:root {
  color-scheme: dark;
  --rt-bg: #05020a;
  --rt-bg2: #0b0712;
  --rt-bg-deep: #140b1d;
  --rt-bg-elevated: #1a1126;
  --rt-surface: rgba(18, 12, 28, 0.84);
  --rt-surface-strong: rgba(28, 16, 39, 0.94);
  --rt-surface-soft: rgba(255, 255, 255, 0.05);
  --rt-surface-glass: rgba(11, 8, 18, 0.76);
  --rt-panel: rgba(18, 12, 28, 0.9);
  --rt-panel2: rgba(26, 17, 38, 0.94);
  --rt-border: rgba(231, 220, 255, 0.12);
  --rt-border2: rgba(231, 220, 255, 0.18);
  --rt-border-strong: rgba(255, 255, 255, 0.24);
  --rt-border-subtle: rgba(255, 255, 255, 0.08);
  --rt-text: #f8f4ff;
  --rt-text-soft: rgba(248, 244, 255, 0.8);
  --rt-text-faint: rgba(248, 244, 255, 0.56);
  --rt-text-muted: rgba(248, 244, 255, 0.68);
  --rt-muted: rgba(248, 244, 255, 0.68);
  --rt-faint: rgba(248, 244, 255, 0.52);
  --rt-rose: #ef4444;
  --rt-rose2: #f43f5e;
  --rt-rose-bright: #fb7185;
  --rt-rose-glow: rgba(244, 63, 94, 0.32);
  --rt-cyan: #b072ff;
  --rt-blue: #8b5cf6;
  --rt-accent: #a855f7;
  --rt-gold: #f4c46a;
  --rt-success: #71d7a6;
  --rt-warning: #f0b862;
  --rt-warn: #f0b862;
  --rt-danger: #ff8c98;
  --rt-radius: 16px;
  --rt-radius-xl: 26px;
  --rt-radius-lg: 20px;
  --rt-radius-md: 14px;
  --rt-radius-sm: 10px;
  --rt-shadow: 0 22px 70px rgba(0, 0, 0, 0.38);
  --rt-shadow2: 0 14px 34px rgba(0, 0, 0, 0.26);
  --rt-shadow-soft: 0 22px 70px rgba(0, 0, 0, 0.38);
  --rt-shadow-tight: 0 12px 26px rgba(0, 0, 0, 0.22);
  --rt-transition-fast: 0.18s ease;
  --rt-t: 0.18s ease;
  --rt-font-display: "Segoe UI Variable Display", "Bahnschrift SemiCondensed", "Trebuchet MS", sans-serif;
  --rt-font-body: "Segoe UI Variable Text", "Aptos", "Trebuchet MS", "Gill Sans", sans-serif;
  --rt-font: "Segoe UI Variable Text", "Aptos", "Trebuchet MS", "Gill Sans", sans-serif;
  --rt-font-mono: "Cascadia Code", "Consolas", "SFMono-Regular", monospace;
  --rt-mono: "Cascadia Code", "Consolas", "SFMono-Regular", monospace;
}

body[data-theme="light"] {
  color-scheme: light;
  --rt-bg: #f6edf8;
  --rt-bg2: #efe4f4;
  --rt-bg-deep: #e8dbef;
  --rt-bg-elevated: #ffffff;
  --rt-surface: rgba(255, 255, 255, 0.9);
  --rt-surface-strong: rgba(255, 252, 255, 0.98);
  --rt-surface-soft: rgba(94, 39, 126, 0.06);
  --rt-surface-glass: rgba(252, 247, 255, 0.82);
  --rt-panel: rgba(255, 255, 255, 0.92);
  --rt-panel2: rgba(250, 243, 252, 0.98);
  --rt-border: rgba(83, 51, 103, 0.14);
  --rt-border2: rgba(83, 51, 103, 0.2);
  --rt-border-strong: rgba(83, 51, 103, 0.24);
  --rt-border-subtle: rgba(83, 51, 103, 0.1);
  --rt-text: #241629;
  --rt-text-soft: rgba(36, 22, 41, 0.8);
  --rt-text-faint: rgba(36, 22, 41, 0.54);
  --rt-text-muted: rgba(36, 22, 41, 0.7);
  --rt-muted: rgba(36, 22, 41, 0.7);
  --rt-faint: rgba(36, 22, 41, 0.5);
  --rt-shadow: 0 20px 55px rgba(89, 46, 110, 0.14);
  --rt-shadow2: 0 12px 28px rgba(89, 46, 110, 0.12);
  --rt-shadow-soft: 0 20px 55px rgba(89, 46, 110, 0.14);
  --rt-shadow-tight: 0 12px 24px rgba(89, 46, 110, 0.1);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
}

body {
  min-height: 100%;
  margin: 0;
  color: var(--rt-text);
  font-family: var(--rt-font-body);
  background:
    radial-gradient(48rem 26rem at 6% -4%, rgba(168, 85, 247, 0.28), transparent 60%),
    radial-gradient(42rem 24rem at 94% 0%, rgba(244, 63, 94, 0.24), transparent 58%),
    radial-gradient(44rem 22rem at 50% 118%, rgba(139, 92, 246, 0.14), transparent 58%),
    linear-gradient(180deg, #05020a, #0b0712 42%, #140b1d 100%);
  overflow-x: hidden;
}

body[data-theme="light"] {
  background:
    radial-gradient(48rem 26rem at 6% -4%, rgba(168, 85, 247, 0.14), transparent 60%),
    radial-gradient(42rem 24rem at 94% 0%, rgba(244, 63, 94, 0.12), transparent 58%),
    radial-gradient(44rem 22rem at 50% 118%, rgba(139, 92, 246, 0.08), transparent 58%),
    linear-gradient(180deg, #f8f0fb, #f2e8f7 42%, #eadff2 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.22;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 30px 30px;
  mask-image: radial-gradient(circle at center, black 48%, transparent 100%);
}

a {
  color: inherit;
  text-decoration: none;
}

a:hover {
  color: var(--rt-cyan);
}

img,
video,
canvas {
  max-width: 100%;
  height: auto;
}

code,
pre {
  font-family: var(--rt-font-mono);
}

pre {
  white-space: pre-wrap;
  word-break: break-word;
}

.rt-page,
.rt-wrap,
.rt-container {
  width: min(1180px, calc(100% - 28px));
  margin: 0 auto;
}

.rt-page {
  padding: 22px 0 46px;
}

.rt-wrap + .rt-wrap {
  margin-top: 14px;
}

.rt-section {
  margin: 18px 0;
}

.rt-section-narrow {
  max-width: 900px;
}

.rt-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 16px;
}

.rt-col-3 { grid-column: span 3; }
.rt-col-4 { grid-column: span 4; }
.rt-col-6 { grid-column: span 6; }
.rt-col-8 { grid-column: span 8; }
.rt-col-12 { grid-column: span 12; }

.rt-header {
  position: sticky;
  top: 0;
  z-index: 60;
  border-bottom: 1px solid var(--rt-border);
  background: var(--rt-surface-glass);
  backdrop-filter: blur(20px);
}

.rt-header-inner,
.rt-footer-inner {
  width: min(1220px, calc(100% - 24px));
  margin: 0 auto;
}

.rt-header-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 14px;
  padding: 12px 0;
}

.rt-header-ribbon {
  border-top: 1px solid var(--rt-border-subtle);
  background: rgba(255, 255, 255, 0.02);
}

.rt-ribbon-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 8px 0 10px;
}

.rt-brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.rt-brand-mark {
  width: 16px;
  height: 16px;
  border-radius: 6px;
  transform: rotate(45deg);
  background: linear-gradient(135deg, var(--rt-blue), var(--rt-rose-bright));
  box-shadow:
    0 0 0 7px rgba(168, 85, 247, 0.12),
    0 10px 20px rgba(0, 0, 0, 0.22);
}

.rt-brand-stack {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}

.rt-brand-stack strong {
  font-family: var(--rt-font-display);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  text-transform: uppercase;
}

.rt-brand-stack small {
  color: var(--rt-text-faint);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.rt-nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
}

.rt-nav-link {
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid transparent;
  color: var(--rt-text-soft);
  transition:
    color var(--rt-transition-fast),
    border-color var(--rt-transition-fast),
    background var(--rt-transition-fast),
    transform var(--rt-transition-fast);
}

.rt-nav-link:hover,
.rt-nav-link.is-active {
  color: var(--rt-text);
  border-color: var(--rt-border2);
  background: rgba(168, 85, 247, 0.1);
  transform: translateY(-1px);
}

.rt-header-tools,
.rt-card-actions,
.rt-form-row,
.rt-pills,
.rt-footer-links,
.rt-cluster,
.rt-list-inline {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.rt-user-pill {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-height: 42px;
  padding: 7px 12px;
  border-radius: 999px;
  border: 1px solid var(--rt-border);
  background: rgba(255, 255, 255, 0.04);
}

.rt-user-avatar {
  width: 34px;
  height: 34px;
  border-radius: 11px;
  object-fit: cover;
  border: 1px solid var(--rt-border2);
}

.rt-user-avatar-fallback {
  display: inline-block;
  background: linear-gradient(135deg, rgba(168, 85, 247, 0.3), rgba(244, 63, 94, 0.28));
}

.rt-user-copy {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.rt-user-copy strong {
  font-size: 0.96rem;
}

.rt-user-copy small {
  color: var(--rt-text-faint);
}

.rt-card {
  position: relative;
  border: 1px solid var(--rt-border);
  border-radius: var(--rt-radius-lg);
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.015)),
    linear-gradient(145deg, var(--rt-surface), var(--rt-surface-strong));
  box-shadow: var(--rt-shadow-soft);
}

.rt-card::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.12), transparent);
}

.rt-card-inner,
.rt-card-body,
.rt-form,
.rt-status-stack {
  padding: 18px 20px;
}

.rt-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 15px 20px;
  border-bottom: 1px solid var(--rt-border-subtle);
}

.rt-eyebrow,
.rt-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--rt-text-faint);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.rt-eyebrow::before,
.rt-kicker::before {
  content: "";
  width: 26px;
  height: 1px;
  background: linear-gradient(90deg, var(--rt-blue), transparent);
}

.rt-title,
.rt-card-title,
.rt-shell-title {
  margin: 0;
  font-family: var(--rt-font-display);
  letter-spacing: -0.03em;
  line-height: 1.02;
}

.rt-title,
.rt-shell-title {
  font-size: clamp(2rem, 5vw, 4rem);
}

.rt-card-title {
  font-size: clamp(1.05rem, 2vw, 1.35rem);
}

.rt-shell-copy,
.rt-prose {
  color: var(--rt-text-soft);
  line-height: 1.7;
}

.rt-shell-copy p,
.rt-prose p,
.rt-card-muted,
.rt-card-text,
.rt-muted,
.rt-sub,
.rt-subtitle {
  margin: 0;
  color: var(--rt-text-soft);
  line-height: 1.7;
}

.rt-sub,
.rt-subtitle {
  font-size: 1rem;
}

.rt-note,
.rt-meta {
  color: var(--rt-text-faint);
  font-size: 0.92rem;
  line-height: 1.6;
}

.rt-shell {
  padding: 0;
}

.rt-shell-head {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(320px, 0.9fr);
  gap: 14px;
  padding: 20px 22px;
}

.rt-shell-panel {
  display: grid;
  gap: 18px;
}

.rt-shell-panel .rt-card,
.rt-shell-panel .rt-stat-card {
  min-height: 100%;
}

.rt-stat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.rt-stat-card {
  min-height: 118px;
  padding: 15px;
  border-radius: var(--rt-radius-md);
  border: 1px solid var(--rt-border);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02)),
    rgba(10, 8, 16, 0.58);
  box-shadow: var(--rt-shadow-tight);
}

.rt-stat-label {
  color: var(--rt-text-faint);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.rt-stat-value {
  display: block;
  margin-top: 8px;
  font-family: var(--rt-font-display);
  font-size: clamp(1.55rem, 3vw, 2.2rem);
  letter-spacing: -0.04em;
}

.rt-route-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.rt-route-card {
  display: grid;
  height: 100%;
  gap: 16px;
}

.rt-route-card:hover {
  transform: translateY(-2px);
}

.rt-route-card,
.rt-card.is-link {
  transition:
    transform var(--rt-transition-fast),
    border-color var(--rt-transition-fast),
    box-shadow var(--rt-transition-fast),
    background var(--rt-transition-fast);
}

.rt-route-card:hover,
.rt-card.is-link:hover {
  border-color: var(--rt-border2);
  box-shadow: var(--rt-shadow2);
}

.rt-route-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--rt-text-faint);
  font-size: 0.88rem;
}

.rt-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.rt-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: var(--rt-text-soft);
  line-height: 1.6;
}

.rt-list li::before {
  content: "";
  width: 10px;
  height: 10px;
  margin-top: 0.45rem;
  flex: 0 0 10px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--rt-cyan), var(--rt-rose-bright));
  box-shadow: 0 0 0 5px rgba(134, 212, 209, 0.1);
}

.rt-btn,
.rt-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 42px;
  padding: 0 15px;
  border-radius: 999px;
  border: 1px solid var(--rt-border-strong);
  background: rgba(255, 255, 255, 0.045);
  color: var(--rt-text);
  font-size: 0.9rem;
  font-weight: 800;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition:
    transform var(--rt-transition-fast),
    border-color var(--rt-transition-fast),
    background var(--rt-transition-fast),
    color var(--rt-transition-fast),
    box-shadow var(--rt-transition-fast);
}

.rt-btn:hover,
.rt-button:hover {
  transform: translateY(-1px);
  border-color: rgba(255, 255, 255, 0.22);
  box-shadow: var(--rt-shadow2);
}

.rt-btn-primary,
.rt-button,
.rt-button.primary {
  border-color: rgba(168, 85, 247, 0.38);
  background: linear-gradient(135deg, rgba(168, 85, 247, 0.2), rgba(244, 63, 94, 0.18));
}

.rt-btn-primary:hover,
.rt-button.primary:hover {
  border-color: rgba(244, 63, 94, 0.5);
}

.rt-btn-ghost,
.rt-button-ghost {
  background: transparent;
}

.rt-btn-danger {
  border-color: rgba(255, 140, 152, 0.38);
  background: rgba(255, 140, 152, 0.12);
}

.rt-theme-toggle {
  min-width: 84px;
}

.rt-pill,
.rt-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 30px;
  padding: 0 11px;
  border-radius: 999px;
  border: 1px solid var(--rt-border);
  background: rgba(255, 255, 255, 0.045);
  color: var(--rt-text-soft);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.rt-pill-ok,
.rt-chip-ok {
  border-color: rgba(126, 214, 174, 0.38);
  background: rgba(126, 214, 174, 0.16);
  color: #e2ffee;
}

.rt-pill-warn,
.rt-chip-warn {
  border-color: rgba(240, 192, 106, 0.35);
  background: rgba(240, 192, 106, 0.16);
  color: #fff0d2;
}

.rt-chip-danger {
  border-color: rgba(255, 140, 140, 0.35);
  background: rgba(255, 140, 140, 0.16);
  color: #ffdede;
}

.rt-form {
  display: grid;
  gap: 14px;
}

.rt-form-group {
  display: grid;
  gap: 8px;
  flex: 1 1 240px;
}

.rt-form-group label,
.rt-label {
  color: var(--rt-text-faint);
  font-size: 0.84rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

input,
select,
textarea {
  width: 100%;
  min-height: 44px;
  padding: 11px 12px;
  border: 1px solid var(--rt-border);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--rt-text);
  font: inherit;
}

textarea {
  min-height: 128px;
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: rgba(168, 85, 247, 0.42);
  box-shadow: 0 0 0 4px rgba(168, 85, 247, 0.12);
}

select option,
select optgroup {
  background: var(--rt-bg-elevated);
  color: var(--rt-text);
}

.rt-alert {
  margin: 16px 0;
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid var(--rt-border);
  background: rgba(255, 255, 255, 0.05);
}

.rt-alert-success {
  border-color: rgba(126, 214, 174, 0.35);
  background: rgba(126, 214, 174, 0.14);
}

.rt-alert-error {
  border-color: rgba(255, 140, 140, 0.35);
  background: rgba(255, 140, 140, 0.14);
}

.rt-table-wrap,
.rt-table-scroll {
  overflow: auto;
  border-radius: var(--rt-radius-md);
}

table.rt-table,
.rt-table {
  width: 100%;
  border-collapse: collapse;
}

table.rt-table th,
table.rt-table td,
.rt-table th,
.rt-table td {
  padding: 13px 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  text-align: left;
  vertical-align: top;
}

table.rt-table thead th,
.rt-table thead th {
  border-top: none;
  background: rgba(255, 255, 255, 0.05);
  color: var(--rt-text-faint);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.rt-footer {
  border-top: 1px solid var(--rt-border);
  background: rgba(10, 8, 16, 0.54);
}

.rt-footer-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 1fr);
  gap: 16px;
  padding: 20px 0 28px;
}

.rt-footer-brand {
  font-family: var(--rt-font-display);
  font-size: 1.3rem;
  letter-spacing: -0.03em;
}

.rt-footer-note {
  max-width: 620px;
  margin-top: 8px;
  color: var(--rt-text-faint);
  line-height: 1.7;
}

.rt-footer-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.rt-footer-column {
  display: grid;
  gap: 8px;
}

.rt-footer-column strong {
  color: var(--rt-text);
  font-size: 0.86rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.rt-footer-column a,
.rt-footer-links a {
  color: var(--rt-text-soft);
}

.rt-code-block {
  margin: 0;
  padding: 14px;
  border: 1px solid var(--rt-border);
  border-radius: 16px;
  background: rgba(0, 0, 0, 0.22);
}

.rt-empty {
  color: var(--rt-text-faint);
  text-align: center;
}

.rt-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.12), transparent);
}

.rt-mast-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  gap: 16px;
}

.rt-soft-panel {
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--rt-radius-md);
  background: rgba(255, 255, 255, 0.04);
}

.rt-soft-panel > div {
  padding: 18px;
}

.rt-list-inline {
  list-style: none;
  margin: 0;
  padding: 0;
}

.rt-status-card {
  max-width: 920px;
  margin: 18px auto;
}

body,
.rt-header,
.rt-header-ribbon,
.rt-card,
.rt-stat-card,
.rt-footer,
.rt-btn,
.rt-button,
.rt-chip,
.rt-pill,
input,
select,
textarea {
  transition:
    background var(--rt-transition-fast),
    border-color var(--rt-transition-fast),
    color var(--rt-transition-fast),
    box-shadow var(--rt-transition-fast),
    transform var(--rt-transition-fast);
}

body[data-theme="light"] .rt-card,
body[data-theme="light"] .rt-stat-card,
body[data-theme="light"] .rt-code-block,
body[data-theme="light"] .rt-soft-panel {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.82), rgba(255, 255, 255, 0.72)),
    linear-gradient(145deg, var(--rt-surface), var(--rt-surface-strong));
}

body[data-theme="light"] .rt-header,
body[data-theme="light"] .rt-footer {
  background: var(--rt-surface-glass);
}

body[data-theme="light"] .rt-nav-link:hover,
body[data-theme="light"] .rt-nav-link.is-active {
  background: rgba(168, 85, 247, 0.12);
}

body[data-theme="light"] .rt-user-pill,
body[data-theme="light"] .rt-pill,
body[data-theme="light"] .rt-chip,
body[data-theme="light"] input,
body[data-theme="light"] select,
body[data-theme="light"] textarea {
  background: rgba(255, 255, 255, 0.72);
}

body[data-theme="light"] .rt-btn-ghost,
body[data-theme="light"] .rt-btn,
body[data-theme="light"] .rt-button {
  background: rgba(255, 255, 255, 0.68);
}

/* Shared app chrome for Canvas-style legacy surfaces */
.rt-bg {
  min-height: 100vh;
}

.rt-noise::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.06;
  background-image:
    radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.5) 0 1px, transparent 1px),
    radial-gradient(circle at 80% 40%, rgba(255, 255, 255, 0.35) 0 1px, transparent 1px);
  background-size: 18px 18px, 24px 24px;
}

.rt-topbar {
  position: sticky;
  top: 0;
  z-index: 55;
  border-bottom: 1px solid var(--rt-border);
  background: var(--rt-surface-glass);
  backdrop-filter: blur(16px);
}

.rt-topbar-inner {
  width: min(1180px, calc(100% - 24px));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 0;
}

.rt-logo {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background:
    linear-gradient(135deg, rgba(168, 85, 247, 0.22), rgba(244, 63, 94, 0.18)),
    var(--rt-panel);
  border: 1px solid var(--rt-border2);
  background-position: center;
  background-size: cover;
  box-shadow: var(--rt-shadow2);
}

.rt-h,
.rt-h2,
.rt-h3 {
  margin: 0;
  font-family: var(--rt-font-display);
  letter-spacing: -0.02em;
  color: var(--rt-text);
}

.rt-h {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
}

.rt-h2 {
  font-size: clamp(1.2rem, 2vw, 1.55rem);
}

.rt-h3 {
  font-size: 1rem;
}

.rt-muted,
.rt-mini {
  color: var(--rt-text-faint);
}

.rt-row,
.rt-grid2,
.rt-grid3,
.rt-toolbar,
.rt-tabs,
.rt-socials {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.rt-grid2,
.rt-grid3 {
  display: grid;
}

.rt-grid2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.rt-grid3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.rt-tab,
.rt-toolbtn,
.rt-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 40px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid var(--rt-border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--rt-text-soft);
}

.rt-tab.active,
.rt-pill.active,
.rt-toolbtn:hover {
  border-color: rgba(168, 85, 247, 0.36);
  background: rgba(168, 85, 247, 0.12);
  color: var(--rt-text);
}

.rt-alert.success,
.rt-toast.ok {
  border-color: rgba(113, 215, 166, 0.36);
  background: rgba(113, 215, 166, 0.14);
}

.rt-alert.danger,
.rt-toast.err {
  border-color: rgba(255, 140, 152, 0.36);
  background: rgba(255, 140, 152, 0.14);
}

.rt-toast.warn {
  border-color: rgba(240, 184, 98, 0.36);
  background: rgba(240, 184, 98, 0.14);
}

.rt-stage,
.rt-preview-shell,
.rt-preview-frame,
.rt-public-wrap {
  border: 1px solid var(--rt-border);
  border-radius: var(--rt-radius-lg);
  background: var(--rt-panel);
  box-shadow: var(--rt-shadow2);
}

.rt-stage-inner,
.rt-preview-wrap {
  padding: 18px;
}

.rt-hidden {
  display: none !important;
}

.rt-rel {
  position: relative;
}

.rt-textarea {
  min-height: 144px;
}

@media (max-width: 900px) {
  .rt-grid2,
  .rt-grid3 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 1120px) {
  .rt-header-inner {
    grid-template-columns: 1fr;
  }

  .rt-nav {
    justify-content: flex-start;
  }

  .rt-shell-head,
  .rt-mast-grid,
  .rt-footer-inner {
    grid-template-columns: 1fr;
  }

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

  .rt-col-3,
  .rt-col-4,
  .rt-col-6 {
    grid-column: span 6;
  }
}

@media (max-width: 760px) {
  .rt-page,
  .rt-wrap,
  .rt-container {
    width: calc(100% - 20px);
  }

  .rt-grid,
  .rt-route-grid,
  .rt-stat-grid {
    grid-template-columns: 1fr;
  }

  .rt-col-3,
  .rt-col-4,
  .rt-col-6,
  .rt-col-8,
  .rt-col-12 {
    grid-column: auto;
  }

  .rt-shell-head,
  .rt-card-inner,
  .rt-card-body,
  .rt-card-header,
  .rt-form,
  .rt-status-stack {
    padding: 18px;
  }

  .rt-title,
  .rt-shell-title {
    font-size: clamp(2rem, 10vw, 3rem);
  }

  .rt-header-tools,
  .rt-card-actions,
  .rt-form-row,
  .rt-pills,
  .rt-footer-links,
  .rt-cluster,
  .rt-list-inline {
    gap: 10px;
  }

  .rt-user-pill {
    width: 100%;
    justify-content: flex-start;
  }
}