:root {
  color-scheme: light;
  font: 100%/1.5 -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", "PingFang SC", "Helvetica Neue", Arial, sans-serif;

  --bg-0: #f5f5f7;
  --bg-1: #fbfbfd;
  --bg-2: #ffffff;
  --bg-3: #f2f2f7;
  --bg-raised: #ffffff;
  --material: rgba(249, 249, 251, 0.78);
  --material-heavy: rgba(242, 242, 247, 0.88);
  --material-light: rgba(255, 255, 255, 0.76);

  --line: rgba(60, 60, 67, 0.12);
  --line-2: rgba(60, 60, 67, 0.18);
  --line-3: rgba(60, 60, 67, 0.28);
  --text: #1d1d1f;
  --text-soft: #3a3a3c;
  --muted: #636366;
  --muted-2: #6e6e73;

  --accent: #007aff;
  --accent-bright: #0a84ff;
  --accent-soft: #0066cc;
  --accent-filled: #0066cc;
  --accent-dim: rgba(0, 122, 255, 0.10);
  --accent-glow: rgba(0, 122, 255, 0.20);
  --violet: #7c5ce7;
  --blue: #007aff;
  --cyan: #009ca6;
  --amber: #c77900;
  --success: #248a3d;
  --warning: #b05a00;
  --danger: #d70015;
  --danger-filled: #d70015;

  --shadow-lg: 0 24px 70px rgba(0, 0, 0, 0.14), 0 2px 12px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 12px 34px rgba(0, 0, 0, 0.10), 0 1px 5px rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 6px 20px rgba(0, 0, 0, 0.08), 0 1px 3px rgba(0, 0, 0, 0.04);
  --focus-ring: 0 0 0 4px rgba(0, 122, 255, 0.18);
  --ease: cubic-bezier(0.25, 0.1, 0.25, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  --mono: "SFMono-Regular", ui-monospace, Menlo, Monaco, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --bg-0: #0d0e10;
    --bg-1: #111214;
    --bg-2: #1c1c1e;
    --bg-3: #252528;
    --bg-raised: #2c2c2e;
    --material: rgba(28, 28, 30, 0.76);
    --material-heavy: rgba(34, 34, 36, 0.90);
    --material-light: rgba(44, 44, 46, 0.74);
    --line: rgba(255, 255, 255, 0.10);
    --line-2: rgba(255, 255, 255, 0.16);
    --line-3: rgba(255, 255, 255, 0.25);
    --text: #f5f5f7;
    --text-soft: #e5e5ea;
    --muted: #aeaeb2;
    --muted-2: #98989d;
    --accent: #0a84ff;
    --accent-bright: #409cff;
    --accent-soft: #64a8ff;
    --accent-filled: #005bbb;
    --accent-dim: rgba(10, 132, 255, 0.16);
    --accent-glow: rgba(10, 132, 255, 0.25);
    --violet: #bf9bff;
    --blue: #64a8ff;
    --cyan: #5ac8d8;
    --amber: #ffb340;
    --success: #30d158;
    --warning: #ff9f0a;
    --danger: #ff453a;
    --danger-filled: #b42318;
    --shadow-lg: 0 28px 80px rgba(0, 0, 0, 0.50), 0 1px 0 rgba(255, 255, 255, 0.04) inset;
    --shadow-md: 0 14px 40px rgba(0, 0, 0, 0.32);
    --shadow-sm: 0 8px 24px rgba(0, 0, 0, 0.24);
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { width: 100%; min-height: 100%; }
html { background: var(--bg-0); }
body {
  margin: 0;
  overflow: hidden;
  color: var(--text);
  background:
    radial-gradient(circle at 82% -10%, rgba(0, 122, 255, 0.10), transparent 32rem),
    radial-gradient(circle at -8% 92%, rgba(124, 92, 231, 0.08), transparent 30rem),
    var(--bg-0);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

button, input, textarea, select { font: inherit; }
button, summary { -webkit-tap-highlight-color: transparent; }
button { color: inherit; }
a { color: var(--accent-soft); }
::selection { color: var(--text); background: rgba(0, 122, 255, 0.22); }

:where(button, input, textarea, select, summary, a, [tabindex]):focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  box-shadow: var(--focus-ring);
}

:where(button, .history-item-main, summary):not(:disabled):active {
  transform: scale(0.97);
  transition-duration: 90ms;
}

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

/* Login */
.gate {
  position: relative;
  min-height: 100dvh;
  padding: max(24px, env(safe-area-inset-top)) max(20px, env(safe-area-inset-right)) max(24px, env(safe-area-inset-bottom)) max(20px, env(safe-area-inset-left));
  display: grid;
  place-items: center;
  overflow: hidden;
}
.gate::before,
.gate::after {
  content: "";
  position: fixed;
  width: 34rem;
  height: 34rem;
  border-radius: 50%;
  filter: blur(50px);
  pointer-events: none;
  opacity: .34;
}
.gate::before { top: -18rem; right: -8rem; background: rgba(0, 122, 255, .30); }
.gate::after { bottom: -21rem; left: -10rem; background: rgba(124, 92, 231, .22); }

.gate-panel {
  position: relative;
  z-index: 1;
  width: min(420px, 100%);
  padding: 36px;
  border: 1px solid var(--line-2);
  border-radius: 28px;
  background: var(--material-light);
  -webkit-backdrop-filter: blur(30px) saturate(180%);
  backdrop-filter: blur(30px) saturate(180%);
  box-shadow: var(--shadow-lg);
  animation: material-in 420ms var(--ease-out) both;
}
.panel-head { display: flex; align-items: center; gap: 16px; }
.panel-mark,
.sidebar-mark {
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  color: #fff;
  background: var(--accent-filled);
  box-shadow: 0 8px 24px rgba(0, 122, 255, .24), inset 0 1px rgba(255,255,255,.42);
  font-weight: 700;
  letter-spacing: -.03em;
}
.panel-mark { width: 56px; height: 56px; border-radius: 16px; font-size: 22px; }
.panel-eyebrow,
.topbar-eyebrow,
.modal-eyebrow {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .01em;
}
.panel-head h1 { margin: 2px 0 0; font-size: 24px; line-height: 1.15; letter-spacing: -.025em; }
.panel-description {
  margin: 24px 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.65;
}
.panel-field { margin-bottom: 18px; }
.field-key { display: block; margin: 0 0 8px 2px; color: var(--text-soft); font-size: 13px; font-weight: 600; }
.field-input {
  height: 50px;
  padding: 0 14px;
  display: flex;
  align-items: center;
  gap: 12px;
  border: 1px solid var(--line-2);
  border-radius: 13px;
  background: color-mix(in srgb, var(--bg-2) 82%, transparent);
  transition: border-color 180ms var(--ease), box-shadow 180ms var(--ease), background 180ms var(--ease);
}
.field-input:focus-within { border-color: var(--accent); background: var(--bg-2); box-shadow: var(--focus-ring); }
.field-glyph { color: var(--muted-2); font-size: 10px; letter-spacing: 2px; }
.field-input input { min-width: 0; flex: 1; border: 0; outline: 0; color: var(--text); background: transparent; font-size: 16px; }
.field-input input:focus-visible, .composer textarea:focus-visible { outline: 0; box-shadow: none; }
.field-input input::placeholder { color: var(--muted-2); }
.panel-button,
.modal-submit {
  min-height: 48px;
  border: 0;
  border-radius: 13px;
  color: white;
  background: var(--accent-filled);
  box-shadow: 0 8px 20px rgba(0, 122, 255, .20);
  cursor: pointer;
  font-weight: 650;
  transition: transform 120ms var(--ease), filter 160ms var(--ease), box-shadow 160ms var(--ease);
}
.panel-button { width: 100%; padding: 0 18px; display: flex; align-items: center; justify-content: space-between; }
.panel-button:disabled, .modal-submit:disabled { opacity: .48; cursor: wait; transform: none; }
.panel-button-arrow { transition: transform 180ms var(--ease); }
.panel-error,
.modal-error {
  margin: 14px 0 0;
  padding: 11px 13px;
  border-radius: 11px;
  color: var(--danger);
  background: color-mix(in srgb, var(--danger) 9%, transparent);
  font-size: 13px;
  line-height: 1.5;
}
.panel-error { display: flex; align-items: center; gap: 8px; animation: shake 300ms var(--ease); }
.error-dot { width: 7px; height: 7px; flex: 0 0 auto; border-radius: 50%; background: var(--danger); }
.panel-foot {
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted-2);
  font-size: 12px;
}
.foot-dot, .status-pulse { border-radius: 50%; background: var(--success); }
.foot-dot { width: 7px; height: 7px; }

/* App shell */
.app {
  width: 100%;
  height: 100dvh;
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  overflow: hidden;
}
.sidebar {
  min-height: 0;
  padding: max(20px, env(safe-area-inset-top)) 14px max(16px, env(safe-area-inset-bottom));
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--line);
  background: var(--material-heavy);
  -webkit-backdrop-filter: blur(28px) saturate(160%);
  backdrop-filter: blur(28px) saturate(160%);
}
.sidebar-head { padding: 0 8px 18px; display: flex; align-items: center; gap: 12px; }
.sidebar-mark { width: 38px; height: 38px; border-radius: 11px; font-size: 15px; }
.sidebar-title { min-width: 0; display: grid; gap: 1px; }
.sidebar-title strong { font-size: 15px; line-height: 1.3; letter-spacing: -.01em; }
.sidebar-title span { color: var(--muted); font-size: 12px; }
.sidebar-block { margin-top: 14px; }
.block-label { margin: 0 10px 7px; color: var(--muted); font-size: 12px; font-weight: 600; }
.sidebar-tabs {
  padding: 3px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  border-radius: 12px;
  background: rgba(118, 118, 128, .12);
}
.sidebar-tab {
  min-height: 44px;
  border: 0;
  border-radius: 9px;
  color: var(--muted);
  background: transparent;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  transition: color 160ms var(--ease), background 160ms var(--ease), box-shadow 160ms var(--ease), transform 90ms var(--ease);
}
.sidebar-tab.active { color: var(--text); background: var(--bg-2); box-shadow: 0 1px 5px rgba(0,0,0,.10); }
.tab-panel {
  min-height: 0;
  flex: 1;
  margin-top: 12px;
  margin-bottom: 10px;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-width: thin;
  scrollbar-color: var(--line-3) transparent;
}
.tab-empty { margin: 0; padding: 24px 10px; color: var(--muted); text-align: center; font-size: 13px; }
.history-list, .scheduled-list { display: grid; gap: 4px; }
.history-item {
  position: relative;
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 44px;
  align-items: center;
  border-radius: 12px;
  transition: background 160ms var(--ease);
}
.history-item-main {
  min-width: 0;
  min-height: 52px;
  padding: 9px 10px;
  border: 0;
  border-radius: 12px;
  color: inherit;
  background: transparent;
  cursor: pointer;
  text-align: left;
}
.history-item.active { background: var(--accent-dim); }
.history-item.active .history-item-title { color: var(--accent-soft); }
.history-item-title { color: var(--text-soft); font-size: 13px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.history-item-meta { margin-top: 2px; color: var(--muted); font-size: 11px; }
.history-item-del {
  width: 44px;
  height: 44px;
  padding: 0;
  border: 0;
  border-radius: 10px;
  color: var(--muted);
  background: transparent;
  cursor: pointer;
  opacity: 0;
  transition: opacity 140ms var(--ease), color 140ms var(--ease), background 140ms var(--ease), transform 90ms var(--ease);
}
.history-item:focus-within .history-item-del { opacity: 1; }
.scheduled-item {
  padding: 12px;
  border-radius: 13px;
  background: color-mix(in srgb, var(--bg-2) 72%, transparent);
}
.scheduled-item.disabled { opacity: .58; }
.scheduled-item-name { color: var(--text-soft); font-size: 13px; font-weight: 650; }
.scheduled-item-meta, .scheduled-item-result { margin-top: 4px; color: var(--muted); font-size: 11px; line-height: 1.45; }
.scheduled-item-result { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.scheduled-item-actions { margin-top: 9px; display: flex; flex-wrap: wrap; gap: 6px; }
.scheduled-item-actions button {
  min-height: 34px;
  padding: 0 10px;
  border: 0;
  border-radius: 9px;
  color: var(--accent-soft);
  background: var(--accent-dim);
  cursor: pointer;
  font-size: 11px;
  font-weight: 650;
}
.scheduled-item-actions button.danger { color: var(--danger); background: color-mix(in srgb, var(--danger) 9%, transparent); }
.sidebar-action-btn {
  width: 100%;
  min-height: 44px;
  margin-top: 8px;
  border: 0;
  border-radius: 12px;
  color: var(--accent-soft);
  background: var(--accent-dim);
  cursor: pointer;
  font-size: 13px;
  font-weight: 650;
}
.capabilities { min-height: 0; margin-top: 8px; }
.capabilities .block-label { display: flex; justify-content: space-between; }
.capabilities .block-label span:last-child { color: var(--muted); font-weight: 500; text-transform: none; letter-spacing: 0; }
.module-list { max-height: min(30vh, 280px); margin: 0; padding: 0 3px 0 0; display: grid; grid-template-columns: 1fr 1fr; gap: 4px; overflow-y: auto; list-style: none; scrollbar-width: thin; }
.module-list li { min-width: 0; }
.module-item { width: 100%; min-width: 0; padding: 8px; border: 0; display: flex; align-items: center; gap: 8px; border-radius: 11px; color: inherit; background: transparent; text-align: left; cursor: pointer; }
.module-item:hover { background: var(--surface-hover); }
.module-item:active { transform: scale(.97); }
.mod-glyph {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  border-radius: 8px;
  font-size: 10px;
  font-weight: 700;
}
.m-violet { color: var(--violet); background: color-mix(in srgb, var(--violet) 12%, transparent); }
.m-blue { color: var(--blue); background: color-mix(in srgb, var(--blue) 12%, transparent); }
.m-cyan { color: var(--cyan); background: color-mix(in srgb, var(--cyan) 12%, transparent); }
.m-amber { color: var(--amber); background: color-mix(in srgb, var(--amber) 12%, transparent); }
.module-list p { margin: 0; color: var(--text-soft); font-size: 11px; font-weight: 600; white-space: nowrap; }
.module-list small { display: block; margin-top: 2px; color: var(--muted); font-size: 9px; white-space: nowrap; }
.sidebar-status { margin-top: auto; padding-top: 12px; }
.status-row {
  padding: 12px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  border-radius: 13px;
  color: var(--success);
  background: color-mix(in srgb, var(--success) 8%, transparent);
}
.status-pulse { width: 8px; height: 8px; margin-top: 4px; flex: 0 0 auto; }
.status-row strong { display: block; color: var(--text-soft); font-size: 12px; font-weight: 650; }
.status-row p { margin: 3px 0 0; color: var(--muted); font-size: 11px; line-height: 1.45; }

.workspace { position: relative; min-width: 0; min-height: 0; display: flex; flex-direction: column; background: color-mix(in srgb, var(--bg-1) 86%, transparent); }
.topbar {
  min-height: 64px;
  padding: max(8px, env(safe-area-inset-top)) max(18px, env(safe-area-inset-right)) 8px max(18px, env(safe-area-inset-left));
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--line);
  background: var(--material);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  backdrop-filter: blur(24px) saturate(180%);
  z-index: 20;
}
.topbar-title { min-width: 0; flex: 1; display: flex; align-items: center; }
.topbar-title h1 { margin: 1px 0 0; font-size: 17px; line-height: 1.2; font-weight: 650; letter-spacing: -.02em; }
.topbar-actions { display: flex; align-items: center; gap: 8px; }
.topbar-status {
  min-height: 36px;
  padding: 0 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-radius: 999px;
  color: var(--muted);
  background: rgba(118, 118, 128, .10);
  font-size: 12px;
  font-weight: 600;
}
.topbar-status .status-pulse { margin: 0; width: 7px; height: 7px; }
.topbar-button, .menu-button {
  min-width: 44px;
  min-height: 44px;
  border: 0;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  color: var(--accent-soft);
  background: transparent;
  cursor: pointer;
  font-size: 13px;
  font-weight: 650;
  transition: color 150ms var(--ease), background 150ms var(--ease), transform 90ms var(--ease);
}
.topbar-button { padding: 0 12px; }
.topbar-button.icon-only { width: 44px; padding: 0; color: var(--muted); font-size: 18px; }
.menu-button { display: none; padding: 0; font-size: 18px; }

/* Conversation */
.messages {
  min-height: 0;
  flex: 1;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 36px max(24px, calc((100% - 820px) / 2)) 44px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  scrollbar-width: thin;
  scrollbar-color: var(--line-3) transparent;
}
.messages::-webkit-scrollbar, .tab-panel::-webkit-scrollbar { width: 8px; }
.messages::-webkit-scrollbar-thumb, .tab-panel::-webkit-scrollbar-thumb { border: 2px solid transparent; border-radius: 999px; background-clip: padding-box; background-color: var(--line-3); }
.session-loading {
  margin: auto;
  padding: 12px 16px;
  border-radius: 999px;
  color: var(--muted);
  background: rgba(118, 118, 128, .10);
  font-size: 13px;
}
.welcome { width: min(760px, 100%); margin: auto; padding: 36px 0 28px; text-align: center; }
.welcome-head { margin-bottom: 30px; }
.welcome-glyph {
  width: 58px;
  height: 58px;
  margin: 0 auto 18px;
  display: grid;
  place-items: center;
  border-radius: 18px;
  color: #fff;
  background: var(--accent-filled);
  box-shadow: 0 14px 34px rgba(0, 122, 255, .20), inset 0 1px rgba(255,255,255,.42);
  font-size: 23px;
  animation: material-in 380ms var(--ease-out) both;
}
.welcome-eyebrow { margin: 0 0 8px; color: var(--accent-soft); font-size: 13px; font-weight: 650; }
.welcome-title { margin: 0; font-size: clamp(30px, 4vw, 42px); line-height: 1.08; font-weight: 720; letter-spacing: -.035em; }
.welcome-sub { max-width: 520px; margin: 13px auto 0; color: var(--muted); font-size: 15px; line-height: 1.65; }
.quick-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; text-align: left; }
.quick-action {
  min-width: 0;
  min-height: 92px;
  padding: 15px;
  border: 1px solid var(--line);
  border-radius: 17px;
  display: flex;
  align-items: center;
  gap: 13px;
  color: inherit;
  background: color-mix(in srgb, var(--bg-2) 84%, transparent);
  cursor: pointer;
  box-shadow: 0 1px 0 rgba(255,255,255,.30) inset;
  transition: transform 100ms var(--ease), border-color 180ms var(--ease), background 180ms var(--ease), box-shadow 180ms var(--ease);
  animation: rise 360ms var(--ease-out) both;
}
.quick-action:nth-child(2) { animation-delay: 35ms; }
.quick-action:nth-child(3) { animation-delay: 70ms; }
.quick-action:nth-child(4) { animation-delay: 105ms; }
.quick-glyph { width: 40px; height: 40px; display: grid; place-items: center; flex: 0 0 auto; border: 0; border-radius: 12px; font-size: 14px; }
.quick-body { min-width: 0; }
.quick-body strong { display: block; color: var(--text-soft); font-size: 14px; font-weight: 650; }
.quick-body small { display: block; margin-top: 4px; color: var(--muted); font-size: 12px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.quick-arrow { margin-left: auto; color: var(--muted-2); transition: transform 180ms var(--ease), color 180ms var(--ease); }

.workflow-card {
  align-self: flex-start;
  width: min(680px, calc(100% - 38px));
  margin-left: 38px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: color-mix(in srgb, var(--bg-2) 88%, transparent);
  box-shadow: 0 2px 8px rgba(0, 0, 0, .04);
  animation: rise 220ms var(--ease-out) both;
}
.workflow-header {
  min-height: 58px;
  padding: 11px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid var(--line);
  background: var(--accent-dim);
}
.workflow-heading { min-width: 0; display: flex; align-items: center; gap: 10px; }
.workflow-heading strong { display: block; color: var(--text); font-size: 13px; font-weight: 680; }
.workflow-heading small { display: block; margin-top: 1px; color: var(--muted); font-size: 11px; }
.workflow-symbol { width: 32px; height: 32px; display: grid; place-items: center; flex: 0 0 auto; border-radius: 10px; color: var(--accent-soft); background: color-mix(in srgb, var(--accent) 12%, var(--bg-2)); font-size: 14px; }
.workflow-status { padding: 5px 9px; border-radius: 999px; color: var(--accent-soft); background: var(--bg-2); font-size: 11px; font-weight: 650; white-space: nowrap; }
.workflow-status.completed { color: var(--success); }
.workflow-status.waiting { color: var(--warning); }
.workflow-status.failed { color: var(--danger); }
.workflow-steps { padding: 9px 14px 11px; display: grid; }
.workflow-step { position: relative; min-height: 42px; padding: 7px 0; display: grid; grid-template-columns: 24px minmax(0, 1fr) auto; align-items: start; gap: 9px; }
.workflow-step:not(:last-child)::after { content: ""; position: absolute; left: 11px; top: 31px; bottom: -8px; width: 1px; background: var(--line-2); }
.workflow-marker { position: relative; z-index: 1; width: 24px; height: 24px; display: grid; place-items: center; border-radius: 50%; color: var(--muted); background: var(--bg-3); font-size: 10px; font-weight: 750; letter-spacing: -2px; }
.workflow-step.active .workflow-marker { color: var(--accent-soft); background: var(--accent-dim); animation: workflow-pulse 1.1s ease-in-out infinite; }
.workflow-step.completed .workflow-marker { color: #fff; background: var(--success); letter-spacing: 0; }
.workflow-step.waiting .workflow-marker { color: #fff; background: var(--warning); letter-spacing: 0; }
.workflow-step.failed .workflow-marker { color: #fff; background: var(--danger); letter-spacing: 0; }
.workflow-step.continued .workflow-marker { color: var(--accent-soft); background: var(--accent-dim); letter-spacing: 0; }
.workflow-step-body { min-width: 0; padding-top: 2px; }
.workflow-step-body strong { display: block; overflow: hidden; color: var(--text-soft); font-size: 13px; font-weight: 620; text-overflow: ellipsis; white-space: nowrap; }
.workflow-step-body small { display: block; margin-top: 2px; color: var(--muted); font-size: 11px; line-height: 1.45; }
.workflow-step.waiting .workflow-step-body strong, .workflow-step.dangerous .workflow-step-body strong { color: var(--warning); }
.workflow-step.failed .workflow-step-body strong { color: var(--danger); }
.workflow-segment { padding-top: 4px; color: var(--muted-2); font-size: 10px; white-space: nowrap; }
@keyframes workflow-pulse { 0%, 100% { opacity: .55; transform: scale(.92); } 50% { opacity: 1; transform: scale(1); } }

.bubble {
  position: relative;
  max-width: min(80%, 720px);
  padding: 13px 16px;
  border-radius: 18px;
  color: var(--text-soft);
  font-size: 15px;
  line-height: 1.66;
  white-space: pre-wrap;
  word-break: break-word;
  animation: rise 240ms var(--ease-out) both;
}
.bubble.user {
  align-self: flex-end;
  color: #fff;
  border-bottom-right-radius: 6px;
  background: var(--accent-filled);
  box-shadow: 0 6px 16px rgba(0, 122, 255, .16);
}
.bubble.assistant {
  align-self: flex-start;
  margin-left: 38px;
  border: 1px solid var(--line);
  border-bottom-left-radius: 6px;
  background: var(--bg-2);
  box-shadow: 0 1px 2px rgba(0,0,0,.03);
}
.bubble.assistant::before {
  content: "✦";
  position: absolute;
  left: -38px;
  top: 1px;
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border-radius: 9px;
  color: #fff;
  background: var(--accent-filled);
  font-size: 12px;
}
.bubble.streaming:empty { min-width: 66px; min-height: 44px; }
.bubble.streaming:empty::after {
  content: "";
  display: inline-block;
  width: 30px;
  height: 8px;
  background:
    radial-gradient(circle closest-side, var(--muted) 92%, transparent) 0 50% / 7px 7px no-repeat,
    radial-gradient(circle closest-side, var(--muted) 92%, transparent) 12px 50% / 7px 7px no-repeat,
    radial-gradient(circle closest-side, var(--muted) 92%, transparent) 24px 50% / 7px 7px no-repeat;
  animation: typing 1s ease-in-out infinite;
}

.markdown { white-space: normal; }
.markdown > :first-child { margin-top: 0; }
.markdown > :last-child { margin-bottom: 0; }
.markdown h1, .markdown h2, .markdown h3 { margin: 1.05em 0 .45em; color: var(--text); line-height: 1.25; letter-spacing: -.02em; }
.markdown h1 { font-size: 21px; } .markdown h2 { font-size: 18px; } .markdown h3 { font-size: 16px; }
.markdown p, .markdown ul, .markdown ol, .markdown blockquote { margin: .7em 0; }
.markdown ul, .markdown ol { padding-left: 1.5em; }
.markdown li + li { margin-top: .25em; }
.markdown pre {
  position: relative;
  overflow-x: auto;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 13px;
  color: var(--text-soft);
  background: var(--bg-3);
}
.copy-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  min-width: 44px;
  min-height: 44px;
  padding: 0 10px;
  border: 0;
  border-radius: 9px;
  color: var(--muted);
  background: var(--material-heavy);
  cursor: pointer;
  font-size: 11px;
  font-weight: 650;
  opacity: .72;
}
.copy-btn.copied { color: var(--success); }
.markdown code { font-family: var(--mono); font-size: .91em; }
.markdown :not(pre) > code { padding: .15em .4em; border-radius: 6px; color: var(--accent-soft); background: var(--accent-dim); }
.markdown blockquote { margin-left: 0; padding: 3px 0 3px 14px; border-left: 3px solid var(--accent); color: var(--muted); }
.markdown table { width: 100%; display: block; overflow-x: auto; border-collapse: collapse; }
.markdown th, .markdown td { padding: 9px 11px; border: 1px solid var(--line); text-align: left; font-size: 13px; }
.markdown th { color: var(--text); background: var(--bg-3); font-weight: 650; }

/* Human confirmation card */
.action-card {
  align-self: flex-start;
  width: min(680px, calc(100% - 38px));
  margin-left: 38px;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--warning) 35%, var(--line));
  border-radius: 20px;
  background: var(--bg-2);
  box-shadow: var(--shadow-md);
  animation: material-in 300ms var(--ease-out) both;
}
.action-card-header {
  padding: 16px 18px;
  display: flex;
  align-items: center;
  gap: 11px;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--warning) 8%, var(--bg-2));
}
.action-card-icon { width: 34px; height: 34px; display: grid; place-items: center; flex: 0 0 auto; border-radius: 11px; color: var(--warning); background: color-mix(in srgb, var(--warning) 13%, transparent); font-size: 15px; }
.action-card-title { min-width: 0; color: var(--text); font-size: 14px; font-weight: 680; }
.action-badge { margin-left: auto; padding: 5px 9px; border-radius: 999px; color: var(--warning); background: color-mix(in srgb, var(--warning) 11%, transparent); font-size: 11px; font-weight: 650; white-space: nowrap; }
.action-badge.expired { color: var(--muted); background: var(--bg-3); }
.action-card-body { padding: 18px; }
.action-card-summary { margin: 0 0 14px; color: var(--text-soft); font-size: 15px; line-height: 1.6; }
.action-card-details { margin-bottom: 14px; overflow: hidden; border: 1px solid var(--line); border-radius: 13px; background: var(--bg-3); }
.action-card-details summary { min-height: 44px; padding: 0 14px; display: flex; align-items: center; gap: 8px; color: var(--muted); cursor: pointer; font-size: 12px; font-weight: 650; list-style: none; user-select: none; }
.action-card-details summary::-webkit-details-marker { display: none; }
.action-card-details summary::before { content: "›"; color: var(--muted); font-size: 18px; transition: transform 180ms var(--ease); }
.action-card-details[open] summary::before { transform: rotate(90deg); }
.action-card-params { max-height: 260px; margin: 0; padding: 2px 14px 14px; overflow: auto; color: var(--text-soft); font: 12px/1.6 var(--mono); white-space: pre-wrap; word-break: break-word; }
.action-warning { margin: 0 0 14px; padding: 12px 13px; display: flex; align-items: flex-start; gap: 9px; border-radius: 12px; color: var(--warning); background: color-mix(in srgb, var(--warning) 8%, transparent); font-size: 12px; line-height: 1.55; }
.operator-field { margin-bottom: 14px; }
.operator-label { display: block; margin: 0 0 7px 2px; color: var(--text-soft); font-size: 12px; font-weight: 650; }
.operator-input {
  width: 100%;
  min-height: 44px;
  padding: 0 13px;
  border: 1px solid var(--line-2);
  border-radius: 11px;
  color: var(--text);
  background: var(--bg-1);
  font-size: 15px;
  transition: border-color 160ms var(--ease), box-shadow 160ms var(--ease);
}
.operator-input::placeholder { color: var(--muted-2); }
.operator-input:focus { outline: 0; border-color: var(--accent); box-shadow: var(--focus-ring); }
.operator-field.invalid .operator-input { border-color: var(--danger); box-shadow: 0 0 0 4px color-mix(in srgb, var(--danger) 12%, transparent); animation: shake 260ms var(--ease); }
.operator-error { margin: 7px 2px 0; color: var(--danger); font-size: 12px; }
.operator-field.disabled { opacity: .48; pointer-events: none; }
.action-card-buttons { display: flex; justify-content: flex-end; gap: 9px; }
.action-card button { min-width: 112px; min-height: 44px; padding: 0 16px; border: 0; border-radius: 12px; cursor: pointer; font-size: 13px; font-weight: 680; transition: transform 90ms var(--ease), background 160ms var(--ease), opacity 160ms var(--ease); }
.action-card button.confirm { color: #fff; background: var(--danger-filled); }
.action-card button.cancel { color: var(--text-soft); background: var(--bg-3); }
.action-card button:disabled { opacity: .42; cursor: not-allowed; transform: none; }
.action-card button.confirm:disabled { opacity: 1; color: var(--danger); background: color-mix(in srgb, var(--danger) 11%, var(--bg-2)); }
.action-card.status-expired, .action-card.status-cancelled { opacity: .64; }
.action-card.status-confirmed { border-color: color-mix(in srgb, var(--success) 36%, var(--line)); }
.action-card.status-confirmed .action-card-header { background: color-mix(in srgb, var(--success) 8%, var(--bg-2)); }
.action-card.status-confirmed .action-card-icon { color: var(--success); background: color-mix(in srgb, var(--success) 12%, transparent); }
.action-card.status-error { border-color: color-mix(in srgb, var(--danger) 42%, var(--line)); }
.action-card.status-error .action-card-icon { color: var(--danger); background: color-mix(in srgb, var(--danger) 12%, transparent); }
.action-card.status-cancelled .action-card-icon { color: var(--muted); background: var(--bg-3); }
.action-badge.state-confirmed { color: var(--success); background: color-mix(in srgb, var(--success) 11%, transparent); }
.action-badge.state-cancelled { color: var(--muted); background: var(--bg-3); }
.action-badge.state-error { color: var(--danger); background: color-mix(in srgb, var(--danger) 11%, transparent); }
.action-card-status-line { margin-top: 0; padding: 13px 18px 16px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; font-weight: 650; }
.action-card-status-line.confirmed { color: var(--success); }
.action-card-status-line.error { color: var(--danger); }
.action-card.status-confirmed .action-card-buttons,
.action-card.status-cancelled .action-card-buttons,
.action-card.status-error .action-card-buttons { display: none; }

/* Composer */
.composer-wrap {
  padding: 20px max(24px, calc((100% - 820px) / 2)) max(16px, env(safe-area-inset-bottom));
  background: linear-gradient(transparent 0, color-mix(in srgb, var(--bg-1) 90%, transparent) 28%);
}
.composer {
  min-height: 60px;
  padding: 8px 9px 8px 15px;
  display: flex;
  align-items: flex-end;
  gap: 10px;
  border: 1px solid var(--line-2);
  border-radius: 20px;
  background: var(--material-light);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  backdrop-filter: blur(24px) saturate(180%);
  box-shadow: var(--shadow-md);
  transition: border-color 180ms var(--ease), box-shadow 180ms var(--ease), transform 180ms var(--ease);
}
.composer:focus-within { border-color: color-mix(in srgb, var(--accent) 58%, var(--line)); box-shadow: var(--shadow-md), var(--focus-ring); }
.composer-prompt { height: 42px; display: grid; place-items: center; color: var(--accent); font-size: 17px; }
.composer textarea { min-width: 0; min-height: 42px; max-height: 140px; flex: 1; padding: 10px 0 8px; overflow-y: auto; resize: none; border: 0; outline: 0; color: var(--text); background: transparent; font-size: 15px; line-height: 1.55; }
.composer textarea::placeholder { color: var(--muted-2); }
.composer button { width: 44px; height: 44px; flex: 0 0 auto; border: 0; border-radius: 14px; display: grid; place-items: center; color: #fff; background: var(--accent-filled); box-shadow: 0 6px 14px rgba(0,122,255,.20); cursor: pointer; transition: transform 90ms var(--ease), filter 150ms var(--ease), background 150ms var(--ease); }
.composer button:disabled { opacity: .38; cursor: not-allowed; transform: none; }
.composer button.stop { background: var(--danger-filled); box-shadow: 0 6px 14px color-mix(in srgb, var(--danger) 22%, transparent); }
.composer-meta { padding: 8px 5px 0; display: flex; justify-content: space-between; gap: 16px; color: var(--muted); font-size: 11px; }
.meta-safe { display: flex; align-items: center; gap: 6px; white-space: nowrap; }
.mini-shield { width: 17px; height: 17px; display: grid; place-items: center; border-radius: 6px; color: var(--success); background: color-mix(in srgb, var(--success) 10%, transparent); font-size: 9px; }
.scroll-bottom-button {
  position: absolute;
  right: max(24px, calc((100% - 820px) / 2));
  bottom: 126px;
  z-index: 10;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-2);
  border-radius: 50%;
  color: var(--text-soft);
  background: var(--material-light);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  backdrop-filter: blur(20px) saturate(160%);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px) scale(.94);
  transition: opacity 180ms var(--ease), transform 220ms var(--ease-out);
}
.scroll-bottom-button.visible { opacity: 1; pointer-events: auto; transform: none; }

/* Task sheet */
.modal { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: max(16px, env(safe-area-inset-top)) max(16px, env(safe-area-inset-right)) max(16px, env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-left)); }
.modal-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,.34); opacity: 0; transition: opacity 220ms var(--ease); }
.modal-card {
  position: relative;
  width: min(500px, 100%);
  max-height: min(760px, calc(100dvh - 32px));
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 26px;
  border: 1px solid var(--line-2);
  border-radius: 24px;
  background: var(--material-heavy);
  -webkit-backdrop-filter: blur(32px) saturate(180%);
  backdrop-filter: blur(32px) saturate(180%);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  transform: translateY(18px) scale(.97);
  filter: blur(5px);
  transition: opacity 220ms var(--ease), transform 320ms var(--ease-out), filter 220ms var(--ease);
}
.modal.visible .modal-backdrop { opacity: 1; }
.modal.visible .modal-card { opacity: 1; transform: none; filter: none; }
.modal-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; }
.modal-head h3 { margin: 2px 0 0; font-size: 22px; line-height: 1.2; letter-spacing: -.025em; }
.modal-close { width: 44px; height: 44px; margin: -10px -10px 0 0; padding: 0; border: 0; border-radius: 50%; color: var(--muted); background: rgba(118,118,128,.12); cursor: pointer; font-size: 22px; }
.modal-description { margin: 10px 0 22px; color: var(--muted); font-size: 13px; line-height: 1.55; }
.modal-field { display: block; margin-bottom: 16px; }
.modal-field > span { display: block; margin: 0 0 7px 2px; color: var(--text-soft); font-size: 13px; font-weight: 600; }
.modal-field input, .modal-field textarea, .modal-field select {
  width: 100%;
  min-height: 46px;
  padding: 10px 13px;
  border: 1px solid var(--line-2);
  border-radius: 12px;
  color: var(--text);
  background: var(--bg-2);
  font-size: 15px;
  transition: border-color 160ms var(--ease), box-shadow 160ms var(--ease);
}
.modal-field textarea { resize: vertical; line-height: 1.5; }
.modal-field input:focus, .modal-field textarea:focus, .modal-field select:focus { outline: 0; border-color: var(--accent); box-shadow: var(--focus-ring); }
.modal-actions { margin-top: 22px; display: grid; grid-template-columns: 1fr 1.35fr; gap: 10px; }
.modal-cancel { min-height: 48px; border: 0; border-radius: 13px; color: var(--text-soft); background: rgba(118,118,128,.12); cursor: pointer; font-weight: 650; }

.sidebar-backdrop { position: fixed; inset: 0; z-index: 40; background: rgba(0,0,0,.32); opacity: 0; transition: opacity 220ms var(--ease); }
.sidebar-backdrop.visible { opacity: 1; }

@keyframes material-in { from { opacity: 0; transform: translateY(12px) scale(.985); filter: blur(5px); } to { opacity: 1; transform: none; filter: none; } }
@keyframes rise { from { opacity: 0; transform: translateY(7px); } to { opacity: 1; transform: none; } }
@keyframes typing { 0%, 60%, 100% { opacity: .35; transform: translateY(0); } 30% { opacity: 1; transform: translateY(-2px); } }
@keyframes shake { 0%, 100% { transform: translateX(0); } 30% { transform: translateX(-4px); } 70% { transform: translateX(4px); } }

@media (hover: hover) {
  .panel-button:hover, .modal-submit:hover { filter: brightness(1.06); box-shadow: 0 10px 26px rgba(0,122,255,.24); }
  .panel-button:hover .panel-button-arrow { transform: translateX(3px); }
  .sidebar-tab:hover, .topbar-button:hover, .menu-button:hover { background: rgba(118,118,128,.10); }
  .history-item:hover { background: rgba(118,118,128,.09); }
  .history-item:hover .history-item-del { opacity: 1; }
  .history-item-del:hover { color: var(--danger); background: color-mix(in srgb, var(--danger) 9%, transparent); }
  .quick-action:hover { border-color: color-mix(in srgb, var(--accent) 28%, var(--line)); background: var(--bg-2); box-shadow: var(--shadow-sm); }
  .quick-action:hover .quick-arrow { color: var(--accent); transform: translateX(3px); }
  .copy-btn:hover { opacity: 1; color: var(--text); }
  .action-card button.confirm:hover { filter: brightness(1.06); }
  .action-card button.cancel:hover, .modal-cancel:hover { background: rgba(118,118,128,.18); }
}

@media (max-width: 900px) {
  .app { grid-template-columns: 1fr; }
  .sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    z-index: 50;
    width: min(320px, calc(100% - 48px));
    border-right-color: var(--line-2);
    transform: translateX(-105%);
    box-shadow: none;
    transition: transform 320ms var(--ease-out), box-shadow 220ms var(--ease);
  }
  .sidebar.open { transform: translateX(0); box-shadow: 18px 0 60px rgba(0,0,0,.24); }
  .menu-button { display: flex; }
  .scheduled-item-actions button { min-height: 44px; }
  .messages { padding-left: 22px; padding-right: 22px; }
  .composer-wrap { padding-left: 18px; padding-right: 18px; }
  .scroll-bottom-button { right: 22px; }
}

@media (max-width: 600px) {
  .gate-panel { padding: 28px 22px; border-radius: 24px; }
  .panel-mark { width: 52px; height: 52px; }
  .topbar { min-height: 60px; padding-left: 10px; padding-right: 10px; }
  .topbar-eyebrow, .topbar-status, .topbar-button > span:last-child { display: none; }
  .topbar-title h1 { margin: 0; font-size: 16px; }
  .topbar-button { width: 44px; padding: 0; }
  .messages { padding: 24px 14px 30px; gap: 17px; }
  .welcome { padding: 24px 0; }
  .welcome-title { font-size: 30px; }
  .welcome-sub { font-size: 14px; }
  .quick-grid { grid-template-columns: 1fr; }
  .quick-action { min-height: 82px; }
  .bubble { max-width: 88%; font-size: 15px; }
  .bubble.assistant { margin-left: 34px; }
  .bubble.assistant::before { left: -34px; width: 27px; height: 27px; }
  .action-card { width: calc(100% - 34px); margin-left: 34px; border-radius: 17px; }
  .workflow-card { width: calc(100% - 34px); margin-left: 34px; border-radius: 16px; }
  .workflow-header { align-items: flex-start; }
  .workflow-heading small { display: none; }
  .workflow-step { grid-template-columns: 24px minmax(0, 1fr); }
  .workflow-segment { display: none; }
  .action-card-header { align-items: flex-start; flex-wrap: wrap; }
  .action-card-buttons { flex-direction: column; }
  .action-card button { width: 100%; }
  .composer-wrap { padding: 14px 10px max(10px, env(safe-area-inset-bottom)); }
  .composer { border-radius: 18px; }
  .composer-meta > span:first-child { display: none; }
  .composer-meta { justify-content: flex-end; }
  .scroll-bottom-button { right: 14px; bottom: 116px; }
  .modal { align-items: end; padding: 0; }
  .modal-card { width: 100%; max-height: calc(92dvh - env(safe-area-inset-top)); padding: 24px 20px max(20px, env(safe-area-inset-bottom)); border-width: 1px 0 0; border-radius: 24px 24px 0 0; transform: translateY(100%); filter: none; }
  .modal.visible .modal-card { transform: translateY(0); }
}

@media (hover: none) {
  .history-item-del { opacity: .72; }
}

@supports not ((-webkit-backdrop-filter: blur(1px)) or (backdrop-filter: blur(1px))) {
  .gate-panel, .sidebar, .topbar, .composer, .modal-card, .scroll-bottom-button { background: var(--bg-2); }
}

@media (max-height: 700px) and (min-width: 901px) {
  .module-list { max-height: 150px; }
}

@media (prefers-reduced-motion: reduce) {
  html:focus-within { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; }
  .sidebar, .modal-card, .modal-backdrop, .sidebar-backdrop, .scroll-bottom-button {
    transition-duration: 160ms !important;
    transition-property: opacity, color, background, border-color !important;
    transform: none !important;
    filter: none !important;
  }
}

@media (prefers-reduced-motion: reduce) and (max-width: 900px) {
  .sidebar:not(.open) { opacity: 0; pointer-events: none; }
  .sidebar.open { opacity: 1; }
}

@media (prefers-reduced-transparency: reduce) {
  .gate-panel, .sidebar, .topbar, .composer, .modal-card, .scroll-bottom-button {
    background: var(--bg-2);
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
  }
}

@media (prefers-contrast: more) {
  :root {
    --line: color-mix(in srgb, var(--text) 30%, transparent);
    --line-2: color-mix(in srgb, var(--text) 52%, transparent);
  }
  .gate-panel, .sidebar, .topbar, .composer, .modal-card, .quick-action, .bubble.assistant, .action-card { background: var(--bg-2); border-color: var(--line-2); }
  .muted, .block-label, .tab-empty { color: var(--text-soft); }
}

@media (forced-colors: active) {
  .panel-mark, .sidebar-mark, .welcome-glyph, .bubble.assistant::before, .composer button { border: 1px solid ButtonText; }
  .status-pulse, .foot-dot { forced-color-adjust: none; }
}