:root {
  color-scheme: light;
  --ink: #202124;
  --muted: #667085;
  --line: #d7dce2;
  --surface: #ffffff;
  --page: #f4f6f8;
  --accent: #176b87;
  --accent-strong: #0f5066;
  --gold: #b8892f;
  --good: #166534;
}

* {
  box-sizing: border-box;
}

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

button,
input,
select {
  font: inherit;
}

.app {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0;
}

.intro {
  display: grid;
  grid-template-columns: 1fr minmax(260px, 360px);
  gap: 24px;
  align-items: stretch;
  margin-bottom: 24px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--gold);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0;
  font-size: 0.78rem;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 10px;
  font-size: clamp(2rem, 4vw, 4rem);
  line-height: 1;
}

h2 {
  margin-bottom: 0;
  font-size: 1.05rem;
}

.intro-copy {
  max-width: 720px;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.6;
}

.quick-guide {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin: -4px 0 24px;
}

.quick-guide div {
  display: grid;
  gap: 5px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.quick-guide span {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: #e7f1f4;
  color: var(--accent-strong);
  font-size: .8rem;
  font-weight: 800;
}

.quick-guide small,
.field-help {
  color: var(--muted);
  font-size: .8rem;
  line-height: 1.4;
}

.field-help {
  margin: -2px 0 14px;
}

.simple-mode .advanced-field {
  display: none;
}

.summary-card,
.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 16px 40px rgba(27, 39, 51, 0.07);
}

.summary-card {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 24px;
  border-top: 4px solid var(--accent);
}

.summary-label {
  color: var(--muted);
  font-size: 0.9rem;
}

.summary-card strong {
  margin: 8px 0;
  color: var(--accent-strong);
  font-size: 2.4rem;
  line-height: 1;
}

.summary-card small {
  color: var(--good);
  font-weight: 700;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(320px, 0.7fr);
  gap: 24px;
  align-items: start;
}

.panel {
  padding: 22px;
}

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

#resetButton {
  border: 1px solid var(--line);
  background: #f8fafc;
  color: var(--ink);
  border-radius: 6px;
  padding: 8px 12px;
  cursor: pointer;
}

#resetButton:hover {
  border-color: var(--accent);
}

.live-price-control,
.cad-weight-control {
  display: grid;
  gap: 7px;
  align-content: end;
}

#livePriceButton,
#cadWeightButton {
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #fff;
  border-radius: 6px;
  padding: 11px 12px;
  cursor: pointer;
}

#livePriceButton:hover,
#cadWeightButton:hover {
  background: var(--accent-strong);
}

#livePriceButton:disabled {
  cursor: wait;
  opacity: 0.7;
}

#livePriceStatus,
#cadWeightStatus {
  min-height: 1.2em;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.3;
}

.quote-actions {
  display: grid;
  gap: 8px;
  margin-top: 18px;
}

#saveQuoteButton {
  border: 1px solid var(--gold);
  background: var(--gold);
  color: #fff;
  border-radius: 6px;
  padding: 11px 12px;
  cursor: pointer;
  font-weight: 800;
}

#saveQuoteButton:hover {
  background: #9f7322;
}

#quoteSaveStatus {
  min-height: 1.2em;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.3;
}

.file-status {
  align-self: end;
  min-height: 44px;
  padding: 10px 12px;
  border: 1px dashed var(--line);
  border-radius: 6px;
  background: #fbfcfd;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.35;
}

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

label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
}

input,
select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
  padding: 11px 12px;
  outline: none;
}

input:focus,
select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(23, 107, 135, 0.14);
}

.results {
  position: sticky;
  top: 20px;
}

#pieceLabel {
  color: var(--muted);
  font-size: 0.9rem;
  text-align: right;
}

.result-list {
  display: grid;
  gap: 1px;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.result-list div {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 13px 14px;
  background: #fbfcfd;
}

.result-list dt {
  color: var(--muted);
  font-weight: 700;
}

.result-list dd {
  margin: 0;
  text-align: right;
  font-weight: 800;
}

.result-list .important {
  background: #eef7fa;
}

.note {
  margin-top: 18px;
  padding: 14px;
  border-left: 4px solid var(--gold);
  background: #fffaf0;
  color: #5f4a1c;
  line-height: 1.45;
  border-radius: 6px;
}

.saved-quotes {
  margin-top: 22px;
}

.saved-quotes-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.saved-quotes h3 {
  margin-bottom: 0;
  font-size: 0.95rem;
}

#savedQuotesCount,
.saved-quote span,
.empty-state {
  color: var(--muted);
  font-size: 0.82rem;
}

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

.empty-state {
  margin: 0;
  padding: 14px;
  border: 1px dashed var(--line);
  border-radius: 6px;
  background: #fbfcfd;
}

.saved-quote {
  display: grid;
  gap: 10px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfd;
}

.saved-quote strong,
.saved-quote span {
  display: block;
}

.saved-quote dl {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin: 0;
}

.saved-quote dl div {
  display: grid;
  gap: 2px;
}

.saved-quote dt {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
}

.saved-quote dd {
  margin: 0;
  font-weight: 800;
}

.saved-quote-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.saved-quote-actions button {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  border-radius: 6px;
  padding: 8px 10px;
  cursor: pointer;
}

.saved-quote-actions button:hover {
  border-color: var(--accent);
}

@media (max-width: 850px) {
  .intro,
  .workspace {
    grid-template-columns: 1fr;
  }

  .results {
    position: static;
  }
}

@media (max-width: 560px) {
  .app {
    width: min(100% - 20px, 1180px);
    padding: 18px 0;
  }

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

  .panel {
    padding: 16px;
  }

  .summary-card strong {
    font-size: 2rem;
  }
}

/* Authentication Styles */
.auth-screen {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
  padding: 20px;
}

.auth-screen.hidden {
  display: none;
}

.auth-container {
  width: 100%;
  max-width: 400px;
  background: var(--surface);
  border-radius: 12px;
  padding: 40px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.auth-logo {
  text-align: center;
  margin-bottom: 40px;
}

.auth-logo h1 {
  margin: 0;
  font-size: 2rem;
  color: var(--accent);
}

.auth-logo .eyebrow {
  margin-bottom: 10px;
}

.auth-form {
  display: none;
}

.auth-form.active {
  display: block;
}

.auth-form h2 {
  margin-bottom: 24px;
  font-size: 1.25rem;
  color: var(--ink);
}

.form-group {
  margin-bottom: 18px;
  display: grid;
  gap: 6px;
}

.form-group label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ink);
}

.form-group input {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  font-size: 1rem;
}

.form-group input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(23, 107, 135, 0.14);
}

.error-message {
  min-height: 20px;
  color: #dc2626;
  font-size: 0.875rem;
  margin-top: 8px;
}

.auth-switch {
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
  margin-top: 20px;
}

.link-button {
  background: none;
  border: none;
  color: var(--accent);
  cursor: pointer;
  text-decoration: underline;
  font-weight: 600;
  padding: 0;
  font: inherit;
}

.link-button:hover {
  color: var(--accent-strong);
}

/* Button Styles */
.btn {
  border: none;
  border-radius: 6px;
  padding: 12px 16px;
  font-weight: 600;
  cursor: pointer;
  font-size: 0.9rem;
  transition: all 0.2s ease;
}

.btn-primary {
  background: var(--accent);
  color: white;
  width: 100%;
  margin-top: 12px;
}

.btn-primary:hover {
  background: var(--accent-strong);
}

.btn-secondary {
  background: #f3f4f6;
  color: var(--ink);
  border: 1px solid var(--line);
}

.btn-secondary:hover {
  background: #e5e7eb;
}

.btn-success {
  background: var(--gold);
  color: white;
}

.btn-success:hover {
  background: #9f7322;
}

.btn-danger {
  background: #dc2626;
  color: white;
}

.btn-danger:hover {
  background: #b91c1c;
}

/* App Screen Styles */
.app-screen {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.app-screen.hidden {
  display: none;
}

.header {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  padding: 16px 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo h1 {
  margin: 0;
  font-size: 1.5rem;
}

.logo .eyebrow {
  margin-bottom: 4px;
}

.user-menu {
  display: flex;
  align-items: center;
  gap: 16px;
}

.username {
  color: var(--muted);
  font-weight: 500;
}

.project-controls {
  max-width: 1400px;
  margin: 20px auto;
  padding: 0 24px;
  display: flex;
  gap: 12px;
  align-items: center;
}

.project-select {
  flex: 1;
  max-width: 300px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
  color: var(--ink);
  cursor: pointer;
}

.project-select:focus {
  border-color: var(--accent);
  outline: none;
}

.button-group {
  display: flex;
  gap: 12px;
}

.output-panel {
  position: sticky;
  top: 100px;
}

.output-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.output-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px;
  background: #fbfcfd;
  border-radius: 6px;
}

.output-label {
  font-size: 0.78rem;
  color: var(--muted);
  font-weight: 600;
}

.output-item strong {
  font-size: 1.1rem;
  color: var(--accent-strong);
}

.website {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px 40px;
  width: 100%;
}

.notification {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
  max-width: 400px;
  display: none;
  z-index: 1000;
}

.notification.show {
  display: block;
  animation: slideIn 0.3s ease;
}

.notification.success {
  border-left: 4px solid var(--good);
  color: var(--good);
}

.notification.error {
  border-left: 4px solid #dc2626;
  color: #dc2626;
}

/* BenchMark refresh */
.header-note { color: var(--muted); font-size: .85rem; margin: 0; }
.project-bar { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin: 0 0 20px; padding: 14px; background: var(--surface); border: 1px solid var(--line); border-radius: 10px; }
.project-bar .project-select { flex: 1 1 240px; max-width: none; }
.btn { white-space: nowrap; }
.btn-text { padding: 7px 0; border: 0; background: transparent; color: var(--accent); text-decoration: underline; }
.btn-text:hover { color: var(--accent-strong); }
.btn:disabled { cursor: not-allowed; opacity: .5; }
fieldset { margin: 0 0 20px; padding: 18px; border: 1px solid var(--line); border-radius: 9px; min-width: 0; }
fieldset:last-child { margin-bottom: 0; }
legend { padding: 0 7px; color: var(--accent-strong); font-size: .88rem; font-weight: 800; }
label small, .action-stack small { color: var(--muted); font-size: .74rem; font-weight: 500; line-height: 1.35; }
.action-stack { display: grid; gap: 7px; align-content: end; }
.action-stack .btn { width: 100%; }
.file-input input { padding: 8px; }
.cad-upload { background: #f1f8f9; border: 1px solid #bddae2; border-radius: 8px; padding: 12px; }
.file-status.cad-upload { display: flex; align-items: center; color: var(--accent-strong); font-size: .82rem; line-height: 1.4; }
.client-quote-fields { background: #fbfcfc; }
.quote-image-input { display: grid; max-width: 520px; gap: 7px; }
.quote-help { margin: -10px 0 18px; color: var(--muted); font-size: .82rem; line-height: 1.45; }
.metric-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin-bottom: 22px; }
.metric { padding: 13px; background: #f7fafb; border: 1px solid #e6edf0; border-radius: 8px; }
.metric.featured { grid-column: span 2; background: #eaf4f6; border-color: #bddae2; }
.metric span, .metric small { display: block; color: var(--muted); font-size: .76rem; font-weight: 700; }
.metric strong { display: block; margin: 5px 0; color: var(--accent-strong); font-size: 1.25rem; }
.metric.featured strong { font-size: 1.7rem; }
.output-panel h3 { margin: 0 0 10px; font-size: .95rem; }
.output-panel { top: 84px; }

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(100%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@media (max-width: 768px) {
  .quick-guide {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .header-content {
    flex-direction: column;
    gap: 16px;
  }

  .project-controls {
    flex-direction: column;
  }

  .project-select {
    max-width: 100%;
  }

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

  .notification {
    right: 12px;
    left: 12px;
    bottom: 12px;
    max-width: none;
  }

  .header-note { display: none; }
  .project-bar { margin-top: 14px; }
  .project-bar .btn { flex: 1 1 auto; }
}