/* Local Chat / Story Reel themes
   Two opt-in visual skins. They reuse the production DOM and JS feature set. */

:root[data-theme="story-warm"] {
  color-scheme: light;
  --bg: #e9e4de;
  --surface: #fcfaf7;
  --elevated: #f4f0eb;
  --glass: rgba(252, 250, 247, .92);
  --glass-strong: rgba(252, 250, 247, .97);
  --glass-border: rgba(71, 58, 49, .13);
  --label: #211d1a;
  --label-2: #6c645d;
  --label-3: #968b80;
  --accent: #a84d37;
  --accent-press: #8d3e2d;
  --bubble-user: #e1dbd4;
  --bubble-user-text: #211d1a;
  --bubble-bot: transparent;
  --bubble-bot-text: #211d1a;
  --bubble-bot-border: transparent;
  --field-bg: #e1dbd4;
  --field-border: #c9c0b7;
  --separator: #d3cbc2;
  --danger: #a33c35;
  --success: #52704f;
  --warning: #9b681f;
  --story-canvas: #e9e4de;
  --story-panel: #fcfaf7;
  --story-soft: #e1dbd4;
  --story-line: #c9c0b7;
  --story-line-strong: #968b80;
  --story-signal-soft: #f3e5e0;
  --story-on-signal: #fff8f3;
  --story-image-bg: #201b18;
  --story-shadow-panel: 0 0 0 1px rgba(42, 33, 27, .045), 0 10px 28px rgba(45, 34, 27, .065);
  --story-shadow-image: 0 0 0 1px rgba(42, 33, 27, .05), 0 12px 30px rgba(45, 34, 27, .12);
  --story-shadow-dock: 0 -8px 28px rgba(43, 34, 28, .055);
  --shadow-sm: 0 1px 4px rgba(45, 34, 27, .07);
  --shadow-md: 0 8px 24px rgba(45, 34, 27, .10);
  --shadow-lg: 0 20px 56px rgba(45, 34, 27, .18);
}

:root[data-theme="story-dark"] {
  color-scheme: dark;
  --bg: #050506;
  --surface: #0d0c0f;
  --elevated: #151318;
  --glass: rgba(13, 12, 15, .92);
  --glass-strong: rgba(13, 12, 15, .97);
  --glass-border: rgba(242, 238, 245, .075);
  --label: #f2eef5;
  --label-2: #aaa2ae;
  --label-3: #6f6874;
  --accent: #a579e5;
  --accent-press: #b994ef;
  --bubble-user: #211c26;
  --bubble-user-text: #f2eef5;
  --bubble-bot: transparent;
  --bubble-bot-text: #f2eef5;
  --bubble-bot-border: transparent;
  --field-bg: #151318;
  --field-border: #2c2830;
  --separator: #2c2830;
  --danger: #ff6961;
  --success: #72b679;
  --warning: #d4a85d;
  --story-canvas: #050506;
  --story-panel: #0d0c0f;
  --story-soft: #151318;
  --story-line: #2c2830;
  --story-line-strong: #554d5c;
  --story-signal-soft: #251a31;
  --story-on-signal: #09070c;
  --story-image-bg: #030304;
  --story-shadow-panel: 0 0 0 1px rgba(255, 255, 255, .07), 0 14px 34px rgba(0, 0, 0, .36);
  --story-shadow-image: 0 0 0 1px rgba(255, 255, 255, .065), 0 16px 38px rgba(0, 0, 0, .52);
  --story-shadow-dock: 0 -10px 34px rgba(0, 0, 0, .34);
  --shadow-sm: 0 1px 4px rgba(0, 0, 0, .34);
  --shadow-md: 0 8px 26px rgba(0, 0, 0, .42);
  --shadow-lg: 0 24px 70px rgba(0, 0, 0, .68);
}

:where(:root[data-theme="story-warm"], :root[data-theme="story-dark"]) {
  --radius-bubble: 12px;
  --radius-tail: 4px;
  --radius-card: 12px;
  --radius-modal: 18px;
  --radius-btn: 10px;
  --motion-fast: 150ms cubic-bezier(.22, 1, .36, 1);
  --motion-norm: 190ms cubic-bezier(.22, 1, .36, 1);
  --motion-slow: 220ms cubic-bezier(.22, 1, .36, 1);
}

:where([data-theme="story-warm"], [data-theme="story-dark"]) body {
  background: var(--story-canvas);
  font-size: 16px;
}

/* Compact editorial masthead. The legacy name stays untouched in every old theme. */
:where([data-theme="story-warm"], [data-theme="story-dark"]) body > header {
  min-height: 58px;
  padding: max(11px, calc(var(--safe-top) + 6px)) 18px 9px;
  align-items: center;
  background: var(--glass-strong);
  border-bottom: 1px solid var(--story-line);
  box-shadow: none;
  backdrop-filter: blur(18px) saturate(125%);
  -webkit-backdrop-filter: blur(18px) saturate(125%);
}
:where([data-theme="story-warm"], [data-theme="story-dark"]) body > header h1 {
  min-width: 146px;
  position: relative;
  font-size: 0;
  line-height: 1;
}
:where([data-theme="story-warm"], [data-theme="story-dark"]) body > header h1::before {
  content: "Local Chat";
  display: block;
  color: var(--label);
  font-size: 18px;
  font-weight: 760;
  letter-spacing: -.02em;
}
:where([data-theme="story-warm"], [data-theme="story-dark"]) body > header h1::after {
  content: "STORY REEL";
  display: block;
  margin-top: 5px;
  color: var(--label-2);
  font: 680 9px/1 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  letter-spacing: .18em;
}
:where([data-theme="story-warm"], [data-theme="story-dark"]) body > header h1 .sub { display: none; }
:where([data-theme="story-warm"], [data-theme="story-dark"]) body > header h1 .ver {
  position: absolute;
  left: 87px;
  bottom: -1px;
  display: none;
  margin: 0;
  color: var(--label-3);
  font-size: 8px;
  opacity: 1;
}
:where([data-theme="story-warm"], [data-theme="story-dark"]) #settings-btn {
  width: 38px;
  height: 38px;
  padding: 0;
  display: grid;
  place-items: center;
  border: 1px solid var(--story-line);
  border-radius: 10px;
  background: var(--story-panel);
  color: var(--label-2);
  box-shadow: var(--shadow-sm);
  transition: transform var(--motion-fast), color var(--motion-fast), border-color var(--motion-fast);
}
:where([data-theme="story-warm"], [data-theme="story-dark"]) #settings-btn:hover {
  color: var(--accent);
  border-color: color-mix(in srgb, var(--accent) 45%, var(--story-line));
  transform: translateY(-1px);
}

/* Quiet navigation: still the same three real tabs. */
:where([data-theme="story-warm"], [data-theme="story-dark"]) .tabs {
  top: 58px;
  gap: 2px;
  padding: 5px 18px;
  background: var(--story-panel);
  border-bottom: 1px solid var(--story-line);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}
:where([data-theme="story-warm"], [data-theme="story-dark"]) .tab {
  flex: 0 0 auto;
  min-width: 74px;
  padding: 8px 14px;
  border-radius: 8px;
  color: var(--label-2);
  font-size: 13px;
  font-weight: 650;
  transition: transform var(--motion-fast), background var(--motion-norm), color var(--motion-norm);
}
:where([data-theme="story-warm"], [data-theme="story-dark"]) .tab.active {
  background: var(--story-signal-soft);
  color: var(--accent);
  box-shadow: inset 0 -2px var(--accent);
}
:where([data-theme="story-warm"], [data-theme="story-dark"]) .fab-main,
:where([data-theme="story-warm"], [data-theme="story-dark"]) .fab-sub {
  transition-duration: 180ms !important;
}
:where([data-theme="story-warm"], [data-theme="story-dark"]) .fab-sub {
  transition-delay: 0ms !important;
}

/* Main reel: one scroll container, image left and its owning message right. */
:where([data-theme="story-warm"], [data-theme="story-dark"]) #tab-chat {
  background: var(--story-canvas);
}
:where([data-theme="story-warm"], [data-theme="story-dark"]) #chat-log {
  gap: 0;
  padding-top: 10px;
  padding-bottom: 26px;
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: var(--story-line-strong) transparent;
}
:where([data-theme="story-warm"], [data-theme="story-dark"]) .chat-turn-row {
  position: relative;
  grid-template-columns: minmax(0, var(--chat-image-rail-width, clamp(300px, 25vw, 380px))) 38px minmax(0, 680px);
  padding: 6px 0 20px;
}
:where([data-theme="story-warm"], [data-theme="story-dark"]) .chat-image-lane {
  position: relative;
  gap: 12px;
}
:where([data-theme="story-warm"], [data-theme="story-dark"]) .chat-image-lane .bubble-wrap.image-only {
  position: relative;
  margin-top: 0;
  padding-left: 10px;
}
:where([data-theme="story-warm"], [data-theme="story-dark"]) .chat-image-lane .bubble-wrap.image-only::before {
  content: "";
  position: absolute;
  z-index: 2;
  left: 3px;
  top: 12px;
  bottom: 12px;
  width: 3px;
  border-radius: 999px;
  background: repeating-linear-gradient(to bottom, var(--story-line-strong) 0 3px, transparent 3px 10px);
  opacity: .82;
}
:where([data-theme="story-warm"], [data-theme="story-dark"]) .chat-image-lane .bubble.image-only img.chat-inline-img {
  display: block;
  border: 1px solid color-mix(in srgb, var(--story-line-strong) 45%, var(--story-line));
  border-radius: 10px;
  background: var(--story-image-bg);
  box-shadow: var(--story-shadow-image);
  transition: transform var(--motion-slow), border-color var(--motion-norm);
}
:where([data-theme="story-warm"], [data-theme="story-dark"]) .chat-image-lane .bubble.image-only img.chat-inline-img:hover {
  transform: scale(1.006);
  border-color: color-mix(in srgb, var(--accent) 56%, var(--story-line));
}
:where([data-theme="story-warm"], [data-theme="story-dark"]) .chat-image-connector {
  min-height: 60px;
}
:where([data-theme="story-warm"], [data-theme="story-dark"]) .chat-turn-row.has-image .chat-image-connector::before {
  left: 7px;
  right: 7px;
  top: 29px;
  background: var(--story-line-strong);
  opacity: .72;
}
:where([data-theme="story-warm"], [data-theme="story-dark"]) .chat-turn-row.has-image .chat-image-connector::after {
  right: 4px;
  top: 26px;
  background: var(--accent);
  box-shadow: 0 0 0 3px var(--story-signal-soft);
}

/* Conversation is the focus: assistant body, tools and directions form one calm card. */
:where([data-theme="story-warm"], [data-theme="story-dark"]) .chat-message-lane .bubble-wrap.bot {
  width: 100%;
  max-width: 100%;
  margin-top: 0;
  align-items: stretch;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--story-line-strong) 26%, var(--story-line));
  border-radius: 12px;
  background: var(--story-panel);
  box-shadow: var(--story-shadow-panel);
  transition: transform var(--motion-norm), border-color var(--motion-norm), box-shadow var(--motion-norm);
}
:where([data-theme="story-warm"], [data-theme="story-dark"]) .chat-message-lane .bubble-wrap.bot:hover,
:where([data-theme="story-warm"], [data-theme="story-dark"]) .chat-message-lane .bubble-wrap.bot:focus-within {
  border-color: color-mix(in srgb, var(--accent) 42%, var(--story-line));
  transform: translateY(-1px);
}
:where([data-theme="story-warm"], [data-theme="story-dark"]) .bubble.bot {
  width: 100%;
  max-width: 100%;
  padding: 15px 16px 14px;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: var(--bubble-bot-text);
  font-size: 15px;
  line-height: 1.74;
  animation-duration: var(--motion-norm);
}
:where([data-theme="story-warm"], [data-theme="story-dark"]) .chat-message-lane .bubble-wrap.user {
  max-width: min(78%, 520px);
  margin-top: 2px;
}
:where([data-theme="story-warm"], [data-theme="story-dark"]) .bubble.user {
  padding: 9px 12px;
  border: 1px solid color-mix(in srgb, var(--story-line-strong) 22%, transparent);
  border-radius: 12px 12px 4px 12px;
  background: var(--bubble-user);
  color: var(--bubble-user-text);
  box-shadow: none;
  font-size: 14px;
  line-height: 1.58;
}
:where([data-theme="story-warm"], [data-theme="story-dark"]) .bubble-toolbar {
  width: auto;
  min-height: 38px;
  margin: 0 14px;
  padding: 5px 0 6px;
  gap: 2px;
  border-top: 1px solid var(--story-line);
  opacity: 1;
}
:where([data-theme="story-warm"], [data-theme="story-dark"]) .bubble-wrap.user .bubble-toolbar {
  margin: 3px 0 0 auto;
  padding: 2px 0;
  border: 0;
}
:where([data-theme="story-warm"], [data-theme="story-dark"]) .bubble-tool {
  min-width: 28px;
  height: 28px;
  padding: 5px 7px;
  border: 0;
  border-radius: 7px;
  background: transparent;
  color: var(--label-2);
}
:where([data-theme="story-warm"], [data-theme="story-dark"]) .bubble-tool.regen {
  border: 0;
  background: transparent;
  color: var(--accent);
}
:where([data-theme="story-warm"], [data-theme="story-dark"]) .bubble-tool:hover,
:where([data-theme="story-warm"], [data-theme="story-dark"]) .bubble-tool.regen:hover {
  border: 0;
  background: var(--story-signal-soft);
  color: var(--accent);
  transform: translateY(-1px);
}
:where([data-theme="story-warm"], [data-theme="story-dark"]) .swipe-nav {
  height: 28px;
  margin-right: 2px;
  padding: 0 5px 0 0;
  border: 0;
  border-right: 1px solid var(--story-line);
  border-radius: 0;
  background: transparent;
}
:where([data-theme="story-warm"], [data-theme="story-dark"]) .swipe-arrow,
:where([data-theme="story-warm"], [data-theme="story-dark"]) .swipe-count { color: var(--accent); }

/* Exactly the production three automatic directions, restyled instead of reimplemented. */
:where([data-theme="story-warm"], [data-theme="story-dark"]) .bubble-choices {
  margin: 0;
  padding: 8px 12px 12px;
  gap: 6px;
  border-top: 1px solid var(--story-line);
  animation-duration: var(--motion-slow);
}
:where([data-theme="story-warm"], [data-theme="story-dark"]) .choice-chip {
  min-height: 43px;
  position: relative;
  padding: 9px 31px 9px 27px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: var(--story-soft);
  color: var(--label);
  box-shadow: none;
  font-size: 12.5px;
  font-weight: 570;
  line-height: 1.52;
}
:where([data-theme="story-warm"], [data-theme="story-dark"]) .choice-chip::before {
  content: "";
  width: 5px;
  height: 5px;
  position: absolute;
  left: 11px;
  top: 50%;
  margin: 0;
  border-radius: 50%;
  background: color-mix(in srgb, var(--accent) 74%, var(--story-line));
  transform: translateY(-50%);
}
:where([data-theme="story-warm"], [data-theme="story-dark"]) .choice-chip::after {
  content: "↗";
  position: absolute;
  right: 11px;
  color: var(--label-2);
}
:where([data-theme="story-warm"], [data-theme="story-dark"]) .choice-chip:hover {
  border-color: color-mix(in srgb, var(--accent) 34%, var(--story-line));
  background: var(--story-signal-soft);
  color: var(--label);
  box-shadow: none;
  transform: translateX(2px);
}

/* Character context stays available; the duplicate picker CTA is removed only in these themes. */
:where([data-theme="story-warm"], [data-theme="story-dark"]) .active-char-row {
  min-height: 54px;
  gap: 9px;
  margin-bottom: 4px;
  padding: 6px 4px;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}
:where([data-theme="story-warm"], [data-theme="story-dark"]) .ac-avatar {
  width: 38px;
  height: 38px;
  flex-basis: 38px;
  border: 1px solid color-mix(in srgb, var(--accent) 34%, var(--story-line));
  border-radius: 9px;
  box-shadow: none;
  cursor: pointer;
}
:where([data-theme="story-warm"], [data-theme="story-dark"]) .ac-label {
  color: var(--label-2);
  font-size: 9px;
  font-weight: 650;
  letter-spacing: .09em;
}
:where([data-theme="story-warm"], [data-theme="story-dark"]) .ac-name {
  font-size: 15px;
  font-weight: 690;
}
:where([data-theme="story-warm"], [data-theme="story-dark"]) .ac-name::after {
  content: "⌄";
  margin-left: 6px;
  color: var(--label-3);
  font-size: 11px;
  font-weight: 600;
}
:where([data-theme="story-warm"], [data-theme="story-dark"]) .ac-info[role="button"] { cursor: pointer; }
:where([data-theme="story-warm"], [data-theme="story-dark"]) .ac-info[role="button"]:hover .ac-name { color: var(--accent); }
:where([data-theme="story-warm"], [data-theme="story-dark"]) .ac-info[role="button"]:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
:where([data-theme="story-warm"], [data-theme="story-dark"]) #open-char-picker { display: none !important; }
:where([data-theme="story-warm"], [data-theme="story-dark"]) .ac-icon,
:where([data-theme="story-warm"], [data-theme="story-dark"]) .chat-more > summary {
  width: 32px;
  height: 32px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--label-2);
}
:where([data-theme="story-warm"], [data-theme="story-dark"]) .ac-icon:hover,
:where([data-theme="story-warm"], [data-theme="story-dark"]) .chat-more > summary:hover {
  background: var(--story-signal-soft);
  color: var(--accent);
}

/* One-piece composer. Hide only the redundant input-level image shortcut. */
:where([data-theme="story-warm"], [data-theme="story-dark"]) #cc-imagegen { display: none !important; }
:where([data-theme="story-warm"], [data-theme="story-dark"]) .input-toolbar {
  min-height: 40px;
  margin-top: 0;
  padding: 6px 7px 3px;
  gap: 6px;
  border: 1px solid var(--story-line);
  border-bottom: 0;
  border-radius: 15px 15px 0 0;
  background: var(--story-panel);
  box-shadow: var(--story-shadow-dock);
}
:where([data-theme="story-warm"], [data-theme="story-dark"]) .imode-seg {
  gap: 1px;
  padding: 2px;
  border-radius: 9px;
  background: var(--story-soft);
}
:where([data-theme="story-warm"], [data-theme="story-dark"]) .imode-btn {
  min-height: 30px;
  padding: 5px 9px;
  border-radius: 7px;
  color: var(--label-2);
  font-size: 0;
}
:where([data-theme="story-warm"], [data-theme="story-dark"]) .imode-btn::after { font-size: 12px; }
:where([data-theme="story-warm"], [data-theme="story-dark"]) .imode-btn[data-imode="say"]::after { content: "说"; }
:where([data-theme="story-warm"], [data-theme="story-dark"]) .imode-btn[data-imode="do"]::after { content: "做"; }
:where([data-theme="story-warm"], [data-theme="story-dark"]) .imode-btn[data-imode="story"]::after { content: "旁白"; }
:where([data-theme="story-warm"], [data-theme="story-dark"]) .imode-btn.active {
  background: var(--story-panel);
  color: var(--accent);
  box-shadow: var(--shadow-sm);
}
:where([data-theme="story-warm"], [data-theme="story-dark"]) #cc-expand-input,
:where([data-theme="story-warm"], [data-theme="story-dark"]) #cc-undo-input {
  height: 30px !important;
  padding: 0 8px !important;
  border: 0 !important;
  border-radius: 7px !important;
  background: transparent !important;
  color: var(--label-2) !important;
  box-shadow: none !important;
  font-size: 12px !important;
  font-weight: 620 !important;
}
:where([data-theme="story-warm"], [data-theme="story-dark"]) #cc-expand-input:hover,
:where([data-theme="story-warm"], [data-theme="story-dark"]) #cc-undo-input:hover:not(:disabled) {
  background: var(--story-signal-soft) !important;
  color: var(--accent) !important;
}
:where([data-theme="story-warm"], [data-theme="story-dark"]) .chat-input {
  margin: 0;
  padding: 3px 7px 7px;
  gap: 6px;
  border: 1px solid var(--story-line);
  border-top: 0;
  border-radius: 0 0 15px 15px;
  background: var(--story-panel);
}
:where([data-theme="story-warm"], [data-theme="story-dark"]) .chat-input textarea {
  min-height: 44px;
  padding: 11px 13px;
  border: 1px solid transparent;
  border-radius: 10px;
  background: var(--story-soft);
  color: var(--label);
  font-size: 14px;
  line-height: 1.5;
}
:where([data-theme="story-warm"], [data-theme="story-dark"]) .chat-input textarea:focus {
  border-color: color-mix(in srgb, var(--accent) 65%, transparent);
  box-shadow: 0 0 0 2px var(--story-signal-soft);
}
:where([data-theme="story-warm"], [data-theme="story-dark"]) input::placeholder,
:where([data-theme="story-warm"], [data-theme="story-dark"]) textarea::placeholder {
  color: var(--label-2);
  opacity: .82;
}
:root[data-theme="story-warm"] #tab-chat > .iva-status-panel .iva-status-emoji {
  filter: grayscale(1) sepia(.72) saturate(2.5) hue-rotate(326deg);
}
:where([data-theme="story-warm"], [data-theme="story-dark"]) #chat-send {
  flex-basis: 42px;
  width: 42px;
  height: 42px;
  margin: 1px 0 0;
  border-radius: 11px;
  background: var(--accent);
  color: var(--story-on-signal);
  transition: transform var(--motion-fast), filter var(--motion-norm);
}
:where([data-theme="story-warm"], [data-theme="story-dark"]) #chat-send:hover {
  filter: brightness(1.06);
  transform: translateY(-1px);
}

/* Dialogs and settings inherit the palette but get the same restrained geometry. */
:where([data-theme="story-warm"], [data-theme="story-dark"]) dialog {
  border: 1px solid var(--story-line);
  background: var(--story-panel);
  color: var(--label);
  box-shadow: var(--shadow-lg);
}
:where([data-theme="story-warm"], [data-theme="story-dark"]) dialog::backdrop {
  background: color-mix(in srgb, var(--story-canvas) 72%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
:where([data-theme="story-warm"], [data-theme="story-dark"]) dialog[open] {
  animation: story-dialog-in var(--motion-slow) cubic-bezier(.22, 1, .36, 1) both;
}
@keyframes story-dialog-in {
  from { opacity: 0; transform: translateY(7px) scale(.993); filter: blur(2px); }
  to { opacity: 1; transform: translateY(0) scale(1); filter: blur(0); }
}
:where([data-theme="story-warm"], [data-theme="story-dark"]) #settings-dlg .set-side {
  border-right-color: var(--story-line);
  background: color-mix(in srgb, var(--story-soft) 48%, var(--story-panel));
}
:where([data-theme="story-warm"], [data-theme="story-dark"]) #settings-dlg .set-nav-btn {
  border-radius: 8px;
}
:where([data-theme="story-warm"], [data-theme="story-dark"]) #settings-dlg .set-nav-btn.active {
  background: var(--story-signal-soft);
  color: var(--accent);
  box-shadow: inset 2px 0 var(--accent);
}

/* Keep the image/message linkage at tablet widths; collapse only on phones. */
@media (min-width: 761px) and (max-width: 1199px) {
  :where([data-theme="story-warm"], [data-theme="story-dark"]) .fab-radial {
    left: max(12px, calc((100vw - min(1120px, calc(100vw - 36px))) / 2 + clamp(220px, 29vw, 292px) - 26px));
    right: auto;
  }
  :where([data-theme="story-warm"], [data-theme="story-dark"]) #tab-chat {
    max-width: 1120px;
    padding-inline: 18px;
    --story-tablet-image: clamp(220px, 29vw, 292px);
    --story-tablet-grid: calc(var(--story-tablet-image) + 30px + min(680px, calc(100vw - var(--story-tablet-image) - 66px)));
  }
  :where([data-theme="story-warm"], [data-theme="story-dark"]) .chat-turn-row {
    grid-template-columns: var(--story-tablet-image) 30px minmax(360px, 680px);
  }
  :where([data-theme="story-warm"], [data-theme="story-dark"]) .chat-image-lane { grid-column: 1; grid-row: 1; padding-top: 0; }
  :where([data-theme="story-warm"], [data-theme="story-dark"]) .chat-image-connector { display: block; grid-column: 2; grid-row: 1; }
  :where([data-theme="story-warm"], [data-theme="story-dark"]) .chat-image-connector { cursor: default; touch-action: auto; }
  :where([data-theme="story-warm"], [data-theme="story-dark"]) .chat-message-lane { grid-column: 3; grid-row: 1; }
  :where([data-theme="story-warm"], [data-theme="story-dark"]) #tab-chat > :not(#chat-log):not(#iva-status-panel) {
    width: min(680px, calc(100vw - var(--story-tablet-image) - 66px));
    max-width: 680px;
    margin-left: calc((100% - var(--story-tablet-grid)) / 2 + var(--story-tablet-image) + 30px);
    margin-right: auto;
  }
}

@media (max-width: 760px) {
  :where([data-theme="story-warm"], [data-theme="story-dark"]) .fab-radial {
    left: auto;
    right: 12px;
    bottom: calc(104px + env(safe-area-inset-bottom, 0px));
  }
  :where([data-theme="story-warm"], [data-theme="story-dark"]) #tab-chat > .iva-status-panel {
    left: calc(7px + clamp(88px, 28vw, 118px) / 2 - 28px);
    right: auto;
  }
  :where([data-theme="story-warm"], [data-theme="story-dark"]) body > header {
    min-height: 54px;
    padding: max(10px, calc(var(--safe-top) + 6px)) 12px 8px;
  }
  :where([data-theme="story-warm"], [data-theme="story-dark"]) .tabs {
    top: 54px;
    padding: 4px 8px;
  }
  :where([data-theme="story-warm"], [data-theme="story-dark"]) .tab {
    flex: 1;
    min-width: 0;
    padding: 7px 8px;
    font-size: 12px;
  }
  :where([data-theme="story-warm"], [data-theme="story-dark"]) .tab-content { padding: 8px 7px 8px; }
  :where([data-theme="story-warm"], [data-theme="story-dark"]) .active-char-row { min-height: 48px; padding: 3px 1px; }
  :where([data-theme="story-warm"], [data-theme="story-dark"]) .ac-avatar { width: 40px; height: 40px; flex-basis: 40px; }
  :where([data-theme="story-warm"], [data-theme="story-dark"]) .chat-turn-row {
    grid-template-columns: clamp(88px, 28vw, 118px) 18px minmax(0, 1fr);
    padding: 4px 0 18px;
  }
  :where([data-theme="story-warm"], [data-theme="story-dark"]) .chat-message-lane { grid-column: 3; grid-row: 1; }
  :where([data-theme="story-warm"], [data-theme="story-dark"]) .chat-image-lane { grid-column: 1; grid-row: 1; padding-top: 0; }
  :where([data-theme="story-warm"], [data-theme="story-dark"]) .chat-image-lane .bubble-wrap.image-only {
    width: 100%;
    margin: 0;
    padding-left: 8px;
  }
  :where([data-theme="story-warm"], [data-theme="story-dark"]) .chat-image-connector {
    display: block;
    grid-column: 2;
    grid-row: 1;
    min-height: 48px;
    cursor: default;
    pointer-events: none;
  }
  :where([data-theme="story-warm"], [data-theme="story-dark"]) .chat-turn-row.has-image .chat-image-connector::before {
    left: 2px;
    right: 2px;
    top: 24px;
  }
  :where([data-theme="story-warm"], [data-theme="story-dark"]) .chat-turn-row.has-image .chat-image-connector::after {
    right: 0;
    top: 21px;
  }
  :where([data-theme="story-warm"], [data-theme="story-dark"]) .bubble.bot {
    padding: 10px 9px 9px;
    font-size: 12.5px;
    line-height: 1.68;
  }
  :where([data-theme="story-warm"], [data-theme="story-dark"]) .bubble-toolbar {
    margin-inline: 8px;
    padding-block: 3px 4px;
    gap: 0;
  }
  :where([data-theme="story-warm"], [data-theme="story-dark"]) .bubble-tool { min-width: 30px; width: 30px; height: 30px; padding: 6px; }
  :where([data-theme="story-warm"], [data-theme="story-dark"]) .bubble-tool.regen { width: auto; padding-inline: 6px; }
  :where([data-theme="story-warm"], [data-theme="story-dark"]) .bubble-choices { padding: 6px; gap: 5px; }
  :where([data-theme="story-warm"], [data-theme="story-dark"]) .choice-chip {
    min-height: 44px;
    padding: 8px 24px 8px 21px;
    border-radius: 7px;
    font-size: 12px;
  }
  :where([data-theme="story-warm"], [data-theme="story-dark"]) .choice-chip::before { left: 8px; }
  :where([data-theme="story-warm"], [data-theme="story-dark"]) .choice-chip::after { right: 8px; }
  :where([data-theme="story-warm"], [data-theme="story-dark"]) .input-toolbar {
    min-height: 36px;
    padding: 5px 5px 2px;
    border-radius: 12px 12px 0 0;
  }
  :where([data-theme="story-warm"], [data-theme="story-dark"]) .imode-btn { min-height: 28px; padding: 4px 7px; font-size: 11px; }
  :where([data-theme="story-warm"], [data-theme="story-dark"]) #cc-expand-input,
  :where([data-theme="story-warm"], [data-theme="story-dark"]) #cc-undo-input {
    width: 30px;
    overflow: hidden;
    padding: 0 5px !important;
    color: transparent !important;
    font-size: 0 !important;
  }
  :where([data-theme="story-warm"], [data-theme="story-dark"]) #cc-expand-input::before { content: "✧"; color: var(--accent); font-size: 16px; }
  :where([data-theme="story-warm"], [data-theme="story-dark"]) #cc-undo-input::before { content: "↶"; color: var(--label-2); font-size: 16px; }
  :where([data-theme="story-warm"], [data-theme="story-dark"]) .chat-input { padding: 2px 5px 5px; border-radius: 0 0 12px 12px; }
  :where([data-theme="story-warm"], [data-theme="story-dark"]) .chat-input textarea { min-height: 42px; padding: 10px; font-size: 13px; }
  :where([data-theme="story-warm"], [data-theme="story-dark"]) #chat-send { width: 40px; height: 40px; flex-basis: 40px; }
}

@media (max-width: 360px) {
  :where([data-theme="story-warm"], [data-theme="story-dark"]) .fab-radial {
    left: auto;
    right: 12px;
  }
  :where([data-theme="story-warm"], [data-theme="story-dark"]) #tab-chat > .iva-status-panel {
    left: calc(7px + clamp(82px, 28vw, 96px) / 2 - 28px);
  }
  :where([data-theme="story-warm"], [data-theme="story-dark"]) .ac-label { display: none; }
  :where([data-theme="story-warm"], [data-theme="story-dark"]) .imode-btn { padding-inline: 6px; }
  :where([data-theme="story-warm"], [data-theme="story-dark"]) .io-actions { gap: 1px; }
  :where([data-theme="story-warm"], [data-theme="story-dark"]) .chat-turn-row {
    grid-template-columns: clamp(82px, 28vw, 96px) 15px minmax(0, 1fr);
  }
  :where([data-theme="story-warm"], [data-theme="story-dark"]) .bubble.bot { font-size: 12px; }
  :where([data-theme="story-warm"], [data-theme="story-dark"]) .choice-chip {
    min-height: 44px;
    padding: 7px 20px 7px 18px;
    font-size: 11.5px;
  }
}

/* styles.css has a deliberately high-specificity wide-screen alignment rule
   for the legacy 720px column. These selectors narrowly neutralize it for the
   three direct children that constitute the approved Story Reel stage. */
:where([data-theme="story-warm"], [data-theme="story-dark"]) #tab-chat > .active-char-row:not(#chat-log):not(#iva-status-panel) {
  width: min(var(--story-stage-width), calc(100% - 44px));
  max-width: none;
  margin-left: auto;
  margin-right: auto;
}

:where([data-theme="story-warm"], [data-theme="story-dark"]) #tab-chat > :is(.input-toolbar, .chat-input):not(#chat-log):not(#iva-status-panel) {
  width: min(1060px, calc(100% - 36px));
  max-width: none;
  margin-left: auto;
  margin-right: auto;
}

@media (max-width: 760px) {
  :where([data-theme="story-warm"], [data-theme="story-dark"]) #tab-chat > .active-char-row:not(#chat-log):not(#iva-status-panel) {
    width: calc(100% - 14px);
    margin-left: 7px;
    margin-right: 7px;
  }

  :where([data-theme="story-warm"], [data-theme="story-dark"]) #tab-chat > :is(.input-toolbar, .chat-input):not(#chat-log):not(#iva-status-panel) {
    width: calc(100% - 14px);
  }
}

@media (prefers-reduced-motion: reduce) {
  :where([data-theme="story-warm"], [data-theme="story-dark"]) *,
  :where([data-theme="story-warm"], [data-theme="story-dark"]) *::before,
  :where([data-theme="story-warm"], [data-theme="story-dark"]) *::after {
    animation: none !important;
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
  }
}

/* ========================================================================
   Story Reel v7 production shell

   Visual source of truth:
   E:/_iva_workspace/misc/localchat-redesign-spectrum-20260827/
   evidence/refine-v7-final-8873d7cedbf6

   The legacy product supplies data and actions only. The shell below keeps
   the approved sample's left rail / bottom rail, stage, character bar and
   one-piece composer instead of restyling the legacy top-tab layout.
   ======================================================================== */

.story-feature-grid,
.story-only-action { display: none; }

:where(:root[data-theme="story-warm"], :root[data-theme="story-dark"]) {
  --story-nav-width: 70px;
  --story-header-height: 60px;
  --story-composer-height: 82px;
  --story-stage-width: calc(clamp(280px, 25vw, 350px) + 42px + 680px);
  --story-input-action-reserve: 134px;
  --story-nav-bg: #1d1b1f;
  --story-nav-active: #302d33;
  --story-nav-ink: #eee9ef;
  --story-nav-muted: #aaa2ac;
}

:root[data-theme="story-dark"] {
  --story-nav-bg: #070609;
  --story-nav-active: #1c1722;
  --story-nav-ink: #f2eef5;
  --story-nav-muted: #8f8794;
}

:where([data-theme="story-warm"], [data-theme="story-dark"]) body {
  width: 100%;
  height: 100vh;
  height: 100dvh;
  display: grid;
  grid-template-columns: var(--story-nav-width) minmax(0, 1fr);
  grid-template-rows: var(--story-header-height) minmax(0, 1fr);
  overflow: hidden;
  background: var(--story-canvas);
}

/* Editorial masthead from the selected sample. */
:where([data-theme="story-warm"], [data-theme="story-dark"]) body > header {
  grid-column: 1 / -1;
  grid-row: 1;
  width: 100%;
  height: var(--story-header-height);
  min-height: var(--story-header-height);
  position: relative;
  inset: auto;
  z-index: 70;
  padding: 11px 18px 9px;
  align-items: center;
  justify-content: flex-start;
  background: color-mix(in srgb, var(--story-panel) 96%, transparent);
  border-bottom: 1px solid var(--story-line);
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

:where([data-theme="story-warm"], [data-theme="story-dark"]) body > header::after {
  content: "";
  width: 8px;
  height: 8px;
  position: absolute;
  right: 20px;
  top: 26px;
  border-radius: 50%;
  background: #75916d;
  box-shadow: 0 0 0 4px color-mix(in srgb, #75916d 16%, transparent);
}

:where([data-theme="story-warm"], [data-theme="story-dark"]) body > header h1 {
  min-width: 0;
}

:where([data-theme="story-warm"], [data-theme="story-dark"]) body > header h1::after {
  content: "03 / STORY REEL";
}

/* Desktop left rail: 对话 / 角色 / 图库 / 收藏 / 视频.
   Settings occupies the final rail cell. */
:where([data-theme="story-warm"], [data-theme="story-dark"]) .tabs {
  grid-column: 1;
  grid-row: 2;
  width: var(--story-nav-width);
  height: 100%;
  min-height: 0;
  position: relative;
  inset: auto;
  z-index: 60;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 2px;
  padding: 8px 6px 74px;
  overflow: hidden;
  background: var(--story-nav-bg);
  border: 0;
  border-right: 1px solid color-mix(in srgb, var(--story-nav-ink) 10%, transparent);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

:where([data-theme="story-warm"], [data-theme="story-dark"]) .tab {
  flex: 0 0 58px;
  width: 58px;
  min-width: 58px;
  height: 58px;
  padding: 7px 2px 6px;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 4px;
  border-radius: 0;
  background: transparent;
  color: var(--story-nav-muted);
  font-size: 0;
  box-shadow: none;
}

:where([data-theme="story-warm"], [data-theme="story-dark"]) .tab::before {
  content: "";
  width: 18px;
  height: 18px;
  display: block;
  background: currentColor;
  -webkit-mask-repeat: no-repeat;
  -webkit-mask-position: center;
  -webkit-mask-size: contain;
  mask-repeat: no-repeat;
  mask-position: center;
  mask-size: contain;
}

:where([data-theme="story-warm"], [data-theme="story-dark"]) .tab::after {
  display: block;
  color: currentColor;
  font-size: 12px;
  font-weight: 680;
  line-height: 1;
}

:where([data-theme="story-warm"], [data-theme="story-dark"]) .tab[data-tab="chat"]::before {
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M4 5.5h16v11H8l-4 3v-14Z' fill='none' stroke='black' stroke-width='1.8' stroke-linejoin='round'/%3E%3Cpath d='M8 9h8M8 12.5h6' stroke='black' stroke-width='1.8' stroke-linecap='round'/%3E%3C/svg%3E");
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M4 5.5h16v11H8l-4 3v-14Z' fill='none' stroke='black' stroke-width='1.8' stroke-linejoin='round'/%3E%3Cpath d='M8 9h8M8 12.5h6' stroke='black' stroke-width='1.8' stroke-linecap='round'/%3E%3C/svg%3E");
}
:where([data-theme="story-warm"], [data-theme="story-dark"]) .tab[data-tab="chat"]::after { content: "对话"; }

:where([data-theme="story-warm"], [data-theme="story-dark"]) .tab[data-tab="speak"]::before {
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Ccircle cx='12' cy='8' r='3.2' fill='none' stroke='black' stroke-width='1.8'/%3E%3Cpath d='M6.5 19c.6-3.1 2.6-5 5.5-5s4.9 1.9 5.5 5' fill='none' stroke='black' stroke-width='1.8' stroke-linecap='round'/%3E%3C/svg%3E");
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Ccircle cx='12' cy='8' r='3.2' fill='none' stroke='black' stroke-width='1.8'/%3E%3Cpath d='M6.5 19c.6-3.1 2.6-5 5.5-5s4.9 1.9 5.5 5' fill='none' stroke='black' stroke-width='1.8' stroke-linecap='round'/%3E%3C/svg%3E");
}
:where([data-theme="story-warm"], [data-theme="story-dark"]) .tab[data-tab="speak"]::after { content: "角色"; }

:where([data-theme="story-warm"], [data-theme="story-dark"]) .tab[data-tab="gen"]::before {
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Crect x='4' y='4.5' width='16' height='15' rx='1.5' fill='none' stroke='black' stroke-width='1.8'/%3E%3Ccircle cx='9' cy='9' r='1.5' fill='black'/%3E%3Cpath d='m6.5 17 4-4 2.5 2 2.2-2.2 2.8 4.2' fill='none' stroke='black' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Crect x='4' y='4.5' width='16' height='15' rx='1.5' fill='none' stroke='black' stroke-width='1.8'/%3E%3Ccircle cx='9' cy='9' r='1.5' fill='black'/%3E%3Cpath d='m6.5 17 4-4 2.5 2 2.2-2.2 2.8 4.2' fill='none' stroke='black' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}
:where([data-theme="story-warm"], [data-theme="story-dark"]) .tab[data-tab="gen"]::after { content: "图库"; }

:where([data-theme="story-warm"], [data-theme="story-dark"]) .tab[data-tab="favorites"]::before {
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='m12 3 2.75 5.57 6.15.9-4.45 4.33 1.05 6.12L12 17.03l-5.5 2.89 1.05-6.12L3.1 9.47l6.15-.9L12 3Z' fill='none' stroke='black' stroke-width='1.8' stroke-linejoin='round'/%3E%3C/svg%3E");
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='m12 3 2.75 5.57 6.15.9-4.45 4.33 1.05 6.12L12 17.03l-5.5 2.89 1.05-6.12L3.1 9.47l6.15-.9L12 3Z' fill='none' stroke='black' stroke-width='1.8' stroke-linejoin='round'/%3E%3C/svg%3E");
}
:where([data-theme="story-warm"], [data-theme="story-dark"]) .tab[data-tab="favorites"]::after { content: "收藏"; }

:where([data-theme="story-warm"], [data-theme="story-dark"]) .tab:hover {
  color: var(--story-nav-ink);
  background: color-mix(in srgb, var(--story-nav-ink) 6%, transparent);
}

:where([data-theme="story-warm"], [data-theme="story-dark"]) .tab.active {
  color: var(--story-nav-ink);
  background: var(--story-nav-active);
  box-shadow: inset 2px 0 var(--accent);
}

:where([data-theme="story-warm"], [data-theme="story-dark"]) #settings-btn {
  width: 58px;
  height: 62px;
  position: fixed;
  left: 6px;
  bottom: 6px;
  z-index: 65;
  padding: 6px 2px 5px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: var(--story-nav-muted);
  box-shadow: none;
}

:where([data-theme="story-warm"], [data-theme="story-dark"]) #settings-btn::after {
  content: "设置";
  font-size: 12px;
  font-weight: 680;
  line-height: 1;
}

:where([data-theme="story-warm"], [data-theme="story-dark"]) #settings-btn svg {
  width: 18px;
  height: 18px;
}

:where([data-theme="story-warm"], [data-theme="story-dark"]) #settings-btn:hover {
  border-color: transparent;
  background: color-mix(in srgb, var(--story-nav-ink) 6%, transparent);
  color: var(--story-nav-ink);
  transform: none;
}

/* The approved main stage is a full viewport work surface, not a centered
   legacy tab card. */
:where([data-theme="story-warm"], [data-theme="story-dark"]) main {
  grid-column: 2;
  grid-row: 2;
  width: 100%;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
}

:where([data-theme="story-warm"], [data-theme="story-dark"]) .tab-content {
  max-width: none;
  margin: 0;
}

:where([data-theme="story-warm"], [data-theme="story-dark"]) #tab-chat.active {
  width: 100%;
  max-width: none;
  height: 100%;
  min-height: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  grid-template-rows: 70px minmax(0, 1fr) var(--story-composer-height);
  overflow: hidden;
  background: var(--story-canvas);
}

:where([data-theme="story-warm"], [data-theme="story-dark"]) #tab-chat > .active-char-row {
  grid-column: 1;
  grid-row: 1;
  width: min(var(--story-stage-width), calc(100% - 44px));
  min-height: 52px;
  align-self: center;
  justify-self: center;
  margin: 0;
  margin-left: auto;
  margin-right: auto;
  max-width: none;
  padding: 4px 2px;
}

:where([data-theme="story-warm"], [data-theme="story-dark"]) .active-char-row .ac-info {
  flex: 0 1 auto;
}

:where([data-theme="story-warm"], [data-theme="story-dark"]) .active-char-row .ac-icon:first-of-type {
  margin-left: auto;
}

:where([data-theme="story-warm"], [data-theme="story-dark"]) .active-char-row > .ac-icon,
:where([data-theme="story-warm"], [data-theme="story-dark"]) .active-char-row > .chat-more {
  position: relative;
  z-index: 3;
}

:where([data-theme="story-warm"], [data-theme="story-dark"]) .active-char-row::after {
  content: "";
  width: 128px;
  height: 38px;
  position: absolute;
  right: 0;
  top: 7px;
  z-index: 0;
  border-radius: 10px;
  background: var(--story-panel);
  box-shadow: var(--shadow-sm);
}

:where([data-theme="story-warm"], [data-theme="story-dark"]) #chat-log {
  grid-column: 1;
  grid-row: 2;
  width: 100%;
  min-height: 0;
  padding: 8px 22px 24px;
  gap: 0;
  background: var(--story-canvas);
}

:where([data-theme="story-warm"], [data-theme="story-dark"]) .chat-turn-row {
  grid-template-columns: clamp(280px, 25vw, 350px) 42px minmax(430px, 680px);
  padding: 6px 0 24px;
}

:where([data-theme="story-warm"], [data-theme="story-dark"]) .chat-image-lane .bubble-wrap.image-only {
  margin-top: 0;
  padding-left: 0;
}

:where([data-theme="story-warm"], [data-theme="story-dark"]) .chat-image-lane .bubble-wrap.image-only::before {
  left: 4px;
  top: 10px;
  bottom: 10px;
  width: 3px;
  background: repeating-linear-gradient(to bottom, rgba(255,255,255,.74) 0 3px, transparent 3px 11px);
  mix-blend-mode: normal;
}

:where([data-theme="story-warm"], [data-theme="story-dark"]) .chat-image-lane .bubble.image-only img.chat-inline-img {
  border-radius: 10px;
  background: var(--story-image-bg);
  box-shadow: var(--story-shadow-image);
  object-fit: contain;
}

:where([data-theme="story-warm"], [data-theme="story-dark"]) .chat-turn-row.has-image .chat-image-connector::before {
  left: 6px;
  right: 6px;
  top: 27px;
}

:where([data-theme="story-warm"], [data-theme="story-dark"]) .chat-turn-row.has-image .chat-image-connector::after {
  right: 3px;
  top: 24px;
}

/* One-piece composer assembled from the existing production controls. */
:where([data-theme="story-warm"], [data-theme="story-dark"]) #tab-chat > .input-toolbar,
:where([data-theme="story-warm"], [data-theme="story-dark"]) #tab-chat > .chat-input {
  grid-column: 1;
  grid-row: 3;
  width: min(1060px, calc(100% - 36px));
  height: 62px;
  align-self: center;
  justify-self: center;
  margin: 0;
  margin-left: auto;
  margin-right: auto;
  max-width: none;
}

:where([data-theme="story-warm"], [data-theme="story-dark"]) .input-toolbar {
  z-index: 3;
  min-height: 62px;
  padding: 7px;
  flex-wrap: nowrap;
  gap: 6px;
  border: 0;
  border-radius: 15px;
  background: transparent;
  box-shadow: none;
  pointer-events: none;
}

:where([data-theme="story-warm"], [data-theme="story-dark"]) .input-toolbar > * {
  pointer-events: auto;
}

:where([data-theme="story-warm"], [data-theme="story-dark"]) .imode-seg {
  height: 48px;
  padding: 3px;
  gap: 1px;
  border-radius: 10px;
}

:where([data-theme="story-warm"], [data-theme="story-dark"]) .imode-btn {
  min-width: 30px;
  min-height: 42px;
  padding: 0 8px;
  border-radius: 8px;
  font-size: 0;
}

:where([data-theme="story-warm"], [data-theme="story-dark"]) .io-actions {
  height: 48px;
  margin-left: auto;
  margin-right: 48px;
  flex-wrap: nowrap;
  gap: 3px;
}

:where([data-theme="story-warm"], [data-theme="story-dark"]) #cc-expand-input,
:where([data-theme="story-warm"], [data-theme="story-dark"]) #cc-undo-input {
  height: 40px !important;
  min-width: 40px;
  padding: 0 9px !important;
  border-radius: 10px !important;
}

:where([data-theme="story-warm"], [data-theme="story-dark"]) .chat-input {
  z-index: 2;
  padding: 7px 7px 7px 122px;
  gap: 6px;
  align-items: center;
  border: 0;
  border-radius: 15px;
  background: var(--story-panel);
  box-shadow: 0 0 0 1px rgba(66, 53, 44, .07), 0 8px 24px rgba(66, 53, 44, .07);
}

:root[data-theme="story-dark"] .chat-input {
  box-shadow: 0 0 0 1px rgba(255, 255, 255, .075);
}

:where([data-theme="story-warm"], [data-theme="story-dark"]) .chat-input:focus-within {
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent) 72%, transparent), 0 8px 24px rgba(66, 53, 44, .07);
}

:where([data-theme="story-warm"], [data-theme="story-dark"]) .chat-input textarea {
  height: 48px;
  min-height: 48px;
  margin-right: var(--story-input-action-reserve);
  padding: 13px 14px;
  border: 0;
  border-radius: 10px;
  font-size: 16px;
}

:where([data-theme="story-warm"], [data-theme="story-dark"]) #chat-send {
  flex-basis: 42px;
  width: 42px;
  height: 42px;
  margin: 0;
}

:where([data-theme="story-warm"], [data-theme="story-dark"]) #tab-chat > .status,
:where([data-theme="story-warm"], [data-theme="story-dark"]) #fab-radial,
:where([data-theme="story-warm"], [data-theme="story-dark"]) #iva-status-panel[data-mode="ball"] {
  display: none !important;
}

:where([data-theme="story-warm"], [data-theme="story-dark"]) #objectives-bar:not([hidden]) {
  width: min(680px, calc(100% - 36px));
  max-height: calc(100% - 170px);
  position: absolute;
  top: 66px;
  right: max(18px, calc((100% - var(--story-stage-width)) / 2));
  z-index: 12;
  overflow: auto;
  box-shadow: var(--shadow-lg);
}

:where([data-theme="story-warm"], [data-theme="story-dark"]) .story-feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 3px;
  margin-top: 5px;
  padding-top: 5px;
  border-top: 1px solid var(--story-line);
}

:where([data-theme="story-warm"], [data-theme="story-dark"]) .story-only-action {
  display: flex;
}

:where([data-theme="story-warm"], [data-theme="story-dark"]) .chat-more-menu {
  max-height: min(72vh, 560px);
  overflow-y: auto;
}

/* The approved sample's mobile transformation: bottom navigation, compact
   character header and the same image/message rail rather than a shrunken
   legacy top-tab page. */
@media (max-width: 760px) {
  :where(:root[data-theme="story-warm"], :root[data-theme="story-dark"]) {
    --story-nav-width: 100%;
    --story-header-height: 54px;
    --story-composer-height: 70px;
    --story-stage-width: 100%;
  }

  :where([data-theme="story-warm"], [data-theme="story-dark"]) body {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: var(--story-header-height) minmax(0, 1fr) 70px;
  }

  :where([data-theme="story-warm"], [data-theme="story-dark"]) body > header {
    grid-column: 1;
    grid-row: 1;
    height: 54px;
    min-height: 54px;
    padding: 10px 12px 8px;
  }

  :where([data-theme="story-warm"], [data-theme="story-dark"]) body > header h1::before {
    font-size: 16px;
  }

  :where([data-theme="story-warm"], [data-theme="story-dark"]) body > header h1::after,
  :where([data-theme="story-warm"], [data-theme="story-dark"]) body > header::after {
    display: none;
  }

  :where([data-theme="story-warm"], [data-theme="story-dark"]) .tabs {
    grid-column: 1;
    grid-row: 3;
    width: 100%;
    height: 70px;
    position: relative;
    inset: auto;
    z-index: 65;
    flex-direction: row;
    align-items: stretch;
    gap: 0;
    padding: 0 25% 0 0;
    border: 0;
    border-top: 1px solid color-mix(in srgb, var(--story-nav-ink) 10%, transparent);
    border-right: 0;
  }

  :where([data-theme="story-warm"], [data-theme="story-dark"]) .tab {
    flex: 1 1 33.333%;
    width: auto;
    min-width: 0;
    height: 70px;
    padding: 8px 1px 7px;
    gap: 5px;
  }

  :where([data-theme="story-warm"], [data-theme="story-dark"]) .tab.active {
    box-shadow: inset 2px 0 var(--accent);
  }

  :where([data-theme="story-warm"], [data-theme="story-dark"]) #settings-btn {
    width: 25vw;
    height: 70px;
    left: auto;
    right: 0;
    bottom: 0;
    z-index: 68;
    padding: 8px 1px 7px;
  }

  :where([data-theme="story-warm"], [data-theme="story-dark"]) main {
    grid-column: 1;
    grid-row: 2;
  }

  :where([data-theme="story-warm"], [data-theme="story-dark"]) #tab-chat.active {
    grid-template-rows: 58px minmax(0, 1fr) 70px;
  }

  :where([data-theme="story-warm"], [data-theme="story-dark"]) #tab-chat > .active-char-row {
    width: calc(100% - 14px);
    min-height: 44px;
    margin: 0 7px;
    padding: 2px 0;
  }

  :where([data-theme="story-warm"], [data-theme="story-dark"]) .active-char-row::after {
    width: 96px;
    height: 36px;
    top: 4px;
  }

  :where([data-theme="story-warm"], [data-theme="story-dark"]) .active-char-row .ac-icon,
  :where([data-theme="story-warm"], [data-theme="story-dark"]) .active-char-row .chat-more > summary {
    width: 28px;
    height: 28px;
  }

  :where([data-theme="story-warm"], [data-theme="story-dark"]) .ac-avatar {
    width: 40px;
    height: 40px;
    flex-basis: 40px;
  }

  :where([data-theme="story-warm"], [data-theme="story-dark"]) #chat-log {
    padding: 6px 7px 18px;
  }

  :where([data-theme="story-warm"], [data-theme="story-dark"]) .chat-turn-row {
    grid-template-columns: clamp(94px, 27vw, 118px) 20px minmax(0, 1fr);
    padding: 5px 0 18px;
  }

  :where([data-theme="story-warm"], [data-theme="story-dark"]) .chat-image-lane .bubble-wrap.image-only {
    width: 100%;
    padding-left: 0;
  }

  :where([data-theme="story-warm"], [data-theme="story-dark"]) .chat-image-lane .bubble.image-only img.chat-inline-img {
    border-radius: 7px;
  }

  :where([data-theme="story-warm"], [data-theme="story-dark"]) .chat-turn-row.has-image .chat-image-connector::before {
    left: 3px;
    right: 3px;
    top: 22px;
  }

  :where([data-theme="story-warm"], [data-theme="story-dark"]) .chat-turn-row.has-image .chat-image-connector::after {
    right: 0;
    top: 19px;
  }

  :where([data-theme="story-warm"], [data-theme="story-dark"]) .bubble.bot {
    padding: 10px 10px 9px;
    font-size: 12px;
  }

  :where([data-theme="story-warm"], [data-theme="story-dark"]) .bubble-toolbar {
    min-height: 34px;
    margin-inline: 8px;
    padding: 3px 0 4px;
    gap: 0;
    flex-wrap: wrap;
  }

  :where([data-theme="story-warm"], [data-theme="story-dark"]) .bubble-tool {
    min-width: 25px;
    width: 25px;
    height: 26px;
    padding: 5px;
  }

  :where([data-theme="story-warm"], [data-theme="story-dark"]) .bubble-tool.regen {
    width: auto;
    padding-inline: 6px;
  }

  :where([data-theme="story-warm"], [data-theme="story-dark"]) .bubble-choices {
    padding: 7px;
  }

  :where([data-theme="story-warm"], [data-theme="story-dark"]) .choice-chip {
    min-height: 44px;
    padding: 8px 23px 8px 20px;
    font-size: 11.5px;
  }

  :where([data-theme="story-warm"], [data-theme="story-dark"]) #tab-chat > .input-toolbar,
  :where([data-theme="story-warm"], [data-theme="story-dark"]) #tab-chat > .chat-input {
    width: calc(100% - 14px);
    height: 58px;
  }

  :where([data-theme="story-warm"], [data-theme="story-dark"]) .input-toolbar {
    min-height: 58px;
    padding: 5px;
    gap: 4px;
    border-radius: 12px;
  }

  :where([data-theme="story-warm"], [data-theme="story-dark"]) .imode-seg {
    height: 48px;
  }

  :where([data-theme="story-warm"], [data-theme="story-dark"]) .imode-btn {
    min-width: 25px;
    min-height: 42px;
    padding: 0 5px;
    font-size: 0;
  }

  :where([data-theme="story-warm"], [data-theme="story-dark"]) .io-actions {
    height: 48px;
    margin-right: 39px;
    gap: 1px;
  }

  :where([data-theme="story-warm"], [data-theme="story-dark"]) #cc-expand-input,
  :where([data-theme="story-warm"], [data-theme="story-dark"]) #cc-undo-input {
    width: 34px;
    min-width: 34px;
    height: 38px !important;
    min-height: 38px;
    padding: 0 5px !important;
  }

  :where([data-theme="story-warm"], [data-theme="story-dark"]) .chat-input {
    padding: 5px 5px 5px 91px;
    border-radius: 12px;
  }

  :where([data-theme="story-warm"], [data-theme="story-dark"]) .chat-input textarea {
    height: 48px;
    min-height: 48px;
    margin-right: 66px;
    padding: 13px 10px;
    font-size: 16px;
  }

  :where([data-theme="story-warm"], [data-theme="story-dark"]) #chat-send {
    min-width: 36px;
    width: 36px;
    height: 38px;
    flex-basis: 36px;
  }

  :where([data-theme="story-warm"], [data-theme="story-dark"]) #objectives-bar:not([hidden]) {
    width: calc(100% - 14px);
    max-height: calc(100% - 136px);
    top: 55px;
    right: 7px;
  }
}

@media (max-width: 360px) {
  :where([data-theme="story-warm"], [data-theme="story-dark"]) .chat-turn-row {
    grid-template-columns: 78px 16px minmax(0, 1fr);
  }

  :where([data-theme="story-warm"], [data-theme="story-dark"]) .imode-btn {
    min-width: 23px;
    padding-inline: 4px;
  }

  :where([data-theme="story-warm"], [data-theme="story-dark"]) #cc-expand-input,
  :where([data-theme="story-warm"], [data-theme="story-dark"]) #cc-undo-input {
    min-width: 31px;
    width: 31px;
  }

  :where([data-theme="story-warm"], [data-theme="story-dark"]) .chat-input {
    padding-left: 88px;
  }

  :where([data-theme="story-warm"], [data-theme="story-dark"]) .chat-input textarea {
    margin-right: 60px;
  }
}

/* Mobile safe-area and dock alignment. This stays last so it wins over the
   compact sample rules above. */
@media (max-width: 760px) {
  :where(:root[data-theme="story-warm"], :root[data-theme="story-dark"]) {
    --story-header-height: max(54px, calc(var(--safe-top, 0px) + 54px));
  }

  /* The base page is a flex column.  Promote the story shell to an explicit
     three-row grid on mobile so the header, stage, and bottom rail cannot
     collapse into one flow column. */
  :root:is([data-theme="story-warm"], [data-theme="story-dark"]) body {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: var(--story-header-height) minmax(0, 1fr) 70px;
    height: 100dvh;
    overflow: hidden;
  }

  :root:is([data-theme="story-warm"], [data-theme="story-dark"]) body > main {
    grid-column: 1;
    grid-row: 2;
    min-height: 0;
    overflow: hidden;
  }

  :root:is([data-theme="story-warm"], [data-theme="story-dark"]) body > .tabs {
    grid-column: 1;
    grid-row: 3;
  }

  :where([data-theme="story-warm"], [data-theme="story-dark"]) body > header {
    height: var(--story-header-height);
    min-height: var(--story-header-height);
    padding-top: max(10px, calc(var(--safe-top, 0px) + 6px));
  }

  :where([data-theme="story-warm"], [data-theme="story-dark"]) #tab-chat.active {
    box-sizing: border-box;
    padding-right: 16px;
    padding-bottom: 0;
  }

  /* The empty-state helper is a visual overlay for the message stage.  Give
     it an explicit row so it cannot create an implicit fourth grid row that
     lifts the composer away from the bottom edge. */
  :where([data-theme="story-warm"], [data-theme="story-dark"]) #tab-chat > #chat-empty-hint {
    grid-column: 1;
    grid-row: 2;
    align-self: center;
    justify-self: center;
    z-index: 1;
  }

  :where([data-theme="story-warm"], [data-theme="story-dark"]) #tab-chat > .active-char-row,
  :where([data-theme="story-warm"], [data-theme="story-dark"]) #tab-chat > .input-toolbar,
  :where([data-theme="story-warm"], [data-theme="story-dark"]) #tab-chat > .chat-input {
    box-sizing: border-box;
    max-width: 100%;
  }

  :where([data-theme="story-warm"], [data-theme="story-dark"]) #tab-chat > .input-toolbar,
  :where([data-theme="story-warm"], [data-theme="story-dark"]) #tab-chat > .chat-input {
    width: 100%;
    margin-left: 0;
    margin-right: 0;
  }

  :where([data-theme="story-warm"], [data-theme="story-dark"]) .chat-input {
    margin-top: 8px;
    padding-bottom: max(10px, env(safe-area-inset-bottom, 0px));
  }
}

/* Final mobile geometry pass: keep the story shell symmetric at the viewport
   edges and make the fixed bottom rail independent of the page's grid flow. */
@media (max-width: 760px) {
  :root:is([data-theme="story-warm"], [data-theme="story-dark"]) body > .tabs {
    position: fixed;
    inset-inline: 0;
    bottom: 0;
    width: 100%;
    height: 70px;
    z-index: 65;
  }

  :root:is([data-theme="story-warm"], [data-theme="story-dark"]) #tab-chat.active {
    padding-inline: 0;
  }

  :root:is([data-theme="story-warm"], [data-theme="story-dark"]) #tab-chat > .active-char-row,
  :root:is([data-theme="story-warm"], [data-theme="story-dark"]) #tab-chat > .input-toolbar,
  :root:is([data-theme="story-warm"], [data-theme="story-dark"]) #tab-chat > .chat-input {
    width: calc(100% - 14px) !important;
    margin-left: 7px !important;
    margin-right: 7px !important;
  }

  :root:is([data-theme="story-warm"], [data-theme="story-dark"]) .active-char-row::after {
    width: 110px;
    height: 38px;
    top: 3px;
    right: 0;
  }

  :root:is([data-theme="story-warm"], [data-theme="story-dark"]) .active-char-row > #new-chat-btn,
  :root:is([data-theme="story-warm"], [data-theme="story-dark"]) .active-char-row > #open-history-btn,
  :root:is([data-theme="story-warm"], [data-theme="story-dark"]) .active-char-row > #chat-more {
    flex: 0 0 auto;
    position: relative;
    z-index: 3;
  }

  :root:is([data-theme="story-warm"], [data-theme="story-dark"]) .chat-input {
    padding-left: 106px;
  }

  :root:is([data-theme="story-warm"], [data-theme="story-dark"]) .io-actions {
    gap: 6px;
    margin-right: 39px;
  }

  :root:is([data-theme="story-warm"], [data-theme="story-dark"]) #cc-expand-input,
  :root:is([data-theme="story-warm"], [data-theme="story-dark"]) #cc-undo-input {
    width: 36px;
    min-width: 36px;
    height: 36px !important;
    min-height: 36px;
    padding: 0 !important;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--story-line) !important;
    border-radius: 10px !important;
    background: var(--story-soft) !important;
    color: var(--label-2) !important;
    font-size: 0 !important;
    line-height: 1;
    box-shadow: none !important;
  }

  :root:is([data-theme="story-warm"], [data-theme="story-dark"]) #cc-expand-input::before {
    content: "✦";
    color: var(--accent);
    font-size: 18px;
  }

  :root:is([data-theme="story-warm"], [data-theme="story-dark"]) #cc-undo-input::before {
    content: "↶";
    color: var(--label-2);
    font-size: 18px;
  }

  :root:is([data-theme="story-warm"], [data-theme="story-dark"]) #cc-undo-input:disabled {
    opacity: .55;
  }
}