:root {
  color-scheme: dark;
  --bg: #061017;
  --panel: #091820;
  --panel-raised: #0d2029;
  --line: rgba(103, 232, 249, .14);
  --line-strong: rgba(103, 232, 249, .3);
  --text: #e8f8fb;
  --muted: #a0b6bf;
  --cyan: #67e8f9;
  --teal: #2dd4bf;
  --green: #6ee7b7;
  --amber: #fcd578;
  --red: #fda4af;
  --violet: #c4b5fd;
  font-family: Inter, "Noto Sans TC", "Microsoft JhengHei", system-ui, sans-serif;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { background: var(--bg); }
body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  color: var(--text);
  background: radial-gradient(ellipse at 80% 0, rgba(45, 212, 191, .065), transparent 45%), var(--bg);
}
button, input, select, textarea { font: inherit; }
button, a, select { touch-action: manipulation; }
button { cursor: pointer; }
button:disabled { opacity: .45; cursor: not-allowed; }
input, select, textarea { min-width: 0; color: var(--text); }
a { color: var(--cyan); text-underline-offset: 4px; }
a, p, dd, h3, strong { overflow-wrap: anywhere; }
button:focus-visible, a:focus-visible, summary:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, [tabindex]:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 4px;
}
::selection { color: var(--text); background: #225c65; }
.skip-link { position: fixed; top: 10px; left: 10px; z-index: 100; padding: 12px 18px; border-radius: 10px; background: var(--panel-raised); transform: translateY(-160%); }
.skip-link:focus { transform: none; }
.access-gate { display: grid; justify-items: center; align-content: center; gap: 16px; min-height: 100vh; padding: 32px 20px; text-align: center; }
.access-gate h1, .access-gate p { margin: 0; }
.access-gate h1 { font-size: 1.45rem; }
.access-gate p { max-width: 420px; color: var(--muted); line-height: 1.7; }
.inquiries-app { display: grid; grid-template-columns: 220px minmax(0, 1fr); min-height: 100vh; }
.sidebar { position: sticky; top: 0; display: flex; flex-direction: column; gap: 32px; height: 100vh; padding: 24px 16px; border-right: 1px solid var(--line); background: rgba(6, 16, 23, .94); }
.brand { display: flex; align-items: center; gap: 11px; padding: 6px; color: var(--text); text-decoration: none; }
.brand img { flex-shrink: 0; filter: drop-shadow(0 6px 16px rgba(45, 212, 191, .16)); }
.brand span { display: grid; gap: 5px; }
.brand strong { font-size: 1.03rem; }
.brand small { color: var(--muted); font-size: .57rem; letter-spacing: .14em; }
.sidebar-nav { display: grid; gap: 7px; }
.sidebar-nav a { display: flex; align-items: center; gap: 12px; min-height: 46px; padding: 10px 14px; border: 1px solid transparent; border-radius: 12px; color: var(--muted); font-size: .86rem; text-decoration: none; }
.sidebar-nav a span { width: 18px; font-size: 1rem; text-align: center; }
.sidebar-nav a:hover, .sidebar-nav a.active { border-color: var(--line); background: rgba(103, 232, 249, .055); color: var(--text); }
.sidebar-nav a.active { box-shadow: inset 2px 0 var(--cyan); }
.sidebar-nav a.active span { color: var(--cyan); }
.private-note { display: flex; align-items: flex-start; gap: 12px; padding: 16px 13px; border: 1px solid var(--line); border-radius: 14px; background: rgba(103, 232, 249, .02); }
.signal { flex: 0 0 auto; width: 7px; height: 7px; margin-top: 6px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 4px rgba(110, 231, 183, .09); }
.private-note strong { font-size: .77rem; }
.private-note p, .sidebar-footer { margin: 6px 0 0; color: var(--muted); font-size: .7rem; line-height: 1.8; }
.sidebar-footer { margin-top: auto; padding: 0 13px; }
.workspace { width: 100%; max-width: 1460px; min-width: 0; margin: 0 auto; padding: 0 clamp(18px, 3vw, 44px) 32px; }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 30px 0 26px; border-bottom: 1px solid var(--line); }
.eyebrow { display: flex; align-items: center; gap: 9px; color: var(--muted); font-size: .64rem; font-weight: 650; letter-spacing: .16em; }
.eyebrow i { width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 12px rgba(103, 232, 249, .5); }
.topbar h1 { margin: 9px 0 7px; font-size: clamp(1.6rem, 2.7vw, 2rem); letter-spacing: -.035em; }
.topbar p { margin: 0; color: var(--muted); font-size: .83rem; }
.topbar-actions, .form-actions { display: flex; align-items: center; gap: 9px; flex-wrap: wrap; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 7px; min-height: 44px; padding: 10px 15px; border: 1px solid var(--line); border-radius: 11px; font-size: .8rem; font-weight: 600; line-height: 1.4; text-decoration: none; transition: border-color 150ms ease, background 150ms ease; }
.button.secondary { color: var(--muted); background: rgba(103, 232, 249, .025); }
.button.secondary:hover:not(:disabled) { color: var(--text); border-color: var(--line-strong); background: rgba(103, 232, 249, .06); }
.button.primary { color: #04252a; border-color: var(--teal); background: linear-gradient(135deg, var(--cyan), var(--teal)); }
.button.primary:hover:not(:disabled) { filter: brightness(1.08); }
.overview { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; margin: 24px 0; }
.metric { position: relative; display: grid; gap: 7px; padding: 19px 20px; border: 1px solid var(--line); border-radius: 15px; background: linear-gradient(140deg, rgba(103, 232, 249, .035), transparent), var(--panel); }
.metric > span { color: var(--muted); font-size: .73rem; }
.metric > strong { color: var(--cyan); font-size: 1.85rem; font-weight: 650; line-height: 1.15; font-variant-numeric: tabular-nums; }
.metric > small { color: var(--muted); font-size: .67rem; line-height: 1.5; }
.draft-metric > strong { color: var(--amber); }
.board { overflow: hidden; border: 1px solid var(--line); border-radius: 18px; background: rgba(9, 24, 32, .82); box-shadow: 0 18px 55px rgba(0, 0, 0, .2); }
.board-heading { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 22px 24px; border-bottom: 1px solid var(--line); }
.board-heading h2, .retained-drafts h2 { margin: 6px 0 0; font-size: 1.03rem; }
.private-pill { flex-shrink: 0; padding: 7px 10px; border: 1px solid var(--line); border-radius: 30px; color: var(--muted); font-size: .67rem; }
.filters { display: grid; grid-template-columns: minmax(150px, .4fr) minmax(0, 1fr); gap: 12px 18px; padding: 20px 24px 18px; border-bottom: 1px solid var(--line); }
.filter-field, .editor-field { display: grid; gap: 8px; min-width: 0; }
.filter-field > span, .editor-field > span { font-size: .76rem; font-weight: 600; }
.filter-field input, .filter-field select, .editor-field select, .editor-field textarea { width: 100%; min-height: 46px; padding: 11px 12px; border: 1px solid var(--line); border-radius: 10px; background: #06141c; font-size: .85rem; line-height: 1.6; }
.filter-field input::placeholder, .editor-field textarea::placeholder { color: #90a6b0; opacity: 1; }
.filter-field input:hover, .filter-field select:hover, .editor-field select:hover, .editor-field textarea:hover { border-color: var(--line-strong); }
.search-field { position: relative; min-width: 0; }
.search-field input { padding-right: 46px; }
.search-field input::-webkit-search-cancel-button { -webkit-appearance: none; }
.search-field > button { position: absolute; right: 3px; bottom: 3px; width: 40px; height: 40px; border: 0; border-radius: 8px; background: transparent; color: var(--muted); font-size: 1.3rem; }
.filter-help { grid-column: 1 / -1; margin: 0; color: var(--muted); font-size: .7rem; line-height: 1.7; }
.notice { margin: 16px 24px 0; padding: 13px 15px; border: 1px solid var(--line-strong); border-radius: 11px; font-size: .77rem; line-height: 1.7; }
.notice.error { display: flex; align-items: center; justify-content: space-between; gap: 14px; border-color: rgba(253, 164, 175, .28); color: var(--red); background: rgba(251, 113, 133, .045); }
.notice.error p { margin: 0; }
.notice.error .button { flex-shrink: 0; }
.notice.warning, .draft-notice { color: var(--amber); border-color: rgba(252, 213, 120, .22); background: rgba(251, 191, 36, .035); }
.list-heading { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 17px 24px 12px; font-size: .71rem; }
.list-heading p { margin: 0; color: var(--muted); }
.list-heading > span { color: var(--muted); font-size: .65rem; }
.inquiry-list { display: grid; gap: 12px; padding: 0 24px 20px; }
.inquiry-card { min-width: 0; border: 1px solid var(--line); border-radius: 13px; background: linear-gradient(135deg, rgba(103, 232, 249, .025), transparent), #0a1b24; }
.inquiry-card.is-dirty { border-color: rgba(252, 213, 120, .3); }
.inquiry-card.is-conflicted { border-color: rgba(253, 164, 175, .35); }
.card-header { display: flex; align-items: flex-start; gap: 12px; padding: 17px 18px 10px; }
.avatar { display: grid; flex: 0 0 36px; place-items: center; width: 36px; height: 36px; border: 1px solid var(--line); border-radius: 11px; background: rgba(103, 232, 249, .055); color: var(--cyan); font-size: .95rem; }
.card-identity { flex: 1; min-width: 0; }
.card-identity h3 { margin: 0; font-size: .95rem; line-height: 1.5; }
.card-identity p { margin: 3px 0 0; color: var(--muted); font-size: .71rem; line-height: 1.6; }
.status-badge { flex-shrink: 0; display: inline-flex; align-items: center; gap: 6px; max-width: 100%; margin-top: 2px; padding: 5px 9px; border: 1px solid currentColor; border-radius: 30px; font-size: .65rem; line-height: 1.4; }
.status-badge::before { width: 5px; height: 5px; flex-shrink: 0; border-radius: 50%; background: currentColor; content: ""; }
.status-new { color: var(--cyan); background: rgba(103, 232, 249, .04); }
.status-contacted { color: var(--violet); background: rgba(167, 139, 250, .04); }
.status-in_progress { color: var(--amber); background: rgba(251, 191, 36, .04); }
.status-closed { color: var(--muted); background: rgba(148, 171, 180, .04); }
.card-tags { display: flex; flex-wrap: wrap; gap: 7px; margin: 0; padding: 0 18px; list-style: none; }
.card-tags li { padding: 3px 8px; border-radius: 6px; background: rgba(148, 171, 180, .065); color: var(--muted); font-size: .67rem; line-height: 1.6; }
.message-preview { display: -webkit-box; overflow: hidden; margin: 12px 18px; color: #c2d3da; font-size: .78rem; line-height: 1.7; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.card-details > summary { display: flex; align-items: center; justify-content: space-between; gap: 14px; min-height: 46px; padding: 10px 18px; border-top: 1px solid var(--line); color: var(--cyan); font-size: .73rem; list-style: none; cursor: pointer; }
.card-details > summary::-webkit-details-marker { display: none; }
.card-details > summary::after { flex-shrink: 0; content: "+"; font-size: 1.1rem; }
.card-details[open] > summary::after { content: "−"; }
.card-details[open] .details-body { border-top: 1px solid var(--line); }
.details-body { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .9fr); }
.request-content { min-width: 0; padding: 20px 18px; }
.section-label { margin: 0 0 14px; color: var(--muted); font-size: .63rem; font-weight: 600; letter-spacing: .12em; }
.contact-info { display: grid; grid-template-columns: 65px minmax(0, 1fr); gap: 9px 12px; margin: 0 0 20px; font-size: .75rem; line-height: 1.7; }
.contact-info dt { color: var(--muted); }
.contact-info dd { min-width: 0; margin: 0; }
.request-message { margin: 0 0 18px; font-size: .82rem; line-height: 1.9; white-space: pre-wrap; }
.reply-link { width: fit-content; }
.reply-help { margin: 9px 0 0; color: var(--muted); font-size: .67rem; line-height: 1.7; }
.inquiry-editor { display: grid; align-content: start; gap: 14px; min-width: 0; padding: 20px 18px; border-left: 1px solid var(--line); background: rgba(4, 15, 21, .25); }
.inquiry-editor .section-label { margin: 0; }
.editor-field textarea { min-height: 140px; resize: vertical; }
.editor-help, .note-count, .updated-meta { margin: 0; color: var(--muted); font-size: .65rem; line-height: 1.7; }
.note-count { text-align: right; font-variant-numeric: tabular-nums; }
.form-feedback { margin: 0; color: var(--amber); font-size: .73rem; line-height: 1.7; }
.form-feedback.error { color: var(--red); }
.form-feedback.success { color: var(--green); }
.form-actions .button { flex: 1; }
.conflict-panel { display: grid; gap: 10px; min-width: 0; padding: 13px; border: 1px solid rgba(253, 164, 175, .28); border-radius: 10px; background: rgba(251, 113, 133, .045); }
.conflict-panel h4 { margin: 0; color: var(--red); font-size: .78rem; }
.conflict-panel p { margin: 0; color: var(--muted); font-size: .7rem; line-height: 1.7; }
.remote-note { max-height: 200px; overflow: auto; padding: 10px; border: 1px solid var(--line); border-radius: 7px; background: #06141c; white-space: pre-wrap; overflow-wrap: anywhere; }
.conflict-panel .button { width: 100%; }
.empty-state { display: grid; justify-items: center; gap: 10px; padding: 48px 24px 58px; text-align: center; }
.empty-state > span { display: grid; place-items: center; width: 56px; height: 56px; border: 1px solid var(--line); border-radius: 17px; color: var(--cyan); font-size: 1.5rem; }
.empty-state h3 { margin: 4px 0 0; font-size: .95rem; }
.empty-state p { max-width: 430px; margin: 0; color: var(--muted); font-size: .77rem; line-height: 1.8; }
.pagination { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 17px 24px; border-top: 1px solid var(--line); background: rgba(4, 15, 21, .22); }
.pagination > div { display: grid; gap: 5px; text-align: center; }
.pagination strong { font-size: .74rem; font-weight: 600; }
.pagination small { color: var(--muted); font-size: .65rem; }
.retained-drafts { margin-top: 24px; border: 1px solid rgba(252, 213, 120, .23); border-radius: 16px; background: rgba(251, 191, 36, .025); }
.retained-drafts > header { padding: 20px 24px 18px; }
.retained-drafts > header p { margin: 10px 0 0; color: var(--muted); font-size: .72rem; line-height: 1.8; }
.workspace-footer { display: grid; gap: 7px; padding: 19px 2px 0; }
.workspace-footer p { margin: 0; color: var(--muted); font-size: .66rem; line-height: 1.8; }

@media (max-width: 1120px) {
  .inquiries-app { grid-template-columns: 190px minmax(0, 1fr); }
  .workspace { padding-inline: 22px; }
  .brand { gap: 8px; padding-inline: 0; }
  .brand small { font-size: .5rem; }
  .topbar { align-items: flex-start; }
  .topbar-actions { justify-content: flex-end; max-width: 170px; }
  .topbar-actions .button { width: 100%; }
  .details-body { grid-template-columns: minmax(0, 1fr); }
  .inquiry-editor { border-left: 0; border-top: 1px solid var(--line); }
}

@media (max-width: 820px) {
  .inquiries-app { display: block; }
  .sidebar { position: static; flex-direction: row; align-items: center; justify-content: space-between; gap: 12px; height: auto; padding: 12px 18px; border-right: 0; border-bottom: 1px solid var(--line); }
  .brand span, .private-note, .sidebar-footer { display: none; }
  .sidebar-nav { display: flex; flex-wrap: wrap; gap: 4px; }
  .sidebar-nav a { gap: 7px; min-height: 44px; padding: 9px 10px; font-size: .73rem; }
  .workspace { padding-inline: 18px; }
  .topbar { padding-block: 24px; }
  .topbar-actions { max-width: none; }
  .topbar-actions .button { width: auto; }
  .metric { padding: 16px; }
}

@media (max-width: 560px) {
  .sidebar { gap: 5px; padding: 10px 12px; }
  .brand img { width: 32px; height: 32px; }
  .sidebar-nav a { padding-inline: 8px; font-size: .68rem; }
  .sidebar-nav a span { display: none; }
  .workspace { padding-inline: 12px; }
  .topbar { flex-direction: column; gap: 18px; padding-block: 22px; }
  .topbar-actions { display: grid; grid-template-columns: 1fr 1fr; width: 100%; gap: 9px; }
  .button { padding-inline: 10px; font-size: .74rem; }
  .overview { gap: 8px; margin-block: 16px; }
  .metric { gap: 8px; padding: 13px 10px; border-radius: 12px; }
  .metric > span { font-size: .64rem; line-height: 1.6; }
  .metric > strong { font-size: 1.5rem; }
  .metric > small { font-size: .6rem; }
  .board { border-radius: 14px; }
  .board-heading { padding: 18px 14px; gap: 10px; }
  .board-heading h2 { font-size: .95rem; }
  .eyebrow { font-size: .58rem; }
  .private-pill { font-size: .6rem; padding-inline: 8px; }
  .filters { grid-template-columns: minmax(0, 1fr); padding: 17px 14px; gap: 14px; }
  .filter-field input, .filter-field select, .editor-field select, .editor-field textarea { font-size: 16px; }
  .notice { margin-inline: 14px; }
  .notice.error { align-items: stretch; flex-direction: column; }
  .list-heading { padding-inline: 14px; }
  .list-heading > span { display: none; }
  .inquiry-list { padding-inline: 12px; }
  .card-header { position: relative; flex-wrap: wrap; gap: 9px; padding: 15px 13px 10px; }
  .avatar { flex-basis: 31px; width: 31px; height: 31px; border-radius: 9px; font-size: .8rem; }
  .card-identity { flex-basis: calc(100% - 45px); }
  .card-header .status-badge { margin-left: 40px; }
  .card-tags { padding-inline: 13px; }
  .message-preview { margin-inline: 13px; }
  .card-details > summary { padding-inline: 13px; }
  .request-content, .inquiry-editor { padding-inline: 13px; }
  .contact-info { grid-template-columns: 58px minmax(0, 1fr); gap: 9px; }
  .pagination { gap: 8px; padding: 15px 12px; }
  .pagination .button { padding-inline: 9px; font-size: .68rem; }
  .pagination strong { font-size: .68rem; }
  .pagination small { font-size: .6rem; }
  .retained-drafts > header { padding-inline: 14px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}