/*
 * One stylesheet, no build step. Colours and spacing are custom properties so
 * dark mode is a matter of redefining them.
 */

:root {
    --bg: #f7f7fb;
    --bg-accent: #eef0fb;
    --surface: #ffffff;
    --ink: #17171f;
    --muted: #5f6272;
    --line: #e3e4ee;
    --accent: #5b4bdb;
    --accent-ink: #ffffff;
    --accent-soft: #ecebfc;
    --ok: #137a4b;
    --ok-soft: #e3f5ec;
    --warn: #8a5a00;
    --warn-soft: #fdf1d8;
    --danger: #b3261e;
    --danger-soft: #fdecea;
    --radius: 14px;
    --radius-small: 8px;
    --shadow: 0 1px 2px rgb(20 20 40 / 5%), 0 4px 16px rgb(20 20 40 / 5%);
    --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;
    color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #111118;
        --bg-accent: #181830;
        --surface: #1a1a24;
        --ink: #ececf3;
        --muted: #a0a2b4;
        --line: #2b2c3a;
        --accent: #9d92ff;
        --accent-ink: #14121f;
        --accent-soft: #26234a;
        --ok: #5fd39a;
        --ok-soft: #173327;
        --warn: #f0c261;
        --warn-soft: #3a2e12;
        --danger: #ff8d85;
        --danger-soft: #3b1d1b;
        --shadow: 0 1px 2px rgb(0 0 0 / 30%);
    }
}

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

html { -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background:
        radial-gradient(60rem 30rem at 10% -10%, var(--bg-accent), transparent 70%),
        var(--bg);
    color: var(--ink);
    font: 16px/1.6 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

a { color: var(--accent); text-underline-offset: .15em; }
a:hover { text-decoration-thickness: 2px; }

h1, h2, h3 { line-height: 1.25; letter-spacing: -0.015em; }
h1 { margin: 0 0 .5rem; font-size: clamp(1.5rem, 1.2rem + 1vw, 2rem); }
h2 { margin: 0 0 .5rem; font-size: 1.15rem; }
h3 { margin: 0 0 .35rem; font-size: 1rem; }
p { margin: 0 0 1rem; }
p:last-child { margin-bottom: 0; }

code {
    font-family: var(--mono);
    font-size: .875em;
    background: var(--accent-soft);
    border-radius: 5px;
    padding: .1em .35em;
    overflow-wrap: anywhere;
}

img { max-width: 100%; }

.muted { color: var(--muted); }
.small { font-size: .875rem; }
.wrap { overflow-wrap: anywhere; }

.sr-only {
    position: absolute;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
    border: 0;
}

/* --------------------------------------------------------------- chrome */

.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    backdrop-filter: saturate(1.4) blur(10px);
    background: color-mix(in srgb, var(--bg) 80%, transparent);
    border-bottom: 1px solid var(--line);
}

.bar {
    max-width: 64rem;
    margin: 0 auto;
    padding: .75rem 1.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: .6rem;
    color: var(--ink);
    font-weight: 700;
    text-decoration: none;
    letter-spacing: -0.01em;
}

.brand-mark {
    width: 1.5rem;
    height: 1.5rem;
    border-radius: 50%;
    background: conic-gradient(from 200deg, #5b4bdb, #2fb4e8, #43d19e, #5b4bdb);
    box-shadow: inset 0 0 0 4px var(--surface);
    border: 1px solid var(--line);
}

.nav { display: flex; align-items: center; gap: 1.1rem; font-size: .9375rem; }
.nav a { color: var(--ink); text-decoration: none; }
.nav a:hover { color: var(--accent); }
.nav-form { display: inline; margin: 0; }

.link-button {
    padding: 0;
    font: inherit;
    color: var(--accent);
    background: none;
    border: 0;
    cursor: pointer;
    text-decoration: underline;
    text-underline-offset: .15em;
}

.nav .link-button { color: var(--muted); text-decoration: none; }
.nav .link-button:hover { color: var(--accent); }

.shell {
    flex: 1;
    width: 100%;
    max-width: 36rem;
    margin: 0 auto;
    padding: 2.5rem 1.25rem 4rem;
}

.shell.wide { max-width: 56rem; }

.site-footer {
    padding: 2rem 1.25rem 2.5rem;
    border-top: 1px solid var(--line);
    text-align: center;
    color: var(--muted);
    font-size: .875rem;
}

.site-footer nav { display: flex; flex-wrap: wrap; justify-content: center; gap: .5rem 1.25rem; margin-bottom: .5rem; }
.site-footer a { color: var(--muted); }

/* --------------------------------------------------------------- blocks */

.card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: clamp(1.25rem, 1rem + 1vw, 2rem);
}

.card + .card, .notice + .card, .alert + .card, .page-header + .card { margin-top: 1.25rem; }

.card-header {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    justify-content: space-between;
    gap: .75rem 1rem;
    margin-bottom: .75rem;
}

.card-header h2 { margin: 0; }

.card-danger { border-color: color-mix(in srgb, var(--danger) 35%, var(--line)); box-shadow: none; }
.card-secret { border-color: var(--accent); border-width: 2px; }

.page-header { margin-bottom: 1.5rem; }
.page-header .badge { margin-top: .25rem; }

.eyebrow {
    margin: 0 0 .35rem;
    color: var(--accent);
    font-size: .8125rem;
    font-weight: 600;
    letter-spacing: .06em;
    text-transform: uppercase;
}

.eyebrow a { text-decoration: none; }

.empty { color: var(--muted); font-style: italic; }

.stack { display: grid; gap: 1.1rem; margin-top: 1.25rem; }

.divider {
    display: flex;
    align-items: center;
    gap: .75rem;
    margin: 1.75rem 0 .5rem;
    color: var(--muted);
    font-size: .875rem;
}

.divider::before, .divider::after { content: ''; flex: 1; height: 1px; background: var(--line); }

.notice, .alert {
    margin: 0 0 1.25rem;
    padding: .8rem 1rem;
    border-radius: var(--radius-small);
    font-size: .9375rem;
}

.notice { background: var(--ok-soft); color: var(--ink); border: 1px solid color-mix(in srgb, var(--ok) 30%, transparent); }
.alert { background: var(--danger-soft); color: var(--danger); border: 1px solid color-mix(in srgb, var(--danger) 30%, transparent); }
.stack .alert, .card .alert:last-child { margin-bottom: 0; }
.card .notice { background: var(--accent-soft); border-color: transparent; }

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

.field { display: grid; gap: .35rem; }
.field label { font-size: .9rem; font-weight: 600; }

input[type="text"], input[type="url"], input[type="email"], input:not([type]), select, textarea {
    width: 100%;
    padding: .65rem .8rem;
    font: inherit;
    color: var(--ink);
    background: var(--bg);
    border: 1px solid var(--line);
    border-radius: var(--radius-small);
}

input:focus-visible, select:focus-visible, textarea:focus-visible {
    outline: 3px solid color-mix(in srgb, var(--accent) 35%, transparent);
    border-color: var(--accent);
}

.hint { margin: 0; font-size: .8125rem; color: var(--muted); }

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .4rem;
    padding: .7rem 1.2rem;
    font: inherit;
    font-weight: 600;
    line-height: 1.2;
    color: var(--accent-ink);
    background: var(--accent);
    border: 1px solid transparent;
    border-radius: 999px;
    cursor: pointer;
    text-decoration: none;
    transition: filter .15s, transform .05s;
}

.button:hover { filter: brightness(1.08); }
.button:active { transform: translateY(1px); }
.button:focus-visible { outline: 3px solid color-mix(in srgb, var(--accent) 45%, transparent); outline-offset: 2px; }
.button:disabled { opacity: .55; cursor: not-allowed; }

.button-quiet { color: var(--ink); background: var(--surface); border-color: var(--line); }
.button-small { padding: .4rem .8rem; font-size: .875rem; }
.button-danger { color: #fff; background: var(--danger); }
.button-danger-quiet { color: var(--danger); background: transparent; border-color: color-mix(in srgb, var(--danger) 40%, var(--line)); }

.actions { display: flex; flex-wrap: wrap; align-items: center; gap: .6rem; margin-top: 1.25rem; }
.actions form { margin: 0; }

.inline-form { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1rem; }
.inline-form input { flex: 1 1 12rem; width: auto; padding: .45rem .7rem; }

details > summary { cursor: pointer; list-style: none; }
details > summary::-webkit-details-marker { display: none; }
.card-danger summary .inline-heading { display: inline; color: var(--danger); font-size: 1rem; }
.card-danger details[open] summary { margin-bottom: .75rem; }

.inline-details { position: relative; }
.inline-details[open] > form { margin-top: .5rem; }

/* ----------------------------------------------------------------- lists */

.rows { margin: 1rem 0; padding: 0; list-style: none; display: grid; gap: .5rem; }

.rows > li {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem 1rem;
    align-items: center;
    justify-content: space-between;
    padding: .75rem 1rem;
    background: var(--bg);
    border: 1px solid var(--line);
    border-radius: var(--radius-small);
}

.rows p { margin: .1rem 0 0; }
.row-main { color: var(--ink); text-decoration: none; }
.row-main:hover strong { color: var(--accent); }
.row-actions { display: flex; flex-wrap: wrap; align-items: flex-start; gap: .5rem; }
.row-actions form { margin: 0; }
.row-stack { align-items: flex-start; }

.link-list { margin: 1.25rem 0 0; padding: 1rem 0 0; list-style: none; border-top: 1px solid var(--line); display: grid; gap: .4rem; }

.badge {
    display: inline-block;
    padding: .15rem .6rem;
    font-size: .75rem;
    font-weight: 600;
    color: var(--muted);
    background: var(--bg);
    border: 1px solid var(--line);
    border-radius: 999px;
    vertical-align: middle;
}

.badge-ok { color: var(--ok); background: var(--ok-soft); border-color: transparent; }
.badge-warn { color: var(--warn); background: var(--warn-soft); border-color: transparent; }

.tags { display: flex; flex-wrap: wrap; gap: .35rem; margin: .25rem 0; padding: 0; list-style: none; }
.tag { padding: .1rem .55rem; font-size: .8125rem; font-family: var(--mono); background: var(--accent-soft); border-radius: 999px; }

.facts { margin: 0; display: grid; grid-template-columns: max-content 1fr; gap: .4rem 1.25rem; font-size: .9375rem; }
.facts dt { color: var(--muted); }
.facts dd { margin: 0; overflow-wrap: anywhere; }

.app-list { margin: 0; padding: 0; list-style: none; display: grid; gap: 1rem; }
.app-list .card + .card { margin-top: 0; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .9375rem; }
th, td { padding: .5rem .75rem .5rem 0; text-align: left; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-weight: 600; font-size: .8125rem; }

.code-block {
    margin: .75rem 0;
    padding: .9rem 1rem;
    overflow-x: auto;
    font-family: var(--mono);
    font-size: .875rem;
    line-height: 1.5;
    background: var(--bg);
    border: 1px solid var(--line);
    border-radius: var(--radius-small);
}

.code-block code { padding: 0; background: none; font-size: inherit; overflow-wrap: normal; white-space: pre; }
.code-block.secret code { user-select: all; font-size: 1rem; }

/* A code block with a copy button attached to its end. */
.copy-field { display: flex; align-items: stretch; margin: .75rem 0; }
.copy-field .code-block { flex: 1; min-width: 0; margin: 0; }

.copy-field:has(.copy-button:not([hidden])) .code-block {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}

.copy-button {
    flex: none;
    padding: 0 1rem;
    font: inherit;
    font-size: .875rem;
    font-weight: 600;
    color: var(--accent);
    background: var(--accent-soft);
    border: 1px solid var(--line);
    border-left: 0;
    border-radius: 0 var(--radius-small) var(--radius-small) 0;
    cursor: pointer;
    white-space: nowrap;
}

.copy-button:hover { filter: brightness(0.97); }
.copy-button:focus-visible { outline: 3px solid color-mix(in srgb, var(--accent) 45%, transparent); outline-offset: 2px; }

/* --------------------------------------------------------------- consent */

.consent-app { display: flex; align-items: center; gap: 1rem; margin-bottom: 1.25rem; }
.consent-app h1 { margin: 0; font-size: 1.35rem; }
.consent-app p { margin: 0; }

.app-logo {
    flex: none;
    width: 3.5rem;
    height: 3.5rem;
    border-radius: 12px;
    object-fit: contain;
    background: var(--bg);
    border: 1px solid var(--line);
}

.app-logo-placeholder {
    display: grid;
    place-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent);
    background: var(--accent-soft);
    border-color: transparent;
}

.consent-lede { margin: 0; color: var(--muted); }

.identity {
    margin: .25rem 0 1.25rem;
    font-size: 1.25rem;
    font-weight: 700;
    overflow-wrap: anywhere;
}

fieldset { margin: 0; padding: 0; border: 0; display: grid; gap: .5rem; }
legend { margin-bottom: .5rem; padding: 0; font-weight: 600; font-size: .9rem; }

.scope, .choice {
    display: flex;
    align-items: flex-start;
    gap: .7rem;
    padding: .65rem .85rem;
    background: var(--bg);
    border: 1px solid var(--line);
    border-radius: var(--radius-small);
    cursor: pointer;
}

.scope input, .choice input { margin: .3rem 0 0; accent-color: var(--accent); }
.scope-description { display: block; color: var(--muted); font-size: .875rem; }

.switch-account { display: flex; flex-wrap: wrap; align-items: baseline; gap: .4rem; margin-top: 1.5rem; padding-top: 1rem; border-top: 1px solid var(--line); }

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

.hero { padding: 2rem 0 3rem; max-width: 44rem; }
.hero h1 { font-size: clamp(2.1rem, 1.4rem + 3vw, 3.4rem); line-height: 1.08; letter-spacing: -0.03em; margin-bottom: 1rem; }
.highlight { background: linear-gradient(90deg, #5b4bdb, #2fb4e8); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lede { font-size: 1.15rem; color: var(--muted); max-width: 38rem; }
.hero .actions { margin-top: 1.75rem; }
.hero .button { padding: .85rem 1.5rem; }

.steps h2 { font-size: 1.35rem; margin-bottom: 1rem; }
.step-list { margin: 0; padding: 0; list-style: none; display: grid; grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr)); gap: 1rem; }
.step-list li { position: relative; padding: 1.5rem; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.step-list p { color: var(--muted); font-size: .9375rem; }

.step-number {
    display: inline-grid;
    place-items: center;
    width: 2rem;
    height: 2rem;
    margin-bottom: .75rem;
    font-weight: 700;
    color: var(--accent);
    background: var(--accent-soft);
    border-radius: 50%;
}

.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr)); gap: 1.5rem; margin-top: 3rem; }
.feature { padding-left: 1rem; border-left: 3px solid var(--accent-soft); }
.feature p { color: var(--muted); font-size: .9375rem; }

/* ----------------------------------------------------------------- prose */

.prose { max-width: 44rem; }
.prose h1 { margin-bottom: 1rem; }
.prose h2 { margin: 2.25rem 0 .75rem; font-size: 1.35rem; }
.prose h3 { margin: 1.5rem 0 .5rem; font-size: 1.05rem; }
.prose ul, .prose ol { padding-left: 1.25rem; margin: 0 0 1rem; }
.prose li { margin-bottom: .35rem; }
.prose .code-block { margin: 1rem 0 1.25rem; }
.prose .facts { margin: 1rem 0 1.5rem; }
.prose .toc { margin: 1.5rem 0 2rem; padding: 1rem 1.25rem; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.prose .toc ol { margin: 0; }

.faq dt { margin-top: 1.5rem; font-weight: 700; }
.faq dd { margin: .35rem 0 0; color: var(--ink); }

@media (max-width: 36rem) {
    .nav { gap: .8rem; }
    .facts { grid-template-columns: 1fr; gap: .1rem; }
    .facts dd { margin-bottom: .5rem; }
}