:root {
    --ink: #14181f;
    --ink-dim: #5b6472;
    --line: #d7dbe1;
    --line-soft: #ebedf0;
    --bg: #ffffff;
    --bg-alt: #fafbfc;
    --accent: #0a5c9e;
    --warn-line: #b8860b;
    --warn-bg: #fdfaf2;
    --mono: ui-monospace, "SF Mono", "Roboto Mono", Consolas, monospace;
    --sans: -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: var(--sans);
    background: var(--bg);
    color: var(--ink);
    font-size: 14px;
    line-height: 1.45;
}

header {
    border-bottom: 1px solid var(--line);
    padding: 14px 24px;
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
}

header .wordmark {
    font-weight: 700;
    font-size: 15px;
    letter-spacing: 0.02em;
    color: var(--ink);
}

header .wordmark span {
    color: var(--accent);
}

header .tag { font-size: 12px; color: var(--ink-dim); }

header .tag { font-size: 12px; color: var(--ink-dim); }

.tag {
    display: inline-block;
    padding: 2px 8px;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    font-weight: 700;
    border: 1px solid currentColor;
    font-family: var(--sans);
}

.container {
    max-width: 880px;
    margin: 0 auto;
    padding: 20px 24px 60px;
}

.search {
    display: flex;
    gap: 0;
    border: 1px solid var(--line);
    background: var(--bg);
}

.search input {
    flex: 1;
    padding: 10px 12px;
    border: none;
    font-size: 14px;
    outline: none;
    font-family: var(--sans);
    background: transparent;
    color: var(--ink);
}

.search input::placeholder {
    color: #9aa2ad;
}

.search button {
    border: none;
    border-left: 1px solid var(--line);
    padding: 10px 18px;
    background: var(--ink);
    color: #fff;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    letter-spacing: 0.02em;
}

.search button:hover {
    background: var(--accent);
}

#status {
    margin: 14px 2px;
    font-size: 13px;
    font-family: var(--mono);
}

.error { color: #a4272c; }
.loading { color: var(--ink-dim); }

.result { margin-top: 8px; }

.head-row {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    border-bottom: 2px solid var(--ink);
    padding-bottom: 10px;
    margin-bottom: 4px;
    flex-wrap: wrap;
    gap: 6px;
}

.head-row h2 {
    margin: 0;
    font-size: 20px;
    font-weight: 700;
}

.head-row .rxcui {
    font-family: var(--mono);
    font-size: 12px;
    color: var(--ink-dim);
}

table.fields {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    margin: 4px 0 22px;
}

table.fields tr {
    border-bottom: 1px solid var(--line-soft);
}

table.fields td {
    padding: 7px 4px;
    vertical-align: top;
}

table.fields td.k {
    width: 160px;
    color: var(--ink-dim);
    text-transform: uppercase;
    font-size: 11px;
    letter-spacing: 0.04em;
    font-weight: 600;
    white-space: nowrap;
}

table.fields td.v {
    font-family: var(--mono);
    word-break: break-word;
}

.section {
    margin-bottom: 22px;
}

.section h3 {
    margin: 0 0 8px;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--ink-dim);
    font-weight: 700;
    border-bottom: 1px solid var(--line);
    padding-bottom: 6px;
}

.section .empty {
    color: var(--ink-dim);
    font-size: 13px;
    font-style: normal;
}

ul.itemlist {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 6px 8px;
}

ul.itemlist li {
    font-size: 13px;
    padding: 4px 9px;
    border: 1px solid var(--line);
    font-family: var(--mono);
    background: var(--bg-alt);
}

ul.plainlist {
    margin: 0;
    padding: 0;
    list-style: none;
}

ul.plainlist li {
    padding: 5px 0;
    border-bottom: 1px solid var(--line-soft);
    font-size: 13px;
}

ul.plainlist li:last-child {
    border-bottom: none;
}

.warning {
    border: 1px solid var(--warn-line);
    background: var(--warn-bg);
    padding: 14px 16px;
    font-size: 13px;
    line-height: 1.5;
}

.warning strong {
    display: block;
    margin-bottom: 6px;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.source {
    font-size: 11px;
    color: var(--ink-dim);
    margin-top: 24px;
    border-top: 1px solid var(--line);
    padding-top: 10px;
    font-family: var(--mono);
}

@media (max-width: 600px) {
    table.fields td.k { width: 110px; }
}