:root {
  color-scheme: light;
  --dd-canvas: #f8fafd;
  --dd-paper: #ffffff;
  --dd-soft: #f0f4f9;
  --dd-hover: #e8f0fe;
  --dd-selected: #c2e7ff;
  --dd-line: #e1e3e1;
  --dd-line-strong: #c4c7c5;
  --dd-ink: #1f1f1f;
  --dd-muted: #444746;
  --dd-muted-weak: #747775;
  --dd-primary: #0b57d0;
  --dd-primary-hover: #0842a0;
  --dd-primary-container: #d3e3fd;
  --dd-green: #0b57d0;
  --dd-green-2: #0b57d0;
  --dd-green-soft: #d7f8de;
  --dd-terracotta: #0b57d0;
  --dd-terracotta-soft: #d3e3fd;
  --dd-amber: #b06000;
  --dd-amber-soft: #ffefc4;
  --dd-blue: #0b57d0;
  --dd-blue-soft: #d3e3fd;
  --dd-red: #b3261e;
  --dd-red-soft: #f9dedc;
  --dd-purple-soft: #eee7f7;
  --dd-shadow: 0 1px 2px rgba(60, 64, 67, .08), 0 1px 3px 1px rgba(60, 64, 67, .05);
  font-family: "Google Sans", Roboto, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  color: var(--dd-ink);
  background: var(--dd-canvas);
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --dd-canvas: #111315;
  --dd-paper: #1b1d1f;
  --dd-soft: #242629;
  --dd-hover: #303236;
  --dd-selected: #004a77;
  --dd-line: #303134;
  --dd-line-strong: #5f6368;
  --dd-ink: #e3e3e3;
  --dd-muted: #c4c7c5;
  --dd-muted-weak: #9aa0a6;
  --dd-primary: #a8c7fa;
  --dd-primary-hover: #c2e7ff;
  --dd-primary-container: #243b53;
  --dd-green: #a8c7fa;
  --dd-green-2: #6dd58c;
  --dd-green-soft: #173624;
  --dd-terracotta: #a8c7fa;
  --dd-terracotta-soft: #243b53;
  --dd-amber: #ffb95c;
  --dd-amber-soft: #3b2f18;
  --dd-blue: #a8c7fa;
  --dd-blue-soft: #243b53;
  --dd-red: #f2b8b5;
  --dd-red-soft: #492626;
  --dd-purple-soft: #342d41;
  --dd-shadow: 0 1px 2px rgba(0, 0, 0, .3);
}

* { box-sizing: border-box; }
html, body { min-height: 100%; margin: 0; }
body { background: var(--dd-canvas); color: var(--dd-ink); font-family: inherit; font-size: 14px; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }
h1, h2, h3, p { margin-top: 0; }

.dd-sidebar {
  position: fixed; inset: 0 auto 0 0; z-index: 30; display: flex; flex-direction: column;
  width: 224px; padding: 28px 16px 24px; background: var(--dd-green); color: white;
}
.dd-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 30px; color: white; }
.dd-brand-mark, .dd-avatar { display: grid; place-items: center; flex: 0 0 auto; background: var(--dd-terracotta); color: white; font-weight: 700; }
.dd-brand-mark { width: 42px; height: 42px; border-radius: 12px; font-size: 12px; }
.dd-brand strong, .dd-brand small { display: block; }
.dd-brand strong { font-size: 18px; }
.dd-brand small { margin-top: 2px; font-size: 8px; font-weight: 500; letter-spacing: .08em; opacity: .58; }
.dd-nav { display: grid; gap: 8px; }
.dd-nav a { display: flex; align-items: center; gap: 10px; min-height: 44px; padding: 0 12px; border-radius: 10px; color: rgba(255,255,255,.72); font-weight: 500; }
.dd-nav a:hover { background: rgba(255,255,255,.08); color: white; }
.dd-nav a[aria-current="page"] { background: #2a604f; color: white; font-weight: 650; }
.dd-nav i { width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.dd-sidebar-spacer { flex: 1; }
.dd-user-menu { margin: 0; padding: 0; border: 0; }
.dd-user-menu summary { display: flex; align-items: center; gap: 10px; padding: 10px; border-radius: 12px; list-style: none; background: rgba(255,255,255,.09); cursor: pointer; }
.dd-user-menu summary::-webkit-details-marker { display: none; }
.dd-avatar { width: 36px; height: 36px; border-radius: 10px; }
.dd-user-menu b, .dd-user-menu small { display: block; color: white; }
.dd-user-menu b { font-size: 12px; }.dd-user-menu small { margin-top: 2px; font-size: 10px; opacity: .58; }
.dd-logout { width: 100%; margin-top: 8px; padding: 9px; border: 1px solid rgba(255,255,255,.16); border-radius: 8px; background: transparent; color: white; }
.dd-main { min-height: 100vh; margin-left: 224px; padding: 30px 36px 48px; }
.dd-mobile-menu { display: none; }

.dd-page-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 24px; margin-bottom: 24px; }
.dd-page-head h1 { margin: 3px 0 6px; font-size: 30px; line-height: 1.2; }
.dd-page-head p { margin: 0; color: var(--dd-muted); }
.dd-kicker { color: var(--dd-terracotta); font-size: 11px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.dd-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.dd-btn, button.dd-btn, a.dd-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 40px; margin: 0; padding: 10px 16px; border: 1px solid var(--dd-line); border-radius: 8px; background: var(--dd-paper); color: var(--dd-ink); font-size: 13px; font-weight: 650; line-height: 1; }
.dd-btn.primary { border-color: var(--dd-terracotta); background: var(--dd-terracotta); color: white; }
.dd-btn.danger { border-color: var(--dd-red); background: var(--dd-red); color: white; }
.dd-btn.small { min-height: 32px; padding: 7px 11px; font-size: 11px; }
.dd-btn.wide { width: 100%; }
.dd-btn:hover { transform: translateY(-1px); box-shadow: 0 6px 14px rgba(38,45,42,.09); }

.dd-card { border: 1px solid var(--dd-line); border-radius: 14px; background: var(--dd-paper); box-shadow: var(--dd-shadow); }
.dd-card-pad { padding: 20px; }
.dd-card-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 18px 20px; border-bottom: 1px solid var(--dd-line); }
.dd-card-head h2, .dd-card-head h3 { margin: 0; font-size: 17px; }
.dd-card-head p { margin: 3px 0 0; color: var(--dd-muted); font-size: 11px; }
.dd-tag { display: inline-flex; align-items: center; width: fit-content; padding: 6px 10px; border-radius: 999px; background: var(--dd-soft); color: var(--dd-muted); font-size: 11px; font-weight: 600; white-space: nowrap; }
.dd-tag.green { background: var(--dd-green-soft); color: var(--dd-green-2); }
.dd-tag.orange { background: var(--dd-terracotta-soft); color: var(--dd-terracotta); }
.dd-tag.amber { background: var(--dd-amber-soft); color: var(--dd-amber); }
.dd-tag.blue { background: var(--dd-blue-soft); color: var(--dd-blue); }
.dd-tag.red { background: var(--dd-red-soft); color: var(--dd-red); }

.dd-greeting { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; padding: 18px 20px; border-radius: 14px; background: var(--dd-terracotta-soft); }
.dd-greeting h2 { margin: 0 0 4px; font-size: 17px; }.dd-greeting p { margin: 0; color: var(--dd-muted); font-size: 12px; }
.dd-greeting time { color: var(--dd-green-2); font-size: 12px; font-weight: 650; text-align: right; }
.dd-metrics { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; margin-bottom: 18px; }
.dd-metric { min-height: 118px; padding: 16px; border: 1px solid var(--dd-line); border-radius: 14px; background: var(--dd-paper); box-shadow: var(--dd-shadow); }
.dd-metric span, .dd-metric small { display: block; color: var(--dd-muted); font-size: 11px; }
.dd-metric strong { display: block; margin: 10px 0 5px; font-size: 30px; }
.dd-metric.attention { background: #fff9ed; }.dd-metric.success { background: var(--dd-green-soft); }
.dd-two-col { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(330px, 1fr); gap: 18px; }
.dd-list { margin: 0; padding: 0; list-style: none; }
.dd-list-row { display: flex; align-items: center; gap: 14px; min-height: 78px; padding: 14px 20px; border-top: 1px solid var(--dd-line); }
.dd-list-row:first-child { border-top: 0; }
.dd-list-row > .grow { min-width: 0; flex: 1; }
.dd-list-row b, .dd-list-row small { display: block; }.dd-list-row small { margin-top: 4px; color: var(--dd-muted); }
.dd-status-dot { width: 34px; height: 34px; border-radius: 10px; background: var(--dd-amber-soft); color: var(--dd-amber); display: grid; place-items: center; font-weight: 800; }
.dd-progress { height: 7px; overflow: hidden; border-radius: 999px; background: var(--dd-soft); }
.dd-progress span { display: block; height: 100%; border-radius: inherit; background: var(--dd-terracotta); }
.dd-batch-summary { display: grid; gap: 8px; padding: 16px 18px; border-top: 1px solid var(--dd-line); }
.dd-batch-summary:first-of-type { border-top: 0; }

.dd-toolbar { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; flex-wrap: wrap; }
.dd-toolbar form { display: contents; }
.dd-control, input.dd-control, select.dd-control, textarea.dd-control,
.dd-form-stack input, .dd-form-stack select, .dd-form-stack textarea,
.dd-form-grid input, .dd-form-grid select, .dd-form-grid textarea {
  width: 100%; min-height: 42px; margin: 0; padding: 10px 12px; border: 1px solid var(--dd-line);
  border-radius: 8px; outline: 0; background: var(--dd-paper); color: var(--dd-ink); box-shadow: none;
}
.dd-control:focus, input:focus, textarea:focus, select:focus { border-color: var(--dd-green-2); box-shadow: 0 0 0 3px rgba(50,107,94,.12); }
.dd-search { min-width: 300px; flex: 1; }
.dd-table-wrap { overflow: auto; border: 1px solid var(--dd-line); border-radius: 14px; background: var(--dd-paper); }
.dd-table { width: 100%; margin: 0; border-collapse: collapse; font-size: 12px; }
.dd-table th { padding: 12px 14px; background: var(--dd-soft); color: var(--dd-muted); font-size: 11px; text-align: left; white-space: nowrap; }
.dd-table td { padding: 14px; border-top: 1px solid var(--dd-line); vertical-align: middle; }
.dd-table tbody tr:hover { background: #fbf7f0; }
.dd-identity { display: flex; align-items: center; gap: 10px; min-width: 170px; }
.dd-initial { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 10px; background: var(--dd-terracotta-soft); color: var(--dd-terracotta); font-weight: 700; }
.dd-identity b, .dd-identity small { display: block; }.dd-identity small { margin-top: 2px; color: var(--dd-muted); }

.dd-form-stack { display: grid; gap: 16px; }
.dd-form-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 18px; }
.dd-form-grid .wide { grid-column: 1 / -1; }
.dd-form-stack label, .dd-form-grid label { display: grid; gap: 7px; color: var(--dd-muted); font-size: 12px; font-weight: 600; }
.dd-form-stack textarea, .dd-form-grid textarea { min-height: 105px; resize: vertical; }
.dd-choice { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.dd-choice label { display: flex; align-items: flex-start; gap: 10px; padding: 16px; border: 1px solid var(--dd-line); border-radius: 10px; background: var(--dd-paper); }
.dd-choice input { width: auto; min-height: 0; margin-top: 2px; }
.dd-choice b, .dd-choice small { display: block; }.dd-choice small { margin-top: 4px; color: var(--dd-muted); }

.dd-stepper { display: grid; grid-template-columns: repeat(5, 1fr); gap: 4px; margin-bottom: 20px; }
.dd-step { display: flex; align-items: center; gap: 8px; min-height: 44px; padding: 9px 10px; border-radius: 9px; background: var(--dd-soft); color: var(--dd-muted); font-size: 11px; font-weight: 650; }
.dd-step b { display: grid; place-items: center; width: 22px; height: 22px; border-radius: 50%; background: var(--dd-line); color: white; }
.dd-step.done { background: var(--dd-green-soft); color: var(--dd-green-2); }.dd-step.done b { background: var(--dd-green-2); }
.dd-step.active { background: var(--dd-terracotta); color: white; }.dd-step.active b { background: white; color: var(--dd-terracotta); }
.dd-batch-layout { display: grid; grid-template-columns: 300px minmax(0, 1fr); gap: 18px; align-items: start; }
.dd-item-list { overflow: hidden; }
.dd-item-link { display: block; padding: 14px 16px; border-top: 1px solid var(--dd-line); }
.dd-item-link:first-of-type { border-top: 0; }.dd-item-link:hover, .dd-item-link.active { background: var(--dd-terracotta-soft); }
.dd-item-link b, .dd-item-link small { display: block; }.dd-item-link small { margin-top: 5px; color: var(--dd-muted); }
.dd-editor { min-height: 630px; padding: 20px; }
.dd-editor-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; margin-bottom: 14px; }
.dd-editor-head h2 { margin: 0 0 4px; font-size: 18px; }.dd-editor-head p { margin: 0; color: var(--dd-muted); font-size: 11px; }
.dd-ai-note { margin-bottom: 16px; padding: 14px; border-radius: 10px; background: var(--dd-terracotta-soft); color: var(--dd-muted); line-height: 1.6; }
.dd-ai-note b { display: block; margin-bottom: 4px; color: var(--dd-terracotta); }
.dd-copy-body { min-height: 280px !important; line-height: 1.6; }
.dd-editor-actions { display: flex; justify-content: space-between; gap: 12px; margin-top: 14px; }
.dd-empty { display: grid; place-items: center; min-height: 360px; padding: 40px; text-align: center; }
.dd-empty i { display: grid; place-items: center; width: 54px; height: 54px; margin: 0 auto 14px; border-radius: 50%; background: var(--dd-terracotta-soft); color: var(--dd-terracotta); font-size: 24px; font-style: normal; }
.dd-alert { padding: 13px 14px; border-radius: 10px; line-height: 1.5; }
.dd-alert.info { background: var(--dd-blue-soft); }.dd-alert.warning { background: var(--dd-amber-soft); }.dd-alert.danger { background: var(--dd-red-soft); color: var(--dd-red); }.dd-alert.success { background: var(--dd-green-soft); color: var(--dd-green-2); }
.dd-import-actions form { display: inline-flex; }
.dd-file-input { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.dd-file-input:focus + .dd-btn { border-color: var(--dd-primary); box-shadow: 0 0 0 3px rgba(11,87,208,.16); }
.dd-import-feedback { padding: 16px 20px 0; }
.dd-import-summary { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-top: 8px; }
.dd-import-summary span { color: inherit; }
.dd-import-errors { margin: 10px 0 0; padding-left: 20px; }
.dd-inline-add-panel { padding: 20px; border-bottom: 1px solid var(--dd-line); background: var(--dd-soft); }
.dd-inline-add-panel[hidden] { display: none; }
.dd-inline-add-panel > div { margin-bottom: 16px; }
.dd-inline-add-panel h3 { margin: 0 0 5px; font-size: 16px; }
.dd-inline-add-panel p { margin: 0; color: var(--dd-muted); font-size: 12px; }
.dd-inline-add-panel .dd-actions { justify-content: flex-end; }
.dd-send-message { margin-bottom: 16px; }
.dd-schedule-builder { margin-bottom: 18px; }
.dd-schedule-form { display: grid; grid-template-columns: minmax(260px,1.2fr) 1fr 1fr auto; gap: 16px; align-items: end; padding: 18px 20px; }
.dd-schedule-form label { display: grid; gap: 7px; color: var(--dd-muted); font-size: 12px; font-weight: 600; }
.dd-schedule-form input { width: 100%; min-height: 42px; padding: 10px 12px; border: 1px solid var(--dd-line); border-radius: 8px; background: var(--dd-paper); color: var(--dd-ink); }
.dd-schedule-form > div { display: grid; gap: 5px; min-height: 42px; }
.dd-schedule-form span, .dd-schedule-form small { color: var(--dd-muted); font-size: 11px; }
.dd-schedule-form b { font-size: 13px; }
.dd-blocked-list { display: flex; flex-wrap: wrap; gap: 8px 18px; padding: 14px 20px; border-top: 1px solid var(--dd-line); color: var(--dd-muted); font-size: 11px; }
.dd-blocked-list b { color: var(--dd-ink); }
.dd-send-error { color: var(--dd-red) !important; }

.dd-kanban { display: grid; grid-template-columns: repeat(8, minmax(150px, 1fr)); gap: 12px; overflow-x: auto; padding-bottom: 10px; }
.dd-kanban-col { min-height: 600px; padding: 12px; border-radius: 12px; background: var(--dd-blue-soft); }
.dd-kanban-col:nth-child(2) { background: var(--dd-terracotta-soft); }.dd-kanban-col:nth-child(3) { background: var(--dd-amber-soft); }.dd-kanban-col:nth-child(4) { background: var(--dd-purple-soft); }.dd-kanban-col:nth-child(5) { background: var(--dd-soft); }.dd-kanban-col:nth-child(7), .dd-kanban-col:nth-child(8) { background: var(--dd-green-soft); }
.dd-kanban-title { display: flex; justify-content: space-between; gap: 8px; margin-bottom: 10px; font-size: 11px; font-weight: 700; }
.dd-kanban-title span { display: grid; place-items: center; min-width: 22px; height: 22px; border-radius: 50%; background: rgba(255,255,255,.76); }
.dd-kanban-card { display: grid; gap: 7px; margin-bottom: 9px; padding: 12px; border: 1px solid rgba(80,75,65,.12); border-radius: 9px; background: var(--dd-paper); box-shadow: 0 4px 14px rgba(30,40,36,.05); }
.dd-kanban-card b { font-size: 11px; }.dd-kanban-card small { color: var(--dd-muted); }.dd-kanban-card time { color: var(--dd-terracotta); font-size: 10px; font-weight: 650; }
.dd-profile-grid { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(340px, .85fr); gap: 18px; }
.dd-profile-hero { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 14px; margin-bottom: 18px; }
.dd-profile-box { min-height: 160px; padding: 18px; }.dd-profile-box h2 { margin: 0 0 8px; font-size: 18px; }.dd-profile-box p { color: var(--dd-muted); }
.dd-timeline { display: grid; gap: 0; }
.dd-event { position: relative; display: grid; grid-template-columns: 18px 1fr; gap: 10px; padding-bottom: 18px; }
.dd-event::before { content: ""; position: absolute; left: 7px; top: 15px; bottom: 0; width: 1px; background: var(--dd-line); }
.dd-event:last-child::before { display: none; }.dd-event i { position: relative; z-index: 1; width: 15px; height: 15px; border-radius: 50%; background: var(--dd-terracotta); }
.dd-event b, .dd-event small { display: block; }.dd-event small { margin-top: 3px; color: var(--dd-muted); }
.dd-details { margin-top: 14px; border-top: 1px solid var(--dd-line); padding-top: 14px; }
.dd-details summary { color: var(--dd-terracotta); font-weight: 650; cursor: pointer; }

.dd-settings-tabs { display: flex; gap: 8px; margin-bottom: 20px; flex-wrap: wrap; }.dd-settings-tabs a { padding: 8px 12px; border-radius: 999px; background: var(--dd-paper); color: var(--dd-muted); }.dd-settings-tabs a.active { background: var(--dd-terracotta); color: white; }
.dd-settings-grid { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(320px, .8fr); gap: 18px; }
.dd-signature { min-height: 150px; padding: 22px; border: 1px solid var(--dd-line); border-radius: 10px; background: var(--dd-paper); white-space: pre-line; font-size: 15px; line-height: 1.7; }

.dd-auth-main { min-height: 100vh; }
.dd-login-shell { display: grid; grid-template-columns: 1.05fr .95fr; min-height: 100vh; }
.dd-login-brand { display: flex; flex-direction: column; padding: 48px 56px; overflow: hidden; background: var(--dd-green); color: white; }
.dd-login-logo { display: grid; grid-template-columns: 54px 1fr; align-items: center; column-gap: 14px; }
.dd-login-logo span { grid-row: 1 / 3; display: grid; place-items: center; width: 54px; height: 54px; border-radius: 14px; background: var(--dd-terracotta); font-weight: 700; }
.dd-login-logo strong { font-size: 24px; }.dd-login-logo small { color: rgba(255,255,255,.66); }
.dd-login-brand h1 { margin: 70px 0 22px; font-size: clamp(34px, 4vw, 54px); line-height: 1.25; color: white; }.dd-login-brand > p { color: rgba(255,255,255,.68); font-size: 17px; line-height: 1.7; }
.dd-room-art { position: relative; flex: 1; min-height: 280px; margin-top: 30px; overflow: hidden; border-radius: 24px; background: #1f5746; }
.dd-room-art i { position: absolute; right: 70px; top: 36px; width: 180px; height: 180px; border-radius: 50%; background: var(--dd-terracotta); }
.dd-room-art b { position: absolute; inset: 58% 0 0; background: #546b58; }.dd-room-art span { position: absolute; left: 31%; top: 58%; width: 38%; height: 16px; border-radius: 10px; background: #b38b61; }
.dd-login-form-wrap { display: grid; place-items: center; padding: 36px; background: var(--dd-canvas); }
.dd-login-card { width: min(456px, 100%); padding: 34px 32px; border: 1px solid var(--dd-line); border-radius: 18px; background: var(--dd-paper); box-shadow: var(--dd-shadow); }
.dd-login-card h2 { margin: 0 0 8px; font-size: 28px; }.dd-login-card > p { color: var(--dd-muted); }.dd-login-card > small { display: block; margin-top: 22px; color: var(--dd-muted); }

@media (max-width: 1100px) {
  .dd-sidebar { width: 196px; }.dd-main { margin-left: 196px; padding-inline: 24px; }
  .dd-metrics { grid-template-columns: repeat(2, 1fr); }.dd-two-col, .dd-settings-grid { grid-template-columns: 1fr; }
  .dd-profile-hero { grid-template-columns: 1fr 1fr; }.dd-batch-layout { grid-template-columns: 250px minmax(0,1fr); }
  .dd-schedule-form { grid-template-columns: repeat(2, minmax(0,1fr)); }
}
@media (max-width: 760px) {
  .dd-sidebar { transform: translateX(-100%); transition: transform .2s; }.nav-open .dd-sidebar { transform: translateX(0); }
  .dd-mobile-menu { display: block; position: fixed; z-index: 40; top: 12px; left: 12px; width: 42px; height: 42px; border: 0; border-radius: 10px; background: var(--dd-green); color: white; }
  .dd-main { margin-left: 0; padding: 70px 14px 30px; }.dd-page-head { flex-direction: column; }.dd-actions { width: 100%; }
  .dd-metrics, .dd-profile-hero, .dd-form-grid { grid-template-columns: 1fr; }.dd-two-col, .dd-profile-grid, .dd-batch-layout { grid-template-columns: 1fr; }
  .dd-stepper { grid-template-columns: 1fr; }.dd-item-list { max-height: 280px; overflow: auto; }.dd-form-grid .wide { grid-column: auto; }
  .dd-schedule-form { grid-template-columns: 1fr; }.dd-schedule-form .dd-btn { width: 100%; }
  .dd-login-shell { grid-template-columns: 1fr; }.dd-login-brand { min-height: 420px; padding: 38px 26px; }.dd-login-brand h1 { margin-top: 42px; }.dd-room-art { display: none; }
  .dd-login-form-wrap { padding: 22px 14px; }.dd-table { min-width: 860px; }
}

/* Password-only enterprise mail settings */
.dd-credential-layout { align-items: start; }
.dd-card-head-inline { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; }
.dd-card-head-inline > div { min-width: 0; }
.dd-card-head-inline h2 { display: inline; vertical-align: middle; }
.dd-card-head-inline p { margin: 5px 0 0 34px; color: var(--dd-muted); }
.dd-mail-icon { margin-right: 8px; color: var(--dd-primary); vertical-align: -5px; }
.dd-credential-state { display: inline-flex; align-items: center; flex: 0 0 auto; min-height: 28px; padding: 4px 10px; border-radius: 999px; background: var(--dd-soft); color: var(--dd-muted); font-size: 12px; font-weight: 700; }
.dd-credential-state.success { background: var(--dd-green-soft); color: var(--dd-green-2); }
.dd-credential-state.danger { background: var(--dd-red-soft); color: var(--dd-red); }
.dd-readonly-settings { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin: 22px 0; }
.dd-readonly-settings > div { min-width: 0; padding: 13px 14px; border: 1px solid var(--dd-line); border-radius: 12px; background: var(--dd-soft); }
.dd-readonly-settings dt { margin-bottom: 5px; color: var(--dd-muted-weak); font-size: 12px; font-weight: 700; }
.dd-readonly-settings dd { margin: 0; overflow-wrap: anywhere; color: var(--dd-ink); font-weight: 650; }
.dd-mail-help { margin-bottom: 16px; }
.dd-mail-password-form { padding-top: 4px; }
.dd-mail-password-form small { display: block; margin-top: 6px; color: var(--dd-muted-weak); font-weight: 500; }
.dd-clear-secret { margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--dd-line); }
.dd-secret-details { padding: 12px 14px; border: 1px solid var(--dd-line); border-radius: 12px; background: var(--dd-soft); }
.dd-secret-details summary { cursor: pointer; color: var(--dd-muted); font-weight: 700; }
.dd-secret-details label { display: block; margin-top: 10px; color: var(--dd-muted); }
.dd-inline-result { min-height: 22px; color: var(--dd-muted); font-size: 13px; font-weight: 700; }
.dd-inline-result.success { color: var(--dd-green-2); }
.dd-inline-result.danger { color: var(--dd-red); }
.dd-ai-config-card { grid-column: 1 / -1; }
.dd-ai-connection-grid { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); gap: 14px; }
.dd-ai-connection-grid small { display: block; margin-top: 6px; color: var(--dd-muted-weak); font-weight: 500; }
.dd-model-map { overflow: hidden; border: 1px solid var(--dd-line); border-radius: 14px; }
.dd-model-map-head,
.dd-model-map-row { display: grid; grid-template-columns: 110px minmax(160px, .9fr) minmax(220px, 1.25fr) 124px; gap: 10px; align-items: center; }
.dd-model-map-head { padding: 10px 14px; background: var(--dd-soft); color: var(--dd-muted); font-size: 12px; font-weight: 750; }
.dd-model-map-row { min-height: 66px; padding: 10px 14px; border-top: 1px solid var(--dd-line); background: var(--dd-paper); }
.dd-model-map-row label { margin: 0; }
.dd-model-map-row input[type="text"],
.dd-model-map-row input:not([type]) { width: 100%; }
.dd-model-role b,
.dd-model-role small { display: block; }
.dd-model-role b { color: var(--dd-ink); }
.dd-model-role small { margin-top: 3px; color: var(--dd-primary); font-size: 11px; }
.dd-form-stack label.dd-model-capability { display: inline-flex; flex-direction: row; align-items: center; justify-content: flex-start; gap: 8px; color: var(--dd-muted); font-weight: 700; }
.dd-form-stack label.dd-model-capability input { width: 18px; height: 18px; margin: 0; padding: 0; accent-color: var(--dd-primary); }
.dd-mobile-field-label { display: none; }

@media (max-width: 760px) {
  .dd-card-head-inline { align-items: flex-start; }
  .dd-readonly-settings { grid-template-columns: 1fr; }
  .dd-ai-connection-grid { grid-template-columns: 1fr; }
  .dd-model-map { overflow: visible; border: 0; }
  .dd-model-map-head { display: none; }
  .dd-model-map-row { display: grid; grid-template-columns: 1fr; gap: 10px; margin-bottom: 12px; padding: 14px; border: 1px solid var(--dd-line); border-radius: 12px; background: var(--dd-soft); }
  .dd-model-map-row:first-of-type { border-top: 1px solid var(--dd-line); }
  .dd-mobile-field-label { display: block; margin-bottom: 5px; color: var(--dd-muted-weak); font-size: 11px; }
}

/* Google Drive-inspired theme layer */
@font-face {
  font-family: "Material Symbols Outlined";
  font-style: normal;
  font-weight: 400;
  src: url("/static/fonts/material-symbols-outlined.woff2") format("woff2");
  font-display: block;
}

:root {
  --dd-on-primary: #ffffff;
  --dd-on-selected: #001d35;
}

:root[data-theme="dark"] {
  --dd-on-primary: #062e6f;
  --dd-on-selected: #c2e7ff;
}

.dd-material-icon {
  display: inline-block;
  font-family: "Material Symbols Outlined";
  font-size: 20px;
  font-style: normal;
  font-weight: 400;
  line-height: 1;
  letter-spacing: normal;
  text-rendering: optimizeLegibility;
  text-transform: none;
  white-space: nowrap;
  word-wrap: normal;
  direction: ltr;
  -webkit-font-feature-settings: "liga";
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--dd-selected); color: var(--dd-on-selected); }

.dd-theme-toggle {
  position: fixed;
  z-index: 70;
  top: 22px;
  right: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-width: 74px;
  height: 42px;
  padding: 0 14px;
  border: 1px solid var(--dd-line);
  border-radius: 999px;
  background: var(--dd-paper);
  color: var(--dd-muted);
  box-shadow: var(--dd-shadow);
}

.dd-theme-toggle:hover { background: var(--dd-hover); color: var(--dd-primary); }
.dd-theme-toggle:focus-visible { outline: 3px solid var(--dd-primary-container); outline-offset: 2px; }
.dd-theme-label { font-size: 12px; font-weight: 650; }

body,
.dd-sidebar,
.dd-card,
.dd-table-wrap,
.dd-theme-toggle,
.dd-control,
input,
textarea,
select {
  transition: background-color .18s ease, border-color .18s ease, color .18s ease, box-shadow .18s ease;
}

.dd-sidebar {
  border-right: 1px solid var(--dd-line);
  background: var(--dd-canvas);
  color: var(--dd-ink);
}

.dd-brand { color: var(--dd-ink); }
.dd-brand-mark, .dd-avatar { background: var(--dd-primary); color: var(--dd-on-primary); }
.dd-brand small { color: var(--dd-muted-weak); opacity: 1; }

.dd-nav a { color: var(--dd-muted); }
.dd-nav a:hover { background: var(--dd-hover); color: var(--dd-ink); }
.dd-nav a[aria-current="page"] { background: var(--dd-selected); color: var(--dd-on-selected); }
.dd-nav i { width: 6px; height: 6px; }

.dd-user-menu summary { border: 1px solid var(--dd-line); background: var(--dd-paper); }
.dd-user-menu summary:hover { background: var(--dd-hover); }
.dd-user-menu b { color: var(--dd-ink); }
.dd-user-menu small { color: var(--dd-muted-weak); opacity: 1; }
.dd-logout { border-color: var(--dd-line-strong); color: var(--dd-muted); }
.dd-logout:hover { background: var(--dd-hover); color: var(--dd-primary); }

.dd-page-head { padding-right: 92px; }
.dd-kicker { color: var(--dd-primary); }

.dd-btn,
button.dd-btn,
a.dd-btn {
  border-color: var(--dd-line-strong);
  border-radius: 999px;
  background: var(--dd-paper);
  color: var(--dd-primary);
  box-shadow: none;
}

.dd-btn:hover { transform: none; background: var(--dd-hover); box-shadow: none; }
.dd-btn.primary { border-color: var(--dd-primary); background: var(--dd-primary); color: var(--dd-on-primary); }
.dd-btn.primary:hover { border-color: var(--dd-primary-hover); background: var(--dd-primary-hover); }
.dd-btn.danger { border-color: var(--dd-red); background: var(--dd-red); color: #ffffff; }

.dd-card,
.dd-table-wrap,
.dd-metric {
  border-color: var(--dd-line);
  background: var(--dd-paper);
  box-shadow: var(--dd-shadow);
}

.dd-card-head,
.dd-list-row,
.dd-batch-summary,
.dd-table td { border-color: var(--dd-line); }

.dd-greeting { border: 1px solid var(--dd-line); background: var(--dd-soft); }
.dd-greeting time { color: var(--dd-primary); }
.dd-metric.attention,
.dd-metric.success { background: var(--dd-paper); }
.dd-metric.attention { border-top: 3px solid var(--dd-amber); }
.dd-metric.success { border-top: 3px solid var(--dd-green-2); }
.dd-progress { background: var(--dd-soft); }
.dd-progress span { background: var(--dd-primary); }

.dd-control,
input.dd-control,
select.dd-control,
textarea.dd-control,
.dd-form-stack input,
.dd-form-stack select,
.dd-form-stack textarea,
.dd-form-grid input,
.dd-form-grid select,
.dd-form-grid textarea {
  border-color: var(--dd-line-strong);
  background: var(--dd-paper);
  color: var(--dd-ink);
}

input::placeholder,
textarea::placeholder { color: var(--dd-muted-weak); opacity: 1; }
.dd-control:focus,
input:focus,
textarea:focus,
select:focus { border-color: var(--dd-primary); box-shadow: 0 0 0 2px var(--dd-primary-container); }

.dd-table th { background: var(--dd-soft); color: var(--dd-muted); }
.dd-table tbody tr:hover { background: var(--dd-hover); }
.dd-initial { background: var(--dd-primary-container); color: var(--dd-primary); }

.dd-choice label { background: var(--dd-paper); }
.dd-choice label:has(input:checked) { border-color: var(--dd-primary); background: var(--dd-primary-container); }
.dd-step { background: var(--dd-soft); color: var(--dd-muted); }
.dd-step b { background: var(--dd-line-strong); }
.dd-step.done { background: var(--dd-green-soft); color: var(--dd-green-2); }
.dd-step.done b { background: var(--dd-green-2); color: #ffffff; }
.dd-step.active { background: var(--dd-primary); color: var(--dd-on-primary); }
.dd-step.active b { background: var(--dd-on-primary); color: var(--dd-primary); }
.dd-item-link:hover,
.dd-item-link.active { background: var(--dd-selected); }
.dd-ai-note { background: var(--dd-primary-container); }
.dd-ai-note b { color: var(--dd-primary); }
.dd-empty i { background: var(--dd-primary-container); color: var(--dd-primary); }

.dd-kanban-col,
.dd-kanban-col:nth-child(n) {
  position: relative;
  border: 1px solid var(--dd-line);
  border-top: 3px solid var(--dd-primary);
  background: var(--dd-soft);
}
.dd-kanban-col:nth-child(2) { border-top-color: #a142f4; }
.dd-kanban-col:nth-child(3) { border-top-color: var(--dd-amber); }
.dd-kanban-col:nth-child(4) { border-top-color: #9334e6; }
.dd-kanban-col:nth-child(5) { border-top-color: var(--dd-muted-weak); }
.dd-kanban-col:nth-child(6) { border-top-color: #1a73e8; }
.dd-kanban-col:nth-child(7) { border-top-color: var(--dd-green-2); }
.dd-kanban-col:nth-child(8) { border-top-color: #137333; }
.dd-kanban-title span { background: var(--dd-paper); color: var(--dd-muted); }
.dd-kanban-card { border-color: var(--dd-line); background: var(--dd-paper); box-shadow: var(--dd-shadow); }
.dd-kanban-card:hover { border-color: var(--dd-primary); }
.dd-kanban-card time { color: var(--dd-red); }
.dd-event i { background: var(--dd-primary); }
.dd-details summary { color: var(--dd-primary); }

.dd-settings-tabs a { border: 1px solid transparent; background: transparent; }
.dd-settings-tabs a:hover { background: var(--dd-hover); }
.dd-settings-tabs a.active { border-color: var(--dd-selected); background: var(--dd-selected); color: var(--dd-on-selected); }
.dd-signature { background: var(--dd-paper); }
.dd-settings-grid > .dd-alert.info { border-top: 3px solid var(--dd-primary); background: var(--dd-paper); }

.dd-login-brand {
  justify-content: center;
  border-right: 1px solid var(--dd-line);
  background: var(--dd-soft);
  color: var(--dd-ink);
}
.dd-login-logo span { background: var(--dd-primary); color: var(--dd-on-primary); }
.dd-login-logo small,
.dd-login-brand > p { color: var(--dd-muted); }
.dd-login-brand h1 { color: var(--dd-ink); }
.dd-room-art { display: none; }
.dd-login-form-wrap { background: var(--dd-canvas); }
.dd-login-card { border-color: var(--dd-line); background: var(--dd-paper); box-shadow: var(--dd-shadow); }

:root[data-theme="dark"] :where(
  .panel,
  .stat-card,
  .metric-box,
  .settings-section,
  .copy-editor-shell,
  .copy-context-card,
  .copy-tool-card,
  .analytics-summary > div,
  .safety-count,
  .safety-copy,
  .result-tag-card,
  .mode-card,
  .file-drop,
  .app-main > main article,
  .app-main > article
) {
  border-color: var(--dd-line) !important;
  background: var(--dd-paper) !important;
  color: var(--dd-ink) !important;
}

:root[data-theme="dark"] .navbar__menu { background: var(--dd-paper) !important; }
:root[data-theme="dark"] .result-code { background: #090a0b; color: var(--dd-ink); }

@media (prefers-reduced-motion: reduce) {
  body,
  .dd-sidebar,
  .dd-card,
  .dd-table-wrap,
  .dd-theme-toggle,
  .dd-control,
  input,
  textarea,
  select { transition: none; }
}

@media (max-width: 760px) {
  .dd-theme-toggle { top: 12px; right: 12px; height: 42px; min-width: 42px; padding: 0 11px; }
  .dd-theme-label { display: none; }
  .dd-page-head { padding-right: 0; }
  .dd-mobile-menu { display: grid; place-items: center; border: 1px solid var(--dd-line); background: var(--dd-paper); color: var(--dd-primary); box-shadow: var(--dd-shadow); }
  .dd-login-brand { min-height: 350px; }
}