html {
    font-size: 14px;
}

body {
    margin: 0;
    background: #000;
    color: #fff;
    font-family: "Segoe UI", Arial, sans-serif;
}

a {
    color: inherit;
    text-decoration: none;
}

.app-shell {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 240px 1fr;
}

.sidebar {
    background: #111;
    border-right: 1px solid #2a2a2a;
    padding: 24px 18px;
}

.brand {
    font-size: 26px;
    font-weight: 700;
    margin-bottom: 28px;
}

.nav-link {
    display: block;
    padding: 12px 14px;
    margin-bottom: 8px;
    border-radius: 10px;
    color: #ddd;
}

.nav-link:hover {
    background: #1d1d1d;
    color: #fff;
}

.main {
    padding: 32px;
}

.hero {
    margin-bottom: 28px;
}

.hero h1 {
    font-size: 40px;
    margin: 0 0 8px;
}

.hero p {
    color: #aaa;
    max-width: 760px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 20px;
}

.card {
    background: #111;
    border: 1px solid #2a2a2a;
    border-radius: 16px;
    padding: 22px;
}

.card h2 {
    margin-top: 0;
}

.field {
    margin-bottom: 16px;
}

.field label {
    display: block;
    margin-bottom: 6px;
    color: #bbb;
}

.field input {
    width: 100%;
    box-sizing: border-box;
    background: #080808;
    color: #fff;
    border: 1px solid #3a3a3a;
    border-radius: 10px;
    padding: 12px;
}

.result {
    margin-top: 18px;
    padding: 16px;
    background: #080808;
    border: 1px solid #333;
    border-radius: 12px;
    line-height: 1.7;
}

.muted {
    color: #999;
}

.small {
    font-size: 12px;
}

.badge-row {
    margin-bottom: 14px;
}

.badge {
    display: inline-block;
    background: #1a1a1a;
    border: 1px solid #333;
    padding: 5px 9px;
    border-radius: 999px;
    font-size: 12px;
    color: #ccc;
    margin: 0 6px 6px 0;
}

@media (max-width: 850px) {
    .app-shell {
        grid-template-columns: 1fr;
    }

    .sidebar {
        border-right: 0;
        border-bottom: 1px solid #2a2a2a;
    }
}

/* Compound detail page */
.detail-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.badge:hover {
    border-color: #666;
    background: #222;
}

.card p {
    line-height: 1.55;
}