/* ADDrugDB — plain CSS, no build step.
   Progressive enhancement: every page works without JavaScript. */

:root {
  --fg: #1c1e21;
  --fg-muted: #656d76;
  --bg: #ffffff;
  --bg-alt: #f6f8fa;
  --line: #d8dee4;
  --accent: #0969da;
  --ok: #1a7f37;
  --warn: #bc4c00;
  --err: #cf222e;
  --radius: 6px;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font: 16px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--fg);
  background: var(--bg);
}

a { color: var(--accent); }
a:hover { text-decoration: underline; }

main { max-width: 68rem; margin: 0 auto; padding: 1.5rem 1.25rem 4rem; }

/* ---------- header / footer ---------- */

.site-header {
  display: flex; align-items: center; gap: 1.25rem; flex-wrap: wrap;
  padding: .85rem 1.25rem; border-bottom: 1px solid var(--line); background: var(--bg-alt);
}
.brand { font-weight: 700; font-size: 1.1rem; text-decoration: none; color: var(--fg); }
.site-header nav { display: flex; gap: 1rem; flex-wrap: wrap; }
.site-header nav a { text-decoration: none; font-size: .92rem; }
.site-header .account { margin-left: auto; display: flex; gap: .75rem; align-items: center; font-size: .88rem; }

.site-footer {
  border-top: 1px solid var(--line); padding: 1.5rem 1.25rem;
  font-size: .82rem; color: var(--fg-muted); background: var(--bg-alt);
}
.site-footer .disclaimer { max-width: 60rem; margin: 0 auto .75rem; }
.site-footer .attribution { max-width: 60rem; margin: 0 auto; }

.banner { padding: .7rem 1.25rem; font-size: .9rem; }
.banner-warn { background: #fff8e6; border-bottom: 1px solid #e3c08d; color: #7a4d00; }

.messages { list-style: none; margin: 0; padding: .5rem 1.25rem; }
.msg { padding: .55rem .8rem; border-radius: var(--radius); margin-bottom: .4rem; font-size: .9rem; }
.msg.success { background: #dafbe1; color: var(--ok); }
.msg.error   { background: #ffebe9; color: var(--err); }
.msg.warning { background: #fff8e6; color: var(--warn); }
.msg.info    { background: #ddf4ff; color: var(--accent); }

/* ---------- typography helpers ---------- */

h1 { font-size: 1.7rem; margin: 0 0 .75rem; }
h2 { font-size: 1.15rem; margin: 0 0 .5rem; }
h3 { font-size: .95rem; margin: 1rem 0 .35rem; }
.lede { color: var(--fg-muted); font-size: 1.02rem; max-width: 46rem; }
.muted { color: var(--fg-muted); }
.small { font-size: .84rem; }
.mono { font-family: var(--mono); font-size: .9em; }
.req { color: var(--err); }

/* ---------- forms ---------- */

input[type=text], input[type=search], input[type=email], input[type=password],
input[type=number], select {
  font: inherit; padding: .5rem .65rem; border: 1px solid var(--line);
  border-radius: var(--radius); background: var(--bg); color: var(--fg);
}
input:focus, select:focus, button:focus { outline: 2px solid var(--accent); outline-offset: 1px; }

button, .button {
  font: inherit; padding: .5rem 1rem; border: 1px solid var(--accent);
  border-radius: var(--radius); background: var(--accent); color: #fff; cursor: pointer;
}
button:hover { filter: brightness(1.08); }
button.link { background: none; border: none; color: var(--accent); padding: 0; text-decoration: underline; }

label { display: block; margin-bottom: .75rem; font-size: .9rem; font-weight: 500; }
label input, label select { display: block; width: 100%; margin-top: .25rem; font-weight: 400; }
label.checkbox { display: flex; align-items: center; gap: .45rem; font-weight: 400; }
label.checkbox input { width: auto; margin: 0; display: inline; }

fieldset { border: 1px solid var(--line); border-radius: var(--radius); padding: .85rem 1rem; margin: 0 0 1rem; }
legend { font-size: .85rem; font-weight: 600; padding: 0 .35rem; }

.field-row { display: flex; gap: .5rem; flex-wrap: wrap; }
.field-row input[type=search] { flex: 1 1 22rem; }
.field-grid { display: grid; gap: .75rem; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.filters { margin-top: .75rem; }
.filters summary { cursor: pointer; font-size: .9rem; color: var(--fg-muted); }

.form-errors { background: #ffebe9; color: var(--err); padding: .6rem .8rem; border-radius: var(--radius); margin-bottom: 1rem; }
ul.errorlist { list-style: none; padding: 0; margin: .2rem 0 0; color: var(--err); font-size: .85rem; }

.auth-panel { max-width: 26rem; margin: 2rem auto; }
.auth-links { font-size: .88rem; margin-top: 1rem; }
.inline { display: inline; }

/* ---------- home ---------- */

.hero { padding: 1.5rem 0 2rem; border-bottom: 1px solid var(--line); margin-bottom: 1.5rem; }
.hero-search { display: flex; gap: .5rem; margin: 1.25rem 0 .75rem; max-width: 38rem; }
.hero-search input { flex: 1; }
.hero-alt { font-size: .92rem; color: var(--fg-muted); }
.cards { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.cards .card { border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem; }
.cards .card h2 { font-size: 1rem; }
.cards .card p { font-size: .9rem; color: var(--fg-muted); margin-bottom: 0; }

/* ---------- results ---------- */

.result-count { color: var(--fg-muted); font-size: .9rem; margin: 1rem 0 .5rem; }
.results { list-style: none; padding: 0; margin: 0; }
.result { padding: .85rem 0; border-bottom: 1px solid var(--line); }
.result h2 { font-size: 1.05rem; margin-bottom: .2rem; }
.result-meta { font-size: .85rem; color: var(--fg-muted); margin: .15rem 0; }
.ndc { font-family: var(--mono); }
.ingredients { font-size: .88rem; margin: .2rem 0; }
.appearance { font-size: .88rem; color: var(--fg-muted); margin: .2rem 0; }
.imprint { font-family: var(--mono); font-size: .9rem; margin: .2rem 0; }
.flag { font-size: .85rem; color: var(--warn); margin: .25rem 0; }

.empty { background: var(--bg-alt); border-radius: var(--radius); padding: 1.25rem; margin-top: 1rem; }
.empty ul { margin: .5rem 0 0; padding-left: 1.2rem; font-size: .9rem; color: var(--fg-muted); }
.empty li { margin-bottom: .3rem; }

.pagination { display: flex; gap: 1rem; align-items: center; margin: 1.5rem 0; font-size: .9rem; }

/* ---------- pill identifier ---------- */

.pill-form { max-width: 44rem; }
.imprint-field small { display: block; color: var(--fg-muted); font-weight: 400; margin-top: .3rem; }
.swatches { display: grid; gap: .4rem; grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); }
.swatch { display: flex; align-items: center; gap: .4rem; font-weight: 400; font-size: .88rem; margin: 0; }
.swatch input { width: auto; margin: 0; display: inline; }
.chip { display: inline-block; width: 18px; height: 18px; border: 1px solid var(--line); border-radius: 3px; }

.pill-results { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); margin-top: 1rem; }
.pill-card { border: 1px solid var(--line); border-radius: var(--radius); padding: .85rem; }
.pill-card img { width: 100%; height: 130px; object-fit: contain; background: var(--bg-alt); border-radius: 4px; }
.pill-card h2 { font-size: .98rem; margin: .5rem 0 .2rem; }
.caveat { font-size: .76rem; color: var(--warn); margin: .3rem 0 0; }
.disclaimer-inline { background: #fff8e6; border-left: 3px solid #e3c08d; padding: .75rem 1rem; font-size: .88rem; margin-top: 1.5rem; }

/* ---------- detail ---------- */

.detail header { margin-bottom: 1.25rem; }
.panel { border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem 1.15rem; margin-bottom: 1rem; }
.panel h2 { font-size: 1rem; border-bottom: 1px solid var(--line); padding-bottom: .4rem; }

dl.kv { display: grid; grid-template-columns: minmax(9rem, auto) 1fr; gap: .35rem 1rem; margin: 0; font-size: .92rem; }
dl.kv dt { color: var(--fg-muted); }
dl.kv dd { margin: 0; }

table.data { width: 100%; border-collapse: collapse; font-size: .9rem; }
table.data th { text-align: left; padding: .4rem .5rem; border-bottom: 2px solid var(--line); }
table.data td { padding: .4rem .5rem; border-bottom: 1px solid var(--line); }

ul.plain { list-style: none; padding: 0; margin: 0; font-size: .92rem; }
ul.plain li { padding: .25rem 0; }

.package-tree { list-style: none; padding-left: 1.1rem; margin: .3rem 0; font-size: .9rem; border-left: 2px solid var(--line); }
.package-tree > li { padding: .25rem 0; }

.image-grid { display: grid; gap: .85rem; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); }
.image-grid figure { margin: 0; }
.image-grid img { width: 100%; height: 140px; object-fit: contain; background: var(--bg-alt); border-radius: 4px; }
.image-grid figcaption { font-size: .76rem; color: var(--fg-muted); margin-top: .3rem; }

.badge { display: inline-block; padding: .05rem .4rem; border-radius: 9px; font-size: .72rem; background: #eee; color: #57606a; }
.badge-warn { background: #fff1e5; color: var(--warn); }

@media (max-width: 640px) {
  .site-header { gap: .75rem; }
  .site-header .account { margin-left: 0; width: 100%; }
  dl.kv { grid-template-columns: 1fr; }
  dl.kv dt { margin-top: .4rem; }
}