/* zerde/deploy — hand-written CSS, no framework. Tokens, base, layout, components.
   Light by default (daytime desk work), dark follows the OS. Ink does the work; steppe gold marks the brand;
   green and red only carry meaning (live/published, danger). */

:root {
  --bg: #ffffff;
  --subtle: #f6f7f9;
  --surface: #ffffff;
  --ink: #16181d;
  --ink-2: #5d6370;
  --line: #e7e9ee;
  --line-2: #d3d7de;
  --primary: #16181d;
  --primary-hover: #2e323b;
  --primary-ink: #ffffff;
  --brand: #e9a800;
  --brand-soft: #fff6d9;
  --ok: #12805c;
  --ok-soft: #ecf8f2;
  --ok-line: #c3e6d4;
  --danger: #c0322b;
  --danger-soft: #fdf0ef;
  --danger-line: #f3cbc8;
  --r-sm: 8px;
  --r: 12px;
  --s1: 4px;
  --s2: 8px;
  --s3: 12px;
  --s4: 16px;
  --s5: 24px;
  --s6: 32px;
  --s7: 48px;
  --sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", "Roboto Mono", Menlo, Consolas, monospace;
  --ease: 160ms cubic-bezier(0.2, 0, 0, 1);
  --i-ok: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='9'/%3E%3Cpath d='m8 12.5 2.8 2.8L16 9.8'/%3E%3C/svg%3E");
  --i-err: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round'%3E%3Ccircle cx='12' cy='12' r='9'/%3E%3Cpath d='M12 7.5v5.5M12 16.5h.01'/%3E%3C/svg%3E");
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1012;
    --subtle: #17191c;
    --surface: #131417;
    --ink: #ecedef;
    --ink-2: #a2a7b0;
    --line: #25272c;
    --line-2: #353840;
    --primary: #ecedef;
    --primary-hover: #ffffff;
    --primary-ink: #0f1012;
    --brand: #f2c14b;
    --brand-soft: #2a2412;
    --ok: #47c48f;
    --ok-soft: #10231b;
    --ok-line: #1e4634;
    --danger: #f2756d;
    --danger-soft: #2a1514;
    --danger-line: #5a2724;
  }
}

/* Base */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body { margin: 0; min-height: 100vh; background: var(--bg); color: var(--ink); font: 400 16px/1.5 var(--sans); -webkit-font-smoothing: antialiased; }
::selection { background: var(--brand-soft); color: var(--ink); }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 3px; }
h1, h2, p, ol, ul { margin: 0; }
h1 { font-size: 28px; line-height: 1.2; font-weight: 600; letter-spacing: -0.02em; overflow-wrap: anywhere; text-wrap: balance; }
h2 { font-size: 16px; line-height: 1.35; font-weight: 600; }
button, input { font: inherit; color: inherit; }
input { caret-color: var(--ink); }
:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }
[hidden] { display: none !important; }
svg { flex: none; }
.mono { font-family: var(--mono); }
.mono:where(:not(h1, h2)) { font-size: 0.93em; }
.muted { color: var(--ink-2); }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip { position: absolute; left: -9999px; top: var(--s2); z-index: 20; padding: var(--s2) var(--s3); background: var(--surface); border: 1px solid var(--line-2); border-radius: var(--r-sm); }
.skip:focus { left: var(--s2); }
.wrap { width: 100%; max-width: 960px; margin: 0 auto; padding-inline: var(--s5); }
main { padding-top: var(--s6); padding-bottom: 64px; }

/* Header */
.top { position: sticky; top: 0; z-index: 5; background: var(--bg); border-bottom: 1px solid var(--line); }
.top-in { display: flex; align-items: center; gap: var(--s6); min-height: 60px; }
.mark { font-size: 17px; font-weight: 600; letter-spacing: -0.02em; text-decoration: none; white-space: nowrap; }
.mark-slash { margin: 0 1px; color: var(--brand); }
.mark-sub { font-weight: 400; color: var(--ink-2); }
.top-nav { display: flex; gap: var(--s5); align-self: stretch; }
.top-nav a { display: flex; align-items: center; font-size: 15px; color: var(--ink-2); text-decoration: none; }
.top-nav a:hover { color: var(--ink); }
.top-nav a[aria-current="page"] { color: var(--ink); font-weight: 500; box-shadow: inset 0 -2px 0 var(--ink); }
.top-end { display: flex; align-items: center; gap: var(--s4); margin-left: auto; }
.langs { display: flex; gap: 2px; padding: 2px; background: var(--subtle); border-radius: var(--r-sm); }
.langs a { min-width: 44px; padding: 5px var(--s2); border-radius: 6px; font-size: 13px; text-align: center; color: var(--ink-2); text-decoration: none; }
.langs a:hover { color: var(--ink); }
.langs a[aria-current] { background: var(--surface); color: var(--ink); font-weight: 600; box-shadow: 0 1px 2px rgb(0 0 0 / 0.08); }
.menu { position: relative; }
.menu > summary { display: block; list-style: none; cursor: pointer; border-radius: 50%; }
.menu > summary::-webkit-details-marker { display: none; }
.avatar { display: grid; place-items: center; width: 32px; height: 32px; border-radius: 50%; background: var(--subtle); border: 1px solid var(--line-2); color: var(--ink); font-size: 14px; font-weight: 600; }
.menu[open] .avatar, .menu > summary:hover .avatar { border-color: var(--ink-2); }
.menu-pop { position: absolute; right: 0; top: calc(100% + var(--s2)); z-index: 10; display: grid; gap: var(--s3); width: 248px; padding: var(--s3); background: var(--surface); border: 1px solid var(--line-2); border-radius: var(--r); box-shadow: 0 8px 24px -8px rgb(0 0 0 / 0.18); }
.menu-email { font-size: 14px; color: var(--ink-2); overflow-wrap: anywhere; }
.menu-links { display: none; }
.menu-links a { padding: var(--s1) 0; text-decoration: none; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: var(--s2); min-height: 40px; padding: 0 var(--s4); border: 1px solid transparent; border-radius: var(--r-sm); font-size: 15px; font-weight: 500; line-height: 1; text-decoration: none; white-space: nowrap; cursor: pointer; transition: background-color var(--ease), border-color var(--ease), color var(--ease); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn svg { width: 16px; height: 16px; }
.btn-primary { background: var(--primary); color: var(--primary-ink); }
.btn-primary:hover:not(:disabled) { background: var(--primary-hover); }
.btn-secondary { background: var(--surface); border-color: var(--line-2); color: var(--ink); }
.btn-secondary:hover:not(:disabled) { border-color: var(--ink-2); background: var(--subtle); }
.btn-quiet { min-height: 34px; padding: 0 10px; background: transparent; color: var(--ink-2); }
.btn-quiet:hover:not(:disabled) { background: var(--line); color: var(--ink); }
.btn-danger { background: var(--surface); border-color: var(--danger-line); color: var(--danger); }
.btn-danger:hover:not(:disabled) { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn-block { width: 100%; }
.i-done, .is-copied .i-copy { display: none; }
.is-copied { color: var(--ok); }
.is-copied .i-done { display: block; }
.btn-link { padding: 0; border: 0; background: none; color: var(--ink-2); font-size: 15px; text-decoration: underline; text-underline-offset: 3px; cursor: pointer; }
.btn-link:hover:not(:disabled) { color: var(--ink); }
.btn-link:disabled { text-decoration: none; cursor: default; }
label.btn:focus-within { outline: 2px solid var(--ink); outline-offset: 2px; }

/* Forms */
.stack { display: grid; gap: var(--s4); }
.field { display: grid; gap: var(--s2); }
.field > label { font-size: 15px; font-weight: 500; }
.input { width: 100%; min-height: 44px; padding: 0 var(--s3); background: var(--surface); border: 1px solid var(--line-2); border-radius: var(--r-sm); transition: border-color var(--ease), box-shadow var(--ease); }
.input:hover { border-color: var(--ink-2); }
.input:focus { outline: none; border-color: var(--ink); box-shadow: 0 0 0 3px var(--line); }
.hint { font-size: 14px; color: var(--ink-2); }
.code-input { max-width: 220px; font: 500 26px/1 var(--mono); letter-spacing: 0.3em; text-align: center; }
.row-form { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s2); }
.row-form > .input, .row-form > .affix { flex: 1 1 240px; width: auto; }
.affix { display: flex; flex-wrap: wrap; align-items: center; min-height: 44px; background: var(--surface); border: 1px solid var(--line-2); border-radius: var(--r-sm); transition: border-color var(--ease), box-shadow var(--ease); }
.affix:focus-within { border-color: var(--ink); box-shadow: 0 0 0 3px var(--line); }
.affix > .input { flex: 1 1 45%; min-width: 0; min-height: 42px; padding-right: 0; border: 0; background: transparent; box-shadow: none; }
.suffix { padding: var(--s1) var(--s3); color: var(--ink-2); white-space: nowrap; }

/* Notices: tinted, with an icon — no edge stripe */
.notice { display: flex; gap: 10px; align-items: flex-start; margin-bottom: var(--s5); padding: 11px 14px; background: var(--ok-soft); border: 1px solid var(--ok-line); border-radius: 10px; font-size: 15px; }
.notice::before { content: ""; flex: none; width: 18px; height: 18px; margin-top: 2px; background: var(--ok); -webkit-mask: var(--i-ok) center / contain no-repeat; mask: var(--i-ok) center / contain no-repeat; }
.notice-error { background: var(--danger-soft); border-color: var(--danger-line); }
.notice-error::before { background: var(--danger); -webkit-mask-image: var(--i-err); mask-image: var(--i-err); }

/* Sign-in and message pages */
.auth { max-width: 400px; margin: 0 auto; }
.auth h1 { margin-bottom: var(--s4); }
.auth h1 + .lead { margin-top: -8px; }
.auth .lead { margin-bottom: var(--s5); color: var(--ink-2); overflow-wrap: anywhere; }
.auth-split { display: grid; grid-template-columns: 1fr minmax(320px, 400px); gap: 64px; align-items: start; padding-top: var(--s5); }
.auth-split .auth { margin: 0; padding: var(--s6); border: 1px solid var(--line); border-radius: 16px; background: var(--surface); }
.pitch { padding-top: var(--s5); }
.pitch-title { font-size: 40px; line-height: 1.1; font-weight: 600; letter-spacing: -0.03em; text-wrap: balance; }
.pitch-sub { margin-top: var(--s4); font-size: 17px; color: var(--ink-2); max-width: 38ch; }
.demo { display: grid; justify-items: start; gap: 10px; margin-top: 40px; }
.demo-file, .demo-url { display: inline-flex; align-items: center; gap: 10px; padding: 10px 14px; border-radius: 10px; font-size: 14px; }
.demo-file { border: 1.5px dashed var(--line-2); background: var(--subtle); color: var(--ink-2); }
.demo-file b { color: var(--ink); font-weight: 600; }
.demo-arrow { width: 18px; height: 18px; margin-left: 22px; color: var(--ink-2); }
.demo-url { border: 1px solid var(--ok-line); background: var(--ok-soft); font-family: var(--mono); font-size: 13.5px; }
.demo-url::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--ok); }
.or { display: flex; align-items: center; gap: var(--s3); margin: var(--s5) 0; font-size: 14px; color: var(--ink-2); }
.or::before, .or::after { content: ""; flex: 1; border-top: 1px solid var(--line); }
.g-slot { min-height: 44px; }
.g-error { margin: var(--s3) 0 0; }
.auth-foot { display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--s3); margin-top: var(--s5); font-size: 15px; }
.auth-foot a { color: var(--ink-2); }
.eyebrow { margin-bottom: var(--s2); color: var(--ink-2); }

/* Reading column (privacy) */
.prose { max-width: 68ch; margin: 0 auto; overflow-wrap: anywhere; }
.prose h1 { margin-bottom: var(--s5); }
.prose h2 { margin: var(--s5) 0 var(--s2); }
.prose ul { display: grid; gap: var(--s2); padding-left: 1.25em; }
.prose footer { display: grid; gap: var(--s1); margin-top: var(--s6); padding-top: var(--s4); border-top: 1px solid var(--line); }

/* Page heads */
.page-head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: var(--s3) var(--s5); margin-bottom: var(--s5); }
.page-head > :first-child { display: grid; gap: 6px; min-width: 0; }
.head-actions { display: flex; flex-wrap: wrap; gap: var(--s2); }
.crumb { margin-bottom: var(--s3); font-size: 14px; }
.crumb a { color: var(--ink-2); text-decoration: none; }
.crumb a:hover { color: var(--ink); }
.site-url-line { font-family: var(--mono); font-size: 14px; color: var(--ink-2); text-decoration: none; overflow-wrap: anywhere; }
.site-url-line:hover { color: var(--ink); text-decoration: underline; }

/* Drop zone */
.drop { display: grid; place-items: center; min-height: 220px; padding: var(--s6) var(--s5); text-align: center; background: var(--subtle); border: 1.5px dashed var(--line-2); border-radius: var(--r); cursor: pointer; transition: border-color var(--ease), background-color var(--ease); }
.drop:hover { border-color: var(--ink-2); }
.drop.is-over { border-color: var(--ink); background: var(--brand-soft); }
.drop-compact { min-height: 168px; }
.drop-idle, .drop-busy { width: 100%; max-width: 520px; }
.drop-icon { display: block; width: 30px; height: 30px; margin: 0 auto var(--s3); color: var(--ink); }
.drop-title { font-size: 19px; font-weight: 600; letter-spacing: -0.01em; }
.drop-hint { max-width: 56ch; margin: 6px auto 0; font-size: 14px; color: var(--ink-2); text-wrap: balance; }
.drop-buttons { display: flex; flex-wrap: wrap; justify-content: center; gap: var(--s2); margin-top: 20px; }
.drop-error { margin-top: var(--s4); font-size: 15px; color: var(--danger); }
.drop-busy { cursor: default; }
.drop-status { font-size: 15px; font-variant-numeric: tabular-nums; }
.bar { height: 4px; margin: var(--s3) auto var(--s4); background: var(--line); border-radius: 2px; overflow: hidden; }
.bar > span { display: block; width: 0; height: 100%; background: var(--ink); transition: width 120ms linear; }

/* Lists: one bordered table, never a stack of cards */
.section-head { display: flex; align-items: baseline; gap: var(--s2); margin-top: 40px; }
.count { font-size: 14px; color: var(--ink-2); font-variant-numeric: tabular-nums; }
.list { margin-top: var(--s3); padding: 0; list-style: none; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; }
.list > li + li { border-top: 1px solid var(--line); }
.site-row { display: grid; grid-template-columns: minmax(0, 1fr) auto auto; align-items: center; gap: var(--s4); padding: 14px var(--s4); transition: background-color var(--ease); }
.site-row:hover { background: var(--subtle); }
.site-main { display: grid; gap: 2px; min-width: 0; }
.site-name { overflow: hidden; font-size: 15px; font-weight: 600; text-decoration: none; text-overflow: ellipsis; white-space: nowrap; }
.site-name:hover { text-decoration: underline; }
.site-url { overflow: hidden; font-family: var(--mono); font-size: 13px; color: var(--ink-2); text-decoration: none; text-overflow: ellipsis; white-space: nowrap; }
.site-url:hover { color: var(--ink); text-decoration: underline; }
.site-meta { font-size: 13px; color: var(--ink-2); font-variant-numeric: tabular-nums; white-space: nowrap; }
.site-actions { display: flex; gap: 2px; }
.empty { padding: 28px var(--s4); text-align: center; color: var(--ink-2); }
.entry { display: flex; align-items: center; justify-content: space-between; gap: var(--s3); min-height: 52px; padding: 6px var(--s4); }
.entry > .mono { overflow-wrap: anywhere; }

/* Panels */
.panel { margin-top: 40px; }
.panel > h2 { margin-bottom: var(--s2); }
.panel > .hint { margin-top: var(--s2); }
.panel-danger { padding: var(--s5); border: 1px solid var(--danger-line); border-radius: var(--r); }
.panel-danger > h2 { color: var(--danger); }
.panel-danger > .hint { margin: 0 0 var(--s3); }
.version { display: grid; grid-template-columns: 56px minmax(0, 1fr) auto; align-items: center; gap: var(--s4); padding: 12px var(--s4); }
.version-id { font-family: var(--mono); font-size: 14px; color: var(--ink-2); }
.version-main { display: grid; gap: 2px; min-width: 0; }
.version-meta { font-size: 13px; color: var(--ink-2); font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.tag { display: inline-flex; align-items: center; gap: 7px; font-size: 14px; font-weight: 500; color: var(--ok); }
.tag::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: currentColor; }

@media (max-width: 860px) {
  .auth-split { grid-template-columns: 1fr; gap: var(--s6); padding-top: 0; }
  .pitch { padding-top: 0; }
  .pitch-title { font-size: 30px; }
  .demo { display: none; }
  .auth-split .auth { padding: var(--s5); }
}

@media (max-width: 600px) {
  .wrap { padding-inline: var(--s4); }
  h1 { font-size: 24px; }
  .top-in { gap: var(--s3); }
  .top-nav { display: none; }
  .menu-links { display: grid; }
  /* Touch targets of at least 44 px */
  .btn { min-width: 44px; min-height: 44px; }
  .langs a { display: grid; place-items: center; min-height: 40px; }
  .menu-links a { display: flex; align-items: center; min-height: 44px; }
  .menu > summary { display: grid; place-items: center; min-width: 44px; min-height: 44px; }
  .row-form > .affix { flex-basis: 100%; }
  .suffix { font-size: 13px; }
  .drop { min-height: 0; padding: var(--s5) var(--s4); }
  .site-row { grid-template-columns: minmax(0, 1fr) auto; row-gap: 2px; }
  .site-row .site-meta { grid-row: 2; }
  .site-row .site-actions { grid-row: 1 / span 2; grid-column: 2; }
  .site-actions .btn > span { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
  .version { grid-template-columns: 40px minmax(0, 1fr); }
  .version > :last-child { grid-column: 2; justify-self: start; }
  .auth-split .auth { padding: var(--s4); border: 0; }
  .panel-danger { padding: var(--s4); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; }
}