body {
  background: var(--canvas);
  color: var(--ink);
  font-family: Inter, "Segoe UI", "Microsoft YaHei", sans-serif;
  font-size: 14px;
}
a {
  color: var(--primary);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}
.sidebar {
  width: 236px;
  position: fixed;
  inset: 0 auto 0 0;
  background: var(--surface);
  border-right: 1px solid var(--line);
  padding: 32px 20px;
  display: flex;
  flex-direction: column;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
}
.brand-mark {
  display: inline-grid;
  place-items: center;
  background: #0f766e;
  color: white;
  border-radius: 12px;
  width: 38px;
  height: 38px;
  font-size: 20px;
  font-weight: 600;
}
.sidebar-navigation {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  scrollbar-width: thin;
  padding-right: 4px;
}
.sidebar-group + .sidebar-group {
  border-top: 1px solid var(--line);
  margin-top: 14px;
  padding-top: 14px;
}
.sidebar-group-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 7px 12px;
  color: var(--quiet);
  font-size: 11px;
  font-weight: 650;
  letter-spacing: 1px;
  cursor: pointer;
  list-style: none;
  user-select: none;
}
.sidebar-group-heading::-webkit-details-marker {
  display: none;
}
.sidebar-group-chevron {
  width: 6px;
  height: 6px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(-45deg);
}
.sidebar-group[open] .sidebar-group-chevron {
  transform: rotate(45deg);
}
.sidebar-group-items {
  display: grid;
  gap: 3px;
  padding-top: 5px;
}
.sidebar-link {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--label);
  padding: 10px 12px;
  border-radius: 9px;
  font-size: 13px;
  border-left: 3px solid transparent;
}
.sidebar-link-marker {
  width: 5px;
  height: 5px;
  flex-shrink: 0;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.4;
}
.sidebar-link.active,
.sidebar-link:hover,
.sidebar-account.active,
.sidebar-account:hover {
  background: var(--accent-soft);
  color: var(--primary);
  text-decoration: none;
}
.sidebar-link.active {
  border-left-color: var(--primary);
  font-weight: 650;
}
.sidebar-link.active .sidebar-link-marker {
  opacity: 1;
}
.sidebar-group-heading:focus-visible,
.sidebar-link:focus-visible,
.sidebar-account:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: -2px;
}
.sidebar-footer {
  flex-shrink: 0;
  border-top: 1px solid var(--line);
  margin-top: 18px;
  padding-top: 12px;
}
.sidebar-account {
  display: flex;
  justify-content: space-between;
  padding: 10px 12px;
  border-radius: 9px;
  color: var(--label);
  font-size: 13px;
}
.sidebar-footer-note {
  display: block;
  padding: 12px 12px 0;
  color: var(--quiet);
  font-size: 10px;
  line-height: 1.9;
}
.workspace {
  margin-left: 236px;
}
.topbar {
  height: 78px;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  padding: 0 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
}
.main-content {
  padding: 36px 40px 64px;
  max-width: 1600px;
  margin: auto;
}
.page-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  margin-bottom: 28px;
}
.page-heading h1 {
  font-size: 27px;
  font-weight: 700;
  letter-spacing: -0.8px;
  margin: 7px 0 9px;
}
.page-heading p {
  color: var(--muted);
  margin: 0;
}
.eyebrow {
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--primary);
  font-weight: 700;
}
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 13px;
  box-shadow: 0 3px 12px #243d4c03;
}
.section-title {
  font-size: 16px;
  font-weight: 650;
  display: flex;
  gap: 11px;
  align-items: center;
  margin: 0 0 23px;
}
.section-title span {
  display: grid;
  place-items: center;
  background: var(--accent-soft);
  border-radius: 7px;
  font-size: 11px;
  color: var(--primary);
  width: 29px;
  height: 29px;
}
.form-label {
  font-size: 13px;
  font-weight: 500;
}
.form-label b {
  color: var(--primary);
}
.form-label small {
  font-size: 11px;
  font-weight: 400;
  color: var(--quiet);
  margin-left: 5px;
}
.form-control,
.form-select {
  border-color: var(--input-border);
  border-radius: 7px;
  min-height: 41px;
  font-size: 13px;
}
.form-control:focus,
.form-select:focus {
  border-color: #4a9e96;
  box-shadow: 0 0 0 3px var(--focus-ring);
}
.btn {
  font-size: 13px;
  padding: 9px 16px;
  border-radius: 7px;
}
.btn-primary {
  --bs-btn-bg: #0f766e;
  --bs-btn-border-color: #0f766e;
  --bs-btn-hover-bg: #115e59;
  --bs-btn-hover-border-color: #115e59;
  --bs-btn-active-bg: #115e59;
  --bs-btn-active-border-color: #115e59;
}
.btn-outline-primary {
  --bs-btn-color: var(--primary);
  --bs-btn-border-color: var(--accent-border);
  --bs-btn-hover-bg: #115e59;
  --bs-btn-hover-border-color: #115e59;
}
.btn-outline-secondary {
  --bs-btn-color: var(--label);
  --bs-btn-border-color: var(--input-border);
  --bs-btn-hover-bg: #607580;
  --bs-btn-hover-border-color: #607580;
}
.btn-light {
  --bs-btn-hover-bg: var(--subtle);
  --bs-btn-hover-color: var(--ink);
  --bs-btn-border-color: var(--line);
  --bs-btn-hover-border-color: var(--input-border);
  background: var(--soft);
  color: var(--label);
}
.dropzone {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 28px 12px;
  background: var(--drop-bg);
  border: 1px dashed var(--drop-border);
  border-radius: 10px;
  cursor: pointer;
  text-align: center;
}
.dropzone span:last-child {
  color: var(--quiet);
  font-size: 11px;
}
.dropzone.dragover {
  background: var(--drop-hover);
}
.upload-symbol {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--accent-soft);
  font-size: 24px;
  color: var(--primary);
}
.notice {
  padding: 15px 17px;
  background: var(--notice-bg);
  border: 1px solid var(--notice-border);
  border-radius: 8px;
  color: var(--notice-ink);
  font-size: 12px;
  line-height: 1.9;
}
.sticky-panel {
  position: sticky;
  top: 24px;
}
.table th {
  background: var(--subtle);
  color: var(--quiet);
  font-weight: 500;
  font-size: 11px;
  padding: 16px;
}
.table td {
  padding: 17px 16px;
  border-color: var(--line);
  font-size: 12px;
}
.table tbody tr:last-child td {
  border-bottom: 0;
}
.state {
  display: inline-block;
  border-radius: 5px;
  padding: 5px 9px;
  font-size: 11px;
  font-weight: 500;
  white-space: nowrap;
}
.state-accepted {
  background: var(--accepted-bg);
  color: var(--accepted-ink);
}
.state-failed {
  background: var(--failed-bg);
  color: var(--failed-ink);
}
.state-uncertain {
  background: var(--uncertain-bg);
  color: var(--uncertain-ink);
}
.state-sending,
.state-queued {
  background: var(--pending-bg);
  color: var(--pending-ink);
}
.empty-state {
  text-align: center;
  padding: 64px 20px;
  display: flex;
  align-items: center;
  flex-direction: column;
  gap: 10px;
}
.empty-icon {
  background: var(--accent-soft);
  width: 64px;
  height: 64px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  font-size: 30px;
  color: var(--primary);
  margin-bottom: 6px;
}
.info-grid {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 15px;
  margin-bottom: 20px;
  font-size: 13px;
}
.info-grid dt {
  font-weight: 400;
  color: var(--quiet);
}
.info-grid dd {
  margin: 0;
  overflow-wrap: anywhere;
}
.attachment-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 19px 0;
  border-top: 1px solid var(--line);
}
.attachment-row:first-of-type {
  margin-top: 16px;
}
.hash {
  font-size: 10px;
  font-family: monospace;
  color: var(--quiet);
  overflow-wrap: anywhere;
  margin-top: 5px;
}
.timeline-item {
  border-left: 2px solid var(--accent-border);
  padding: 0 0 25px 20px;
  margin: 24px 0 0 4px;
}
.timeline-item:last-child {
  padding-bottom: 0;
}
.mail-frame,
#preview-frame {
  color-scheme: light;
  width: 100%;
  height: 480px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}
.login-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 28px;
}
.login-card {
  width: 430px;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 40px;
  box-shadow: 0 12px 60px #1d413d08;
}
.narrow-card {
  max-width: 580px;
}
dialog {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  max-width: 850px;
  width: 94vw;
  max-height: 92vh;
  overflow: auto;
  padding: 26px;
  color: var(--ink);
}
dialog::backdrop {
  background: #142e3d77;
}
.file-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 9px 0;
  border-bottom: 1px solid var(--line);
  font-size: 12px;
}
textarea {
  line-height: 1.7 !important;
}
label.my-3,
label.mt-3 {
  display: block;
}
.form-text {
  font-size: 11px;
  color: var(--quiet);
}
.h5 {
  font-size: 17px;
}
.h6 {
  font-size: 14px;
}
@media (max-width: 1100px) {
  .main-content {
    padding: 28px 24px;
  }
  .sidebar {
    width: 200px;
    padding: 24px 14px;
  }
  .workspace {
    margin-left: 200px;
  }
  .brand {
    font-size: 14px;
  }
  .topbar {
    padding: 0 24px;
  }
}
@media (max-width: 767px) {
  .sidebar {
    position: static;
    width: auto;
    border-right: 0;
    padding: 16px;
  }
  .sidebar-navigation {
    display: grid;
    gap: 6px;
    max-height: 310px;
    overflow-y: auto;
  }
  .sidebar-group + .sidebar-group {
    margin-top: 4px;
    padding-top: 8px;
  }
  .sidebar-group-items {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .sidebar-link {
    padding: 8px 10px;
  }
  .sidebar-footer {
    margin-top: 12px;
    padding-top: 8px;
  }
  .sidebar-footer-note {
    display: none;
  }
  .workspace {
    margin-left: 0;
  }
  .topbar {
    height: 62px;
    padding: 0 16px;
    font-size: 11px;
  }
  .topbar > span {
    display: none;
  }
  .topbar > div {
    width: 100%;
    justify-content: space-between;
  }
  .main-content {
    padding: 24px 16px 40px;
  }
  .page-heading {
    align-items: flex-start;
    gap: 12px;
  }
  .page-heading h1 {
    font-size: 24px;
  }
  .page-heading > .btn {
    white-space: nowrap;
  }
  .info-grid {
    grid-template-columns: 90px 1fr;
  }
  .login-card {
    padding: 28px;
  }
  .sticky-panel {
    position: static;
  }
  .table th,
  .table td {
    white-space: nowrap;
  }
}

.platform-logo {
  width: 42px;
  height: 42px;
  object-fit: contain;
  flex-shrink: 0;
}
.platform-tagline {
  color: var(--quiet);
  font-size: 9px;
  line-height: 1.6;
  letter-spacing: 0.7px;
  margin: 16px 0 22px;
}
.login-platform-logo {
  width: 72px;
  height: 72px;
}
.login-platform-name {
  color: var(--ink);
  font-size: 27px;
  font-weight: 700;
  letter-spacing: -0.5px;
}
.login-platform-tagline {
  display: block;
  margin: 4px 0 24px;
  font-size: 10px;
}

#composer-mail-frame,
#summary-mail-frame {
  width: 100%;
  min-height: 380px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 9px;
}
#composer-notice,
#send-result {
  scroll-margin-top: 20px;
}
#work-context {
  border-left: 3px solid var(--primary);
}
#delivery-form details > summary {
  cursor: pointer;
  color: var(--label);
}
@media (max-width: 767px) {
  #composer-mail-frame,
  #summary-mail-frame {
    min-height: 300px;
  }
}

/* Quick delivery: compact project selection and attachment previews. */
.composer-mode-switch{display:flex;align-items:center;flex-wrap:wrap;gap:8px;width:100%}
.composer-continuous{display:flex;align-items:center;gap:7px;margin:0 0 0 12px;font-size:13px;white-space:nowrap}
.certificate-selected{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:8px}
.certificate-chip{border:1px solid #b8d4f9;background:#edf5ff;color:#20558c;border-radius:20px;padding:4px 10px;font-size:12px}
.certificate-results{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:7px}
.certificate-result{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:9px 11px;border:1px solid #e0e7ef;border-radius:9px;background:#fff;text-align:left;min-width:0}
.certificate-result strong{font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.certificate-result small{font-size:11px;color:#718096;white-space:nowrap}
.certificate-result[aria-pressed=true]{border-color:#639ee5;background:#f0f7ff}
.pdf-thumbnails{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px}
.pdf-thumbnail{position:relative;width:150px;border:1px solid #dce5ef;border-radius:10px;background:#f6f8fb;padding:6px;text-align:left;overflow:hidden}
.pdf-thumbnail iframe{display:block;width:100%;height:155px;border:0;pointer-events:none;background:white}
.pdf-thumbnail-name{display:block;font-size:11px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-top:6px}
.pdf-thumbnail small{display:block;color:#386fae;font-size:11px}
.pdf-thumbnail:after{content:"";position:absolute;inset:0}
#smart-paste-dialog,#receipt-result{width:min(660px,calc(100vw - 32px))}
@media(max-width:600px){.certificate-results{grid-template-columns:1fr}.composer-continuous{margin-left:0}.pdf-thumbnail{width:132px}}

.certificate-result-wrap{display:flex;gap:4px;align-items:stretch;min-width:0}.certificate-result-wrap .certificate-result{flex:1;min-width:0}.certificate-result-wrap>.favorite-project{font-size:11px;padding:4px 6px;white-space:nowrap}

#certificate-media-preview{width:min(1050px,calc(100vw - 32px))}
#certificate-media-preview-content iframe{display:block;width:100%;height:65vh;border:1px solid var(--line);border-radius:8px;background:#fff}
#certificate-media-preview-content img{display:block;max-width:100%;max-height:65vh;margin:auto;object-fit:contain}
.library-media-options label{overflow-wrap:anywhere}
.certificate-style-preview{margin:12px 0 0;min-width:0}
.certificate-style-preview img{display:block;width:100%;max-height:260px;object-fit:contain;border:1px solid var(--line);border-radius:8px;background:var(--bs-body-bg)}
.certificate-style-preview a{display:block}
.certificate-selected-card{flex:1 1 180px;max-width:300px;min-width:0}
.certificate-result-wrap{flex-wrap:wrap}
.certificate-result-wrap>.certificate-style-preview{flex-basis:100%;width:100%;margin-top:4px}
.certificate-result-wrap .certificate-style-preview img{height:130px}

/* Certificates in quick delivery and delivery snapshots: compact card plus enlarged detail dialog. */
.certificate-selected .certificate-card{flex:1 1 260px;max-width:420px}
.certificate-snapshot-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:10px;margin-top:12px}
.certificate-card{position:relative;display:flex;align-items:stretch;min-width:0;border:1px solid var(--line);border-radius:10px;background:var(--surface);padding:6px}
.certificate-card-hit{display:flex;align-items:center;gap:10px;flex:1;min-width:0;padding:0;border:0;background:none;color:inherit;text-align:left}
.certificate-card-hit:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.certificate-card-thumb{flex:0 0 72px;width:72px;height:72px;border-radius:8px;overflow:hidden;background:var(--soft);display:grid;place-items:center;font-size:11px;color:var(--muted);border:1px solid var(--line)}
.certificate-card-thumb img{display:block;width:100%;height:100%;object-fit:cover}
.certificate-card-thumb.is-empty{padding:6px;text-align:center;line-height:1.4}
.certificate-card-body{display:flex;flex-direction:column;gap:3px;min-width:0}
.certificate-card-body strong{font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.certificate-card-meta{font-size:11px;color:var(--muted)}
.certificate-card-hint{font-size:11px;color:var(--label)}
.certificate-card-remove{flex:0 0 auto;align-self:flex-start;width:26px;height:26px;border:0;border-radius:50%;background:transparent;color:var(--muted);font-size:18px;line-height:1}
.certificate-card-remove:hover,.certificate-card-remove:focus-visible{background:var(--failed-bg);color:var(--failed-ink)}
.certificate-info-dialog{width:min(880px,calc(100vw - 32px))}
.certificate-info-head{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:14px}
.certificate-info-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:18px;align-items:start}
.certificate-info-media{margin:0;display:grid;place-items:center;min-height:180px;border:1px solid var(--line);border-radius:10px;background:var(--soft);color:var(--muted);font-size:12px;padding:10px}
.certificate-info-media img{display:block;width:100%;max-height:65vh;object-fit:contain}
.certificate-info-body{min-width:0}
.certificate-info-body dd{white-space:pre-line}
@media(max-width:640px){.certificate-snapshot-grid{grid-template-columns:1fr}.certificate-info-grid{grid-template-columns:1fr}.certificate-card-thumb{flex-basis:60px;width:60px;height:60px}}