/* PIM 1.99 — envisioning deck styles · v4
   - All-Inter type system (no serif, no italics)
   - Cooler/neutral prototype palette (less yellow)
   - Breadcrumb sub-page labels on the left
   - Bottom progress bar
   - Distinct feature cover pages
*/

:root,
[data-palette="neutral"] {
  --bg: #ffffff;
  --bg-elev: #ffffff;
  --bg-locked: #f4f4f3;
  --bg-canvas: #f6f6f5;
  --ink: #18181a;
  --ink-2: #2c2c2e;
  --ink-3: #6a6a6d;
  --ink-4: #a3a3a6;
  --rule: #e6e6e4;
  --rule-2: #d2d2cf;
  --bronze: #18181a;
  --bronze-2: #4a4a4d;
  --bronze-soft: rgba(24,24,26,0.06);
  --alert: #a4382c;
  --alert-soft: rgba(164,56,44,0.06);
  --warn: #a06d20;
  --warn-soft: rgba(160,109,32,0.08);
  --ok: #406748;
  --ok-soft: rgba(64,103,72,0.08);
  --info: #3d5a7a;
  --info-soft: rgba(61,90,122,0.08);
  --shadow: 0 1px 0 rgba(0,0,0,0.03), 0 6px 18px rgba(0,0,0,0.04);
  --shadow-lift: 0 1px 0 rgba(0,0,0,0.04), 0 18px 48px rgba(0,0,0,0.07);

  --display: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
}

/* Prototype "vetrina" — cool warm-neutral, distinct but not yellow.
   We pick a soft greige + an accent in cool indigo so prototypes read
   visibly different from the deck shell without screaming. */
[data-palette="ivory"] {
  --bg: #eef0f2;
  --bg-elev: #f7f8f9;
  --bg-locked: #e3e6ea;
  --bg-canvas: #e8ebee;
  --ink: #15171a;
  --ink-2: #2c2f33;
  --ink-3: #5d6168;
  --ink-4: #8a8e95;
  --rule: #d4d8dd;
  --rule-2: #bfc4cb;
  --bronze: #2f4a73;        /* cool indigo accent */
  --bronze-2: #4a6fa0;
  --bronze-soft: rgba(47,74,115,0.08);
  --alert: #a4382c;
  --alert-soft: rgba(164,56,44,0.08);
  --warn: #8a6a1f;
  --warn-soft: rgba(138,106,31,0.10);
  --ok: #406748;
  --ok-soft: rgba(64,103,72,0.10);
  --info: #3d5a7a;
  --info-soft: rgba(61,90,122,0.10);
  --shadow: 0 1px 0 rgba(20,22,26,0.04), 0 8px 24px rgba(20,22,26,0.06);
  --shadow-lift: 0 1px 0 rgba(20,22,26,0.05), 0 18px 48px rgba(20,22,26,0.10);

  --display: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --fs-eyebrow: 14px;
  --fs-body: 19px;
  --fs-body-sm: 16px;
  --fs-strapline: 32px;
  --fs-title: 76px;
  --fs-title-sm: 54px;
  --fs-h2: 30px;
  --fs-section: 22px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0;
  background: #0a0a0a;
  font-family: var(--sans);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

deck-stage { background: var(--bg); }

section {
  width: 1920px; height: 1080px;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 19px;
  line-height: 1.5;
  position: relative;
  overflow: hidden;
  padding: 84px 112px 72px 112px;
}

/* ============== TYPOGRAPHY ============== */
.frame-title {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 54px;
  line-height: 1.08;
  letter-spacing: -0.025em;
  margin: 18px 0 0 0;
  color: var(--ink);
  max-width: 1500px;
  text-wrap: balance;
}
.frame-title em { font-style: normal; color: var(--ink); font-weight: 600; }

.strapline {
  font-family: var(--sans);
  font-style: normal;
  font-size: 24px;
  line-height: 1.4;
  color: #4a4a4d;
  margin: 24px 0 0 0;
  font-weight: 400;
  max-width: 1300px;
  text-wrap: pretty;
}

/* ============== BREADCRUMB SUB-PAGE LABEL (top-left) ============== */
/* Replaces the old .frame-num top-right block.
   Format: 01 FILTRI · TO BE  with the second part highlighted. */
.crumb {
  position: absolute;
  top: 56px;
  left: 112px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 600;
  color: #18181a;
  z-index: 5;
}
.crumb .crumb-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 28px; height: 22px;
  padding: 0 8px;
  background: #18181a;
  color: #fff;
  border-radius: 4px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
}
.crumb .crumb-feat { color: #18181a; }
.crumb .crumb-sep { color: #c0c0bf; font-weight: 400; }
.crumb .crumb-page {
  color: #6a6a6d;
  letter-spacing: 0.10em;
}
.crumb[data-kind="asis"] .crumb-page { color: #a4382c; }
.crumb[data-kind="problemi"] .crumb-page { color: #a4382c; }
.crumb[data-kind="tobe"] .crumb-page { color: #2f4a73; }
.crumb[data-kind="component"] .crumb-page { color: #2f4a73; }
.crumb[data-kind="alt"] .crumb-page { color: #2f4a73; }
.crumb[data-kind="note"] .crumb-page { color: #406748; }

/* Old frame-num remains for non-feature slides (cover, framework, roadmap) */
.frame-num {
  position: absolute;
  top: 56px; left: 112px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: #18181a;
  text-transform: uppercase;
  font-weight: 600;
}
.frame-num strong {
  font-weight: 600;
  color: #18181a;
  background: #18181a;
  color: #fff;
  padding: 2px 8px;
  border-radius: 4px;
  margin-right: 8px;
  letter-spacing: 0.08em;
}

/* ============== SLIDE FOOTER (overrides) ============== */
.slide-foot {
  position: absolute;
  bottom: 56px;
  left: 112px; right: 112px;
  display: flex; justify-content: space-between; align-items: center;
  font-family: var(--mono);
  font-size: 11px;
  color: #a3a3a6;
  letter-spacing: 0.1em;
}

/* ============== BOTTOM PROGRESS BAR (deck-wide, in each slide) ============== */
.deck-progress {
  position: absolute;
  left: 0; right: 0;
  bottom: 0;
  height: 3px;
  background: #ececea;
  z-index: 10;
}
.deck-progress > .deck-progress-fill {
  height: 100%;
  background: #18181a;
  width: 0%;
  transition: width .3s ease;
}

/* ============== HEURISTIC TAGS ============== */
.h-tag {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 4px;
  background: rgba(24,24,26,0.04);
  color: #6a6a6d;
  border: 1px solid #d2d2cf;
  letter-spacing: 0.05em;
  white-space: nowrap;
  position: relative;
  cursor: default;
}
.h-tip {
  display: none;
  position: absolute;
  bottom: calc(100% + 8px);
  left: 0;
  z-index: 200;
  width: 260px;
  background: #1c1c1e;
  color: #d4d4cf;
  border-radius: 8px;
  padding: 12px 14px;
  font-size: 12px;
  line-height: 1.5;
  font-family: var(--sans);
  text-transform: none;
  letter-spacing: 0;
  font-weight: 400;
  pointer-events: none;
  white-space: normal;
  box-shadow: 0 8px 24px rgba(0,0,0,0.22);
}
.h-tip strong {
  display: block;
  font-weight: 600;
  margin-bottom: 5px;
  color: #f5f5f3;
  font-size: 12px;
  letter-spacing: 0.02em;
}
.h-tag:hover .h-tip { display: block; }
[data-heuristics="off"] .h-tag { display: none; }

/* ============== UI MOCK PRIMITIVES ============== */
.mock-row { display: flex; gap: 10px; align-items: center; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 14px;
  border-radius: 6px;
  border: 1px solid var(--rule-2);
  background: var(--bg-elev);
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  cursor: pointer;
  transition: background 0.12s ease, border-color 0.12s ease;
  user-select: none;
}
.btn:hover { background: var(--bg-canvas); border-color: var(--bronze); }
.btn.primary {
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
}
.btn.primary:hover { background: var(--ink-2); }
.btn.secondary { border-color: var(--bronze); color: var(--bronze); }
.btn.secondary:hover { background: var(--bronze-soft); }
.btn.ghost { background: transparent; border-color: transparent; color: var(--bronze); }
.btn.ghost:hover { background: var(--bronze-soft); }
.btn.danger { border-color: var(--alert); color: var(--alert); background: transparent; }
.btn-bronze {
  background: var(--bronze);
  color: white;
  border-color: var(--bronze);
}
.btn-bronze:hover { background: var(--bronze-2); border-color: var(--bronze-2); }

.input, .select-mock {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 12px;
  border-radius: 6px;
  border: 1px solid var(--rule-2);
  background: var(--bg-elev);
  font-family: var(--sans);
  font-size: 14px;
  color: var(--ink);
  min-width: 140px;
  cursor: pointer;
  user-select: none;
}
.input.has-count { gap: 6px; }
.count-pill {
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--bronze);
  color: white;
  font-size: 11px;
  font-weight: 600;
  border-radius: 999px;
  padding: 1px 7px;
  font-family: var(--mono);
  min-width: 18px;
}

.chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 6px 5px 10px;
  border-radius: 999px;
  border: 1px solid var(--rule-2);
  background: var(--bg-elev);
  font-size: 13px;
  color: var(--ink-2);
  font-family: var(--sans);
}
.chip .label-key {
  color: var(--ink-4);
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.chip .x {
  display: inline-flex; align-items: center; justify-content: center;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--bg-canvas);
  cursor: pointer;
  font-size: 12px;
  color: var(--ink-3);
}
.chip .x:hover { background: var(--alert-soft); color: var(--alert); }

.pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  font-family: var(--sans);
  white-space: nowrap;
}
.pill .dot { width: 7px; height: 7px; border-radius: 50%; }
.pill.ok { color: var(--ok); background: var(--ok-soft); }
.pill.ok .dot { background: var(--ok); }
.pill.alert { color: var(--alert); background: var(--alert-soft); }
.pill.alert .dot { background: var(--alert); }
.pill.warn { color: var(--warn); background: var(--warn-soft); }
.pill.warn .dot { background: var(--warn); }
.pill.draft { color: var(--ink-3); background: var(--bg-canvas); }
.pill.draft .dot { background: var(--ink-4); }

.tag-reason {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 9px;
  border-radius: 4px;
  font-size: 12px;
  font-family: var(--sans);
  font-weight: 500;
  border: 1px solid;
  cursor: default;
  position: relative;
}
.tag-reason.hard { color: var(--alert); border-color: var(--alert); background: var(--alert-soft); }
.tag-reason.soft { color: var(--warn); border-color: var(--warn); background: var(--warn-soft); }

.tooltip {
  position: absolute; bottom: calc(100% + 10px); left: 0;
  background: var(--ink); color: var(--bg);
  padding: 12px 14px;
  border-radius: 6px;
  font-size: 12px; line-height: 1.45;
  width: 280px;
  font-family: var(--sans);
  font-weight: 400;
  z-index: 30;
  box-shadow: var(--shadow-lift);
  display: none;
}
.tag-reason:hover .tooltip { display: block; }
.tooltip strong { color: var(--bronze-2); display: block; margin-bottom: 4px; font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em; }
.tooltip a { color: var(--bronze-2); text-decoration: underline; }

.tbl {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.tbl th {
  text-align: left;
  font-weight: 500;
  color: var(--ink-3);
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 12px 14px;
  border-bottom: 1px solid var(--rule);
  background: var(--bg-canvas);
}
.tbl td {
  padding: 14px;
  border-bottom: 1px solid var(--rule);
  color: var(--ink-2);
  vertical-align: middle;
}
.tbl tr:last-child td { border-bottom: none; }
.tbl .col-img {
  width: 40px; height: 40px;
  background: var(--bg-canvas);
  border: 1px solid var(--rule);
  border-radius: 4px;
  background-image: repeating-linear-gradient(45deg, transparent 0 4px, rgba(0,0,0,0.04) 4px 5px);
}
.tbl .model-code { font-family: var(--mono); font-size: 12px; color: var(--ink); font-weight: 500; }

.field { margin-bottom: 22px; }
.field-label {
  display: flex; align-items: center; gap: 8px;
  font-size: 13px;
  color: var(--ink-3);
  margin-bottom: 6px;
  font-weight: 500;
}
.field-label .lock-ico { color: var(--ink-4); }
.field-label .pending-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--bronze); display: inline-block; }
.field-input {
  display: flex; align-items: center; gap: 10px;
  padding: 11px 14px;
  border-radius: 6px;
  border: 1px solid var(--rule);
  background: var(--bg-elev);
  font-family: var(--sans);
  font-size: 15px;
  color: var(--ink);
  min-height: 44px;
}
.field.locked .field-input { background: var(--bg-locked); color: var(--ink-3); border-color: var(--rule); }
.field.editable .field-input { cursor: text; }
.field.editable .field-input:hover { border-color: #406748; background: rgba(64,103,72,0.04); }
.field.editable .field-input:hover .pencil { opacity: 1; color: #406748; }
.field.editable .field-tooltip { display: none; }
.field.editable:hover .field-tooltip { display: block; }
.field.modified .field-input { background: var(--bg-elev); border-color: var(--bronze); }
.field-meta { margin-top: 6px; font-size: 12px; color: var(--bronze); display: flex; align-items: center; gap: 10px; }
.field-meta-prev { color: var(--ink-4); }
.pencil { opacity: 0; color: var(--ink-4); transition: opacity 0.12s; }

.dd {
  position: absolute;
  background: var(--bg-elev);
  border: 1px solid var(--rule-2);
  border-radius: 6px;
  box-shadow: var(--shadow-lift);
  padding: 8px;
  z-index: 20;
  min-width: 220px;
  font-size: 14px;
}
.dd .dd-search {
  padding: 8px 10px;
  border: 1px solid var(--rule);
  border-radius: 4px;
  background: var(--bg-canvas);
  color: var(--ink-3);
  margin-bottom: 6px;
  font-size: 13px;
}
.dd .dd-item {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 10px;
  border-radius: 4px;
  cursor: pointer;
}
.dd .dd-item:hover { background: var(--bg-canvas); }
.dd .dd-item input { accent-color: var(--bronze); }
.dd .dd-divider { height: 1px; background: var(--rule); margin: 6px 0; }
.dd .dd-actions { display: flex; justify-content: space-between; padding-top: 4px; }
.dd .dd-actions .btn { padding: 6px 12px; font-size: 13px; }

/* ============== HEURISTIC GRID ============== */
.h-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
}
.h-card {
  border: 1px solid var(--rule);
  background: var(--bg-elev);
  border-radius: 8px;
  padding: 22px 20px;
  display: flex; flex-direction: column;
  min-height: 220px;
}
.h-card .h-num-big {
  font-family: var(--mono);
  font-size: 28px;
  font-weight: 600;
  color: var(--bronze);
  letter-spacing: -0.01em;
  line-height: 1;
}
.h-card .h-name {
  font-family: var(--sans);
  font-size: 19px;
  font-weight: 600;
  margin: 12px 0 8px 0;
  letter-spacing: -0.01em;
  color: var(--ink);
  line-height: 1.15;
}
.h-card .h-desc {
  font-size: 13px;
  color: var(--ink-3);
  line-height: 1.45;
  flex: 1;
}

/* ============== PROTOTYPE VETRINA ============== */
.demo-pane {
  background: var(--bg-elev);
  border: 1px solid var(--rule);
  border-radius: 12px;
  box-shadow: var(--shadow-lift);
  overflow: hidden;
  position: relative;
}
.demo-pane.compare { display: grid; grid-template-columns: 1fr 1fr; }
.demo-pane.compare > div { padding: 24px; }
.demo-pane.compare > div + div { border-left: 1px solid var(--rule); }

.demo-toolbar {
  padding: 16px 20px;
  border-bottom: 1px solid var(--rule);
  background: var(--bg-canvas);
}
.demo-toolbar .row + .row { margin-top: 10px; }

.active-filters {
  display: flex; flex-wrap: wrap; gap: 8px; align-items: center;
  font-size: 13px;
}
.active-filters .label-mute {
  font-size: 12px;
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-4);
  margin-right: 4px;
}
.reset-link {
  margin-left: auto;
  font-size: 13px;
  color: var(--bronze);
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.tag-stack { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }

/* modal */
.modal-backdrop {
  position: absolute; inset: 0;
  background: rgba(20, 20, 22, 0.45);
  display: none; align-items: center; justify-content: center;
  z-index: 40;
}
.modal-backdrop.open { display: flex; }
.modal {
  width: 720px;
  max-height: 86%;
  background: var(--bg-elev);
  border-radius: 10px;
  box-shadow: var(--shadow-lift);
  display: flex; flex-direction: column;
  border: 1px solid var(--rule);
}
.modal-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 22px;
  border-bottom: 1px solid var(--rule);
}
.modal-title { font-family: var(--sans); font-size: 20px; font-weight: 600; }
.modal-body { padding: 18px 22px; overflow: auto; }
.modal-foot {
  padding: 14px 22px;
  border-top: 1px solid var(--rule);
  display: flex; justify-content: space-between; align-items: center;
}

/* status bar / tabs / fields-group / drawer / dropzone / validation / img-tile / stepper-dots / opt-card */
.status-bar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px;
  background: var(--bronze-soft);
  border: 1px solid var(--bronze);
  border-radius: 8px;
  font-size: 13px;
  margin: 12px 0 18px 0;
}
.status-bar .left { display: flex; align-items: center; gap: 16px; color: var(--ink-2); }
.status-bar .pending-count { display: inline-flex; align-items: center; gap: 7px; font-weight: 500; color: var(--bronze); }
.status-bar .pending-count::before { content: ""; width: 8px; height: 8px; background: var(--bronze); border-radius: 50%; }

.tabs { display: flex; gap: 0; border-bottom: 1px solid var(--rule); margin-bottom: 18px; }
.tabs .tab {
  padding: 10px 16px;
  font-size: 14px;
  color: var(--ink-3);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  font-weight: 500;
}
.tabs .tab.active { color: var(--ink); border-bottom-color: var(--bronze); }
.tabs .tab .lang-state { margin-left: 6px; font-size: 12px; color: var(--ok); }
.tabs .tab .lang-state.warn { color: var(--warn); }

.fields-group { border-radius: 8px; padding: 18px 22px; margin-bottom: 16px; position: relative; }
.fields-group.locked-group { background: var(--bg-canvas); border: 1px solid var(--rule); }
.fields-group.editable-group { background: var(--bg-elev); border: 1px solid var(--rule); }
.fields-group .group-label {
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--ink-4);
  font-weight: 600;
  margin-bottom: 14px;
}
.field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 24px; }

.drawer-shell {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 540px;
  gap: 0;
  height: 100%;
  border: 1px solid var(--rule);
  border-radius: 10px;
  overflow: hidden;
  background: var(--bg-elev);
}
.step { padding: 18px 0;}
.step:last-child { border-bottom: none; }
.step-head { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.step-num {
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--bronze);
  color: white;
  font-size: 12px;
  font-weight: 600;
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--mono);
}
.step.done .step-num { background: var(--ok); }
.step-title { font-family: var(--sans); font-size: 17px; font-weight: 600; color: var(--ink); }

.dropzone {
  border: 1.5px dashed var(--rule-2);
  border-radius: 8px;
  padding: 28px;
  text-align: center;
  font-size: 14px;
  color: var(--ink-3);
  cursor: pointer;
  background: var(--bg-canvas);
}
.dropzone:hover { border-color: var(--bronze); background: var(--bronze-soft); color: var(--bronze); }

.validation { font-size: 14px; display: grid; gap: 8px; }
.validation .row {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 12px;
  border-radius: 6px;
  background: var(--bg-canvas);
}
.validation .row.ok { color: var(--ok); }
.validation .row.err { color: var(--alert); }
.validation .row.warn { color: var(--warn); }
.validation .row .ic {
  display: inline-flex; align-items: center; justify-content: center;
  width: 22px; height: 22px;
  border-radius: 4px;
  font-weight: 700;
  font-size: 12px;
}
.validation .row.ok .ic { background: var(--ok); color: white; }
.validation .row.err .ic { background: var(--alert); color: white; }
.validation .row.warn .ic { background: var(--warn); color: white; }
.validation .row a { margin-left: auto; color: var(--bronze); text-decoration: underline; cursor: pointer; }

.img-tile {
  position: relative;
  aspect-ratio: 1;
  background: var(--bg-canvas);
  border: 1px solid var(--rule);
  border-radius: 6px;
  overflow: hidden;
  cursor: grab;
  background-image:
    linear-gradient(135deg, rgba(47,74,115,0.06), rgba(47,74,115,0.02)),
    repeating-linear-gradient(45deg, transparent 0 8px, rgba(0,0,0,0.03) 8px 9px);
  display: flex; flex-direction: column; justify-content: flex-end;
}
.img-tile.is-main { border-color: var(--bronze); }
.img-tile .tile-foot {
  background: rgba(20,20,22,0.7);
  color: white;
  padding: 4px 8px;
  font-size: 11px;
  font-family: var(--mono);
  letter-spacing: 0.04em;
  display: flex; align-items: center; gap: 6px;
}
.img-tile .tile-foot .star { color: var(--bronze-2); }
.img-tile .handle, .img-tile .more {
  position: absolute;
  top: 6px;
  width: 22px; height: 22px;
  border-radius: 4px;
  background: rgba(20,20,22,0.55);
  color: white;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 12px;
  opacity: 0;
}
.img-tile .handle { left: 6px; cursor: grab; }
.img-tile .more { right: 6px; cursor: pointer; }
.img-tile:hover .handle, .img-tile:hover .more { opacity: 1; }

.stepper-dots { display: inline-flex; gap: 6px; align-items: center; }
.stepper-dots .d { width: 10px; height: 10px; border-radius: 50%; background: var(--rule-2); }
.stepper-dots .d.active { background: var(--ink); }
.stepper-dots .d.done { background: var(--bronze); }

.opt-card {
  border: 1px solid var(--rule);
  border-radius: 8px;
  padding: 18px 22px;
  margin-bottom: 12px;
  cursor: pointer;
  background: var(--bg-elev);
  display: flex; align-items: flex-start; gap: 14px;
}
.opt-card:hover { border-color: var(--bronze); }
.opt-card.selected { border-color: var(--bronze); background: var(--bronze-soft); }
.opt-card .radio {
  width: 18px; height: 18px;
  border: 1.5px solid var(--rule-2);
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 4px;
  position: relative;
}
.opt-card.selected .radio { border-color: var(--bronze); }
.opt-card.selected .radio::after { content: ""; position: absolute; inset: 3px; background: var(--bronze); border-radius: 50%; }
.opt-card .opt-title { font-family: var(--sans); font-size: 17px; font-weight: 600; }
.opt-card .opt-desc { font-size: 13px; color: var(--ink-3); margin-top: 4px; }

/* ============== FEATURE-PAGE PATTERN ============== */
.proto-vetrina {
  background: var(--bg);
  border-radius: 14px;
  padding: 24px 28px 20px 28px;
  box-shadow:
    0 0 0 1px rgba(0,0,0,0.04),
    0 30px 60px -20px rgba(0,0,0,0.10),
    0 12px 24px -8px rgba(0,0,0,0.06);
  position: relative;
  overflow: hidden;
}
.proto-vetrina > .vetrina-tag {
  position: absolute;
  top: 14px; right: 18px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bronze);
  font-weight: 600;
  background: var(--bronze-soft);
  padding: 4px 10px;
  border-radius: 3px;
  z-index: 5;
}

/* ============== FEATURE COVER (distinct) ============== */
/* Each modification opens with a strongly-marked cover slide.
   Distinct from sub-pages: dark background band on left, oversized title,
   bottom problem/desire diptych. Works with the existing flat markup
   (frame-num + feat-num + feat-title + feat-strapline + feat-pain). */
.feature-title-slide {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 84px 112px 110px 140px;
  background: #18181a;
  color: #f5f5f3;
  position: relative;
  overflow: hidden;
}
.feature-title-slide::before {
  content: none;
}
.feature-title-slide::after {
  /* Decorative oversized number, bottom-right (filled via JS using feat-num text) */
  content: "";
  display: none;
}
/* Override the dark legacy frame-num color on covers */
.feature-title-slide > .frame-num {
  color: #f5f5f3 !important;
}
.feature-title-slide > .frame-num strong {
  background: #f5f5f3 !important;
  color: #18181a !important;
}
.feature-title-slide .feat-num {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(245,245,243,0.55);
  font-weight: 500;
  margin-top: 60px;
}
.feature-title-slide .feat-numblock {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 60px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(245,245,243,0.55);
  font-weight: 500;
}
.feature-title-slide .feat-numblock .feat-bignum {
  font-weight: 700;
  color: rgba(245,245,243,0.85);
}
.feature-title-slide .feat-body {
  display: flex;
  flex-direction: column;
  flex: 1;
}
.feature-title-slide .feat-title {
  font-family: var(--sans);
  font-style: normal;
  font-size: 200px;
  font-weight: 500;
  line-height: 0.95;
  letter-spacing: -0.04em;
  color: #f5f5f3;
  margin: 18px 0 0 0;
  text-wrap: balance;
  position: relative;
  z-index: 2;
}
.feature-title-slide .feat-strapline {
  font-family: var(--sans);
  font-style: normal;
  font-weight: 400;
  font-size: 30px;
  color: rgba(245,245,243,0.78);
  line-height: 1.35;
  margin: 36px 0 0 0;
  max-width: 1300px;
  text-wrap: pretty;
  position: relative;
  z-index: 2;
}
.feature-title-slide .feat-pain {
  margin-top: auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  border-top: 1px solid rgba(245,245,243,0.18);
  padding-top: 40px;
  max-width: 1500px;
  position: relative;
  z-index: 2;
}
.feature-title-slide .feat-pain h4 {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.20em;
  color: rgba(245,245,243,0.55);
  font-weight: 600;
  margin: 0 0 14px 0;
}
.feature-title-slide .feat-pain p {
  font-size: 19px;
  line-height: 1.55;
  color: #f5f5f3;
  margin: 0;
  text-wrap: pretty;
}
.feature-title-slide .slide-foot { color: rgba(245,245,243,0.45) !important; }
.feature-title-slide .slide-foot span { color: rgba(245,245,243,0.45) !important; }
.feature-title-slide .deck-progress { background: rgba(245,245,243,0.15); }
.feature-title-slide .deck-progress > .deck-progress-fill { background: #f5f5f3; }

/* Problems & heuristics slide */
.problems-slide {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  padding-top: 110px;
}
.problems-slide .problems-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px 32px;
  max-width: 1700px;
}
.problems-slide .problem-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 22px 24px;
  background: #fafafa;
  border-radius: 10px;
  border: 1px solid #ececea;
}
.problems-slide .problem-card .h-tag { flex-shrink: 0; margin-top: 2px; }
.problems-slide .problem-card p {
  font-size: 16px;
  line-height: 1.55;
  color: #2c2c2e;
  margin: 0;
  text-wrap: pretty;
}

.cost-neutral {
  display: grid;
  grid-template-columns: 1fr;
  max-width: 860px;
  gap: 36px;
  margin-top: 16px;
  padding-top: 24px;
  border-top: 1px solid #e8e8e6;
}
.cost-neutral h5 {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: #a4382c;
  font-weight: 600;
  margin: 0 0 10px 0;
}
.cost-neutral p {
  font-size: 15px;
  line-height: 1.55;
  color: #4a4a4d;
  margin: 0;
}

/* AS IS slide layout */
.asis-slide {
  display: grid;
  grid-template-columns: 1fr 500px;
  column-gap: 56px;
  row-gap: 28px;
  align-items: start;
  padding-top: 110px;
}
.asis-slide .asis-frame {
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid #d8d8d6;
  background: #f4f4f3;
  box-shadow: 0 18px 36px -12px rgba(0,0,0,0.08);
  min-height: 500px;
  display: flex; align-items: center; justify-content: center;
  position: relative;
}
.asis-slide .asis-frame img { display: block; width: 100%; height: auto; }
.asis-slide .asis-frame::after {
  content: attr(data-placeholder);
  font-family: var(--mono);
  font-size: 12px;
  color: #999;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.asis-slide .asis-frame:has(img)::after { display: none; }
.asis-slide .asis-side h4 {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: #999;
  font-weight: 600;
  margin: 0 0 14px 0;
}
.asis-slide .asis-side p { font-size: 17px; line-height: 1.55; color: #2c2c2e; }
.asis-slide .asis-side .obs-list { margin-top: 20px; padding: 0; list-style: none; }
.asis-slide .asis-side .obs-list li {
  padding: 10px 0;
  border-bottom: 1px dashed #ddd;
  font-size: 17px;
  color: #2c2c2e;
  line-height: 1.5;
}
.asis-slide .asis-side .obs-list li:last-child { border: none; }

/* Heuristic problem bullets embedded in AS IS */
.asis-slide .asis-problems {
  list-style: none;
  padding: 0;
  margin: 20px 0 0 0;
  display: grid;
  gap: 10px;
}
.asis-slide .asis-problems li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 17px;
  line-height: 1.45;
  color: #2c2c2e;
}
.asis-slide .asis-problems li .h-tag {
  flex-shrink: 0;
  font-size: 11px;
  padding: 3px 7px;
  margin-top: 1px;
}
.asis-slide .asis-problems li span:last-child { flex: 1; }

/* Costo · utente — full-width row below screenshot + side panel */
.asis-cost {
  grid-column: 1 / -1;
  display: flex;
  align-items: baseline;
  gap: 28px;
  padding-top: 18px;
  border-top: 1px solid #d0d0ce;
}
.asis-cost > h4 {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: #a4382c;
  font-weight: 600;
  margin: 0;
  white-space: nowrap;
  flex-shrink: 0;
}
.asis-cost > p {
  font-size: 16px;
  line-height: 1.5;
  color: #4a4a4d;
  margin: 0;
}

/* Notes-to-solution slide */
.notes-slide {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 56px;
  padding-top: 110px;
}
.notes-slide .col h4 {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: #999;
  font-weight: 600;
  margin: 0 0 14px 0;
}
.notes-slide .col + .col { padding-left: 36px;}
.notes-slide .resolves-list { list-style: none; padding: 0; margin: 0 0 28px 0; display: grid; gap: 10px; }
.notes-slide .resolves-list li {
  display: flex; align-items: flex-start; gap: 12px;
  font-size: 15px; line-height: 1.5;
  color: #2c2c2e;
}
.notes-slide .resolves-list .h-tag { flex-shrink: 0; margin-top: 1px; }
.notes-slide .ref-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.notes-slide .ref-list li {
  font-size: 14px;
  line-height: 1.5;
  color: #2c2c2e;
  padding-left: 14px;
  position: relative;
}
.notes-slide .ref-list li::before { content: "—"; position: absolute; left: 0; color: #b0b0b0; }
.notes-slide .ref-list li strong { font-weight: 600; color: #18181a; }
.notes-slide .scope-block {
  background: #fafafa;
  border: 1px solid #ececea;
  border-radius: 10px;
  padding: 20px 24px;
  margin-bottom: 16px;
}
.notes-slide .scope-block .scope-label {
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: #999;
  font-weight: 600;
  margin-bottom: 8px;
}
.notes-slide .scope-block.now { border-left: 3px solid #406748; }
.notes-slide .scope-block.next { border-left: 3px solid #a06d20; }
.notes-slide .scope-block.open { border-left: 3px solid #b0b0b0; }
.notes-slide .scope-block p { margin: 0; font-size: 14px; line-height: 1.55; color: #2c2c2e; }

/* ============== INDEX SLIDE ============== */
.index-slide { padding-top: 84px; padding-bottom: 110px; }
.index-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px 32px;
  margin-top: 56px;
  max-width: 1700px;
}
.index-row {
  display: grid;
  grid-template-columns: 80px 1fr auto;
  align-items: center;
  gap: 24px;
  padding: 22px 28px;
  border: 1px solid #ececea;
  border-radius: 10px;
  background: #ffffff;
  transition: border-color .12s, background .12s;
}
.index-row { cursor: pointer; }
.index-row:hover { border-color: #18181a; background: #fafafa; }
.index-row:hover .idx-link { opacity: 1; transform: translateX(0); }
.index-row .idx-num {
  font-family: var(--mono);
  font-size: 22px;
  font-weight: 600;
  color: #18181a;
  letter-spacing: 0.04em;
}
.index-row .idx-body .idx-name {
  font-family: var(--sans);
  font-size: 22px;
  font-weight: 600;
  color: #18181a;
  letter-spacing: -0.015em;
  line-height: 1.2;
}
.index-row .idx-body .idx-sub {
  font-size: 13px;
  color: #6a6a6d;
  margin-top: 4px;
  line-height: 1.4;
}
.idx-link {
  font-size: 20px;
  color: #18181a;
  opacity: 0;
  transform: translateX(-4px);
  transition: opacity .12s, transform .12s;
  line-height: 1;
  user-select: none;
}

/* ============== COMPONENT FOCUS SLIDE ============== */
.component-slide {
  padding-top: 110px;
  display: grid;
  grid-template-columns: 1fr 460px;
  column-gap: 56px;
  row-gap: 0;
  align-items: start;
}
.component-slide > .frame-title {
  grid-column: 1 / -1;
}
.component-slide > .frame-title {
  margin-bottom: 28px;
}
.component-slide .comp-stage {
  background: #f7f8f9;
  border: 1px solid #d4d8dd;
  border-radius: 14px;
  padding: 48px 40px;
  min-height: 640px;
  position: relative;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 18px 40px -16px rgba(20,22,26,0.10);
}
.component-slide .comp-stage::before {
  content: attr(data-stage-tag);
  position: absolute;
  top: 14px; left: 18px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #2f4a73;
  font-weight: 600;
  background: rgba(47,74,115,0.08);
  padding: 4px 10px;
  border-radius: 3px;
}
.component-slide .comp-side h4 {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: #999;
  font-weight: 600;
  margin: 0 0 14px 0;
}
.component-slide .comp-side .comp-feats {
  list-style: none; padding: 0; margin: 0 0 24px 0;
  display: grid; gap: 14px;
}
.component-slide .comp-side .comp-feats li {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 10px;
  font-size: 15px;
  line-height: 1.45;
  color: #2c2c2e;
}
.component-slide .comp-side .comp-feats li .feat-num {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  color: #2f4a73;
  background: rgba(47,74,115,0.08);
  border-radius: 4px;
  height: 22px;
  display: inline-flex; align-items: center; justify-content: center;
  letter-spacing: 0.04em;
}
.component-slide .comp-side .comp-feats li strong { font-weight: 600; color: #18181a; }

/* ============== ALTERNATIVE-SOLUTION SLIDE ============== */
.alt-slide { padding-top: 110px; }
.alt-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 32px;
  align-items: start;
}
.alt-card {
  border: 1px solid #d4d8dd;
  border-radius: 12px;
  background: #f7f8f9;
  padding: 28px 28px 32px;
  position: relative;
  min-height: 600px;
  display: flex; flex-direction: column;
}
.alt-card .alt-tag {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #2f4a73;
  font-weight: 600;
  margin-bottom: 8px;
}
.alt-card.preferred .alt-tag { color: #406748; }
.alt-card .alt-name {
  font-family: var(--sans);
  font-size: 26px;
  font-weight: 600;
  letter-spacing: -0.015em;
  margin: 0 0 6px 0;
  color: #18181a;
}
.alt-card .alt-desc {
  font-size: 14px;
  color: #6a6a6d;
  line-height: 1.5;
  margin: 0 0 22px 0;
}
.alt-card .alt-stage {
  background: #ffffff;
  border: 1px solid #e6e6e4;
  border-radius: 8px;
  padding: 18px;
  flex: 1;
  position: relative;
}
.alt-card .alt-pros {
  margin-top: 18px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  font-size: 13px;
  line-height: 1.5;
}
.alt-card .alt-pros .pros-h {
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: #999;
  font-weight: 600;
  margin-bottom: 6px;
}
.alt-card .alt-pros .pro { color: #406748; }
.alt-card .alt-pros .con { color: #a4382c; }
.alt-card.preferred {
  border-color: #406748;
  box-shadow: 0 0 0 2px rgba(64,103,72,0.15), 0 18px 40px -16px rgba(20,22,26,0.10);
}
.alt-card.preferred::after {
  content: "Preferita";
  position: absolute;
  top: -10px; right: 16px;
  background: #406748;
  color: white;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 4px;
}

/* ============== ROADMAP ============== */
.roadmap-track {
  display: grid;
  grid-template-columns: repeat(9, 1fr);
  gap: 0;
  position: relative;
  margin: 36px 0 24px 0;
}
.roadmap-track::before {
  content: "";
  position: absolute;
  left: 5%; right: 5%;
  top: 28px;
  height: 2px;
  background: var(--rule-2);
  z-index: 0;
}
.rm-week { position: relative; text-align: center; z-index: 1; }
.rm-dot {
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--bronze);
  margin: 0 auto;
  position: relative;
  top: 22px;
}
.rm-week.current .rm-dot { background: var(--bronze); }
.rm-label { font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-4); }
.rm-title { font-family: var(--sans); font-size: 18px; font-weight: 600; margin-top: 36px; letter-spacing: -0.01em; line-height: 1.15; }
.rm-desc { font-size: 12px; color: var(--ink-3); margin-top: 6px; padding: 0 8px; line-height: 1.4; }

/* progress bar */
.progress { height: 8px; background: var(--rule); border-radius: 999px; overflow: hidden; }
.progress > div { height: 100%; background: var(--bronze); border-radius: 999px; }

/* generic helpers */
.text-mute { color: var(--ink-3); }
.text-ink { color: var(--ink); }
.text-bronze { color: var(--bronze); }
.font-mono { font-family: var(--mono); }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.gap-8 { gap: 8px; } .gap-12 { gap: 12px; } .gap-16 { gap: 16px; } .gap-24 { gap: 24px; } .gap-32 { gap: 32px; } .gap-48 { gap: 48px; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-between { justify-content: space-between; }
.flex-1 { flex: 1; }
.w-full { width: 100%; }
.mt-auto { margin-top: auto; }

.callout {
  border-left: 3px solid var(--bronze);
  padding: 10px 16px;
  background: var(--bronze-soft);
  font-size: 14px;
  color: var(--ink-2);
  line-height: 1.5;
  border-radius: 0 6px 6px 0;
}

/* Override: kill any leftover italic from v3 */
em, .strapline, .frame-title em, .feat-strapline { font-style: normal !important; }

/* Vis-badge (table column) */
.vis-badge { padding:2px 7px; border-radius:4px; font-size:11px; font-weight:500; }
.vis-badge.on  { background:rgba(64,103,72,0.10); color:#406748; }
.vis-badge.off { background:rgba(182,85,62,0.10); color:#b6553e; }

/* Bulk btn selected states */
.vis-bulk-btn.sel-on  { background:#406748 !important; color:#fff !important; border-color:#406748 !important; }
.vis-bulk-btn.sel-off { background:#b6553e !important; color:#fff !important; border-color:#b6553e !important; }
.vis-bulk-btn.sel-skip { background:rgba(47,74,115,0.15) !important; color:#2f4a73 !important; border-color:rgba(47,74,115,0.3) !important; }

/* Drag-over highlight */
.img-tile.drag-over { outline:2px solid #406748; outline-offset:2px; }

/* Visibility toggles (feature 07) */
.vis-toggle {
  width: 40px; height: 22px;
  background: var(--rule);
  border-radius: 11px;
  position: relative;
  cursor: pointer;
  transition: background 0.2s;
  flex-shrink: 0;
}
.vis-toggle::after {
  content: '';
  position: absolute;
  left: 3px; top: 3px;
  width: 16px; height: 16px;
  background: #fff;
  border-radius: 50%;
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
  transition: transform 0.2s;
}
.vis-toggle.active { background: #406748; }
.vis-toggle.active::after { transform: translateX(18px); }

/* Dark letterbox when a feature-cover slide is active */
deck-stage[data-dark-slide] { background: #18181a; }

/* The legacy frame-num at top-right is replaced by .crumb top-left.
   Hide on slides where we use .crumb. */
section:has(> .crumb) > .frame-num { display: none; }

/* All crumb-carrying slides share the same top offset (AS IS / Problemi /
   Notes / Component already set this; TO BE slides need it too.) */
section:has(> .crumb) { padding-top: 88px; }

/* ── PROTOTYPE SLIDES: iframe fills all available height automatically ────
   section is 1080px tall (position:absolute; height:100% from deck-stage).
   crumb + slide-foot + deck-progress are absolute → not in flex flow.
   frame-title takes natural height; proto-vetrina flexes to fill the rest. */
section:has(> .proto-vetrina) {
  display: flex;
  flex-direction: column;
}
section:has(> .proto-vetrina) .proto-vetrina {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
}
section:has(> .proto-vetrina) .proto-vetrina .demo-pane {
  flex: 1;
  min-height: 0;
  height: auto !important;
}
section:has(> .proto-vetrina) .proto-vetrina .demo-pane iframe {
  height: 100% !important;
  display: block;
}
/* Excel Wizard annex: plain div wrapper instead of proto-vetrina */
section.proto-fill {
  display: flex;
  flex-direction: column;
}
section.proto-fill > .proto-fill-body {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
}
section.proto-fill > .proto-fill-body .demo-pane {
  flex: 1;
  min-height: 0;
  height: auto !important;
}
section.proto-fill > .proto-fill-body .demo-pane iframe {
  height: 100% !important;
  display: block;
}