/* ---------------------------------------------------------------------------
   Landing page + sign-in screens.

   Loaded AFTER styles.css, which brings the IBM Plex faces and the RedFox
   palette (--accent, --ink, --panel …). styles.css pins the editor shell to the
   viewport; a document page scrolls, so that is undone at the top here — the
   same trick privacy-policy.html already uses.
--------------------------------------------------------------------------- */

html, body { height: auto; }
body { overflow: auto; background: var(--bg); font-size: var(--fs-md); }

.wrap { max-width: 1140px; margin: 0 auto; padding: 0 24px; }

a { color: inherit; }

/* ------------------------------------------------------------------ nav -- */

.site-nav {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--panel) 88%, transparent);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.site-nav .wrap {
  display: flex; align-items: center; gap: 10px;
  height: 64px;
}
.site-nav .mark { display: block; line-height: 0; margin-right: 8px; }
.site-nav .mark img { height: 34px; width: auto; display: block; }
.site-nav .mark .dark  { display: none; }
:root[data-theme="dark"] .site-nav .mark .light { display: none; }
:root[data-theme="dark"] .site-nav .mark .dark  { display: block; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .site-nav .mark .light { display: none; }
  :root:not([data-theme="light"]) .site-nav .mark .dark  { display: block; }
}

.nav-links { display: flex; align-items: center; gap: 4px; margin-left: 6px; }
.nav-links a {
  padding: 7px 11px; border-radius: var(--r-sm);
  font-size: var(--fs-sm); font-weight: 500; color: var(--ink-soft);
  text-decoration: none;
}
.nav-links a:hover { background: var(--panel-2); color: var(--ink); }
.nav-spacer { flex: 1; }

.nav-actions { display: flex; align-items: center; gap: 8px; }

.sbtn {
  display: inline-flex; align-items: center; gap: 7px;
  height: 34px; padding: 0 14px;
  border: 1px solid var(--line); border-radius: var(--r);
  background: var(--panel); color: var(--ink);
  font: 500 var(--fs-sm)/1 var(--sans); text-decoration: none;
  cursor: pointer; white-space: nowrap;
  transition: border-color .12s, background .12s, transform .06s;
}
.sbtn:hover { border-color: var(--accent); color: var(--accent); }
.sbtn:active { transform: translateY(1px); }
.sbtn.primary {
  background: var(--accent); border-color: var(--accent); color: var(--accent-ink);
}
.sbtn.primary:hover { color: var(--accent-ink); filter: brightness(1.06); }
.sbtn.ghost { background: transparent; border-color: transparent; }
.sbtn.ghost:hover { background: var(--panel-2); }
.sbtn.big { height: 42px; padding: 0 20px; font-size: var(--fs-md); }
.sbtn.block { width: 100%; justify-content: center; }
.sbtn svg { width: 16px; height: 16px; flex: none; }

.nav-user { display: flex; align-items: center; gap: 9px; }
.nav-user .chip {
  display: grid; place-items: center;
  width: 30px; height: 30px; border-radius: 50%;
  background: var(--accent); color: var(--accent-ink);
  font: 600 11px/1 var(--sans); letter-spacing: .04em;
  overflow: hidden;
}
.nav-user .chip img { width: 100%; height: 100%; object-fit: cover; }
.nav-user .who { display: flex; flex-direction: column; line-height: 1.25; }
.nav-user .who b { font-size: var(--fs-sm); font-weight: 600; }
.nav-user .who small { font-size: var(--fs-xs); color: var(--muted); }

/* ----------------------------------------------------------------- hero -- */

.hero { padding: 72px 0 44px; }
.hero .eyebrow {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 5px 11px; margin-bottom: 18px;
  border: 1px solid var(--line); border-radius: 999px;
  background: var(--panel);
  font-size: var(--fs-xs); font-weight: 600; letter-spacing: .07em;
  text-transform: uppercase; color: var(--label);
}
.hero .eyebrow .dot {
  width: 6px; height: 6px; border-radius: 50%; background: var(--accent);
}
.hero h1 {
  margin: 0 0 16px; max-width: 17ch;
  font: 600 clamp(34px, 5.2vw, 54px)/1.08 var(--serif);
  letter-spacing: -.02em; color: var(--ink);
}
.hero h1 em { font-style: normal; color: var(--accent); }
.hero .lede {
  margin: 0 0 26px; max-width: 62ch;
  font-size: 17px; line-height: 1.6; color: var(--ink-soft);
}
.hero-cta { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.hero-cta .note { font-size: var(--fs-sm); color: var(--muted); }

.stats { display: flex; flex-wrap: wrap; gap: 34px; margin-top: 42px; }
.stats div { display: flex; flex-direction: column; gap: 2px; }
.stats b {
  font: 600 27px/1 var(--sans); color: var(--ink); letter-spacing: -.01em;
  font-variant-numeric: tabular-nums;
}
.stats span {
  font-size: var(--fs-xs); font-weight: 600; letter-spacing: .09em;
  text-transform: uppercase; color: var(--muted);
}

/* ------------------------------------------------------------- sections -- */

.section { padding: 46px 0; }
.section-head { margin-bottom: 22px; }
.section-head h2 {
  margin: 0 0 6px;
  font: 600 26px/1.2 var(--serif); letter-spacing: -.015em; color: var(--ink);
}
.section-head p { margin: 0; max-width: 66ch; color: var(--muted); font-size: var(--fs-sm); }

/* --------------------------------------------------------- category cards -- */

.cards {
  display: grid; gap: 16px;
  grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
}
.card {
  display: flex; flex-direction: column;
  background: var(--panel); border: 1px solid var(--line); border-radius: 12px;
  padding: 18px 18px 16px;
  text-decoration: none; color: inherit;
  transition: border-color .14s, box-shadow .14s, transform .14s;
}
.card:hover {
  border-color: var(--accent); box-shadow: var(--shadow);
  transform: translateY(-2px);
}
.card-top { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 13px; }
.card h3 {
  margin: 0; flex: 1;
  font: 600 var(--fs-lg)/1.25 var(--sans); letter-spacing: -.01em; color: var(--ink);
}
.badge {
  flex: none; padding: 3px 8px; border-radius: 999px;
  background: var(--label-wash); color: var(--label);
  font-size: var(--fs-xs); font-weight: 600; letter-spacing: .05em; text-transform: uppercase;
}

.card-preview {
  display: flex; gap: 8px; margin-bottom: 13px;
  padding: 12px; border-radius: 9px;
  background: var(--sunken); border: 1px solid var(--line-soft);
  min-height: 74px; align-items: center;
}
.card-preview img {
  width: 46px; height: 46px; object-fit: contain; flex: none;
  /* Many source icons are black line art; nudge them off pure black in the
     dark theme so they do not disappear into the tile. */
}
:root[data-theme="dark"] .card-preview { background: #f4f5f8; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .card-preview { background: #f4f5f8; }
}
.card-preview.empty { color: var(--faint); font-size: var(--fs-sm); justify-content: center; }

.chips { display: flex; flex-wrap: wrap; gap: 5px; margin-bottom: 14px; }
.chip-cat {
  padding: 3px 9px; border-radius: 999px;
  border: 1px solid var(--line-soft); background: var(--panel-2);
  font-size: var(--fs-xs); color: var(--ink-soft); white-space: nowrap;
}
.chip-cat.more { border-style: dashed; color: var(--muted); }

.card-foot {
  display: flex; align-items: center; gap: 10px;
  margin-top: auto; padding-top: 12px; border-top: 1px solid var(--line-soft);
  font-size: var(--fs-sm); color: var(--muted);
}
.card-foot b { color: var(--ink); font-weight: 600; font-variant-numeric: tabular-nums; }
.card-foot .go { margin-left: auto; color: var(--accent); font-weight: 600; }

/* ---------------------------------------------------------------- about -- */

.about { display: grid; grid-template-columns: 1.15fr .85fr; gap: 34px; align-items: start; }
.about p { margin: 0 0 13px; line-height: 1.72; color: var(--ink-soft); font-size: var(--fs-md); }
.about-side {
  background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 20px;
}
.about-side h3 {
  margin: 0 0 12px; font-size: var(--fs-xs); font-weight: 700;
  letter-spacing: .09em; text-transform: uppercase; color: var(--label);
}
.about-side ul { margin: 0; padding: 0; list-style: none; }
.about-side li {
  display: flex; gap: 9px; padding: 8px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: var(--fs-sm); color: var(--ink-soft); line-height: 1.55;
}
.about-side li:last-child { border-bottom: 0; }
.about-side li svg { width: 15px; height: 15px; flex: none; margin-top: 3px; color: var(--accent); }
@media (max-width: 820px) { .about { grid-template-columns: 1fr; } }

/* --------------------------------------------------------------- footer -- */

.site-foot {
  margin-top: 30px; padding: 26px 0 40px;
  border-top: 1px solid var(--line);
  font-size: var(--fs-sm); color: var(--muted);
}
.site-foot .wrap { display: flex; flex-wrap: wrap; gap: 8px 18px; align-items: center; }
.site-foot a { color: var(--muted); text-decoration: none; }
.site-foot a:hover { color: var(--accent); }
.site-foot .sp { flex: 1; }

/* ------------------------------------------------------------ auth pages -- */

.auth-page { min-height: 100dvh; display: flex; flex-direction: column; }
.auth-main {
  flex: 1; display: grid; place-items: center; padding: 40px 20px 60px;
}
.auth-card {
  width: 100%; max-width: 428px;
  background: var(--panel); border: 1px solid var(--line);
  border-radius: 14px; box-shadow: var(--shadow);
  padding: 28px;
}
.auth-card h1 {
  margin: 0 0 6px; font: 600 24px/1.2 var(--serif);
  letter-spacing: -.015em; color: var(--ink);
}
.auth-card .sub { margin: 0 0 20px; font-size: var(--fs-sm); color: var(--muted); line-height: 1.6; }

.tabs-auth {
  display: grid; grid-template-columns: 1fr 1fr; gap: 4px;
  padding: 4px; margin-bottom: 20px;
  background: var(--sunken); border-radius: var(--r);
}
.tabs-auth a {
  padding: 8px; border-radius: var(--r-sm); text-align: center;
  font-size: var(--fs-sm); font-weight: 600; color: var(--muted); text-decoration: none;
}
.tabs-auth a.on { background: var(--panel); color: var(--ink); box-shadow: var(--shadow-sm); }

.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.field > label {
  font-size: var(--fs-xs); font-weight: 700; letter-spacing: .09em;
  text-transform: uppercase; color: var(--label);
}
.field input {
  height: 40px; padding: 0 12px;
  background: var(--panel-2); color: var(--ink);
  border: 1px solid var(--line); border-radius: var(--r);
  font: 400 var(--fs-md)/1 var(--sans);
}
.field input:focus { outline: none; border-color: var(--accent); background: var(--panel); }
.field input[aria-invalid="true"] { border-color: var(--danger); }
.field .help { font-size: var(--fs-xs); color: var(--muted); }
.field-row { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; }
.field-row a { font-size: var(--fs-xs); color: var(--accent); text-decoration: none; }
.field-row a:hover { text-decoration: underline; }

.pw-wrap { position: relative; display: flex; }
.pw-wrap input { flex: 1; padding-right: 62px; }
.pw-toggle {
  position: absolute; right: 6px; top: 50%; transform: translateY(-50%);
  border: 0; background: transparent; color: var(--muted);
  font: 600 var(--fs-xs)/1 var(--sans); letter-spacing: .06em; text-transform: uppercase;
  padding: 6px 7px; border-radius: var(--r-sm); cursor: pointer;
}
.pw-toggle:hover { color: var(--accent); background: var(--panel-2); }

.check { display: flex; align-items: center; gap: 8px; margin: 4px 0 18px; font-size: var(--fs-sm); color: var(--ink-soft); }
.check input { width: 15px; height: 15px; accent-color: var(--accent); }

.msg {
  display: flex; gap: 9px; align-items: flex-start;
  padding: 11px 13px; margin-bottom: 18px; border-radius: var(--r);
  font-size: var(--fs-sm); line-height: 1.55;
}
.msg svg { width: 15px; height: 15px; flex: none; margin-top: 2px; }
.msg.error { background: var(--accent-wash); color: var(--danger); border: 1px solid color-mix(in srgb, var(--danger) 28%, transparent); }
.msg.ok    { background: color-mix(in srgb, #14804a 11%, var(--panel)); color: #14804a;
             border: 1px solid color-mix(in srgb, #14804a 30%, transparent); }
.msg.info  { background: var(--panel-2); color: var(--ink-soft); border: 1px solid var(--line); }
.msg b { display: block; margin-bottom: 2px; color: inherit; }
.msg code {
  display: block; margin-top: 6px; padding: 8px; border-radius: var(--r-sm);
  background: var(--sunken); color: var(--ink); font: 400 var(--fs-xs)/1.5 var(--mono);
  word-break: break-all;
}

.or {
  display: flex; align-items: center; gap: 12px;
  margin: 18px 0; color: var(--faint);
  font-size: var(--fs-xs); font-weight: 600; letter-spacing: .1em; text-transform: uppercase;
}
.or::before, .or::after { content: ""; flex: 1; height: 1px; background: var(--line); }

.google-btn {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  width: 100%; height: 42px;
  background: #fff; color: #1f1f1f;
  border: 1px solid #dadce0; border-radius: var(--r);
  font: 500 var(--fs-md)/1 var(--sans); text-decoration: none; cursor: pointer;
}
.google-btn:hover { background: #f7f8f8; border-color: #c9cdd2; }
.google-btn svg { width: 18px; height: 18px; }
.google-btn[aria-disabled="true"] { opacity: .55; cursor: not-allowed; }

.auth-foot { margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--line-soft);
  font-size: var(--fs-sm); color: var(--muted); text-align: center; }
.auth-foot a { color: var(--accent); text-decoration: none; }
.auth-foot a:hover { text-decoration: underline; }

.auth-top {
  display: flex; align-items: center; gap: 12px;
  padding: 16px 24px; border-bottom: 1px solid var(--line); background: var(--panel);
}
.auth-top .mark img { height: 30px; width: auto; display: block; }
.auth-top .back { margin-left: auto; font-size: var(--fs-sm); color: var(--muted); text-decoration: none; }
.auth-top .back:hover { color: var(--accent); }

@media (max-width: 640px) {
  .site-nav .wrap { height: 56px; }
  .nav-links { display: none; }
  .hero { padding: 46px 0 32px; }
  .stats { gap: 22px; }
  .auth-card { padding: 22px; }
}