:root {
  --bg: #f4f6f4;
  --panel: #ffffff;
  --ink: #17201c;
  --muted: #66726c;
  --line: #dfe5e1;
  --accent: #0d6754;
  --accent-dark: #084a3c;
  --accent-soft: #e5f2ed;
  --warning: #9a6400;
  --warning-soft: #fff5d8;
  --danger: #a5362b;
  --danger-soft: #fff0ee;
  --shadow: 0 18px 45px rgba(26, 42, 34, .08);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.is-hidden { display: none !important; }
.setup-screen { min-height: 100vh; display: grid; place-items: center; padding: 28px 18px; background: radial-gradient(circle at top right, #e5f2ed 0, transparent 35%), var(--bg); }
.setup-card { width: min(860px, 100%); background: var(--panel); border: 1px solid var(--line); border-radius: 24px; padding: clamp(24px, 5vw, 48px); box-shadow: var(--shadow); }
.setup-topline { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 16px; }
.setup-topline .eyebrow { margin: 0; }
.setup-language { flex: 0 0 auto; }
.setup-card h1 { margin: 0; max-width: 760px; font-size: clamp(2rem, 5vw, 3.35rem); line-height: 1.04; letter-spacing: -.04em; }
.setup-lead { margin: 18px 0 0; max-width: 730px; color: var(--muted); font-size: 1.04rem; line-height: 1.6; }
.setup-feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 12px; margin: 28px 0; }
.setup-feature { min-width: 0; border: 1px solid var(--line); border-radius: 14px; padding: 15px; background: #fbfcfb; }
.setup-feature strong { display: block; margin-bottom: 6px; }
.setup-feature span { display: block; color: var(--muted); font-size: .88rem; line-height: 1.45; }
.setup-form { display: grid; gap: 9px; padding-top: 22px; border-top: 1px solid var(--line); }
.setup-form > label { font-weight: 800; font-size: 1rem; }
.setup-form input { width: 100%; min-height: 54px; border: 1px solid #b9c6bf; border-radius: 12px; padding: 12px 14px; color: var(--ink); background: #fff; font-size: 16px; outline: none; }
.setup-form input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.setup-note { margin: 0; color: var(--muted); font-size: .8rem; line-height: 1.45; }
.setup-start { margin-top: 8px; width: fit-content; min-height: 48px; padding-inline: 20px; }
#guestHotelName { max-width: 280px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; text-transform: uppercase; }

* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: .55; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.app-shell { max-width: 1450px; margin: 0 auto; padding: 26px 28px 48px; }
.topbar { display: flex; justify-content: space-between; gap: 24px; align-items: flex-start; }
.topbar h1, .systems-heading h2, .phone-header h2, .demo-guide h2 { margin: 0; letter-spacing: -.025em; }
.topbar h1 { font-size: clamp(1.75rem, 4vw, 2.55rem); }
.subtitle, .systems-heading p, .demo-guide > p { color: var(--muted); max-width: 720px; }
.eyebrow { margin: 0 0 7px; color: var(--accent); font-size: .72rem; font-weight: 800; letter-spacing: .13em; }
.topbar-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; justify-content: flex-end; }
.badge, .revision-label { display: inline-flex; align-items: center; min-height: 34px; padding: 6px 11px; border-radius: 999px; background: var(--accent-soft); color: var(--accent-dark); font-size: .8rem; font-weight: 700; }
.button { border: 1px solid transparent; border-radius: 10px; min-height: 42px; padding: 9px 14px; font-weight: 700; transition: .15s ease; }
.button.primary { background: var(--accent); color: #fff; }
.button.primary:hover { background: var(--accent-dark); }
.button.ghost { background: var(--panel); color: var(--ink); border-color: var(--line); }
.button.danger { background: var(--danger-soft); color: var(--danger); border-color: #f2c7c1; }
.button.small { min-height: 34px; padding: 6px 10px; font-size: .83rem; }
.primary-tabs, .system-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin: 26px 0 22px; }
.tab, .system-tab { border: 1px solid var(--line); background: rgba(255,255,255,.72); color: var(--muted); padding: 10px 14px; border-radius: 999px; font-weight: 750; }
.tab.active, .system-tab.active { color: #fff; background: var(--accent); border-color: var(--accent); }
.view { display: none; }
.view.active { display: block; }
.guest-layout { display: grid; grid-template-columns: minmax(0, 470px) minmax(320px, 1fr); gap: 34px; align-items: start; }
.phone-panel { background: var(--panel); border: 1px solid var(--line); border-radius: 28px; min-height: 720px; max-height: 820px; display: flex; flex-direction: column; box-shadow: var(--shadow); overflow: hidden; }
.phone-header { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 22px 22px 10px; }
.phone-header h2 { font-size: 1.35rem; }
.status-dot { width: 11px; height: 11px; background: #2d9d6b; border-radius: 50%; box-shadow: 0 0 0 5px #e6f5ec; }
.guest-summary { margin: 8px 22px 12px; padding: 12px 14px; border-radius: 14px; background: var(--accent-soft); display: flex; justify-content: space-between; gap: 10px; flex-wrap: wrap; font-size: .88rem; }
.chat-messages { flex: 1; overflow-y: auto; padding: 10px 18px 14px; display: flex; flex-direction: column; gap: 10px; scroll-behavior: smooth; }
.message { max-width: 86%; padding: 11px 13px; border-radius: 16px; line-height: 1.45; white-space: pre-wrap; }
.message.assistant { align-self: flex-start; background: #f0f3f1; border-bottom-left-radius: 5px; }
.message.user { align-self: flex-end; background: var(--accent); color: #fff; border-bottom-right-radius: 5px; }
.message.system { align-self: center; max-width: 94%; font-size: .8rem; color: var(--muted); background: transparent; text-align: center; }
.quick-prompts { padding: 0 16px 10px; display: flex; gap: 7px; overflow-x: auto; }
.quick-prompt { white-space: nowrap; border: 1px solid var(--line); background: #fff; border-radius: 999px; padding: 8px 10px; color: var(--accent-dark); font-size: .78rem; }
.chat-form { border-top: 1px solid var(--line); padding: 13px; display: grid; grid-template-columns: 1fr auto; gap: 9px; align-items: end; }
.chat-form textarea { resize: none; width: 100%; min-height: 46px; border: 1px solid var(--line); border-radius: 12px; padding: 11px; outline: none; }
.chat-form textarea:focus, input:focus, select:focus, textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(13,103,84,.12); outline: none; }
.demo-guide { padding: 28px 4px; }
.demo-guide h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); }
.guide-steps { display: grid; gap: 12px; margin-top: 24px; }
.demo-card { width: 100%; display: flex; text-align: left; gap: 13px; border: 1px solid var(--line); border-radius: 16px; background: var(--panel); padding: 16px; color: var(--ink); }
.demo-card > span { display: grid; place-items: center; flex: 0 0 34px; height: 34px; border-radius: 50%; background: var(--accent-soft); color: var(--accent-dark); font-weight: 800; }
.demo-card strong, .demo-card small { display: block; }
.demo-card small { color: var(--muted); margin-top: 4px; line-height: 1.35; }
.systems-heading { display: flex; justify-content: space-between; gap: 24px; align-items: flex-end; }
.systems-heading h2 { font-size: 2rem; }
.system-panel-grid { display: grid; grid-template-columns: minmax(250px, .72fr) minmax(0, 1.55fr); gap: 18px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 17px; padding: 18px; }
.card h3, .card h4 { margin: 0 0 12px; }
.card-subtitle { color: var(--muted); font-size: .86rem; margin: -6px 0 14px; }
.entity-list { display: grid; gap: 8px; }
.entity-button { width: 100%; text-align: left; border: 1px solid var(--line); background: #fff; border-radius: 12px; padding: 11px 12px; color: var(--ink); }
.entity-button.active { border-color: var(--accent); background: var(--accent-soft); }
.entity-button small { display: block; color: var(--muted); margin-top: 3px; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 12px; }
.field { display: grid; gap: 6px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: .78rem; font-weight: 750; color: var(--muted); }
.field input, .field select, .field textarea { width: 100%; border: 1px solid var(--line); border-radius: 10px; padding: 9px 10px; min-height: 40px; background: #fff; color: var(--ink); }
.row-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.data-table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 12px; }
table { width: 100%; border-collapse: collapse; font-size: .87rem; }
th, td { text-align: left; padding: 10px 11px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-size: .74rem; letter-spacing: .035em; text-transform: uppercase; background: #fafbfa; }
tr:last-child td { border-bottom: 0; }
.mono { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: .82rem; }
.pill { display: inline-flex; align-items: center; padding: 4px 8px; border-radius: 999px; font-size: .72rem; font-weight: 750; background: #eef1ef; }
.pill.good { color: #176443; background: #e6f4ed; }
.pill.warn { color: var(--warning); background: var(--warning-soft); }
.pill.bad { color: var(--danger); background: var(--danger-soft); }
.slot-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(145px, 1fr)); gap: 10px; }
.slot-card { border: 1px solid var(--line); border-radius: 12px; padding: 12px; }
.slot-card strong { display: block; font-size: 1.05rem; }
.slot-card small { color: var(--muted); }
.slot-controls { display: flex; align-items: center; gap: 6px; margin-top: 9px; }
.slot-controls input { width: 72px; border: 1px solid var(--line); border-radius: 8px; padding: 7px; }
.source-note { color: var(--muted); font-size: .75rem; margin-top: 12px; }
.drop-zone { border: 2px dashed #b9c6bf; border-radius: 16px; padding: 24px; text-align: center; background: #fbfcfb; }
.drop-zone input { margin-top: 12px; max-width: 100%; }
.menu-preview { max-width: 260px; max-height: 220px; object-fit: contain; border-radius: 10px; margin: 14px auto 0; display: none; }
.menu-editor input { min-width: 100px; width: 100%; border: 1px solid var(--line); border-radius: 7px; padding: 6px; }
.menu-editor .description-input { min-width: 220px; }
.activity-grid { display: grid; gap: 12px; }
.activity-card { display: grid; grid-template-columns: 1.2fr .75fr .7fr .7fr .75fr auto; gap: 10px; align-items: end; border: 1px solid var(--line); border-radius: 14px; padding: 12px; }
.activity-card .field { min-width: 0; }
.service-list { display: grid; gap: 10px; }
.service-card { border: 1px solid var(--line); border-radius: 13px; padding: 14px; display: grid; grid-template-columns: 1.5fr .8fr .8fr; gap: 12px; align-items: center; }
.empty-state { border: 1px dashed var(--line); border-radius: 14px; padding: 24px; color: var(--muted); text-align: center; }
.activity-log { display: grid; gap: 10px; }
.log-item { display: grid; grid-template-columns: 125px 180px minmax(0,1fr); gap: 14px; align-items: start; background: var(--panel); border: 1px solid var(--line); border-radius: 13px; padding: 13px 15px; }
.log-time, .log-system { color: var(--muted); font-size: .8rem; }
.log-summary { font-weight: 700; }
.log-details { margin-top: 6px; padding: 8px; border-radius: 8px; background: #f5f7f5; color: #435049; white-space: pre-wrap; overflow-wrap: anywhere; font-size: .76rem; }
.toast { position: fixed; right: 22px; bottom: 22px; max-width: min(420px, calc(100vw - 44px)); background: #17201c; color: #fff; padding: 11px 14px; border-radius: 10px; opacity: 0; pointer-events: none; transform: translateY(8px); transition: .18s ease; z-index: 10; }
.toast.show { opacity: 1; transform: translateY(0); }
.toast.error { background: #7f2d27; }

@media (max-width: 900px) {
  .app-shell { padding: 18px 16px 38px; }
  .topbar, .systems-heading { align-items: flex-start; flex-direction: column; }
  .topbar-actions { justify-content: flex-start; }
  .guest-layout, .system-panel-grid { grid-template-columns: 1fr; }
  .phone-panel { max-width: 560px; width: 100%; margin: 0 auto; min-height: 680px; }
  .demo-guide { padding: 8px 0; }
  .activity-card { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .service-card { grid-template-columns: 1fr; }
  .log-item { grid-template-columns: 1fr; gap: 5px; }
}

@media (max-width: 520px) {
  .primary-tabs, .system-tabs { overflow-x: auto; flex-wrap: nowrap; padding-bottom: 4px; }
  .tab, .system-tab { white-space: nowrap; }
  .phone-panel { border-radius: 18px; min-height: 650px; }
  .form-grid { grid-template-columns: 1fr; }
  .field.full { grid-column: auto; }
  .activity-card { grid-template-columns: 1fr; }
  .chat-form { grid-template-columns: 1fr; }
}

.language-control { display: inline-flex; align-items: center; gap: 8px; min-height: 42px; padding: 5px 8px 5px 11px; border: 1px solid var(--line); border-radius: 10px; background: var(--panel); color: var(--muted); font-size: .78rem; font-weight: 750; }
.language-control select { border: 0; background: transparent; color: var(--ink); min-height: 30px; font-weight: 750; outline: none; }
.menu-review-anchor { scroll-margin-top: 18px; margin-top: 16px; }
.review-card { border: 2px solid #d59a2d; background: #fffdf7; }
.review-card:focus { outline: 3px solid rgba(213, 154, 45, .25); outline-offset: 3px; }
.review-header { display: flex; justify-content: space-between; align-items: flex-start; gap: 18px; margin-bottom: 14px; }
.review-count { flex: 0 0 auto; border-radius: 999px; padding: 7px 10px; font-size: .75rem; font-weight: 800; }
.review-count.warning { color: var(--warning); background: var(--warning-soft); }
.review-count.ready { color: #176443; background: #e6f4ed; }
.needs-review-row { background: #fffaf0; }
.review-checkbox { display: flex; align-items: flex-start; gap: 7px; margin-top: 8px; min-width: 170px; font-size: .76rem; font-weight: 700; color: var(--ink); }
.review-checkbox input { width: 18px; min-width: 18px; height: 18px; margin: 0; accent-color: var(--accent); }
.allergen-text { display: inline-block; min-width: 100px; }
.publish-panel { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-top: 18px; padding: 15px; border-radius: 13px; background: #f5f7f5; border: 1px solid var(--line); }
.publish-panel .eyebrow { margin-bottom: 4px; }
.review-summary { margin: 0; font-size: .83rem; font-weight: 700; }
.review-summary.warning { color: var(--warning); }
.review-summary.ready { color: #176443; }

@media (max-width: 700px) {
  .review-header, .publish-panel { flex-direction: column; align-items: stretch; }
  .publish-panel .button { width: 100%; }
  .language-control { width: 100%; justify-content: space-between; }
}

/* Mobile-first refinement: guest chat is the primary smartphone experience. */
html { -webkit-text-size-adjust: 100%; }
body { min-width: 0; }
button, .tab, .system-tab, .quick-prompt, .entity-button { touch-action: manipulation; }

@media (max-width: 700px) {
  .app-shell { padding: 12px 10px 28px; }
  .topbar { gap: 12px; }
  .topbar h1 { font-size: clamp(1.5rem, 7vw, 2rem); }
  .subtitle { margin-top: 8px; font-size: .9rem; }
  .topbar-actions { width: 100%; gap: 8px; }
  .language-control { width: auto; flex: 1 1 170px; min-height: 44px; }
  .topbar-actions .button { flex: 1 1 145px; min-height: 44px; }
  .topbar-actions .badge { flex: 0 1 auto; min-height: 36px; }

  .primary-tabs {
    position: sticky;
    top: 0;
    z-index: 8;
    margin: 12px -10px 14px;
    padding: 8px 10px;
    overflow-x: auto;
    flex-wrap: nowrap;
    background: color-mix(in srgb, var(--bg) 94%, transparent);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    scrollbar-width: none;
  }
  .primary-tabs::-webkit-scrollbar, .system-tabs::-webkit-scrollbar, .quick-prompts::-webkit-scrollbar, .entity-list::-webkit-scrollbar { display: none; }
  .tab, .system-tab { min-height: 44px; white-space: nowrap; flex: 0 0 auto; }

  .guest-layout { gap: 18px; }
  .phone-panel {
    width: 100%;
    max-width: none;
    height: clamp(560px, calc(100dvh - 160px), 760px);
    min-height: 560px;
    max-height: 760px;
    border-radius: 20px;
    box-shadow: 0 10px 28px rgba(26, 42, 34, .08);
  }
  .phone-header { padding: 16px 16px 8px; gap: 10px; }
  .phone-header h2 { font-size: 1.2rem; }
  .guest-summary { margin: 6px 14px 8px; padding: 10px 12px; gap: 8px; font-size: .82rem; }
  .chat-messages { padding: 9px 12px 12px; gap: 9px; overscroll-behavior: contain; }
  .message { max-width: 94%; padding: 10px 12px; border-radius: 15px; line-height: 1.45; font-size: .96rem; }
  .message ul, .message ol { padding-left: 20px; margin: 7px 0; }
  .message li + li { margin-top: 4px; }

  .quick-prompts {
    padding: 5px 12px 9px;
    gap: 7px;
    scroll-snap-type: x proximity;
    scrollbar-width: none;
  }
  .quick-prompt {
    min-height: 40px;
    padding: 8px 12px;
    font-size: .8rem;
    scroll-snap-align: start;
  }

  .chat-form {
    position: sticky;
    bottom: 0;
    z-index: 3;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 8px;
    padding: 10px 10px max(10px, env(safe-area-inset-bottom));
    background: var(--panel);
    box-shadow: 0 -8px 18px rgba(26, 42, 34, .04);
  }
  .chat-form textarea {
    min-height: 48px;
    max-height: 120px;
    overflow-y: auto;
    padding: 12px;
    border-radius: 14px;
    font-size: 16px;
    line-height: 1.35;
  }
  .chat-form .button {
    align-self: stretch;
    min-width: 76px;
    min-height: 48px;
    border-radius: 14px;
    padding-inline: 14px;
  }

  .demo-guide { padding: 4px 0 0; }
  .demo-guide h2 { font-size: 1.45rem; }
  .guide-steps { margin-top: 14px; }
  .demo-card { min-height: 66px; padding: 13px; }

  .systems-heading { gap: 10px; }
  .systems-heading h2 { font-size: 1.6rem; }
  .systems-heading p { margin: 5px 0 0; font-size: .9rem; }
  .system-tabs {
    overflow-x: auto;
    flex-wrap: nowrap;
    margin: 14px -10px 14px;
    padding: 3px 10px 7px;
    scrollbar-width: none;
  }
  .system-panel-grid { gap: 12px; }
  .card { padding: 14px; border-radius: 15px; }

  .entity-list {
    display: flex;
    overflow-x: auto;
    gap: 8px;
    padding-bottom: 2px;
    scroll-snap-type: x proximity;
    scrollbar-width: none;
  }
  .entity-button {
    flex: 0 0 min(78vw, 240px);
    min-height: 58px;
    scroll-snap-align: start;
  }

  .row-actions { gap: 8px; }
  .row-actions .button { min-height: 44px; flex: 1 1 130px; }
  .field input, .field select, .field textarea { min-height: 44px; font-size: 16px; }
  .field textarea { min-height: 88px; }

  .data-table-wrap { -webkit-overflow-scrolling: touch; overscroll-behavior-x: contain; }
  .data-table-wrap table { min-width: 620px; }
  th, td { padding: 10px; }

  .slot-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .slot-card { padding: 11px; }
  .slot-controls { align-items: stretch; }
  .slot-controls input { width: min(78px, 44%); min-height: 42px; font-size: 16px; }
  .slot-controls .button { min-height: 42px; flex: 1; }

  .drop-zone { padding: 18px 12px; }
  .drop-zone input[type="file"] { width: 100%; font-size: 16px; }
  .menu-preview { max-width: 100%; height: auto; }

  .review-header, .publish-panel { gap: 10px; }
  .review-checkbox { min-width: 0; }
  .publish-panel { padding: 12px; }
  .publish-panel .button { min-height: 46px; }

  .service-card { gap: 9px; }
  .activity-card { gap: 9px; }
  .log-item { padding: 12px; }
  .log-details { font-size: .72rem; }

  .toast {
    left: 10px;
    right: 10px;
    bottom: max(10px, env(safe-area-inset-bottom));
    max-width: none;
    text-align: center;
  }
}

@media (max-width: 420px) {
  .app-shell { padding-inline: 8px; }
  .primary-tabs { margin-inline: -8px; padding-inline: 8px; }
  .system-tabs { margin-inline: -8px; padding-inline: 8px; }
  .topbar-actions .badge { width: 100%; justify-content: center; }
  .phone-panel { border-radius: 16px; height: clamp(540px, calc(100dvh - 150px), 720px); min-height: 540px; }
  .guest-summary { display: grid; grid-template-columns: 1fr 1fr; }
  .slot-grid { grid-template-columns: 1fr; }
  .entity-button { flex-basis: 84vw; }
  .chat-form .button { min-width: 70px; padding-inline: 11px; }
}

@media (max-width: 350px) {
  .guest-summary { grid-template-columns: 1fr; }
  .chat-form { grid-template-columns: 1fr; }
  .chat-form .button { width: 100%; }
}

@media (max-width: 700px) {
  .setup-screen { min-height: 100vh; display: block; padding: 12px; }
  .setup-card { border-radius: 18px; padding: 20px 16px; box-shadow: 0 10px 28px rgba(26, 42, 34, .08); }
  .setup-topline { align-items: stretch; flex-direction: column; }
  .setup-language { width: 100%; justify-content: space-between; min-height: 44px; }
  .setup-card h1 { font-size: clamp(1.9rem, 9vw, 2.65rem); }
  .setup-lead { font-size: .96rem; }
  .setup-feature-grid { grid-template-columns: 1fr; margin: 20px 0; }
  .setup-feature { padding: 13px; }
  .setup-form { padding-top: 18px; }
  .setup-start { width: 100%; min-height: 50px; }
}

/* v0.5 onboarding and detailed demo guide */
.setup-real-world-callout { display: grid; grid-template-columns: auto minmax(0,1fr); gap: 14px; align-items: start; margin: 24px 0 0; padding: 16px 17px; border: 1px solid #b9d9cd; border-radius: 16px; background: var(--accent-soft); }
.setup-real-world-callout strong { display: block; margin-bottom: 5px; }
.setup-real-world-callout p { margin: 0; color: #34564b; font-size: .9rem; line-height: 1.5; }
.setup-callout-icon { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 11px; background: var(--accent); color: #fff; font-weight: 900; font-size: .78rem; letter-spacing: .05em; }
.setup-guide-link-row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin: -8px 0 26px; color: var(--muted); font-size: .84rem; line-height: 1.45; }
.setup-details-button { min-height: 44px; }
.setup-form-heading { display: grid; gap: 5px; margin-bottom: 6px; }
.setup-form-heading h2 { margin: 0; font-size: clamp(1.3rem, 3vw, 1.75rem); letter-spacing: -.025em; }
.setup-form-heading p:not(.eyebrow) { margin: 0; color: var(--muted); line-height: 1.5; max-width: 720px; }
.setup-form-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 12px; }
.setup-field { display: grid; gap: 6px; min-width: 0; }
.setup-field.full { grid-column: 1 / -1; }
.setup-field label { font-weight: 800; font-size: .88rem; }
.setup-form .setup-field input { min-height: 50px; }
.setup-context-preview { display: grid; gap: 3px; padding: 12px 14px; border-radius: 12px; background: #f7f9f7; border: 1px solid var(--line); color: var(--muted); font-size: .83rem; line-height: 1.45; }
.setup-context-preview strong { color: var(--ink); }

.demo-details-dialog { width: min(980px, calc(100% - 28px)); max-height: min(88vh, 900px); padding: 0; border: 1px solid var(--line); border-radius: 20px; background: var(--panel); color: var(--ink); box-shadow: 0 28px 70px rgba(20, 36, 29, .22); }
.demo-details-dialog::backdrop { background: rgba(20, 30, 26, .52); backdrop-filter: blur(3px); }
.demo-details-shell { display: flex; flex-direction: column; max-height: min(88vh, 900px); }
.demo-details-header { display: flex; justify-content: space-between; gap: 20px; align-items: flex-start; padding: 22px 24px 16px; border-bottom: 1px solid var(--line); }
.demo-details-header h2 { margin: 0; font-size: clamp(1.4rem, 3vw, 2rem); letter-spacing: -.03em; }
.dialog-close { display: grid; place-items: center; flex: 0 0 auto; width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 50%; background: #fff; color: var(--ink); font-size: 1.6rem; line-height: 1; }
.demo-details-content { overflow-y: auto; padding: 22px 24px 28px; display: grid; gap: 24px; }
.demo-details-content section { display: grid; gap: 10px; }
.demo-details-content h3 { margin: 0; font-size: 1.08rem; }
.demo-details-content p { margin: 0; color: var(--muted); line-height: 1.58; }
.details-qr-section { padding: 16px; border: 1px solid #b9d9cd; border-radius: 15px; background: var(--accent-soft); }
.details-flow { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-top: 5px; }
.details-flow span { border: 1px solid #bdd8cf; border-radius: 999px; background: rgba(255,255,255,.72); padding: 7px 10px; font-size: .78rem; font-weight: 750; }
.details-flow b { color: var(--accent); }
.details-card-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 11px; }
.details-card-grid article { border: 1px solid var(--line); border-radius: 13px; padding: 13px; background: #fbfcfb; }
.details-card-grid article strong { display: block; margin-bottom: 6px; }
.details-card-grid article p { font-size: .84rem; }
.details-steps { margin: 0; padding-left: 22px; color: var(--muted); line-height: 1.55; }
.details-steps li + li { margin-top: 8px; }
.details-two-column { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 12px; }
.details-two-column > div { border: 1px solid var(--line); border-radius: 13px; padding: 14px; }
.details-two-column strong { display: block; margin-bottom: 7px; }
.details-two-column ul { margin: 0; padding-left: 20px; color: var(--muted); line-height: 1.5; }
.details-two-column li + li { margin-top: 6px; }
.demo-details-footer { display: flex; justify-content: flex-end; padding: 14px 24px 18px; border-top: 1px solid var(--line); }

@media (max-width: 720px) {
  .setup-screen { padding: 10px 8px; align-items: start; }
  .setup-card { border-radius: 18px; padding: 20px 15px 24px; }
  .setup-card h1 { font-size: clamp(1.8rem, 9vw, 2.5rem); }
  .setup-feature-grid, .setup-form-grid, .details-card-grid, .details-two-column { grid-template-columns: 1fr; }
  .setup-topline { align-items: stretch; flex-direction: column; }
  .setup-language { width: 100%; }
  .setup-real-world-callout { grid-template-columns: 1fr; }
  .setup-callout-icon { width: 40px; height: 40px; }
  .setup-guide-link-row { align-items: stretch; }
  .setup-guide-link-row .button { width: 100%; }
  .setup-start { width: 100%; min-height: 52px; }
  .demo-details-dialog { width: calc(100% - 16px); max-height: 92vh; border-radius: 16px; }
  .demo-details-shell { max-height: 92vh; }
  .demo-details-header, .demo-details-content, .demo-details-footer { padding-left: 16px; padding-right: 16px; }
  .demo-details-footer .button { width: 100%; }
  .details-flow { align-items: stretch; flex-direction: column; }
  .details-flow b { transform: rotate(90deg); align-self: center; }
}