:root {
    --bg-color: #121214;
    --card-bg: #1a1a1e;
    --accent-color: #38bdf8;
    --text-color: #e4e4e7;
    --text-muted: #a1a1aa;
    --border-color: #27272a;
    --success-color: #4ade80;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    padding: 20px;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 30px;
}

h1 {
    font-size: 24px;
    font-weight: 600;
    letter-spacing: -0.5px;
}

.status-badge {
    font-size: 12px;
    background: #14532d;
    color: var(--success-color);
    padding: 4px 10px;
    border-radius: 20px;
    font-weight: 500;
}

.grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
}

@media (min-width: 768px) {
    .grid {
        grid-template-columns: 350px 1fr;
    }
}

.card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
}

.card h2 {
    font-size: 18px;
    margin-bottom: 20px;
    color: #fff;
}

.form-group {
    margin-bottom: 16px;
}

label {
    display: block;
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 6px;
}

input, select {
    width: 100%;
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 10px;
    color: #fff;
    font-size: 14px;
    outline: none;
}

input:focus, select:focus {
    border-color: var(--accent-color);
}

button {
    width: 100%;
    background-color: var(--accent-color);
    color: #000;
    border: none;
    border-radius: 6px;
    padding: 12px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s;
    margin-top: 10px;
}

button:hover {
    opacity: 0.9;
}

.product-list {
    list-style: none;
}

.product-item {
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.product-info h3 {
    font-size: 15px;
    color: #fff;
    margin-bottom: 4px;
}

.product-info p {
    font-size: 12px;
    color: var(--text-muted);
}

.badge {
    background-color: var(--border-color);
    color: var(--text-color);
    font-size: 11px;
    padding: 3px 8px;
    border-radius: 4px;
    text-transform: uppercase;
    font-weight: 600;
}