/* Blind Survey. Mobile first: the base rules are the phone layout, and the
   one min-width query at the bottom loosens things up on larger screens. */

:root {
    --bg: #f6f5f1;
    --surface: #ffffff;
    --text: #1c1b22;
    --muted: #62606c;
    --border: #dcdad3;
    --accent: #3d3a8c;
    --accent-contrast: #ffffff;
    --accent-soft: #ecebfa;
    --danger: #b3261e;
    --danger-soft: #fdecea;
    --ok: #1d6b45;
    --radius: 14px;
    --tap: 3rem;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #131217;
        --surface: #1d1c23;
        --text: #ecebf2;
        --muted: #a3a1b0;
        --border: #34323d;
        --accent: #a9a5ff;
        --accent-contrast: #14131f;
        --accent-soft: #2a2850;
        --danger: #ffb4ab;
        --danger-soft: #3b1614;
        --ok: #7fd6a8;
    }
}

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

/* Always leave room for the vertical scrollbar, so the centred column sits
   in the same place on short pages and long ones. */
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scrollbar-gutter: stable; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font: 1.0625rem/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

/* One content width for every page, so nothing shifts between them. */
.page {
    max-width: 40rem;
    margin: 0 auto;
    padding: 0 1rem calc(2rem + env(safe-area-inset-bottom));
}

.masthead { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1.25rem 0 1rem; }
.masthead-nav { display: flex; gap: 1.25rem; font-size: 0.9375rem; font-weight: 600; white-space: nowrap; }
.masthead-nav a { color: var(--text); text-decoration: none; }
.masthead-nav a:hover { text-decoration: underline; }
.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.625rem;
    color: var(--text);
    font-weight: 700;
    letter-spacing: 0.01em;
    text-decoration: none;
}

h1 { margin: 0 0 0.5rem; font-size: 1.5rem; line-height: 1.2; text-wrap: balance; }
h2 { margin: 0 0 0.25rem; font-size: 1.125rem; line-height: 1.3; }
p { margin: 0 0 0.75rem; }
p:last-child { margin-bottom: 0; }
a { color: var(--accent); }
code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.9em; }

.lede { color: var(--muted); }

.card {
    display: block;
    min-width: 0;
    margin: 0 0 1rem;
    padding: 1.25rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.stack { display: grid; gap: 1rem; margin-top: 1.25rem; }
.field { display: grid; gap: 0.4rem; }
.field label { font-weight: 600; }

/* 1rem minimum on inputs keeps iOS from zooming the page on focus. */
.input {
    width: 100%;
    min-height: var(--tap);
    padding: 0.7rem 0.85rem;
    background: var(--bg);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 10px;
    font: inherit;
}
textarea.input { resize: vertical; min-height: 8rem; }
.input-code {
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-align: center;
    text-transform: uppercase;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: var(--tap);
    padding: 0.75rem 1.25rem;
    background: var(--accent);
    color: var(--accent-contrast);
    border: 1px solid var(--accent);
    border-radius: 10px;
    font: inherit;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
}
.button-quiet { background: transparent; color: var(--text); border-color: var(--border); }
.button-disabled { background: transparent; color: var(--muted); border-color: var(--border); cursor: default; }

:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

/* ---- Survey ---------------------------------------------------------- */
.question { scroll-margin-top: 1rem; }
fieldset.question { margin-inline: 0; }

.eyebrow {
    margin: 0 0 0.35rem;
    color: var(--muted);
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}
.prompt {
    display: block;
    width: 100%;
    margin: 0 0 0.75rem;
    padding: 0;
    font-size: 1.125rem;
    font-weight: 600;
    line-height: 1.35;
}
/* A legend sits outside its fieldset's flow, so the eyebrow has to be pulled
   below it by hand to keep "Question 1 of 6" above the prompt. */
fieldset.question { display: flex; flex-direction: column; }
fieldset.question > .eyebrow { order: -1; }
fieldset.question > legend { float: left; }

.help { margin: -0.35rem 0 0.75rem; color: var(--muted); font-size: 0.9375rem; }
.error { margin: 0 0 0.75rem; color: var(--danger); font-weight: 600; }
.field .error { margin: 0; }
.has-error { border-color: var(--danger); }
.has-error .input { border-color: var(--danger); }

.alert {
    margin: 0 0 1rem;
    padding: 0.9rem 1rem;
    background: var(--danger-soft);
    color: var(--danger);
    border: 1px solid var(--danger);
    border-radius: var(--radius);
    font-weight: 600;
}
.alert a { color: inherit; white-space: nowrap; }

.notice {
    margin-top: 1.25rem;
    padding: 1rem 1.1rem;
    background: var(--accent-soft);
    border: 2px solid var(--accent);
    border-radius: 10px;
}
.notice h2 { margin-bottom: 0.4rem; font-size: 1.25rem; }
.notice p { margin-bottom: 0.5rem; }

.options { display: grid; gap: 0.5rem; }
.option {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-height: var(--tap);
    padding: 0.6rem 0.85rem;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 10px;
    cursor: pointer;
}
.option input {
    flex: none;
    width: 1.35rem;
    height: 1.35rem;
    margin: 0;
    accent-color: var(--accent);
}
.option:has(input:checked) { background: var(--accent-soft); border-color: var(--accent); }

.scale { display: flex; gap: 0.4rem; }
.scale-step { flex: 1 1 0; min-width: 0; cursor: pointer; }
.scale-step input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.scale-step span {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: var(--tap);
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 10px;
    font-weight: 600;
}
.scale-step input:checked + span { background: var(--accent); color: var(--accent-contrast); border-color: var(--accent); }
.scale-step input:focus-visible + span { outline: 3px solid var(--accent); outline-offset: 2px; }
/* Long scales (0 to 10) stay on one row as a joined strip, so the scale
   reads as a single line and still fits a phone. */
.scale-long { gap: 0; }
.scale-long .scale-step span { border-radius: 0; border-left-width: 0; font-size: 0.9375rem; }
.scale-long .scale-step:first-child span { border-left-width: 1px; border-radius: 10px 0 0 10px; }
.scale-long .scale-step:last-child span { border-radius: 0 10px 10px 0; }
.scale-ends {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    margin-top: 0.4rem;
    color: var(--muted);
    font-size: 0.875rem;
}

.submit-bar { display: grid; gap: 0.85rem; margin: 1.5rem 0 0; }
.submit-bar .help { margin: 0; text-align: center; }

/* Honeypot: off-screen for people, present for bots. */
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.footnote { margin-top: 1.5rem; padding-left: 0.25rem; color: var(--muted); font-size: 0.875rem; }
.footnote-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 0.25rem 1.25rem; margin-top: 3rem; font-size: 0.8125rem; }

/* ---- Admin ----------------------------------------------------------- */
.survey-row { display: grid; gap: 1rem; }
.meta { margin: 0 0 0.25rem; color: var(--muted); font-size: 0.9375rem; }
.code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-weight: 600; color: var(--text); }
.tag {
    display: inline-block;
    margin-left: 0.5rem;
    padding: 0.05rem 0.5rem;
    border: 1px solid var(--border);
    border-radius: 999px;
    font-size: 0.8125rem;
    font-weight: 600;
}
.tag-open { color: var(--ok); border-color: currentColor; }
.signout { margin-top: 1.5rem; }

/* ---- Home ------------------------------------------------------------ */
/* The survey ID is the one thing on this page. The words are centred over
   the centred input, and everything else sits below the card. */
.home .card { text-align: center; }
.home .lede { text-wrap: balance; }
.home > .page > .links { margin-top: 1.5rem; padding-left: 0.25rem; }

.prose h2 { margin-top: 1.5rem; }
.prose ul { margin: 0 0 0.75rem; padding-left: 1.25rem; }
.prose li { margin-bottom: 0.25rem; }

fieldset.options { margin: 0; padding: 0; border: 0; }
.row-inline { margin-top: 0; align-items: center; }
.check { display: inline-flex; align-items: center; gap: 0.35rem; font-size: 0.9375rem; }
.report-link { margin-top: 1.5rem; padding-left: 0.25rem; }
.report-link a, .footnote a { color: var(--muted); }

/* ---- Pricing --------------------------------------------------------- */
.price-row { display: grid; grid-template-columns: 1fr auto; gap: 1rem; align-items: center; }
.price-row h2 { margin-bottom: 0.35rem; }
.price-row .tag { margin-left: 0.35rem; color: var(--muted); font-weight: 600; vertical-align: 0.1em; }
.price { margin: 0; font-size: 1.75rem; font-weight: 700; line-height: 1; white-space: nowrap; }

/* ---- Account --------------------------------------------------------- */
.card > h2 { margin-bottom: 0.5rem; }
.card > .notice:first-child { margin-top: 0; }
.links { display: flex; flex-wrap: wrap; gap: 0.5rem 1.25rem; margin-top: 1.25rem; font-size: 0.9375rem; }
.button-danger { background: transparent; color: var(--danger); border-color: var(--danger); }
.flash {
    margin: 0 0 1rem;
    padding: 0.9rem 1rem;
    background: var(--accent-soft);
    border: 1px solid var(--accent);
    border-radius: var(--radius);
    font-weight: 600;
}

/* ---- Builder and results --------------------------------------------- */
.section-title { margin: 1.5rem 0 0.75rem; }
.stack-flush { margin-top: 0; }
.field .help { margin: 0; }
.pair { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.row-actions { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 0.75rem; }
.stack .row-actions { margin-top: 0; }
.button-small { width: auto; min-height: 2.5rem; padding: 0.4rem 0.9rem; font-size: 0.9375rem; }
.checklist { margin: 0; padding-left: 1.25rem; }
.checklist li { margin-bottom: 0.25rem; }
.share { padding: 0.75rem 0.85rem; background: var(--bg); border: 1px solid var(--border); border-radius: 10px; overflow-wrap: anywhere; }
.share code { font-size: 1rem; font-weight: 600; }

.tally { width: 100%; margin-top: 0.75rem; border-collapse: collapse; }
.tally th, .tally td { padding: 0.35rem 0; vertical-align: middle; text-align: left; }
.tally th { width: 34%; padding-right: 0.75rem; font-weight: 600; overflow-wrap: anywhere; }
.tally-count { width: 5.5rem; padding-left: 0.75rem; text-align: right; white-space: nowrap; }
.tally-count .meta { font-size: 0.875rem; }
.tally progress {
    display: block;
    width: 100%;
    height: 0.9rem;
    appearance: none;
    -webkit-appearance: none;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 999px;
    overflow: hidden;
}
.tally progress::-webkit-progress-bar { background: var(--bg); }
.tally progress::-webkit-progress-value { background: var(--accent); }
.tally progress::-moz-progress-bar { background: var(--accent); }

.answers { margin: 0.75rem 0 0; padding: 0; list-style: none; display: grid; gap: 0.5rem; }
.answers li { padding: 0.7rem 0.85rem; background: var(--bg); border: 1px solid var(--border); border-radius: 10px; overflow-wrap: anywhere; }

@media (min-width: 40rem) {
    .masthead { padding-top: 2rem; }
    .card { padding: 1.75rem; }
    h1 { font-size: 1.75rem; }
    .survey-row { grid-template-columns: 1fr auto; align-items: center; }
    .survey-row .button, .signout .button { width: auto; }
}