:root {
  --background: #f6f7f8;
  --foreground: #172026;
  --muted: #66727c;
  --border: #d9dee3;
  --panel: #ffffff;
  --accent: #256f6c;
  --accent-strong: #124e4b;
  --warning: #9a5b13;
  --danger: #a33d35;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--background);
  color: var(--foreground);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea,
select {
  font: inherit;
}

.shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.topbar {
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.brand strong {
  font-size: 15px;
}

.brand span {
  color: var(--muted);
  font-size: 12px;
}

.main {
  width: min(1180px, calc(100vw - 32px));
  margin: 24px auto 48px;
}

.auth-main {
  width: min(480px, calc(100vw - 32px));
}

.auth-card h1 {
  margin: 4px 0 16px;
  font-size: 30px;
  letter-spacing: 0;
}

.auth-secondary h2 {
  margin: 0 0 6px;
  font-size: 18px;
  letter-spacing: 0;
}

.auth-secondary {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
}

.resend-form {
  margin-top: 10px;
}

.link-button {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--accent-strong);
  cursor: pointer;
  font: inherit;
  font-size: 13px;
  font-weight: 700;
  padding: 0;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.auth-message {
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 16px;
  padding: 12px;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.4;
}

.auth-message.success {
  background: #edf8f3;
  border-color: #9bd3b8;
  color: #185c3d;
}

.auth-message.error {
  background: #fff4f2;
  border-color: #e7b0aa;
  color: var(--danger);
}

.page-header {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: flex-end;
  margin-bottom: 20px;
}

.page-header h1 {
  margin: 0 0 6px;
  font-size: 28px;
  letter-spacing: 0;
}

.page-header p {
  margin: 0;
  color: var(--muted);
  max-width: 680px;
}

.button {
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #fff;
  border-radius: 6px;
  padding: 9px 14px;
  cursor: pointer;
  font-weight: 600;
  min-height: 40px;
}

.button.secondary {
  color: var(--foreground);
  background: #fff;
  border-color: var(--border);
}

.button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 14px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
}

.project-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 150px;
}

.project-card h2 {
  margin: 0;
  font-size: 17px;
}

.billing-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 18px;
}

.billing-card h2 {
  margin: 0 0 5px;
  font-size: 17px;
}

.demo-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 18px;
  padding: 16px;
  border: 1px solid rgb(37 111 108 / 24%);
  border-radius: 8px;
  background: #eef6f5;
}

.demo-card h2 {
  margin: 4px 0 6px;
  font-size: 18px;
}

.demo-card p {
  margin: 0;
  max-width: 760px;
  color: var(--muted);
}

.account-hero {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  margin-bottom: 18px;
  padding: 18px;
  border: 1px solid rgb(37 111 108 / 24%);
  border-radius: 8px;
  background: #eef6f5;
}

.account-hero h1,
.account-hero h2 {
  margin: 4px 0 8px;
  font-size: 24px;
}

.account-hero p {
  margin: 0;
  max-width: 820px;
  color: var(--muted);
}

.account-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.account-panel {
  display: grid;
  align-content: start;
  gap: 12px;
}

.account-panel h2 {
  margin: 0;
  font-size: 18px;
}

.account-panel p {
  margin: 0;
  color: var(--muted);
}

.account-checklist {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
}

.account-checklist li {
  margin: 8px 0;
}

.meta {
  color: var(--muted);
  font-size: 13px;
}

.status {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 3px 8px;
  color: var(--muted);
  font-size: 12px;
}

.form {
  display: grid;
  gap: 12px;
}

.compact-form {
  margin-top: 12px;
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.field {
  display: grid;
  gap: 6px;
}

.field label {
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
}

.field-hint,
.helper-text {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
}

.helper-text {
  margin: 0;
}

.field input,
.field textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 9px 10px;
  background: #fff;
}

.workspace {
  display: grid;
  grid-template-columns: 260px 1fr 300px;
  min-height: calc(100vh - 56px);
}

.workflow-bar {
  grid-column: 1 / -1;
  padding: 12px 16px;
  background: #eef1f3;
  border-bottom: 1px solid var(--border);
}

.sidebar,
.inspector {
  background: var(--panel);
  border-right: 1px solid var(--border);
  padding: 16px;
  overflow: auto;
}

.inspector {
  border-right: 0;
  border-left: 1px solid var(--border);
}

.canvas {
  padding: 18px;
  overflow: auto;
}

.sheet-list {
  display: grid;
  gap: 10px;
}

.sheet-thumb {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px;
  background: #fff;
  display: grid;
  gap: 7px;
}

.sheet-thumb.active {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgb(37 111 108 / 12%);
}

.sheet-thumb img {
  width: 100%;
  display: block;
  border: 1px solid var(--border);
  background: #fafafa;
}

.sheet-thumb-title {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  align-items: center;
}

.classification-detail {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 7px;
  background: #f8fafb;
  display: grid;
  gap: 4px;
  color: var(--muted);
  font-size: 12px;
}

.classification-detail p {
  margin: 0;
}

.select {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #fff;
  padding: 7px 8px;
  color: var(--foreground);
}

.select.compact {
  width: auto;
  min-width: 140px;
}

.viewer-stack {
  display: grid;
  gap: 12px;
}

.viewer-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.viewer-page {
  position: relative;
  width: min(100%, 900px);
  margin: 0 auto;
  background: #fff;
  border: 1px solid var(--border);
  box-shadow: 0 10px 30px rgb(23 32 38 / 10%);
  touch-action: none;
  user-select: none;
}

.viewer-page img {
  width: 100%;
  display: block;
}

.measurement-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: auto;
  touch-action: none;
}

.calibration-line {
  stroke: var(--accent);
  stroke-width: 4;
  vector-effect: non-scaling-stroke;
}

.calibration-point {
  fill: #ffffff;
  stroke: var(--accent-strong);
  stroke-width: 4;
  vector-effect: non-scaling-stroke;
}

.roof-plane {
  fill: rgb(37 111 108 / 18%);
  stroke: var(--accent);
  stroke-width: 3;
  cursor: pointer;
  vector-effect: non-scaling-stroke;
}

.roof-plane.selected {
  fill: rgb(37 111 108 / 28%);
  stroke: var(--accent-strong);
  stroke-width: 4;
}

.roof-plane.ai-detected {
  stroke-dasharray: 9 7;
}

.roof-line {
  fill: none;
  stroke-width: 4;
  cursor: pointer;
  vector-effect: non-scaling-stroke;
}

.roof-line.selected {
  stroke-width: 6;
}

.roof-line.ai-detected {
  stroke-dasharray: 9 7;
}

.roof-line.eave,
.roof-line.roof_edge,
.roof-line.parapet,
.roof-line.coping,
.roof-line.wall_flashing,
.roof-line.curb_flashing,
.draw-line.eave {
  stroke: #256f6c;
}

.draw-line.roof_edge,
.draw-line.parapet,
.draw-line.coping,
.draw-line.wall_flashing,
.draw-line.curb_flashing {
  stroke: #256f6c;
}

.roof-line.ridge,
.draw-line.ridge {
  stroke: #7b4aa0;
}

.roof-line.hip,
.roof-line.rake,
.roof-line.step_flashing,
.roof-line.headwall_flashing,
.roof-line.sidewall_flashing,
.roof-line.gutter,
.roof-line.downspout,
.draw-line.hip {
  stroke: #2f6faa;
}

.draw-line.rake,
.draw-line.step_flashing,
.draw-line.headwall_flashing,
.draw-line.sidewall_flashing,
.draw-line.gutter,
.draw-line.downspout {
  stroke: #2f6faa;
}

.roof-line.valley,
.roof-line.expansion_joint,
.draw-line.valley {
  stroke: #a33d35;
}

.draw-line.expansion_joint {
  stroke: #a33d35;
}

.draw-line {
  fill: none;
  stroke: var(--warning);
  stroke-width: 3;
  vector-effect: non-scaling-stroke;
}

.draw-fill {
  fill: rgb(154 91 19 / 12%);
  stroke: var(--warning);
  stroke-width: 2;
  vector-effect: non-scaling-stroke;
}

.measurement-point {
  fill: #ffffff;
  stroke: var(--accent-strong);
  stroke-width: 4;
  cursor: grab;
  vector-effect: non-scaling-stroke;
  touch-action: none;
}

.object-marker {
  cursor: pointer;
}

.object-marker circle {
  fill: #ffffff;
  stroke: var(--warning);
  stroke-width: 4;
  vector-effect: non-scaling-stroke;
}

.object-marker.selected circle {
  stroke: var(--accent-strong);
  stroke-width: 5;
}

.object-marker.ai-detected circle {
  stroke-dasharray: 5 4;
}

.object-marker text {
  fill: var(--foreground);
  font-size: 10px;
  font-weight: 700;
  pointer-events: none;
  text-anchor: middle;
  user-select: none;
}

.measurement-panel {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  padding: 10px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
}

.calibration-panel {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) repeat(5, auto);
  align-items: center;
  gap: 8px;
  padding: 10px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
}

.calibration-panel input {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px;
}

.empty {
  border: 1px dashed var(--border);
  border-radius: 8px;
  padding: 24px;
  color: var(--muted);
  background: #fff;
}

.stack {
  display: grid;
  gap: 14px;
}

.summary-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}

.summary-grid div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px solid var(--border);
}

.summary-grid div:last-child {
  border-bottom: 0;
}

.review-main {
  width: min(1320px, calc(100vw - 32px));
}

.workflow-stepper {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 18px;
}

.workflow-bar .workflow-stepper {
  margin-bottom: 0;
}

.workflow-step {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  grid-template-rows: auto auto;
  gap: 3px 8px;
  min-height: 88px;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel);
}

.workflow-number {
  display: inline-flex;
  width: 24px;
  height: 24px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: #edf0f2;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.workflow-step strong,
.workflow-step small {
  display: block;
}

.workflow-step strong {
  font-size: 13px;
}

.workflow-step small {
  margin-top: 3px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.35;
}

.workflow-step em {
  grid-column: 2;
  align-self: end;
  color: var(--muted);
  font-size: 11px;
  font-style: normal;
  font-weight: 700;
  text-transform: uppercase;
}

.workflow-step.complete {
  border-color: rgb(37 111 108 / 32%);
}

.workflow-step.complete .workflow-number {
  background: var(--accent);
  color: #fff;
}

.workflow-step.active {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgb(37 111 108 / 12%);
}

.workflow-step.blocked {
  opacity: 0.7;
}

.review-hero {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
  margin-bottom: 18px;
}

.review-hero div {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
  display: grid;
  gap: 5px;
}

.review-hero strong {
  font-size: 22px;
}

.fix-first {
  display: grid;
  grid-template-columns: minmax(260px, 0.9fr) minmax(0, 1.1fr);
  gap: 18px;
  align-items: center;
  margin: 0 0 18px;
  padding: 18px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--panel);
}

.fix-first.needs-work {
  border-color: rgb(154 91 19 / 35%);
  background: #fffaf2;
}

.fix-first.ready {
  border-color: rgb(37 111 108 / 32%);
  background: #eef6f5;
}

.fix-first h2 {
  margin: 4px 0 8px;
  font-size: 22px;
}

.fix-first p {
  margin: 0;
  color: var(--muted);
  max-width: 680px;
}

.fix-first-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  flex-wrap: wrap;
}

.trust-report {
  margin: 0 0 18px;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel);
}

.trust-report .section-heading {
  align-items: flex-start;
}

.trust-report h2 {
  margin: 4px 0 0;
  font-size: 22px;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 10px;
}

.trust-grid div {
  min-height: 132px;
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: 8px;
  padding: 12px;
  background: #f8fafb;
}

.trust-grid strong {
  display: block;
  margin: 5px 0;
  font-size: 24px;
}

.trust-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
}

.review-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 18px;
  align-items: start;
}

.section-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.section-heading h2,
.review-layout h2 {
  margin: 0;
  font-size: 17px;
}

.finding-list {
  display: grid;
  gap: 10px;
}

.compact-findings {
  margin-top: 12px;
}

.assistant-summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 8px;
  margin-bottom: 12px;
}

.assistant-summary div {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #f8fafb;
  padding: 10px;
  color: var(--foreground);
  font-size: 13px;
  font-weight: 600;
}

.priority-list {
  display: grid;
  gap: 10px;
}

.priority-item {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  border: 1px solid rgb(154 91 19 / 35%);
  border-radius: 8px;
  background: #fffaf2;
  padding: 12px;
}

.priority-item > span {
  display: inline-flex;
  width: 28px;
  height: 28px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: var(--warning);
  color: #fff;
  font-weight: 700;
}

.priority-item p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.finding {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  border: 1px solid var(--border);
  border-left-width: 5px;
  border-radius: 8px;
  padding: 12px;
  background: #fff;
}

.finding p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.finding.blocker {
  border-left-color: var(--danger);
}

.finding.warning {
  border-left-color: var(--warning);
}

.finding.info {
  border-left-color: var(--accent);
}

.review-status.ok {
  border-color: rgb(37 111 108 / 35%);
  color: var(--accent-strong);
}

.review-status.danger {
  border-color: rgb(163 61 53 / 35%);
  color: var(--danger);
}

.review-table {
  display: grid;
  gap: 7px;
}

.compact-table {
  margin-top: 12px;
}

.review-row {
  display: grid;
  grid-template-columns: minmax(150px, 1.4fr) minmax(130px, 1fr) 120px 120px;
  gap: 12px;
  align-items: center;
  border-bottom: 1px solid var(--border);
  padding: 8px 0;
  font-size: 13px;
}

.revision-row {
  grid-template-columns: minmax(150px, 1fr) minmax(150px, 1fr) 100px minmax(220px, 1.4fr);
}

.estimate-row {
  grid-template-columns: 120px minmax(180px, 1.3fr) 70px 90px minmax(150px, 1fr) 90px;
}

.estimate-row span:nth-child(2),
.estimate-row span:nth-child(5) {
  display: grid;
  gap: 3px;
}

.scope-row {
  grid-template-columns: 130px minmax(220px, 1.4fr) 110px 100px;
}

.scope-row span:nth-child(2) {
  display: grid;
  gap: 3px;
}

.review-row.header {
  color: var(--muted);
  font-weight: 700;
}

.review-row:last-child {
  border-bottom: 0;
}

.two-column {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.sheet-review-item {
  display: grid;
  gap: 8px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 10px;
}

.template-list {
  display: grid;
  gap: 8px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}

.template-item {
  display: grid;
  gap: 4px;
}

.sheet-review-item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.toolbar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
}

@media (max-width: 900px) {
  .topbar {
    height: auto;
    min-height: 56px;
    align-items: flex-start;
    gap: 12px;
    padding: 12px;
    flex-direction: column;
  }

  .main {
    width: min(100%, calc(100vw - 20px));
    margin: 12px auto 28px;
  }

  .page-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

  .page-header h1 {
    font-size: 23px;
  }

  .button,
  .select,
  .field input,
  .field textarea,
  .calibration-panel input {
    min-height: 44px;
  }

  .toolbar {
    width: 100%;
  }

  .toolbar .button,
  .toolbar form {
    flex: 1 1 150px;
  }

  .toolbar form .button {
    width: 100%;
  }

  .workspace {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .sidebar,
  .inspector {
    border: 0;
    border-bottom: 1px solid var(--border);
    padding: 12px;
  }

  .sidebar {
    order: 1;
  }

  .canvas {
    order: 2;
    padding: 12px;
  }

  .inspector {
    order: 3;
  }

  .sheet-list {
    display: flex;
    overflow-x: auto;
    gap: 10px;
    padding-bottom: 4px;
    scroll-snap-type: x mandatory;
  }

  .sheet-thumb {
    min-width: 190px;
    scroll-snap-align: start;
  }

  .viewer-toolbar,
  .measurement-panel {
    align-items: stretch;
    flex-direction: column;
  }

  .viewer-toolbar > .toolbar,
  .measurement-panel > .toolbar {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .viewer-toolbar .button,
  .measurement-panel .button,
  .measurement-panel .select {
    width: 100%;
  }

  .calibration-panel {
    grid-template-columns: 1fr;
  }

  .viewer-page {
    width: 100%;
    max-height: 72vh;
    overflow: hidden;
  }

  .summary-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .summary-grid div {
    align-items: flex-start;
    flex-direction: column;
    gap: 3px;
  }

  .billing-card {
    align-items: flex-start;
    flex-direction: column;
  }

  .demo-card {
    align-items: flex-start;
    flex-direction: column;
  }

  .account-hero {
    align-items: flex-start;
    flex-direction: column;
  }

  .account-hero .button {
    width: 100%;
    text-align: center;
  }

  .field-grid {
    grid-template-columns: 1fr;
  }

  .review-main {
    width: min(100%, calc(100vw - 20px));
  }

  .review-hero,
  .workflow-stepper,
  .fix-first,
  .trust-grid,
  .account-grid,
  .review-layout {
    grid-template-columns: 1fr;
  }

  .review-hero {
    gap: 10px;
  }

  .finding {
    align-items: stretch;
    flex-direction: column;
  }

  .review-row {
    grid-template-columns: 1fr;
    gap: 4px;
    padding: 10px 0;
  }

  .priority-item {
    grid-template-columns: 32px minmax(0, 1fr);
  }

  .priority-item .button {
    grid-column: 1 / -1;
  }

  .fix-first-actions {
    justify-content: stretch;
  }

  .fix-first-actions .button,
  .demo-card .button {
    width: 100%;
    text-align: center;
  }

  .trust-report .section-heading {
    flex-direction: column;
  }

  .review-row.header {
    display: none;
  }

  .two-column {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  .viewer-toolbar > .toolbar,
  .measurement-panel > .toolbar,
  .summary-grid {
    grid-template-columns: 1fr;
  }

  .sheet-thumb {
    min-width: 168px;
  }

  .workflow-step {
    min-height: auto;
  }

  .trust-grid div {
    min-height: auto;
  }

  .card,
  .empty {
    padding: 12px;
  }
}