*, *::before, *::after { box-sizing: border-box; }

body {
    font-family: system-ui, sans-serif;
    background: #0f172a;
    color: #f1f5f9;
    margin: 0;
    padding: 0;
}

header {
    background: #1e293b;
    padding: 0.75rem 1.5rem;
    border-bottom: 1px solid #334155;
}

header nav {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

header nav a {
    color: #94a3b8;
    text-decoration: none;
    font-size: 1rem;
}

header nav a:first-child {
    color: #f1f5f9;
    font-weight: 600;
    font-size: 1.1rem;
}

header nav a:hover { color: #f1f5f9; }

main {
    max-width: 640px;
    margin: 2rem auto;
    padding: 0 1rem;
}

main.wide {
    max-width: 960px;
}

h1, h2, h3 { margin: 0 0 0.5rem; }
h1 { font-size: 1.5rem; }
h2 { font-size: 1.25rem; }

p { margin: 0 0 0.75rem; color: #94a3b8; }

button {
    background: #6366f1;
    color: #fff;
    border: none;
    border-radius: 6px;
    padding: 0.6rem 1.2rem;
    font-size: 1rem;
    cursor: pointer;
}

button:disabled { background: #475569; cursor: not-allowed; }
button:hover:not(:disabled) { background: #4f46e5; }

input[type="text"] {
    background: #1e293b;
    border: 1px solid #334155;
    color: #f1f5f9;
    border-radius: 6px;
    padding: 0.5rem 0.75rem;
    font-size: 1rem;
    width: 100%;
    max-width: 300px;
    margin-right: 0.5rem;
}

label { display: block; margin-bottom: 0.4rem; color: #94a3b8; font-size: 0.9rem; }

section { margin-bottom: 2rem; }

.cd-metadata { background: #1e293b; border-radius: 8px; padding: 1rem; margin-bottom: 1rem; }
.cd-metadata h2 { color: #f1f5f9; }
.cd-metadata p { color: #94a3b8; margin: 0; }

.offer-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.offer {
    background: #1e293b;
    border: 1px solid #334155;
    border-radius: 8px;
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.offer--best {
    border-color: #22c55e;
    background: #14532d;
}

.offer__name { font-weight: 600; flex: 1; }
.offer__price { font-size: 1.2rem; font-weight: 700; color: #22c55e; }
.offer a { color: #6366f1; text-decoration: none; font-size: 0.9rem; }
.offer a:hover { text-decoration: underline; }

.offer--unavailable { opacity: 0.45; }
.offer__no-price { font-size: 0.9rem; color: #64748b; font-style: italic; }
.no-offers { color: #f87171; }
.error { color: #f87171; }

table { width: 100%; border-collapse: collapse; margin-top: 1rem; }
th, td { text-align: left; padding: 0.5rem 0.75rem; border-bottom: 1px solid #334155; font-size: 0.9rem; }
th { color: #94a3b8; font-weight: 600; }
td code { font-family: monospace; background: #1e293b; padding: 0.1rem 0.3rem; border-radius: 3px; }