border-left-width: 5px;
    border-left-style: solid;
}

.item-icon {
    font-size: 2rem;
}

.item-quality {
    font-size: 0.8rem;
    padding: 0.2rem 0.5rem;
    border-radius: 20px;
    background: rgba(0,0,0,0.5);
}

.success {
    color: var(--success);
    background: rgba(40,167,69,0.2);
    padding: 0.5rem;
    border-radius: 10px;
}

.error {
    color: var(--danger);
    background: rgba(220,53,69,0.2);
    padding: 0.5rem;
    border-radius: 10px;
}

.admin-container {
    background: var(--dark-card);
    border-radius: 24px;
    padding: 2rem;
    margin-top: 1rem;
}

.admin-nav {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.admin-nav a {
    background: #2a2f35;
    padding: 0.5rem 1rem;
    border-radius: 30px;
    text-decoration: none;
    color: var(--text);
}

.admin-nav a:hover {
    background: var(--primary);
    color: #000;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: #0f1318;
    border-radius: 16px;
    overflow: hidden;
}

th, td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid #2a2f35;
}

th {
    background: var(--primary);
    color: #000;
}

@media (max-width: 768px) {
    header {
        flex-direction: column;
        gap: 1rem;
    }
    nav a {
        margin: 0 0.8rem;
    }
    main {
        padding: 0 1rem;
    }
}