:root {
  --trace-connect-bg: #f7f8fb;
  --trace-connect-panel: #ffffff;
  --trace-connect-soft: #eef2f7;
  --trace-connect-line: #d8dee8;
  --trace-connect-text: #101828;
  --trace-connect-muted: #667085;
  --trace-connect-brand: var(--brand, #d21f3c);
  --trace-connect-accent: #1d4ed8;
  --trace-connect-success: #067647;
  --trace-connect-warning: #b54708;
  --trace-connect-danger: #b42318;
  --trace-connect-radius: 8px;
  --trace-connect-shadow: 0 1px 2px rgba(16,24,40,.05), 0 8px 22px rgba(16,24,40,.065);
  --trace-connect-gap: clamp(10px, 1.45vw, 16px);
  --trace-connect-pad: clamp(12px, 1.55vw, 18px);
  --trace-connect-field: 38px;
}

body.trace-connect-dark {
  --trace-connect-bg: #090d16;
  --trace-connect-panel: #111722;
  --trace-connect-soft: #182231;
  --trace-connect-line: #2d3a4d;
  --trace-connect-text: #f8fafc;
  --trace-connect-muted: #b8c4d6;
}

body.trace-connect-dark {
  background: var(--trace-connect-bg);
  color: var(--trace-connect-text);
}

.trace-connect-app {
  width: min(1480px, 100%);
  margin-inline: auto;
  padding: clamp(12px, 1.8vw, 24px);
  color: var(--trace-connect-text);
}

.trace-connect-page {
  width: min(1040px, 100%);
  margin: 0 auto;
  padding: clamp(14px, 2.4vw, 28px);
  color: var(--trace-connect-text);
}

.trace-auth-page {
  display: grid;
  place-items: start center;
}

.trace-connect-card {
  width: min(560px, 100%);
  border: 1px solid var(--trace-connect-line);
  border-radius: var(--trace-connect-radius);
  background: var(--trace-connect-panel);
  box-shadow: var(--trace-connect-shadow);
}

.trace-auth-card {
  padding: clamp(16px, 2.4vw, 24px);
}

.trace-form-head {
  display: grid;
  gap: 8px;
  margin-bottom: var(--trace-connect-gap);
}

.trace-form-head h1 {
  margin: 0;
  font-size: clamp(23px, 3vw, 32px);
  line-height: 1.08;
}

.trace-form-head p,
.trace-auth-alt,
.trace-security-note,
.trace-dev-link {
  color: var(--trace-connect-muted);
}

.trace-form-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: space-between;
}

.trace-form-links a,
.trace-auth-alt a,
.trace-dev-link a {
  color: var(--trace-connect-brand);
  font-weight: 900;
  text-decoration: none;
}

.trace-connect-topbar,
.trace-panel,
.trace-account-hero,
.trace-connect-nav,
.trace-stat-grid > a {
  border: 1px solid var(--trace-connect-line);
  border-radius: var(--trace-connect-radius);
  background: var(--trace-connect-panel);
  box-shadow: var(--trace-connect-shadow);
}

.trace-connect-topbar {
  position: sticky;
  top: calc(var(--topbar-height, 36px) + var(--header-nav-height, 78px) + 10px);
  z-index: 50;
  display: grid;
  grid-template-columns: auto minmax(220px, 1fr) auto;
  gap: 10px;
  align-items: center;
  padding: 8px;
  backdrop-filter: blur(18px);
}

.trace-connect-topbar-v2 + .trace-connect-topbar {
  display: none;
}

.trace-connect-logo,
.trace-member-chip,
.trace-connect-top-actions,
.trace-icon-button,
.trace-quick-send {
  display: inline-flex;
  align-items: center;
  min-width: 0;
}

.trace-connect-logo {
  gap: 9px;
  color: var(--trace-connect-text);
  text-decoration: none;
  font-weight: 950;
}

.trace-connect-logo > span {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: var(--trace-connect-radius);
  background: linear-gradient(135deg, var(--trace-connect-brand), #f97316);
  color: #fff;
}

.trace-connect-search {
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr);
  gap: 8px;
  align-items: center;
  min-height: var(--trace-connect-field);
  padding-inline: 12px;
  border: 1px solid var(--trace-connect-line);
  border-radius: var(--trace-connect-radius);
  background: var(--trace-connect-soft);
}

.trace-connect-search input {
  width: 100%;
  min-width: 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--trace-connect-text);
}

.trace-connect-top-actions {
  justify-content: flex-end;
  gap: 8px;
}

.trace-icon-button,
.trace-quick-send,
.trace-submit,
.trace-connect-page button,
.trace-connect-page .button {
  position: relative;
  justify-content: center;
  min-height: var(--trace-connect-field);
  border: 1px solid transparent;
  border-radius: var(--trace-connect-radius);
  padding: 0 14px;
  background: var(--trace-connect-brand);
  color: #fff;
  font-weight: 900;
  text-decoration: none;
  cursor: pointer;
}

.trace-icon-button {
  width: var(--trace-connect-field);
  padding: 0;
  background: var(--trace-connect-soft);
  color: var(--trace-connect-text);
  border-color: var(--trace-connect-line);
}

.trace-icon-button b {
  position: absolute;
  top: -6px;
  right: -6px;
  display: grid;
  place-items: center;
  min-width: 19px;
  height: 19px;
  padding-inline: 5px;
  border-radius: 999px;
  background: var(--trace-connect-brand);
  color: #fff;
  font-size: 11px;
}

.trace-member-chip {
  gap: 8px;
  max-width: 220px;
  padding: 4px 8px 4px 4px;
  border: 1px solid var(--trace-connect-line);
  border-radius: var(--trace-connect-radius);
  color: var(--trace-connect-text);
  background: var(--trace-connect-panel);
  text-decoration: none;
}

.trace-member-chip span:last-child {
  display: grid;
  min-width: 0;
  line-height: 1.15;
}

.trace-member-chip strong,
.trace-member-chip small {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.trace-member-chip small {
  color: var(--trace-connect-muted);
  font-size: 11px;
}

.trace-connect-shell {
  display: grid;
  grid-template-columns: 232px minmax(0, 1fr);
  gap: var(--trace-connect-gap);
  margin-top: var(--trace-connect-gap);
}

.trace-connect-nav {
  position: sticky;
  top: calc(var(--topbar-height, 36px) + var(--header-nav-height, 78px) + 82px);
  align-self: start;
  display: grid;
  gap: 4px;
  padding: 10px;
}

.trace-connect-nav strong {
  margin: 4px 8px 8px;
  color: var(--trace-connect-muted);
  font-size: 11px;
  font-weight: 950;
  text-transform: uppercase;
}

.trace-connect-nav a {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  min-height: 34px;
  padding: 7px 9px;
  border-radius: var(--trace-connect-radius);
  color: var(--trace-connect-muted);
  font-size: 13px;
  font-weight: 850;
  text-decoration: none;
}

.trace-connect-nav a.active,
.trace-connect-nav a:hover {
  background: color-mix(in srgb, var(--trace-connect-brand) 10%, transparent);
  color: var(--trace-connect-brand);
}

.trace-connect-content {
  display: grid;
  gap: var(--trace-connect-gap);
  min-width: 0;
}

.trace-account-hero {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: var(--trace-connect-gap);
  align-items: center;
  padding: var(--trace-connect-pad);
}

.trace-account-hero h1,
.trace-panel h2 {
  margin: 0;
  font-size: clamp(20px, 2.2vw, 28px);
  line-height: 1.08;
  letter-spacing: 0;
}

.trace-account-hero p,
.trace-account-hero small,
.trace-panel p,
.trace-empty {
  color: var(--trace-connect-muted);
}

.trace-kicker {
  display: inline-flex;
  margin-bottom: 6px;
  color: var(--trace-connect-brand);
  font-size: 11px;
  font-weight: 950;
  text-transform: uppercase;
}

.trace-avatar {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  border-radius: var(--trace-connect-radius);
  overflow: hidden;
  background: linear-gradient(135deg, var(--trace-connect-brand), #f97316);
  color: #fff;
  font-size: 22px;
  font-weight: 950;
}

.trace-avatar.mini {
  width: 30px;
  height: 30px;
  font-size: 14px;
}

.trace-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.trace-badge,
.trace-live-dot {
  display: inline-flex;
  align-items: center;
  width: max-content;
  max-width: 100%;
  min-height: 24px;
  padding: 4px 9px;
  border: 1px solid color-mix(in srgb, var(--trace-connect-brand) 28%, var(--trace-connect-line));
  border-radius: 999px;
  background: color-mix(in srgb, var(--trace-connect-brand) 9%, var(--trace-connect-panel));
  color: var(--trace-connect-brand);
  font-size: 12px;
  font-weight: 900;
}

.trace-verified {
  display: inline-grid;
  place-items: center;
  width: 18px;
  height: 18px;
  border-radius: 999px;
  background: #2563eb;
  color: #fff;
  font-size: 12px;
  font-style: normal;
  vertical-align: middle;
}

.trace-verified.large {
  width: 24px;
  height: 24px;
  font-size: 15px;
}

.trace-stat-grid,
.trace-dashboard-grid,
.trace-performance-grid,
.trace-form-grid,
.trace-upload-grid {
  display: grid;
  gap: var(--trace-connect-gap);
}

.trace-stat-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.trace-stat-grid > a,
.trace-panel {
  padding: var(--trace-connect-pad);
}

.trace-stat-grid span,
.trace-stat-grid small,
.trace-performance-grid span,
.trace-connect-list small {
  display: block;
  color: var(--trace-connect-muted);
  font-size: 12px;
  font-weight: 850;
}

.trace-stat-grid strong,
.trace-performance-grid strong {
  display: block;
  margin-block: 4px;
  color: var(--trace-connect-text);
  font-size: clamp(21px, 2.3vw, 28px);
  letter-spacing: 0;
}

.trace-dashboard-grid {
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, .75fr);
}

.trace-dashboard-grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.trace-panel-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
  margin-bottom: 12px;
}

.trace-panel-head a {
  color: var(--trace-connect-brand);
  font-weight: 900;
  text-decoration: none;
}

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

.trace-performance-grid > div {
  padding: 11px;
  border: 1px solid var(--trace-connect-line);
  border-radius: var(--trace-connect-radius);
  background: var(--trace-connect-soft);
}

.trace-performance-grid.badges {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-bottom: var(--trace-connect-gap);
}

.trace-connect-list {
  display: grid;
  gap: 10px;
}

.trace-connect-list article {
  display: grid;
  gap: 5px;
  padding: 11px;
  border: 1px solid var(--trace-connect-line);
  border-radius: var(--trace-connect-radius);
  background: var(--trace-connect-soft);
}

.trace-connect-list.compact article {
  padding: 9px;
}

.trace-connect-list article.is-unread {
  border-color: color-mix(in srgb, var(--trace-connect-brand) 42%, var(--trace-connect-line));
  background: color-mix(in srgb, var(--trace-connect-brand) 8%, var(--trace-connect-panel));
}

.trace-connect-list article.active {
  border-color: color-mix(in srgb, var(--trace-connect-accent) 48%, var(--trace-connect-line));
}

.trace-connect-list strong,
.trace-connect-list a {
  color: var(--trace-connect-text);
  font-weight: 950;
  text-decoration: none;
}

.trace-connect-list span {
  color: var(--trace-connect-text);
  line-height: 1.5;
}

.trace-connect-form,
.trace-premium-form {
  display: grid;
  gap: var(--trace-connect-gap);
}

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

.trace-field,
.trace-upload-field {
  display: grid;
  gap: 8px;
  min-width: 0;
}

.trace-field.wide,
.trace-list-head {
  grid-column: 1 / -1;
}

.trace-label {
  color: var(--trace-connect-muted);
  font-size: 12px;
  font-weight: 900;
}

.trace-input-wrap {
  display: flex;
  align-items: center;
  gap: 9px;
  min-height: var(--trace-connect-field);
  border: 1px solid var(--trace-connect-line);
  border-radius: var(--trace-connect-radius);
  background: var(--trace-connect-soft);
  padding-inline: 10px;
  transition: border-color .16s ease, box-shadow .16s ease, background .16s ease;
}

.trace-input-wrap:focus-within {
  border-color: color-mix(in srgb, var(--trace-connect-brand) 54%, var(--trace-connect-line));
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--trace-connect-brand) 12%, transparent);
}

.trace-input-wrap input,
.trace-input-wrap select,
.trace-input-wrap textarea {
  width: 100%;
  min-width: 0;
  min-height: var(--trace-connect-field);
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--trace-connect-text);
  font: inherit;
  font-size: 14px;
}

.trace-textarea-wrap {
  align-items: flex-start;
  padding-top: 8px;
}

.trace-input-wrap textarea {
  min-height: 108px;
  resize: vertical;
}

.trace-field-icon {
  display: grid;
  place-items: center;
  flex: 0 0 18px;
  width: 18px;
  height: 18px;
  color: var(--trace-connect-brand);
}

.trace-ui-icon,
.trace-field-svg,
.trace-toggle-icon,
.trace-upload-icon {
  display: block;
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.trace-toggle-icon {
  width: 16px;
  height: 16px;
}

.trace-password-toggle {
  display: inline-grid;
  place-items: center;
  flex: 0 0 30px;
  width: 30px;
  height: 30px;
  min-height: 30px;
  padding: 0;
  border: 1px solid var(--trace-connect-line);
  border-radius: 7px;
  background: var(--trace-connect-panel);
  color: var(--trace-connect-muted);
  font-size: 0;
}

.trace-password-toggle:hover,
.trace-password-toggle:focus-visible {
  color: var(--trace-connect-brand);
  border-color: color-mix(in srgb, var(--trace-connect-brand) 40%, var(--trace-connect-line));
}

.trace-field small,
.trace-upload-copy small,
.trace-upload-copy em {
  color: var(--trace-connect-muted);
  line-height: 1.4;
}

.trace-check {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 10px;
  border: 1px solid var(--trace-connect-line);
  border-radius: var(--trace-connect-radius);
  background: var(--trace-connect-soft);
}

.trace-check input {
  margin-top: 3px;
  accent-color: var(--trace-connect-brand);
}

.trace-check span {
  display: grid;
  gap: 3px;
}

.trace-submit.secondary {
  background: var(--trace-connect-soft);
  color: var(--trace-connect-text);
  border-color: var(--trace-connect-line);
}

.trace-submit.is-loading,
.trace-connect-form button.is-loading {
  opacity: .76;
  pointer-events: none;
}

.trace-upload-field input[type=file] {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.trace-upload-drop {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  min-height: 76px;
  padding: 10px;
  border: 1px dashed color-mix(in srgb, var(--trace-connect-brand) 38%, var(--trace-connect-line));
  border-radius: var(--trace-connect-radius);
  background: color-mix(in srgb, var(--trace-connect-soft) 78%, var(--trace-connect-panel));
  cursor: pointer;
}

.trace-upload-drop.is-dragging {
  background: color-mix(in srgb, var(--trace-connect-brand) 10%, var(--trace-connect-panel));
}

.trace-upload-preview {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: var(--trace-connect-radius);
  background: var(--trace-connect-panel);
  color: var(--trace-connect-brand);
  font-weight: 950;
  overflow: hidden;
}

.trace-upload-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.trace-upload-copy {
  display: grid;
  gap: 3px;
  min-width: 0;
}

.trace-upload-progress {
  height: 7px;
  border-radius: 999px;
  background: var(--trace-connect-soft);
  overflow: hidden;
}

.trace-upload-progress i {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--trace-connect-brand), #f97316);
}

.trace-upload-selected {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
  padding: 10px;
  border-radius: var(--trace-connect-radius);
  background: var(--trace-connect-soft);
}

.trace-message-layout {
  display: grid;
  grid-template-columns: minmax(250px, .42fr) minmax(0, 1fr);
  gap: var(--trace-connect-gap);
}

.trace-conversation-list {
  align-self: start;
}

.trace-chat-panel {
  display: grid;
  grid-template-rows: auto minmax(280px, 56vh) auto;
  min-height: 620px;
}

.trace-chat-stream {
  display: grid;
  align-content: start;
  gap: 12px;
  min-height: 0;
  overflow-y: auto;
  padding: 12px;
  border: 1px solid var(--trace-connect-line);
  border-radius: var(--trace-connect-radius);
  background: var(--trace-connect-soft);
}

.trace-chat-bubble {
  display: grid;
  gap: 4px;
  max-width: 78%;
  padding: 12px;
  border: 1px solid var(--trace-connect-line);
  border-radius: var(--trace-connect-radius);
  background: var(--trace-connect-panel);
}

.trace-chat-bubble.is-member {
  justify-self: end;
  border-color: color-mix(in srgb, var(--trace-connect-brand) 34%, var(--trace-connect-line));
  background: color-mix(in srgb, var(--trace-connect-brand) 7%, var(--trace-connect-panel));
}

.trace-chat-bubble p {
  margin: 0;
  white-space: pre-wrap;
}

.trace-chat-composer {
  margin-top: var(--trace-connect-gap);
}

.trace-file-link {
  display: grid;
  padding: 8px;
  border: 1px solid var(--trace-connect-line);
  border-radius: var(--trace-connect-radius);
  color: var(--trace-connect-text);
  background: var(--trace-connect-soft);
}

.trace-list-head {
  display: flex;
  justify-content: space-between;
  gap: var(--trace-connect-gap);
  align-items: center;
  margin-bottom: var(--trace-connect-gap);
}

.trace-toast-host {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 10000;
  display: grid;
  gap: 10px;
  width: min(420px, calc(100vw - 28px));
}

.trace-toast {
  padding: 12px 14px;
  border: 1px solid var(--trace-connect-line);
  border-radius: var(--trace-connect-radius);
  background: var(--trace-connect-panel);
  color: var(--trace-connect-text);
  box-shadow: var(--trace-connect-shadow);
  font-weight: 850;
}

.trace-toast.ok { border-color: color-mix(in srgb, var(--trace-connect-success) 45%, var(--trace-connect-line)); }
.trace-toast.error { border-color: color-mix(in srgb, var(--trace-connect-danger) 45%, var(--trace-connect-line)); }

@media (max-width: 1120px) {
  .trace-connect-topbar {
    grid-template-columns: 1fr;
  }

  .trace-connect-top-actions {
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .trace-connect-shell,
  .trace-message-layout,
  .trace-dashboard-grid,
  .trace-dashboard-grid.three {
    grid-template-columns: 1fr;
  }

  .trace-connect-nav {
    position: static;
    display: flex;
    overflow-x: auto;
  }

  .trace-connect-nav strong {
    display: none;
  }
}

@media (max-width: 720px) {
  .trace-connect-app {
    padding: 12px;
  }

  .trace-connect-search {
    display: none;
  }

  .trace-connect-top-actions {
    display: grid;
    grid-template-columns: repeat(4, 42px) minmax(160px, 1fr);
  }

  .trace-member-chip {
    width: 42px;
    padding: 4px;
  }

  .trace-member-chip > span:last-child,
  .trace-quick-send {
    display: none;
  }

  .trace-account-hero,
  .trace-stat-grid,
  .trace-performance-grid,
  .trace-performance-grid.badges,
  .trace-form-grid,
  .trace-upload-grid {
    grid-template-columns: 1fr;
  }

  .trace-chat-panel {
    grid-template-rows: auto minmax(280px, 54vh) auto;
    min-height: 0;
  }

  .trace-chat-bubble {
    max-width: 100%;
  }

  .trace-list-head,
  .trace-panel-head {
    display: grid;
  }
}