/* Naija Speech API */
:root {
  color-scheme: light only;
  --page: #ffffff; --surface: #ffffff; --surface-2: #f6f7f6; --code: #111815; --code-ink: #e3ebe6;
  --ink: #111815; --ink-2: #4b5650; --muted: #77817b; --border: #e5e8e6; --border-2: #d5dad7;
  --brand: #008751; --brand-ink: #006b40; --brand-soft: #e6f3ec; --on-brand: #fff;
  --bad: #b3261e; --bad-soft: #fcefee; --warn: #8a5a00; --warn-soft: #fdf5e4;
  --font: "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, monospace;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--page); color: var(--ink); font: 15px/1.6 var(--font); -webkit-font-smoothing: antialiased; min-height: 100vh; display: flex; flex-direction: column; }
body > * { min-width: 0; }
body > main { flex: 1 0 auto; }
body > footer { margin-top: auto; }
a { color: var(--brand-ink); text-underline-offset: 2px; }
button, input, textarea, select { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; }
h1, h2, h3 { letter-spacing: -0.015em; line-height: 1.25; margin: 0; }
h1 { font-size: 30px; font-weight: 750; }
h2 { font-size: 21px; font-weight: 700; margin: 0 0 10px; }
h3 { font-size: 16px; font-weight: 700; margin: 18px 0 8px; }
p { margin: 0 0 12px; }
ul { margin: 0 0 12px; padding-left: 20px; }
code { font: 13px/1.5 var(--mono); background: var(--surface-2); border: 1px solid var(--border); padding: 0 5px; border-radius: 5px; overflow-wrap: anywhere; }
.wrap { width: 100%; max-width: 1200px; margin: 0 auto; padding-inline: 32px; }
.narrow { max-width: 440px; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
[hidden] { display: none !important; }

/* header */
header.bar { border-bottom: 1px solid var(--border); background: #fff; position: sticky; top: 0; z-index: 20; }
header.bar .wrap { display: flex; align-items: center; gap: 20px; height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 750; font-size: 16px; text-decoration: none; color: var(--ink); white-space: nowrap; }
.flag { width: 22px; height: 15px; border-radius: 3px; overflow: hidden; display: inline-flex; box-shadow: 0 0 0 1px var(--border); flex: none; }
.flag i { flex: 1; } .flag i:nth-child(odd) { background: #008751; } .flag i:nth-child(2) { background: #fff; }
nav.links { display: flex; gap: 2px; align-items: center; }
nav.links a { padding: 6px 10px; border-radius: 7px; color: var(--ink-2); text-decoration: none; font-weight: 600; font-size: 14px; }
nav.links a:hover, nav.links a[aria-current] { color: var(--ink); background: var(--surface-2); }
.actions { margin-left: auto; display: flex; gap: 8px; align-items: center; }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: 1px solid var(--border-2); background: #fff; padding: 8px 14px; border-radius: 8px; font-weight: 650; font-size: 14px; cursor: pointer; text-decoration: none; color: var(--ink); white-space: nowrap; }
.btn:hover { background: var(--surface-2); }
.btn.primary { background: #006b40; border-color: #006b40; color: #fff; }
.btn.primary:hover { background: #005733; border-color: #005733; }
.btn.danger { color: var(--bad); }
.btn.block { width: 100%; padding: 10px 14px; }
.btn[disabled] { opacity: 0.6; cursor: default; }
.btn.sm { padding: 5px 10px; font-size: 13px; border-radius: 7px; }

/* landing */
.hero { padding: 64px 0 40px; border-bottom: 1px solid var(--border); }
.hero h1 { font-size: clamp(30px, 4.4vw, 46px); font-weight: 800; max-width: 820px; letter-spacing: -0.025em; }
.hero p.lead { font-size: 18px; color: var(--ink-2); max-width: 640px; margin: 16px 0 26px; }
.hero .cta { display: flex; gap: 10px; flex-wrap: wrap; }

/* docs: side navigation + content */
.docs { display: grid; grid-template-columns: 200px minmax(0, 1fr); gap: 56px; padding: 36px 0 72px; }
.toc { position: sticky; top: 84px; align-self: start; display: flex; flex-direction: column; font-size: 14px; }
.toc b { font-size: 12px; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); margin: 0 0 6px 10px; }
.toc a { color: var(--ink-2); text-decoration: none; padding: 5px 10px; border-radius: 6px; font-weight: 550; }
.toc a:hover { background: var(--surface-2); color: var(--ink); }
.content { max-width: 860px; }
.content section { padding-bottom: 32px; margin-bottom: 32px; border-bottom: 1px solid var(--border); scroll-margin-top: 84px; }
.content section:last-child { border-bottom: 0; }

/* code */
.code { background: var(--code); color: var(--code-ink); border-radius: 10px; overflow: hidden; margin: 12px 0 14px; }
.code .tabs { display: flex; gap: 2px; padding: 4px 8px 0; border-bottom: 1px solid rgba(255,255,255,0.08); align-items: center; overflow-x: auto; }
.code .tabs button { background: none; border: 0; color: #93a39a; padding: 9px 10px; font-size: 13px; font-weight: 600; cursor: pointer; border-bottom: 2px solid transparent; white-space: nowrap; }
.code .tabs button[aria-selected="true"] { color: #fff; border-bottom-color: #2fbf7a; }
.code .tabs .copy { position: sticky; right: 0; box-shadow: -10px 0 10px var(--code); margin-left: auto; background: #2a332e; border: 0; border-radius: 6px; padding: 4px 10px; color: #dbe7df; font-size: 12.5px; font-weight: 600; cursor: pointer; }
.code pre { margin: 0; padding: 16px 18px; overflow-x: auto; font: 13px/1.65 var(--mono); }
.code pre[hidden] { display: none; }

/* tables */
.tbl-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.tbl { width: 100%; border-collapse: collapse; font-size: 14px; margin: 8px 0 14px; }
.tbl th, .tbl td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); vertical-align: top; }
.tbl th { font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); font-weight: 700; white-space: nowrap; }
.tbl td code { white-space: nowrap; }
.tbl .num { text-align: right; font-variant-numeric: tabular-nums; }
.ok { color: var(--brand-ink); font-weight: 650; } .ko { color: var(--bad); font-weight: 650; }

.note { background: var(--surface-2); border: 1px solid var(--border); border-radius: 8px; padding: 12px 14px; font-size: 14px; margin: 12px 0; }
.note.warn { background: var(--warn-soft); border-color: #f1e2bd; }
.attr { font-size: 14px; color: var(--ink-2); border-left: 3px solid var(--brand); padding: 4px 0 4px 12px; margin: 12px 0; }

/* cards, forms */
.card { background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 22px; }
form .field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
label { font-weight: 600; font-size: 14px; }
label .opt { font-weight: 500; color: var(--muted); }
input[type=text], input[type=email], input[type=password], input[type=search], textarea { border: 1px solid var(--border-2); background: #fff; border-radius: 8px; padding: 9px 12px; width: 100%; font-size: 15px; }
input:focus, textarea:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px rgba(0,135,81,0.15); }
textarea { min-height: 80px; resize: vertical; }
.check { display: flex; gap: 10px; align-items: flex-start; font-weight: 500; font-size: 14px; color: var(--ink-2); }
.check input { margin-top: 4px; accent-color: var(--brand); }
.hp { position: absolute; left: -9999px; }
.err { color: var(--bad); font-size: 14px; margin: 0 0 12px; }
.err:empty { display: none; }

/* auth pages */
.auth { min-height: calc(100vh - 61px); display: flex; align-items: flex-start; justify-content: center; padding: 56px 16px; background: var(--surface-2); }
.auth .card { width: 100%; max-width: 440px; padding: 28px; }
.auth h1 { font-size: 24px; margin-bottom: 6px; }
.auth .alt { text-align: center; font-size: 14px; color: var(--ink-2); margin: 16px 0 0; }

/* app (dashboard, admin) */
.app-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; padding: 30px 0 4px; }
.subtabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin: 18px 0 24px; overflow-x: auto; scrollbar-width: none; }
.subtabs button { border: 0; background: none; padding: 10px 12px; font-weight: 600; font-size: 14px; color: var(--ink-2); cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -1px; white-space: nowrap; }
.subtabs button[aria-selected="true"] { color: var(--ink); border-bottom-color: var(--ink); }
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-bottom: 16px; }
.tile { border: 1px solid var(--border); border-radius: 10px; padding: 14px 16px; }
.tile .k { font-size: 13px; color: var(--muted); font-weight: 600; }
.tile .v { font-size: 26px; font-weight: 750; margin-top: 2px; font-variant-numeric: tabular-nums; letter-spacing: -0.02em; }
.tile .s { font-size: 13px; color: var(--ink-2); }
.panel { border: 1px solid var(--border); border-radius: 10px; padding: 18px; margin-bottom: 16px; }
.panel > .head { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; flex-wrap: wrap; margin-bottom: 10px; }
.panel > .head h3 { margin: 0; font-size: 15px; }
.panel.flush { padding: 4px 6px; }
.panel.flush > .head { padding: 12px 12px 0; }
.chartbox { position: relative; height: 240px; }
.keybox { display: flex; gap: 8px; align-items: center; background: var(--code); color: var(--code-ink); border-radius: 8px; padding: 10px 10px 10px 14px; font: 14px var(--mono); word-break: break-all; }
.keybox span { flex: 1; }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.empty { color: var(--muted); padding: 18px 12px; }

footer { border-top: 1px solid var(--border); padding: 24px 0 36px; color: var(--muted); font-size: 13px; }
footer .wrap { display: flex; gap: 16px; flex-wrap: wrap; justify-content: space-between; }
footer a { color: var(--ink-2); }

@media (max-width: 860px) {
  .docs { grid-template-columns: minmax(0, 1fr); gap: 0; padding-top: 24px; }
  .toc { display: none; }
}
@media (max-width: 640px) {
  .wrap { padding-inline: 16px; }
  header.bar .wrap { gap: 10px; }
  nav.links { display: none; }
  #who { display: none; }
  .tile { padding: 12px; }
  .hero { padding: 40px 0 28px; }
  .hero p.lead { font-size: 16px; }
  .card, .auth .card { padding: 20px; }
  .auth { padding: 28px 16px; }
  .tbl th, .tbl td { padding: 9px 8px; }
  .tile .v { font-size: 22px; }
}
.hero .limits { list-style: none; padding: 0; margin: 26px 0 0; display: flex; flex-wrap: wrap; gap: 8px; font-size: 13.5px; color: var(--ink-2); }
.hero .limits li { border: 1px solid var(--border); border-radius: 999px; padding: 4px 12px; background: var(--surface-2); }
.hero .limits b { color: var(--ink); font-weight: 700; }
.field.invalid input, .field.invalid textarea { border-color: var(--bad); }
.field.invalid input:focus, .field.invalid textarea:focus { box-shadow: 0 0 0 3px rgba(179,38,30,0.15); }
.field-err { color: var(--bad); font-size: 13px; font-weight: 500; }
.check.invalid { color: var(--bad); }
.check { flex-wrap: wrap; }
.check .field-err { flex-basis: 100%; padding-left: 26px; }
.field.invalid .hint { display: none; }
.keyform { display: flex; gap: 10px; max-width: 520px; align-items: flex-start; }
.keyform .field { flex: 1; min-width: 0; margin: 0; }