:root {
  --rb-bg: #F5F7FA;
  --rb-surface: #FFFFFF;
  --rb-surface-2: #EBEEF3;
  --rb-surface-muted: #EBEEF3;
  --rb-border: rgba(15, 20, 28, 0.085);
  --rb-border-strong: rgba(15, 20, 28, 0.22);
  --rb-text: #0F141C;
  --rb-text-sub: #5B6472;
  --rb-text-muted: #5B6472;
  --rb-accent: #DC2626;
  --rb-blue: #DC2626;
  --rb-green: #16A34A;
  --rb-danger: #EF4444;
  --rb-dark: #090D16;
  --rb-shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.05);
  --rb-shadow-md: 0 10px 28px rgba(15, 23, 42, 0.09);
  --rb-font: 'Plus Jakarta Sans Var', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --rb-font-display: 'Fraunces Var', ui-serif, Georgia, 'Times New Roman', serif;
  --rb-mono: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  --rg-bg: var(--rb-bg);
  --rg-surface: var(--rb-surface);
  --rg-surface-2: var(--rb-surface-2);
  --rg-surface-muted: var(--rb-surface-muted);
  --rg-border: var(--rb-border);
  --rg-border-strong: var(--rb-border-strong);
  --rg-text: var(--rb-text);
  --rg-text-sub: var(--rb-text-sub);
  --rg-text-muted: var(--rb-text-muted);
  --rg-blue: var(--rb-blue);
  --rg-green: var(--rb-green);
  --rg-danger: var(--rb-danger);
  --rg-dark: var(--rb-dark);
  --rg-shadow-sm: var(--rb-shadow-sm);
  --rg-shadow-md: var(--rb-shadow-md);
  --rg-font: var(--rb-font);
  --rg-mono: var(--rb-mono);
}

[data-theme="dark"] {
  --rb-bg: #0B0D11;
  --rb-surface: #13171F;
  --rb-surface-2: #1C222D;
  --rb-surface-muted: #1C222D;
  --rb-border: rgba(243, 245, 248, 0.09);
  --rb-border-strong: rgba(243, 245, 248, 0.28);
  --rb-text: #F3F5F8;
  --rb-text-sub: #8E98A8;
  --rb-text-muted: #8E98A8;
  --rb-accent: #EF4444;
  --rb-blue: #EF4444;
  --rb-dark: #F3F5F8;
  --rb-shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.35);
  --rb-shadow-md: 0 12px 32px rgba(0, 0, 0, 0.52);
}

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  background: var(--rb-bg);
  color: var(--rb-text);
  font-family: var(--rb-font);
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
}

button, input, textarea, select {
  font-family: inherit;
  color: inherit;
}

[hidden],
.rb-screen[hidden],
.rb-sheet[hidden],
.rb-floating-popover[hidden],
.rb-plus-sheet[hidden],
.rb-bot-action-sheet[hidden],
.rb-action-backdrop[hidden],
.rb-comp-kbd-bar[hidden],
.rb-top-search-bar[hidden],
.rb-thinking-bar[hidden],
.rb-attach-row[hidden],
.rb-toast[hidden],
.rb-hub-log[hidden],
.rb-footer-acc-dot[hidden],
:is(#_rb_a, [hidden]):is(#_rb_b, [hidden]):is(#_rb_c, [hidden])[hidden] {
  display: none;
}

.rb-app {
  position: relative;
  width: 100%;
  height: 100dvh;
  max-width: 540px;
  margin: 0 auto;
  background: var(--rb-bg);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  touch-action: pan-y;
}

.rb-screen:not([hidden]) {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  background: var(--rb-bg);
  overflow: hidden;
}

.rb-topbar,
.rb-page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 14px;
  background: var(--rb-surface);
  border-bottom: 1px solid var(--rb-border);
  min-height: 58px;
  flex-shrink: 0;
  z-index: 10;
}

.rb-profile-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px 6px;
  background: transparent;
  flex-shrink: 0;
  z-index: 10;
}

.rb-settings-topbar {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 10px;
  height: 60px;
  min-height: 60px;
  padding: 0 16px;
  background: var(--rb-bg);
  border-bottom: 1px solid var(--rb-border);
  flex-shrink: 0;
  z-index: 10;
}

.rb-back-sq-btn {
  width: 38px;
  height: 38px;
  min-width: 38px;
  min-height: 38px;
  padding: 0;
  border-radius: 11px;
  border: 1px solid var(--rb-border);
  background: var(--rb-surface);
  color: var(--rb-text);
  display: inline-grid;
  place-items: center;
  cursor: pointer;
  flex-shrink: 0;
  box-shadow: var(--rb-shadow-sm);
}

.rb-brand-title,
.rb-page-title {
  white-space: nowrap;
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--rb-text);
}

.rb-spacer {
  flex: 1;
}

.rb-topbar-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 8px;
}

.rb-sq-btn {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  border: 1px solid var(--rb-border);
  background: var(--rb-surface);
  color: var(--rb-text);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0;
  box-shadow: var(--rb-shadow-sm);
  transition: transform 0.12s ease, background 0.15s ease;
}

.rb-sq-btn:active {
  transform: scale(0.95);
}

.rb-plain-icon-btn {
  width: 34px;
  height: 34px;
  border: 0;
  background: transparent;
  color: var(--rb-text-muted);
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.rb-empty-hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 64px 24px;
  min-height: 68vh;
}

.rb-empty-hero h2 {
  margin: 18px 0 8px;
  font-size: 19px;
  font-weight: 700;
}

.rb-empty-hero p {
  margin: 0 0 22px;
  font-size: 14px;
  color: var(--rb-text-sub);
  max-width: 310px;
  line-height: 1.5;
}

.rb-primary-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
  border: 0;
  border-radius: 999px;
  background: var(--rb-dark);
  color: var(--rb-bg);
  font-size: 13.5px;
  font-weight: 600;
  padding: 10px 18px;
  cursor: pointer;
}

.rb-page-scroll {
  flex: 1;
  overflow-y: auto;
  padding: 10px 16px 28px;
}

.rb-pill-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
  border-radius: 999px;
  border: 1px solid var(--rb-border);
  background: var(--rb-surface);
  padding: 6px 14px;
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
}

.rb-toast {
  pointer-events: none;
  position: fixed;
  left: 50%;
  bottom: 84px;
  transform: translateX(-50%);
  background: #111827;
  color: #FFFFFF;
  font-size: 13px;
  font-weight: 600;
  padding: 9px 16px;
  border-radius: 999px;
  z-index: 200;
  box-shadow: var(--rb-shadow-md);
}

.rb-sheet-screen {
  background: var(--rb-bg);
}

.rb-action-sheet-emblem,
.rb-comp-glyph,
.rb-thinking-avatar,
.rb-empty-glyph,
.rb-create-emblem-preview {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.rb-slot-38 { width: 38px; display: inline-block; }
.rb-slot-34 { width: 34px; display: inline-block; }
.rb-slot-40 { width: 40px; display: inline-block; }
.rb-header-ghost { border-bottom: 0; background: transparent; }
.rb-group-close-btn { color: var(--rb-text); font-size: 18px; }
.rb-flex-gap-8 { display: flex; align-items: center; gap: 8px; }
.rb-flex-gap-10 { display: flex; align-items: center; gap: 10px; }
.rb-back-chevron-lg { font-size: 22px; }
.rb-act-row-btn { width: 100%; border-left: 0; border-right: 0; border-top: 0; cursor: pointer; text-align: left; }
.rb-act-row-btn-last { width: 100%; border: 0; cursor: pointer; text-align: left; }
.rb-text-danger { color: var(--rb-danger); }

.rb-top-search-bar {
  padding: 8px 14px 10px;
  background: var(--rb-surface);
  border-bottom: 1px solid var(--rb-border);
}

.rb-top-search-inner {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 12px;
  height: 40px;
  border-radius: 999px;
  background: var(--rb-bg);
  border: 1px solid var(--rb-border);
}

.rb-top-search-inner input {
  flex: 1;
  border: 0;
  outline: none;
  background: transparent;
  font-size: 14px;
}

.rb-top-search-close {
  border: 0;
  background: transparent;
  color: var(--rb-text-muted);
  cursor: pointer;
  font-size: 14px;
}

.rb-sidebar-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(11, 25, 44, 0.44);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  z-index: 90;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.28s cubic-bezier(0.22, 1, 0.36, 1), visibility 0.28s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: opacity;
}

.rb-sidebar-backdrop.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.rb-sidebar {
  touch-action: pan-y;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: 100%;
  max-width: 540px;
  background: var(--rb-bg);
  z-index: 100;
  display: flex;
  flex-direction: column;
  padding: 18px 18px 20px;
  transform: translate3d(-100%, 0, 0);
  visibility: hidden;
  pointer-events: none;
  transition: transform 0.28s cubic-bezier(0.22, 1, 0.36, 1), visibility 0.28s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: transform;
}

.rb-sidebar.is-open {
  transform: translate3d(0, 0, 0);
  visibility: visible;
  pointer-events: auto;
}

.rb-sidebar.is-dragging,
.rb-sidebar-backdrop.is-dragging {
  transition: none;
  visibility: visible;
}

.rb-side-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 2px 6px 18px;
  flex-shrink: 0;
}

.rb-side-title {
  font-family: var(--rb-font-display);
  font-variation-settings: 'opsz' 28;
  font-size: 20px;
  font-weight: 650;
  color: var(--rb-text);
  letter-spacing: 0.1px;
}

.rb-side-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}

.rb-side-link {
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 11px 10px;
  border: 0;
  border-radius: 11px;
  background: transparent;
  color: var(--rb-text);
  font-size: 15.5px;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  transition: background 0.14s ease;
}

.rb-side-link:hover,
.rb-side-link:active {
  background: rgba(15, 23, 42, 0.05);
}

.rb-side-icon-box {
  width: 24px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--rb-text);
  flex-shrink: 0;
}

.rb-side-link-text {
  flex: 1;
  min-width: 0;
}

.rb-sidebar-footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 6px max(6px, env(safe-area-inset-bottom));
  border-top: 1px solid var(--rb-border);
  flex-shrink: 0;
}

.rb-footer-avatar-btn {
  position: relative;
  width: 34px;
  height: 34px;
  min-width: 34px;
  min-height: 34px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: var(--rb-text);
  color: var(--rb-bg);
  font-size: 13.5px;
  font-weight: 700;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  cursor: pointer;
}

.rb-footer-icon-btn {
  position: relative;
  width: 34px;
  height: 34px;
  min-width: 34px;
  min-height: 34px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--rb-text);
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  cursor: pointer;
}

.rb-side-avatar-initial {
  width: 34px;
  height: 34px;
  min-width: 34px;
  min-height: 34px;
  border-radius: 50%;
  background: var(--rb-text);
  color: var(--rb-bg);
  display: grid;
  place-items: center;
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1;
}

.rb-footer-acc-dot {
  position: absolute;
  right: 5px;
  bottom: 5px;
  width: 9px;
  height: 9px;
  border-radius: 999px;
  background: var(--rb-green);
  border: 2px solid var(--rb-bg);
}

.rb-home-body {
  flex: 1;
  overflow-y: auto;
  padding: 10px 14px 28px;
}

.rb-action-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.4);
  z-index: 110;
}

.rb-bot-action-sheet {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  max-width: 540px;
  margin: 0 auto;
  background: var(--rb-surface);
  border-radius: 20px 20px 0 0;
  padding: 16px;
  z-index: 120;
  box-shadow: var(--rb-shadow-md);
}

.rb-action-sheet-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.rb-action-sheet-meta {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.rb-plus-sheet:not([hidden]) {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  max-width: 540px;
  margin: 0 auto;
  background: var(--rb-surface);
  border-radius: 24px 24px 0 0;
  padding: 10px 18px 24px;
  z-index: 125;
  box-shadow: var(--rb-shadow-md);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.rb-plus-sheet-handle {
  width: 38px;
  height: 4px;
  border-radius: 999px;
  background: var(--rb-border-strong);
  margin: 0 auto 10px;
}

.rb-plus-sheet-item {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 13px 10px;
  border: 0;
  border-radius: 12px;
  background: transparent;
  font-size: 16px;
  font-weight: 600;
  color: var(--rb-text);
  cursor: pointer;
  text-align: left;
}

.rb-plus-sheet-item:hover,
.rb-plus-sheet-item:active {
  background: var(--rb-surface-muted);
}

.rb-plus-sheet-icon {
  font-size: 22px;
  font-weight: 500;
  line-height: 1;
  width: 24px;
  text-align: center;
}

.rb-bot-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 2px 0;
}

.rb-bot-row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 14px;
  border-radius: 18px;
  background: var(--rb-surface);
  border: 1px solid var(--rb-border);
  box-shadow: var(--rb-shadow-sm);
  cursor: pointer;
  transition: background-color 0.14s ease;
}

.rb-bot-row:active {
  background: var(--rb-surface-muted);
}

.rb-bot-avatar {
  width: 46px;
  height: 46px;
  flex: 0 0 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.rb-bot-meta {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.rb-bot-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}

.rb-bot-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--rb-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.rb-bot-time {
  font-size: 12.5px;
  font-weight: 500;
  color: var(--rb-text-muted);
  flex-shrink: 0;
}

.rb-bot-preview {
  font-size: 14px;
  color: var(--rb-text-sub);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.35;
}


@media (min-width: 860px) {
  .rb-app {
    max-width: 1120px;
    padding: 0 24px;
  }
  .rb-home-grid,
  .rb-connectors-list,
  .rb-library-grid,
  .rb-routines-list,
  .rb-vault-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 14px;
  }
}