/* ======================================================================
   AKFA PLAST AI LABORATORY 0.6.0
   Calculator-specific visual system, themed engineering workspace,
   grouped inputs and scenario analysis.
   ====================================================================== */

:root {
  --calc-accent: #ee2b31;
  --calc-accent-2: #ff765f;
  --calc-soft: #fff3f2;
  --calc-pale: #ffe0dc;
  --calc-ink: #351413;
  --calc-dark: #1e1111;
  --v6-ease: cubic-bezier(.2,.75,.2,1);
}

/* Brand lockup --------------------------------------------------------- */
.brand-v5 {
  min-width: 272px;
  gap: 15px;
}
.brand-v5 .brand-logo {
  width: clamp(126px, 8.9vw, 158px);
  flex: 0 0 auto;
}
.brand-plast-lockup {
  min-width: 90px;
  gap: 5px;
  padding-left: 16px;
  border-left-color: rgba(22, 22, 25, .16);
}
.brand-plast-lockup strong {
  color: #202024;
  font-size: 16px;
  font-weight: 900;
  letter-spacing: -.025em;
  text-transform: none;
}
.brand-plast-lockup small {
  color: #ee2930;
  font: 850 7px/1.1 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  letter-spacing: .145em;
  white-space: nowrap;
}
.footer-brand {
  align-items: center;
  gap: 14px;
}
.footer-brand span {
  display: grid;
  gap: 4px;
  padding-left: 14px;
  border-left: 1px solid rgba(255,255,255,.16);
}
.footer-brand span b {
  color: #fff;
  font-size: 15px;
  line-height: 1;
}
.footer-brand span small {
  color: #ff7278;
  font: 800 7px/1.2 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: .12em;
}

/* Calculator catalog -------------------------------------------------- */
.calculator-grid {
  align-items: stretch;
}
.calculator-card-v6 {
  --card-accent: var(--calc-accent);
  min-height: 430px;
  display: grid;
  grid-template-rows: 164px auto minmax(0,1fr) auto;
  isolation: isolate;
  border-color: color-mix(in srgb, var(--calc-accent) 13%, #dfe2e5);
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--calc-soft) 76%, #fff) 0 168px, #fff 168px),
    #fff;
  overflow: hidden;
  contain: layout paint;
}
.calculator-card-v6::before {
  inset: 0 0 auto;
  height: 4px;
  opacity: 1;
  background: linear-gradient(90deg, var(--calc-accent), var(--calc-accent-2), transparent 82%);
}
.calculator-card-v6::after {
  content: "";
  position: absolute;
  z-index: 0;
  width: 170px;
  height: 170px;
  right: -72px;
  top: -72px;
  border-radius: 50%;
  background: var(--calc-accent);
  opacity: .055;
  filter: blur(1px);
  transition: transform .65s var(--v6-ease), opacity .4s ease;
}
.calculator-card-v6:hover {
  border-color: color-mix(in srgb, var(--calc-accent) 35%, #d4d7da);
  box-shadow: 0 34px 74px color-mix(in srgb, var(--calc-ink) 14%, transparent);
}
.calculator-card-v6:hover::after {
  transform: scale(1.35);
  opacity: .085;
}
.calculator-card-v6.is-featured {
  border-color: color-mix(in srgb, var(--calc-accent) 28%, #ddd);
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--calc-soft) 86%, #fff) 0 168px, #fff 168px),
    #fff;
}
.calculator-card-v6.is-featured::after { content: ""; }
.calculator-card-v6 .card-grid-pattern {
  z-index: 0;
  inset: 0;
  opacity: .42;
  background-image:
    linear-gradient(color-mix(in srgb, var(--calc-ink) 7%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--calc-ink) 7%, transparent) 1px, transparent 1px);
  background-size: 24px 24px;
  mask-image: linear-gradient(#000 0 165px, transparent 235px);
}
.calculator-card-v6 .card-glare {
  z-index: 1;
  background: radial-gradient(circle at var(--glare-x, 50%) var(--glare-y, 20%), color-mix(in srgb, var(--calc-accent) 22%, transparent), transparent 42%);
}
.calculator-card-visual {
  position: relative;
  z-index: 1;
  grid-row: 1;
  width: 100%;
  height: 164px;
  padding: 9px 10px 0;
  pointer-events: none;
  overflow: hidden;
}
.calculator-card-visual svg {
  width: 100%;
  height: 100%;
  display: block;
  overflow: visible;
  transform: translateZ(0) scale(1.005);
  transform-origin: 50% 58%;
  transition: transform .7s var(--v6-ease), filter .5s ease;
}
.calculator-card-v6:hover .calculator-card-visual svg {
  transform: translateZ(0) scale(1.045) translateY(-2px);
  filter: saturate(1.07) contrast(1.02);
}
.calculator-card-v6 .card-topline {
  z-index: 3;
  grid-row: 2;
  padding: 12px 17px 0;
}
.calculator-card-v6 .card-index {
  color: color-mix(in srgb, var(--calc-accent) 78%, #80858b);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-weight: 900;
  letter-spacing: .08em;
}
.calculator-card-v6 .card-ai-chip {
  border-color: color-mix(in srgb, var(--calc-accent) 24%, transparent);
  background: color-mix(in srgb, var(--calc-soft) 78%, #fff);
  color: var(--calc-accent);
}
.calculator-card-v6 .favorite-button {
  border-color: color-mix(in srgb, var(--calc-accent) 12%, #dfe2e5);
  background: color-mix(in srgb, var(--calc-soft) 30%, #fff);
}
.calculator-card-v6 .favorite-button:hover,
.calculator-card-v6 .favorite-button.is-active {
  border-color: var(--calc-accent);
  background: var(--calc-accent);
}
.calculator-card-v6 .card-main {
  z-index: 3;
  grid-row: 3;
  min-height: 0;
  padding: 12px 17px 20px;
}
.calculator-card-v6 .calculator-icon {
  width: 42px;
  height: 42px;
  margin-bottom: 7px;
  border-color: color-mix(in srgb, var(--calc-accent) 22%, transparent);
  background: var(--calc-soft);
  color: var(--calc-accent);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.75);
}
.calculator-card-v6:hover .calculator-icon {
  background: var(--calc-accent);
  color: #fff;
}
.calculator-card-v6 .card-category {
  color: var(--calc-accent);
  font-size: 7px;
  letter-spacing: .13em;
}
.calculator-card-v6 .card-main h3 {
  margin: 7px 0 9px;
  color: #202024;
  font-size: clamp(18px, 1.35vw, 22px);
  line-height: 1.06;
}
.calculator-card-v6 .card-main p {
  color: #777b83;
  font-size: 10.5px;
  line-height: 1.55;
}
.calculator-card-v6 .card-footer {
  z-index: 3;
  grid-row: 4;
  min-height: 60px;
  padding: 11px 12px 11px 17px;
  border-top-color: color-mix(in srgb, var(--calc-accent) 10%, #e1e3e6);
  background: rgba(255,255,255,.74);
  backdrop-filter: blur(10px);
}
.calculator-card-v6 .card-footer small { color: color-mix(in srgb, var(--calc-accent) 70%, #8b8f95); }
.calculator-card-v6 .card-arrow {
  border-color: color-mix(in srgb, var(--calc-accent) 15%, #dfe1e4);
  background: var(--calc-soft);
  color: var(--calc-accent);
}
.calculator-card-v6:hover .card-arrow {
  border-color: var(--calc-accent);
  background: var(--calc-accent);
  color: #fff;
}

/* Per-theme visual accents beyond palette ------------------------------ */
.calculator-card-v6[data-calculator-theme="thermal"] .calculator-card-visual,
.calculator-card-v6[data-calculator-theme="solar"] .calculator-card-visual,
.calculator-card-v6[data-calculator-theme="expansion"] .calculator-card-visual {
  background: radial-gradient(circle at 48% 52%, color-mix(in srgb, var(--calc-accent) 11%, transparent), transparent 57%);
}
.calculator-card-v6[data-calculator-theme="dewpoint"] .calculator-card-visual,
.calculator-card-v6[data-calculator-theme="glass"] .calculator-card-visual,
.calculator-card-v6[data-calculator-theme="foam"] .calculator-card-visual {
  background: radial-gradient(ellipse at 50% 100%, color-mix(in srgb, var(--calc-accent-2) 14%, transparent), transparent 62%);
}
.calculator-card-v6[data-calculator-theme="oee"] .calculator-card-visual,
.calculator-card-v6[data-calculator-theme="capacity"] .calculator-card-visual,
.calculator-card-v6[data-calculator-theme="margin"] .calculator-card-visual {
  background: linear-gradient(135deg, color-mix(in srgb, var(--calc-soft) 65%, transparent), transparent 72%);
}

/* SVG motion system ---------------------------------------------------- */
.visual-flow-lines path,
.live-wind-field path {
  stroke-dasharray: 18 10;
  animation: v6-flow 3.6s linear infinite;
}
.visual-droplets circle {
  transform-box: fill-box;
  transform-origin: center;
  animation: v6-float 2.8s ease-in-out infinite alternate;
}
.visual-droplets circle:nth-child(2n) { animation-delay: -.9s; }
.live-energy-points circle {
  transform-box: fill-box;
  transform-origin: center;
  animation: v6-pulse 2.2s ease-in-out infinite;
}
.live-energy-points circle:nth-child(2n) { animation-delay: -.7s; }
@keyframes v6-flow { to { stroke-dashoffset: -56; } }
@keyframes v6-float { to { transform: translateY(-7px) scale(1.08); opacity: .72; } }
@keyframes v6-pulse { 50% { transform: scale(1.38); opacity: .55; } }

/* Compact view --------------------------------------------------------- */
.calculator-grid.is-compact .calculator-card-v6 {
  min-height: 132px;
  grid-template-columns: 150px 1fr auto;
  grid-template-rows: auto 1fr;
  background: #fff;
}
.calculator-grid.is-compact .calculator-card-visual {
  grid-column: 1;
  grid-row: 1 / 3;
  height: 132px;
  padding: 6px;
  border-right: 1px solid color-mix(in srgb, var(--calc-accent) 12%, #e4e6e8);
  background: var(--calc-soft);
}
.calculator-grid.is-compact .card-topline {
  grid-column: 2 / 4;
  grid-row: 1;
  padding: 12px 14px 0;
}
.calculator-grid.is-compact .card-main {
  grid-column: 2;
  grid-row: 2;
  padding: 6px 14px 14px;
}
.calculator-grid.is-compact .card-footer {
  grid-column: 3;
  grid-row: 2;
  align-self: stretch;
  min-width: 125px;
  border-top: 0;
  border-left: 1px solid color-mix(in srgb, var(--calc-accent) 10%, #e5e7e9);
}
.calculator-grid.is-compact .calculator-icon,
.calculator-grid.is-compact .card-main p { display: none; }
.calculator-grid.is-compact .card-main h3 { margin: 4px 0; font-size: 16px; }

/* Themed workspace ----------------------------------------------------- */
.workspace-shell {
  border-color: color-mix(in srgb, var(--calc-accent) 20%, rgba(255,255,255,.16));
}
.workspace-header {
  background:
    linear-gradient(90deg, color-mix(in srgb, var(--calc-soft) 58%, #fff), rgba(255,255,255,.98) 42%),
    #fff;
}
.workspace-heading span,
.form-column-head small,
.result-header > span,
.preset-panel-head span {
  color: var(--calc-accent);
}
.workspace-progress span.is-active i {
  border-color: var(--calc-accent);
  background: var(--calc-accent);
}
.workspace-progress em::after,
.project-field i,
.field-progress i,
.main-result::before,
.main-result footer i,
.result-metric::before {
  background: linear-gradient(90deg, var(--calc-accent), var(--calc-accent-2));
}
.workspace-header-actions button:hover {
  border-color: color-mix(in srgb, var(--calc-accent) 35%, #ddd);
  background: var(--calc-soft);
  color: var(--calc-accent);
}
.workspace-context {
  border-right-color: rgba(255,255,255,.08);
  background:
    radial-gradient(circle at 18% 13%, color-mix(in srgb, var(--calc-accent) 30%, transparent), transparent 31%),
    radial-gradient(circle at 90% 75%, color-mix(in srgb, var(--calc-accent-2) 14%, transparent), transparent 36%),
    var(--calc-dark);
}
.workspace-icon {
  border-color: color-mix(in srgb, var(--calc-accent) 50%, transparent);
  background: color-mix(in srgb, var(--calc-accent) 22%, transparent);
  color: color-mix(in srgb, var(--calc-accent-2) 82%, #fff);
}
.model-card-head small,
.context-warning svg { color: var(--calc-accent-2); }
.workspace-form-column {
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--calc-soft) 52%, #f7f8f9), #f7f8f9 270px);
}
.workspace-result-column {
  background: linear-gradient(180deg, color-mix(in srgb, var(--calc-soft) 30%, #fff), #fff 300px);
}

/* Live visual ---------------------------------------------------------- */
.workspace-visual-stage {
  position: relative;
  margin: 18px 0 15px;
  border: 1px solid rgba(255,255,255,.11);
  border-radius: 18px;
  background:
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px),
    rgba(255,255,255,.04);
  background-size: 20px 20px;
  overflow: hidden;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.05);
}
.workspace-visual-stage::before {
  content: "";
  position: absolute;
  z-index: 0;
  inset: -30% -70%;
  background: linear-gradient(105deg, transparent 42%, color-mix(in srgb, var(--calc-accent) 22%, transparent) 49%, transparent 56%);
  transform: translateX(-40%);
  animation: v6-scan 5.8s ease-in-out infinite;
  pointer-events: none;
}
@keyframes v6-scan { 0%,12% { transform: translateX(-38%); } 75%,100% { transform: translateX(42%); } }
.workspace-live-visual {
  position: relative;
  z-index: 1;
  min-height: 300px;
  padding: 14px;
}
.live-visual-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}
.live-visual-head > div { display: grid; gap: 4px; }
.live-visual-head small {
  color: color-mix(in srgb, var(--calc-accent-2) 82%, #fff);
  font: 800 6.5px/1.2 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: .13em;
}
.live-visual-head strong {
  color: #fff;
  font-size: 10px;
  line-height: 1.25;
}
.live-visual-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 8px;
  border: 1px solid rgba(255,255,255,.11);
  border-radius: 999px;
  background: rgba(255,255,255,.05);
  color: rgba(255,255,255,.56);
  font-size: 6px;
  font-weight: 850;
  text-transform: uppercase;
}
.live-visual-status i { width: 5px; height: 5px; border-radius: 50%; background: #8b9298; }
.live-visual-status.is-normal { color: #8ae2b6; }
.live-visual-status.is-normal i { background: #29c879; box-shadow: 0 0 12px #29c879; }
.live-visual-status.is-attention { color: #ffd481; }
.live-visual-status.is-attention i { background: #eaa52b; box-shadow: 0 0 12px #eaa52b; }
.live-visual-status.is-risk { color: #ff8e94; }
.live-visual-status.is-risk i { background: #ef3b44; box-shadow: 0 0 12px #ef3b44; }
.live-visual-canvas {
  position: relative;
  min-height: 143px;
  border-radius: 13px;
  overflow: hidden;
  background: rgba(255,255,255,.96);
  box-shadow: 0 12px 34px rgba(0,0,0,.18);
}
.live-visual-canvas svg { width: 100%; height: auto; display: block; }
.live-visual-narrative {
  margin: 8px 2px 0;
  color: rgba(255,255,255,.58);
  font-size: 7px;
  line-height: 1.45;
}
.live-visual-readouts {
  display: grid;
  grid-template-columns: repeat(3,minmax(0,1fr));
  gap: 6px;
  margin-top: 8px;
}
.live-readout {
  min-width: 0;
  display: grid;
  gap: 3px;
  padding: 9px;
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 10px;
  background: rgba(255,255,255,.045);
}
.live-readout.is-main { background: color-mix(in srgb, var(--calc-accent) 18%, rgba(255,255,255,.04)); }
.live-readout span { overflow: hidden; color: rgba(255,255,255,.42); font-size: 5.8px; white-space: nowrap; text-overflow: ellipsis; }
.live-readout strong { overflow: hidden; color: #fff; font: 850 11px/1 ui-monospace, SFMono-Regular, Menlo, monospace; white-space: nowrap; text-overflow: ellipsis; }
.live-readout small { overflow: hidden; color: color-mix(in srgb, var(--calc-accent-2) 70%, #fff); font-size: 5.8px; white-space: nowrap; text-overflow: ellipsis; }

/* Grouped form --------------------------------------------------------- */
.fields-grid-v6 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 13px;
}
.field-group {
  position: relative;
  padding: 13px;
  border: 1px solid color-mix(in srgb, var(--calc-accent) 10%, #dfe2e5);
  border-radius: 18px;
  background: rgba(255,255,255,.82);
  box-shadow: 0 10px 28px rgba(31,32,36,.035);
  overflow: hidden;
}
.field-group::before {
  content: "";
  position: absolute;
  width: 100px;
  height: 100px;
  top: -65px;
  right: -55px;
  border-radius: 50%;
  background: var(--calc-accent);
  opacity: .04;
}
.field-group-head {
  position: relative;
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 10px;
}
.field-group-head span {
  display: grid;
  place-items: center;
  width: 27px;
  height: 27px;
  border-radius: 8px;
  background: var(--calc-soft);
  color: var(--calc-accent);
  font: 900 7px/1 ui-monospace, SFMono-Regular, Menlo, monospace;
}
.field-group-head strong {
  color: #27282c;
  font-size: 8.5px;
  letter-spacing: .015em;
}
.field-group-head i {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, color-mix(in srgb, var(--calc-accent) 25%, transparent), transparent);
}
.field-group-grid {
  display: grid;
  grid-template-columns: repeat(2,minmax(0,1fr));
  gap: 9px;
}
.field-group-grid .model-field {
  margin: 0;
  border-color: color-mix(in srgb, var(--calc-accent) 9%, #dfe2e5);
  box-shadow: none;
}
.field-group-grid .model-field.is-wide { grid-column: 1 / -1; }
.field-group-grid .model-field:focus-within {
  border-color: color-mix(in srgb, var(--calc-accent) 45%, #ddd);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--calc-accent) 7%, transparent);
}
.model-field-label em { color: var(--calc-accent); }
.number-shell:focus-within,
.select-shell:focus-within { border-color: color-mix(in srgb, var(--calc-accent) 42%, #ddd); }
.stepper-button:hover { background: var(--calc-soft); color: var(--calc-accent); }
.model-field.is-highlighted {
  animation: v6-highlight 1.25s ease;
}
@keyframes v6-highlight {
  0%,100% { box-shadow: 0 0 0 0 transparent; }
  35% { border-color: var(--calc-accent); box-shadow: 0 0 0 7px color-mix(in srgb, var(--calc-accent) 13%, transparent); }
}
.recalculate-button {
  border-color: var(--calc-dark);
  background: var(--calc-dark);
}
.recalculate-button:hover {
  border-color: var(--calc-accent);
  background: var(--calc-accent);
  box-shadow: 0 16px 35px color-mix(in srgb, var(--calc-accent) 28%, transparent);
}

/* Data-readiness ------------------------------------------------------- */
.calculation-readiness {
  margin: 14px 0 0;
  padding: 14px 15px;
  border: 1px solid color-mix(in srgb, var(--calc-accent) 12%, #dfe2e5);
  border-radius: 16px;
  background: rgba(255,255,255,.8);
}
.readiness-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
}
.readiness-head > span { display: grid; gap: 3px; }
.readiness-head small { color: var(--calc-accent); font-size: 6px; font-weight: 900; letter-spacing: .13em; }
.readiness-head strong { color: #27282c; font-size: 9px; }
.readiness-head > b { color: var(--calc-accent); font: 900 20px/1 ui-monospace, SFMono-Regular, Menlo, monospace; }
.readiness-track {
  height: 5px;
  margin: 11px 0 0;
  border-radius: 999px;
  background: #e8eaed;
  overflow: hidden;
}
.readiness-track i {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleX(1);
  transform-origin: left;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--calc-accent), var(--calc-accent-2));
  transition: transform .45s var(--v6-ease), background .3s ease;
}
.calculation-readiness[data-tone="ready"] .readiness-track i { background: linear-gradient(90deg,#159b60,#55ca86); }
.calculation-readiness[data-tone="attention"] .readiness-track i { background: linear-gradient(90deg,#de971f,#f5bf50); }
.calculation-readiness[data-tone="risk"] .readiness-track i { background: linear-gradient(90deg,#d52e37,#f25b62); }
.readiness-notes {
  display: grid;
  gap: 6px;
  margin-top: 10px;
}
.readiness-notes:empty { display: none; }
.readiness-notes span {
  display: flex;
  align-items: flex-start;
  gap: 7px;
  color: #74777e;
  font-size: 7px;
  line-height: 1.45;
}
.readiness-notes i { width: 5px; height: 5px; flex: 0 0 auto; margin-top: 3px; border-radius: 50%; background: #d79a26; }
.readiness-notes .is-risk i { background: #df3039; }

/* Result theme --------------------------------------------------------- */
.main-result {
  background:
    radial-gradient(circle at 88% 18%, color-mix(in srgb, var(--calc-accent) 34%, transparent), transparent 35%),
    linear-gradient(145deg, color-mix(in srgb, var(--calc-dark) 92%, #333), var(--calc-dark));
}
.result-pulse { border-color: color-mix(in srgb, var(--calc-accent) 45%, transparent); }
.result-pulse::before { border-color: color-mix(in srgb, var(--calc-accent) 25%, transparent); }
.result-pulse::after { background: var(--calc-accent); box-shadow: 0 0 22px var(--calc-accent); }
.baseline-panel {
  border-color: color-mix(in srgb, var(--calc-accent) 22%, #ddd);
  background: var(--calc-soft);
}
.result-metric { background: color-mix(in srgb, var(--calc-soft) 45%, #f4f5f6); }
.result-metric i { background: color-mix(in srgb, var(--calc-accent) 10%, transparent); }
.save-project-button {
  background: var(--calc-accent);
  box-shadow: 0 15px 34px color-mix(in srgb, var(--calc-accent) 24%, transparent);
}
.workspace-ai-card {
  border-color: color-mix(in srgb, var(--calc-accent) 20%, #ddd);
  background: linear-gradient(145deg, var(--calc-soft), #fff 68%);
}
.workspace-ai-card-head small { color: var(--calc-accent); }
.workspace-ai-card > button { background: var(--calc-dark); }
.workspace-ai-card > button:hover { background: var(--calc-accent); }

/* Analysis panels ------------------------------------------------------ */
.sensitivity-panel,
.scenario-panel,
.related-calculators {
  margin-top: 12px;
  padding: 14px;
  border: 1px solid color-mix(in srgb, var(--calc-accent) 11%, #dfe2e5);
  border-radius: 16px;
  background: #fff;
}
.analysis-panel-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 11px;
}
.analysis-panel-head > span { display: grid; gap: 3px; }
.analysis-panel-head small { color: var(--calc-accent); font-size: 5.8px; font-weight: 900; letter-spacing: .13em; }
.analysis-panel-head strong { color: #292a2e; font-size: 9px; }
.analysis-panel-head > em {
  padding: 5px 7px;
  border-radius: 7px;
  background: var(--calc-soft);
  color: var(--calc-accent);
  font: 850 7px/1 ui-monospace, SFMono-Regular, Menlo, monospace;
}
.analysis-panel-head > button {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 30px;
  padding: 0 9px;
  border: 1px solid color-mix(in srgb, var(--calc-accent) 20%, #ddd);
  border-radius: 8px;
  background: var(--calc-soft);
  color: var(--calc-accent);
  font-size: 7px;
  font-weight: 850;
  cursor: pointer;
}
.analysis-panel-head > button:hover { background: var(--calc-accent); color: #fff; }
.analysis-panel-head > button b { font-size: 14px; line-height: 1; }
.sensitivity-list { display: grid; gap: 8px; }
.sensitivity-row {
  width: 100%;
  display: grid;
  grid-template-columns: minmax(100px,.85fr) minmax(90px,1fr) 15px;
  align-items: center;
  gap: 9px;
  padding: 7px 0;
  border: 0;
  background: transparent;
  color: inherit;
  text-align: left;
  cursor: pointer;
}
.sensitivity-row > span { display: grid; gap: 2px; }
.sensitivity-row b { color: #37383c; font-size: 7.4px; }
.sensitivity-row small { color: #92959a; font-size: 6px; }
.sensitivity-row > i {
  height: 6px;
  border-radius: 999px;
  background: #eceef0;
  overflow: hidden;
}
.sensitivity-row > i em {
  display: block;
  width: var(--impact);
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--calc-accent), var(--calc-accent-2));
  transform: scaleX(0);
  transform-origin: left;
  animation: v6-impact .65s var(--v6-ease) forwards;
  animation-delay: var(--delay);
}
.sensitivity-row > u { color: var(--calc-accent); text-decoration: none; opacity: .45; }
.sensitivity-row:hover > u { opacity: 1; }
@keyframes v6-impact { to { transform: scaleX(1); } }
.sensitivity-panel > p { margin: 10px 0 0; color: #9a9ca1; font-size: 6px; line-height: 1.45; }
.scenario-list { display: grid; gap: 7px; }
.scenario-list > p { margin: 0; color: #8b8e94; font-size: 7px; line-height: 1.5; }
.scenario-item {
  display: grid;
  grid-template-columns: minmax(0,1fr) 27px;
  border: 1px solid #e5e7e9;
  border-radius: 11px;
  overflow: hidden;
  background: #fafbfb;
}
.scenario-open {
  min-width: 0;
  display: grid;
  grid-template-columns: 25px minmax(0,1fr) auto;
  align-items: center;
  gap: 8px;
  padding: 8px;
  border: 0;
  background: transparent;
  text-align: left;
  cursor: pointer;
}
.scenario-open > span {
  display: grid;
  place-items: center;
  width: 25px;
  height: 25px;
  border-radius: 7px;
  background: var(--calc-accent);
  color: #fff;
  font: 900 8px/1 ui-monospace, SFMono-Regular, Menlo, monospace;
}
.scenario-open > div { min-width: 0; display: grid; gap: 2px; }
.scenario-open small { overflow: hidden; color: #8a8d92; font-size: 5.8px; white-space: nowrap; text-overflow: ellipsis; }
.scenario-open strong { color: #292a2e; font-size: 9px; }
.scenario-open strong em { margin-left: 4px; color: #9a9ca1; font-size: 5.8px; font-style: normal; }
.scenario-open > b { color: #7e8187; font-size: 7px; }
.scenario-open > b.is-positive { color: #169b5d; }
.scenario-open > b.is-negative { color: #d7333c; }
.scenario-delete { border: 0; border-left: 1px solid #e5e7e9; background: #fff; color: #a0a2a7; cursor: pointer; }
.scenario-delete:hover { background: #fff0f1; color: #e12c35; }
.related-list { display: grid; gap: 6px; }
.related-list button {
  width: 100%;
  display: grid;
  grid-template-columns: 22px 27px minmax(0,1fr) auto 16px;
  align-items: center;
  gap: 8px;
  padding: 7px 8px;
  border: 1px solid #e4e6e8;
  border-radius: 10px;
  background: #fafbfb;
  text-align: left;
  cursor: pointer;
  transition: border-color .25s ease, background .25s ease, transform .25s ease;
}
.related-list button:hover {
  transform: translateX(3px);
  border-color: color-mix(in srgb, var(--calc-accent) 35%, #ddd);
  background: var(--calc-soft);
}
.related-list button > span { color: var(--calc-accent); font: 850 6px/1 ui-monospace, SFMono-Regular, Menlo, monospace; }
.related-list button > i { display: grid; place-items: center; width: 27px; height: 27px; border-radius: 7px; background: var(--calc-soft); color: var(--calc-accent); }
.related-list button > i svg { width: 14px; }
.related-list button > b { overflow: hidden; color: #34353a; font-size: 7.4px; white-space: nowrap; text-overflow: ellipsis; }
.related-list button > small { color: #91949a; font-size: 5.8px; }
.related-list button > em { color: var(--calc-accent); font-style: normal; }

/* Theme-aware status on result column --------------------------------- */
.workspace-result-column.status-normal .result-status i { background: #20b56e; }
.workspace-result-column.status-attention .result-status i { background: #e8a127; }
.workspace-result-column.status-risk .result-status i { background: #e2343d; }

/* Tablet --------------------------------------------------------------- */
@media (max-width: 1380px) {
  .calculator-grid { grid-template-columns: repeat(3,minmax(0,1fr)); }
  .calculator-card-v6 { min-height: 410px; }
  .workspace-live-visual { min-height: 276px; padding: 11px; }
  .live-visual-readouts { grid-template-columns: repeat(2,minmax(0,1fr)); }
}
@media (max-width: 1120px) {
  .brand-v5 { min-width: 230px; }
  .brand-plast-lockup { display: none; }
  .calculator-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .workspace-live-visual { min-height: 0; }
}

/* Mobile --------------------------------------------------------------- */
@media (max-width: 760px) {
  .brand-v5 { min-width: 0; gap: 8px; }
  .brand-v5 .brand-logo { width: 113px; }
  .brand-plast-lockup {
    display: grid;
    min-width: 63px;
    gap: 3px;
    padding-left: 9px;
  }
  .brand-plast-lockup strong { font-size: 12px; }
  .brand-plast-lockup small { font-size: 4.8px; letter-spacing: .08em; }
  .calculator-grid { grid-template-columns: 1fr; }
  .calculator-card-v6 {
    min-height: 390px;
    grid-template-rows: 155px auto minmax(0,1fr) auto;
  }
  .calculator-card-visual { height: 155px; }
  .calculator-card-v6 .card-main h3 { font-size: 22px; }
  .calculator-grid.is-compact .calculator-card-v6 {
    min-height: 120px;
    grid-template-columns: 112px 1fr;
    grid-template-rows: auto 1fr;
  }
  .calculator-grid.is-compact .calculator-card-visual { width: 112px; height: 120px; }
  .calculator-grid.is-compact .card-topline { grid-column: 2; }
  .calculator-grid.is-compact .card-main { grid-column: 2; }
  .calculator-grid.is-compact .card-footer { display: none; }
  .workspace-context { padding-bottom: 20px; }
  .workspace-visual-stage { margin: 15px 0; }
  .workspace-live-visual { min-height: 0; padding: 12px; }
  .live-visual-canvas { min-height: 0; }
  .live-visual-readouts { grid-template-columns: repeat(3,minmax(0,1fr)); }
  .field-group { padding: 11px; }
  .field-group-grid { grid-template-columns: 1fr; }
  .field-group-grid .model-field.is-wide { grid-column: auto; }
  .sensitivity-row { grid-template-columns: minmax(95px,1fr) minmax(80px,.8fr) 12px; }
  .related-list button { grid-template-columns: 20px 26px minmax(0,1fr) 15px; }
  .related-list button > small { display: none; }
}

/* Print ---------------------------------------------------------------- */
@media print {
  .workspace-visual-stage {
    border: 1px solid #d9dcdf;
    background: #fff !important;
  }
  .workspace-visual-stage::before { display: none; }
  .workspace-live-visual { min-height: 0; padding: 3mm; }
  .live-visual-head strong,
  .live-readout strong { color: #111; }
  .live-visual-head small,
  .live-visual-status,
  .live-readout span,
  .live-readout small { color: #555; }
  .live-readout { border-color: #ddd; background: #fff !important; }
  .calculation-readiness,
  .sensitivity-panel,
  .scenario-panel,
  .related-calculators { break-inside: avoid; }
}

/* Reduced motion ------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  .visual-flow-lines path,
  .live-wind-field path,
  .visual-droplets circle,
  .live-energy-points circle,
  .workspace-visual-stage::before,
  .sensitivity-row > i em { animation: none !important; }
  .calculator-card-visual svg,
  .calculator-card-v6::after { transition: none !important; }
}

/* Brand wording inherited from early layers */
.hero::after { content: "AKFA PLAST"; }

/* v0.6.0 final readability and narrow-screen hardening ---------------- */
.calculator-card-v6 .card-main p { font-size: 11.25px; line-height: 1.56; }
.live-visual-head small { font-size: 7.2px; }
.live-visual-head strong { font-size: 11.5px; }
.live-visual-status { font-size: 7px; }
.live-visual-narrative { font-size: 7.8px; }
.live-readout span,
.live-readout small { font-size: 6.5px; }
.live-readout strong { font-size: 11.8px; }

@media (max-width: 680px) {
  .hero-v5 h1 em {
    max-width: 100%;
    font-size: clamp(30px, 8.25vw, 38px);
    line-height: 1.03;
    letter-spacing: -.045em;
    overflow-wrap: anywhere;
  }
  .brand-plast-lockup strong { font-size: 14px; }
  .brand-plast-lockup small { font-size: 6px; letter-spacing: .085em; }
}

/* Mobile methodology disclosure --------------------------------------- */
.mobile-context-toggle { display: none; }

@media (max-width: 680px) {
  .hero-v5 h1 {
    font-size: clamp(40px, 11.6vw, 48px);
    line-height: .96;
    letter-spacing: -.062em;
  }
  .hero-v5 h1 em {
    font-size: .78em;
    line-height: 1.04;
    letter-spacing: -.038em;
  }
  .mobile-context-toggle {
    width: 100%;
    min-height: 42px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin: 2px 0 0;
    padding: 0 13px;
    border: 1px solid rgba(255,255,255,.13);
    border-radius: 12px;
    background: rgba(255,255,255,.055);
    color: rgba(255,255,255,.82);
    font-size: 8px;
    font-weight: 850;
    letter-spacing: .02em;
    cursor: pointer;
  }
  .mobile-context-toggle svg {
    width: 16px;
    fill: none;
    stroke: var(--calc-accent-2);
    stroke-width: 1.8;
    transition: transform .25s ease;
  }
  .workspace-context .model-card,
  .workspace-context .limitation-card,
  .workspace-context .context-warning { display: none; }
  .workspace-context.is-mobile-expanded .model-card,
  .workspace-context.is-mobile-expanded .limitation-card,
  .workspace-context.is-mobile-expanded .context-warning { display: block; }
  .workspace-context.is-mobile-expanded .context-warning { display: flex; }
  .workspace-context.is-mobile-expanded .mobile-context-toggle svg { transform: rotate(180deg); }
}

/* v0.6.0 mobile typography correction ----------------------------------- */
@media (max-width: 680px) {
  .hero-v5 h1 {
    max-width: 100%;
    font-size: clamp(40px, 12.25vw, 50px);
    line-height: .95;
    letter-spacing: -.065em;
  }
  .hero-v5 h1 em {
    max-width: 100%;
    font-size: .82em;
    line-height: 1.02;
    letter-spacing: -.045em;
    overflow-wrap: anywhere;
  }
}