body.guide-collaboration-google {
  --max: 1240px;
  --google-blue: #1a73e8;
  --google-red: #ea4335;
  --google-yellow: #fbbc04;
  --google-green: #34a853;
}

body.guide-collaboration-google .wrap {
  padding-top: 28px;
  padding-bottom: 58px;
}

body.guide-collaboration-google .brand img {
  width: min(360px, 100%);
}

body.guide-collaboration-google .hero {
  background:
    linear-gradient(135deg, rgba(255,255,255,.97), rgba(255,255,255,.84)),
    radial-gradient(circle at 88% 20%, rgba(26,115,232,.15), transparent 29%),
    radial-gradient(circle at 80% 82%, rgba(52,168,83,.12), transparent 28%),
    radial-gradient(circle at 54% 100%, rgba(251,188,4,.11), transparent 28%);
}

body.guide-collaboration-google .hero::before {
  content: "";
  position: absolute;
  inset: -135px auto auto -105px;
  width: 315px;
  height: 315px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(234,67,53,.10), transparent 69%);
  pointer-events: none;
}

body.guide-collaboration-google .hero-grid {
  grid-template-columns: minmax(0, 1.12fr) minmax(340px, .88fr);
  align-items: center;
}

body.guide-collaboration-google h1 {
  max-width: 12ch;
  font-size: clamp(2.65rem, 5vw, 4.9rem);
}

body.guide-collaboration-google .lead {
  max-width: 68ch;
}

.collab-hero-card {
  min-height: 370px;
  padding: 24px;
  display: grid;
  place-items: center;
  align-content: center;
  border: 1px solid var(--line);
  border-radius: 27px;
  background:
    radial-gradient(circle at 20% 18%, rgba(26,115,232,.10), transparent 29%),
    radial-gradient(circle at 82% 82%, rgba(52,168,83,.11), transparent 29%),
    linear-gradient(155deg, #fff, #f7f9fc);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.collab-hero-card > p {
  max-width: 37ch;
  margin: 20px 0 0;
  text-align: center;
  color: var(--muted);
  font-size: .94rem;
}

.collab-cycle {
  position: relative;
  width: 290px;
  height: 245px;
}

.cycle-center {
  position: absolute;
  left: 50%;
  top: 50%;
  translate: -50% -50%;
  width: 112px;
  height: 112px;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 7px;
  border-radius: 999px;
  background: linear-gradient(145deg, #111827, #27354a);
  color: #fff;
  box-shadow: 0 16px 34px rgba(15,23,42,.20);
}

.cycle-center .icon {
  width: 30px;
  height: 30px;
}

.cycle-center strong {
  color: #fff;
  font-size: .9rem;
}

.cycle-step {
  position: absolute;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 11px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: 0 8px 20px rgba(15,23,42,.08);
  font-size: .82rem;
  font-weight: 800;
  white-space: nowrap;
}

.cycle-step .icon {
  width: 17px;
  height: 17px;
}

.step-a { left: 3px; top: 16px; color: #b47f00; }
.step-b { right: 2px; top: 10px; color: var(--google-blue); }
.step-c { right: 0; top: 101px; color: var(--google-green); }
.step-d { right: 31px; bottom: 5px; color: #7650b8; }
.step-e { left: 8px; bottom: 19px; color: #b5372d; }

.benefit-grid .card {
  min-height: 188px;
}

body.guide-collaboration-google .quick-start {
  margin-top: 24px;
}

body.guide-collaboration-google .todo {
  grid-template-columns: 26px minmax(0, 1fr) auto;
}

body.guide-collaboration-google .version-note {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 13px;
  align-items: start;
  padding: 16px;
  border: 1px solid #d8e4f5;
  border-radius: 18px;
  background: linear-gradient(135deg, #f4f8ff, #fff);
}

body.guide-collaboration-google .version-note > .icon {
  width: 22px;
  height: 22px;
  margin: 2px auto 0;
  color: var(--google-blue);
}

body.guide-collaboration-google .version-note p {
  margin: 0;
  color: #40506a;
  font-size: .92rem;
}

body.guide-collaboration-google .panel {
  scroll-margin-top: 130px;
}

body.guide-collaboration-google .panel-head h2 {
  max-width: none;
}

body.guide-collaboration-google .steps .step {
  grid-template-columns: 1fr;
}

body.guide-collaboration-google .steps .step::before {
  content: none;
}

body.guide-collaboration-google .steps .step h4 {
  margin: 0 0 4px;
}

.class-example,
.challenge-card {
  border-radius: 22px;
  padding: 20px;
}

.class-example {
  border: 1px solid #cde7d7;
  background: linear-gradient(145deg, #f1fff7, #fff);
}

.class-example h3 {
  margin: 8px 0;
}

.class-example p {
  margin: 0;
  color: #456157;
}

.example-label {
  display: inline-flex;
  padding: 5px 9px;
  border-radius: 999px;
  background: #dff7e8;
  color: #17633a;
  font-size: .76rem;
  font-weight: 850;
  text-transform: uppercase;
  letter-spacing: .06em;
}

.challenge-card {
  border: 1px solid #ffdaa9;
  background: linear-gradient(145deg, #fff7ed, #fff);
}

.challenge-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.challenge-top span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #8a4a10;
  font-weight: 850;
}

.challenge-top strong {
  font-size: .92rem;
}

.challenge-card ol {
  margin: 14px 0 0;
  padding-left: 1.2rem;
  color: #6b4b29;
}

.challenge-card li + li {
  margin-top: 7px;
}

.do-dont {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.do-card,
.dont-card {
  padding: 17px;
  border-radius: 18px;
}

.do-card {
  border: 1px solid #bee8ce;
  background: #f0fff6;
}

.dont-card {
  border: 1px solid #f4c9c9;
  background: #fff5f5;
}

.do-card strong { color: #166534; }
.dont-card strong { color: #a52a2a; }

.do-card p,
.dont-card p {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: .92rem;
}

.permission-grid {
  display: grid;
  gap: 12px;
}

.permission-grid article {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 13px;
  align-items: start;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #fff;
}

.permission-grid article > .icon {
  width: 23px;
  height: 23px;
  margin: 4px auto 0;
  color: var(--google-blue);
}

.permission-grid h3 {
  margin: 0 0 3px;
  font-size: 1rem;
}

.permission-grid p {
  margin: 0;
  color: var(--muted);
  font-size: .92rem;
}

.collab-modes,
.security-grid {
  display: grid;
  gap: 12px;
}

.collab-modes {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.collab-modes article,
.security-grid article {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #fff;
}

.collab-modes span,
.security-grid span {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  margin-bottom: 9px;
  border-radius: 12px;
  background: var(--primary);
  color: #fff;
  font-weight: 900;
}

.collab-modes h3,
.security-grid h3 {
  margin: 0 0 4px;
  font-size: 1rem;
}

.collab-modes p,
.security-grid p {
  margin: 0;
  color: var(--muted);
  font-size: .9rem;
}

.shortcut-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.shortcut {
  display: flex;
  align-items: center;
  gap: 11px;
  min-height: 62px;
  padding: 11px 13px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #fff;
}

.shortcut kbd {
  padding: 5px 8px;
  border: 1px solid #d8dde6;
  border-radius: 8px;
  background: #f4f6f9;
  box-shadow: 0 2px 0 #d8dde6;
  font-size: .78rem;
  font-weight: 850;
  white-space: nowrap;
}

.shortcut span {
  color: var(--muted);
  font-size: .84rem;
  line-height: 1.35;
}

.project-flow {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 9px;
}

.project-flow article {
  padding: 14px 10px;
  text-align: center;
  border: 1px solid var(--line);
  border-radius: 17px;
  background: #fff;
}

.project-flow span {
  display: grid;
  place-items: center;
  width: 31px;
  height: 31px;
  margin: 0 auto 7px;
  border-radius: 11px;
  background: var(--google-blue);
  color: #fff;
  font-weight: 900;
}

.project-flow strong,
.project-flow small {
  display: block;
}

.project-flow small {
  margin-top: 3px;
  color: var(--muted);
  line-height: 1.3;
}

.decision-record {
  padding: 18px;
  border: 1px solid #d8e4f5;
  border-radius: 20px;
  background: linear-gradient(135deg, #f5f8ff, #fff);
}

.decision-record h3 {
  margin: 0 0 12px;
  font-size: 1.05rem;
}

.decision-record > div {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 7px;
}

.decision-record span {
  padding: 8px 7px;
  border-radius: 10px;
  background: #fff;
  border: 1px solid var(--line);
  text-align: center;
  font-size: .82rem;
  font-weight: 800;
}

.decision-record p {
  margin: 11px 0 0;
  color: var(--muted);
  font-size: .9rem;
}

.channel-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.channel-grid article {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #fff;
}

.channel-grid article > .icon {
  width: 23px;
  height: 23px;
  color: var(--google-blue);
}

.channel-grid h3 {
  margin: 8px 0 4px;
  font-size: 1rem;
}

.channel-grid p {
  margin: 0;
  color: var(--muted);
  font-size: .9rem;
}

.publication-warning {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 13px;
  align-items: start;
  padding: 17px;
  border: 1px solid #f0c8aa;
  border-radius: 19px;
  background: linear-gradient(135deg, #fff6ed, #fff);
}

.publication-warning > .icon {
  width: 23px;
  height: 23px;
  margin: 2px auto 0;
  color: #b45309;
}

.publication-warning strong {
  display: block;
  color: #7c3d08;
}

.publication-warning p {
  margin: 5px 0 0;
  color: #76502d;
  font-size: .92rem;
}

.security-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.team-charter {
  padding: 21px;
  border-radius: 22px;
  background: linear-gradient(145deg, #111827, #263244);
  color: #fff;
  box-shadow: 0 14px 32px rgba(15,23,42,.15);
}

.team-charter h3 {
  margin: 0 0 15px;
  color: #fff;
  font-size: 1.15rem;
}

.team-charter ol {
  display: grid;
  gap: 10px;
  margin: 0;
  padding-left: 1.2rem;
}

.team-charter li {
  padding-left: 4px;
}

.team-charter strong,
.team-charter span {
  display: block;
}

.team-charter strong {
  color: #fff;
}

.team-charter span {
  color: rgba(255,255,255,.72);
  font-size: .9rem;
}

.admin-checks {
  padding: 18px;
  border: 1px solid #dfd4f6;
  border-radius: 20px;
  background: linear-gradient(145deg, #f7f3ff, #fff);
}

.admin-checks h3 {
  margin: 0 0 11px;
  font-size: 1.05rem;
}

.admin-checks ul {
  margin: 0;
  padding-left: 1.15rem;
  color: var(--muted);
}

.admin-checks li + li {
  margin-top: 7px;
}

.compact-footer {
  margin-top: 24px;
  padding: 16px 20px;
}

.compact-footer-inner {
  display: flex;
  align-items: center;
  gap: 12px 18px;
  flex-wrap: wrap;
}

.compact-footer-inner > strong {
  font-size: .96rem;
}

.compact-footer-inner > span {
  color: var(--muted);
  font-size: .88rem;
}

.compact-footer-inner nav {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-left: auto;
}

.compact-footer-inner a {
  font-size: .86rem;
  font-weight: 750;
}

@media (max-width: 1080px) {
  .project-flow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  body.guide-collaboration-google .hero-grid {
    grid-template-columns: 1fr;
  }

  .collab-hero-card {
    min-height: 330px;
  }

  .collab-modes {
    grid-template-columns: 1fr;
  }

  .project-flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 680px) {
  body.guide-collaboration-google .wrap {
    padding-top: 16px;
    padding-bottom: 42px;
  }

  body.guide-collaboration-google .topbar,
  body.guide-collaboration-google .hero-grid {
    padding-left: 20px;
    padding-right: 20px;
  }

  body.guide-collaboration-google h1 {
    font-size: clamp(2.35rem, 12vw, 3.55rem);
  }

  .collab-hero-card {
    min-height: 310px;
    padding: 17px;
  }

  .collab-cycle {
    scale: .89;
  }

  body.guide-collaboration-google .todo {
    grid-template-columns: 24px minmax(0, 1fr);
  }

  body.guide-collaboration-google .todo .tag {
    grid-column: 2;
    justify-self: start;
  }

  .do-dont,
  .shortcut-grid,
  .channel-grid,
  .security-grid,
  .project-flow {
    grid-template-columns: 1fr;
  }

  .decision-record > div {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .compact-footer-inner {
    align-items: flex-start;
  }

  .compact-footer-inner nav {
    width: 100%;
    margin-left: 0;
  }
}

@media print {
  body.guide-collaboration-google .panel {
    display: block !important;
  }

  .collab-hero-card {
    min-height: 280px;
  }

  .compact-footer {
    padding: 10px 14px;
  }
}