:root {
  --ink: #17201b;
  --muted: #69736d;
  --line: #dfe5df;
  --surface: #ffffff;
  --canvas: #edf1ec;
  --soft: #f4f6f1;
  --green: #159b67;
  --green-dark: #0d7650;
  --green-soft: #e4f4ec;
  --coral: #f06b50;
  --coral-soft: #fff0eb;
  --blue: #4b82e8;
  --blue-soft: #ebf1ff;
  --yellow: #d99d27;
  --yellow-soft: #fff7dc;
  --shadow: 0 24px 70px rgba(26, 38, 30, 0.16);
}

* { box-sizing: border-box; }

html, body { margin: 0; min-height: 100%; }

body {
  background: var(--canvas);
  color: var(--ink);
  font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  letter-spacing: 0;
}

button, input { font: inherit; letter-spacing: 0; }
button { color: inherit; }
a { color: inherit; }

.mobile-view-switch { display: none; }

.prototype-shell {
  display: grid;
  grid-template-columns: minmax(220px, 290px) minmax(430px, 1fr) minmax(240px, 320px);
  min-height: 100vh;
}

.story-panel, .insight-panel { padding: 44px 34px; }
.story-panel { border-right: 1px solid rgba(23, 32, 27, 0.09); }
.insight-panel { border-left: 1px solid rgba(23, 32, 27, 0.09); }

.brand-lockup { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  background: var(--ink);
  color: #fff;
  font-size: 19px;
  font-weight: 800;
}
.brand-mark.small { width: 38px; height: 38px; font-size: 17px; flex: 0 0 auto; }
.brand-lockup div { display: flex; flex-direction: column; gap: 3px; }
.brand-lockup strong { font-size: 17px; }
.brand-lockup span { color: var(--muted); font-size: 11px; }
.project-views { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; margin-top: 24px; padding: 4px; border: 1px solid rgba(23,32,27,.1); border-radius: 7px; }
.project-views a { padding: 8px 5px; border-radius: 5px; color: var(--muted); font-size: 10px; text-align: center; text-decoration: none; }
.project-views a.active { background: var(--surface); color: var(--ink); font-weight: 800; box-shadow: 0 3px 10px rgba(32,48,38,.06); }
.story-intro { margin: 28px 0 30px; color: var(--muted); font-size: 14px; line-height: 1.7; }
.story-steps { display: grid; gap: 4px; }
.story-step {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 11px 12px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: #5f6b64;
  text-align: left;
  cursor: pointer;
}
.story-step span { font-size: 10px; color: #98a19b; }
.story-step:hover { background: rgba(255, 255, 255, 0.58); }
.story-step.active { background: var(--surface); color: var(--ink); font-weight: 700; box-shadow: 0 5px 16px rgba(32, 48, 38, 0.06); }
.story-step.active span { color: var(--green); }
.story-footnote { margin-top: 30px; color: #89928c; font-size: 11px; }

.prototype-stage { display: grid; place-items: center; min-height: 100vh; padding: 38px 24px; }
.phone-frame {
  position: relative;
  width: 406px;
  height: 860px;
  padding: 10px;
  border: 1px solid #222a25;
  border-radius: 38px;
  background: #202722;
  box-shadow: var(--shadow);
}
.phone-speaker { position: absolute; z-index: 50; top: 17px; left: 50%; width: 76px; height: 22px; border-radius: 14px; background: #202722; transform: translateX(-50%); }
.phone-viewport { position: relative; width: 100%; height: 100%; overflow: hidden; border-radius: 29px; background: var(--soft); }
.status-bar { position: absolute; z-index: 40; top: 0; left: 0; display: flex; justify-content: space-between; width: 100%; height: 31px; padding: 9px 21px 0; color: var(--ink); font-size: 10px; font-weight: 800; pointer-events: none; }
.screen { position: absolute; inset: 0; display: none; padding-top: 31px; background: var(--soft); }
.screen.active { display: flex; flex-direction: column; }

.chat-screen { background: #ededed; }
.chat-header, .app-bar { display: grid; grid-template-columns: 48px 1fr 58px; align-items: center; height: 52px; padding: 0 7px; border-bottom: 1px solid rgba(0,0,0,0.06); }
.chat-header { background: #ededed; }
.chat-header > div { display: flex; flex-direction: column; align-items: center; min-width: 0; }
.chat-header strong { max-width: 100%; overflow: hidden; font-size: 15px; text-overflow: ellipsis; white-space: nowrap; }
.chat-header span { margin-top: 2px; color: #7c837f; font-size: 9px; }
.icon-button, .text-button { border: 0; background: transparent; cursor: pointer; }
.icon-button { width: 40px; height: 40px; padding: 0; font-size: 31px; line-height: 1; }
.text-button { color: var(--green-dark); font-size: 11px; font-weight: 700; }
.chat-body { flex: 1; overflow: auto; padding: 11px 14px; }
.chat-time { margin: 2px 0 15px; color: #a0a6a2; font-size: 10px; text-align: center; }
.message-row { display: flex; align-items: flex-start; gap: 8px; margin-bottom: 14px; }
.message-row.self { justify-content: flex-end; }
.message-row.compact { margin-top: 15px; }
.message-row > div { max-width: 74%; }
.sender { display: block; margin-bottom: 3px; color: #7e8581; font-size: 9px; }
.bubble { margin: 0; padding: 9px 11px; border-radius: 5px; background: #fff; font-size: 12px; line-height: 1.5; box-shadow: 0 1px 1px rgba(0,0,0,.05); }
.self .bubble { background: #95ec69; }
.avatar { display: inline-grid; place-items: center; width: 34px; height: 34px; flex: 0 0 auto; border-radius: 7px; color: #fff; font-size: 12px; font-style: normal; font-weight: 800; }
.avatar-green { background: var(--green); }
.avatar-blue { background: var(--blue); }
.avatar-coral { background: var(--coral); }
.avatar-yellow { background: var(--yellow); }
.mini-card { display: block; width: 268px; margin: 3px 0 16px 42px; padding: 17px; border: 0; border-radius: 7px; background: #fff; text-align: left; box-shadow: 0 2px 5px rgba(0,0,0,.08); cursor: pointer; }
.mini-card-kicker { color: var(--green-dark); font-size: 9px; font-weight: 800; }
.mini-card > strong { display: block; margin: 8px 0 17px; font-size: 18px; line-height: 1.4; }
.mini-card-meta { display: flex; align-items: center; gap: 7px; padding-top: 10px; border-top: 1px solid var(--line); color: #7f8882; font-size: 9px; }
.mini-logo { display: inline-grid; place-items: center; width: 20px; height: 20px; border-radius: 4px; background: var(--ink); color: #fff; font-size: 9px; font-style: normal; }
.chat-composer { display: grid; grid-template-columns: 42px 1fr 42px; align-items: center; gap: 6px; height: 58px; padding: 6px 8px 12px; border-top: 1px solid #d7d7d7; background: #f7f7f7; }
.chat-composer button { border: 0; background: transparent; font-size: 23px; }
.chat-composer div { height: 34px; border-radius: 5px; background: #fff; }

.app-screen { background: var(--soft); }
.app-bar { flex: 0 0 auto; background: rgba(244,246,241,.96); }
.app-bar > strong { text-align: center; font-size: 14px; }
.screen-scroll { flex: 1; min-height: 0; overflow-y: auto; padding: 15px 18px 108px; scrollbar-width: none; }
.screen-scroll::-webkit-scrollbar { display: none; }
.bottom-action { position: absolute; z-index: 20; bottom: 0; left: 0; display: flex; width: 100%; padding: 14px 18px 20px; border-top: 1px solid rgba(23,32,27,.07); background: rgba(255,255,255,.96); }
.primary-button, .secondary-button { min-height: 48px; border-radius: 7px; font-weight: 800; cursor: pointer; }
.primary-button { flex: 1; border: 1px solid var(--ink); background: var(--ink); color: #fff; }
.primary-button.approved { border-color: var(--green); background: var(--green); }
.secondary-button { flex: 1; border: 1px solid var(--line); background: #fff; }
.bottom-action.split { gap: 8px; }
.bottom-action.split .secondary-button { flex: .8; }
.eyebrow { color: var(--green-dark); font-size: 10px; font-weight: 800; }
.support-copy { margin: 9px 0; color: var(--muted); font-size: 12px; line-height: 1.6; }

.trip-cover { position: relative; overflow: hidden; width: 100%; aspect-ratio: 16 / 9; border-radius: 7px; background: #d8ded8; }
.trip-cover img { width: 100%; height: 100%; object-fit: cover; }
.cover-caption { position: absolute; inset: auto 0 0; padding: 10px 13px 11px; background: rgba(0,0,0,.72); color: #fff; }
.cover-caption span { display: block; font-size: 9px; }
.cover-caption strong { display: block; margin-top: 3px; font-size: 17px; }
.section-head { display: flex; align-items: center; justify-content: space-between; margin: 23px 2px 12px; }
.section-head h1 { margin: 4px 0 0; font-size: 21px; }
.progress-ring { display: grid; place-items: center; width: 48px; height: 48px; border: 5px solid var(--green-soft); border-top-color: var(--green); border-right-color: var(--green); border-radius: 50%; color: var(--green-dark); font-size: 10px; font-weight: 800; }
.member-list { border-top: 1px solid var(--line); }
.member-row { display: grid; grid-template-columns: 35px 1fr auto; align-items: center; gap: 9px; padding: 11px 0; border-bottom: 1px solid var(--line); }
.member-row .avatar { width: 32px; height: 32px; }
.member-row div { display: flex; flex-direction: column; gap: 2px; }
.member-row strong { font-size: 12px; }
.member-row div span { color: var(--muted); font-size: 9px; }
.member-row b { font-size: 9px; }
.status-done { color: var(--green-dark); }
.status-wait { color: var(--coral); }
.privacy-note { margin: 14px 0 0; padding-left: 19px; color: var(--muted); font-size: 10px; line-height: 1.5; }

.opinion-content h1 { max-width: 300px; margin: 9px 0 0; font-size: 25px; line-height: 1.3; }
.step-count { color: #8e9791; font-size: 10px; }
.voice-orb { display: flex; flex-direction: column; align-items: center; justify-content: center; width: 176px; height: 176px; margin: 29px auto 20px; border: 0; border-radius: 50%; background: var(--ink); color: #fff; cursor: pointer; box-shadow: 0 13px 30px rgba(23,32,27,.18); }
.voice-orb.recording { background: var(--coral); }
.voice-orb strong { margin-top: 12px; font-size: 12px; }
.voice-orb small { margin-top: 5px; color: rgba(255,255,255,.66); font-size: 9px; }
.voice-bars { display: flex; align-items: center; gap: 4px; height: 28px; }
.voice-bars i { width: 3px; height: 12px; border-radius: 2px; background: #fff; }
.voice-bars i:nth-child(2), .voice-bars i:nth-child(4) { height: 22px; }
.voice-bars i:nth-child(3) { height: 28px; }
.recording .voice-bars i { animation: pulse .7s ease-in-out infinite alternate; }
.recording .voice-bars i:nth-child(2) { animation-delay: .15s; }
.recording .voice-bars i:nth-child(3) { animation-delay: .3s; }
@keyframes pulse { to { height: 6px; } }
.transcript { display: none; padding: 12px; border-left: 3px solid var(--green); background: #fff; }
.transcript.visible { display: block; }
.transcript span, .quick-picks > span, .hard-line > span { color: var(--muted); font-size: 9px; }
.transcript p { margin: 5px 0 0; font-size: 11px; line-height: 1.6; }
.quick-picks { margin-top: 19px; }
.quick-picks > div { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 9px; }
.pick { padding: 7px 10px; border: 1px solid var(--line); border-radius: 6px; background: #fff; font-size: 10px; cursor: pointer; }
.pick.selected { border-color: var(--green); background: var(--green-soft); color: var(--green-dark); }
.hard-line { display: flex; align-items: center; justify-content: space-between; margin-top: 22px; padding-top: 13px; border-top: 1px solid var(--line); }
.hard-line button { border: 0; background: transparent; color: var(--coral); font-size: 10px; }

.ai-summary { display: flex; align-items: center; gap: 11px; margin: 4px 0 22px; }
.ai-summary div { display: flex; flex-direction: column; }
.ai-summary span { color: var(--muted); font-size: 9px; }
.ai-summary h1 { margin: 4px 0 0; font-size: 22px; }
.consensus-band { margin: 0 -18px; padding: 18px; background: var(--green-soft); }
.consensus-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 11px; }
.consensus-tags span { padding: 7px 10px; border: 1px solid rgba(13,118,80,.2); border-radius: 6px; background: rgba(255,255,255,.65); color: var(--green-dark); font-size: 10px; font-weight: 700; }
.analysis-section { padding: 19px 0; border-bottom: 1px solid var(--line); }
.analysis-section.no-border { border: 0; }
.analysis-title { display: flex; align-items: flex-start; gap: 9px; }
.analysis-title div { display: flex; flex-direction: column; gap: 3px; }
.analysis-title strong { font-size: 13px; }
.analysis-title span { color: var(--muted); font-size: 9px; }
.dot { display: inline-block; width: 8px; height: 8px; flex: 0 0 auto; margin-top: 4px; border-radius: 50%; }
.dot.coral { background: var(--coral); }
.dot.blue { background: var(--blue); }
.dot.green { background: var(--green); }
.dot.yellow { background: var(--yellow); }
.conflict-row { display: grid; grid-template-columns: 42px 1fr auto; align-items: center; gap: 8px; padding: 14px 0 2px; }
.conflict-row + .conflict-row { border-top: 1px dashed var(--line); margin-top: 9px; }
.conflict-row b { font-size: 11px; }
.conflict-row div { display: flex; flex-direction: column; gap: 3px; color: var(--muted); font-size: 9px; }
.conflict-row em { padding: 4px 6px; border-radius: 4px; background: var(--coral-soft); color: var(--coral); font-size: 8px; font-style: normal; }
.principle-copy { margin: 12px 0 0 17px; color: #4d5a52; font-size: 11px; line-height: 1.7; }

.plans-content { padding-left: 14px; padding-right: 14px; }
.page-lead { margin: 2px 4px 14px; color: var(--muted); font-size: 11px; line-height: 1.6; }
.plan-tabs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px; padding: 4px; border: 1px solid var(--line); border-radius: 7px; background: #fff; }
.plan-tab { height: 34px; border: 0; border-radius: 5px; background: transparent; color: var(--muted); font-size: 10px; cursor: pointer; }
.plan-tab.active { background: var(--ink); color: #fff; font-weight: 800; }
.plan-hero { margin: 12px 0; padding: 17px; border: 1px solid var(--line); border-radius: 7px; background: #fff; }
.plan-label { display: flex; justify-content: space-between; color: var(--green-dark); font-size: 9px; font-weight: 800; }
.plan-hero h1 { margin: 9px 0 5px; font-size: 23px; }
.plan-hero > p { min-height: 48px; margin: 0; color: var(--muted); font-size: 10px; line-height: 1.6; }
.plan-metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 5px; margin-top: 14px; padding-top: 13px; border-top: 1px solid var(--line); }
.plan-metrics div { display: flex; flex-direction: column; gap: 4px; }
.plan-metrics span { color: var(--muted); font-size: 8px; }
.plan-metrics strong { font-size: 11px; }
.timeline { padding: 5px 5px 0; }
.timeline > div { display: grid; grid-template-columns: 34px 10px 1fr; gap: 7px; min-height: 58px; }
.timeline > div > span { color: var(--muted); font-size: 9px; }
.timeline i { position: relative; width: 7px; height: 7px; margin-top: 3px; border: 2px solid var(--green); border-radius: 50%; }
.timeline i::after { position: absolute; top: 7px; left: 1px; width: 1px; height: 43px; background: var(--line); content: ""; }
.timeline > div:last-child i::after { display: none; }
.timeline p { display: flex; flex-direction: column; gap: 4px; margin: 0; }
.timeline strong { font-size: 11px; }
.timeline small { color: var(--muted); font-size: 9px; }
.explain-button { display: flex; align-items: center; justify-content: space-between; width: 100%; padding: 12px; border: 0; border-radius: 6px; background: var(--blue-soft); color: #2f559d; font-size: 10px; font-weight: 700; }
.explain-button span { font-weight: 500; }

.vote-head { padding: 10px 0 17px; text-align: center; }
.vote-head h1 { margin: 6px 0 3px; font-size: 23px; }
.vote-head p { margin: 0; color: var(--muted); font-size: 10px; }
.vote-members { border-top: 1px solid var(--line); }
.vote-members > div { display: grid; grid-template-columns: 35px 1fr 28px; align-items: center; gap: 9px; padding: 11px 0; border-bottom: 1px solid var(--line); }
.vote-members .avatar { width: 32px; height: 32px; }
.vote-members p { display: flex; flex-direction: column; gap: 3px; margin: 0; }
.vote-members p strong { font-size: 11px; }
.vote-members p span { color: var(--muted); font-size: 9px; }
.vote-members b { display: grid; place-items: center; width: 24px; height: 24px; border-radius: 50%; font-size: 10px; }
.vote-yes { background: var(--green); color: #fff; }
.vote-ok { background: var(--yellow-soft); color: var(--yellow); }
.vote-pending { background: #e5e9e6; color: #87908a; }
.my-vote { margin-top: 19px; }
.my-vote > span { color: var(--muted); font-size: 9px; }
.my-vote > div { display: grid; grid-template-columns: repeat(3, 1fr); gap: 7px; margin-top: 8px; }
.vote-choice { height: 40px; border: 1px solid var(--line); border-radius: 6px; background: #fff; font-size: 11px; cursor: pointer; }
.vote-choice.selected { border-color: var(--green); background: var(--green-soft); color: var(--green-dark); font-weight: 800; }
.fairness-note { margin-top: 21px; padding: 13px; border-left: 3px solid var(--blue); background: var(--blue-soft); }
.fairness-note strong { color: #2f559d; font-size: 10px; }
.fairness-note p { margin: 4px 0 0; color: #536a95; font-size: 9px; line-height: 1.5; }

.locked-content { text-align: center; }
.decision-stamp { display: grid; place-items: center; width: 64px; height: 64px; margin: 20px auto 14px; border: 1px solid rgba(21,155,103,.25); border-radius: 50%; background: var(--green-soft); }
.decision-stamp span { display: grid; place-items: center; width: 37px; height: 37px; border-radius: 50%; background: var(--green); color: #fff; font-size: 20px; }
.locked-content > h1 { margin: 7px 0; font-size: 27px; }
.locked-content > p { max-width: 310px; margin: 0 auto 20px; color: var(--muted); font-size: 10px; line-height: 1.6; }
.locked-plan { display: grid; grid-template-columns: 62px 1fr; overflow: hidden; border: 1px solid var(--line); border-radius: 7px; background: #fff; text-align: left; }
.locked-plan > div { display: flex; flex-direction: column; align-items: center; justify-content: center; background: var(--ink); color: #fff; }
.locked-plan > div span { font-size: 8px; }
.locked-plan > div strong { margin-top: 3px; font-size: 17px; line-height: 1.05; text-align: center; }
.locked-plan section { padding: 15px; }
.locked-plan section span { color: var(--green-dark); font-size: 9px; font-weight: 800; }
.locked-plan h2 { margin: 5px 0 4px; font-size: 17px; }
.locked-plan p { margin: 0; color: var(--muted); font-size: 9px; }
.confirmation-row { display: flex; align-items: center; justify-content: center; margin: 17px 0; }
.confirmation-row .avatar { width: 30px; height: 30px; margin-left: -6px; border: 2px solid var(--soft); font-size: 10px; }
.confirmation-row .avatar:first-child { margin-left: 0; }
.confirmation-row strong { margin-left: 9px; font-size: 10px; }
.next-actions { display: grid; gap: 8px; text-align: left; }
.next-actions button { display: flex; align-items: center; justify-content: space-between; padding: 13px; border: 1px solid var(--line); border-radius: 6px; background: #fff; }
.next-actions strong { font-size: 11px; }
.next-actions span { color: var(--muted); font-size: 9px; }
.demo-action { position: absolute; bottom: 0; left: 0; display: flex; align-items: center; justify-content: space-between; width: 100%; padding: 13px 17px 19px; border-top: 1px solid rgba(23,32,27,.08); background: #fff7dc; }
.demo-action span { color: #8c681d; font-size: 9px; font-weight: 800; }
.demo-action button { border: 0; background: transparent; color: #705011; font-size: 10px; font-weight: 800; cursor: pointer; }

.emergency-content h1 { margin: 7px 0 0; font-size: 25px; }
.incident-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 21px; }
.incident { display: grid; grid-template-columns: 34px 1fr; grid-template-rows: 20px 17px; align-items: center; padding: 12px; border: 1px solid var(--line); border-radius: 7px; background: #fff; text-align: left; cursor: pointer; }
.incident > span { grid-row: 1 / 3; display: grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; background: #edf0ee; font-size: 10px; font-weight: 800; }
.incident strong { font-size: 10px; }
.incident small { color: var(--muted); font-size: 8px; }
.incident.active { border-color: var(--blue); background: var(--blue-soft); }
.incident.active > span { background: var(--blue); color: #fff; }
.incident-detail { margin-top: 18px; padding: 15px; border-left: 3px solid var(--blue); background: #fff; }
.incident-detail strong { display: block; font-size: 12px; }
.incident-detail span { display: block; margin-top: 4px; color: var(--blue); font-size: 9px; font-weight: 700; }
.incident-detail p { margin: 10px 0 0; color: var(--muted); font-size: 10px; line-height: 1.6; }

.change-alert { padding: 13px; border-radius: 7px; background: var(--green-soft); text-align: center; }
.change-alert span { color: var(--green-dark); font-size: 8px; font-weight: 800; }
.change-alert strong { display: block; margin-top: 3px; font-size: 11px; }
.change-alert p { margin: 4px 0 0; color: var(--muted); font-size: 8px; }
.planb-content > h1 { margin: 20px 0 13px; font-size: 22px; text-align: center; }
.change-map { display: grid; grid-template-columns: 1fr 20px 1fr; align-items: center; gap: 5px; }
.change-map > div { min-height: 100px; padding: 12px; border-radius: 7px; }
.change-map div span { font-size: 8px; font-weight: 800; }
.change-map div strong { display: block; margin: 8px 0; font-size: 11px; line-height: 1.4; }
.change-map div small { color: var(--muted); font-size: 8px; line-height: 1.4; }
.change-map > i { color: var(--muted); font-style: normal; text-align: center; transform: rotate(-90deg); }
.removed { background: #eff1ef; color: #6f7872; }
.removed strong { text-decoration: line-through; }
.added { background: var(--blue-soft); color: #2f559d; }
.impact-list { margin-top: 18px; padding-top: 15px; border-top: 1px solid var(--line); text-align: left; }
.impact-list h2 { margin: 0 0 10px; font-size: 13px; }
.impact-list p { display: grid; grid-template-columns: 10px 32px 1fr; gap: 4px; align-items: start; margin: 8px 0; color: var(--muted); font-size: 9px; line-height: 1.4; }
.impact-list .dot { margin-top: 2px; }
.impact-list strong { color: var(--ink); }
.reconfirm { margin-top: 17px; padding: 12px; border: 1px solid var(--line); border-radius: 7px; background: #fff; text-align: left; }
.reconfirm > span { color: var(--muted); font-size: 9px; }
.reconfirm > div { display: flex; align-items: center; margin-top: 8px; }
.reconfirm .avatar { width: 26px; height: 26px; margin-right: 4px; font-size: 9px; }
.reconfirm b { margin-left: auto; color: var(--coral); font-size: 9px; }

.insight-panel { display: flex; flex-direction: column; justify-content: center; }
.insight-label { color: var(--green-dark); font-size: 10px; font-weight: 800; text-transform: uppercase; }
.insight-panel h2 { margin: 12px 0 11px; font-size: clamp(20px, 2vw, 28px); line-height: 1.3; }
.insight-panel > p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.75; }
.signal-box { margin-top: 28px; padding: 15px 0; border-top: 1px solid rgba(23,32,27,.12); border-bottom: 1px solid rgba(23,32,27,.12); }
.signal-box span, .prototype-keys span { display: block; margin-bottom: 6px; color: #909a93; font-size: 9px; }
.signal-box strong { font-size: 12px; line-height: 1.5; }
.prototype-keys { margin-top: 24px; }
.prototype-keys p { margin: 0; color: var(--muted); font-size: 11px; line-height: 1.6; }

@media (max-width: 1050px) {
  .prototype-shell { grid-template-columns: 210px 1fr; }
  .insight-panel { display: none; }
}

@media (max-width: 700px) {
  body { background: var(--soft); }
  .prototype-shell { display: block; min-height: 100dvh; }
  .mobile-view-switch { display: grid; grid-template-columns: 1fr 1fr; height: 44px; padding: 5px; border-bottom: 1px solid var(--line); background: #fff; }
  .mobile-view-switch a { display: grid; place-items: center; border-radius: 5px; color: var(--muted); font-size: 11px; font-weight: 700; text-decoration: none; }
  .mobile-view-switch a.active { background: var(--ink); color: #fff; }
  .story-panel, .insight-panel { display: none; }
  .prototype-stage { display: block; min-height: calc(100dvh - 44px); padding: 0; }
  .phone-frame { width: 100vw; height: calc(100dvh - 44px); padding: 0; border: 0; border-radius: 0; background: transparent; box-shadow: none; }
  .phone-speaker { display: none; }
  .phone-viewport { border-radius: 0; }
}

@media (max-height: 800px) and (min-width: 701px) {
  .prototype-stage { padding: 20px; }
  .phone-frame { transform: scale(.86); }
}