:root {
  color: #191816;
  background: #f3ebdd;
  font-family: Arial, Helvetica, sans-serif;
  font-synthesis: none;
  --paper: #f3ebdd;
  --paper-light: #fffaf1;
  --ink: #191816;
  --signal: #ff5a36;
  --muted: #cec1ae;
  --quiet: #6d665c;
  --ease: cubic-bezier(.2,.8,.2,1);
}

* { box-sizing: border-box; }
html, body { margin: 0; min-width: 320px; background: var(--paper); overflow-x: hidden; }
a { color: inherit; }
a:focus-visible, button:focus-visible { outline: 3px solid var(--signal); outline-offset: 3px; }

.wordmark { display: inline-block; font-family: Arial Black, Arial, sans-serif; font-size: 31px; font-weight: 950; letter-spacing: -.08em; text-decoration: none; }
.kicker { margin: 18px 0 0; font-size: 10px; font-weight: 950; letter-spacing: .14em; text-transform: uppercase; }

.signin-shell { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(28px, 5vw, 72px); align-items: center; width: min(100% - 40px, 1140px); margin: 0 auto; padding: clamp(14px, 2.4svh, 30px) 0 clamp(16px, 3svh, 36px); }

.signin-premise h1 { margin: clamp(6px, 1svh, 10px) 0 0; font-family: Arial Black, Arial, sans-serif; font-size: clamp(28px, min(4.2vw, 6.2svh), 54px); line-height: .9; letter-spacing: -.065em; text-transform: lowercase; }
.signin-values { margin: clamp(10px, 1.8svh, 18px) 0 0; max-width: 560px; color: var(--quiet); font-size: 11px; font-weight: 800; line-height: 1.55; }
.signin-guest { margin: clamp(6px, 1svh, 10px) 0 0; max-width: 560px; font-size: 11px; font-weight: 800; line-height: 1.55; }

/* The premise, dramatized: a group thread that cannot decide anything. */
.chat-mock { margin-top: clamp(12px, 2.2svh, 22px); width: min(100%, 480px); border: 3px solid var(--ink); background: var(--paper-light); box-shadow: 7px 7px 0 var(--ink); }
.chat-mock__bar { display: flex; align-items: center; gap: 8px; padding: clamp(6px, 1.1svh, 10px) 14px; border-bottom: 2px solid var(--ink); font-size: 10px; font-weight: 950; letter-spacing: .07em; text-transform: lowercase; }
.chat-mock__bar span { width: 9px; height: 9px; border-radius: 50%; background: var(--signal); }
.chat-thread { display: grid; gap: clamp(6px, 1.1svh, 10px); margin: 0; padding: clamp(10px, 1.6svh, 15px) 14px clamp(12px, 1.8svh, 17px); list-style: none; align-content: start; }
.msg { position: relative; max-width: 78%; padding: clamp(6px, 1svh, 9px) 12px clamp(7px, 1.1svh, 10px); border-radius: 14px 14px 14px 4px; background: #e9dfcd; font-size: clamp(11px, 1.55svh, 12.5px); font-weight: 700; line-height: 1.32; }
.msg small { display: block; margin-bottom: 2px; color: var(--quiet); font-size: 8px; font-weight: 950; letter-spacing: .1em; text-transform: uppercase; }
.msg p { margin: 0; }
.msg--out { justify-self: end; border-radius: 14px 14px 4px 14px; background: var(--muted); }
.msg--typing { display: inline-flex; gap: 4px; align-items: center; min-height: 30px; padding: 9px 14px; }
.msg--typing span { width: 6px; height: 6px; border-radius: 50%; background: var(--quiet); animation: typing-bounce 1s infinite; }
.msg--typing span:nth-child(2) { animation-delay: .15s; }
.msg--typing span:nth-child(3) { animation-delay: .3s; }
.msg--agenduh { max-width: 88%; border: 2px solid var(--ink); border-radius: 4px; background: var(--signal); box-shadow: 4px 4px 0 var(--ink); font-weight: 900; }
.msg--agenduh small { color: var(--ink); }

/* Static by default (reduced motion / no JS); .is-playing runs the timeline. */
.chat-mock:not(.is-playing) .msg--typing { display: none; }
.is-playing .msg { opacity: 0; transform: translateY(10px); animation: msg-in .5s var(--ease) both; animation-delay: calc(var(--i) * 1.45s + .4s); }
.is-playing .msg--typing { opacity: 0; transform: none; animation: typing-window 2.4s var(--ease) both; animation-delay: 9.1s; }
.is-playing .msg--agenduh { animation-name: agenduh-in; animation-duration: .6s; animation-delay: 11.6s; }

@keyframes msg-in { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
@keyframes typing-window { 0% { opacity: 0; } 12% { opacity: 1; } 82% { opacity: 1; } 100% { opacity: 0; } }
@keyframes agenduh-in { from { opacity: 0; transform: translateY(12px) scale(.97); } to { opacity: 1; transform: translateY(0) scale(1); } }
@keyframes typing-bounce { 0%, 60%, 100% { transform: translateY(0); } 30% { transform: translateY(-4px); } }

.signin-card { padding: clamp(18px, 2.8svh, 26px) clamp(18px, 3vw, 32px) clamp(20px, 3svh, 30px); border: 3px solid var(--ink); background: var(--paper-light); box-shadow: 8px 8px 0 var(--ink); }
.signin-card .kicker { margin-top: 0; color: var(--quiet); }
.signin-card h2 { margin: 10px 0 0; font-family: Arial Black, Arial, sans-serif; font-size: clamp(26px, 3.4vw, 40px); line-height: .92; letter-spacing: -.055em; text-transform: lowercase; }
.signin-card__deck { margin: 12px 0 0; color: var(--quiet); font-size: 12px; font-weight: 750; line-height: 1.55; }

.draft-chip { display: grid; gap: 3px; margin: 18px 0 0; padding: 11px 13px; border: 2px solid var(--ink); background: var(--signal); font-size: 11px; line-height: 1.45; }
.draft-chip[hidden] { display: none; }
.draft-chip strong { font-size: 11px; font-weight: 950; text-transform: lowercase; }
.draft-chip span { font-weight: 750; }
.draft-chip em { color: rgba(25,24,22,.75); font-size: 9px; font-style: normal; font-weight: 850; text-transform: uppercase; letter-spacing: .06em; }

.google-cta { display: flex; align-items: center; gap: 12px; margin-top: 20px; min-height: 58px; padding: 13px 18px; border: 2px solid var(--ink); background: var(--paper-light); box-shadow: 5px 5px 0 var(--ink); text-decoration: none; font-size: 14px; font-weight: 950; text-transform: lowercase; transition: transform 140ms var(--ease), box-shadow 140ms var(--ease), background 140ms var(--ease); }
.google-cta span:last-child { margin-left: auto; }
.google-cta:hover { transform: translate(-2px, -2px); background: var(--paper); box-shadow: 7px 7px 0 var(--ink); }

.signin-divider { display: flex; align-items: center; gap: 10px; margin: 18px 0 13px; color: var(--quiet); font-size: 9px; font-weight: 900; text-transform: uppercase; }
.signin-divider::before,.signin-divider::after { content: ""; height: 1px; flex: 1; background: var(--muted); }
.magic-form { display: grid; gap: 7px; }
.magic-form label { color: var(--quiet); font-size: 10px; font-weight: 900; }
.magic-form > div { display: flex; gap: 7px; }
.magic-form input { min-width: 0; flex: 1; min-height: 48px; padding: 10px 12px; border: 2px solid var(--ink); background: var(--paper); color: var(--ink); font: inherit; font-size: 12px; }
.magic-form button { min-height: 48px; padding: 0 13px; border: 2px solid var(--ink); background: var(--signal); color: var(--ink); cursor: pointer; font: inherit; font-size: 10px; font-weight: 950; }
.magic-form button:disabled { cursor: wait; opacity: .55; }
.magic-form small,.magic-form [role="status"] { margin: 0; color: var(--quiet); font-size: 9px; font-weight: 750; line-height: 1.4; }
.magic-form [role="status"] { padding: 9px 10px; background: #eadfcd; color: var(--ink); }
.magic-form [hidden] { display: none; }

.demo-access { margin-top: 18px; border-top: 1px solid var(--muted); padding-top: 14px; }
.demo-access summary { cursor: pointer; color: var(--quiet); font-size: 10px; font-weight: 950; letter-spacing: .08em; text-transform: uppercase; }
.demo-access form { display: grid; gap: 7px; margin-top: 11px; }
.demo-access label { color: var(--quiet); font-size: 10px; font-weight: 900; text-transform: lowercase; }
.demo-code-row { display: flex; gap: 7px; }
.demo-code-row input { min-width: 0; flex: 1; border: 2px solid var(--ink); background: var(--paper); padding: 11px; color: var(--ink); font: inherit; font-size: 12px; }
.demo-code-row button { border: 2px solid var(--ink); background: var(--signal); padding: 0 12px; color: var(--ink); cursor: pointer; font: inherit; font-size: 11px; font-weight: 950; }
.demo-code-row button:disabled { cursor: wait; opacity: .55; }
.demo-access small { color: var(--quiet); font-size: 9px; font-weight: 700; line-height: 1.45; }
.demo-access [role="alert"] { margin: 0; color: #a42e20; font-size: 10px; font-weight: 850; }

.signin-fineprint { margin: 20px 0 0; padding: 0; list-style: none; display: grid; gap: 8px; color: var(--quiet); font-size: 10px; font-weight: 750; line-height: 1.5; }
.signin-fineprint a { font-weight: 900; text-underline-offset: 3px; }

/* Desktop: a login page never scrolls. */
@media (min-width: 921px) {
  html, body { height: 100%; overflow: hidden; }
  .signin-shell { height: 100svh; min-height: 480px; overflow: hidden; }
}

@media (min-width: 921px) and (max-height: 720px) {
  .wordmark { font-size: 24px; }
  .kicker { margin-top: 8px; }
  .signin-values { display: none; }
}

@media (max-width: 920px) {
  .signin-shell { grid-template-columns: 1fr; gap: 24px; padding-top: 18px; align-items: start; }
  .signin-premise h1 { font-size: clamp(30px, 8.4vw, 42px); }
  .chat-mock { width: 100%; margin-top: 18px; box-shadow: 5px 5px 0 var(--ink); }
  .chat-thread { min-height: 0; gap: 8px; padding: 12px 11px 14px; }
  .msg { max-width: 88%; padding: 7px 10px 8px; font-size: 11.5px; }
  .signin-values, .signin-guest { font-size: 10px; }
  .signin-card { position: static; margin-top: 2px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  .is-playing .msg { opacity: 1; transform: none; }
}