/* BSC ECOLAB Account Design System v1.0
 * Shared foundation for independent BSC ECOLAB services.
 * Product layouts remain independent; tokens and controls stay consistent.
 */
:root {
  color-scheme: light;
  --bsc-navy: #00273d;
  --bsc-navy-hover: #003b59;
  --bsc-ocean: #0878b9;
  --bsc-sky: #38b6ff;
  --bsc-page: #f4f8fb;
  --bsc-surface: #ffffff;
  --bsc-surface-subtle: #f8fafc;
  --bsc-text: #00273d;
  --bsc-text-secondary: #5f7180;
  --bsc-text-muted: #8998a3;
  --bsc-line: #cbd8e1;
  --bsc-line-strong: #7892a3;
  --bsc-focus: rgba(56, 182, 255, 0.32);
  --bsc-success: #079455;
  --bsc-warning: #b54708;
  --bsc-danger: #d92d20;
  --bsc-info: #0878b9;
  --bsc-radius-sm: 4px;
  --bsc-radius: 8px;
  --bsc-shadow-sm: 0 1px 2px rgba(0, 39, 61, 0.06);
  --bsc-shadow: 0 8px 24px rgba(0, 39, 61, 0.08);
  --bsc-font:
    "Noto Sans TC", Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang HK",
    "Microsoft JhengHei", sans-serif;
  --bsc-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --bsc-fast: 150ms cubic-bezier(0.22, 1, 0.36, 1);
  --bsc-normal: 220ms cubic-bezier(0.22, 1, 0.36, 1);

  /* Backwards-compatible aliases used by existing services. */
  --primary: var(--bsc-navy);
  --primary-hover: var(--bsc-navy-hover);
  --primary-active: #001a2b;
  --primary-light: rgba(56, 182, 255, 0.12);
  --secondary: #eef4f8;
  --secondary-hover: #e1ebf1;
  --accent: var(--bsc-ocean);
  --accent-hover: var(--bsc-navy);
  --accent-light: rgba(8, 120, 185, 0.12);
  --accent-2: var(--bsc-ocean);
  --success: var(--bsc-success);
  --success-light: #ecfdf3;
  --warning: var(--bsc-warning);
  --warning-light: #fffaeb;
  --danger: var(--bsc-danger);
  --danger-light: #fef3f2;
  --info: var(--bsc-info);
  --info-light: #eff8ff;
  --background: var(--bsc-page);
  --surface: var(--bsc-surface);
  --surface-hover: var(--bsc-surface-subtle);
  --text-primary: var(--bsc-text);
  --text-secondary: var(--bsc-text-secondary);
  --text-muted: var(--bsc-text-muted);
  --text-inverse: #fff;
  --border: var(--bsc-line);
  --border-light: #e3ebf0;
  --radius-sm: var(--bsc-radius-sm);
  --radius-md: var(--bsc-radius);
  --radius-lg: var(--bsc-radius);
  --radius-xl: var(--bsc-radius);
  --radius-pill: 999px;
  --shadow-sm: var(--bsc-shadow-sm);
  --shadow-md: var(--bsc-shadow);
  --shadow-lg: 0 16px 40px rgba(0, 39, 61, 0.12);
  --shadow-focus: 0 0 0 3px var(--bsc-focus);
  --glass-bg: rgba(255, 255, 255, 0.92);
  --glass-border: rgba(0, 39, 61, 0.12);
  --glass-blur: blur(12px);
  --glass-shadow: var(--bsc-shadow);
  --font-family: var(--bsc-font);
  --transition-fast: var(--bsc-fast);
  --transition-normal: var(--bsc-normal);

  /* Legacy product aliases; these turn older dark shells into Account light surfaces. */
  --bg: var(--bsc-page);
  --panel: var(--bsc-surface);
  --panel-2: var(--bsc-surface-subtle);
  --panel2: var(--bsc-surface-subtle);
  --line: var(--bsc-line);
  --text: var(--bsc-text);
  --muted: var(--bsc-text-secondary);
  --soft: var(--bsc-text-muted);
  --blue: var(--bsc-sky);
  --gold: var(--bsc-ocean);
  --radius: var(--bsc-radius);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  min-width: 320px;
  background: var(--bsc-page);
  scroll-behavior: smooth;
}
body {
  min-height: 100vh;
  margin: 0;
  background: var(--bsc-page);
  color: var(--bsc-text);
  font-family: var(--bsc-font);
  line-height: 1.55;
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
button,
input,
select,
textarea {
  font: inherit;
  letter-spacing: 0;
}
a {
  color: var(--bsc-ocean);
  text-decoration: none;
}
a:hover {
  color: var(--bsc-navy);
  text-decoration: underline;
}
img {
  max-width: 100%;
  height: auto;
}
h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0;
  color: var(--bsc-text);
  font-weight: 750;
  line-height: 1.18;
  letter-spacing: 0;
}
h1 {
  font-size: clamp(2rem, 4vw, 3.4rem);
}
h2 {
  font-size: clamp(1.35rem, 2vw, 1.8rem);
}
h3 {
  font-size: 1.1rem;
}
p {
  color: var(--bsc-text-secondary);
}

:where(a, button, input, select, textarea, summary, [tabindex]):focus-visible {
  outline: 3px solid var(--bsc-focus);
  outline-offset: 2px;
}
:where(button, .btn, .button, a, input, select, textarea) {
  transition:
    color var(--bsc-fast),
    background-color var(--bsc-fast),
    border-color var(--bsc-fast),
    box-shadow var(--bsc-fast),
    opacity var(--bsc-fast),
    transform var(--bsc-fast);
}
:where(button, .btn, .button):not(:disabled):active {
  transform: translateY(1px);
}

.container {
  width: min(1180px, 100%);
  margin-inline: auto;
  padding-inline: clamp(16px, 3vw, 32px);
}
.container-fluid {
  width: 100%;
  padding-inline: clamp(16px, 3vw, 32px);
}
.d-flex {
  display: flex;
}
.d-inline-flex {
  display: inline-flex;
}
.flex-column {
  flex-direction: column;
}
.flex-wrap {
  flex-wrap: wrap;
}
.justify-content-center {
  justify-content: center;
}
.justify-content-between {
  justify-content: space-between;
}
.justify-content-end {
  justify-content: flex-end;
}
.align-items-center {
  align-items: center;
}
.align-items-start {
  align-items: flex-start;
}
.gap-1 {
  gap: 8px;
}
.gap-2 {
  gap: 16px;
}
.gap-3 {
  gap: 24px;
}
.gap-4 {
  gap: 32px;
}
.grid {
  display: grid;
  gap: 16px;
}
.grid-cols-1 {
  grid-template-columns: 1fr;
}
.grid-cols-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.grid-cols-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.grid-cols-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}
.m-0 {
  margin: 0 !important;
}
.mt-1 {
  margin-top: 8px !important;
}
.mt-2 {
  margin-top: 16px !important;
}
.mt-3 {
  margin-top: 24px !important;
}
.mt-4 {
  margin-top: 32px !important;
}
.mb-1 {
  margin-bottom: 8px !important;
}
.mb-2 {
  margin-bottom: 16px !important;
}
.mb-3 {
  margin-bottom: 24px !important;
}
.mb-4 {
  margin-bottom: 32px !important;
}
.p-1 {
  padding: 8px !important;
}
.p-2 {
  padding: 16px !important;
}
.p-3 {
  padding: 24px !important;
}
.p-4 {
  padding: 32px !important;
}
.text-center {
  text-align: center;
}
.text-right {
  text-align: right;
}
.text-muted {
  color: var(--bsc-text-muted) !important;
}
.text-danger {
  color: var(--bsc-danger) !important;
}
.text-success {
  color: var(--bsc-success) !important;
}
.w-100 {
  width: 100%;
}
.h-100 {
  height: 100%;
}

.header,
.topbar,
.bsc-header {
  min-height: 72px;
  border-bottom: 1px solid var(--bsc-line);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: none;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.header {
  margin-block: 16px 28px;
  padding: 12px 18px;
  border: 1px solid var(--bsc-line);
  border-radius: var(--bsc-radius);
}
.header-brand,
.brand,
.bsc-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--bsc-navy);
  font-weight: 800;
}
.brand:hover {
  text-decoration: none;
}
.brand-logo {
  display: block;
  width: 48px;
  height: 48px;
  object-fit: contain;
  background: transparent;
  border-radius: 0;
}
header img[src*="bsc-ecolab-logo"] {
  filter: brightness(0) saturate(100%) invert(13%) sepia(30%) saturate(1682%) hue-rotate(158deg)
    brightness(91%) contrast(104%);
}

.avatar-badge {
  display: inline-grid;
  flex: none;
  place-items: center;
  padding: 3px;
  border-radius: 999px;
  background: var(--bsc-line);
}
.user-avatar {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border: 2px solid var(--bsc-surface);
  border-radius: 999px;
  background: #edf5f9;
  color: var(--bsc-navy);
  font-weight: 800;
}
.user-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.plan-ring-lite {
  background: linear-gradient(135deg, #5f6b76, #aab4bd);
}
.plan-ring-plus {
  background: linear-gradient(135deg, #006a5c, #38bfa5);
}
.plan-ring-pro {
  background: linear-gradient(135deg, #003b68, #38b6ff);
}
.plan-ring-premium {
  background: linear-gradient(135deg, #00273d, #006ed1, #39d6c5);
}
.plan-ring-ultra-5x {
  background: linear-gradient(135deg, #00273d, #0078b8, #38b6ff);
}
.plan-ring-ultra-20x {
  background: linear-gradient(135deg, #001b33, #006ed1, #38b6ff, #39d6c5);
}
.plan-ring-team-50x {
  background: linear-gradient(135deg, #00273d, #0b7f78, #53d8c6);
}
.plan-ring-team-100x {
  background: linear-gradient(135deg, #001527, #006ed1, #38b6ff, #39d6c5);
}

.card,
.panel,
.bsc-card {
  background: var(--bsc-surface);
  border: 1px solid var(--bsc-line);
  border-radius: var(--bsc-radius);
  box-shadow: var(--bsc-shadow-sm);
}
.card {
  padding: 22px;
}
.card.interactive:hover,
.panel.interactive:hover {
  border-color: var(--bsc-line-strong);
  box-shadow: var(--bsc-shadow);
  transform: translateY(-2px);
}
.glass-effect {
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid var(--bsc-line);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.btn,
.button {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 16px;
  border: 1px solid var(--bsc-navy);
  border-radius: var(--bsc-radius);
  background: var(--bsc-navy);
  color: #fff;
  font-weight: 700;
  line-height: 1.2;
  cursor: pointer;
  text-decoration: none;
}
.btn:hover,
.button:hover {
  background: var(--bsc-navy-hover);
  color: #fff;
  text-decoration: none;
}
.btn-secondary,
.btn-outline,
.btn-ghost,
.button.ghost {
  border-color: var(--bsc-line-strong);
  background: var(--bsc-surface);
  color: var(--bsc-navy);
}
.btn-secondary:hover,
.btn-outline:hover,
.btn-ghost:hover,
.button.ghost:hover {
  border-color: var(--bsc-navy);
  background: var(--bsc-surface-subtle);
  color: var(--bsc-navy);
}
.btn-danger {
  border-color: var(--bsc-danger);
  background: var(--bsc-danger);
  color: #fff;
}
.btn-sm {
  min-height: 34px;
  padding: 6px 11px;
  font-size: 0.875rem;
}
.btn-lg {
  min-height: 48px;
  padding: 12px 20px;
}
:where(.btn, .button):disabled,
:where(.btn, .button).disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.form-group {
  display: grid;
  gap: 7px;
  margin-bottom: 16px;
}
.form-label,
label {
  color: var(--bsc-text);
  font-size: 0.92rem;
  font-weight: 700;
}
.form-control,
input:not([type="checkbox"]):not([type="radio"]),
select,
textarea {
  width: 100%;
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid var(--bsc-line-strong);
  border-radius: var(--bsc-radius);
  background: var(--bsc-surface);
  color: var(--bsc-text);
}
textarea {
  min-height: 96px;
  resize: vertical;
}
.form-control:hover,
input:hover,
select:hover,
textarea:hover {
  border-color: var(--bsc-navy);
}
.form-control:focus,
input:focus,
select:focus,
textarea:focus {
  border-color: var(--bsc-sky);
  outline: none;
  box-shadow: 0 0 0 3px var(--bsc-focus);
}
::placeholder {
  color: var(--bsc-text-muted);
  opacity: 1;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 8px;
  border: 1px solid var(--bsc-line);
  border-radius: var(--bsc-radius-sm);
  background: var(--bsc-surface-subtle);
  color: var(--bsc-text-secondary);
  font-size: 0.78rem;
  font-weight: 750;
}
.badge-primary {
  border-color: rgba(8, 120, 185, 0.24);
  background: #eff8ff;
  color: var(--bsc-info);
}
.badge-success {
  border-color: #abefc6;
  background: #ecfdf3;
  color: var(--bsc-success);
}
.badge-warning {
  border-color: #fedf89;
  background: #fffaeb;
  color: var(--bsc-warning);
}
.badge-danger {
  border-color: #fecdca;
  background: #fef3f2;
  color: var(--bsc-danger);
}

.alert {
  display: flex;
  gap: 12px;
  padding: 14px 16px;
  border: 1px solid var(--bsc-line);
  border-radius: var(--bsc-radius);
  background: var(--bsc-surface);
  color: var(--bsc-text);
}
.alert-info {
  border-color: #b2ddff;
  background: #eff8ff;
}
.alert-success {
  border-color: #abefc6;
  background: #ecfdf3;
}
.alert-warning {
  border-color: #fedf89;
  background: #fffaeb;
}
.alert-danger {
  border-color: #fecdca;
  background: #fef3f2;
}
.table-responsive {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--bsc-line);
  border-radius: var(--bsc-radius);
}
table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bsc-surface);
}
th,
td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border-light);
  text-align: left;
}
th {
  background: var(--bsc-surface-subtle);
  color: var(--bsc-text-secondary);
  font-size: 0.78rem;
  text-transform: uppercase;
}
tr:last-child td {
  border-bottom: 0;
}

.code-block,
pre,
code {
  font-family: var(--bsc-mono);
}
.code-block,
pre {
  border: 1px solid var(--bsc-line);
  border-radius: var(--bsc-radius);
  background: #f7fafc;
  color: var(--bsc-text);
}
.loading-shimmer {
  position: relative;
  overflow: hidden;
  background: #e8f0f5;
}
.loading-shimmer::after {
  content: "";
  position: absolute;
  inset: 0;
  transform: translateX(-100%);
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.8), transparent);
  animation: bsc-shimmer 1.2s infinite;
}
@keyframes bsc-shimmer {
  to {
    transform: translateX(100%);
  }
}
@keyframes bsc-rise {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}
.motion-stagger > * {
  animation: bsc-rise var(--bsc-normal) both;
}

/* Shared server-rendered product surfaces. */
.topbar {
  padding: 0 clamp(18px, 4vw, 48px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  position: sticky;
  top: 0;
  z-index: 10;
}
.topbar .mark {
  width: 34px;
  height: 34px;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--bsc-line);
  border-radius: var(--bsc-radius);
  background: transparent;
  color: var(--bsc-ocean);
}
.service-scope {
  color: var(--bsc-text-muted);
  font-size: 0.75rem;
  font-weight: 750;
  text-transform: uppercase;
}
.shell {
  width: min(1180px, 100%);
  margin: 0 auto;
  padding: clamp(36px, 6vw, 72px) clamp(18px, 4vw, 44px) 52px;
}
.hero {
  padding-bottom: 32px;
}
.hero.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.8fr);
  gap: 42px;
  align-items: center;
}
.eyebrow {
  margin: 0 0 10px;
  color: var(--bsc-ocean);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}
.hero h1 {
  max-width: 860px;
}
.lead {
  max-width: 760px;
  margin: 16px 0 0;
  font-size: clamp(1rem, 2vw, 1.18rem);
}
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}
.panel {
  padding: 20px;
}
.panel > span {
  color: var(--bsc-ocean);
  font-family: var(--bsc-mono);
  font-size: 0.76rem;
  font-weight: 750;
}
.panel h2 {
  margin-top: 12px;
}
.panel p {
  margin: 8px 0 0;
}
.products {
  gap: 16px;
}
.product-card {
  border-color: var(--bsc-line);
  background: var(--bsc-surface);
  box-shadow: var(--bsc-shadow-sm);
}
.product-head span,
.section-title {
  color: var(--bsc-ocean);
}
.open-button {
  border: 1px solid var(--bsc-navy);
  background: var(--bsc-navy);
  color: #fff;
}
.open-button:hover {
  background: var(--bsc-navy-hover);
  color: #fff;
  text-decoration: none;
}
.console-preview {
  min-height: 260px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 10px;
  padding: 20px;
  border: 1px solid var(--bsc-line);
  border-radius: var(--bsc-radius);
  background: var(--bsc-surface);
}
.console-preview strong {
  font-size: 1.7rem;
}

.app-frame {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr) minmax(280px, 34vw);
  background: var(--bsc-page);
}
.sidebar {
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 22px 18px;
  border-right: 1px solid var(--bsc-line);
  background: var(--bsc-surface);
}
.sidebar .product {
  margin-bottom: 16px;
  color: var(--bsc-navy);
  font-weight: 850;
}
.sidebar a {
  padding: 10px;
  border-radius: var(--bsc-radius);
  color: var(--bsc-text-secondary);
  font-weight: 700;
}
.sidebar a.active,
.sidebar a:hover,
.sidebar .new-chat {
  background: #eef5f9;
  color: var(--bsc-navy);
  text-decoration: none;
}
.credit {
  margin-top: auto;
  padding: 12px;
  border: 1px solid var(--bsc-line);
  border-radius: var(--bsc-radius);
}
.credit span {
  color: var(--bsc-text-muted);
  font-size: 0.75rem;
}
.credit strong {
  display: block;
  font-size: 1.5rem;
}
.chat-main {
  min-width: 0;
  display: flex;
  flex-direction: column;
  position: relative;
  background: var(--bsc-page);
}
.chat-top {
  min-height: 64px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 20px;
  border-bottom: 1px solid var(--bsc-line);
  background: var(--bsc-surface);
}
.chat-top select {
  width: auto;
}
.chat-top span {
  color: var(--bsc-text-muted);
  font-size: 0.75rem;
}
.messages {
  flex: 1;
  overflow: auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 24px 7vw 220px;
}
.message {
  max-width: 820px;
  padding: 14px 16px;
  border: 1px solid var(--bsc-line);
  border-radius: var(--bsc-radius);
  background: var(--bsc-surface);
}
.message.user {
  align-self: flex-end;
  border-color: #b2ddff;
  background: #eff8ff;
}
.message p {
  margin: 6px 0 0;
}
.composer {
  position: absolute;
  right: 7vw;
  bottom: 24px;
  left: 7vw;
  padding: 12px;
  border: 1px solid var(--bsc-line);
  border-radius: var(--bsc-radius);
  background: var(--bsc-surface);
  box-shadow: var(--bsc-shadow);
}
.tool-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}
.tool-row button {
  min-height: 34px;
  padding: 6px 10px;
  border-color: var(--bsc-line);
  background: var(--bsc-surface);
  color: var(--bsc-text-secondary);
}
.tool-row button.active {
  border-color: var(--bsc-navy);
  background: var(--bsc-navy);
  color: #fff;
}
.send {
  float: right;
  margin-top: 10px;
}
.canvas {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 20px;
  border-left: 1px solid var(--bsc-line);
  background: var(--bsc-surface);
}
.canvas > div {
  display: flex;
  justify-content: space-between;
  gap: 10px;
}
.canvas pre {
  min-height: 220px;
  padding: 14px;
  white-space: pre-wrap;
}
.support-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.75fr);
  gap: 16px;
  margin-bottom: 16px;
}
.form-panel form,
#lookupForm {
  display: grid;
  gap: 10px;
}
.result {
  color: var(--bsc-info);
  font-weight: 700;
}
.search {
  display: block;
  max-width: 760px;
  margin-top: 24px;
}
.search span {
  display: block;
  margin-bottom: 8px;
  color: var(--bsc-text-muted);
  font-size: 0.8rem;
}

@media (max-width: 768px) {
  .grid-cols-2,
  .grid-cols-3,
  .grid-cols-4 {
    grid-template-columns: 1fr;
  }
  .header {
    align-items: flex-start;
    gap: 12px;
  }
  .btn,
  .button {
    max-width: 100%;
  }
}
@media (max-width: 920px) {
  .hero.split,
  .support-layout,
  .app-frame {
    grid-template-columns: 1fr;
  }
  .app-frame .sidebar,
  .app-frame .canvas {
    display: none;
  }
  .messages {
    padding: 18px 16px 220px;
  }
  .composer {
    right: 12px;
    left: 12px;
  }
  .topbar {
    align-items: flex-start;
    flex-direction: column;
    padding-block: 12px;
  }
}
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Apple-inspired BSC ECOLAB surface layer.
 * Interaction colours remain the established BSC navy and ocean blue.
 */
:root {
  --bsc-page: #f5f5f7;
  --bsc-surface: #ffffff;
  --bsc-surface-subtle: #fafafc;
  --bsc-text: #1d1d1f;
  --bsc-text-secondary: #6e6e73;
  --bsc-text-muted: #86868b;
  --bsc-line: #d2d2d7;
  --bsc-line-strong: #aeb4bb;
  --bsc-radius: 18px;
  --bsc-radius-sm: 10px;
  --bsc-shadow-sm: none;
  --bsc-shadow: none;
  --bsc-font:
    "SF Pro Text", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang HK",
    "PingFang TC", "PingFang SC", "Hiragino Sans", "Yu Gothic UI", "Malgun Gothic", sans-serif;
}

html,
body,
.app-frame,
.chat-main {
  background: var(--bsc-page);
}

body {
  font-size: 17px;
  line-height: 1.47;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  color: var(--bsc-text);
  font-weight: 600;
}

.topbar,
.chat-top {
  background: rgba(255, 255, 255, 0.82);
  border-color: rgba(0, 0, 0, 0.09);
  backdrop-filter: saturate(180%) blur(18px);
  -webkit-backdrop-filter: saturate(180%) blur(18px);
}

.card,
.panel,
.bsc-card,
.product-card,
.message,
.composer,
.canvas,
.console-preview,
.credit {
  border-color: var(--bsc-line);
  background: var(--bsc-surface);
  box-shadow: none;
}

.btn,
.button,
.open-button,
button[type="submit"] {
  border-radius: 999px;
}

:where(.btn, .button, .open-button, button[type="submit"]):not(:disabled):active {
  transform: scale(0.96);
}

input:not([type="checkbox"]):not([type="radio"]),
select,
textarea,
.form-control {
  border-color: var(--bsc-line);
  border-radius: 12px;
  background: var(--bsc-surface);
}

@media (prefers-reduced-transparency: reduce) {
  .topbar,
  .chat-top {
    background: var(--bsc-surface);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }
}