/* === DESIGN TOKENS ======================================================= */
:root {
  color-scheme: dark;

  /* Surfaces — Linear/Notion 风格深色系 */
  --c-bg:           #0c0a09;
  --c-bg-2:         #141210;
  --c-panel:        #12100f;
  --c-panel-2:      #1c1917;
  --c-line:         rgba(245, 245, 245, 0.10);
  --c-line-strong:  rgba(245, 245, 245, 0.18);

  /* Text */
  --c-text:         #ffffff;
  --c-text-soft:    #d6d3d1;
  --c-text-muted:   #a8a29e;

  /* Brand & accents */
  --c-orange:       #f5f5f5;
  --c-orange-soft:  #ffffff;
  --c-gold:         #f5f5f7;
  --c-gold-soft:    #f5f5f7;
  --c-blue:         #f5f5f5;
  --c-blue-strong:  #ffffff;
  --c-green:        #67c23a;
  --c-green-soft:   #85ce61;
  --c-green-deep:   #084336;
  --c-red:          #ff7a7a;

  /* Shadows */
  --shadow-1:       0 12px 44px rgba(0, 0, 0, 0.46);
  --shadow-2:       0 36px 120px rgba(0, 0, 0, 0.68);

  /* Radius */
  --r-sm: 8px; --r-md: 8px; --r-lg: 10px;

  /* Spacing */
  --s-1: 4px;  --s-2: 8px;  --s-3: 12px;
  --s-4: 16px; --s-5: 20px; --s-6: 24px;

  /* Typography */
  --font-base: Inter, -apple-system, BlinkMacSystemFont, "SF Pro Text", "HarmonyOS Sans SC",
               "Microsoft YaHei UI", "PingFang SC", system-ui, sans-serif;
  --font-display: "Times New Roman", Georgia, "Songti SC", serif;
  --fs-xs: 12px; --fs-sm: 13px; --fs-md: 14px;
  --fs-lg: 16px; --fs-xl: 20px; --fs-2xl: 24px;

  /* Motion */
  --t-fast: 160ms ease;

  /* Legacy aliases */
  --ink:          var(--c-text);
  --muted:        var(--c-text-muted);
  --paper:        var(--c-bg);
  --panel:        var(--c-panel);
  --line:         var(--c-line);
  --line-strong:  var(--c-line-strong);
  --green:        var(--c-green);
  --green-deep:   var(--c-green-deep);
  --red:          var(--c-red);
  --gold:         var(--c-gold);
  --cyan:         var(--c-blue);
  --shadow:       var(--shadow-1);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  color: var(--c-text);
  background: var(--c-bg);
  font-family: var(--font-base);
  letter-spacing: 0;
  overflow-x: hidden;
}

button, input, select, textarea { font: inherit; }
button { cursor: pointer; }

/* === Shell ================================================================ */
.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
}

/* === Rail (left nav 220px) ================================================ */
.rail {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 14px 8px 12px;
  background: var(--c-bg);
  border-right: 1px solid var(--c-line);
  display: flex;
  flex-direction: column;
  gap: 0;
  overflow: hidden;
  width: 220px;
}

/* Logo 区 */
.rail::before {
  content: "";
  display: none;
  font-size: 16px;
  font-weight: 750;
  color: #f5f5f7;
  padding: 20px 8px 14px;
  letter-spacing: 0;
  line-height: 1.25;
  flex-shrink: 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  margin-bottom: 8px;
}

/* Nav list */
.tool-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1 1 auto;
  min-height: 0;
}

/* Separator between group 1-4 and 5-6 */
.nav-sep {
  height: 1px;
  background: var(--c-line-strong);
  margin: 8px 4px;
  flex-shrink: 0;
}

/* Small caps group label above nav sections */
.nav-group-label {
  padding: 0 10px;
  margin-top: 4px;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #555;
  flex-shrink: 0;
}

/* Nav item */
.nav-item {
  width: 100%;
  height: 36px;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 0 10px;
  color: var(--c-text-muted);
  background: transparent;
  border: none;
  border-radius: 6px;
  text-align: left;
  position: relative;
  transition: background var(--t-fast), color var(--t-fast);
  white-space: nowrap;
  overflow: hidden;
}

.nav-item svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.nav-item span {
  font-size: 13px;
  font-weight: 450;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
}

.nav-item:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--c-text);
}

.nav-item.active {
  background: var(--c-panel-2);
  color: var(--c-text);
}

/* active 左边竖线 */
.nav-item.active::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 2px;
  border-radius: 2px;
  background: var(--c-accent);
}

/* Settings button — pinned to bottom */
.nav-settings-btn {
  width: 100%;
  height: 36px;
  margin-top: auto;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 0 10px;
  color: var(--c-text-muted);
  background: transparent;
  border: none;
  border-radius: 6px;
  text-align: left;
  font-size: 13px;
  font-weight: 450;
  transition: background var(--t-fast), color var(--t-fast);
}

.nav-settings-btn svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.nav-settings-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--c-text);
}

/* === Workspace ============================================================ */
.workspace {
  min-width: 0;
  overflow-x: hidden;
  padding: 22px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.045), transparent 180px),
    var(--c-bg);
}

.topbar {
  min-height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 14px;
  background: var(--c-bg);
  border-bottom: 1px solid var(--c-line);
  padding: 16px 28px;
  margin: -22px -22px 18px;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--c-text-muted);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.4px;
  text-transform: uppercase;
}

h1, h2 { margin: 0; letter-spacing: -0.02em; }
h1 {
  font-family: var(--font-base);
  font-size: 24px;
  font-weight: 600;
  line-height: 1.1;
  color: var(--c-text);
  white-space: pre-line;
}
h2 { font-size: var(--fs-2xl); line-height: 1.15; color: var(--c-text); }

.top-actions,
.output-actions,
.panel-head {
  display: flex;
  align-items: center;
  gap: 10px;
}

.panel-head {
  justify-content: space-between;
  margin-bottom: 18px;
}

/* === Status pill ========================================================== */
.status-pill {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  padding: 0 14px;
  color: var(--c-text-soft);
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid var(--c-line-strong);
  border-radius: 999px;
  font-size: var(--fs-sm);
  font-weight: 700;
  white-space: nowrap;
}

.status-pill.ok,
.status-pill.connected,
.status-pill.is-online {
  color: var(--c-green-soft);
  background: rgba(103, 194, 58, 0.10);
  border-color: rgba(133, 206, 97, 0.42);
}
.status-pill.err,
.status-pill.disconnected,
.status-pill.is-offline {
  color: var(--c-red);
  background: rgba(255, 122, 122, 0.10);
  border-color: rgba(255, 122, 122, 0.36);
}

/* === Config strip ========================================================= */
.config-strip {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 10px;
  padding: 12px;
  margin-bottom: 14px;
  background: var(--c-panel);
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-1);
}

.config-strip.is-hidden { display: none; }

/* === Form controls ======================================================== */
label { display: grid; gap: 7px; }

label span {
  color: var(--c-text-soft);
  font-size: var(--fs-sm);
  font-weight: 600;
  letter-spacing: 0.3px;
}

input, select, textarea {
  width: 100%;
  color: var(--c-text);
  background: var(--c-bg);
  border: 1px solid var(--c-line-strong);
  border-radius: var(--r-sm);
  outline: none;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}

input, select { height: 36px; padding: 0 12px; }

textarea {
  min-height: 96px;
  padding: 12px;
  resize: vertical;
  line-height: 1.55;
}

input::placeholder, textarea::placeholder { color: var(--c-text-muted); }

input:focus, select:focus, textarea:focus {
  border-color: var(--c-accent);
  box-shadow: 0 0 0 2px var(--c-accent-glow);
}

select option { background: var(--c-bg); color: var(--c-text); }

/* === Tool grid + panels =================================================== */
.tool-grid {
  display: grid;
  grid-template-columns: minmax(320px, 0.86fr) minmax(420px, 1.14fr);
  gap: 14px;
  align-items: start;
}

.tool-panel,
.output-panel,
.debug-panel {
  min-height: 620px;
  padding: 20px;
  background: rgba(11, 11, 13, 0.86);
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-1);
}

.tool-panel { display: none; }
.tool-panel.active { display: block; }

.tool-guide {
  display: grid;
  gap: 5px;
  margin: -4px 0 16px;
  padding: 12px 14px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-sm);
  background: rgba(255,255,255,0.035);
  color: var(--c-text-muted);
  font-size: 12px;
  line-height: 1.55;
}

.tool-guide strong {
  color: var(--c-text-soft);
  font-size: 12px;
  font-weight: 700;
}

.tool-guide span {
  display: block;
}

.hermes-guide {
  width: min(420px, 100%);
  margin: 12px auto 0;
  text-align: left;
}

.poster-guide {
  margin: 12px 0 0;
}

.debug-panel {
  grid-column: 1 / -1;
  min-height: 0;
}

.debug-box {
  display: grid;
  gap: 14px;
}

.debug-summary {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.debug-summary span {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 10px;
  border: 1px solid var(--c-line);
  border-radius: 999px;
  color: var(--c-text-muted);
  font-size: 12px;
}

.debug-section {
  display: grid;
  gap: 8px;
  padding-top: 12px;
  border-top: 1px solid var(--c-line);
}

.debug-section h3 {
  margin: 0;
  color: var(--c-text-soft);
  font-size: 13px;
  font-weight: 600;
}

.debug-line,
.debug-list li {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: baseline;
  color: var(--c-text-muted);
  font-size: 12px;
}

.debug-line strong,
.debug-list strong {
  color: var(--c-text);
  font-weight: 600;
}

.debug-list {
  display: grid;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.debug-empty,
.debug-error {
  margin: 0;
  color: var(--c-text-muted);
  font-size: 12px;
}

.debug-error { color: var(--c-red); }

.debug-context {
  padding-top: 10px;
  border-top: 1px solid var(--c-line);
}

.debug-context summary {
  cursor: pointer;
  color: var(--c-text-soft);
  font-size: 13px;
}

.debug-context pre {
  max-height: 280px;
  overflow: auto;
  margin: 10px 0 0;
  padding: 12px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-sm);
  background: rgba(0, 0, 0, 0.22);
  color: var(--c-text-muted);
  white-space: pre-wrap;
  font-size: 12px;
  line-height: 1.55;
}

.field-stack { display: grid; gap: 14px; }

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

.image-agent-panel {
  min-height: 0;
}

.image-agent-form {
  height: 100%;
  align-content: stretch;
  grid-template-rows: auto auto minmax(220px, 1fr);
}

.image-agent-block {
  display: grid;
  gap: 10px;
}

/* A1 direct-generate row */
.image-quick-gen-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 0;
}

.image-quick-gen-btn {
  flex-shrink: 0;
  height: 32px;
  padding: 0 14px;
  background: transparent;
  color: var(--c-text);
  border: 1px solid var(--c-accent-line);
  border-radius: var(--r-md);
  font: inherit;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background 140ms ease, opacity 140ms ease;
}

.image-quick-gen-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.image-quick-gen-btn:not(:disabled):hover {
  background: var(--c-accent-glow);
}

.image-quick-gen-hint {
  font-size: 12px;
  color: var(--c-text-soft);
}

.image-agent-block-title {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--c-text-soft);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.image-agent-block-title span {
  width: 22px;
  height: 22px;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--c-line-strong);
  border-radius: 999px;
  color: var(--c-text);
  background: rgba(255, 255, 255, 0.06);
  font-size: 12px;
}

.image-agent-controls {
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) 96px;
}

.image-agent-chat {
  min-height: 0;
  grid-template-rows: auto minmax(96px, 1fr) auto;
}

.image-agent-log {
  min-height: 72px;
  max-height: none;
  overflow: auto;
  display: grid;
  align-content: start;
  gap: 10px;
  padding: 12px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-sm);
  background: rgba(255, 255, 255, 0.035);
}

.image-agent-composer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: end;
}

.image-agent-composer label {
  min-width: 0;
}

.image-agent-composer textarea {
  min-height: 84px;
  resize: vertical;
}

.image-agent-send {
  min-width: 36px;
  width: 36px;
  height: 36px;
  padding: 0;
  justify-content: center;
  align-self: end;
}

.image-edit-block {
  gap: 9px;
}

.image-edit-tools {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(110px, 0.8fr) auto;
  gap: 8px;
  align-items: end;
}

.image-edit-upload input {
  min-height: 40px;
  padding: 8px 10px;
}

.ghost-button.small {
  min-height: 32px;
  padding: 0 10px;
  font-size: 12px;
}

.image-edit-stage {
  position: relative;
  min-height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--c-line);
  border-radius: var(--r-sm);
  overflow: hidden;
  background:
    linear-gradient(45deg, rgba(255,255,255,.035) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(255,255,255,.035) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, rgba(255,255,255,.035) 75%),
    linear-gradient(-45deg, transparent 75%, rgba(255,255,255,.035) 75%);
  background-size: 18px 18px;
  background-position: 0 0, 0 9px, 9px -9px, -9px 0;
}

.image-edit-stage canvas {
  display: block;
  max-width: 100%;
  touch-action: none;
  cursor: crosshair;
}

.image-edit-empty {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 18px;
  color: var(--c-text-muted);
  text-align: center;
  font-size: 13px;
  line-height: 1.5;
  pointer-events: none;
}

.image-edit-empty.is-hidden {
  display: none;
}

.image-edit-hint {
  margin: 0;
  color: var(--c-text-muted);
  font-size: 12px;
  line-height: 1.55;
}

.output-panel {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.image-edit-output-panel {
  flex: 0 0 auto;
  display: grid;
  gap: 10px;
  max-height: 46vh;
  overflow: auto;
  padding: 12px;
  border: 1px solid var(--c-line-strong);
  border-radius: var(--r-sm);
  background: rgba(255, 255, 255, 0.035);
}

.image-edit-output-panel.is-hidden {
  display: none;
}

.image-edit-output-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.image-edit-output-head strong {
  color: var(--c-text);
  font-size: 14px;
}

.image-agent-message {
  display: grid;
  gap: 5px;
}

.image-agent-message span {
  color: var(--c-text-muted);
  font-size: 12px;
  font-weight: 700;
}

.image-agent-message p {
  margin: 0;
  padding: 10px 12px;
  border-radius: var(--r-sm);
  color: var(--c-text);
  background: rgba(255, 255, 255, 0.055);
  white-space: pre-wrap;
  line-height: 1.55;
}

.image-agent-message--user p {
  background: rgba(255, 255, 255, 0.10);
}

/* === Native poster workspaces =========================================== */
.poster-native-panel {
  padding: 0;
  overflow: hidden;
}

#tool-tianti.active,
#tool-jifen.active,
#tool-kaixiang.active {
  grid-column: 1 / -1;
  height: calc(100dvh - 220px);
  min-height: 0;
}

.poster-native-shell {
  height: 100%;
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(360px, 0.42fr) minmax(520px, 1fr);
  background: var(--c-bg);
}

.poster-control-pane,
.poster-stage-pane {
  min-height: 0;
  overflow: hidden;
}

.poster-control-pane {
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--c-line);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.035), rgba(255,255,255,0.012)),
    var(--c-panel);
}

.poster-pane-head {
  flex: 0 0 auto;
  padding: 22px 24px 16px;
  border-bottom: 1px solid var(--c-line);
}

.poster-module-switch {
  margin-top: 16px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(96px, 1fr));
  gap: 8px;
}

.poster-module-switch button {
  min-height: 44px;
  padding: 8px 10px;
  display: grid;
  gap: 4px;
  border: 1px solid var(--c-line-strong);
  border-radius: var(--r-sm);
  background: rgba(255,255,255,0.035);
  color: var(--c-text-soft);
  text-align: left;
  font: inherit;
  cursor: pointer;
}

.poster-module-switch button strong {
  color: var(--c-text);
  font-size: 13px;
}

.poster-module-switch button span {
  color: var(--c-text-muted);
  font-size: 11px;
  font-weight: 750;
}

.poster-module-switch button.active {
  border-color: var(--c-accent-line);
  background: var(--c-accent-glow);
  box-shadow: inset 0 0 0 1px var(--c-accent-line);
}

.poster-pane-head h2,
.poster-stage-head h3 {
  margin: 4px 0 0;
  color: var(--c-text);
  font-size: 22px;
  line-height: 1.15;
}

.poster-scroll {
  flex: 1 1 auto;
  min-height: 0;
  overflow: auto;
  padding: 18px 24px 22px;
  display: grid;
  align-content: start;
  gap: 18px;
}

.poster-section {
  display: grid;
  gap: 12px;
}

.poster-section[hidden] {
  display: none !important;
}

.poster-section-title {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--c-text-soft);
  font-size: 13px;
  font-weight: 700;
}

.poster-section-title span {
  min-width: 38px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: 999px;
  color: var(--c-text-muted);
  font-size: 11px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.poster-section-hint {
  margin: -4px 0 0;
  color: var(--c-text-muted);
  font-size: 12px;
  line-height: 1.55;
}

.poster-segment,
.poster-style-grid,
.poster-upload-grid,
.poster-action-row {
  display: grid;
  gap: 10px;
}

.poster-segment {
  grid-template-columns: 1fr 1fr;
}

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

.poster-segment button,
.poster-style-grid button {
  min-height: 40px;
  padding: 8px 12px;
  border: 1px solid var(--c-line-strong);
  border-radius: var(--r-sm);
  color: var(--c-text);
  background: rgba(255,255,255,0.035);
  text-align: left;
  font-weight: 600;
}

.poster-style-grid button {
  min-height: 36px;
  text-align: center;
}

.poster-segment button span {
  display: block;
  margin-top: 4px;
  color: var(--c-text-muted);
  font-size: 11px;
  font-weight: 700;
}

.poster-segment button.active,
.poster-style-grid button.active {
  border-color: var(--c-accent-line);
  background: var(--c-accent-glow);
  box-shadow: inset 0 0 0 1px var(--c-accent-line);
}

.poster-textarea {
  min-height: 220px;
  resize: none;
  background: rgba(0,0,0,0.20);
  line-height: 1.65;
}

.poster-textarea-compact {
  min-height: 118px;
}

.poster-action-row {
  grid-template-columns: 1fr 1fr;
}

.poster-upload-grid {
  grid-template-columns: 1fr 1fr;
}

.poster-scale-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 12px;
}

.poster-upload-grid label {
  display: grid;
  gap: 8px;
  color: var(--c-text-muted);
  font-size: 12px;
  font-weight: 700;
}

.poster-scale-grid label {
  display: grid;
  gap: 8px;
  color: var(--c-text-muted);
  font-size: 12px;
  font-weight: 700;
}

.poster-upload-grid input {
  padding: 9px 10px;
  height: auto;
  min-height: 42px;
}

.poster-upload-grid[hidden] {
  display: none;
}

.poster-upload-wide {
  grid-column: 1 / -1;
}

.poster-file-list {
  display: grid;
  gap: 6px;
}

.poster-file-row {
  min-height: 32px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-sm);
  background: rgba(255,255,255,0.035);
  color: var(--c-text-muted);
  font-size: 12px;
}

.poster-file-row span {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.poster-file-remove,
.poster-dom-asset-remove {
  width: 22px;
  height: 22px;
  border: 1px solid rgba(255,255,255,0.36);
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #111;
  background: rgba(255,255,255,0.92);
  font-size: 16px;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
}

.poster-scale-grid input[type="range"] {
  width: 100%;
  accent-color: var(--c-accent);
}

.poster-sticky-actions {
  flex: 0 0 auto;
  padding: 16px 24px;
  border-top: 1px solid var(--c-line);
  background: rgba(9, 9, 10, 0.92);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
}

.poster-stage-pane {
  display: flex;
  flex-direction: column;
  background:
    radial-gradient(circle at 48% 42%, rgba(255,255,255,0.05), transparent 34%),
    var(--c-bg);
}

.poster-stage-head {
  flex: 0 0 auto;
  min-height: 78px;
  padding: 18px 22px;
  border-bottom: 1px solid var(--c-line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.poster-stage-status {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  min-width: 0;
  flex-wrap: wrap;
}

.poster-stat {
  max-width: 220px;
  padding: 7px 10px;
  border: 1px solid var(--c-accent-line);
  border-radius: 999px;
  color: var(--c-accent);
  background: var(--c-accent-glow);
  font-size: 12px;
  font-weight: 700;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.poster-status {
  max-width: min(520px, 50vw);
  padding: 8px 12px;
  border: 1px solid var(--c-line);
  border-radius: 999px;
  color: var(--c-text-muted);
  font-size: 12px;
  font-weight: 700;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.poster-status.ok {
  color: #86efac;
  border-color: rgba(134, 239, 172, 0.28);
}

.poster-status.error {
  color: var(--c-red);
  border-color: rgba(255, 122, 122, 0.34);
}

.poster-canvas-wrap {
  flex: 1 1 auto;
  min-height: 0;
  padding: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.poster-canvas-wrap canvas,
.poster-template-dom,
.poster-template-image {
  display: block;
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  border: 1px solid var(--c-line);
  border-radius: var(--r-sm);
  background: #111;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.46);
}

.poster-canvas-wrap canvas {
  touch-action: none;
}

.poster-canvas-wrap canvas[hidden],
.poster-template-dom[hidden],
.poster-template-image[hidden] {
  display: none !important;
}

.poster-template-image {
  object-fit: contain;
  user-select: none;
}

.poster-original-links {
  width: min(520px, 100%);
  padding: 28px;
  border: 1px solid var(--c-line-strong);
  border-radius: var(--r-sm);
  background:
    linear-gradient(135deg, rgba(255,255,255,0.08), rgba(255,255,255,0.02)),
    #0d0d0f;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.46);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  text-align: center;
}

.poster-original-links[hidden] {
  display: none !important;
}

.poster-original-links strong {
  color: var(--c-text);
  font-size: 22px;
  font-weight: 700;
}

.poster-original-links span {
  color: var(--c-text-muted);
  font-size: 13px;
}

.poster-original-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.poster-template-dom {
  position: relative;
  line-height: 0;
}

.poster-template-dom .poster-template-image {
  width: 100%;
  height: 100%;
  border: 0;
  box-shadow: none;
}

.poster-template-overlay {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.poster-dom-asset {
  position: absolute;
  display: block;
  border: 0;
  padding: 0;
  background: transparent;
  cursor: move;
  pointer-events: auto;
  transform-origin: center;
}

.poster-dom-asset-remove {
  position: absolute;
  right: -11px;
  top: -11px;
  z-index: 2;
  pointer-events: auto;
}

.poster-dom-asset img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  user-select: none;
  pointer-events: none;
}

.poster-dom-asset.active {
  outline: 2px solid rgba(255, 215, 128, 0.92);
  outline-offset: 2px;
}

.poster-dom-asset-grid {
  position: absolute;
  inset: -8px;
  pointer-events: none;
}

.poster-dom-asset-grid span {
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: #ffe4a1;
  border: 1px solid rgba(8, 6, 3, 0.72);
  box-shadow: 0 0 10px rgba(255, 198, 86, 0.55);
  pointer-events: auto;
}

.poster-dom-asset-grid span:nth-child(1),
.poster-dom-asset-grid span:nth-child(9) { cursor: nwse-resize; }
.poster-dom-asset-grid span:nth-child(2),
.poster-dom-asset-grid span:nth-child(8) { cursor: ns-resize; }
.poster-dom-asset-grid span:nth-child(3),
.poster-dom-asset-grid span:nth-child(7) { cursor: nesw-resize; }
.poster-dom-asset-grid span:nth-child(4),
.poster-dom-asset-grid span:nth-child(6) { cursor: ew-resize; }
.poster-dom-asset-grid span:nth-child(5) { cursor: move; }

.poster-dom-asset-grid span:nth-child(1) { left: 0; top: 0; }
.poster-dom-asset-grid span:nth-child(2) { left: 50%; top: 0; transform: translateX(-50%); }
.poster-dom-asset-grid span:nth-child(3) { right: 0; top: 0; }
.poster-dom-asset-grid span:nth-child(4) { left: 0; top: 50%; transform: translateY(-50%); }
.poster-dom-asset-grid span:nth-child(5) { left: 50%; top: 50%; transform: translate(-50%, -50%); }
.poster-dom-asset-grid span:nth-child(6) { right: 0; top: 50%; transform: translateY(-50%); }
.poster-dom-asset-grid span:nth-child(7) { left: 0; bottom: 0; }
.poster-dom-asset-grid span:nth-child(8) { left: 50%; bottom: 0; transform: translateX(-50%); }
.poster-dom-asset-grid span:nth-child(9) { right: 0; bottom: 0; }

/* === Buttons ============================================================== */
.primary-button,
.ghost-button,
.icon-button {
  border-radius: var(--r-md);
  border: 1px solid transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: inherit;
  transition: transform var(--t-fast), border-color var(--t-fast),
              background var(--t-fast), box-shadow var(--t-fast);
}

.primary-button {
  min-height: 36px;
  padding: 0 14px;
  color: var(--c-accent-ink);
  background: var(--c-accent);
  border-color: var(--c-accent);
  font-size: var(--fs-md);
  font-weight: 600;
  letter-spacing: 0;
  box-shadow: none;
}

.primary-button:hover {
  background: var(--c-accent-soft);
  border-color: var(--c-accent-soft);
}

.primary-button.compact {
  min-height: 32px;
  align-self: end;
}

.primary-button:disabled {
  cursor: wait;
  opacity: 0.55;
  transform: none;
  box-shadow: none;
}

.ghost-button {
  min-height: 32px;
  padding: 0 12px;
  color: var(--c-text);
  background: var(--c-panel-2);
  border-color: var(--c-line-strong);
  font-size: var(--fs-sm);
  font-weight: 500;
}

.ghost-button:hover {
  border-color: rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.08);
  color: var(--c-text);
}

.icon-button {
  width: 34px;
  height: 34px;
  color: var(--c-text-soft);
  background: var(--c-panel-2);
  border-color: var(--c-line-strong);
}

.icon-button:hover {
  border-color: rgba(255, 255, 255, 0.28);
  color: var(--c-text);
  transform: translateY(-1px);
}

button svg { width: 16px; height: 16px; flex: 0 0 auto; }

/* === Result box =========================================================== */
.result-box {
  min-height: 520px;
  max-height: calc(100vh - 210px);
  overflow: auto;
  background: var(--c-bg);
  color: var(--c-text);
  border: 1px solid var(--c-line-strong);
  border-radius: var(--r-md);
}

.result-empty {
  min-height: 520px;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 12px;
  color: var(--c-text-muted);
}

.result-empty svg { width: 28px; height: 28px; }

.result-progress {
  min-height: 520px;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 10px;
  padding: 24px;
  color: var(--c-text-muted);
  text-align: center;
}

.result-progress svg {
  width: 30px;
  height: 30px;
  color: var(--c-accent);
  animation: progress-spin 1.1s linear infinite;
}

.result-progress strong {
  color: var(--c-text);
  font-size: var(--fs-lg);
}

.result-progress span {
  max-width: 320px;
  line-height: 1.6;
}

@keyframes progress-spin {
  to { transform: rotate(360deg); }
}

.result-text,
.result-box pre {
  margin: 0;
  padding: 18px;
  white-space: pre-wrap;
  word-break: break-word;
  line-height: 1.65;
  font-family: "Cascadia Code", "JetBrains Mono", "Microsoft YaHei UI", monospace;
  font-size: var(--fs-md);
  color: var(--c-text);
}

.image-results {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  padding: 12px;
}

.image-result-card {
  display: grid;
  gap: 8px;
}

.image-results img {
  width: 100%;
  max-height: min(52vh, 520px);
  background: var(--c-bg-2);
  border: 1px solid var(--c-line);
  border-radius: var(--r-sm);
  object-fit: contain;
}

.image-preview-meta {
  padding: 12px 14px 0;
  color: var(--c-text-muted);
  font-size: 13px;
  font-weight: 700;
}

.image-preview-placeholder {
  min-height: 520px;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 10px;
  color: var(--c-text-muted);
  text-align: center;
}

.image-preview-placeholder svg {
  width: 32px;
  height: 32px;
}

.image-preview-placeholder strong {
  color: var(--c-text);
  font-size: 16px;
}

body[data-active-tool="image"] .topbar {
  min-height: 60px;
  padding-top: 14px;
  padding-bottom: 14px;
}

body[data-active-tool="image"] h1 {
  font-size: 24px;
}

body[data-active-tool="image"] .tool-grid {
  grid-template-columns: minmax(320px, 0.82fr) minmax(460px, 1.18fr);
}

@media (max-width: 860px) {
  body[data-active-tool="image"] .tool-grid {
    grid-template-columns: minmax(0, 1fr);
    overflow: auto;
  }

  body[data-active-tool="image"] .image-agent-panel.active {
    min-height: 430px;
  }

  body[data-active-tool="image"] .image-agent-form {
    overflow: auto;
  }

  body[data-active-tool="image"] .output-panel {
    min-height: 360px;
  }
}

@media (max-width: 620px) {
  body[data-active-tool="image"] h1 {
    font-size: 24px;
    line-height: 1.1;
  }

  body[data-active-tool="image"] .image-agent-panel.active {
    min-height: 500px;
  }
}

/* === Toast ================================================================ */
.toast {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 200;
  padding: 12px 16px;
  color: #fff;
  background: var(--c-panel-2);
  border: 1px solid rgba(255,255,255,.16);
  border: none;
  border-radius: var(--r-sm);
  box-shadow: var(--shadow-2);
  font-weight: 700;
}

/* === Scrollbar ============================================================ */
.result-box::-webkit-scrollbar,
.workspace::-webkit-scrollbar { width: 8px; height: 8px; }
.result-box::-webkit-scrollbar-thumb,
.workspace::-webkit-scrollbar-thumb {
  background: var(--c-line-strong);
  border-radius: 999px;
}
.result-box::-webkit-scrollbar-track,
.workspace::-webkit-scrollbar-track { background: transparent; }

/* === Library mode ========================================================= */
.context-mode {
  display: inline-flex;
  gap: 4px;
  margin: 0 0 10px;
  padding: 4px;
  background: var(--c-panel-2);
  border: 1px solid var(--c-line-strong);
  border-radius: var(--r-sm);
}
.context-mode button {
  min-height: 30px;
  padding: 0 12px;
  border: 0;
  border-radius: calc(var(--r-sm) - 2px);
  background: transparent;
  color: var(--c-text-muted);
  font-size: var(--fs-sm);
  font-weight: 700;
  transition: background var(--t-fast), color var(--t-fast);
}
.context-mode button.is-active {
  background: rgba(255, 255, 255, 0.10);
  color: #f5f5f7;
}
.context-mode button.is-disabled,
.context-mode button:disabled {
  cursor: not-allowed;
  color: rgba(176, 183, 199, 0.38);
  opacity: 0.72;
}

.settings-context-mode {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  width: 100%;
  margin: 0;
}

.settings-kb-summary {
  margin: 0;
}

.kb-summary {
  display: flex;
  align-items: center;
  gap: var(--s-2);
  margin: 0 0 14px;
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--r-sm);
  color: var(--c-text-soft);
  font-size: var(--fs-sm);
  line-height: 1.4;
}
.kb-summary svg {
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  color: #f5f5f5;
}
.kb-summary-text {
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.kb-sync-button {
  flex: 0 0 auto;
  height: 28px;
  padding: 0 10px;
  border: 1px solid var(--c-line-strong);
  border-radius: calc(var(--r-sm) - 2px);
  background: rgba(255, 255, 255, 0.08);
  color: var(--c-text-soft);
  font-size: 12px;
  font-weight: 700;
}
.kb-sync-button:disabled {
  cursor: not-allowed;
  border-color: var(--c-line-strong);
  background: transparent;
  color: rgba(176, 183, 199, 0.42);
}
.kb-summary--empty {
  background: var(--c-panel-2);
  border-color: var(--c-line-strong);
}
.kb-summary--empty .kb-summary-text { color: var(--c-text-muted); }
.kb-summary--empty svg { color: var(--c-text-muted); }

/* === Embed mode (已废弃，workbench 不再使用 ?embed=1) ==================== */
/* body.embed 规则全部移除，toolbox 始终以完整导航显示 */

/* === Hermes 对话面板 ======================================================= */
.hermes-panel {
  display: none;
  grid-column: 1 / -1 !important;
  flex-direction: row;
  gap: 0;
  padding: 0;
  overflow: hidden;
  min-height: 620px;
  max-height: calc(100vh - 160px);
}

.hermes-panel.active {
  display: flex !important;
}

.hermes-sidebar {
  width: 220px;
  flex: 0 0 220px;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--c-line);
  background: var(--c-bg-2);
  overflow: hidden;
}

.hermes-sidebar-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 14px 10px;
  border-bottom: 1px solid var(--c-line);
}

.hermes-conv-list {
  flex: 1 1 auto;
  overflow-y: auto;
  padding: 6px;
}

.hermes-conv-empty {
  padding: 16px 10px;
  color: var(--c-text-muted);
  font-size: var(--fs-xs);
  text-align: center;
}

.hermes-conv-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 10px;
  border-radius: var(--r-sm);
  cursor: pointer;
  transition: background var(--t-fast);
}

.hermes-conv-item:hover {
  background: rgba(255, 255, 255, 0.05);
}

.hermes-conv-item.active {
  background: var(--c-accent-glow);
  border: 1px solid var(--c-accent-line);
}

.hermes-conv-label {
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: var(--fs-xs);
  color: var(--c-text-soft);
  line-height: 1.4;
}

.hermes-conv-del {
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  border: none;
  background: transparent;
  color: var(--c-text-muted);
  border-radius: 4px;
  opacity: 0;
  transition: opacity var(--t-fast), color var(--t-fast);
  position: relative;
  font-size: 14px;
  line-height: 1;
}

.hermes-conv-item:hover .hermes-conv-del { opacity: 1; }
.hermes-conv-del:hover { color: var(--c-text); background: rgba(255,255,255,0.08); }
.hermes-conv-del svg { width: 13px; height: 13px; }

/* B1: conversation item context menu */
.hermes-conv-item { position: relative; }

.hermes-conv-menu {
  position: absolute;
  right: 4px;
  top: calc(100% + 2px);
  z-index: 200;
  min-width: 110px;
  background: #1c1c1e;
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.5);
  overflow: hidden;
  display: none;
}

.hermes-conv-menu.is-open { display: block; }

.hermes-conv-menu-item {
  display: block;
  width: 100%;
  padding: 9px 14px;
  background: transparent;
  border: none;
  color: var(--c-text);
  font: inherit;
  font-size: 13px;
  text-align: left;
  cursor: pointer;
  transition: background 120ms ease;
}

.hermes-conv-menu-item:hover { background: rgba(255,255,255,0.07); }
.hermes-conv-menu-item.danger { color: var(--c-red); }
.hermes-conv-menu-item.danger:hover { background: rgba(255,69,58,0.08); }

/* inline rename input */
.hermes-conv-rename-input {
  flex: 1 1 auto;
  min-width: 0;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 4px;
  color: var(--c-text);
  font: inherit;
  font-size: var(--fs-xs);
  padding: 2px 6px;
  outline: none;
}

.hermes-chat {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.hermes-messages {
  flex: 1 1 auto;
  overflow-y: auto;
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.hermes-welcome {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: var(--c-text-muted);
}

.hermes-welcome svg { width: 32px; height: 32px; }
.hermes-welcome p { margin: 0; font-size: var(--fs-sm); }

.hermes-msg {
  display: flex;
  flex-direction: column;
  max-width: 76%;
}

.hermes-msg.has-artifact {
  max-width: min(760px, 86%);
}

.hermes-msg.user {
  align-self: flex-end;
  align-items: flex-end;
}

.hermes-msg.assistant {
  align-self: flex-start;
  align-items: flex-start;
}

.hermes-bubble {
  padding: 10px 14px;
  border-radius: var(--r-md);
  font-size: var(--fs-md);
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
}

.hermes-msg.user .hermes-bubble {
  background: #2d2d3a;
  border: none;
  color: #e8e8f0;
}

.hermes-msg.assistant .hermes-bubble {
  background: transparent;
  border: none;
  border-left: 2px solid var(--c-accent);
  border-radius: 0;
  padding-left: 12px;
  color: #c8c8d8;
}

.hermes-msg.assistant.has-artifact .hermes-bubble {
  border-left: none;
  padding-left: 0;
  width: 100%;
  color: var(--c-text);
}

.hermes-artifact-card {
  display: grid;
  gap: 12px;
  width: min(640px, 72vw);
  padding: 12px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-sm);
  background: #101014;
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.24);
  white-space: normal;
}

.hermes-artifact-card.is-loading {
  color: var(--c-text);
}

.hermes-artifact-main {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.hermes-artifact-icon {
  display: inline-grid;
  place-items: center;
  flex: 0 0 36px;
  width: 36px;
  height: 36px;
  border: 1px solid rgba(245, 245, 245, 0.16);
  border-radius: var(--r-sm);
  background: #191920;
  color: #f5f5f5;
}

.hermes-artifact-icon svg {
  width: 18px;
  height: 18px;
}

.hermes-artifact-copy {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.hermes-artifact-copy strong {
  color: var(--c-text);
  font-size: 14px;
  line-height: 1.25;
}

.hermes-artifact-copy span {
  color: var(--c-text-muted);
  font-size: 12px;
  line-height: 1.35;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.hermes-artifact-preview {
  max-height: 220px;
  margin: 0;
  padding: 10px;
  overflow: hidden;
  border: 1px solid rgba(245, 245, 245, 0.08);
  border-radius: var(--r-sm);
  background: #09090c;
  color: #d8d8e4;
  font: inherit;
  font-size: 13px;
  line-height: 1.55;
  white-space: pre-wrap;
}

.hermes-artifact-preview.is-live {
  max-height: 340px;
  overflow-y: auto;
  color: #ededf5;
}

.hermes-artifact-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  flex-wrap: wrap;
}

.hermes-artifact-actions .ghost-button {
  min-height: 34px;
}

.hermes-artifact-progress {
  height: 3px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(245, 245, 245, 0.08);
}

.hermes-artifact-progress span {
  display: block;
  width: 44%;
  height: 100%;
  border-radius: inherit;
  background: #f5f5f5;
  animation: hermes-progress-slide 1.1s ease-in-out infinite;
}

@keyframes hermes-progress-slide {
  0% { transform: translateX(-110%); }
  100% { transform: translateX(240%); }
}

.hermes-image-result {
  display: grid;
  gap: 12px;
  min-width: min(560px, 72vw);
}

.hermes-image-result-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  color: var(--c-text);
}

.hermes-image-result-head > div:first-child {
  display: grid;
  gap: 3px;
  min-width: 0;
}

.hermes-image-result-head span {
  color: var(--c-text-muted);
  font-size: 12px;
  font-weight: 700;
}

.hermes-image-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 10px;
}

.hermes-image-thumb {
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: zoom-in;
}

.hermes-image-grid img {
  display: block;
  width: 100%;
  max-height: 520px;
  object-fit: contain;
  border: 1px solid var(--c-line);
  border-radius: var(--r-sm);
  background: #050506;
}

.hermes-artifact-viewer[hidden] {
  display: none;
}

.hermes-artifact-viewer {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: grid;
  place-items: center;
  padding: 24px;
}

.artifact-viewer-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.78);
}

.artifact-viewer-panel {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  width: min(1040px, 96vw);
  max-height: min(900px, 92dvh);
  overflow: hidden;
  border: 1px solid rgba(245, 245, 245, 0.14);
  border-radius: var(--r-sm);
  background: #0b0b0f;
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.45);
}

.artifact-viewer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border-bottom: 1px solid rgba(245, 245, 245, 0.1);
  background: #111116;
}

.artifact-viewer-head > div:first-child {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.artifact-viewer-head strong {
  color: var(--c-text);
  font-size: 14px;
}

.artifact-viewer-head span {
  color: var(--c-text-muted);
  font-size: 12px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.artifact-viewer-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
}

.artifact-viewer-body {
  min-height: 0;
  overflow: auto;
  padding: 16px;
}

.artifact-viewer-text {
  min-height: min(640px, 72dvh);
  margin: 0;
  padding: 18px;
  border: 1px solid rgba(245, 245, 245, 0.1);
  border-radius: var(--r-sm);
  background: #07070a;
  color: #ededf5;
  font: inherit;
  font-size: 15px;
  line-height: 1.75;
  white-space: pre-wrap;
}

.artifact-viewer-image-wrap {
  display: grid;
  place-items: center;
  min-height: min(640px, 72dvh);
}

.artifact-viewer-image-wrap img {
  display: block;
  max-width: 100%;
  max-height: 76dvh;
  object-fit: contain;
  border-radius: var(--r-sm);
  background: #050506;
}

.artifact-viewer-thumbs {
  display: flex;
  gap: 8px;
  padding-top: 12px;
  overflow-x: auto;
}

.artifact-viewer-thumbs button {
  flex: 0 0 86px;
  height: 64px;
  padding: 0;
  overflow: hidden;
  border: 1px solid rgba(245, 245, 245, 0.14);
  border-radius: var(--r-sm);
  background: #050506;
  cursor: pointer;
}

.artifact-viewer-thumbs button.active {
  border-color: var(--c-accent);
}

.artifact-viewer-thumbs img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

body.artifact-viewer-open {
  overflow: hidden;
}

.hermes-bubble.streaming::after {
  content: "▌";
  animation: hermes-blink 0.8s step-end infinite;
  color: #f5f5f5;
}

@keyframes hermes-blink {
  50% { opacity: 0; }
}

.hermes-msg-time {
  margin-top: 3px;
  font-size: 11px;
  color: var(--c-text-muted);
}

.hermes-input-row {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  padding: 12px 16px;
  border-top: 1px solid var(--c-line);
  background: var(--c-panel);
}

.hermes-input-row textarea {
  flex: 1 1 auto;
  min-height: 42px;
  max-height: 140px;
  resize: none;
  padding: 10px 12px;
  line-height: 1.5;
  overflow-y: auto;
}

.hermes-input-row textarea:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.tool-grid:has(#tool-hermes.active),
.tool-grid:has(#tool-suite.active) {
  grid-template-columns: 1fr;
}

/* === 整店套餐独立侧边页 === */
.suite-panel { grid-column: 1 / -1; padding: 0; overflow: hidden; }
.suite-page { height: 100%; min-height: 0; display: flex; flex-direction: column; }
.suite-page-head { flex: 0 0 auto; padding: 20px 28px 14px; border-bottom: 1px solid var(--c-line); }
.suite-page-head h2 { margin: 4px 0 0; font-size: 20px; }
.suite-page-sub { margin: 6px 0 0; color: var(--c-text-muted); font-size: 13px; line-height: 1.55; }
#suiteHome { flex: 1 1 auto; min-height: 0; overflow: auto; padding: 20px 28px 28px; }
#suiteHome #posterSuiteSection { max-width: 760px; margin: 0 auto; }
#suiteHome #posterSuiteSection > .poster-section-title { display: none; }
#suiteHome #posterSuiteSection > .poster-section-hint { display: none; }

@media (max-width: 700px) {
  .hermes-sidebar { width: 160px; flex: 0 0 160px; }
}

@media (max-width: 540px) {
  .hermes-panel { flex-direction: column; }
  .hermes-sidebar {
    width: 100%;
    flex: 0 0 auto;
    max-height: 180px;
    border-right: none;
    border-bottom: 1px solid var(--c-line);
  }

  .hermes-msg,
  .hermes-msg.has-artifact {
    max-width: 92%;
  }

  .hermes-artifact-card {
    width: 100%;
    min-width: 0;
  }

  .hermes-image-result-head,
  .artifact-viewer-head {
    align-items: stretch;
    flex-direction: column;
  }

  .artifact-viewer-actions,
  .hermes-artifact-actions {
    justify-content: flex-start;
  }

  .hermes-artifact-viewer {
    padding: 10px;
  }

  .artifact-viewer-panel {
    width: 100%;
    max-height: 94dvh;
  }
}

/* === Settings Drawer ====================================================== */
.settings-overlay {
  position: fixed;
  inset: 0;
  z-index: 98;
  background: rgba(0, 0, 0, 0.45);
  opacity: 0;
  pointer-events: none;
  transition: opacity 240ms ease;
}

.settings-overlay.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.settings-drawer {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 99;
  width: 420px;
  max-width: min(420px, calc(100vw - 28px));
  background: rgba(10, 10, 12, 0.98);
  border-right: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow-2);
  display: flex;
  flex-direction: column;
  transform: translateX(-100%);
  transition: transform 240ms cubic-bezier(0.2, 0.8, 0.3, 1);
  overflow: hidden;
}

.settings-drawer.is-open {
  transform: translateX(0);
}

.settings-drawer[hidden] {
  display: none;
}

.settings-drawer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 18px 14px;
  border-bottom: 1px solid var(--c-line);
  flex-shrink: 0;
}

.settings-drawer-head h2 {
  font-size: 18px;
  margin: 0;
}

.settings-drawer-body {
  flex: 1 1 auto;
  overflow-y: auto;
  padding: 12px 0;
}

/* details / summary accordion */
.settings-section {
  border-bottom: 1px solid var(--c-line);
}

.settings-section summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  color: #f5f5f7;
  user-select: none;
  transition: color var(--t-fast), background var(--t-fast);
}

.settings-section summary::-webkit-details-marker { display: none; }

.settings-section summary::after {
  content: "";
  width: 8px;
  height: 8px;
  border-right: 1.5px solid var(--c-text-muted);
  border-bottom: 1.5px solid var(--c-text-muted);
  font-size: 18px;
  line-height: 1;
  transition: transform var(--t-fast), border-color var(--t-fast);
  display: inline-block;
  transform: rotate(45deg);
}

.settings-section[open] summary::after {
  transform: rotate(225deg);
}

.settings-section summary:hover {
  color: var(--c-text);
  background: rgba(255, 255, 255, 0.03);
}

.settings-section-body {
  padding: 4px 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.settings-subsection {
  border: 1px solid var(--c-line);
  border-radius: var(--r-sm);
  background: rgba(255, 255, 255, 0.02);
  overflow: hidden;
}

.settings-subsection summary {
  list-style: none;
  min-height: 42px;
  padding: 0 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  color: #f5f5f7;
  font-size: 13px;
  font-weight: 700;
  transition: background var(--t-fast), color var(--t-fast);
}

.settings-subsection summary::-webkit-details-marker { display: none; }

.settings-subsection summary::after {
  content: "";
  width: 7px;
  height: 7px;
  border-right: 1.5px solid var(--c-text-muted);
  border-bottom: 1.5px solid var(--c-text-muted);
  transform: rotate(45deg);
  transition: transform var(--t-fast), border-color var(--t-fast);
}

.settings-subsection[open] summary {
  border-bottom: 1px solid var(--c-line);
  background: rgba(255, 255, 255, 0.025);
}

.settings-subsection[open] summary::after {
  transform: rotate(225deg);
}

.settings-subsection-body {
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.settings-section-body label,
.settings-section-body .settings-field {
  padding: 0 4px;
}

.settings-section-body input,
.settings-section-body select,
.settings-section-body textarea {
  font-size: 13px;
  color: #f5f5f7;
}

.settings-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.settings-label {
  margin: 0;
  font-size: var(--fs-sm);
  font-weight: 700;
  color: #f5f5f7;
}

.settings-hint {
  margin: 0;
  font-size: var(--fs-xs);
  color: var(--c-text-muted);
  line-height: 1.6;
}

.settings-form {
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
}

.settings-form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 0;
}

.settings-placeholder {
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px dashed var(--c-line-strong);
  border-radius: var(--r-sm);
}

.drawer-pending-head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}

/* === Responsive =========================================================== */
@media (max-width: 1100px) {
  .app-shell { grid-template-columns: 220px minmax(0, 1fr); }
}

@media (max-width: 860px) {
  .app-shell { grid-template-columns: 1fr; }

  .rail {
    position: static;
    height: auto;
    flex-direction: row;
    align-items: center;
    padding: 8px 10px;
    gap: 0;
  }

  .tool-nav {
    flex-direction: row;
    gap: 4px;
    flex: 1 1 auto;
    min-height: auto;
    overflow-x: auto;
    scrollbar-width: none;
  }

  .tool-nav::-webkit-scrollbar { display: none; }

  .nav-sep {
    width: 1px;
    height: 24px;
    margin: 0 6px;
    align-self: center;
  }

  .nav-item {
    height: 38px;
    flex-shrink: 0;
    white-space: nowrap;
  }

  .nav-settings-btn {
    margin-top: 0;
    margin-left: 6px;
    height: 38px;
    flex-shrink: 0;
  }

  .tool-grid,
  .config-strip { grid-template-columns: 1fr; }

  .tool-panel,
  .output-panel,
  .debug-panel { min-height: auto; }

  .result-box,
  .result-empty { min-height: 360px; }
}

@media (max-width: 620px) {
  .workspace { padding: 14px; }

  .topbar,
  .panel-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .top-actions,
  .output-actions { width: 100%; }

  .status-pill { flex: 1; }

  .inline-fields { grid-template-columns: 1fr; }
  .image-agent-controls,
  .image-agent-composer,
  .image-edit-tools { grid-template-columns: 1fr; }
  .image-agent-send {
    width: 46px;
    justify-self: end;
  }
}

/* === 待审核知识管道 ========================================================= */
.pending-head-actions {
  display: flex;
  align-items: center;
  gap: var(--s-2);
  flex-wrap: wrap;
}
.upload-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: var(--r-md);
  border: 1px solid var(--c-line-strong);
  color: var(--c-text-soft);
  font-size: var(--fs-sm);
  cursor: pointer;
  transition: background var(--t-fast), color var(--t-fast);
}
.upload-label:hover {
  background: var(--c-panel-2);
  color: var(--c-text);
}
.upload-label i { width: 14px; height: 14px; }

.compact-select {
  padding: 5px 8px;
  border-radius: var(--r-sm);
  border: 1px solid var(--c-line-strong);
  background: var(--c-panel);
  color: var(--c-text);
  font-size: var(--fs-sm);
}

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

.pending-list {
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
  margin-top: var(--s-4);
  overflow-y: auto;
  max-height: 420px;
  padding-bottom: var(--s-4);
}
.pending-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--s-3);
  padding: var(--s-6) 0;
  color: var(--c-text-muted);
  font-size: var(--fs-sm);
}
.pending-empty i { width: 32px; height: 32px; opacity: 0.4; }

.pending-item {
  background: var(--c-panel);
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  padding: var(--s-4);
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
  transition: border-color var(--t-fast);
}
.pending-item:hover { border-color: var(--c-line-strong); }

.pending-item-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--s-2);
  flex-wrap: wrap;
}
.pending-item-title {
  font-size: var(--fs-md);
  font-weight: 600;
  color: var(--c-text);
  flex: 1;
}
.pending-item-meta {
  display: flex;
  align-items: center;
  gap: var(--s-2);
  font-size: var(--fs-xs);
  color: var(--c-text-muted);
  flex-shrink: 0;
}

.source-tag {
  padding: 2px 7px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
}
.source-tag--ai-generated {
  background: rgba(25, 192, 255, 0.12);
  color: var(--c-blue);
}
.source-tag--user-upload {
  background: rgba(103, 194, 58, 0.12);
  color: var(--c-green);
}

.pending-item-preview {
  font-size: var(--fs-sm);
  color: var(--c-text-soft);
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.pending-item-actions {
  display: flex;
  align-items: center;
  gap: var(--s-2);
  flex-wrap: wrap;
  margin-top: var(--s-1);
}
.pending-approve-row {
  display: flex;
  align-items: center;
  gap: var(--s-1);
  margin-left: auto;
}

.pending-target-pill {
  min-height: 34px;
  padding: 0 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--c-line);
  border-radius: var(--r-sm);
  background: rgba(255, 255, 255, 0.035);
  color: var(--c-text-muted);
  font-size: 12px;
  font-weight: 700;
}

.primary-button.small,
.ghost-button.small {
  padding: 4px 10px;
  font-size: var(--fs-xs);
  gap: 4px;
}
.primary-button.small i,
.ghost-button.small i { width: 12px; height: 12px; }
.ghost-button.danger { color: var(--c-red); }
.ghost-button.danger:hover { background: rgba(255, 122, 122, 0.1); }

.logout-button {
  width: 100%;
  margin-top: 4px;
  color: #86868b;
  border-color: #3a3a3c;
}
.logout-button:hover {
  color: #ff453a;
  border-color: #ff453a;
  background: rgba(255, 69, 58, 0.08);
}

.pending-item-fulltext {
  margin-top: var(--s-2);
  padding: var(--s-3);
  background: var(--c-bg-2);
  border-radius: var(--r-sm);
  font-size: var(--fs-xs);
  color: var(--c-text-soft);
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 300px;
  overflow-y: auto;
  border: 1px solid var(--c-line);
}

.archived-editor {
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
  margin-top: var(--s-4);
  padding: var(--s-4);
  background: var(--c-panel);
  border: 1px solid var(--c-line-strong);
  border-radius: var(--r-lg);
}

.archived-editor-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-3);
}

.archived-editor textarea {
  width: 100%;
  min-height: 260px;
  resize: vertical;
  line-height: 1.55;
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
}

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

/* === Hermes Tool Cards ==================================================== */
.hermes-tool-cards {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 6px;
}

.hermes-tool-card {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  /* 1px 全边框 + 左边加粗到 3px */
  border: 1px solid rgba(110, 110, 240, 0.2);
  border-left-width: 3px;
  border-radius: 4px;
  background: #1e1e28;
  font-size: 12px;
  color: #8b8b9a;
  line-height: 1.4;
}

.hermes-tool-card--running {
  border-left-color: var(--c-gold-soft);
  color: var(--c-text-soft);
}

.hermes-tool-card--done {
  border-left-color: #4caf6a;
  color: var(--c-text-muted);
}

.hermes-tool-card--error {
  border-left-color: var(--c-red);
  color: var(--c-text-muted);
}

.hermes-tool-icon { flex-shrink: 0; font-size: 13px; }

.hermes-tool-label strong {
  font-weight: 600;
  color: var(--c-text-soft);
}

/* 对话气泡里的文档链接卡 */
.hermes-doc-link-card {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  margin-top: 6px;
  background: #1a1d2e;
  border: 1px solid rgba(110,110,240,.3);
  border-radius: 8px;
  font-size: 13px;
}
.hermes-doc-link-icon { flex-shrink: 0; }
.hermes-doc-link {
  background: none;
  border: none;
  padding: 0;
  color: var(--c-accent);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 2px;
}
.hermes-doc-link:hover { color: var(--c-accent-soft); }
.hermes-doc-hint {
  color: var(--c-text-muted);
  font-size: 11px;
  margin-left: 2px;
}

/* === VIEWPORT NO-SCROLL PASS (2026-05-15) ==============================
 * AI-web layout: fixed browser viewport, fixed rail, internal panes scroll
 * without visible scrollbars.
 * ===================================================================== */
html,
body {
  width: 100%;
  height: 100dvh;
  max-height: 100dvh;
  min-height: 0;
  overflow: hidden;
}

body {
  overflow: hidden !important;
}

.app-shell {
  height: 100dvh;
  min-height: 0;
  max-height: 100dvh;
  overflow: hidden;
}

.rail {
  position: relative;
  height: 100dvh;
  min-height: 0;
  max-height: 100dvh;
  overflow: hidden;
}

.tool-nav {
  min-height: 0;
  overflow: auto;
}

.workspace {
  height: 100dvh;
  min-height: 0;
  max-height: 100dvh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.topbar,
.config-strip {
  flex: 0 0 auto;
}

.tool-grid {
  flex: 1 1 auto;
  min-height: 0;
  overflow: hidden;
  align-items: stretch;
}

.tool-panel,
.output-panel,
.debug-panel {
  min-height: 0;
  max-height: 100%;
  overflow: hidden;
}

.tool-panel.active {
  min-height: 0;
}

.field-stack,
.debug-box {
  min-height: 0;
  max-height: 100%;
  overflow: auto;
}

.result-box {
  min-height: 0;
  max-height: calc(100dvh - 310px);
  overflow: auto;
}

.result-empty,
.result-progress {
  min-height: min(420px, calc(100dvh - 330px));
}

.image-agent-panel.active {
  display: flex;
  flex-direction: column;
}

.image-agent-form {
  min-height: 0;
  overflow: hidden;
}

.image-agent-log {
  min-height: 0;
  overflow: auto;
}

#tool-tianti.active,
#tool-jifen.active,
#tool-kaixiang.active,
#tool-suite.active {
  height: calc(100dvh - 220px);
  min-height: 0;
}

.hermes-panel {
  height: calc(100dvh - 220px);
  min-height: 0;
  max-height: none;
}

.hermes-chat,
.hermes-sidebar,
.hermes-conv-list,
.hermes-messages {
  min-height: 0;
}

.hermes-conv-list,
.hermes-messages,
.hermes-input-row textarea,
.settings-drawer-body,
.pending-list,
.pending-item-fulltext,
.archived-editor textarea,
.debug-context pre,
.debug-box,
.field-stack,
.image-agent-log,
.poster-scroll,
.result-box,
.workspace,
.tool-nav {
  scrollbar-width: none !important;
  -ms-overflow-style: none !important;
}

.hermes-conv-list::-webkit-scrollbar,
.hermes-messages::-webkit-scrollbar,
.hermes-input-row textarea::-webkit-scrollbar,
.settings-drawer-body::-webkit-scrollbar,
.pending-list::-webkit-scrollbar,
.pending-item-fulltext::-webkit-scrollbar,
.archived-editor textarea::-webkit-scrollbar,
.debug-context pre::-webkit-scrollbar,
.debug-box::-webkit-scrollbar,
.field-stack::-webkit-scrollbar,
.image-agent-log::-webkit-scrollbar,
.poster-scroll::-webkit-scrollbar,
.result-box::-webkit-scrollbar,
.workspace::-webkit-scrollbar,
.tool-nav::-webkit-scrollbar {
  width: 0 !important;
  height: 0 !important;
  display: none !important;
}

@media (max-width: 860px) {
  .app-shell {
    grid-template-rows: auto minmax(0, 1fr);
    height: 100dvh;
  }

  .rail {
    height: 54px;
    max-height: 54px;
  }

  .workspace {
    height: calc(100dvh - 54px);
    max-height: calc(100dvh - 54px);
  }

  .topbar {
    min-height: 112px;
  }

  .tool-grid {
    min-height: 0;
  }

  .hermes-panel,
  #tool-tianti.active,
  #tool-jifen.active,
  #tool-kaixiang.active {
    height: calc(100dvh - 210px);
  }

  .poster-native-shell {
    grid-template-columns: 1fr;
    grid-template-rows: minmax(0, 0.52fr) minmax(220px, 0.48fr);
  }

  .poster-control-pane {
    border-right: none;
    border-bottom: 1px solid var(--c-line);
  }

  .poster-pane-head {
    padding: 14px 16px 10px;
  }

  .poster-scroll {
    padding: 12px 16px;
  }

  .poster-sticky-actions {
    padding: 12px 16px;
  }

  .poster-stage-head {
    min-height: 56px;
    padding: 10px 14px;
  }

  .poster-stage-status {
    justify-content: flex-start;
  }

  .poster-stat,
  .poster-status {
    max-width: 100%;
  }

  .poster-canvas-wrap {
    padding: 12px;
  }
}

@media (max-width: 620px) {
  .topbar {
    min-height: 96px;
  }

  .hermes-panel,
  #tool-tianti.active,
  #tool-jifen.active,
  #tool-kaixiang.active {
    height: calc(100dvh - 190px);
  }

  .poster-segment,
  .poster-style-grid,
  .poster-upload-grid,
  .poster-action-row,
  .poster-sticky-actions {
    grid-template-columns: 1fr;
  }

  .poster-textarea {
    min-height: 160px;
  }
}