/* Colours, light and dark: theme.css (shared with the study overview). */
* { box-sizing: border-box; }
html { scroll-padding-top: 90px; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.55 var(--sans); }
a { color: var(--accent-strong); }
h1 { font-size: 1.45rem; margin: 0 0 .4em; font-weight: 650; }
h2 { font-size: 1.05rem; margin: 0 0 .5em; font-weight: 650; }
h3 { font-size: .78rem; text-transform: uppercase; letter-spacing: .06em; color: var(--quiet); margin: 16px 0 4px; font-weight: 600; }
p { margin: 0 0 .8em; }
kbd { font: 600 .74rem ui-monospace, "Cascadia Mono", Consolas, monospace; border: 1px solid var(--line); border-bottom-width: 2px; border-radius: 4px; padding: 0 5px; background: var(--panel); color: var(--quiet); }
code { font: .88em ui-monospace, "Cascadia Mono", Consolas, monospace; background: var(--chip); padding: 1px 5px; border-radius: 4px; }

.banner { background: var(--warn-soft); color: var(--warn); font-size: .82rem; padding: 5px 24px; }
.top { position: sticky; top: 0; z-index: 10; background: var(--panel); border-bottom: 1px solid var(--line); display: flex; align-items: center; gap: 24px; padding: 10px 24px; }
.brand { font-weight: 650; color: var(--ink); text-decoration: none; white-space: nowrap; }
#nav { display: flex; gap: 4px; }
#nav[hidden] { display: none; }
#nav a { color: var(--quiet); text-decoration: none; padding: 5px 12px; border-radius: 6px; }
#nav a:hover { color: var(--ink); background: var(--chip); }
#nav a.on { color: var(--ink); background: var(--chip); font-weight: 600; }
.who { margin-left: auto; color: var(--quiet); font-size: .9rem; }
body.practice .top { box-shadow: inset 0 -3px 0 var(--practice); }

main { max-width: 1320px; margin: 0 auto; padding: 24px 24px 80px; outline: none; }
.narrow { max-width: 760px; margin: 0 auto; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 24px; }
.stack > * + * { margin-top: 18px; }
.hint { color: var(--quiet); font-size: .86rem; }
.msg { min-height: 1.5em; color: var(--warn); font-size: .92rem; margin-top: 10px; }
.msg.ok { color: var(--accent); }
.muted { color: var(--quiet); }
.mono { font-family: ui-monospace, "Cascadia Mono", Consolas, monospace; font-size: .86rem; overflow-wrap: anywhere; }

button, .button, select, input[type=text], input[type=search], input[type=password], input[type=email], textarea {
  font: inherit; font-size: .93rem; color: var(--ink); background: var(--panel);
  border: 1px solid var(--line); border-radius: 7px;
}
button, .button { padding: 7px 14px; cursor: pointer; text-decoration: none; display: inline-flex; align-items: center; gap: 8px; }
button:hover:not(:disabled), .button:hover { border-color: var(--accent); }
button:disabled { opacity: .5; cursor: not-allowed; }
button.primary, .button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); font-weight: 600; }
button.primary kbd { background: transparent; color: inherit; border-color: currentColor; opacity: .8; }
button.danger { border-color: var(--danger); color: var(--danger); }
select, input[type=text], input[type=search], input[type=password], input[type=email] { padding: 7px 10px; }
textarea { width: 100%; padding: 8px 10px; resize: vertical; min-height: 58px; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
.actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.actions .spacer { flex: 1; }

.tag { display: inline-block; background: var(--chip); color: var(--quiet); border-radius: 999px; padding: 1px 10px; font-size: .8rem; }
.tag.practice { background: var(--practice-soft); color: var(--practice); font-weight: 600; }
.tag.ok { background: var(--accent-soft); color: var(--accent); }
.tag.warn { background: var(--warn-soft); color: var(--warn); }
.badge { font-size: .7rem; text-transform: uppercase; letter-spacing: .04em; color: var(--warn); border: 1px solid currentColor; border-radius: 4px; padding: 0 5px; white-space: nowrap; }

/* consent */
.consent h2 { font-size: 1.3rem; }
.consent ul { padding-left: 20px; }
.consent li { margin: .5em 0; }
.consent form { margin-top: 22px; display: flex; flex-wrap: wrap; gap: 12px; align-items: end; }
.consent label { display: flex; flex-direction: column; gap: 4px; font-weight: 600; flex: 1 1 280px; }
.consent input { font-weight: 400; }

/* home */
.resume { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; border-color: var(--accent); background: var(--accent-soft); }
.resume p { margin: 0; flex: 1; }
.qcards { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 18px; }
.qcard { display: flex; flex-direction: column; gap: 12px; }
.qcard .q { color: var(--quiet); font-size: .92rem; margin: 0; }
.final { color: var(--accent); font-weight: 600; }
.qcard .final { font-size: .92rem; margin: 0; }
.figs { display: flex; flex-wrap: wrap; gap: 10px; }
.figs div { flex: 1 1 5.5rem; min-width: 0; background: var(--chip); border-radius: 8px; padding: 8px 12px; font-size: .84rem; color: var(--quiet); }
.figs b { display: block; font-size: 1.2rem; color: var(--ink); }
.bar { height: 6px; background: var(--chip); border-radius: 3px; overflow: hidden; }
.bar i { display: block; height: 100%; width: 0; background: var(--accent); }
.sizes { display: inline-flex; border: 1px solid var(--line); border-radius: 7px; overflow: hidden; }
.sizes button { border: 0; border-radius: 0; padding: 6px 12px; }
.sizes button + button { border-left: 1px solid var(--line); }
.sizes button.on { background: var(--accent-soft); color: var(--accent); font-weight: 700; }
.qcard .actions { margin-top: auto; }
details.rules summary { cursor: pointer; font-weight: 600; }
.rules ul, .keys ul { margin: 8px 0 0; padding-left: 20px; }
.rules li, .keys li { margin: .3em 0; }

/* coding */
.crumbs { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 14px; margin-bottom: 14px; color: var(--quiet); font-size: .92rem; }
.crumbs a { text-decoration: none; }
.dots { display: flex; flex-wrap: wrap; gap: 3px; flex: 1 1 200px; }
.dots span { width: 12px; height: 12px; border-radius: 3px; background: var(--chip); border: 1px solid var(--line); }
.dots span.done { background: var(--accent); border-color: var(--accent); cursor: pointer; }
.dots span.skipped { background: var(--warn-soft); border-color: var(--warn); }
.dots span.cur { outline: 2px solid var(--focus); outline-offset: 1px; }
.coding { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: 22px; align-items: start; }
@media (max-width: 980px) { .coding { grid-template-columns: 1fr; } }
.answer { position: sticky; top: 76px; max-height: calc(100vh - 96px); overflow: auto; }
@media (max-width: 980px) { .answer { position: static; max-height: none; } }
.answer .meta { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 10px; }
.answer .q { color: var(--quiet); font-size: .95rem; margin-bottom: 4px; }
.answer .text { font-size: 1.1rem; line-height: 1.6; white-space: pre-wrap; overflow-wrap: anywhere; margin: 0; }
.answer .text.secondary { font-size: 1rem; color: var(--quiet); }
.controls h2 { display: flex; align-items: center; gap: 12px; }
.controls h2 .count { font-weight: 400; color: var(--quiet); font-size: .88rem; }
.controls h2 button { margin-left: auto; font-weight: 400; }
.codecols { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 10px; align-items: start; }
.codecol { display: flex; flex-direction: column; gap: 6px; }
@media (max-width: 760px) { .codecols { grid-template-columns: 1fr; } }
.code { width: 100%; justify-content: flex-start; text-align: left; padding: 6px 8px; gap: 10px; min-height: 38px; }
.code .badge { font-weight: 400; vertical-align: 1px; }
.code kbd { min-width: 1.75em; text-align: center; }
.code .lab { flex: 1; line-height: 1.3; }
.code .info { color: var(--quiet); font-size: .8rem; border: 1px solid var(--line); border-radius: 50%; width: 1.5em; height: 1.5em; display: inline-flex; align-items: center; justify-content: center; flex: none; }
.code .info:hover { color: var(--accent); border-color: var(--accent); }
.code.on { background: var(--accent-soft); border-color: var(--accent); font-weight: 600; }
.code.on kbd { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.locked .code, .locked .sent button, .locked .flags button { pointer-events: none; }
.sent { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
@media (max-width: 560px) { .sent { grid-template-columns: 1fr 1fr; } }
.sent button { justify-content: center; }
.sent button.on { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); font-weight: 600; }
.sent button.on kbd { background: transparent; color: inherit; border-color: currentColor; }
.flags { display: flex; flex-wrap: wrap; gap: 8px; }
.flags button.on { background: var(--warn-soft); border-color: var(--warn); color: var(--warn); font-weight: 600; }
.section { margin-top: 16px; }
.answer .section h3 { margin-top: 0; }
.answer .actions { margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--line); }
.answer .section.first { margin-top: 20px; padding-top: 14px; border-top: 1px solid var(--line); }

/* drawer */
.scrim { position: fixed; inset: 0; background: rgba(0, 0, 0, .25); z-index: 20; }
.drawer { position: fixed; top: 0; right: 0; bottom: 0; width: min(620px, 100%); z-index: 21; background: var(--panel); border-left: 1px solid var(--line); display: flex; flex-direction: column; box-shadow: -8px 0 24px rgba(0, 0, 0, .12); }
.drawer[hidden], .scrim[hidden] { display: none; }
.drawer-head { display: flex; align-items: center; gap: 12px; padding: 16px 20px 10px; }
.drawer-head h2 { margin: 0; flex: 1; }
#drawer-search { margin: 0 20px 10px; width: calc(100% - 40px); }
.drawer-body { overflow: auto; padding: 0 20px 40px; }
.cb { border-top: 1px solid var(--line); padding: 14px 0; }
.cb.flash { background: var(--accent-soft); }
.cb-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.cb-head b { font-size: 1rem; }
.cb-head .mono { color: var(--quiet); }
.cb p, .cb ul { margin: 6px 0; font-size: .92rem; }
.cb ul { padding-left: 20px; }
.cb .lbl { font-size: .74rem; text-transform: uppercase; letter-spacing: .05em; color: var(--quiet); font-weight: 600; margin-top: 10px; }
.cb .ex { border-left: 3px solid var(--line); padding: 2px 0 2px 10px; margin: 6px 0; font-size: .9rem; }
.cb .ex .orig { color: var(--quiet); display: block; margin-top: 2px; }
.drawer .rules { font-size: .9rem; padding-bottom: 8px; }

/* tables */
.filters { display: flex; flex-wrap: wrap; gap: 10px; align-items: end; }
.filters label { display: flex; flex-direction: column; gap: 3px; font-size: .8rem; color: var(--quiet); }
.filters select { max-width: 300px; }
table { width: 100%; border-collapse: collapse; font-size: .92rem; }
th { text-align: left; font-weight: 600; color: var(--quiet); font-size: .8rem; border-bottom: 1px solid var(--line); padding: 8px; }
td { border-bottom: 1px solid var(--line); padding: 9px 8px; vertical-align: top; }
tbody tr.link { cursor: pointer; }
tbody tr.link:hover { background: var(--chip); }
td .snip { color: var(--quiet); font-size: .85rem; display: block; max-width: 40ch; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.table-wrap { overflow-x: auto; }
.empty { color: var(--quiet); padding: 24px 0; }

/* library: tiles with the full answers */
.libbar { display: flex; align-items: center; gap: 12px; margin: 12px 0; }
.libbar .hint { margin: 0; }
.libbar .sizes { margin-left: auto; }
.tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(340px, 100%), 1fr)); gap: 14px; }
.tile { display: flex; flex-direction: column; gap: 10px; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; cursor: pointer; }
.tile:hover, .tile:focus-visible { border-color: var(--accent); outline: none; }
.tile-head { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 10px; color: var(--quiet); font-size: .88rem; }
.tile-head .spacer { flex: 1; }
.tile .text { margin: 0; white-space: pre-wrap; overflow-wrap: anywhere; }
.tile .orig summary { cursor: pointer; color: var(--quiet); font-size: .86rem; }
.tile .orig .text { margin-top: 6px; color: var(--quiet); }
.tile-codes { display: flex; flex-wrap: wrap; gap: 6px; }
.tile .hint { margin: 0; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; margin: 14px 0 18px; }
.stats div { background: var(--chip); border-radius: 8px; padding: 10px 14px; color: var(--quiet); font-size: .86rem; }
.stats b { display: block; font-size: 1.35rem; color: var(--ink); }
.check { display: flex; gap: 10px; align-items: flex-start; margin: 14px 0; }
.check input { margin-top: 5px; }
dl.kv { display: grid; grid-template-columns: max-content 1fr; gap: 6px 18px; margin: 0; font-size: .92rem; }
dl.kv dt { color: var(--quiet); }
dl.kv dd { margin: 0; overflow-wrap: anywhere; }
.notice { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.notice p { margin: 0; flex: 1; }
mark { color: inherit; border-radius: 3px; padding: 0 2px; }
mark.auto { background: var(--practice-soft); box-shadow: inset 0 -2px 0 var(--practice); }
mark.sug { background: none; text-decoration: underline 2px dotted var(--accent); text-underline-offset: 3px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { padding: 4px 10px; border-radius: 999px; font-size: .88rem; }
.chip.on { background: var(--accent-soft); border-color: var(--accent); text-decoration: line-through; }
.controls textarea { margin-bottom: 10px; font-size: 1rem; line-height: 1.55; }
.field { display: flex; flex-direction: column; gap: 4px; font-weight: 600; }
.field input { font-weight: 400; }
.key { font-size: 1.05rem; letter-spacing: .06em; overflow-wrap: anywhere; }
#logout { margin-left: 8px; }
#logout[hidden] { display: none; }
.crumbs h2 { margin: 0; }
.toast { position: fixed; bottom: 18px; left: 50%; transform: translateX(-50%); background: var(--ink); color: var(--bg); padding: 9px 18px; border-radius: 8px; z-index: 30; font-size: .92rem; }
@media (max-width: 640px) {
  .top { gap: 12px; padding: 10px 16px; flex-wrap: wrap; }
  main { padding: 16px 16px 60px; }
  .card { padding: 16px; }
}

/* start page (online, not logged in): the study overview or coding */
.welcome { max-width: 1040px; margin: 0 auto; }
.choices { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(380px, 100%), 1fr)); gap: 18px; align-items: start; }
.choices .card h2 { font-size: 1.2rem; }
details.request { margin-top: 18px; border-top: 1px solid var(--line); padding-top: 14px; }
details.request summary { cursor: pointer; color: var(--accent); font-weight: 600; }
details.request form { margin-top: 12px; }
details.request textarea { width: 100%; padding: 7px 10px; resize: vertical; }
.nowrap { white-space: nowrap; }
.badge-n { display: inline-block; min-width: 1.4em; padding: 0 6px; border-radius: 999px; background: var(--accent); color: var(--on-accent);
  font-size: .75rem; font-weight: 700; line-height: 1.5; text-align: center; margin-left: 2px; }

/* online: progress towards the minimum for being named in the paper */
.goal.met { border-color: var(--accent); }
.goals { display: grid; gap: 8px; margin: 10px 0; }
.goalrow { display: grid; grid-template-columns: minmax(9rem, 14rem) 1fr 6rem; gap: 12px; align-items: center; font-size: .92rem; }
.goalrow b { text-align: right; font-variant-numeric: tabular-nums; }
.goalrow .bar { margin: 0; }
@media (max-width: 560px) { .goalrow { grid-template-columns: 1fr 5rem; } .goalrow .bar { grid-column: 1 / -1; grid-row: 2; } }