:root {
  --qrrd-ink: #111827;
  --qrrd-muted: #6b7280;
  --qrrd-soft: #f5f7fb;
}
body { color: var(--qrrd-ink); }
.navbar-brand { letter-spacing: -0.04em; font-weight: 800; }
.hero { padding: 6rem 0 5rem; }
.hero h1 { letter-spacing: -0.055em; line-height: .98; }
.soft-card { border: 1px solid #e9edf3; box-shadow: 0 10px 35px rgba(17,24,39,.05); }
.stat-number { font-size: 1.7rem; font-weight: 750; letter-spacing: -.04em; }
.qr-preview svg { width: 100%; max-width: 230px; height: auto; }
.code-pill { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .84rem; }
.table td, .table th { vertical-align: middle; }
.clickable { cursor: pointer; }
.message-preview { white-space: pre-wrap; }
.sidebar-note { background: var(--qrrd-soft); border-radius: 1rem; }
.form-label { font-weight: 600; }
.muted { color: var(--qrrd-muted); }
@media (max-width: 767.98px) {
  .hero { padding: 4rem 0 3rem; }
  .hero h1 { font-size: 3rem; }
  .table-responsive { border: 1px solid #e9edf3; border-radius: .75rem; }
}
.scanner-frame { min-height: 280px; }
.scanner-frame video { width: 100% !important; border-radius: 1rem; }
.scanner-frame #qr-shaded-region { border-width: 50px !important; }
@media (max-width: 575.98px) {
  .scanner-frame { min-height: 240px; }
}

/* Mobile-safe Bootstrap modals. Keep headers/footers visible while the body scrolls. */
.modal-dialog-scrollable .modal-body {
  min-height: 0;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}

@media (max-width: 575.98px) {
  .modal {
    --bs-modal-margin: .5rem;
  }

  .modal-dialog-scrollable {
    height: calc(100% - (var(--bs-modal-margin) * 2));
    min-height: calc(100% - (var(--bs-modal-margin) * 2));
  }

  .modal-dialog-scrollable .modal-content {
    max-height: 100%;
  }

  .modal-header,
  .modal-footer {
    flex-shrink: 0;
  }

  .modal-body {
    padding: 1rem !important;
  }

  .modal-footer {
    padding-bottom: max(.75rem, env(safe-area-inset-bottom));
  }

  /* Prevent wide action groups from forcing the management modal off-screen. */
  #manageModal .modal-footer {
    align-items: stretch;
    gap: .75rem;
  }

  #manageModal .modal-footer > div {
    display: flex;
    flex: 1 1 100%;
  }

  #manageModal .modal-footer > div .btn {
    flex: 1 1 0;
  }
}
.workspace-select { min-width: 190px; max-width: 300px; }
.pool-choice-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(150px,1fr)); gap: .5rem; }
.member-card .form-select { min-width: 120px; }
@media (max-width: 575.98px) {
  .workspace-select { min-width: 150px; max-width: 190px; }
  .member-card .member-role { width: auto; }
}

/* Compact per-QR manager history. */
.qr-audit-row:first-child { border-top: 0 !important; padding-top: 0 !important; }

/* Print QR page styles */
.print-settings-card { top: 5.5rem; }
.code-picker { max-height: 25rem; overflow-y: auto; background: #fff; }
.code-picker-row { display: grid; grid-template-columns: auto 1fr; gap: .65rem; align-items: start; padding: .75rem; border-bottom: 1px solid var(--bs-border-color); }
.code-picker-row:last-child { border-bottom: 0; }
.code-picker-row:hover { background: var(--bs-light); }
.code-picker-row .form-check-input { margin-top: .25rem; }
.print-pages { display: grid; gap: 1.5rem; justify-items: start; }
.print-sheet {
  background: #fff;
  box-sizing: border-box;
  box-shadow: 0 .25rem 1.25rem rgba(0,0,0,.10);
  overflow: hidden;
  display: grid;
  align-content: start;
  justify-content: start;
}
.qr-print-item {
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  overflow: hidden;
  break-inside: avoid;
  page-break-inside: avoid;
}
.qr-print-item.cut-guides { outline: .2mm dashed #bbb; outline-offset: 1.2mm; }
.qr-print-svg { display: block; flex: 0 0 auto; }
.qr-print-labels { width: 100%; min-width: 0; text-align: center; padding-top: 1.2mm; font-family: Arial, Helvetica, sans-serif; line-height: 1.1; }
.qr-print-label { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.qr-print-name { font-weight: 700; }
.qr-print-recipient { color: #333; }
.qr-print-code { font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; letter-spacing: .03em; color: #555; }

@media (max-width: 1199.98px) {
  .print-settings-card { position: static !important; }
  .print-pages { overflow-x: auto; justify-items: start; padding-bottom: 1rem; }
}

@media print {
  html, body { margin: 0 !important; padding: 0 !important; background: #fff !important; }
  body * { visibility: hidden !important; }
  #printPages, #printPages * { visibility: visible !important; }
  #printPages {
    position: absolute !important;
    left: 0 !important;
    top: 0 !important;
    display: block !important;
    margin: 0 !important;
    padding: 0 !important;
  }
  .print-sheet {
    box-shadow: none !important;
    margin: 0 !important;
    break-after: page;
    page-break-after: always;
  }
  .print-sheet:last-child { break-after: auto; page-break-after: auto; }
}

/* Privacy/legal pages */
.privacy-policy section { scroll-margin-top: 2rem; margin-bottom: 3rem; }
.privacy-policy section h2 { font-size: 1.55rem; font-weight: 700; margin-bottom: 1rem; }
.privacy-policy section h3 { font-size: 1.05rem; font-weight: 700; margin-top: 1.5rem; margin-bottom: .5rem; }
.privacy-policy section p,
.privacy-policy section li { line-height: 1.75; }
.privacy-policy section ul { padding-left: 1.25rem; }
.privacy-policy nav a { color: var(--bs-body-color); text-underline-offset: .2em; }

/* Request feedback */
.qrrd-toast-container {
  z-index: 1095;
  width: min(26rem, calc(100vw - 1rem));
  pointer-events: none;
}
.qrrd-toast-container .toast { pointer-events: auto; }
.qrrd-toast { --bs-toast-max-width: 26rem; }
button[aria-busy="true"] { cursor: wait; }
@media (max-width: 575.98px) {
  .qrrd-toast-container {
    top: .25rem !important;
    right: .25rem !important;
    left: .25rem !important;
    width: auto;
    padding: .5rem !important;
  }
  .qrrd-toast { width: 100%; max-width: none; }
}

/* Required-field and validation feedback */
.qrrd-required-indicator { white-space: nowrap; }
.was-validated .form-control:invalid,
.was-validated .form-select:invalid { border-color: var(--bs-danger); }
.was-validated .form-control:invalid:focus,
.was-validated .form-select:invalid:focus { box-shadow: 0 0 0 .25rem rgba(var(--bs-danger-rgb), .15); }

/* Public API documentation */
.api-docs-nav { top: 6rem; display: grid; gap: .35rem; }
.api-docs-nav a { color: var(--bs-secondary-color); text-decoration: none; padding: .25rem 0; }
.api-docs-nav a:hover { color: var(--bs-body-color); }
.api-doc-section { scroll-margin-top: 6rem; padding-bottom: 3rem; margin-bottom: 3rem; border-bottom: 1px solid var(--bs-border-color); }
.api-doc-section > h2 { font-size: 1.65rem; font-weight: 700; margin-bottom: 1rem; }
.api-doc-section p, .api-doc-section li { line-height: 1.7; }
.api-code-wrap { border: 1px solid var(--bs-border-color); border-radius: .75rem; overflow: hidden; background: #111; }
.api-code-head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: .6rem .8rem; background: #fff; color: var(--bs-body-color); font-size: .875rem; }
.api-code-wrap pre { margin: 0; padding: 1rem; overflow-x: auto; color: #f8f9fa; background: #111; }
.api-code-wrap pre code { color: inherit; white-space: pre; }
.api-endpoint-table td { vertical-align: middle; }
@media (max-width: 991.98px) { .api-docs-nav { position: static !important; grid-template-columns: repeat(auto-fit,minmax(9rem,1fr)); border-bottom: 1px solid var(--bs-border-color); padding-bottom: 1.5rem; } }

/* Homepage business-card flip demo. Pure HTML/CSS; no image assets required. */
.hero-card-demo {
  width: min(100%, 410px);
  margin: 1.5rem auto 2.25rem;
  perspective: 1200px;
}

.business-card-stage {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 1.75 / 1;
  cursor: pointer;
  transform: rotate(10deg);
  transform-origin: 50% 50%;
  filter: drop-shadow(0 10px 10px rgba(17, 24, 39, .12));
  -webkit-tap-highlight-color: transparent;
}

.business-card-inner {
  position: absolute;
  inset: 0;
  display: block;
  transform-style: preserve-3d;
  transition: transform .7s cubic-bezier(.2, .72, .2, 1);
}

.hero-card-toggle:checked + .business-card-stage .business-card-inner {
  transform: rotateY(180deg);
}

.hero-card-toggle:focus-visible + .business-card-stage {
  outline: 3px solid rgba(13, 110, 253, .4);
  outline-offset: 8px;
  border-radius: 1.15rem;
}

.business-card-face {
  position: absolute;
  inset: 0;
  display: flex;
  overflow: hidden;
  border: 1px solid rgba(17, 24, 39, .1);
  border-radius: 1.15rem;
  background: #fff;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

.business-card-front {
  align-items: stretch;
  justify-content: space-between;
  gap: 1.25rem;
  padding: 1.55rem;
  background:
    radial-gradient(circle at 14% 10%, rgba(17, 24, 39, .035), transparent 30%),
    linear-gradient(145deg, #fff 0%, #fbfbfc 100%);
}

.business-card-front-copy {
  display: flex;
  min-width: 0;
  flex: 1 1 auto;
  flex-direction: column;
  align-items: flex-start;
}

.business-card-brand {
  margin-bottom: auto;
  font-weight: 800;
  letter-spacing: -.045em;
}

.business-card-name {
  display: block;
  margin-top: 1.25rem;
  font-size: 1.35rem;
  font-weight: 750;
  letter-spacing: -.035em;
}

.business-card-role,
.business-card-company,
.business-card-contact {
  display: block;
  color: var(--qrrd-muted);
  font-size: .77rem;
  line-height: 1.45;
}

.business-card-role {
  margin-top: .2rem;
  color: var(--qrrd-ink);
  font-weight: 600;
}

.business-card-contact {
  margin-top: .65rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: .67rem;
}

.business-card-qr-wrap {
  display: flex;
  flex: 0 0 37%;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: .55rem;
  text-align: center;
}

.business-card-qr {
  display: block;
  width: min(100%, 125px);
  aspect-ratio: 1;
  padding: .38rem;
  border: 1px solid rgba(17, 24, 39, .08);
  border-radius: .65rem;
  background: #fff;
}

.business-card-qr svg {
  display: block;
  width: 100%;
  height: 100%;
  fill: var(--qrrd-ink);
}

.business-card-scan-copy {
  color: var(--qrrd-muted);
  font-size: .64rem;
  font-weight: 600;
  line-height: 1.2;
}

.business-card-back {
  display: block;
  padding: 1.45rem;
  transform: rotateY(180deg);
}

.business-card-back-topline,
.business-card-stats {
  display: flex;
}

.business-card-back-topline {
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.business-card-stats {
  gap: .7rem;
  margin-top: 1rem;
}

.business-card-stat {
  display: block;
  flex: 1 1 0;
  padding: .7rem .8rem;
  border-radius: .75rem;
  background: var(--qrrd-soft);
}

.business-card-divider {
  display: block;
  height: 1px;
  margin: .9rem 0;
  background: #e9edf3;
}


.hero-card-hint {
  max-width: 330px;
  margin: 1.5rem auto 0;
  color: var(--qrrd-muted);
  font-size: .78rem;
  text-align: center;
}

@media (hover: hover) and (pointer: fine) {
  .business-card-stage:hover .business-card-inner {
    transform: rotateY(180deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  .business-card-inner {
    transition-duration: .01ms;
  }
}

@media (max-width: 575.98px) {
  .hero-card-demo {
    width: min(92%, 370px);
  }

  .business-card-front,
  .business-card-back {
    padding: 1.15rem;
  }

  .business-card-name {
    font-size: 1.15rem;
  }

  .business-card-role,
  .business-card-company {
    font-size: .69rem;
  }

  .business-card-contact,
  .business-card-scan-copy {
    font-size: .58rem;
  }

  .business-card-back .stat-number {
    font-size: 1.35rem;
  }

}