/* ============================================================
   CycleCraft — Stylesheet
   Aesthetic: Field-lab notebook × botanical specimen archive
   Palette:  moss · sage · lichen · paper · india ink · rust
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght,SOFT,WONK@9..144,300..900,0..100,0..1&family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;700&display=swap');

:root {
  --paper:        #f3efe4;
  --paper-dark:   #ebe5d3;
  --ink:          #1a1f17;
  --ink-soft:     #3d4a36;
  --moss:         #2d4a2b;
  --moss-deep:    #1c3019;
  --sage:         #7a8c6a;
  --lichen:       #b8b893;
  --rust:         #a8430e;
  --amber:        #c9821f;
  --bone:         #d9d2bd;
  --mist:         #e8e3d4;

  --status-ok:    #4a6b3a;
  --status-warn:  #c9821f;
  --status-risk:  #a8430e;

  --font-display: "Fraunces", "Georgia", serif;
  --font-body:    "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono:    "JetBrains Mono", "Courier New", monospace;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
  min-height: 100vh;
  overflow-x: hidden;
}

/* Soft vignette — paper edges fall into shadow */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, transparent 60%, rgba(28,48,25,0.08)),
    radial-gradient(ellipse 80% 60% at 50% 100%, transparent 60%, rgba(28,48,25,0.08));
  z-index: 1;
}

/* Micro-fine grain overlay — makes --paper read as tactile recycled stock.
   An inline SVG fractal-noise turbulence tiled at low opacity; pure CSS,
   no image asset, no repaint cost (it is a static fixed layer). */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: 0.55;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='g'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23g)' opacity='0.045'/%3E%3C/svg%3E");
  background-size: 160px 160px;
}

/* =============== TYPE =============== */

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 400;
  color: var(--moss-deep);
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.6rem, 6vw, 4.5rem); line-height: 0.95; font-weight: 300; }
h2 { font-size: 1.85rem; font-weight: 500; line-height: 1.1; }
h3 { font-size: 1.15rem; font-weight: 600; }
h4 { font-size: 0.95rem; font-weight: 600; }

.label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
  font-weight: 500;
}

/* =============== SHELL =============== */

.shell {
  position: relative;
  z-index: 2;
  max-width: 1320px;
  margin: 0 auto;
  padding: 32px 48px 80px;
}

/* =============== MASTHEAD =============== */

.masthead {
  border-bottom: 1px solid var(--moss-deep);
  padding-bottom: 24px;
  margin-bottom: 48px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: end;
  gap: 32px;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.brand-mark {
  width: 42px;
  height: 42px;
  border: 1.5px solid var(--moss-deep);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 500;
  font-size: 22px;
  color: var(--moss-deep);
  position: relative;
}
.brand-mark::after {
  content: "";
  position: absolute;
  inset: -5px;
  border: 1px dashed var(--sage);
  border-radius: 50%;
  opacity: 0.5;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 400;
  color: var(--moss-deep);
  letter-spacing: -0.02em;
}
.brand-name em { font-style: italic; font-weight: 300; }

.masthead-tag {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 14px;
  color: var(--ink-soft);
  padding-bottom: 4px;
  text-align: center;
}

.masthead-meta {
  text-align: right;
  font-size: 12px;
  color: var(--ink-soft);
  line-height: 1.7;
}
.masthead-meta .stamp {
  display: inline-block;
  padding: 3px 10px;
  border: 1px solid var(--moss-deep);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  margin-top: 4px;
  color: var(--moss-deep);
}

/* =============== INTRO =============== */

.intro {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 64px;
  margin-bottom: 64px;
  align-items: end;
}

.intro h1 .specimen-tag {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--rust);
  margin-bottom: 18px;
  font-weight: 500;
}
.intro h1 em {
  font-style: italic;
  font-weight: 300;
  color: var(--rust);
}

.intro-side {
  border-left: 1px solid var(--lichen);
  padding-left: 24px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-soft);
}
.intro-side p + p { margin-top: 14px; }

/* =============== SELECTOR =============== */

.selector-block { margin-bottom: 56px; }

.selector-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px dashed var(--sage);
}

.selector-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.specimen-card {
  background: var(--paper);
  border: 1px solid var(--ink-soft);
  padding: 22px 20px 18px;
  cursor: pointer;
  position: relative;
  transition: all 0.25s ease;
  text-align: left;
  font-family: inherit;
  overflow: hidden;
}

.specimen-card::before {
  content: "";
  position: absolute;
  top: 8px; left: 8px; right: 8px; bottom: 8px;
  border: 1px dashed transparent;
  transition: border-color 0.25s ease;
  pointer-events: none;
}

.specimen-card:hover {
  background: var(--mist);
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0 var(--moss-deep);
}
.specimen-card:hover::before { border-color: var(--sage); }

.specimen-card.is-active {
  background: #2e6b24;
  color: #ffffff;
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0 var(--rust);
}
.specimen-card.is-active .spec-label,
.specimen-card.is-active .spec-meta { color: rgba(255,255,255,0.75); }
.specimen-card.is-active .spec-name { color: #ffffff; }
.specimen-card.is-active .spec-num { color: rgba(255,255,255,0.6); }
.specimen-card.is-active .spec-nutrition span { color: rgba(255,255,255,0.85); }

.specimen-card .spec-num {
  position: absolute;
  top: 12px;
  right: 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--sage);
  letter-spacing: 0.12em;
}

.specimen-card .spec-icon {
  font-size: 26px;
  margin-bottom: 12px;
  display: block;
  filter: saturate(0.7);
}

.specimen-card .spec-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 6px;
}

.specimen-card .spec-name {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 500;
  color: var(--moss-deep);
  line-height: 1.05;
  margin-bottom: 10px;
}

.specimen-card .spec-meta {
  font-size: 12px;
  color: var(--ink-soft);
  line-height: 1.5;
}

/* =============== DASHBOARD =============== */

.dashboard {
  display: none;
  animation: dash-in 0.5s ease both;
}
.dashboard.is-visible { display: block; }

@keyframes dash-in {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.specimen-banner {
  border-top: 2px solid var(--moss-deep);
  border-bottom: 1px solid var(--moss-deep);
  padding: 22px 0;
  margin-bottom: 32px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 36px;
  align-items: center;
}

.banner-icon {
  font-size: 54px;
  line-height: 1;
}

.banner-title .label-row {
  display: flex;
  gap: 18px;
  align-items: center;
  margin-bottom: 6px;
}
.banner-title h2 {
  font-size: 2.4rem;
  font-weight: 400;
}
.banner-title .alias {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--ink-soft);
  font-size: 1rem;
  margin-top: 2px;
}

.banner-id {
  font-size: 13px;
  text-align: right;
  color: var(--ink-soft);
  border-left: 1px solid var(--sage);
  padding-left: 24px;
  line-height: 1.8;
}
.banner-id strong { color: var(--moss-deep); font-weight: 600; }

/* =============== COMPLIANCE SHIELD =============== */

.shield-section {
  background: var(--paper-dark);
  border: 1.5px solid var(--moss-deep);
  padding: 48px 32px 28px;   /* extra top room for the inset caption */
  margin-bottom: 40px;
  position: relative;
}

.shield-section::before {
  content: "SFA · HPB · 2026";
  position: absolute;
  top: 18px;                     /* dropped fully inside the panel */
  left: 32px;                    /* aligned with the 32px container padding */
  background: var(--paper-dark); /* match the panel — no mismatched patch */
  padding: 2px 0;                /* no h-padding; it no longer punches a border */
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--sage);            /* receded — reads as a quiet inset stamp */
}

.shield-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 18px;
}
.shield-head h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.3rem;
}
.shield-head .badge {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  padding: 5px 12px;
  border: 1px solid var(--status-ok);
  color: var(--status-ok);
  background: rgba(74, 107, 58, 0.08);
}
.shield-head .badge.flag-warn {
  border-color: var(--status-warn);
  color: var(--status-warn);
  background: rgba(201, 130, 31, 0.08);
}

.shield-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px 28px;
}

.shield-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: start;
  padding: 10px 0;
  border-top: 1px dotted var(--sage);
}

.shield-check {
  width: 18px;
  height: 18px;
  border: 1.5px solid var(--moss-deep);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  color: var(--moss-deep);
  margin-top: 1px;
  flex-shrink: 0;
  font-weight: 700;
}
.shield-item.flag-warn .shield-check {
  border-color: var(--status-warn);
  color: var(--status-warn);
  background: rgba(201, 130, 31, 0.1);
}
.shield-item.flag-risk .shield-check {
  border-color: var(--status-risk);
  color: var(--status-risk);
  background: rgba(168, 67, 14, 0.1);
}

.shield-item h4 {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--moss-deep);
  margin-bottom: 4px;
  font-weight: 700;
}
.shield-item p {
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.55;
}
.shield-item .ingredient-note {
  display: block;
  margin-top: 5px;
  color: var(--rust);
  font-weight: 600;
  font-size: 12px;
}

/* =============== TEA / DISPOSAL SECTION =============== */

.tea-section {
  background: #ffffff;
  color: var(--ink);
  padding: 36px 36px;
  margin-bottom: 48px;
  position: relative;
  border: 1.5px solid var(--bone);
  border-radius: 2px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}

.tea-section .label { color: var(--sage); }

.tea-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 28px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--bone);
}
.tea-head h3 {
  font-family: var(--font-display);
  font-size: 1.8rem;
  color: var(--moss-deep);
  font-weight: 600;
}
.tea-head .tea-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--sage);
  background: var(--mist);
  padding: 5px 12px;
  border-radius: 2px;
}

.tea-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 48px;
}

.tea-controls {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.tea-field label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 8px;
  font-weight: 600;
}
.tea-field .field-row {
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.tea-field input[type="number"] {
  flex: 1;
  background: var(--mist);
  border: 1.5px solid var(--bone);
  border-radius: 3px;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 500;
  padding: 6px 10px;
  outline: none;
  width: 100%;
  -moz-appearance: textfield;
}
.tea-field input[type="number"]::-webkit-outer-spin-button,
.tea-field input[type="number"]::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
.tea-field input[type="number"]:focus {
  border-color: var(--amber);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(201,130,31,0.12);
}
.tea-field .unit {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-soft);
  letter-spacing: 0.08em;
}
.tea-field input[type="range"] {
  width: 100%;
  margin-top: 10px;
  accent-color: var(--amber);
}

.tier-toggle {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid var(--sage);
}
.tier-toggle button {
  background: transparent;
  border: none;
  color: var(--lichen);
  padding: 12px 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.2s;
}
.tier-toggle button.is-active {
  background: var(--amber);
  color: var(--moss-deep);
  font-weight: 700;
}

.tea-results {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.tea-kpi-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding-bottom: 20px;
  border-bottom: 1.5px solid var(--bone);
}

.tea-kpi {
  background: var(--mist);
  border: 1.5px solid var(--bone);
  border-radius: 4px;
  padding: 16px 18px;
}

.tea-kpi .k-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 8px;
  font-weight: 600;
}
.tea-kpi .k-value {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 600;
  color: var(--moss-deep);
  line-height: 1;
  letter-spacing: -0.02em;
  display: flex;
  align-items: baseline;
}

.tea-kpi .k-value-input {
  border-bottom: 1px dashed var(--sage);
  padding-bottom: 2px;
}

.tea-kpi .kpi-input {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 600;
  color: var(--moss-deep);
  background: transparent;
  border: none;
  outline: none;
  width: 100%;
  padding: 0;
  margin: 0;
  appearance: textfield;
}

.tea-kpi .kpi-input::-webkit-outer-spin-button,
.tea-kpi .kpi-input::-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
.tea-kpi .k-value .currency {
  font-size: 0.9rem;
  color: var(--sage);
  font-family: var(--font-mono);
  vertical-align: top;
  margin-right: 2px;
  font-weight: 400;
}
.tea-kpi .k-sub {
  font-size: 12px;
  color: var(--ink-soft);
  margin-top: 6px;
  line-height: 1.5;
}
.tea-kpi.is-profit {
  background: #f0f7ee;
  border-color: #9dba8e;
}
.tea-kpi.is-profit .k-value { color: #2e6b24; }
.tea-kpi.is-profit .k-value.is-loss {
  color: #c0390e;
}
.tea-kpi.is-profit.is-loss-kpi {
  background: #fdf0ec;
  border-color: #d6856a;
}

.tea-chart-wrap {
  background: var(--moss-deep);
  padding: 20px 24px 16px;
  border-radius: 4px;
  border: none;
  margin-top: 4px;
}
.tea-chart-wrap .chart-head {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--lichen);
  margin-bottom: 14px;
}
#tea-chart {
  width: 100%;
  height: 200px;
  display: block;
}

.tea-footnote {
  font-size: 12.5px;
  color: var(--ink-soft);
  font-style: italic;
  font-family: var(--font-display);
  border-top: 1.5px solid var(--bone);
  padding-top: 14px;
  line-height: 1.7;
}

/* =============== FOUR QUADRANTS =============== */

.section-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.6rem;
  margin-bottom: 4px;
}
.section-sub {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--rust);
  margin-bottom: 22px;
}

.quad-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 56px;
}

.quad {
  background: var(--paper);
  border: 1px solid var(--ink-soft);
  padding: 28px 28px 26px;
  position: relative;
  min-height: 280px;
}

.quad::before {
  content: attr(data-num);
  position: absolute;
  top: -10px;
  left: 20px;
  background: var(--paper);
  padding: 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--rust);
  font-weight: 600;
}

.quad-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--ink-soft);
}
.quad-head h3 {
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 500;
  color: var(--moss-deep);
  letter-spacing: -0.01em;
}
.quad-head .quad-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--ink-soft);
}

.quad ul { list-style: none; }
.quad ul li {
  padding: 9px 0;
  font-size: 14px;
  line-height: 1.6;
  position: relative;
  padding-left: 22px;
  border-bottom: 1px dotted var(--lichen);
}
.quad ul li:last-child { border-bottom: none; }
.quad ul li::before {
  content: "❋";
  position: absolute;
  left: 0;
  top: 8px;
  color: var(--rust);
  font-size: 11px;
}

.quad-2 ul li::before {
  content: "λ";
  font-family: var(--font-display);
  font-style: italic;
  color: var(--moss);
}
.quad-3 ul li::before {
  content: "⚠";
  color: var(--status-warn);
  font-size: 10px;
}
.quad-4 ul li::before {
  content: "§";
  color: var(--moss-deep);
  font-family: var(--font-display);
  font-style: italic;
}

.case-source {
  display: block;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 12px;
  color: var(--ink-soft);
  margin-top: 3px;
}

.quad-2 p {
  font-family: var(--font-display);
  font-size: 15px;
  line-height: 1.65;
  color: var(--ink);
  font-style: italic;
}

/* =============== PROCESSING PARAMS =============== */

.params-section {
  background: var(--mist);
  border: 1px solid var(--sage);
  padding: 32px 36px;
  margin-bottom: 48px;
}

.params-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 24px;
}
.params-head h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 500;
}
.params-head .stamp-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--rust);
  border: 1px solid var(--rust);
  padding: 4px 12px;
  text-transform: uppercase;
}

.params-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.param-cell {
  border-left: 2px solid var(--moss-deep);
  padding-left: 16px;
}
.param-cell .param-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 6px;
}
.param-cell .param-value {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--moss-deep);
  font-weight: 500;
  line-height: 1.3;
}

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

.empty-state {
  text-align: center;
  padding: 80px 20px;
  border: 1px dashed var(--sage);
  background: var(--paper);
}
.empty-state .empty-icon {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 3rem;
  color: var(--sage);
  margin-bottom: 16px;
}
.empty-state p {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.1rem;
  color: var(--ink-soft);
}

/* =============== FOOTER =============== */

.footer {
  margin-top: 80px;
  padding-top: 32px;
  border-top: 1px solid var(--moss-deep);
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 36px;
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.7;
}
.footer h5 {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--moss-deep);
  margin-bottom: 10px;
  font-weight: 700;
}
.footer .sig {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 13px;
  color: var(--moss-deep);
}

/* =============== RESPONSIVE =============== */

@media (max-width: 1024px) {
  .shell { padding: 24px 28px 60px; }
  .selector-grid { grid-template-columns: repeat(2, 1fr); }
  .tea-grid { grid-template-columns: 1fr; gap: 32px; }
  .quad-grid { grid-template-columns: 1fr; }
  .shield-grid { grid-template-columns: 1fr 1fr; }
  .params-grid { grid-template-columns: 1fr 1fr; }
  .intro { grid-template-columns: 1fr; gap: 32px; }
  .masthead { grid-template-columns: auto auto; }
  .masthead-tag { display: none; }
}

@media (max-width: 640px) {
  .shell { padding: 20px 18px 48px; }
  .selector-grid { grid-template-columns: 1fr; }
  .shield-grid { grid-template-columns: 1fr; }
  .params-grid { grid-template-columns: 1fr; }
  .tea-kpi-row { grid-template-columns: 1fr; gap: 16px; }
  .specimen-banner { grid-template-columns: 1fr; gap: 16px; text-align: left; }
  .banner-id { text-align: left; border-left: none; border-top: 1px solid var(--sage); padding-left: 0; padding-top: 12px; }
  .footer { grid-template-columns: 1fr; }
  .tea-section { padding: 28px 20px; }
  .quad { padding: 24px 20px; }
  h1 { font-size: 2.4rem; }
}

/* ============================================================
   NUTRITION TABLE — banner
   ============================================================ */

.banner-nutrition {
  grid-column: 1 / -1;
  margin-top: 20px;
  background: var(--moss-deep);
  border: none;
  border-radius: 4px;
  padding: 24px 32px;
  box-shadow: 0 8px 24px rgba(28, 48, 25, 0.15);
}

.nutr-header {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--paper);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1.5px solid var(--sage);
}

.nutr-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 8px 24px;
}

.nutr-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 12px;
  font-size: 13px;
  border-radius: 3px;
}

.nutr-row.is-highlight {
  background: rgba(201, 130, 31, 0.15); /* light amber tint */
  border-left: 3px solid var(--amber);
}

.nutr-row.is-highlight .nutr-label {
  color: var(--paper);
  font-weight: 600;
}

.nutr-row.is-highlight .nutr-value {
  color: var(--amber);
}

.nutr-indent .nutr-label {
  padding-left: 14px;
  color: var(--sage);
  font-size: 12px;
}

.nutr-label {
  color: var(--mist);
  font-weight: 500;
}

.nutr-value {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--paper);
  white-space: nowrap;
  margin-left: 8px;
}

/* ============================================================
   SPECIMEN CARD — nutrition strip
   ============================================================ */

.spec-nutrition {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 12px;
  margin: 8px 0 4px;
}

.spec-nutrition span {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-soft);
  letter-spacing: 0.03em;
}

/* ============================================================
   COMMERCIAL APP BUTTONS — Quadrant I
   ============================================================ */

#quad-commercial {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.comm-app-btn {
  width: 100%;
  background: transparent;
  border: 1px solid var(--bone);
  padding: 10px 14px;
  text-align: left;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: border-color 0.2s, background 0.2s;
  font-family: var(--font-mono);
}

.comm-app-btn:hover,
.comm-app-btn:focus-visible {
  border-color: var(--amber);
  background: rgba(201, 130, 31, 0.06);
  outline: none;
}

.comm-app-btn.is-active {
  border-color: var(--amber);
  background: rgba(201, 130, 31, 0.10);
}

.comm-app-name {
  font-size: 14px;
  color: var(--ink);
  font-weight: 500;
}

.comm-app-hint {
  font-size: 11px;
  color: var(--amber);
  letter-spacing: 0.04em;
}

/* ============================================================
   COMMERCIAL PROFIT GRAPH PANEL
   ============================================================ */

.comm-graph-panel {
  display: none;
  margin: 0 0 40px;
  border: 1.5px solid var(--bone);
  border-top: 4px solid var(--amber);
  background: #ffffff;
  position: relative;
  border-radius: 2px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}

.comm-graph-panel.is-open {
  display: block;
  animation: fadeSlideIn 0.3s ease;
}

@keyframes fadeSlideIn {
  from { opacity: 0; transform: translateY(-12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.comm-graph-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 22px 32px 18px;
  border-bottom: 1.5px solid var(--bone);
  background: var(--mist);
}

.comm-graph-head h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--moss-deep);
  margin-top: 4px;
}

.comm-graph-close {
  background: transparent;
  border: 1px solid var(--sage);
  color: var(--sage);
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 13px;
  flex-shrink: 0;
  margin-top: 4px;
  transition: border-color 0.15s, color 0.15s;
}

.comm-graph-close:hover {
  border-color: var(--rust);
  color: var(--rust);
}

.comm-graph-body {
  padding: 24px 32px 28px;
}

.comm-graph-controls {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px 32px;
  margin-bottom: 24px;
}

.comm-graph-controls-3 {
  grid-template-columns: 1fr 1fr 1fr;
}

.comm-hint {
  font-size: 11px;
  color: var(--amber);
  letter-spacing: 0.05em;
  margin-top: 6px;
}

.comm-kpi-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 24px;
}

/* ============================================================
   RESPONSIVE — new elements
   ============================================================ */

@media (max-width: 768px) {
  .comm-graph-controls,
  .comm-graph-controls-3 { grid-template-columns: 1fr; }
  .comm-kpi-row { grid-template-columns: 1fr; gap: 12px; }
  .comm-graph-head,
  .comm-graph-body { padding-left: 20px; padding-right: 20px; }
  .nutr-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .spec-nutrition { flex-direction: column; gap: 2px; }
}

/* ============================================================
   REGULATORY SOURCES DIRECTORY
   ============================================================ */

.reg-directory {
  border-top: 2px solid var(--moss-deep);
  padding: 48px 0 80px;
  margin-top: 0;
}

.reg-directory-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px dashed var(--sage);
}

.reg-directory-head h3 {
  font-size: 1.5rem;
  font-weight: 500;
  margin: 6px 0 10px;
}

.reg-directory-sub {
  font-size: 14px;
  color: var(--ink-soft);
  max-width: 640px;
  line-height: 1.7;
}

.reg-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}

.reg-card {
  background: var(--paper);
  border: 1px solid var(--bone);
  border-top: 3px solid var(--moss-deep);
  padding: 22px 20px 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.reg-card-head {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.reg-badge {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  font-weight: 700;
  color: var(--paper);
  background: var(--moss-deep);
  padding: 3px 8px;
  flex-shrink: 0;
  margin-top: 2px;
}

.reg-card h4 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--moss-deep);
  line-height: 1.25;
}

.reg-card p {
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.65;
  flex: 1;
}

.reg-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.reg-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
  border: 1px solid var(--bone);
  padding: 2px 8px;
}

.reg-link {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--moss);
  text-decoration: none;
  border-bottom: 1px dashed var(--sage);
  padding-bottom: 1px;
  display: inline-block;
  margin-top: 4px;
  transition: color 0.15s, border-color 0.15s;
}

.reg-link:hover {
  color: var(--rust);
  border-color: var(--rust);
}

.reg-footer-note {
  font-size: 12px;
  color: var(--ink-soft);
  line-height: 1.7;
  border-top: 1px dotted var(--sage);
  padding-top: 20px;
  font-style: italic;
}

/* Footer — single column after removal of Status and Verification cells */
.footer {
  grid-template-columns: 1fr;
}

@media (max-width: 1024px) {
  .reg-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .reg-grid { grid-template-columns: 1fr; }
  .reg-directory-head { flex-direction: column; gap: 16px; }
}

/* ============================================================
   REFACTOR ADDITIONS — v3
   New UI affordances introduced during the refactor:
   clamp-warning badges, capped-input state, decorative
   botanical/grid corner sketches, cost-cap disclaimer,
   loss-tinted KPI cards, and slider micro-interactions.
   ============================================================ */

/* --- Range slider: visible, themed, harmonized with number input --- */
.tea-field input[type="range"] {
  width: 100%;
  margin-top: 12px;
  -webkit-appearance: none;
  appearance: none;
  height: 4px;
  background: var(--bone);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}
.tea-field input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--amber);
  border: 2px solid var(--paper);
  box-shadow: 0 0 0 1.5px var(--moss-deep);
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}
.tea-field input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}
.tea-field input[type="range"]:active::-webkit-slider-thumb {
  transform: scale(1.05);
  box-shadow: 0 0 0 4px rgba(201,130,31,0.25), 0 0 0 1.5px var(--moss-deep);
}
.tea-field input[type="range"]::-moz-range-thumb {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--amber);
  border: 2px solid var(--paper);
  box-shadow: 0 0 0 1.5px var(--moss-deep);
  cursor: pointer;
}
.tea-field input[type="range"]::-moz-range-track {
  height: 4px;
  background: var(--bone);
  border-radius: 2px;
}

/* --- Capped-input state: rust/amber border when a clamp fires --- */
.tea-field input[type="number"].input-capped,
.tea-field input[type="number"].input-capped:focus {
  border-color: var(--rust);
  background: #fdf0ec;
  box-shadow: 0 0 0 3px rgba(168,67,14,0.14);
}

/* --- Temporary clamp-warning micro-copy badge --- */
.clamp-warn {
  display: block;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.5;
  letter-spacing: 0.02em;
  color: var(--rust);
  background: rgba(168,67,14,0.07);
  border-left: 3px solid var(--rust);
  padding: 6px 10px;
  border-radius: 2px;
  opacity: 0;
  transform: translateY(-4px);
  max-height: 0;
  overflow: hidden;
  transition: opacity 0.2s ease, transform 0.2s ease, max-height 0.2s ease;
  pointer-events: none;
}
.clamp-warn.is-visible {
  opacity: 1;
  transform: translateY(0);
  max-height: 120px;
}

/* --- Cost-cap disclaimer inside the scenario matrix --- */
.cost-cap-note {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin-top: 22px;
  padding: 14px 18px;
  background: rgba(201,130,31,0.08);
  border: 1px solid var(--amber);
  border-left: 4px solid var(--amber);
  border-radius: 2px;
}
.cost-cap-note-mark {
  font-size: 16px;
  line-height: 1.4;
  color: var(--amber);
  flex-shrink: 0;
}
.cost-cap-note p {
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--ink-soft);
}
.cost-cap-note strong { color: var(--rust); font-weight: 700; }
.cost-cap-note em { font-style: italic; color: var(--moss-deep); }

/* --- Quadrant I affordance line --- */
.quad-affordance {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dotted var(--lichen);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--amber);
  line-height: 1.6;
}

/* --- Elevated hover for the commercial-app buttons (Quadrant I) --- */
.comm-app-btn {
  transition: border-color 0.18s ease, background 0.18s ease,
              transform 0.18s ease, box-shadow 0.18s ease;
}
.comm-app-btn:hover,
.comm-app-btn:focus-visible {
  transform: translate(-2px, -2px);
  box-shadow: 3px 3px 0 var(--amber);
}
.comm-app-btn:active {
  transform: translate(-1px, -1px);
  box-shadow: 1px 1px 0 var(--amber);
}
.comm-app-btn .comm-app-hint::after { content: ""; }

/* --- Loss-tinted KPI card (driven by .is-loss-kpi from app.js) --- */
.tea-kpi.is-profit.is-loss-kpi {
  background: #fdf0ec;
  border-color: #d6856a;
}
.tea-kpi.is-profit.is-loss-kpi .k-value { color: #c0390e; }

/* --- Decorative corner sketches: low-opacity vector line drawings --- */
.shield-section,
.tea-section { overflow: hidden; }

.corner-sketch {
  position: absolute;
  width: 120px;
  height: 120px;
  pointer-events: none;
  fill: none;
  stroke: var(--moss-deep);
  stroke-width: 1.1;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 0.10;
}
.corner-sketch-tr { top: 10px;    right: 14px; }
.corner-sketch-br { bottom: 10px; right: 14px; }

@media (max-width: 640px) {
  .corner-sketch { width: 84px; height: 84px; opacity: 0.07; }
  .cost-cap-note { padding: 12px 14px; }
}

/* --- Catalog grid: gracefully handle a 5th/6th specimen card --- */
@media (min-width: 1025px) {
  .selector-grid { grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); }
}