/* ============================================================
   MENUBASE: Merchant Dashboard
   Design system tokens + base styles
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Geist:wght@300;400;500;600;700;800&family=Instrument+Serif:ital@0;1&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  /* Color: warm neutrals + lime accent + plum brand */
  --bg:           oklch(0.985 0.005 85);
  --bg-elev:      oklch(1 0 0);
  --bg-sunken:    oklch(0.965 0.006 85);
  --bg-hover:     oklch(0.955 0.007 85);

  --ink:          oklch(0.20 0.015 260);
  --ink-2:        oklch(0.38 0.012 260);
  --ink-3:        oklch(0.55 0.010 260);
  --ink-4:        oklch(0.72 0.008 260);

  --line:         oklch(0.91 0.006 85);
  --line-2:       oklch(0.85 0.008 85);

  /* Brand */
  --lime:         oklch(0.86 0.20 125);   /* signature pop */
  --lime-deep:    oklch(0.72 0.22 128);
  --lime-soft:    oklch(0.95 0.10 125);
  --plum:         oklch(0.32 0.12 340);   /* brand ink */
  --plum-soft:    oklch(0.94 0.04 340);

  /* Semantic */
  --success:      oklch(0.65 0.16 150);
  --warn:         oklch(0.78 0.16 75);
  --danger:       oklch(0.58 0.20 25);
  --info:         oklch(0.62 0.14 240);

  /* Radius / shadow */
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 16px;
  --r-xl: 22px;
  --r-pill: 999px;

  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.05);
  --shadow-md: 0 4px 14px oklch(0 0 0 / 0.06), 0 1px 3px oklch(0 0 0 / 0.04);
  --shadow-lg: 0 18px 48px oklch(0 0 0 / 0.10), 0 4px 12px oklch(0 0 0 / 0.06);
  --shadow-pop: 0 30px 80px oklch(0 0 0 / 0.18), 0 6px 18px oklch(0 0 0 / 0.08);

  /* Type */
  --font-sans: 'Geist', ui-sans-serif, system-ui, sans-serif;
  --font-display: 'Instrument Serif', 'Geist', serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;
}

[data-theme="dark"] {
  --bg:           oklch(0.16 0.012 260);
  --bg-elev:      oklch(0.20 0.013 260);
  --bg-sunken:    oklch(0.13 0.012 260);
  --bg-hover:     oklch(0.24 0.014 260);

  --ink:          oklch(0.97 0.005 85);
  --ink-2:        oklch(0.82 0.008 85);
  --ink-3:        oklch(0.65 0.010 260);
  --ink-4:        oklch(0.48 0.012 260);

  --line:         oklch(0.28 0.013 260);
  --line-2:       oklch(0.34 0.014 260);

  --lime-soft:    oklch(0.30 0.10 125);
  --plum-soft:    oklch(0.28 0.06 340);

  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.4);
  --shadow-md: 0 4px 14px oklch(0 0 0 / 0.5);
  --shadow-lg: 0 18px 48px oklch(0 0 0 / 0.6);
  --shadow-pop: 0 30px 80px oklch(0 0 0 / 0.7);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--ink);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: 'ss01', 'cv11';
  letter-spacing: -0.005em;
}

button { font-family: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
input, select, textarea { font-family: inherit; color: inherit; }

/* ============================================================
   LAYOUT
   ============================================================ */

.app {
  display: grid;
  grid-template-columns: 232px 1fr;
  min-height: 100vh;
}

/* Sidebar */
.side {
  background: var(--bg-sunken);
  border-right: 1px solid var(--line);
  padding: 22px 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  position: sticky;
  top: 0;
  height: 100vh;
}

.brand {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 6px 10px 22px;
  font-weight: 600;
  font-size: 17px;
  letter-spacing: -0.02em;
}
.brand-mark {
  width: 28px; height: 28px; border-radius: 8px;
  background: var(--ink);
  color: var(--lime);
  display: grid; place-items: center;
  font-weight: 800; font-size: 15px;
  letter-spacing: -0.05em;
  position: relative;
}
.brand-mark::after {
  content: ''; position: absolute; right: -2px; bottom: -2px;
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--lime); border: 2px solid var(--bg-sunken);
}

.nav-section {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-4);
  padding: 14px 12px 6px;
  font-weight: 600;
}

.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px;
  border-radius: var(--r-md);
  color: var(--ink-2);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background 120ms ease;
  width: 100%;
  text-align: left;
}
.nav-item:hover { background: var(--bg-hover); color: var(--ink); }
.nav-item.active {
  background: var(--ink);
  color: var(--bg);
}
.nav-item.active .nav-ico { color: var(--lime); }
.nav-ico { width: 18px; height: 18px; flex-shrink: 0; opacity: 0.9; }
.nav-item .badge {
  margin-left: auto;
  background: var(--lime); color: var(--ink);
  font-size: 11px; font-weight: 700;
  padding: 1px 7px; border-radius: var(--r-pill);
}

.side-foot {
  margin-top: auto;
  padding: 14px 10px;
  border-top: 1px solid var(--line);
  display: flex; align-items: center; gap: 10px;
}
.avatar {
  width: 32px; height: 32px; border-radius: 50%;
  background: linear-gradient(135deg, var(--lime), oklch(0.75 0.18 80));
  color: var(--ink);
  display: grid; place-items: center;
  font-weight: 700; font-size: 13px;
}
.side-foot-text { font-size: 13px; line-height: 1.2; }
.side-foot-text strong { font-weight: 600; display: block; }
.side-foot-text span { color: var(--ink-3); font-size: 12px; }

/* Main */
.main { padding: 32px 48px 80px; max-width: 1280px; }

/* Topbar inside main */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 28px;
}
.crumb { color: var(--ink-3); font-size: 13px; }
.crumb strong { color: var(--ink); font-weight: 600; }

.icon-btn {
  width: 36px; height: 36px; border-radius: var(--r-md);
  display: grid; place-items: center;
  border: 1px solid var(--line);
  background: var(--bg-elev);
  color: var(--ink-2);
}
.icon-btn:hover { background: var(--bg-hover); color: var(--ink); }

/* ============================================================
   PAGE HEADER
   ============================================================ */

.page-head {
  display: flex; align-items: flex-end; justify-content: space-between;
  margin-bottom: 28px;
  gap: 24px;
}
.page-head > div:first-child { flex: 1; min-width: 0; }
.page-head > .row { flex-shrink: 0; }

.page-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 40px;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0 0 10px;
}
.page-head > div:first-child { max-width: 640px; }
.page-title em {
  font-style: italic;
  color: var(--ink-3);
}

.page-sub {
  color: var(--ink-3);
  font-size: 15px;
  max-width: 540px;
  margin: 0;
}

/* ============================================================
   BUTTONS
   ============================================================ */

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 16px;
  border-radius: var(--r-md);
  font-weight: 500;
  font-size: 14px;
  border: 1px solid transparent;
  transition: transform 100ms ease, background 120ms ease, box-shadow 120ms ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--ink);
  color: var(--bg);
  box-shadow: 0 1px 0 oklch(1 0 0 / 0.1) inset, var(--shadow-sm);
}
.btn-primary:hover { background: oklch(from var(--ink) calc(l + 0.05) c h); }

.btn-lime {
  background: var(--lime);
  color: var(--ink);
  font-weight: 600;
}
.btn-lime:hover { background: var(--lime-deep); }

.btn-ghost {
  background: transparent;
  color: var(--ink-2);
  border-color: var(--line);
}
.btn-ghost:hover { background: var(--bg-hover); color: var(--ink); }

.btn-quiet {
  background: var(--bg-sunken);
  color: var(--ink-2);
}
.btn-quiet:hover { background: var(--bg-hover); color: var(--ink); }

.btn-lg { padding: 13px 22px; font-size: 15px; }
.btn-sm { padding: 6px 11px; font-size: 13px; border-radius: var(--r-sm); }

/* ============================================================
   STATS STRIP
   ============================================================ */

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  margin-bottom: 32px;
}
.stat {
  background: var(--bg-elev);
  padding: 18px 22px;
}
.stat-label {
  font-size: 12px;
  color: var(--ink-3);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
  margin-bottom: 10px;
  display: flex; align-items: center; gap: 6px;
}
.stat-value {
  font-family: var(--font-display);
  font-size: 38px;
  line-height: 1;
  font-weight: 400;
  letter-spacing: -0.02em;
}
.stat-delta {
  font-family: var(--font-mono);
  font-size: 12px;
  margin-top: 8px;
  color: var(--success);
}
.stat-delta.down { color: var(--danger); }

/* ============================================================
   CAMPAIGN CARDS LIST
   ============================================================ */

.section-head {
  display: flex; align-items: center; justify-content: space-between;
  margin: 8px 0 14px;
}
.section-title {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  color: var(--ink-3);
}

.filters {
  display: flex; gap: 6px; align-items: center;
}
.chip {
  padding: 5px 11px;
  border-radius: var(--r-pill);
  background: var(--bg-elev);
  border: 1px solid var(--line);
  font-size: 12px;
  font-weight: 500;
  color: var(--ink-2);
  cursor: pointer;
}
.chip:hover { background: var(--bg-hover); }
.chip.on { background: var(--ink); color: var(--bg); border-color: var(--ink); }

.camp-list {
  display: flex; flex-direction: column;
  gap: 10px;
}

.camp {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 16px 18px;
  display: grid;
  grid-template-columns: 44px 1fr auto auto;
  gap: 16px;
  align-items: center;
  transition: border-color 120ms ease, transform 120ms ease, box-shadow 120ms ease;
}
.camp:hover { border-color: var(--line-2); box-shadow: var(--shadow-sm); }

.camp-ico {
  width: 44px; height: 44px;
  border-radius: var(--r-md);
  display: grid; place-items: center;
  font-size: 22px;
  background: var(--bg-sunken);
  border: 1px solid var(--line);
}
.camp-ico.lime { background: var(--lime-soft); border-color: oklch(from var(--lime-soft) calc(l - 0.08) c h); }
.camp-ico.plum { background: var(--plum-soft); border-color: oklch(from var(--plum-soft) calc(l - 0.08) c h); }

.camp-body { min-width: 0; }
.camp-name {
  font-size: 15px;
  font-weight: 600;
  margin: 0 0 3px;
  display: flex; align-items: center; gap: 8px;
}
.camp-meta {
  font-size: 13px;
  color: var(--ink-3);
  display: flex; align-items: center; gap: 10px;
  flex-wrap: wrap;
}
.camp-meta .dot { width: 3px; height: 3px; border-radius: 50%; background: var(--ink-4); }
.camp-meta code {
  font-family: var(--font-mono);
  font-size: 12px;
  background: var(--bg-sunken);
  padding: 1px 6px;
  border-radius: var(--r-sm);
  color: var(--ink-2);
}

.camp-stats {
  display: flex; gap: 18px;
  font-size: 12px;
  color: var(--ink-3);
}
.camp-stats div strong {
  display: block;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 2px;
}

.camp-actions { display: flex; gap: 6px; align-items: center; }

/* Status pill */
.status {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 3px 10px 3px 8px;
  border-radius: var(--r-pill);
  font-size: 12px;
  font-weight: 600;
  background: var(--bg-sunken);
  color: var(--ink-2);
  border: 1px solid var(--line);
}
.status::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%;
  background: var(--ink-4);
}
.status.active { color: oklch(0.32 0.14 145); background: oklch(0.95 0.06 145); border-color: oklch(0.86 0.10 145); }
.status.active::before { background: var(--success); box-shadow: 0 0 0 3px oklch(0.65 0.16 150 / 0.2); }
.status.paused { color: oklch(0.40 0.10 65); background: oklch(0.95 0.05 75); border-color: oklch(0.85 0.08 75); }
.status.draft { color: var(--ink-3); }

[data-theme="dark"] .status.active { background: oklch(0.28 0.08 145); color: oklch(0.85 0.16 145); border-color: oklch(0.40 0.10 145); }
[data-theme="dark"] .status.paused { background: oklch(0.28 0.06 75); color: oklch(0.85 0.10 75); border-color: oklch(0.40 0.08 75); }

/* ============================================================
   EMPTY STATE
   ============================================================ */

.empty {
  background: var(--bg-elev);
  border: 1px dashed var(--line-2);
  border-radius: var(--r-xl);
  padding: 64px 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  position: relative;
  overflow: hidden;
}
.empty-eyebrow {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--lime-deep);
  margin-bottom: 12px;
}
.empty h2 {
  font-family: var(--font-display);
  font-size: 44px;
  line-height: 1.05;
  font-weight: 400;
  margin: 0 0 14px;
  letter-spacing: -0.02em;
}
.empty h2 em { font-style: italic; color: var(--ink-3); }
.empty p {
  color: var(--ink-2);
  font-size: 15px;
  margin: 0 0 20px;
  max-width: 420px;
}
.empty-cta { display: flex; gap: 10px; }

.empty-stack {
  display: grid; gap: 10px;
  position: relative;
}
.empty-stack .ghost-card {
  background: var(--bg-sunken);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 14px;
  display: flex; align-items: center; gap: 12px;
  opacity: 0.85;
  transform-origin: left center;
}
.empty-stack .ghost-card { opacity: 0.95; }
.empty-stack .ghost-card:nth-child(2) { opacity: 1; }
.gc-ico { width: 36px; height: 36px; border-radius: var(--r-md); display: grid; place-items: center; background: var(--bg-elev); font-size: 18px; }
.gc-text { flex: 1; }
.gc-text strong { display: block; font-size: 13px; }
.gc-text span { color: var(--ink-3); font-size: 12px; }

/* ============================================================
   MODAL: campaign type chooser + wizard
   ============================================================ */

.scrim {
  position: fixed; inset: 0;
  background: oklch(0.18 0.01 260 / 0.5);
  backdrop-filter: blur(6px);
  z-index: 50;
  display: grid; place-items: center;
  padding: 16px;
  animation: scrim-in 180ms ease;
}
@keyframes scrim-in { from { opacity: 0; } to { opacity: 1; } }

.modal {
  background: var(--bg-elev);
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-pop);
  width: 100%;
  max-width: 920px;
  max-height: calc(100vh - 64px);
  overflow: hidden;
  display: flex; flex-direction: column;
  animation: modal-in 220ms cubic-bezier(0.2, 0.9, 0.3, 1.1);
}
@keyframes modal-in {
  from { opacity: 0; transform: translateY(20px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-head {
  padding: 22px 28px;
  border-bottom: 1px solid var(--line);
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px;
}
.modal-head h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 400;
  letter-spacing: -0.02em;
}
.modal-head h3 em { font-style: italic; color: var(--ink-3); }
.modal-body { padding: 28px; overflow-y: auto; }
.modal-foot {
  padding: 18px 28px;
  border-top: 1px solid var(--line);
  background: var(--bg-sunken);
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px;
}

/* Type chooser grid */
.type-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.type-card {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 18px;
  text-align: left;
  cursor: pointer;
  transition: all 140ms ease;
  display: flex; flex-direction: column;
  position: relative;
  min-height: 150px;
}
.type-card:hover {
  border-color: var(--ink);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.type-card .tc-ico {
  font-size: 24px;
  width: 40px; height: 40px;
  border-radius: var(--r-md);
  display: grid; place-items: center;
  background: var(--bg-sunken);
  margin-bottom: 14px;
}
.type-card.lime .tc-ico { background: var(--lime-soft); }
.type-card.plum .tc-ico { background: var(--plum-soft); }
.type-card h4 { margin: 0 0 4px; font-size: 15px; font-weight: 600; }
.type-card p { margin: 0; font-size: 13px; color: var(--ink-3); line-height: 1.4; }
.type-card .tc-tag {
  position: absolute; top: 14px; right: 14px;
  font-size: 10px; font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--lime-deep);
  background: var(--lime-soft);
  padding: 2px 7px; border-radius: var(--r-pill);
}

/* Future ideas zone in chooser */
.future-zone {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px dashed var(--line);
}
.future-head {
  display: flex; align-items: baseline; gap: 12px;
  margin-bottom: 12px;
}
.future-eyebrow {
  font-family: var(--mono, ui-monospace, monospace);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--ink-4);
  font-weight: 700;
}
.future-sub {
  font-size: 12px;
  color: var(--ink-3);
}
.future-grid .type-card.future {
  cursor: not-allowed;
  background: transparent;
  border-style: dashed;
  border-color: var(--line);
  opacity: 0.62;
  min-height: 120px;
}
.future-grid .type-card.future:hover {
  transform: none;
  border-color: var(--line);
  box-shadow: none;
}
.future-grid .type-card.future h4 { font-size: 14px; }
.future-grid .type-card.future p { font-size: 12px; }
.future-grid .type-card.future .future-tag {
  background: oklch(0.94 0.005 80);
  color: var(--ink-3);
}

/* ============================================================
   WIZARD
   ============================================================ */

.wizard {
  background: var(--bg-elev);
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-pop);
  width: 100%;
  max-width: 1180px;
  height: min(820px, calc(100vh - 32px));
  max-height: calc(100vh - 32px);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr 380px;
  grid-template-rows: 1fr;
  animation: modal-in 220ms cubic-bezier(0.2, 0.9, 0.3, 1.1);
}

/* Narrow viewport (e.g. inside demo iframe): keep phone preview visible but smaller, ensure footer always visible */
@media (max-width: 980px) {
  .wizard {
    grid-template-columns: minmax(0, 1fr) 220px;
    max-width: 100%;
    height: calc(100vh - 32px);
  }
  .wiz-body { padding: 20px 22px; }
  .wiz-head { padding: 14px 20px; }
  .wiz-foot { padding: 12px 20px; }
  .wiz-step-title { font-size: 22px; }
  .wiz-step-help { font-size: 13px; margin: 0 0 18px; }
  .field { margin-bottom: 16px; }
  .wiz-right { padding: 12px !important; }
  .wiz-right .phone-wrap { transform: scale(0.62); transform-origin: top center; }
}
@media (max-width: 720px) {
  .wizard { grid-template-columns: 1fr; }
  .wiz-right { display: none; }
}

.wiz-left { display: flex; flex-direction: column; min-height: 0; height: 100%; overflow: hidden; }
.wiz-right {
  background: oklch(0.16 0.012 260);
  color: oklch(0.97 0.005 85);
  display: flex; flex-direction: column;
  position: relative;
  overflow: hidden;
}
.wiz-right::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 80% -10%, oklch(0.86 0.20 125 / 0.15), transparent 50%),
    radial-gradient(ellipse at 20% 110%, oklch(0.45 0.15 340 / 0.18), transparent 50%);
  pointer-events: none;
}

.wiz-head {
  padding: 20px 28px;
  border-bottom: 1px solid var(--line);
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px;
  flex-shrink: 0;
}
.wiz-eyebrow {
  display: flex; align-items: center; gap: 10px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-3);
}
.wiz-eyebrow .ico {
  width: 22px; height: 22px;
  background: var(--lime); color: var(--ink);
  border-radius: var(--r-sm);
  display: grid; place-items: center;
  font-size: 13px;
}

/* Step tracker */
.steps {
  display: flex; align-items: center; gap: 0;
  padding: 18px 28px;
  border-bottom: 1px solid var(--line);
  background: var(--bg-sunken);
}
.step {
  flex: 1;
  display: flex; align-items: center; gap: 10px;
  font-size: 13px;
  color: var(--ink-3);
  font-weight: 500;
}
.step + .step::before {
  content: ''; flex: 1;
  height: 1px;
  background: var(--line-2);
  margin-right: 10px;
}
.step .num {
  width: 22px; height: 22px;
  border-radius: 50%;
  display: grid; place-items: center;
  background: var(--bg-elev);
  border: 1px solid var(--line-2);
  font-size: 11px; font-weight: 600;
  color: var(--ink-3);
  font-family: var(--font-mono);
  flex-shrink: 0;
}
.step.done .num { background: var(--lime); border-color: var(--lime); color: var(--ink); }
.step.active { color: var(--ink); }
.step.active .num { background: var(--ink); border-color: var(--ink); color: var(--lime); }

.wiz-body {
  padding: 32px 36px;
  overflow-y: auto;
  flex: 1;
}

.wiz-step-title {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 400;
  letter-spacing: -0.02em;
  margin: 0 0 6px;
  line-height: 1.1;
}
.wiz-step-title em { font-style: italic; color: var(--ink-3); }
.wiz-step-help {
  color: var(--ink-3);
  font-size: 14px;
  margin: 0 0 28px;
  max-width: 480px;
}

.wiz-foot {
  padding: 18px 28px;
  border-top: 1px solid var(--line);
  display: flex; align-items: center; justify-content: space-between;
  background: var(--bg-elev);
  flex-shrink: 0;
}

/* Form fields */
.field { margin-bottom: 22px; }
.field-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--ink);
}
.field-hint {
  font-size: 12px;
  color: var(--ink-3);
  margin-top: 6px;
}

.input, .select, .textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--line-2);
  border-radius: var(--r-md);
  background: var(--bg-elev);
  font-size: 14px;
  transition: border-color 120ms ease, box-shadow 120ms ease;
}
.input:focus, .select:focus, .textarea:focus {
  outline: none;
  border-color: var(--ink);
  box-shadow: 0 0 0 3px oklch(from var(--lime) l c h / 0.25);
}

.input-currency {
  display: flex; align-items: stretch;
  border: 1px solid var(--line-2);
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--bg-elev);
  transition: border-color 120ms ease, box-shadow 120ms ease;
  max-width: 240px;
}
.input-currency:focus-within {
  border-color: var(--ink);
  box-shadow: 0 0 0 3px oklch(from var(--lime) l c h / 0.25);
}
.input-currency .prefix {
  padding: 11px 14px;
  background: var(--bg-sunken);
  border-right: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-2);
}
.input-currency input {
  border: 0; padding: 11px 14px;
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 500;
  background: transparent;
  flex: 1; min-width: 0;
  outline: none;
}

/* Day picker */
.day-row { display: flex; gap: 6px; flex-wrap: wrap; }
.day {
  width: 48px; height: 38px;
  border-radius: var(--r-md);
  background: var(--bg-elev);
  border: 1px solid var(--line-2);
  font-size: 12px; font-weight: 600;
  color: var(--ink-2);
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  transition: all 120ms ease;
}
.day:hover { background: var(--bg-hover); }
.day.on {
  background: var(--ink); color: var(--lime);
  border-color: var(--ink);
}

.time-row { display: flex; align-items: center; gap: 10px; }
.time-row .input { max-width: 130px; font-family: var(--font-mono); text-align: center; }
.time-row span { color: var(--ink-3); font-size: 13px; }

/* Radio cards */
.radio-row { display: flex; flex-direction: column; gap: 8px; }
.radio-card {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 14px 16px;
  border: 1px solid var(--line-2);
  border-radius: var(--r-md);
  cursor: pointer;
  background: var(--bg-elev);
  transition: all 120ms ease;
}
.radio-card:hover { background: var(--bg-hover); }
.radio-card.on {
  border-color: var(--ink);
  background: var(--bg-elev);
  box-shadow: 0 0 0 3px oklch(from var(--lime) l c h / 0.2);
}
.radio-card .dot {
  width: 18px; height: 18px;
  border-radius: 50%;
  border: 2px solid var(--line-2);
  flex-shrink: 0;
  margin-top: 2px;
  display: grid; place-items: center;
}
.radio-card.on .dot {
  border-color: var(--ink);
  background: var(--ink);
}
.radio-card.on .dot::after {
  content: ''; width: 6px; height: 6px; border-radius: 50%;
  background: var(--lime);
}
.radio-card-body { flex: 1; min-width: 0; }
.radio-card-body strong { font-size: 14px; font-weight: 600; display: block; }
.radio-card-body span { font-size: 13px; color: var(--ink-3); }

/* Checkbox */
.check {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 0;
  cursor: pointer;
  font-size: 14px;
}
.check .box {
  width: 20px; height: 20px;
  border-radius: var(--r-sm);
  border: 2px solid var(--line-2);
  display: grid; place-items: center;
  transition: all 120ms ease;
  flex-shrink: 0;
}
.check.on .box { background: var(--ink); border-color: var(--ink); }
.check.on .box::after {
  content: ''; width: 10px; height: 6px;
  border-left: 2px solid var(--lime);
  border-bottom: 2px solid var(--lime);
  transform: rotate(-45deg) translate(1px, -2px);
}

/* Toggle */
.toggle {
  width: 38px; height: 22px;
  border-radius: var(--r-pill);
  background: var(--line-2);
  position: relative;
  cursor: pointer;
  transition: background 140ms ease;
  flex-shrink: 0;
}
.toggle::after {
  content: ''; position: absolute;
  top: 2px; left: 2px;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--bg-elev);
  transition: transform 140ms ease;
  box-shadow: var(--shadow-sm);
}
.toggle.on { background: var(--ink); }
.toggle.on::after { transform: translateX(16px); background: var(--lime); }

/* Two-col field row */
.row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; }

/* Quick presets */
.presets { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }
.preset {
  padding: 7px 12px;
  border-radius: var(--r-pill);
  background: var(--bg-sunken);
  border: 1px solid var(--line);
  font-size: 12px;
  font-weight: 500;
  color: var(--ink-2);
  cursor: pointer;
}
.preset:hover { background: var(--ink); color: var(--lime); border-color: var(--ink); }

/* Item picker */
.item-pick {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 12px;
  border: 1px solid var(--line-2);
  border-radius: var(--r-md);
  background: var(--bg-elev);
  cursor: pointer;
  max-width: 360px;
}
.item-pick:hover { border-color: var(--ink); }
.item-pick .thumb {
  width: 38px; height: 38px;
  border-radius: var(--r-sm);
  background: linear-gradient(135deg, oklch(0.92 0.04 60), oklch(0.85 0.06 70));
  display: grid; place-items: center;
  font-size: 18px;
  flex-shrink: 0;
}
.item-pick .ip-body { flex: 1; min-width: 0; }
.item-pick .ip-body strong { display: block; font-size: 14px; font-weight: 600; }
.item-pick .ip-body span { font-size: 12px; color: var(--ink-3); font-family: var(--font-mono); }
.item-pick .chev { color: var(--ink-3); }

/* Activate cards */
.activate-row {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 8px;
}
.activate-card {
  padding: 14px;
  border: 1px solid var(--line-2);
  border-radius: var(--r-md);
  background: var(--bg-elev);
  cursor: pointer;
}
.activate-card.on {
  border-color: var(--ink);
  box-shadow: 0 0 0 3px oklch(from var(--lime) l c h / 0.25);
}
.activate-card strong { display: block; font-size: 14px; font-weight: 600; margin-bottom: 4px; }
.activate-card span { font-size: 13px; color: var(--ink-3); }

/* ============================================================
   PHONE PREVIEW (iPhone-ish)
   ============================================================ */

.phone-wrap {
  flex: 1;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  padding: 24px 24px 32px;
  position: relative;
  z-index: 1;
}

.phone-eyebrow {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
  color: oklch(0.65 0.010 260);
  margin-bottom: 18px;
  display: flex; align-items: center; gap: 8px;
}
.phone-eyebrow::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 12px var(--lime);
  animation: pulse 1.6s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.phone {
  width: 280px;
  background: oklch(0.10 0.005 260);
  border-radius: 42px;
  padding: 10px;
  box-shadow:
    0 0 0 2px oklch(0.30 0.010 260),
    0 30px 80px oklch(0 0 0 / 0.5);
  position: relative;
}
.phone-screen {
  background: oklch(0.985 0.005 85);
  color: oklch(0.20 0.015 260);
  border-radius: 32px;
  overflow: hidden;
  height: 540px;
  display: flex; flex-direction: column;
  position: relative;
}
.phone-notch {
  position: absolute;
  top: 8px; left: 50%;
  transform: translateX(-50%);
  width: 90px; height: 24px;
  background: oklch(0.10 0.005 260);
  border-radius: 14px;
  z-index: 5;
}

.phone-status {
  padding: 14px 22px 6px;
  display: flex; align-items: center; justify-content: space-between;
  font-size: 12px;
  font-weight: 600;
  font-family: var(--font-mono);
}
.phone-status .right { display: flex; gap: 4px; opacity: 0.7; }

.phone-header {
  padding: 16px 18px 12px;
  border-bottom: 1px solid oklch(0.91 0.006 85);
  display: flex; align-items: center; justify-content: space-between;
}
.phone-header .ph-name { font-size: 15px; font-weight: 600; }
.phone-header .ph-table { font-size: 11px; color: oklch(0.55 0.010 260); }

.phone-content {
  flex: 1;
  overflow-y: auto;
  padding: 14px 14px 100px;
  position: relative;
}

.menu-item {
  display: flex; gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid oklch(0.94 0.006 85);
}
.menu-item .mi-thumb {
  width: 50px; height: 50px;
  border-radius: 8px;
  background: linear-gradient(135deg, oklch(0.88 0.04 60), oklch(0.80 0.05 80));
  flex-shrink: 0;
  font-size: 22px;
  display: grid; place-items: center;
}
.menu-item .mi-body { flex: 1; min-width: 0; }
.menu-item .mi-name { font-size: 12px; font-weight: 600; }
.menu-item .mi-desc { font-size: 10px; color: oklch(0.55 0.010 260); margin: 1px 0; line-height: 1.3; }
.menu-item .mi-price { font-size: 11px; font-family: var(--font-mono); font-weight: 600; }

/* Phone banner: the actual campaign preview */
.phone-banner {
  position: absolute;
  bottom: 16px; left: 12px; right: 12px;
  background: oklch(0.20 0.015 260);
  color: oklch(0.985 0.005 85);
  border-radius: 14px;
  padding: 12px 14px;
  box-shadow: 0 20px 40px oklch(0 0 0 / 0.25);
  z-index: 4;
  animation: banner-in 400ms cubic-bezier(0.2, 0.9, 0.3, 1.1);
}
@keyframes banner-in {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.phone-banner .pb-bar {
  height: 6px;
  background: oklch(0.30 0.015 260);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 8px;
}
.phone-banner .pb-bar > div {
  height: 100%;
  background: var(--lime);
  border-radius: 3px;
  transition: width 600ms ease;
}
.phone-banner .pb-text {
  font-size: 11px;
  line-height: 1.4;
}
.phone-banner .pb-text strong { color: var(--lime); }
.phone-banner .pb-amt {
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 4px;
  display: flex; align-items: center; justify-content: space-between;
  font-family: var(--font-mono);
}

.phone-banner.unlocked {
  background: var(--lime);
  color: oklch(0.18 0.01 260);
  text-align: center;
  padding: 16px;
}
.phone-banner.unlocked .ph-icon { font-size: 28px; margin-bottom: 6px; }
.phone-banner.unlocked .ph-headline { font-size: 14px; font-weight: 700; margin-bottom: 2px; }
.phone-banner.unlocked .ph-sub { font-size: 11px; opacity: 0.8; }

.phone-banner.flash {
  background: oklch(0.55 0.20 25);
  color: white;
}
.phone-banner.weather {
  background: oklch(0.45 0.10 235);
  color: white;
}

.phone-cart-bar {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  background: oklch(0.20 0.015 260);
  color: oklch(0.985 0.005 85);
  padding: 12px 16px 16px;
  display: flex; align-items: center; justify-content: space-between;
  font-size: 12px;
  z-index: 3;
}
.phone-cart-bar strong { font-family: var(--font-mono); font-size: 14px; }

.preview-meta {
  margin-top: 18px;
  display: flex; gap: 16px;
  color: oklch(0.65 0.010 260);
  font-size: 11px;
  font-family: var(--font-mono);
}
.preview-meta div { display: flex; align-items: center; gap: 6px; }
.preview-meta .k { color: oklch(0.50 0.010 260); }

/* Summary card on review step */
.summary {
  background: var(--bg-sunken);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 0;
  overflow: hidden;
  margin-bottom: 18px;
}
.summary-row {
  display: grid;
  grid-template-columns: 140px 1fr;
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  align-items: center;
}
.summary-row:first-child { border-top: 0; }
.summary-row .k {
  color: var(--ink-3);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 600;
}
.summary-row .v { font-weight: 500; }
.summary-row .v code {
  font-family: var(--font-mono);
  background: var(--bg-elev);
  padding: 1px 6px;
  border-radius: var(--r-sm);
  font-size: 12px;
  border: 1px solid var(--line);
}

/* ============================================================
   TOAST
   ============================================================ */

.toasts {
  position: fixed;
  bottom: 24px; right: 24px;
  z-index: 100;
  display: flex; flex-direction: column;
  gap: 8px;
}
.toast {
  background: oklch(0.20 0.015 260);
  color: oklch(0.985 0.005 85);
  padding: 12px 16px;
  border-radius: var(--r-md);
  box-shadow: var(--shadow-lg);
  font-size: 13px;
  display: flex; align-items: center; gap: 10px;
  min-width: 280px;
  animation: toast-in 220ms cubic-bezier(0.2, 0.9, 0.3, 1.1);
}
@keyframes toast-in {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}
.toast .t-ico {
  width: 24px; height: 24px;
  background: var(--lime);
  color: var(--ink);
  border-radius: 50%;
  display: grid; place-items: center;
  font-weight: 700;
  flex-shrink: 0;
}

/* ============================================================
   UTIL
   ============================================================ */

.hidden { display: none !important; }
.row { display: flex; align-items: center; gap: 10px; }
.spread { display: flex; align-items: center; justify-content: space-between; }
.muted { color: var(--ink-3); }
.mono { font-family: var(--font-mono); }


/* ============================================================
   STACKING & PRIORITY PAGE
   ============================================================ */
.stack-page, .preview-page { padding: 0 32px 64px; }

.stack-rules {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 24px 0 32px;
}
.rule-card {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 20px;
}
.rule-icon { font-size: 28px; margin-bottom: 8px; }
.rule-card h3 { margin: 0 0 6px; font-size: 17px; font-weight: 600; letter-spacing: -0.01em; }
.rule-card p { margin: 0; color: var(--ink-3); font-size: 13.5px; line-height: 1.5; }

.stack-section-title {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 28px;
  color: var(--ink);
  margin: 32px 0 16px;
  letter-spacing: -0.02em;
}

.empty-mini {
  background: var(--bg-elev);
  border: 1px dashed var(--line-2);
  border-radius: var(--r-lg);
  padding: 32px;
  text-align: center;
  color: var(--ink-3);
}

.priority-list {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.priority-row {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--line);
}
.priority-row:last-child { border-bottom: none; }
.prio-num {
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--ink-3);
  width: 36px;
  font-weight: 600;
}

.resolution-demo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.rd-cart, .rd-result {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 20px;
}
.rd-cart-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 12px;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--line);
}
.rd-items { display: flex; flex-direction: column; gap: 8px; margin-bottom: 12px; }
.rd-item {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 12px;
  font-size: 13.5px;
  align-items: center;
}
.rd-total {
  display: flex;
  justify-content: space-between;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 15px;
}

.rd-result-head {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-3);
  margin-bottom: 12px;
}
.rd-winner {
  background: var(--lime-soft);
  border: 1px solid var(--lime);
  border-radius: var(--r-md);
  padding: 16px;
  margin-bottom: 12px;
}
.rd-winner-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  background: var(--lime-deep);
  color: white;
  padding: 2px 8px;
  border-radius: var(--r-pill);
  display: inline-block;
  margin-bottom: 8px;
}
.rd-winner strong { display: block; font-size: 16px; margin-bottom: 4px; }
.rd-winner-saving {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 600;
  color: var(--lime-deep);
  margin: 4px 0;
}
.rd-winner p { margin: 4px 0 0; font-size: 12.5px; }
.rd-section {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  color: var(--ink-3);
  letter-spacing: 0.06em;
  margin: 16px 0 8px;
}
.rd-alt, .rd-blocked {
  display: flex;
  justify-content: space-between;
  padding: 8px 12px;
  background: var(--bg-sunken);
  border-radius: var(--r-sm);
  margin-bottom: 4px;
  font-size: 13px;
}
.rd-alt { gap: 8px; }
.rd-alt > span:first-child { width: 24px; }


/* ============================================================
   LIVE PREVIEW PAGE
   ============================================================ */
.preview-grid {
  display: grid;
  grid-template-columns: 280px 1fr 320px;
  gap: 20px;
  margin-top: 24px;
}

.dev-panel, .engine-panel {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 20px;
  align-self: start;
}

.dev-section { margin-bottom: 20px; }
.dev-section:last-child { margin-bottom: 0; }
.dev-label {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-3);
  margin-bottom: 8px;
}
.dev-section input[type="range"] { width: 100%; accent-color: var(--lime-deep); }
.dev-readout {
  font-size: 13px;
  color: var(--ink-2);
  margin-top: 4px;
}
.dev-radio { display: flex; gap: 6px; flex-wrap: wrap; }
.dev-chip {
  background: var(--bg-sunken);
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  padding: 6px 12px;
  font-size: 13px;
  cursor: pointer;
  font-family: var(--font-sans);
  color: var(--ink);
  margin-right: 6px;
  margin-bottom: 6px;
  transition: all 0.15s;
}
.dev-chip.on {
  background: var(--ink);
  color: var(--bg-elev);
  border-color: var(--ink);
}
.day-pills { display: flex; gap: 4px; }
.day-pill {
  flex: 1;
  background: var(--bg-sunken);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  padding: 8px 0;
  font-size: 13px;
  cursor: pointer;
  font-family: var(--font-mono);
  color: var(--ink);
}
.day-pill.on { background: var(--ink); color: var(--bg-elev); }


/* PHONE FRAME (preview page) */
.phone-wrap {
  display: flex;
  justify-content: center;
  padding: 20px 0;
}
.phone-frame {
  width: 360px;
  height: 720px;
  background: oklch(0.12 0.01 260);
  border-radius: 44px;
  padding: 12px;
  box-shadow: var(--shadow-pop);
  position: relative;
}
.phone-notch {
  position: absolute;
  top: 18px; left: 50%;
  transform: translateX(-50%);
  width: 100px; height: 24px;
  background: oklch(0.08 0.01 260);
  border-radius: 999px;
  z-index: 2;
}
.phone-screen {
  background: var(--bg);
  height: 100%;
  border-radius: 32px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.cust-status {
  display: flex;
  justify-content: space-between;
  padding: 10px 28px 4px;
  font-size: 12px;
  font-weight: 600;
  font-family: var(--font-mono);
}
.cust-head {
  padding: 18px 20px 12px;
  border-bottom: 1px solid var(--line);
}
.cust-head strong { display: block; font-size: 18px; }
.cust-table { font-size: 12px; color: var(--ink-3); }
.cust-banner {
  margin: 12px 16px;
  padding: 14px;
  background: var(--lime-soft);
  border: 1px solid var(--lime);
  border-radius: var(--r-md);
}
.cust-banner.progress { background: var(--bg-sunken); border-color: var(--line); }
.cust-banner-eyebrow {
  font-family: var(--font-mono);
  font-size: 9.5px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--lime-deep);
  margin-bottom: 4px;
}
.cust-banner.progress .cust-banner-eyebrow { color: var(--ink-3); }
.cust-banner strong { display: block; font-size: 14px; }
.cust-banner-saving {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 600;
  color: var(--lime-deep);
  margin-top: 4px;
}
.cust-progress {
  height: 6px;
  background: var(--line);
  border-radius: var(--r-pill);
  margin-top: 8px;
  overflow: hidden;
}
.cust-progress > div {
  height: 100%;
  background: var(--lime-deep);
  border-radius: var(--r-pill);
  transition: width 0.3s;
}
.cust-section-title {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--ink-3);
  text-transform: uppercase;
  padding: 12px 20px 6px;
}
.cust-menu {
  flex: 1;
  overflow-y: auto;
  padding: 0 16px 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.cust-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  cursor: pointer;
  font-family: var(--font-sans);
  text-align: left;
}
.cust-item:hover { background: var(--bg-hover); }
.cust-item-emoji { font-size: 22px; }
.cust-item-info { flex: 1; }
.cust-item-info strong { display: block; font-size: 13.5px; }
.cust-item-info span { font-size: 12.5px; color: var(--ink-2); font-family: var(--font-mono); }
.cust-item-qty {
  background: var(--ink);
  color: var(--bg-elev);
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 3px 8px;
  border-radius: var(--r-pill);
}
.cust-cart-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 20px;
  background: var(--ink);
  color: var(--bg-elev);
  font-size: 13.5px;
}

/* ENGINE PANEL */
.engine-head {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-3);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 12px;
}
.engine-block { margin-bottom: 14px; }
.engine-label {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-3);
  margin-bottom: 6px;
}
.engine-applied {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 10px;
  background: var(--lime-soft);
  border-radius: var(--r-sm);
}
.engine-applied strong { font-size: 13px; }
.engine-applied .lime { font-family: var(--font-mono); font-weight: 600; color: var(--lime-deep); font-size: 14px; }
.engine-applied code {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--ink-2);
  white-space: pre-wrap;
  word-break: break-all;
}
.engine-alt {
  display: flex;
  justify-content: space-between;
  font-size: 12.5px;
  padding: 4px 0;
}
.engine-foot { padding-top: 12px; border-top: 1px solid var(--line); }

/* CUSTOMER QR APP-specific (loaded standalone) */
.cust-app {
  background: var(--bg-sunken);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
  font-family: var(--font-sans);
  color: var(--ink);
}

@media (max-width: 1100px) {
  .preview-grid { grid-template-columns: 1fr; }
  .resolution-demo { grid-template-columns: 1fr; }
  .stack-rules { grid-template-columns: 1fr; }
}