:root {
  --bg: #F4F6F8;
  --surface: #FFFFFF;
  --text: #15181C;
  --muted: #5B6572;
  --border: #D8DEE6;
  --accent: #0F766E;
  --accent-subtle: #E6F4F1;
  --danger: #B42318;
  --code-bg: #101418;
  --code-text: #E6EDF3;
  --warning: #B7791F;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html,
body {
  width: 100%;
  min-width: 0;
  height: 100%;
  margin: 0;
}

body {
  max-width: 100%;
  overflow: hidden;
  color: var(--text);
  background: var(--bg);
  font: 400 14px/1.5 ui-sans-serif, "Segoe UI", "Microsoft YaHei", sans-serif;
}

button,
input,
select,
textarea {
  max-width: 100%;
  font: inherit;
}

button,
select,
input,
textarea {
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  background: var(--surface);
}

button {
  min-height: 36px;
  padding: 0 14px;
  font-weight: 700;
  white-space: nowrap;
  cursor: pointer;
}

button:disabled,
textarea:disabled,
input:disabled,
select:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

textarea,
input,
select {
  width: 100%;
  padding: 9px 10px;
}

textarea {
  resize: vertical;
}

label {
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  line-height: 1.35;
}

a {
  color: var(--accent);
  font-weight: 700;
  text-decoration: none;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.auth-page {
  min-height: 100%;
  display: flex;
  flex-direction: column;
  overflow: auto;
  padding: 0;
  background: #F7F8FA;
}

.admin-login-shell {
  display: grid;
  place-items: center;
  height: 100%;
  min-height: 0;
  overflow: auto;
  padding: 20px;
}

.login-shell {
  width: min(100%, 360px);
}

.auth-page .login-shell {
  width: 100%;
  min-height: 0;
  flex: 1 1 auto;
  display: grid;
  place-items: center;
  padding: 72px clamp(18px, 5vw, 56px);
}

.admin-login-shell .login-panel {
  width: min(100%, 420px);
}

.login-brand p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.login-panel,
.panel,
.session-sidebar,
.chat-workspace,
.admin-detail {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.login-panel,
.panel {
  min-width: 0;
  padding: 18px;
}

.auth-page .login-panel {
  width: min(420px, 100%);
  padding: 28px;
  box-shadow: 0 22px 70px rgba(15, 23, 42, 0.08);
}

.login-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  color: #FFFFFF;
  background: var(--accent);
  font-weight: 900;
}

.login-brand h1,
.section-heading h1,
.panel h1,
.panel h2 {
  margin: 0;
  font-size: 16px;
  line-height: 1.25;
}

.stack-form {
  display: grid;
  gap: 9px;
}

.inline-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
}

.primary-button {
  color: #FFFFFF;
  background: var(--accent);
  border-color: var(--accent);
}

.secondary-button {
  color: var(--accent);
  background: var(--accent-subtle);
  border-color: #B7D9D2;
}

.compact-button {
  min-height: 30px;
  padding: 0 10px;
  font-size: 12px;
}

.sidebar-collapse-button {
  justify-self: end;
  min-width: 28px;
  width: 28px;
  height: 28px;
  min-height: 28px;
  padding: 0;
  display: inline-grid;
  place-items: center;
  color: var(--accent);
  background: var(--accent-subtle);
  border-color: color-mix(in srgb, var(--accent) 42%, var(--border));
  border-radius: 999px;
  font-size: 15px;
  line-height: 1;
}

.admin-section-nav > .sidebar-collapse-button {
  margin-bottom: 2px;
}

.sidebar-heading-actions {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.icon-button {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  min-height: 32px;
  padding: 0;
  border-radius: 6px;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(21, 24, 28, 0.48);
}

.modal-panel {
  width: min(100%, 560px);
  max-height: min(720px, calc(100vh - 40px));
  min-width: 0;
  overflow: auto;
  padding: 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 20px 60px rgba(21, 24, 28, 0.18);
}

.modal-head,
.modal-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.modal-head {
  margin-bottom: 14px;
}

.modal-head h2 {
  margin: 0;
  font-size: 16px;
  line-height: 1.25;
}

.modal-actions {
  justify-content: flex-end;
  flex-wrap: wrap;
}

.segmented-field {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.segmented-field legend {
  width: 100%;
  margin-bottom: 2px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.segmented-field label,
.checkbox-line {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
}

.segmented-field input,
.checkbox-line input {
  width: auto;
  margin: 0;
}

.feedback-workspace {
  display: grid;
  gap: 12px;
  min-height: 0;
}

.feedback-list,
.feedback-detail-pane,
.feedback-detail-body {
  min-width: 0;
}

.feedback-row {
  display: grid;
  width: 100%;
  min-height: 54px;
  margin-bottom: 8px;
  padding: 8px 10px;
  text-align: left;
  background: var(--surface);
}

.feedback-row.active {
  border-color: var(--accent);
  background: var(--accent-subtle);
}

.feedback-row strong,
.feedback-row span {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
}

.feedback-row span,
.feedback-text-block h3,
.feedback-github-box h3 {
  color: var(--muted);
  font-size: 12px;
}

.feedback-text-block pre {
  max-height: 220px;
  min-width: 0;
  overflow: auto;
  padding: 10px;
  color: var(--code-text);
  background: var(--code-bg);
  border-radius: 6px;
  white-space: pre-wrap;
}

.feedback-github-box {
  display: grid;
  gap: 8px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}

.landing-button {
  min-width: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0 14px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-weight: 800;
  line-height: 1.2;
  white-space: nowrap;
}

.danger-button {
  color: var(--danger);
  background: #FFF5F3;
  border-color: #F0B8B2;
}

.error-line,
.status-line {
  min-height: 18px;
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  font-weight: 500;
  line-height: 1.35;
}

.error-line:not(:empty) {
  color: var(--danger);
}

.success-line {
  color: var(--success, #2e7d32);
  min-height: 18px;
  margin: 0;
}

.app-shell {
  height: 100vh;
  min-width: 0;
  display: grid;
  grid-template-rows: 48px minmax(0, 1fr);
}

.landing-page {
  overflow: auto;
}

.landing-shell {
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr auto;
}

.landing-topbar,
.landing-footer {
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px clamp(18px, 5vw, 56px);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.landing-footer {
  align-items: start;
  border-top: 1px solid var(--border);
  border-bottom: 0;
}

.landing-brand,
.landing-nav,
.landing-actions {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 10px;
}

.landing-brand {
  color: var(--text);
  font-size: 16px;
  font-weight: 900;
}

.landing-nav {
  flex-wrap: wrap;
  justify-content: flex-end;
}

.landing-nav a,
.portal-logout-button,
.portal-user-pill {
  min-height: 32px;
  display: inline-flex;
  align-items: center;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.auth-page .login-brand {
  margin-bottom: 22px;
}

.auth-page .login-brand h1 {
  font-size: 22px;
}

.auth-page .stack-form {
  gap: 10px;
}

.auth-page .stack-form input {
  min-height: 42px;
  background: #FFFFFF;
}

.auth-page .primary-button {
  min-height: 42px;
  margin-top: 2px;
}

.portal-auth-slot {
  min-width: 0;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.portal-user-pill {
  max-width: 160px;
  padding: 0 10px;
  color: var(--text);
  background: var(--accent-subtle);
  border: 1px solid var(--border);
  border-radius: 999px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.portal-logout-button {
  padding: 0;
  background: transparent;
  border: 0;
  cursor: pointer;
}

.auth-topbar {
  width: 100%;
  flex: 0 0 auto;
  z-index: 20;
}

.landing-hero,
.landing-section {
  width: min(1120px, 100%);
  margin: 0 auto;
  padding: 42px clamp(18px, 5vw, 56px);
}

.landing-hero {
  min-height: min(560px, calc(100vh - 160px));
  display: grid;
  align-content: center;
  gap: 16px;
}

.landing-kicker,
.landing-lede,
.landing-section p,
.landing-quickstart li {
  color: var(--muted);
}

.landing-kicker {
  margin: 0;
  font-size: 13px;
  font-weight: 900;
}

.landing-hero h1 {
  margin: 0;
  color: var(--text);
  font-size: 48px;
  line-height: 1.06;
}

.landing-lede {
  max-width: 680px;
  margin: 0;
  font-size: 18px;
  line-height: 1.5;
}

.landing-actions {
  flex-wrap: wrap;
  margin-top: 8px;
}

.landing-section {
  display: grid;
  gap: 18px;
  border-top: 1px solid var(--border);
}

.landing-section-head {
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.landing-section h2,
.landing-section h3 {
  margin: 0;
}

.landing-section h2 {
  font-size: 20px;
  line-height: 1.25;
}

.landing-feature-grid,
.landing-practice-grid {
  min-width: 0;
  display: grid;
  gap: 12px;
}

.landing-feature-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.landing-practice-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.landing-feature-grid article,
.landing-practice-grid article {
  min-width: 0;
  padding: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.landing-feature-grid p,
.landing-practice-grid p {
  margin: 8px 0 0;
  overflow-wrap: anywhere;
}

.landing-quickstart ol {
  margin: 0;
  padding-left: 20px;
}

.portal-page,
.ticket-page {
  background: #F7F8FA;
}

.portal-topbar {
  position: sticky;
  top: 0;
  z-index: 12;
}

.portal-nav {
  row-gap: 4px;
}

.portal-nav a {
  padding: 0 4px;
}

.portal-hero,
.ticket-hero {
  min-height: min(500px, calc(100vh - 150px));
}

.portal-hero-rail {
  min-width: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}

.portal-hero-rail span,
.capability-index {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 2px 8px;
  color: var(--accent);
  background: var(--accent-subtle);
  border: 1px solid #B7D9D2;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 900;
}

.portal-capability-grid {
  min-width: 0;
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 12px;
}

.portal-capability-grid article {
  min-width: 0;
  display: grid;
  align-content: start;
  gap: 10px;
  padding: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.portal-capability-grid article:nth-child(1),
.portal-capability-grid article:nth-child(2),
.portal-capability-grid article:nth-child(3) {
  grid-column: span 2;
}

.portal-capability-grid article:nth-child(4),
.portal-capability-grid article:nth-child(5) {
  grid-column: span 3;
}

.portal-capability-grid h3,
.portal-capability-grid p,
.ticket-query-card h2,
.ticket-query-card p {
  min-width: 0;
  margin: 0;
  overflow-wrap: anywhere;
}

.portal-capability-grid p,
.soon-card p {
  color: var(--muted);
}

.portal-footer-actions {
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 14px;
  flex-wrap: wrap;
}

.donation-footer-link {
  min-width: 0;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 32px;
  padding: 6px 10px;
  color: var(--text);
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  border: 1px solid var(--border);
  border-radius: 999px;
}

.donation-footer-link span {
  font-size: 13px;
  font-weight: 900;
}

.donation-footer-link small {
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
}

.donation-section {
  display: grid;
  justify-items: center;
  padding-top: 22px;
}

.donation-panel {
  width: min(760px, 100%);
}

.ticket-system-layout {
  align-items: start;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 360px);
}

.ticket-system-layout.sidebar-collapsed {
  grid-template-columns: minmax(0, 1fr) 56px;
}

.ticket-system-main,
.ticket-system-side {
  min-width: 0;
  display: grid;
  gap: 14px;
}

.ticket-system-side {
  position: relative;
}

.ticket-sidebar-toggle {
  justify-self: end;
}

.ticket-system-layout.sidebar-collapsed .ticket-system-side {
  justify-items: end;
}

.ticket-system-layout.sidebar-collapsed .ticket-system-side > :not(.ticket-sidebar-toggle) {
  display: none;
}

.single-workflow-layout {
  width: min(820px, 100%);
  display: grid;
  gap: 14px;
}

.ticket-query-card {
  min-width: 0;
  display: grid;
  gap: 14px;
  padding: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.ticket-card-head {
  min-width: 0;
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 12px;
}

.ticket-card-head h2 {
  margin-top: 2px;
}

.feedback-ticket-form {
  min-width: 0;
  display: grid;
  gap: 12px;
}

.feedback-ticket-form label {
  min-width: 0;
  display: grid;
  gap: 6px;
}

.feedback-ticket-form input[type="file"] {
  min-width: 0;
  max-width: 100%;
  color: var(--muted);
  background: #FAFBFC;
}

.feedback-category-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

.feedback-category-grid label {
  min-width: 0;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 8px;
  align-items: center;
  min-height: 38px;
  padding: 8px 10px;
  color: var(--text);
  background: #FAFBFC;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 13px;
  cursor: pointer;
}

.feedback-category-grid input {
  width: auto;
  margin: 0;
}

.feedback-category-grid label:has(input:checked) {
  color: var(--accent);
  background: var(--accent-subtle);
  border-color: var(--accent);
}

.feedback-category-grid span {
  min-width: 0;
  overflow-wrap: anywhere;
}

.form-actions {
  min-width: 0;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.form-actions .status-line {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.ticket-result {
  min-width: 0;
}

.ticket-result:empty {
  display: none;
}

.ticket-result-card {
  min-width: 0;
  display: grid;
  gap: 10px;
  padding: 14px;
  background: #FAFBFC;
  border: 1px solid var(--border);
  border-radius: 8px;
}

.ticket-result-card h3 {
  margin: 0;
  color: var(--accent);
  overflow-wrap: anywhere;
}

.ticket-result-fields {
  min-width: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.ticket-result-fields div {
  min-width: 0;
  display: grid;
  gap: 2px;
  padding: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
}

.ticket-result-fields span,
.my-ticket-row small {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.ticket-result-fields strong {
  min-width: 0;
  overflow-wrap: anywhere;
}

.my-ticket-list {
  min-width: 0;
  display: grid;
  gap: 8px;
}

.my-ticket-row {
  min-width: 0;
  display: grid;
  gap: 4px;
  padding: 10px;
  background: #FAFBFC;
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
}

.my-ticket-row:hover {
  border-color: var(--accent);
  background: var(--accent-subtle);
}

.my-ticket-row div {
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.my-ticket-row strong,
.my-ticket-row p {
  min-width: 0;
  margin: 0;
  overflow-wrap: anywhere;
}

.my-ticket-row span {
  flex: 0 0 auto;
  color: var(--accent);
  font-size: 12px;
  font-weight: 900;
}

.soon-card {
  gap: 8px;
  background: #FAFBFC;
}

.donation-card {
  gap: 16px;
}

.donation-purpose {
  color: var(--muted);
}

.donation-amounts {
  min-width: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin: 0;
  padding: 0;
  border: 0;
}

.donation-amounts legend {
  grid-column: 1 / -1;
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
}

.donation-amounts label {
  min-width: 0;
  min-height: 38px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  color: var(--text);
  background: #FAFBFC;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 13px;
}

.donation-amounts input[type="radio"] {
  width: auto;
  margin: 0;
}

.donation-amounts label:has(input:checked) {
  color: var(--accent);
  background: var(--accent-subtle);
  border-color: var(--accent);
}

.donation-custom-amount {
  grid-template-columns: minmax(0, auto) minmax(0, 1fr) !important;
}

.donation-custom-amount input {
  min-width: 0;
  height: 30px;
  padding: 5px 8px;
}

.donation-selected-amount {
  color: var(--accent);
  font-weight: 800;
}

.donation-channel-grid {
  min-width: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.donation-channel {
  min-width: 0;
  display: grid;
  gap: 10px;
  padding: 12px;
  background: #FAFBFC;
  border: 1px solid var(--border);
  border-radius: 8px;
}

.donation-channel h3 {
  margin: 0;
  font-size: 14px;
}

.donation-qr {
  min-width: 0;
  display: grid;
  place-items: center;
  min-height: 128px;
  padding: 10px;
  background: var(--surface);
  border: 1px dashed var(--border);
  border-radius: 8px;
}

.donation-qr img {
  width: min(160px, 100%);
  aspect-ratio: 1;
  object-fit: contain;
  border-radius: 6px;
}

.donation-link {
  min-width: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 0 12px;
  text-align: center;
}

.donation-unavailable {
  min-width: 0;
  margin: 0;
  padding: 10px;
  color: var(--muted);
  background: var(--surface);
  border: 1px dashed var(--border);
  border-radius: 8px;
  font-weight: 800;
  text-align: center;
}

.datasheet-submit-card {
  background: var(--surface);
}

.account-application-card {
  background: var(--surface);
}

.recommended-field input {
  border-color: color-mix(in srgb, var(--accent) 34%, var(--border));
  background: #FAFFFD;
}

.ticket-admin-panel {
  display: grid;
  gap: 14px;
  min-width: 0;
}

.ticket-admin-toolbar {
  display: grid;
  grid-template-columns: repeat(4, minmax(112px, 1fr)) auto auto;
  gap: 8px;
  align-items: end;
  min-width: 0;
}

.ticket-admin-toolbar label {
  min-width: 0;
  display: grid;
  gap: 5px;
}

.ticket-admin-grid {
  display: grid;
  grid-template-columns: minmax(240px, 0.8fr) minmax(0, 1.2fr);
  gap: 12px;
  min-width: 0;
}

.ticket-admin-list,
.ticket-admin-detail,
.ticket-admin-attachment-list,
.ticket-admin-detail-body {
  min-width: 0;
}

.ticket-admin-detail {
  display: grid;
  gap: 12px;
}

.ticket-admin-detail-head {
  min-width: 0;
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 12px;
}

.ticket-admin-detail-head h2 {
  margin: 0;
}

.ticket-admin-type-badge {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 2px 8px;
  color: var(--accent);
  background: var(--accent-subtle);
  border: 1px solid #B7D9D2;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 900;
}

.ticket-admin-attachment-list {
  display: grid;
  gap: 8px;
}

.ticket-admin-attachment-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  min-width: 0;
  padding: 10px;
  background: #FAFBFC;
  border: 1px solid var(--border);
  border-radius: 8px;
}

.ticket-admin-attachment-info {
  min-width: 0;
  display: grid;
  gap: 3px;
}

.ticket-admin-attachment-info strong,
.ticket-admin-attachment-info span {
  min-width: 0;
  overflow-wrap: anywhere;
}

.ticket-admin-attachment-info span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.ticket-admin-attachment-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 8px;
}

.ticket-admin-download,
.ticket-admin-preview-button {
  justify-self: end;
}

.ticket-admin-preview {
  min-width: 0;
  max-width: 100%;
  max-height: 280px;
  margin: 10px 0 0;
  overflow: auto;
  padding: 12px;
  color: var(--code-text);
  background: var(--code-bg);
  border: 1px solid #26313C;
  border-radius: 8px;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.ticket-admin-application-actions {
  display: grid;
  gap: 8px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

.mcp-client-hero {
  min-height: min(500px, calc(100vh - 160px));
}

.mcp-client-hero code,
.mcp-fast-path code,
.mcp-template-grid code,
.mcp-step-list code,
.mcp-boundary-section code {
  padding: 2px 6px;
  color: #0D504A;
  background: #E6F4F1;
  border: 1px solid #B7D9D2;
  border-radius: 6px;
  font-size: 0.92em;
}

.mcp-fast-path {
  min-width: 0;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
  margin: 2px 0 0;
  padding: 0;
  list-style: none;
}

.mcp-fast-path li {
  min-width: 0;
  display: grid;
  gap: 6px;
  align-content: start;
  padding: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.mcp-fast-path strong {
  color: var(--accent);
  font-size: 12px;
  font-weight: 900;
}

.mcp-fast-path span {
  min-width: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.mcp-template-grid {
  min-width: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.mcp-template-grid article {
  min-width: 0;
  display: grid;
  align-content: start;
  gap: 12px;
  padding: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.mcp-template-title {
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.mcp-template-title span {
  flex: 0 0 auto;
  padding: 3px 8px;
  color: #0D504A;
  background: #E6F4F1;
  border: 1px solid #B7D9D2;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 900;
}

.mcp-template-grid p {
  margin: 0;
  color: var(--muted);
  overflow-wrap: anywhere;
}

.mcp-template-grid pre {
  min-width: 0;
  max-width: 100%;
  margin: 0;
  padding: 14px;
  overflow: auto;
  color: #DDE7E6;
  background: #17201F;
  border: 1px solid #2A3A38;
  border-radius: 8px;
  line-height: 1.55;
}

.mcp-template-grid pre code {
  padding: 0;
  color: inherit;
  background: transparent;
  border: 0;
  border-radius: 0;
  font-size: 12px;
}

.mcp-step-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding-left: 22px;
}

.mcp-step-list li {
  color: var(--muted);
  line-height: 1.6;
  overflow-wrap: anywhere;
}

.product-version {
  min-width: 0;
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
  white-space: nowrap;
}

.product-changelog {
  min-width: min(420px, 100%);
  color: var(--muted);
  font-size: 12px;
}

.product-changelog summary {
  cursor: pointer;
  color: var(--accent);
  font-weight: 900;
}

.product-changelog h3 {
  margin: 10px 0 4px;
  color: var(--text);
  font-size: 12px;
}

.product-changelog ul {
  margin: 0;
  padding-left: 18px;
}

.product-shell-panel {
  min-width: 0;
  display: grid;
  gap: 8px;
  margin-top: 12px;
  padding-top: 12px;
  color: var(--muted);
  border-top: 1px solid var(--border);
  font-size: 12px;
}

.fingerprint-summary {
  color: var(--muted);
  font-size: 11px;
  line-height: 1.4;
  overflow-wrap: anywhere;
}

.fingerprint-entry {
  color: var(--muted);
}

.product-shell-panel a,
.product-signature-top a,
.landing-footer a {
  color: var(--muted);
  font-weight: 800;
}

.product-signature-top {
  min-width: 0;
  max-width: 180px;
  overflow: hidden;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.product-changelog-top {
  min-width: 0;
}

.product-changelog-top .product-changelog {
  min-width: 0;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-width: 0;
  padding: 0 24px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.brand {
  min-width: 0;
  font-size: 18px;
  font-weight: 800;
  line-height: 1.25;
}

.topbar-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
  min-width: 0;
}

.meta-pill,
.text-link {
  min-width: 0;
  max-width: 34vw;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.meta-pill {
  padding: 4px 8px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  border: 1px solid var(--border);
  border-radius: 999px;
}

.meta-pill:empty {
  display: none;
}

.compact-field {
  display: flex;
  align-items: center;
  gap: 6px;
}

.compact-field select {
  width: 112px;
  padding: 5px 8px;
}

.chat-grid,
.admin-grid {
  min-height: 0;
  height: 100%;
  display: grid;
  gap: 16px;
  overflow: hidden;
  padding: 16px;
}

.chat-grid {
  grid-template-columns: 280px minmax(0, 1fr);
}

.chat-grid.sidebar-collapsed {
  grid-template-columns: 64px minmax(0, 1fr);
}

.admin-grid {
  grid-template-columns: minmax(180px, 220px) minmax(0, 1fr);
  align-items: start;
  overflow: auto;
}

.admin-grid.sidebar-collapsed {
  grid-template-columns: 64px minmax(0, 1fr);
}

.session-sidebar,
.admin-users,
.admin-detail {
  min-width: 0;
  min-height: 0;
}

.session-sidebar {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  padding: 16px;
}

.chat-grid.sidebar-collapsed .session-sidebar {
  padding: 12px;
  justify-items: center;
}

.chat-grid.sidebar-collapsed .session-sidebar .section-heading {
  display: grid;
  justify-items: center;
}

.chat-grid.sidebar-collapsed .session-sidebar .section-heading h1,
.chat-grid.sidebar-collapsed .session-sidebar #new-session,
.chat-grid.sidebar-collapsed .session-sidebar .session-list,
.chat-grid.sidebar-collapsed .session-sidebar .product-shell-panel {
  display: none;
}

.section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 12px;
}

.session-list,
.user-list,
.key-list {
  min-height: 0;
  overflow: auto;
  display: grid;
  align-content: start;
  gap: 8px;
}

.chip-mapping-list {
  min-height: 0;
  overflow: visible;
  display: grid;
  align-content: start;
  gap: 8px;
}

.editable-chip-list {
  max-height: none;
}

.chip-editor-row {
  width: 100%;
  min-width: 0;
  padding: 12px;
  background: #FAFBFC;
  border: 1px solid var(--border);
  border-radius: 8px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: start;
}

.chip-editor-fields {
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(112px, 0.75fr) minmax(128px, 1fr) minmax(160px, 1.15fr);
  gap: 10px;
}

.chip-editor-fields label,
.chip-access-option {
  min-width: 0;
  display: grid;
  gap: 5px;
}

.chip-editor-fields input {
  min-height: 36px;
  padding: 7px 9px;
  font-size: 13px;
}

.chip-remove-button {
  min-height: 36px;
  padding: 0 12px;
  align-self: end;
}

.restart-notice {
  padding: 8px 10px;
  color: var(--warning);
  background: #FFF8E8;
  border: 1px solid #E7C778;
  border-radius: 6px;
}

.chip-access-list {
  display: grid;
  gap: 8px;
}

.user-admin-actions {
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: start;
}

.user-admin-actions .inline-form {
  min-width: 0;
}

.chip-access-option {
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  color: var(--text);
  font-size: 13px;
}

.chip-access-row {
  min-width: 0;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 8px;
  align-items: center;
  padding: 9px 10px;
  background: #FAFBFC;
  border: 1px solid var(--border);
  border-radius: 6px;
}

.chip-access-row.granted .chip-access-status {
  color: var(--accent);
}

.chip-access-row.denied .chip-access-status {
  color: var(--muted);
}

.chip-access-status,
.chip-access-source {
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
}

.chip-access-chip {
  min-width: 0;
  overflow-wrap: anywhere;
}

.chip-access-source {
  color: var(--muted);
}

.chip-access-option input {
  width: auto;
  margin: 0;
}

.chip-access-frozen {
  padding: 10px 12px;
  color: var(--muted);
  background: #F4F7FA;
  border: 1px dashed var(--border);
  border-radius: 6px;
  font-size: 13px;
  font-weight: 700;
}

.chip-mapping-row {
  width: 100%;
  min-width: 0;
  padding: 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.chip-mapping-id {
  font-weight: 600;
  font-family: ui-monospace, "Cascadia Code", "Source Code Pro", monospace;
  font-size: 13px;
  color: var(--accent);
}

.chip-mapping-label {
  font-size: 13px;
  color: var(--muted);
}

.chip-mapping-dir {
  font-size: 12px;
  color: var(--muted);
  word-break: break-all;
  font-family: ui-monospace, "Cascadia Code", "Source Code Pro", monospace;
}

.session-row,
.user-row,
.key-row {
  width: 100%;
  min-width: 0;
  padding: 10px;
  text-align: left;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.session-row.active,
.user-row.active {
  background: var(--accent-subtle);
  border-color: var(--accent);
}

.empty-state {
  padding: 16px;
  color: var(--muted);
  border: 1px dashed var(--border);
  border-radius: 8px;
}

.chat-workspace {
  min-width: 0;
  min-height: 0;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
}

.session-meta {
  min-width: 0;
  padding: 10px 14px;
  color: var(--muted);
  background: #FAFBFC;
  border-bottom: 1px solid var(--border);
  font-size: 12px;
  font-weight: 700;
  overflow-wrap: anywhere;
}

.conversation {
  min-height: 0;
  overflow: auto;
  padding: 18px;
  display: grid;
  align-content: start;
  gap: 12px;
}

.message {
  max-width: min(760px, 100%);
  padding: 10px 12px;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  border: 1px solid var(--border);
  border-radius: 8px;
}

.message.user {
  justify-self: end;
  color: #FFFFFF;
  background: var(--accent);
  border-color: var(--accent);
}

.message.pending {
  opacity: 0.78;
}

.message.failed {
  color: var(--danger);
  background: #FFF5F3;
  border-color: #F0B8B2;
}

.message-status {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  font-weight: 700;
}

.message.assistant {
  justify-self: start;
  background: var(--surface);
}

.chat-composer {
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  padding: 14px;
  border-top: 1px solid var(--border);
}

.chat-composer .error-line {
  grid-column: 1 / -1;
}

.admin-users {
  display: grid;
  grid-template-rows: auto auto auto;
  gap: 12px;
  align-content: start;
}

.admin-section-nav {
  position: sticky;
  top: 0;
  min-width: 0;
  min-height: 0;
  display: grid;
  align-content: start;
  gap: 8px;
  padding: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: auto;
}

.admin-grid.sidebar-collapsed .admin-section-nav {
  padding: 10px;
  justify-items: center;
}

.admin-section-nav a {
  display: flex;
  align-items: center;
  min-width: 0;
  min-height: 40px;
  padding: 0 12px;
  color: var(--text);
  border: 1px solid transparent;
  border-radius: 6px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.admin-section-nav a:hover {
  background: #FAFBFC;
  border-color: var(--border);
}

.admin-section-nav a[aria-current="page"],
.admin-section-nav a.active {
  color: var(--accent);
  background: var(--accent-subtle);
  border-color: var(--accent);
}

.admin-workspace {
  min-width: 0;
  min-height: 0;
  height: auto;
  overflow: auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding-right: 4px;
}

.admin-section {
  min-width: 0;
  min-height: 0;
}

.users-section {
  display: grid;
  grid-template-columns: minmax(320px, 380px) minmax(0, 1fr);
  gap: 16px;
  align-items: start;
}

.admin-workspace > .admin-detail {
  padding: 0;
  background: transparent;
  border: 0;
}

.admin-user-context {
  min-width: 0;
  display: grid;
  gap: 16px;
}

.admin-user-context-grid {
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  align-items: start;
}

.user-list-panel {
  display: grid;
  grid-template-rows: auto minmax(180px, auto);
  gap: 12px;
}

.user-list-panel .user-list {
  max-height: calc(100vh - 180px);
}

.collapsible-panel {
  padding: 0;
  overflow: hidden;
}

.collapsible-panel summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 44px;
  padding: 0 14px;
  color: var(--text);
  font-weight: 900;
  cursor: pointer;
  list-style: none;
}

.collapsible-panel summary::-webkit-details-marker {
  display: none;
}

.collapsible-panel summary::after {
  content: "+";
  color: var(--accent);
  font-size: 18px;
  line-height: 1;
}

.collapsible-panel[open] summary {
  border-bottom: 1px solid var(--border);
}

.collapsible-panel[open] summary::after {
  content: "-";
}

.collapsible-panel > :not(summary) {
  margin: 14px;
}

.chip-access-panel {
  align-content: start;
}

.key-management {
  display: grid;
  gap: 10px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

.admin-chip-panel .panel {
  overflow: visible;
}

.admin-detail {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 12px;
  padding: 16px;
}

.detail-head {
  display: grid;
  gap: 12px;
}

.detail-subhead {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.3;
}

.selected-user-meta {
  min-width: 0;
  margin-top: 5px;
  color: var(--muted);
  font-family: ui-monospace, "Cascadia Code", "Source Code Pro", monospace;
  font-size: 12px;
  overflow-wrap: anywhere;
}

.user-status-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}

.user-filter-form,
.profile-form,
.key-edit-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  align-items: end;
}

.user-filter-form label,
.profile-form label {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.user-filter-form button,
.profile-form button,
.key-edit-form button {
  min-width: 0;
}

.user-filter-panel {
  padding: 0;
}

.user-filter-form {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.user-filter-form button {
  grid-column: 1 / -1;
}

.key-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px;
}

.key-value,
.generated-key code {
  min-width: 0;
  overflow-wrap: anywhere;
}

.key-value {
  display: grid;
  gap: 6px;
}

.key-meta {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.key-value code {
  min-width: 0;
  padding: 8px;
  color: var(--code-text);
  background: var(--code-bg);
  border-radius: 6px;
  overflow-wrap: anywhere;
}

.key-actions {
  display: flex;
  gap: 8px;
}

.key-edit-form {
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) auto;
}

.key-sensitive-warning {
  margin: 0;
  color: var(--warning);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.35;
}

.generated-key {
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: center;
}

.generated-key:empty {
  display: none;
}

.generated-key code {
  padding: 8px;
  color: var(--code-text);
  background: var(--code-bg);
  border-radius: 6px;
}

@media (max-width: 1299px) {
  .users-section {
    grid-template-columns: 1fr;
  }

  .user-list-panel .user-list {
    max-height: min(420px, 45vh);
  }
}

@media (max-width: 899px) {
  body {
    overflow: auto;
  }

  .chat-composer,
  .inline-form,
  .generated-key,
  .key-row,
  .key-actions,
  .key-actions {
    grid-template-columns: 1fr;
    flex-direction: column;
    align-items: stretch;
  }

  .topbar {
    min-height: 48px;
    flex-wrap: wrap;
    padding: 10px 16px;
  }

  .topbar-meta {
    justify-content: flex-start;
  }

  .modal-backdrop {
    align-items: start;
    padding: 12px;
  }

  .modal-panel {
    max-height: calc(100vh - 24px);
  }

  .product-signature-top {
    max-width: 100%;
  }

  .landing-topbar,
  .landing-footer,
  .landing-section-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .landing-nav,
  .landing-actions {
    justify-content: flex-start;
  }

  .landing-hero,
  .landing-section {
    padding: 32px 18px;
  }

  .landing-hero {
    min-height: auto;
  }

  .landing-hero h1 {
    font-size: 36px;
  }

  .landing-lede {
    font-size: 16px;
  }

  .landing-feature-grid,
  .landing-practice-grid,
  .portal-capability-grid,
  .ticket-system-layout,
  .ticket-admin-toolbar,
  .ticket-admin-grid,
  .feedback-category-grid,
  .donation-amounts,
  .donation-channel-grid,
  .ticket-result-fields,
  .mcp-fast-path,
  .mcp-template-grid {
    grid-template-columns: 1fr;
  }

  .portal-nav {
    width: 100%;
    justify-content: flex-start;
  }

  .portal-nav a {
    max-width: 100%;
    white-space: normal;
  }

  .portal-capability-grid article:nth-child(n) {
    grid-column: auto;
  }

  .ticket-card-head,
  .ticket-admin-detail-head,
  .form-actions,
  .my-ticket-row div {
    align-items: stretch;
    flex-direction: column;
  }

  .ticket-query-card,
  .feedback-ticket-form,
  .datasheet-submit-card,
  .ticket-admin-panel,
  .ticket-admin-detail,
  .ticket-admin-attachment-row,
  .ticket-result,
  .my-ticket-list {
    max-width: 100%;
    min-width: 0;
  }

  .ticket-admin-attachment-row {
    grid-template-columns: 1fr;
    align-items: stretch;
  }

  .ticket-admin-attachment-actions {
    justify-content: flex-start;
  }

  .ticket-admin-download,
  .ticket-admin-preview-button {
    justify-self: stretch;
  }

  .landing-button {
    white-space: normal;
  }

  .app-shell {
    min-height: 100vh;
    height: auto;
  }

  .chat-grid,
  .admin-grid {
    grid-template-columns: 1fr;
  }

  .admin-section-nav {
    position: static;
    grid-auto-flow: column;
    grid-auto-columns: minmax(132px, 1fr);
    overflow-x: auto;
  }

  .users-section,
  .admin-user-context-grid {
    grid-template-columns: 1fr;
  }

  .admin-grid,
  .admin-workspace {
    height: auto;
    overflow: visible;
  }

  .admin-workspace {
    padding-right: 0;
  }

  .user-list-panel .user-list {
    max-height: none;
  }

  .chat-grid {
    grid-template-rows: auto minmax(55vh, 1fr);
  }

  .compact-field {
    align-items: stretch;
  }

  .compact-field select {
    width: 100%;
  }

  .chip-editor-row {
    grid-template-columns: minmax(0, 1fr) auto;
  }
}

@media (min-width: 900px) and (max-width: 1199px) {
  .admin-user-context-grid {
    grid-template-columns: 1fr;
  }

  .chip-editor-fields {
    grid-template-columns: minmax(120px, 1fr) minmax(140px, 1fr);
  }

  .chip-editor-fields label:last-child {
    grid-column: 1 / -1;
  }
}

@media (max-width: 559px) {
  .chip-editor-row {
    grid-template-columns: 1fr;
  }

  .chip-editor-fields {
    grid-template-columns: minmax(0, 1fr);
  }

  .chip-remove-button {
    width: 100%;
  }
}

/* Prompt editor */
.prompt-admin-detail {
  grid-column: 1 / -1;
}

.prompt-split-pane {
  min-width: 0;
  min-height: 460px;
  display: grid;
  grid-template-columns: minmax(180px, 240px) minmax(0, 1fr);
  gap: 12px;
}

.prompt-nav-pane,
.prompt-editor-pane,
.prompt-editor-container {
  min-width: 0;
  min-height: 0;
}

.prompt-file-list {
  display: grid;
  gap: 8px;
  align-content: start;
}

.prompt-file-btn {
  width: 100%;
  min-width: 0;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  cursor: pointer;
  font-size: 13px;
  text-align: left;
}
.prompt-file-btn:hover,
.prompt-file-btn.active { background: var(--accent-subtle); border-color: var(--accent); }
.prompt-file-btn.type-global { border-left: 4px solid #1976d2; }
.prompt-file-btn.type-role { border-left: 4px solid #388e3c; }
.prompt-file-btn.type-chip { border-left: 4px solid #b7791f; }
.prompt-file-btn.missing {
  color: var(--muted);
  border-style: dashed;
}

.prompt-editor-pane {
  display: grid;
}

.prompt-editor-container {
  display: grid;
  grid-template-rows: auto auto minmax(320px, 1fr);
  gap: 12px;
}

.prompt-editor-header {
  display: flex;
  align-items: center;
  gap: 12px;
}

.prompt-editor-header h3 {
  min-width: 0;
  flex: 1;
  margin: 0;
  overflow-wrap: anywhere;
}

.prompt-content {
  width: 100%;
  min-height: 0;
  height: 100%;
  overflow: auto;
  font-family: ui-monospace, "Cascadia Code", "Source Code Pro", monospace;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  resize: none;
  box-sizing: border-box;
}

.prompt-placeholder,
.prompt-error-panel {
  color: var(--muted);
  text-align: center;
  padding: 40px;
  border: 1px dashed var(--border);
  border-radius: 8px;
}

.prompt-error-panel {
  display: grid;
  justify-items: center;
  gap: 10px;
  color: var(--danger);
  background: #FFF5F3;
  border-color: #F0B8B2;
}

.prompt-error-panel[hidden] {
  display: none;
}

.prompt-editor-status {
  min-height: 26px;
  font-size: 13px;
  padding: 4px 8px;
  border-radius: 4px;
}
.prompt-editor-status.error,
.prompt-editor-status.load-failed,
.prompt-editor-status.save-failed { color: var(--danger); background: #fde8e8; }
.prompt-editor-status.success,
.prompt-editor-status.ready { color: #15803d; background: #dcfce7; }
.prompt-editor-status.warning,
.prompt-editor-status.loading { color: #b45309; background: #fef3c7; }

@media (max-width: 899px) {
  .prompt-split-pane {
    grid-template-columns: 1fr;
  }

  .prompt-editor-container {
    grid-template-rows: auto auto minmax(360px, 60vh);
  }
}

/* ---- Tab bar ---- */
.tab-bar {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border-color, #e0e0e0);
  padding: 0 16px;
  background: var(--surface, #fafafa);
}
.tab-bar button {
  padding: 10px 20px;
  border: none;
  background: transparent;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  color: var(--text-secondary, #666);
  font-size: 14px;
  transition: color 0.15s, border-color 0.15s;
}
.tab-bar button:hover {
  color: var(--text-primary, #333);
}
.tab-bar button[aria-selected="true"] {
  color: var(--primary, #0066cc);
  border-bottom-color: var(--primary, #0066cc);
  font-weight: 600;
}

/* ---- Role management panel ---- */
.role-admin-detail {
  height: 100%;
}
.role-split-pane {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 16px;
  height: 100%;
  padding: 16px;
}
.role-list-pane {
  display: flex;
  flex-direction: column;
  gap: 12px;
  overflow-y: auto;
}
.role-row {
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto auto;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border: 1px solid var(--border-color, #e0e0e0);
  border-radius: 6px;
  background: var(--surface, #fff);
  cursor: pointer;
  text-align: left;
  font-size: 14px;
}
.role-row:hover {
  border-color: var(--primary, #0066cc);
}
.role-row span:first-child {
  min-width: 0;
  overflow-wrap: anywhere;
}
.role-template-summary {
  min-width: 0;
  display: grid;
  gap: 3px;
}
.role-template-summary strong,
.role-template-summary span {
  min-width: 0;
  overflow-wrap: anywhere;
}
.role-template-summary span {
  color: var(--text-secondary, #666);
  font-size: 12px;
  line-height: 1.3;
}
.role-perm-count {
  color: var(--text-secondary, #666);
  font-size: 12px;
  white-space: nowrap;
}
.role-edit-btn,
.role-delete-btn {
  padding: 4px 10px;
  font-size: 12px;
  flex-shrink: 0;
}
.role-editor-pane {
  min-width: 0;
  overflow-y: auto;
}
.role-permission-list {
  min-width: 0;
  display: grid;
  gap: 8px;
}
.permission-option {
  min-width: 0;
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr);
  align-items: start;
  gap: 10px;
  padding: 9px 10px;
  background: #FAFBFC;
  border: 1px solid var(--border-color, #e0e0e0);
  border-radius: 6px;
  cursor: pointer;
  line-height: 1.35;
}
.permission-option:hover {
  background: #F5F9F8;
  border-color: var(--primary, #0066cc);
}
.permission-option input[type="checkbox"] {
  width: 14px;
  height: 14px;
  min-width: 14px;
  min-height: 14px;
  max-width: 14px;
  max-height: 14px;
  margin: 2px 0 0;
  padding: 0;
  justify-self: center;
  align-self: start;
}
.permission-option span {
  min-width: 0;
  max-width: 100%;
  display: block;
  font-size: 13px;
  line-height: 1.35;
  white-space: normal;
  word-break: normal;
  overflow-wrap: break-word;
}
.role-access-mode {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 10px;
}
.role-access-mode label,
.role-chip-access-option {
  min-width: 0;
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr);
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border: 1px solid var(--border-color, #d9e2ec);
  border-radius: 6px;
  background: #fbfdff;
  font-size: 13px;
}
.role-chip-access-list {
  display: grid;
  gap: 8px;
  max-height: 260px;
  overflow: auto;
}
.role-chip-access-option span {
  min-width: 0;
  overflow-wrap: anywhere;
}
.role-chip-access-option input:disabled + span {
  color: var(--text-secondary, #666);
}
.role-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 200px;
  color: var(--text-secondary, #666);
}
.role-editor-form fieldset {
  border: none;
  padding: 0;
  margin: 0 0 16px;
}
.role-editor-form legend {
  font-weight: 600;
  margin-bottom: 8px;
}

@media (max-width: 899px) {
  .role-split-pane {
    grid-template-columns: 1fr;
    height: auto;
  }

  .role-list-pane,
  .role-editor-pane {
    overflow: visible;
  }
}

@media (max-width: 559px) {
  .role-row {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .role-perm-count {
    justify-self: start;
  }

  .role-access-mode {
    grid-template-columns: 1fr;
  }
}

/* ---- User role selector ---- */
.user-row {
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto auto;
  align-items: center;
  gap: 8px;
  padding: 8px;
  border: 1px solid var(--border-color, #e0e0e0);
  border-radius: 6px;
  background: var(--surface);
}
.user-row.active {
  background: var(--primary-subtle, #e8f0fe);
  border-color: var(--accent);
}
.user-info-btn {
  min-width: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  text-align: left;
  padding: 4px;
  font-size: 14px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-row-role {
  max-width: 110px;
  padding: 2px 7px;
  color: var(--muted);
  background: #FAFBFC;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.user-row-key-count {
  padding: 2px 7px;
  color: var(--accent);
  background: var(--accent-subtle);
  border: 1px solid #B7D9D2;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
}

.user-row-profile {
  grid-column: 1 / -1;
  min-width: 0;
  color: var(--muted);
  font-size: 12px;
  overflow-wrap: anywhere;
}
.role-selector {
  font-size: 12px;
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px solid var(--border-color, #e0e0e0);
  flex-shrink: 0;
}

/* ---- Admin history workspace ---- */
.history-workspace {
  min-width: 0;
  min-height: 0;
  height: 100%;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 42%);
  gap: 16px;
}

.history-main,
.history-pane,
.session-detail-drawer {
  min-width: 0;
  min-height: 0;
}

.history-main {
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr) auto;
  gap: 12px;
}

.history-toolbar {
  display: grid;
  gap: 12px;
}

.history-toolbar-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.history-summary {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.history-filter-form {
  display: grid;
  grid-template-columns: repeat(6, minmax(96px, 1fr)) auto auto;
  gap: 8px;
  align-items: end;
}

.history-filter-form label {
  display: grid;
  gap: 5px;
  min-width: 0;
}

.history-filter-form input {
  min-height: 36px;
}

.history-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.history-tabs button {
  color: var(--text);
  background: #FAFBFC;
}

.history-tabs button.active,
.history-tabs button[aria-selected="true"] {
  color: var(--accent);
  background: var(--accent-subtle);
  border-color: var(--accent);
}

.history-pane {
  overflow: auto;
}

.history-user-group,
.history-session-list,
.history-question-list {
  display: grid;
  gap: 8px;
}

.history-user-group {
  margin-bottom: 12px;
}

.history-user-header {
  width: 100%;
  min-width: 0;
  min-height: 46px;
  padding: 8px 10px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  text-align: left;
  white-space: normal;
  background: #FAFBFC;
  border: 1px solid var(--border);
  border-radius: 8px;
}

.history-user-header:hover,
.history-user-header[aria-expanded="true"] {
  background: var(--accent-subtle);
  border-color: var(--accent);
}

.history-user-header:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.history-user-header-content {
  min-width: 0;
  display: grid;
  gap: 2px;
}

.history-user-header-title {
  min-width: 0;
  color: var(--text);
  font-size: 14px;
  font-weight: 900;
  overflow-wrap: anywhere;
}

.history-user-header-meta {
  min-width: 0;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  overflow-wrap: anywhere;
}

.history-user-header-chevron {
  width: 24px;
  height: 24px;
  display: inline-grid;
  place-items: center;
  color: var(--accent);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 13px;
  line-height: 1;
}

.history-user-header[aria-expanded="true"] .history-user-header-chevron {
  color: #FFFFFF;
  background: var(--accent);
  border-color: var(--accent);
}

.history-session-row,
.history-question-row {
  width: 100%;
  min-width: 0;
  height: auto;
  padding: 10px 12px;
  display: grid;
  gap: 4px;
  text-align: left;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.history-session-row:hover,
.history-question-row:hover,
.history-session-row.active {
  background: var(--accent-subtle);
  border-color: var(--accent);
}

.history-row-title,
.history-question-text {
  min-width: 0;
  color: var(--text);
  font-weight: 800;
  overflow-wrap: anywhere;
  white-space: normal;
}

.history-row-meta,
.history-row-status {
  min-width: 0;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  overflow-wrap: anywhere;
  white-space: normal;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  min-height: 20px;
  padding: 1px 7px;
  color: var(--muted);
  background: #F4F7FA;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 11px;
  font-weight: 900;
}

.status-badge.done {
  color: #0F6B3D;
  background: #E6F5EC;
  border-color: #A6DDBA;
}

.status-badge.completed {
  color: #0F6B3D;
  background: #E6F5EC;
  border-color: #A6DDBA;
}

.status-badge.disabled,
.status-badge.expired {
  color: var(--danger);
  background: #FFF5F3;
  border-color: #F0B8B2;
}

.status-badge.error {
  color: var(--danger);
  background: #FFF5F3;
  border-color: #F0B8B2;
}

.status-badge.interrupted {
  color: #8A5A00;
  background: #FFF8E8;
  border-color: #E7C778;
}

.status-badge.running {
  color: #0B5CAB;
  background: #E9F3FF;
  border-color: #A8CEF5;
}

.history-pagination {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

.session-detail-drawer {
  overflow: auto;
  padding: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 12px 28px rgba(15, 23, 42, 0.08);
}

.session-detail-header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.session-detail-header h2,
.session-detail-section h3 {
  margin: 0;
}

.session-detail-meta {
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  overflow-wrap: anywhere;
}

.session-detail-section {
  display: grid;
  gap: 10px;
  padding: 14px 0;
  border-top: 1px solid var(--border);
}

.session-detail-transcript,
.session-detail-info,
.session-detail-debug,
.debug-event-list {
  display: grid;
  gap: 8px;
}

.transcript-entry {
  min-width: 0;
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 8px;
  padding: 9px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow-wrap: anywhere;
}

.transcript-entry.turn_result {
  grid-template-columns: 92px auto minmax(0, 1fr);
  background: #FAFBFC;
}

.session-info-row {
  min-width: 0;
  display: grid;
  grid-template-columns: 136px minmax(0, 1fr);
  gap: 8px;
  align-items: start;
}

.session-info-row span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.session-info-row code,
.debug-output {
  min-width: 0;
  padding: 8px;
  color: var(--code-text);
  background: var(--code-bg);
  border-radius: 6px;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.debug-toggle {
  justify-self: start;
}

.debug-notice {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.debug-output {
  max-height: 260px;
  overflow: auto;
}

.debug-event-row {
  padding: 8px 10px;
  background: #FAFBFC;
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow-wrap: anywhere;
}

@media (max-width: 1199px) {
  .history-workspace {
    grid-template-columns: 1fr;
  }

  .session-detail-drawer {
    position: fixed;
    inset: 56px 12px 12px;
    z-index: 10;
  }
}

@media (max-width: 899px) {
  .history-filter-form {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 559px) {
  .history-filter-form,
  .session-detail-header,
  .transcript-entry,
  .transcript-entry.turn_result,
  .session-info-row {
    grid-template-columns: 1fr;
  }
}

/* ---- Merlin WebUI skin system ---- */
:root {
  --surface-alt: rgba(255, 255, 255, 0.78);
  --surface-elevated: rgba(255, 255, 255, 0.88);
  --accent-text: #06160c;
  --skin-shadow-panel: 0 28px 80px rgba(0, 79, 42, 0.14);
  --skin-gradient: radial-gradient(circle at 8% 4%, rgba(0,237,100,.22), transparent 34%), linear-gradient(135deg, #f4fff8 0%, #ffffff 58%, #edf8f1 100%);
  --skin-radius: 24px;
  --skin-font-display: Inter, "Segoe UI", "Microsoft YaHei", sans-serif;
  --primary: var(--accent);
  --primary-subtle: var(--accent-subtle);
  --border-color: var(--border);
  --text-primary: var(--text);
  --text-secondary: var(--muted);
}

html[data-agentx-skin] body {
  background: var(--skin-gradient);
  transition: background 280ms ease, color 200ms ease;
}

html[data-agentx-skin] body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  background:
    linear-gradient(115deg, rgba(255,255,255,.32), transparent 28%, rgba(255,255,255,.18) 55%, transparent 72%),
    radial-gradient(circle at 90% 10%, color-mix(in srgb, var(--accent) 16%, transparent), transparent 28%);
}

html[data-agentx-skin] .landing-topbar,
html[data-agentx-skin] .topbar {
  background: color-mix(in srgb, var(--surface) 78%, transparent);
  backdrop-filter: blur(18px);
}

html[data-agentx-skin] .landing-hero {
  width: min(1280px, calc(100% - 40px));
  margin-top: clamp(24px, 6vh, 72px);
  margin-bottom: 24px;
  padding: clamp(48px, 7vw, 110px);
  background: color-mix(in srgb, var(--surface) 82%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 16%, var(--border));
  border-radius: var(--skin-radius);
  box-shadow: var(--skin-shadow-panel);
  backdrop-filter: blur(22px);
  animation: agentx-page-rise 620ms cubic-bezier(.16, 1, .3, 1) both;
}

html[data-agentx-skin] .landing-hero h1 {
  font-family: var(--skin-font-display);
  font-size: 76px;
  font-weight: 950;
  letter-spacing: 0;
  line-height: .95;
}

.admin-grid.sidebar-collapsed .admin-section-nav a {
  width: 42px;
  justify-content: center;
  padding: 0;
  font-size: 0;
}

.admin-grid.sidebar-collapsed .admin-section-nav a::before {
  content: attr(data-short);
  font-size: 12px;
  font-weight: 800;
}

html[data-agentx-skin] .landing-kicker {
  color: var(--accent);
  letter-spacing: .04em;
}

html[data-agentx-skin] .landing-lede {
  max-width: 760px;
  font-size: 22px;
}

html[data-agentx-skin] .login-panel,
html[data-agentx-skin] .panel,
html[data-agentx-skin] .session-sidebar,
html[data-agentx-skin] .chat-workspace,
html[data-agentx-skin] .admin-detail,
html[data-agentx-skin] .admin-section-nav,
html[data-agentx-skin] .landing-feature-grid article,
html[data-agentx-skin] .landing-practice-grid article,
html[data-agentx-skin] .portal-capability-grid article,
html[data-agentx-skin] .ticket-query-card,
html[data-agentx-skin] .ticket-result-card,
html[data-agentx-skin] .my-ticket-row,
html[data-agentx-skin] .donation-channel,
html[data-agentx-skin] .mcp-fast-path li,
html[data-agentx-skin] .mcp-template-grid article,
html[data-agentx-skin] .modal-panel,
html[data-agentx-skin] .session-detail-drawer {
  background: var(--surface-alt);
  border-color: color-mix(in srgb, var(--accent) 14%, var(--border));
  border-radius: min(var(--skin-radius), 22px);
  box-shadow: 0 14px 42px rgba(15, 23, 42, .08);
  backdrop-filter: blur(18px);
}

html[data-agentx-skin] .landing-feature-grid article,
html[data-agentx-skin] .landing-practice-grid article,
html[data-agentx-skin] .portal-capability-grid article,
html[data-agentx-skin] .ticket-query-card,
html[data-agentx-skin] .my-ticket-row,
html[data-agentx-skin] .donation-channel,
html[data-agentx-skin] .mcp-fast-path li,
html[data-agentx-skin] .mcp-template-grid article,
html[data-agentx-skin] .session-row,
html[data-agentx-skin] .user-row,
html[data-agentx-skin] .key-row,
html[data-agentx-skin] .history-session-row,
html[data-agentx-skin] .history-question-row,
html[data-agentx-skin] .feedback-row {
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease, background 180ms ease;
}

html[data-agentx-skin] .landing-feature-grid article:hover,
html[data-agentx-skin] .landing-practice-grid article:hover,
html[data-agentx-skin] .portal-capability-grid article:hover,
html[data-agentx-skin] .ticket-query-card:hover,
html[data-agentx-skin] .my-ticket-row:hover,
html[data-agentx-skin] .donation-channel:hover,
html[data-agentx-skin] .mcp-fast-path li:hover,
html[data-agentx-skin] .mcp-template-grid article:hover,
html[data-agentx-skin] .session-row:hover,
html[data-agentx-skin] .user-row:hover,
html[data-agentx-skin] .key-row:hover,
html[data-agentx-skin] .history-session-row:hover,
html[data-agentx-skin] .history-question-row:hover,
html[data-agentx-skin] .feedback-row:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--accent) 52%, var(--border));
  box-shadow: 0 18px 48px rgba(15, 23, 42, .12);
}

html[data-agentx-skin] .primary-button,
html[data-agentx-skin] button[type="submit"],
html[data-agentx-skin] .message.user {
  color: var(--accent-text);
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 14px 34px color-mix(in srgb, var(--accent) 22%, transparent);
}

html[data-agentx-skin] .secondary-button,
html[data-agentx-skin] .meta-pill,
html[data-agentx-skin] .history-tabs button,
html[data-agentx-skin] .tab-bar button {
  background: color-mix(in srgb, var(--accent-subtle) 72%, var(--surface));
  border-color: color-mix(in srgb, var(--accent) 24%, var(--border));
}

html[data-agentx-skin] .conversation .message {
  animation: agentx-message-in 260ms ease both;
}

html[data-agentx-skin] .admin-section:not([hidden]),
html[data-agentx-skin] .history-pane:not([hidden]) {
  animation: agentx-tab-panel-in 260ms ease both;
}

html[data-agentx-skin] .session-detail-drawer:not([hidden]),
html[data-agentx-skin] .modal-backdrop:not([hidden]) .modal-panel {
  animation: agentx-drawer-slide 260ms ease both;
}

.auth-skin-toolbar {
  position: fixed;
  top: 18px;
  right: 18px;
  z-index: 20;
}

html[data-agentx-skin="voltagent"] .landing-hero h1,
html[data-agentx-skin="voltagent"] .brand,
html[data-agentx-skin="voltagent"] .landing-brand,
html[data-agentx-skin="voltagent"] .panel h1,
html[data-agentx-skin="voltagent"] .panel h2 {
  font-family: "JetBrains Mono", "Cascadia Code", monospace;
}

html[data-agentx-skin="notion"] .landing-hero h1,
html[data-agentx-skin="notion"] .landing-section h2 {
  font-family: Georgia, "Times New Roman", "Microsoft YaHei", serif;
  font-weight: 800;
}

@keyframes agentx-page-rise {
  from {
    opacity: 0;
    transform: translateY(28px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes agentx-message-in {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes agentx-tab-panel-in {
  from {
    opacity: 0;
    transform: translateX(16px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes agentx-drawer-slide {
  from {
    opacity: 0;
    transform: translateX(24px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  html[data-agentx-skin] *,
  html[data-agentx-skin] *::before,
  html[data-agentx-skin] *::after {
    animation-duration: 1ms !important;
    scroll-behavior: auto !important;
    transition-duration: 1ms !important;
  }
}

@media (max-width: 899px) {
  html[data-agentx-skin] .landing-hero {
    width: min(100% - 24px, 720px);
    padding: 36px 22px;
  }

  html[data-agentx-skin] .landing-hero h1 {
    font-size: 44px;
  }

  .auth-skin-toolbar {
    top: 12px;
    right: 12px;
  }
}