:root {
  --ink: #14201c;
  --muted: #5a6b64;
  --line: #d5ddd8;
  --paper: #f3f1ea;
  --panel: #fffcf7;
  --accent: #0f6b4c;
  --accent-2: #c45c26;
  --plate: #cfd8d2;
  --part: #1a7a58;
  --kerf: rgba(196, 92, 38, 0.45);
  --shadow: 0 18px 40px rgba(20, 32, 28, 0.08);
  --radius: 18px;
  --font: "DM Sans", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: var(--font);
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 10% -10%, #e7efe9 0%, transparent 55%),
    radial-gradient(900px 500px at 100% 0%, #f3e4d6 0%, transparent 50%),
    var(--paper);
}

.bg-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.35;
  background-image:
    linear-gradient(rgba(20,32,28,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20,32,28,0.04) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
}

.top {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.5rem 0.5rem;
  position: relative;
}
.brand { display: flex; gap: 0.85rem; align-items: center; }
.brand-mark {
  width: 3rem; height: 3rem; border-radius: 12px;
  display: grid; place-items: center;
  background: linear-gradient(145deg, #0f6b4c, #174a3a);
  color: #f7f3ea; font-weight: 700; letter-spacing: 0.02em;
  box-shadow: var(--shadow);
}
.brand-text { display: flex; flex-direction: column; gap: 0.1rem; }
.brand-text strong { font-size: 1.2rem; letter-spacing: -0.02em; line-height: 1.2; }
.brand-text span, .top-note { color: var(--muted); font-size: 0.9rem; }
.top-note { max-width: 22rem; margin: 0; }
.beta-pill {
  display: inline-block;
  margin-right: 0.4rem;
  padding: 0.14rem 0.5rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  color: #7a3d12;
  background: #fff4ea;
  border: 1px solid #e0b089;
  vertical-align: 0.05em;
}
.top-note { max-width: 26rem; }

.layout {
  display: grid;
  grid-template-columns: minmax(280px, 380px) minmax(0, 1fr);
  gap: 1.25rem;
  padding: 1rem 1.5rem 2rem;
  position: relative;
  align-items: start;
}
/* Schmal: alles untereinander – Auftrag/Kalkulation nach der Vorschau */
@media (max-width: 1099px) {
  .layout { grid-template-columns: 1fr; }
  .hint-wide { display: none; }
  .hint-narrow { display: block; }
}
@media (min-width: 1100px) {
  .hint-wide { display: block; }
  .hint-narrow { display: none; }
}
/* Breit: Konfig | Vorschau | Kalkulation+Auftrag */
@media (min-width: 1280px) {
  .layout {
    grid-template-columns: minmax(280px, 360px) minmax(0, 1fr) minmax(280px, 340px);
  }
  .order-rail {
    position: sticky;
    top: 0.75rem;
  }
}

.panel {
  background: color-mix(in srgb, var(--panel) 92%, white);
  border: 1px solid color-mix(in srgb, var(--line) 80%, white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.15rem 1.2rem 1.3rem;
}

.stepper {
  list-style: none; margin: 0 0 1rem; padding: 0;
  display: flex; gap: 0.3rem; flex-wrap: wrap;
}
.step {
  display: inline-flex; align-items: center; gap: 0.35rem;
  padding: 0.3rem 0.55rem; border-radius: 999px;
  color: var(--muted); font-size: 0.8rem; font-weight: 500;
  border: 1px solid transparent;
  user-select: none;
}
.step.is-done, .step.is-active { cursor: pointer; }
.step.is-done:hover { background: #eef5f0; }
.step span {
  width: 1.25rem; height: 1.25rem; border-radius: 50%;
  display: grid; place-items: center; font-size: 0.72rem;
  background: #e6ebe8; color: var(--ink);
}
.step.is-active {
  color: var(--ink); border-color: #c9d7cf; background: #eef5f0;
}
.step.is-active span { background: var(--accent); color: white; }
.step.is-done span { background: #2f8f6a; color: white; }

.step-pane h2 { margin: 0 0 0.2rem; font-size: 1.2rem; letter-spacing: -0.02em; }
.hint { margin: 0 0 0.85rem; color: var(--muted); line-height: 1.4; font-size: 0.92rem; }
.hint.tight { margin-bottom: 0.5rem; font-size: 0.86rem; }
.micro { margin: 0.5rem 0 0; color: var(--muted); font-size: 0.82rem; line-height: 1.35; }
.micro.tight { margin: 0.25rem 0 0.4rem; }
.field-label { display: block; font-weight: 600; margin-bottom: 0.4rem; font-size: 0.9rem; }
.section-label {
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.04em;
  text-transform: uppercase; color: var(--muted); margin: 0.75rem 0 0.4rem;
}

.material-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0.65rem;
}
.mat-card {
  text-align: left; cursor: pointer;
  border: 1.5px solid var(--line); border-radius: 14px;
  padding: 0.85rem 0.9rem; background: white;
  transition: border-color .15s, transform .15s, box-shadow .15s;
}
.mat-card:hover { transform: translateY(-1px); border-color: #9db5a8; }
.mat-card.is-selected {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(15, 107, 76, 0.15);
}
.mat-card strong { display: block; font-size: 1rem; margin-bottom: 0.2rem; }
.mat-card span { color: var(--muted); font-size: 0.82rem; line-height: 1.35; }

.thickness-row { margin-top: 1.15rem; }
.thickness-row h2 { margin: 0 0 0.55rem; }
.chip-row { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.chip {
  border: 1px solid var(--line); background: white; border-radius: 999px;
  padding: 0.4rem 0.75rem; cursor: pointer; font-weight: 500; font-size: 0.9rem;
}
.chip.is-selected { background: var(--accent); color: white; border-color: var(--accent); }

.mode-tabs {
  display: flex; flex-wrap: wrap; gap: 0.35rem; margin-bottom: 0.9rem;
}
.mode-tab {
  border: 1px solid var(--line); background: white; border-radius: 999px;
  padding: 0.42rem 0.75rem; cursor: pointer; font: inherit; font-size: 0.88rem;
}
.mode-tab.is-active { background: var(--ink); color: white; border-color: var(--ink); }

.field-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0.7rem 0.8rem;
}
.field-grid label, .step-pane > .field-grid label {
  display: flex; flex-direction: column; gap: 0.3rem;
  font-size: 0.88rem; font-weight: 600;
}
.field-grid input, .field-grid select, .step-pane select, .step-pane input[type="number"] {
  font: inherit; font-family: var(--mono); font-size: 0.95rem; font-weight: 500;
  border: 1px solid var(--line); border-radius: 10px; padding: 0.55rem 0.65rem;
  background: white; width: 100%;
}
.unit { font-weight: 500; color: var(--muted); font-size: 0.8rem; margin-top: -0.15rem; }

.btn-row { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.nav-row {
  display: flex; justify-content: space-between; align-items: center;
  gap: 0.75rem; margin-top: 1.25rem;
}
.btn {
  font: inherit; font-weight: 600; border-radius: 12px; border: 1px solid transparent;
  padding: 0.7rem 1rem; cursor: pointer;
}
.btn.primary { background: var(--accent); color: white; }
.btn.primary:disabled { opacity: 0.45; cursor: not-allowed; }
.btn.ghost { background: white; border-color: var(--line); color: var(--ink); }
.btn:hover:not(:disabled) { filter: brightness(1.05); }

.view-toolbar {
  display: flex; flex-wrap: wrap; align-items: center; gap: 0.35rem 0.55rem;
  padding: 0.35rem 0.55rem;
  background: #f4f7f5;
  border-bottom: 1px solid var(--line);
}
.toolbar-item {
  display: flex; align-items: center; gap: 0.4rem;
  font-size: 0.82rem; font-weight: 600; margin: 0;
}
.toolbar-item select {
  font: inherit; font-family: var(--mono); font-size: 0.84rem; font-weight: 500;
  border: 1px solid var(--line); border-radius: 8px; padding: 0.28rem 0.4rem;
  background: white;
}
.tool-tabs {
  display: flex; flex-wrap: wrap; gap: 0.3rem; margin-bottom: 0.45rem;
}
.tool-tab {
  border: 1px solid var(--line); background: white; border-radius: 999px;
  padding: 0.36rem 0.65rem; cursor: pointer; font: inherit; font-size: 0.84rem;
}
.tool-tab.is-active {
  background: var(--accent-2); color: white; border-color: var(--accent-2);
}
.feature-fields { margin-bottom: 0.35rem; }
.tool-fields { margin-top: 0.15rem; }
.feat-set-block {
  margin-top: 1.15rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}
.feat-set-block h2 {
  margin: 0 0 0.55rem;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
}
.btn.tiny { padding: 0.35rem 0.55rem; font-size: 0.8rem; border-radius: 9px; }
.btn-row.compact { gap: 0.3rem; }
.inline-check {
  display: inline-flex; align-items: center; gap: 0.35rem; margin: 0;
  font-size: 0.82rem; font-weight: 500;
}
.coord-live {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--muted);
}
.view-toolbar .coord-live:last-of-type {
  margin-left: auto;
  text-align: right;
}

.summary-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #f7faf8;
  padding: 0.75rem 0.85rem;
  margin-bottom: 0.9rem;
  font-size: 0.9rem;
  line-height: 1.45;
}
.summary-card strong { font-weight: 600; }
.summary-card ul {
  margin: 0.35rem 0 0; padding-left: 1.1rem; color: var(--muted); font-size: 0.86rem;
}
.feat-list {
  margin-top: 0.5rem;
  display: grid;
  gap: 0.4rem;
}
.feat-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem 0.55rem;
  padding: 0.5rem 0.55rem;
  border-radius: 10px;
  background: white;
  border: 1px solid var(--line);
  font-size: 0.8rem;
}
.feat-row.is-selected { border-color: var(--accent-2); box-shadow: 0 0 0 1px var(--accent-2); }
.feat-row .tag {
  flex: 0 0 4.5rem;
  font-weight: 600;
  color: var(--accent);
  font-size: 0.82rem;
}
.feat-row .fields {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 0.5rem;
  flex: 1 1 auto;
  min-width: 0;
}
.feat-row label {
  display: inline-flex;
  align-items: center;
  gap: 0.28rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--muted);
  margin: 0;
}
.feat-row input, .feat-row select {
  width: 3.6rem;
  min-width: 3.6rem;
  font-family: var(--mono);
  font-size: 0.82rem;
  font-weight: 500;
  padding: 0.28rem 0.35rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fafcfb;
}
.feat-row select {
  width: auto;
  min-width: 6.5rem;
  font-family: var(--font);
}
.feat-row .kill {
  flex: 0 0 auto;
  margin-left: auto;
  border: none; background: transparent; cursor: pointer;
  color: var(--muted); line-height: 0; padding: 0.3rem;
  display: grid; place-items: center; border-radius: 6px;
}
.feat-row .kill:hover { color: var(--accent-2); background: #f8ebe4; }
.feat-empty { margin: 0; font-size: 0.82rem; color: var(--muted); }

.upload-drop {
  display: grid; gap: 0.35rem; place-items: center; text-align: center;
  border: 1.5px dashed #9db5a8; border-radius: 14px; padding: 1.4rem 1rem;
  background: #f7faf8; cursor: pointer;
}
.upload-drop input { display: none; }
.upload-drop strong { font-size: 1rem; }
.upload-drop span { color: var(--muted); font-size: 0.84rem; max-width: 22rem; }
.upload-drop.is-drag { background: #e8f3ec; border-color: var(--accent); }
.file-name { font-family: var(--mono); font-size: 0.86rem; margin: 0.6rem 0 0; }

.check {
  display: flex; gap: 0.55rem; align-items: flex-start;
  margin-top: 1rem; font-size: 0.92rem; color: var(--muted);
}
.check input { margin-top: 0.2rem; }

.preview-wrap {
  display: flex; flex-direction: column; gap: 0.45rem;
  position: sticky; top: 0.75rem;
  padding: 0.75rem 0.85rem 0.85rem;
}
.order-rail {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.order-rail .quote {
  border-top: none;
  padding-top: 0;
}
.order-block h2 {
  margin: 0 0 0.2rem;
  font-size: 1.05rem;
}
.info-line {
  margin: 0.65rem 0 0;
  font-size: 0.9rem;
  color: var(--muted);
}
.order-rail.is-active-step {
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 35%, transparent);
}
.preview-head {
  display: flex; justify-content: space-between; align-items: flex-start; gap: 0.75rem;
  flex-wrap: wrap;
}
.preview-head h2, .quote h2 {
  margin: 0; font-size: 1.05rem; letter-spacing: -0.01em;
}
.step-context {
  margin: 0.15rem 0 0;
  font-size: 0.8rem;
  color: var(--muted);
}
.zoom-bar {
  display: flex; flex-wrap: wrap; align-items: center; gap: 0.35rem;
}
.zoom-btn {
  min-width: 2.1rem; padding: 0.28rem 0.55rem !important;
  font-weight: 600;
}
.badge {
  font-family: var(--mono); font-size: 0.78rem; color: var(--muted);
  border: 1px solid var(--line); border-radius: 999px; padding: 0.25rem 0.6rem;
  background: white;
}
.canvas-frame {
  border: 1px solid var(--line); border-radius: 14px; overflow: hidden;
  background: linear-gradient(180deg, #eef2ef, #e4ebe7);
}
#plate { width: 100%; height: auto; display: block; touch-action: none; }
.canvas-legend {
  display: flex; flex-wrap: wrap; gap: 0.55rem 0.75rem; padding: 0.35rem 0.55rem 0.4rem;
  font-size: 0.78rem; color: var(--muted); background: #f7f8f6;
  border-top: 1px solid var(--line);
}
.swatch {
  display: inline-block; width: 0.75rem; height: 0.75rem; border-radius: 3px;
  margin-right: 0.3rem; vertical-align: -1px;
}
.swatch.plate { background: var(--plate); border: 1px solid #9aa8a0; }
.swatch.part { background: var(--part); }
.swatch.kerf { background: #e0a07a; }
.legend-check {
  display: inline-flex; align-items: center; gap: 0.35rem;
  cursor: pointer; margin: 0;
}
.swatch.center { background: #0f6b4c; border-radius: 50%; }

.fit-banner {
  margin: 0.85rem 0 0;
  padding: 0.65rem 0.8rem;
  border-radius: 12px;
  border: 1px solid #e0b089;
  background: #fff4ea;
  color: #7a3d12;
  font-size: 0.88rem;
  line-height: 1.35;
}
.fit-banner.is-ok {
  border-color: #9cc4b0;
  background: #eef7f2;
  color: #1a5a40;
}

.quote {
  padding-top: 0;
}
.order-block {
  border-top: 1px solid var(--line);
  padding-top: 0.85rem;
}
.quote dl { margin: 0.7rem 0 0; display: grid; gap: 0.45rem; }
.quote dl > div {
  display: grid; grid-template-columns: 1fr auto; gap: 1rem;
  font-size: 0.95rem;
}
.quote dt { color: var(--muted); }
.quote dd { margin: 0; font-family: var(--mono); font-weight: 500; text-align: right; }
.quote .total {
  margin-top: 0.35rem; padding-top: 0.55rem; border-top: 1px dashed var(--line);
}
.quote .total dt, .quote .total dd {
  color: var(--ink); font-size: 1.08rem; font-weight: 700;
}
.quote .total dd { font-family: var(--font); letter-spacing: -0.02em; color: var(--accent); }
.disclaimer { margin: 0.8rem 0 0; font-size: 0.8rem; color: var(--muted); line-height: 1.4; }

.foot {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.5rem;
  padding: 0 1.5rem 1.5rem; color: var(--muted); font-size: 0.82rem;
  position: relative;
}