/* PYCO RENEW Auction System v2.0 - Professional Design */
:root {
    --black: #000;
    --white: #fff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --green: #10B981;
    --red: #EF4444;
    --yellow: #F59E0B;
    --blue: #3B82F6;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 14px;
    line-height: 1.5;
    color: var(--gray-900);
    background: var(--gray-50);
}

.header {
    background: var(--black);
    color: var(--white);
    padding: 0.75rem 0;
    border-bottom: 2px solid var(--green);
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 1.25rem;
    font-weight: 700;
    text-decoration: none;
    color: var(--white);
}

.logo-dot {
    width: 6px;
    height: 6px;
    background: var(--green);
    border-radius: 50%;
}

.logo-renew { color: var(--green); }

.nav {
    display: flex;
    gap: 0.5rem;
    list-style: none;
}

.nav a {
    color: var(--gray-300);
    text-decoration: none;
    padding: 0.5rem 0.75rem;
    border-radius: 4px;
    font-size: 0.875rem;
}

.nav a:hover, .nav a.active {
    background: var(--gray-800);
    color: var(--white);
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.5rem 1rem 3rem 1rem;
}

.page-header {
    margin-bottom: 1.5rem;
}

.page-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0 0 0.25rem 0;
}

.page-subtitle {
    color: var(--gray-500);
    font-size: 0.875rem;
}

.card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 6px;
    margin-bottom: 1.5rem;
}

.card-header {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--gray-200);
    font-weight: 600;
}

.card-body {
    padding: 1rem;
}

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

.stat-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 6px;
    padding: 1rem;
    text-align: center;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--black);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--gray-500);
    font-weight: 500;
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.table th {
    background: var(--gray-50);
    padding: 0.75rem;
    text-align: left;
    font-weight: 600;
    border-bottom: 2px solid var(--gray-200);
    font-size: 0.8125rem;
    text-transform: uppercase;
    color: var(--gray-600);
}

.table td {
    padding: 0.75rem;
    border-bottom: 1px solid var(--gray-100);
}

.table tr:hover {
    background: var(--gray-50);
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 4px;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s;
}

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

.btn-primary:hover {
    background: var(--gray-800);
}

.btn-secondary {
    background: var(--white);
    color: var(--gray-700);
    border: 1px solid var(--gray-300);
}

.btn-success {
    background: var(--green);
    color: var(--white);
}

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

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.8125rem;
}

.form-group {
    margin-bottom: 1rem;
}

.form-label {
    display: block;
    margin-bottom: 0.375rem;
    font-weight: 500;
    font-size: 0.875rem;
}

.form-control {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--gray-300);
    border-radius: 4px;
    font-size: 0.875rem;
}

.form-control:focus {
    outline: none;
    border-color: var(--black);
}

textarea.form-control {
    resize: vertical;
}

.badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.badge-success {
    background: #D1FAE5;
    color: #065F46;
}

.badge-danger {
    background: #FEE2E2;
    color: #991B1B;
}

.badge-warning {
    background: #FEF3C7;
    color: #92400E;
}

.badge-secondary {
    background: var(--gray-200);
    color: var(--gray-700);
}

.alert {
    padding: 0.75rem 1rem;
    border-radius: 4px;
    margin-bottom: 1rem;
    border-left: 3px solid;
}

.alert-success {
    background: #D1FAE5;
    color: #065F46;
    border-left-color: var(--green);
}

.alert-danger {
    background: #FEE2E2;
    color: #991B1B;
    border-left-color: var(--red);
}

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--white);
    border-radius: 6px;
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    padding: 1rem;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-body {
    padding: 1rem;
}

.countdown {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--black);
}

.countdown.warning {
    color: var(--red);
}

.image-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 1rem;
}

.image-item {
    position: relative;
    aspect-ratio: 1;
    border-radius: 6px;
    overflow: hidden;
    cursor: pointer;
    border: 2px solid var(--gray-200);
}

.image-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.image-item:hover {
    border-color: var(--black);
}

.text-center { text-align: center; }
.text-muted { color: var(--gray-500); }
.text-success { color: var(--green); }
.text-danger { color: var(--red); }
.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.gap-1 { gap: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }

@media (max-width: 768px) {
    .header-container {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }
}