/* ---------------------------------------------------------------- tokens */

:root {
  --bg: #fcfcfd;
  --surface: #ffffff;
  --raised: #f4f4f6;
  --line: #e6e6ea;
  --line-soft: #efeff2;
  --text: #15151a;
  --text-soft: #43434d;
  --muted: #71717f;
  --accent: #0d8f6f;
  --accent-soft: #0d8f6f14;
  --danger: #c0392b;

  /* Inter's own metrics; the stack degrades to the platform UI font offline. */
  /* Inter covers Latin. The rest of the chain carries Devanagari, Gurmukhi and
     Nastaliq, which Inter has no glyphs for, using fonts already on the system. */
  --sans: 'Inter', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto,
    'Noto Sans Devanagari', 'Noto Sans Gurmukhi', 'Noto Nastaliq Urdu',
    'Nirmala UI', 'Jameel Noori Nastaleeq', 'Urdu Typesetting', sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, 'SF Mono', 'Cascadia Mono', Consolas, monospace;

  --measure: 44rem;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(16, 16, 24, 0.04), 0 8px 24px -16px rgba(16, 16, 24, 0.18);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #131316;
    --surface: #1a1a1e;
    --raised: #232328;
    --line: #2b2b31;
    --line-soft: #232328;
    --text: #f0f0f3;
    --text-soft: #c7c7d1;
    --muted: #8e8e9c;
    --accent: #2dd4a7;
    --accent-soft: #2dd4a71a;
    --danger: #f87171;
    --warn: #fbbf24;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 24px -16px rgba(0, 0, 0, 0.6);
  }
}

* {
  box-sizing: border-box;
}

button {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  margin: 0;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}

.hidden {
  display: none !important;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  height: 100dvh;
  width: 100vw;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 15.5px;
  line-height: 1.68;
  font-feature-settings: 'cv05' 1, 'ss01' 1, 'calt' 1;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.app-layout {
  display: flex;
  height: 100dvh;
  width: 100vw;
  overflow: hidden;
  position: relative;
}

.chat-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  height: 100dvh;
  min-width: 0;
  overflow: hidden;
  position: relative;
}

/* ---------------------------------------------------------------- header */

header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 20px;
  height: 56px;
  flex-shrink: 0;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line-soft);
  position: sticky;
  top: 0;
  z-index: 5;
}

.brand-group {
  display: flex;
  align-items: center;
  gap: 10px;
}

header h1 {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.015em;
  margin: 0;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}

.status {
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--muted);
  padding: 3px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 50vw;
}
.status.good {
  color: var(--accent);
  background: var(--accent-soft);
  border-color: transparent;
}
.status.warn {
  color: var(--warn, #b45309);
  background: #b4530914;
  border-color: transparent;
}
.status.bad {
  color: var(--danger);
  background: color-mix(in srgb, var(--danger) 10%, transparent);
  border-color: transparent;
}

header button {
  background: none;
  border: 1px solid var(--line);
  color: var(--text-soft);
  border-radius: 8px;
  padding: 6px 12px;
  font: inherit;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}
header button:hover {
  background: var(--raised);
  border-color: var(--line);
}

/* ---------------------------------------------------------------- thread */

main {
  flex: 1;
  overflow-y: auto;
  padding: 32px 20px 12px;
  scroll-behavior: smooth;
  overscroll-behavior: contain;
}

.welcome {
  max-width: var(--measure);
  margin: 14vh auto 0;
  text-align: center;
}
.welcome h2 {
  font-size: 28px;
  font-weight: 650;
  letter-spacing: -0.025em;
  margin: 0 0 10px;
}
.welcome p {
  margin: 0 auto;
  max-width: 32rem;
  color: var(--muted);
  font-size: 15px;
}

.welcome-model-pill {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin: 10px 0 16px;
}

.badge-active {
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 12.5px;
}

.badge-soon {
  background: var(--raised);
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 500;
}

.msg {
  max-width: var(--measure);
  margin: 0 auto 26px;
  display: flex;
  gap: 14px;
  animation: rise 0.28s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .msg {
    animation: none;
  }
  main {
    scroll-behavior: auto;
  }
}

/* The person's turn: a compact bubble on the right. */
.msg.user {
  justify-content: flex-end;
}
.msg.user .body {
  background: var(--raised);
  border: 1px solid var(--line-soft);
  padding: 11px 16px;
  border-radius: var(--radius) var(--radius) 4px var(--radius);
  max-width: 85%;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  color: var(--text);
  font-size: 15px;
}

/* The answer: full width, set for reading rather than for chatting. */
.msg.assistant .body {
  flex: 1;
  min-width: 0;
  color: var(--text-soft);
  letter-spacing: -0.003em;
}

.avatar {
  flex-shrink: 0;
  width: 27px;
  height: 27px;
  margin-top: 2px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.02em;
  user-select: none;
}

/* ----------------------------------------------------------- answer body (ChatGPT / Gemini / Claude Style) */

.answer-prose {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-soft);
  word-wrap: break-word;
}

.body > :first-child {
  margin-top: 0;
}
.body > :last-child {
  margin-bottom: 0;
}

.body p {
  margin: 0 0 1em;
  line-height: 1.7;
  overflow-wrap: break-word;
}

.body strong {
  font-weight: 650;
  color: var(--text);
}

.body em {
  font-style: italic;
  color: inherit;
}

.body h1,
.body h2,
.body h3,
.body h4 {
  color: var(--text);
  font-weight: 650;
  letter-spacing: -0.015em;
  margin: 1.4em 0 0.5em;
  line-height: 1.35;
}
.body h1 {
  font-size: 1.35em;
  border-bottom: 1px solid var(--line-soft);
  padding-bottom: 0.3em;
}
.body h2 {
  font-size: 1.2em;
}
.body h3 {
  font-size: 1.05em;
}
.body h4 {
  font-size: 0.95em;
}

.body ul,
.body ol {
  margin: 0.6em 0 1.1em 1.25em;
  padding-left: 0.4em;
}
.body li {
  margin-bottom: 0.45em;
  line-height: 1.65;
}
.body li::marker {
  color: var(--muted);
}
.body li > p {
  margin-bottom: 0.3em;
}

/* ChatGPT/Claude style blockquotes */
.body blockquote {
  border-left: 3px solid var(--accent);
  background: color-mix(in srgb, var(--accent) 5%, transparent);
  border-radius: 0 8px 8px 0;
  margin: 1em 0;
  padding: 8px 14px;
  color: var(--text-soft);
  font-style: italic;
}

/* Beautiful responsive tables */
.table-wrap {
  width: 100%;
  overflow-x: auto;
  margin: 1.2em 0;
  border-radius: 10px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  background: var(--surface);
}
.body table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
  text-align: left;
}
.body th {
  background: var(--raised);
  color: var(--text);
  font-weight: 600;
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
}
.body td {
  padding: 9px 14px;
  border-bottom: 1px solid var(--line-soft);
  color: var(--text-soft);
  line-height: 1.5;
}
.body td.table-key {
  color: var(--text);
  font-weight: 600;
  white-space: nowrap;
  background: color-mix(in srgb, var(--surface) 70%, var(--raised));
  border-right: 1px solid var(--line-soft);
}
.body tr:last-child td {
  border-bottom: none;
}
.body tbody tr:nth-child(even) {
  background: color-mix(in srgb, var(--surface) 95%, var(--raised));
}

.body a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2.5px;
  transition: opacity 0.15s ease;
}
.body a:hover {
  opacity: 0.8;
}

.body hr {
  border: none;
  border-top: 1px solid var(--line);
  margin: 1.8em 0;
}

.body code {
  font-family: var(--mono);
  font-size: 0.86em;
  background: var(--raised);
  border: 1px solid var(--line-soft);
  border-radius: 5px;
  padding: 0.12em 0.4em;
  color: var(--text);
}

.body pre {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px 16px;
  margin: 0 0 1.1em;
  overflow-x: auto;
  box-shadow: var(--shadow);
}
.body pre code {
  background: none;
  border: 0;
  padding: 0;
  font-size: 13px;
  line-height: 1.6;
}

/* ------------------------------------------------------------ status note */

.note {
  max-width: var(--measure);
  margin: -14px auto 22px;
  padding-left: 41px; /* clears the avatar column */
  font-size: 13.5px;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 9px;
}
.note .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
  animation: pulse 1.2s ease-in-out infinite;
}
.note.error {
  color: var(--danger);
}

@keyframes pulse {
  0%,
  100% {
    opacity: 0.25;
    transform: scale(0.85);
  }
  50% {
    opacity: 1;
    transform: scale(1);
  }
}

.caret::after {
  content: '';
  display: inline-block;
  width: 2px;
  height: 1.05em;
  background: var(--accent);
  border-radius: 1px;
  vertical-align: text-bottom;
  margin-left: 3px;
  animation: blink 1.05s steps(2, start) infinite;
}

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

/* -------------------------------------------------------------- composer */

.composer-wrap {
  flex-shrink: 0;
  max-width: var(--measure);
  width: 100%;
  margin: 0 auto;
  padding: 6px 20px 20px;
  background: linear-gradient(to top, var(--bg) 80%, transparent);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.composer-model-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 4px;
  flex-wrap: wrap;
}

/* Claude-Style Model Selector Popover */
.model-picker-container {
  position: relative;
  display: inline-flex;
}

.model-picker-trigger {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 12px 4px 10px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  user-select: none;
  font-family: inherit;
  transition: all 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

.model-picker-trigger:hover {
  background: var(--raised);
  border-color: var(--line-soft);
  color: var(--text);
}

.model-picker-container.open .model-picker-trigger {
  border-color: color-mix(in srgb, var(--accent) 55%, var(--line));
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 20%, transparent);
}

.picker-trigger-left {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.picker-trigger-icon {
  font-size: 11px;
  line-height: 1;
}

.picker-trigger-name {
  font-weight: 600;
  letter-spacing: -0.01em;
}

.picker-trigger-tag {
  font-size: 11px;
  font-weight: 500;
  color: var(--muted);
  padding-left: 2px;
}

.picker-trigger-arrow {
  color: var(--muted);
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  flex-shrink: 0;
}

.model-picker-container.open .picker-trigger-arrow {
  transform: rotate(180deg);
}

/* Dropdown Menu (Floating Above Trigger) */
.model-dropdown-menu {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 0;
  width: 320px;
  max-width: calc(100vw - 32px);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.35), 0 0 0 1px var(--line-soft);
  padding: 6px;
  z-index: 300;
  backdrop-filter: blur(16px);
  transform-origin: bottom left;
  animation: modelMenuPop 0.16s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modelMenuPop {
  from {
    opacity: 0;
    transform: translateY(6px) scale(0.97);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.model-dropdown-menu.hidden {
  display: none !important;
}

.model-dropdown-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.model-menu-item {
  width: 100%;
  text-align: left;
  padding: 10px 12px;
  border-radius: 10px;
  border: none;
  background: transparent;
  color: var(--text);
  cursor: pointer;
  font-family: inherit;
  transition: background 0.15s ease, transform 0.1s ease;
  user-select: none;
  box-sizing: border-box;
}

.model-menu-item:hover:not(.disabled) {
  background: var(--raised);
}

.model-menu-item.selected {
  background: color-mix(in srgb, var(--accent) 8%, var(--raised));
}

.model-menu-item.disabled {
  opacity: 0.55;
  cursor: default;
}

.model-item-main {
  display: flex;
  flex-direction: column;
  gap: 3px;
  width: 100%;
}

.model-item-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.model-item-left {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.model-item-icon {
  font-size: 13px;
  line-height: 1;
}

.model-item-icon.omni-icon {
  color: #ec4899;
}

.model-item-icon.reasoning-icon {
  color: #a78bfa;
}

.model-item-icon.liquid-icon {
  color: #06b6d4;
}

.model-item-icon.code-icon {
  color: #10b981;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  font-size: 11px;
}

.model-item-icon.muted-icon {
  color: var(--muted);
}

.model-item-title {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.01em;
}

.model-item-desc {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.35;
  padding-left: 20px;
}

.model-item-pill {
  font-size: 9.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 1.5px 7px;
  border-radius: 999px;
  line-height: 1.2;
}

.model-item-pill.pill-omni {
  background: color-mix(in srgb, #ec4899 18%, transparent);
  color: #f472b6;
  border: 1px solid color-mix(in srgb, #ec4899 35%, transparent);
}

.model-item-pill.pill-reasoning {
  background: color-mix(in srgb, #8b5cf6 20%, transparent);
  color: #a78bfa;
  border: 1px solid color-mix(in srgb, #8b5cf6 40%, transparent);
}

.model-item-pill.pill-liquid {
  background: color-mix(in srgb, #06b6d4 18%, transparent);
  color: #06b6d4;
  border: 1px solid color-mix(in srgb, #06b6d4 35%, transparent);
}

.model-item-pill.pill-code {
  background: color-mix(in srgb, #10b981 18%, transparent);
  color: #10b981;
  border: 1px solid color-mix(in srgb, #10b981 35%, transparent);
}

.model-item-pill.pill-fast {
  background: color-mix(in srgb, var(--accent) 18%, transparent);
  color: var(--accent);
  border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
}

.model-item-pill.pill-soon {
  background: var(--raised);
  color: var(--muted);
  border: 1px dashed var(--line);
}

.model-item-check {
  display: flex;
  align-items: center;
  justify-content: center;
  color: #3b82f6;
  flex-shrink: 0;
}

.model-menu-section-title {
  padding: 6px 10px 4px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.model-menu-divider {
  height: 1px;
  background: var(--line);
  margin: 5px 4px;
}

/* Claude-style Flyout Submenu */
.model-submenu-container {
  position: relative;
  width: 100%;
}

.model-submenu-trigger {
  display: flex !important;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 9px 12px;
  border-radius: 10px;
  background: transparent;
  color: var(--text);
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: 13.5px;
  font-weight: 500;
  transition: background 0.15s ease;
  user-select: none;
  box-sizing: border-box;
}

.model-submenu-trigger:hover,
.model-submenu-container:hover .model-submenu-trigger,
.model-submenu-container.open .model-submenu-trigger {
  background: var(--raised);
}

.model-submenu-title {
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text);
  letter-spacing: -0.01em;
}

.model-submenu-arrow {
  color: var(--muted);
  transition: transform 0.15s ease, color 0.15s ease;
  flex-shrink: 0;
}

.model-submenu-container:hover .model-submenu-arrow,
.model-submenu-container.open .model-submenu-arrow {
  color: var(--text);
  transform: translateX(2px);
}

.model-submenu-panel {
  position: absolute;
  left: calc(100% + 8px);
  bottom: -6px;
  width: 275px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.45), 0 0 0 1px var(--line-soft);
  padding: 6px;
  z-index: 310;
  backdrop-filter: blur(16px);
  display: none;
  flex-direction: column;
  animation: modelSubmenuPop 0.16s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Invisible bridge bridging the 8px gap between trigger and panel to prevent mouseout flicker */
.model-submenu-panel::before {
  content: '';
  position: absolute;
  top: 0;
  left: -14px;
  width: 16px;
  height: 100%;
  background: transparent;
}

@keyframes modelSubmenuPop {
  from {
    opacity: 0;
    transform: translateX(-6px) scale(0.97);
  }
  to {
    opacity: 1;
    transform: translateX(0) scale(1);
  }
}

.model-submenu-container:hover .model-submenu-panel,
.model-submenu-container.open .model-submenu-panel {
  display: flex;
}

.model-submenu-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.model-menu-item.model-submenu-item {
  padding: 8px 10px;
}

.model-item-pill.pill-auto {
  background: color-mix(in srgb, #eab308 18%, transparent);
  color: #eab308;
  border: 1px solid color-mix(in srgb, #eab308 35%, transparent);
}

.model-dropdown-footer {
  padding: 6px 10px 4px;
  font-size: 11px;
  color: var(--muted);
  line-height: 1.35;
}

.model-dropdown-footer .footer-link {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* If screen is narrow, position flyout nicely */
@media (max-width: 680px) {
  .model-submenu-panel {
    left: 0;
    bottom: calc(100% + 6px);
    width: 100%;
    animation: modelSubmenuPopMobile 0.16s cubic-bezier(0.16, 1, 0.3, 1);
  }
  .model-submenu-panel::before {
    display: none;
  }
}

@keyframes modelSubmenuPopMobile {
  from {
    opacity: 0;
    transform: translateY(6px) scale(0.97);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* File Attachment Preview (genni 2) */
.file-attachment-preview {
  display: flex;
  align-items: center;
  padding: 2px 4px;
}
.file-attachment-preview.hidden {
  display: none;
}
.file-preview-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: var(--raised);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 5px 10px;
  font-size: 12px;
  color: var(--text-soft);
  box-shadow: var(--shadow);
}
.file-preview-chip svg {
  color: #8b5cf6;
  flex-shrink: 0;
}
.attached-file-name {
  font-weight: 550;
  color: var(--text);
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.attached-file-size {
  font-size: 11px;
  color: var(--muted);
}
.remove-file-btn {
  background: none;
  border: none;
  color: var(--muted);
  font-size: 12px;
  cursor: pointer;
  padding: 0 3px;
  line-height: 1;
  transition: color 0.15s;
}
.remove-file-btn:hover {
  color: var(--danger);
}

.composer-icon-btn {
  width: 38px;
  height: 38px;
  margin-bottom: 2px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  color: var(--muted);
  display: grid;
  place-items: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.composer-icon-btn:hover {
  background: var(--raised);
  color: var(--text);
  border-color: var(--line-soft);
}
.composer-icon-btn.has-file {
  color: #8b5cf6;
  border-color: #8b5cf6;
  background: color-mix(in srgb, #8b5cf6 12%, transparent);
}

.composer-icon-btn.mic-btn {
  margin-right: 4px;
}
.composer-icon-btn.mic-btn.listening {
  color: #fff;
  background: #ef4444;
  border-color: #ef4444;
  box-shadow: 0 0 16px rgba(239, 68, 68, 0.65);
  animation: micHearingPulse 1.2s infinite cubic-bezier(0.4, 0, 0.6, 1);
}

@keyframes micHearingPulse {
  0%, 100% {
    transform: scale(1);
    box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.7);
  }
  50% {
    transform: scale(1.08);
    box-shadow: 0 0 0 8px rgba(239, 68, 68, 0);
  }
}

/* Assistant Message Action Bar (Speak aloud, Copy) */
.msg-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  padding-top: 8px;
  user-select: none;
}

.msg-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 500;
  border-radius: 8px;
  border: 1px solid var(--line-soft);
  background: var(--surface);
  color: var(--muted);
  cursor: pointer;
  transition: all 0.15s ease;
}

.msg-action-btn:hover {
  background: var(--raised);
  color: var(--text);
  border-color: var(--line);
}

.msg-action-btn.speaking {
  background: color-mix(in srgb, #8b5cf6 15%, transparent);
  color: #a78bfa;
  border-color: #8b5cf6;
  animation: speakerPulse 1.4s infinite;
}

@keyframes speakerPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.65; }
}

/* Deep Reasoning Thought Process Box (Exclusive to genni 2) */
.thought-box {
  margin: 0 0 16px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: color-mix(in srgb, var(--surface) 60%, transparent);
  overflow: hidden;
  font-size: 13.5px;
}
.thought-summary {
  padding: 8px 14px;
  cursor: pointer;
  user-select: none;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-weight: 500;
  transition: background 0.15s;
  list-style: none;
}
.thought-summary::-webkit-details-marker {
  display: none;
}
.thought-summary:hover {
  background: var(--raised);
  color: var(--text-soft);
}
.thought-sparkle {
  color: #8b5cf6;
  font-size: 12px;
}
.thought-title {
  font-size: 12.5px;
  font-weight: 600;
}
.thought-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #8b5cf6;
  display: inline-block;
  animation: pulse 1.2s ease-in-out infinite;
}
.thought-content {
  padding: 10px 14px 14px;
  color: var(--muted);
  line-height: 1.62;
  border-top: 1px dashed var(--line-soft);
  white-space: pre-wrap;
  font-size: 13px;
  max-height: 240px;
  overflow-y: auto;
}

/* Live Code Artifacts & Interactive Preview (Exclusive to genni 2) */
.code-block-wrap {
  margin: 0 0 1.1em;
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  background: var(--surface);
  box-shadow: var(--shadow);
}
.code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 12px;
  background: var(--raised);
  border-bottom: 1px solid var(--line-soft);
  font-size: 11.5px;
  color: var(--muted);
  font-weight: 500;
}
.code-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}
.code-btn {
  background: none;
  border: 1px solid var(--line-soft);
  border-radius: 6px;
  padding: 3px 8px;
  font-size: 11.5px;
  color: var(--text-soft);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: background 0.15s, color 0.15s;
}
.code-btn:hover {
  background: var(--surface);
  color: var(--text);
}
.code-btn.preview-btn {
  background: color-mix(in srgb, #8b5cf6 15%, transparent);
  border-color: color-mix(in srgb, #8b5cf6 40%, transparent);
  color: #a78bfa;
  font-weight: 600;
}
.live-preview-container {
  border-top: 1px solid var(--line);
  background: #ffffff;
  border-radius: 0 0 10px 10px;
  overflow: hidden;
}
.live-preview-frame {
  width: 100%;
  height: 240px;
  border: none;
  display: block;
  background: #ffffff;
}

form {
  flex-shrink: 0;
  display: flex;
  align-items: flex-end;
  gap: 8px;
  width: 100%;
  margin: 0;
  padding: 0;
  background: none;
}

textarea {
  flex: 1;
  resize: none;
  max-height: 180px;
  overflow-y: hidden;
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  font-family: inherit;
  font-size: 15px;
  line-height: 1.55;
  box-shadow: var(--shadow);
  transition: border-color 0.15s, box-shadow 0.15s;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.2) transparent;
}
textarea::-webkit-scrollbar {
  width: 5px;
}
textarea::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.2);
  border-radius: 4px;
}
textarea::placeholder {
  color: var(--muted);
}
textarea:focus {
  outline: none;
  border-color: color-mix(in srgb, var(--accent) 55%, var(--line));
  box-shadow: var(--shadow), 0 0 0 3px var(--accent-soft);
}

#send {
  width: 38px;
  height: 38px;
  margin-bottom: 2px;
  border: 0;
  border-radius: 10px;
  background: var(--accent);
  color: #fff;
  font-size: 17px;
  line-height: 1;
  cursor: pointer;
  flex-shrink: 0;
  transition: opacity 0.15s, transform 0.1s;
}
#send:hover:not(:disabled) {
  opacity: 0.9;
}
#send:active:not(:disabled) {
  transform: scale(0.94);
}
#send:disabled {
  opacity: 0.35;
  cursor: default;
}

/* ---------------------------------------------------------------- mobile */

@media (max-width: 640px) {
  main {
    padding: 24px 16px 12px;
  }
  .composer-wrap {
    padding: 6px 14px 14px;
    gap: 6px;
  }
  .composer-model-bar {
    gap: 6px;
  }
  .model-badge-active,
  .model-badge-soon {
    font-size: 11px;
    padding: 2px 8px;
  }
  .msg {
    gap: 10px;
  }
  .note {
    padding-left: 33px;
  }
  .welcome {
    margin-top: 10vh;
  }
  .welcome h2 {
    font-size: 24px;
  }
}

/* ---------------------------------------------------------------- sidebar */

.sidebar {
  width: 260px;
  min-width: 260px;
  height: 100%;
  background: var(--surface);
  border-right: 1px solid var(--line-soft);
  display: flex;
  flex-direction: column;
  transition: transform 0.24s cubic-bezier(0.16, 1, 0.3, 1), margin-left 0.24s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 20;
}

.sidebar.collapsed {
  margin-left: -260px;
}

.sidebar-header {
  padding: 12px 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--line-soft);
}

.sidebar-new-btn {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  background: var(--raised);
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 13px;
  font-weight: 550;
  color: var(--text);
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.sidebar-new-btn:hover {
  background: color-mix(in srgb, var(--accent) 12%, var(--raised));
  border-color: var(--accent);
}

.sidebar-icon-btn {
  background: none;
  border: 1px solid transparent;
  border-radius: 8px;
  color: var(--muted);
  cursor: pointer;
  padding: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.15s, background 0.15s;
}

.sidebar-icon-btn:hover {
  background: var(--raised);
  color: var(--text);
}

.toggle-btn {
  display: flex;
  margin-right: 2px;
}

.sidebar-scroll {
  flex: 1;
  overflow-y: auto;
  padding: 10px 8px;
}

.chat-group {
  margin-bottom: 16px;
}

.chat-group-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--muted);
  padding: 6px 10px;
  letter-spacing: -0.01em;
}

.chat-item {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 7px 10px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 13.5px;
  color: var(--text-soft);
  transition: background 0.12s, color 0.12s;
  margin-bottom: 2px;
  user-select: none;
}

.chat-item:hover {
  background: var(--raised);
  color: var(--text);
}

.chat-item.active {
  background: var(--raised);
  color: var(--text);
  font-weight: 600;
}

.chat-item.unread .chat-item-title::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  margin-right: 6px;
  vertical-align: middle;
}

.chat-item-title {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
  margin-right: 4px;
}

.chat-item-menu-btn {
  background: none;
  border: none;
  color: var(--muted);
  opacity: 0;
  padding: 2px 4px;
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  transition: opacity 0.15s, background 0.15s;
}

.chat-item:hover .chat-item-menu-btn,
.chat-item.active .chat-item-menu-btn,
.chat-item.menu-open .chat-item-menu-btn {
  opacity: 1;
}

.chat-item-menu-btn:hover {
  background: var(--line);
  color: var(--text);
}

/* Sidebar Footer & User Profile (Exact match to Image 1) */
.sidebar-footer {
  position: relative;
  padding: 10px 12px;
  border-top: 1px solid var(--line-soft);
  background: var(--surface);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.user-pill {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 8px;
  border-radius: 10px;
  cursor: pointer;
  user-select: none;
  transition: background 0.15s ease;
}

.user-pill:hover {
  background: var(--raised);
}

.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: #ea580c;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.02em;
  flex-shrink: 0;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.user-avatar.guest {
  background: #52525b;
}

.user-details {
  display: flex;
  flex-direction: column;
  min-width: 0;
  flex: 1;
}

.user-name {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.25;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-sub {
  font-size: 11px;
  color: var(--text-soft);
}

/* Claim Offer Button (Image 1 style) */
.claim-offer-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--raised);
  border: 1px solid var(--line);
  color: var(--text);
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  user-select: none;
  transition: all 0.18s ease;
  font-family: inherit;
  width: 100%;
}

.claim-offer-btn:hover {
  background: color-mix(in srgb, var(--accent) 15%, var(--raised));
  border-color: var(--accent);
  color: #fff;
}

/* User Profile Popover (Image 1 style) */
.user-popover {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 10px;
  right: 10px;
  width: calc(100% - 20px);
  max-width: 250px;
  background: #1c1c20;
  border: 1px solid #2e2e38;
  border-radius: 14px;
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.65), 0 2px 8px rgba(0, 0, 0, 0.35);
  padding: 6px;
  z-index: 1000;
  display: flex;
  flex-direction: column !important;
  gap: 2px;
  backdrop-filter: blur(16px);
  box-sizing: border-box;
  animation: popoverFadeIn 0.15s cubic-bezier(0.16, 1, 0.3, 1);
}

.user-popover.hidden {
  display: none !important;
}

@keyframes popoverFadeIn {
  from { opacity: 0; transform: translateY(6px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.user-popover-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 10px;
  cursor: pointer;
  transition: background 0.15s ease;
}

.user-popover-header:hover {
  background: rgba(255, 255, 255, 0.05);
}

.popover-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: #ea580c;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  flex-shrink: 0;
}

.popover-avatar.guest {
  background: #52525b;
}

.popover-user-info {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-width: 0;
}

.popover-user-name {
  font-size: 13.5px;
  font-weight: 600;
  color: #fff;
  line-height: 1.25;
}

.popover-user-plan {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.6);
}

.popover-chevron {
  color: rgba(255, 255, 255, 0.4);
}

.popover-menu-list {
  display: flex;
  flex-direction: column !important;
  gap: 2px;
  width: 100%;
}

.popover-item {
  display: flex !important;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 8px;
  color: #e4e4e7 !important;
  font-size: 13px;
  font-weight: 500;
  background: transparent !important;
  border: none !important;
  cursor: pointer;
  width: 100% !important;
  box-sizing: border-box;
  text-align: left;
  white-space: nowrap;
  font-family: inherit;
  transition: background 0.12s ease, color 0.12s ease;
}

.popover-item:hover {
  background: rgba(255, 255, 255, 0.08) !important;
  color: #fff !important;
}

.popover-icon {
  font-size: 14px;
  width: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.popover-chevron-small {
  margin-left: auto;
  opacity: 0.5;
}

.popover-divider {
  height: 1px;
  background: #2e2e38;
  margin: 4px 6px;
}

.popover-auth-btn {
  color: #f87171;
}

.popover-auth-btn:hover {
  background: rgba(239, 68, 68, 0.12);
  color: #fca5a5;
}

/* ---------------------------------------------------------------- context menu */

.context-menu {
  position: fixed;
  z-index: 1000;
  min-width: 220px;
  background: #1c1c20;
  border: 1px solid #2e2e36;
  border-radius: 12px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.45), 0 2px 6px rgba(0, 0, 0, 0.25);
  padding: 6px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  backdrop-filter: blur(16px);
  animation: ctxIn 0.12s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes ctxIn {
  from { opacity: 0; transform: scale(0.96) translateY(-4px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.context-menu.hidden {
  display: none;
}

.ctx-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 7px 10px;
  border-radius: 6px;
  background: none;
  border: none;
  font-size: 13px;
  font-family: var(--sans);
  color: #ededf2;
  cursor: pointer;
  text-align: left;
  transition: background 0.1s, color 0.1s;
}

.ctx-item:hover,
.ctx-item:focus {
  background: #2a2a32;
  color: #fff;
  outline: none;
}

.ctx-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.ctx-left svg {
  color: #a1a1aa;
}

.ctx-item:hover .ctx-left svg {
  color: #fff;
}

.ctx-item kbd {
  font-family: inherit;
  font-size: 11.5px;
  color: #828290;
  background: none;
  border: none;
  padding: 0;
}

.ctx-arrow {
  font-size: 13px;
  color: #828290;
}

.ctx-separator {
  height: 1px;
  background: #2c2c34;
  margin: 4px 0;
}

.ctx-item.danger {
  color: #f87171;
}

.ctx-item.danger .ctx-left svg {
  color: #f87171;
}

.ctx-item.danger:hover {
  background: #39191e;
  color: #fca5a5;
}

.ctx-item.danger:hover .ctx-left svg {
  color: #fca5a5;
}

/* Mobile responsive overlay */
.sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(2px);
  z-index: 15;
}

@media (max-width: 768px) {
  .sidebar {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    transform: translateX(0);
    box-shadow: 4px 0 24px rgba(0, 0, 0, 0.4);
  }
  .sidebar.collapsed {
    transform: translateX(-100%);
    margin-left: 0;
  }
  .sidebar-backdrop.active {
    display: block;
  }
}

/* Image Generation Cards (genni 3 Omni Studio) */
.generated-image-card {
  margin: 14px 0;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--surface);
  max-width: 520px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.generated-image-card:hover {
  border-color: color-mix(in srgb, #ec4899 45%, var(--line));
  box-shadow: 0 10px 30px rgba(236, 72, 153, 0.15);
}

.generated-image-container {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  background: color-mix(in srgb, var(--surface) 60%, black);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.generated-image-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.3s ease;
}

.generated-image-card:hover .generated-image-container img {
  transform: scale(1.015);
}

.generated-image-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: var(--surface);
  border-top: 1px solid var(--line);
  gap: 10px;
}

.generated-image-caption {
  color: var(--text);
  font-size: 12px;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
}

.generated-image-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  flex-shrink: 0;
}

.generated-image-actions .generated-image-btn,
.generated-image-btn {
  display: inline-flex !important;
  align-items: center;
  gap: 5px;
  background: var(--raised) !important;
  color: var(--text) !important;
  border: 1px solid var(--line) !important;
  border-radius: 8px;
  padding: 6px 12px;
  font-size: 11.5px;
  font-weight: 500;
  text-decoration: none !important;
  cursor: pointer;
  margin: 0;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.generated-image-actions .generated-image-btn:hover,
.generated-image-btn:hover {
  background: color-mix(in srgb, #ec4899 15%, var(--raised)) !important;
  border-color: #ec4899 !important;
  color: #fff !important;
}

.zoomable-image-wrap {
  cursor: zoom-in;
}

/* -------------------------------------------------------------- Image Lightbox Modal */
.image-lightbox {
  position: fixed;
  inset: 0;
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.image-lightbox.hidden {
  display: none;
}

.image-lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.82);
  backdrop-filter: blur(8px);
}

.image-lightbox-content {
  position: relative;
  z-index: 1;
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6);
  animation: lightboxPop 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes lightboxPop {
  from {
    opacity: 0;
    transform: scale(0.96);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.image-lightbox-close {
  position: absolute;
  top: 12px;
  right: 14px;
  background: rgba(0, 0, 0, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  border-radius: 50%;
  width: 32px;
  height: 32px;
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
  z-index: 2;
}

.image-lightbox-close:hover {
  background: #ec4899;
  transform: scale(1.1);
}

.image-lightbox-content img {
  max-width: 85vw;
  max-height: 75vh;
  object-fit: contain;
  display: block;
  background: #09090b;
}

.image-lightbox-footer {
  width: 100%;
  padding: 12px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border-top: 1px solid var(--line);
  background: var(--surface);
}

#image-lightbox-caption {
  font-size: 13px;
  color: var(--text);
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.image-lightbox-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}


/* -------------------------------------------------------------- Mermaid Diagram Wrap */
.mermaid-diagram-wrap {
  margin: 14px 0;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--surface);
}

.mermaid-body {
  padding: 16px;
  background: color-mix(in srgb, var(--surface) 50%, #000);
  display: flex;
  justify-content: center;
  align-items: center;
  overflow-x: auto;
  min-height: 80px;
}

.mermaid-body svg {
  max-width: 100%;
  height: auto;
}

.mermaid-error {
  color: #f87171;
  font-size: 12px;
  background: rgba(239, 68, 68, 0.1);
  padding: 8px 12px;
  border-radius: 8px;
  margin: 0;
  width: 100%;
}

/* -------------------------------------------------------------- KaTeX Math Formula Rendering */
.katex-display-block {
  margin: 12px 0;
  padding: 10px 14px;
  overflow-x: auto;
  overflow-y: hidden;
  background: color-mix(in srgb, var(--surface) 40%, transparent);
  border-radius: 8px;
  text-align: center;
}

.katex {
  font-size: 1.08em;
  color: var(--text);
}

.katex-display {
  margin: 0 !important;
}

/* -------------------------------------------------------------- Top Navigation Tabs (Chat / + Work matching Image 2) */
.top-nav-tabs {
  display: flex;
  align-items: center;
  background: var(--raised);
  border: 1px solid var(--line);
  padding: 3px;
  border-radius: 999px;
  gap: 2px;
  margin: 0 auto;
}

.top-nav-tab {
  background: transparent;
  border: none;
  color: var(--text-soft);
  font-size: 13px;
  font-weight: 600;
  padding: 4px 16px;
  border-radius: 999px;
  cursor: pointer;
  font-family: inherit;
  transition: all 0.15s ease;
}

.top-nav-tab:hover {
  color: var(--text);
}

.top-nav-tab.active {
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.25);
}

/* -------------------------------------------------------------- ChatGPT style "+" tools button matching Image 2 */
.tools-picker-container {
  position: relative;
  display: inline-flex;
}

.tools-btn {
  border-radius: 50% !important;
  width: 32px !important;
  height: 32px !important;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
  padding: 0 !important;
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--text);
}

.tools-btn:hover {
  background: var(--raised);
  border-color: var(--line-soft);
  transform: scale(1.05);
}

.tools-popover {
  position: absolute;
  bottom: calc(100% + 10px);
  left: 0;
  min-width: 290px;
  background: #1c1c20;
  border: 1px solid #2e2e38;
  border-radius: 16px;
  box-shadow: 0 16px 38px rgba(0, 0, 0, 0.65), 0 2px 8px rgba(0, 0, 0, 0.35);
  padding: 6px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 2px;
  backdrop-filter: blur(16px);
  animation: popoverFadeIn 0.15s cubic-bezier(0.16, 1, 0.3, 1);
}

.tools-popover.hidden {
  display: none !important;
}

.tools-item {
  display: flex !important;
  align-items: center;
  gap: 12px;
  padding: 8px 12px;
  border-radius: 10px;
  background: transparent !important;
  border: none !important;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  color: inherit;
  transition: background 0.12s ease;
  width: 100% !important;
  box-sizing: border-box;
}

.tools-item:hover {
  background: rgba(255, 255, 255, 0.08) !important;
}

.tools-icon {
  font-size: 18px;
  width: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.tools-info {
  display: flex;
  flex-direction: column;
}

.tools-title {
  font-size: 13.5px;
  font-weight: 600;
  color: #fff;
  line-height: 1.25;
}

.tools-desc {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.55);
}

/* -------------------------------------------------------------- Modals (Auth, Personalization, Settings) */
.auth-modal {
  position: fixed;
  inset: 0;
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.auth-modal.hidden {
  display: none !important;
}

.auth-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.78);
  backdrop-filter: blur(6px);
}

.auth-modal-card {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 440px;
  background: #18181b;
  border: 1px solid #27272a;
  border-radius: 18px;
  padding: 24px 28px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6);
  animation: popoverFadeIn 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.auth-modal-close {
  position: absolute;
  top: 14px;
  right: 16px;
  background: rgba(255, 255, 255, 0.07);
  border: none;
  color: #a1a1aa;
  border-radius: 50%;
  width: 28px;
  height: 28px;
  font-size: 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
}

.auth-modal-close:hover {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
}

.auth-modal-header {
  text-align: center;
  margin-bottom: 20px;
}

.auth-logo-badge {
  width: 44px;
  height: 44px;
  background: var(--accent);
  color: #fff;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 800;
  margin: 0 auto 12px;
  box-shadow: 0 4px 14px rgba(16, 163, 127, 0.35);
}

.auth-modal-header h3 {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  margin: 0 0 6px;
}

.auth-modal-sub {
  font-size: 12.5px;
  color: #a1a1aa;
  line-height: 1.45;
  margin: 0;
}

.auth-tabs {
  display: flex;
  background: #27272a;
  border-radius: 10px;
  padding: 3px;
  gap: 3px;
  margin-bottom: 14px;
}

.auth-tab {
  flex: 1;
  background: transparent;
  border: none;
  color: #a1a1aa;
  font-size: 13px;
  font-weight: 600;
  padding: 6px;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.auth-tab.active {
  background: #3f3f46;
  color: #fff;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.auth-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.auth-field label {
  font-size: 12px;
  font-weight: 500;
  color: #d4d4d8;
}

.auth-field input,
.auth-field textarea {
  background: #27272a;
  border: 1px solid #3f3f46;
  color: #fff;
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 13.5px;
  font-family: inherit;
  outline: none;
  transition: border-color 0.15s ease;
}

.auth-field input:focus,
.auth-field textarea:focus {
  border-color: var(--accent);
}

.auth-submit-btn {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 11px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s ease;
  margin-top: 4px;
}

.auth-submit-btn:hover {
  background: color-mix(in srgb, var(--accent) 85%, white);
}

.auth-divider {
  display: flex;
  align-items: center;
  text-align: center;
  color: #71717a;
  font-size: 11.5px;
  margin: 6px 0;
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  border-bottom: 1px solid #27272a;
}

.auth-divider span {
  padding: 0 10px;
}

.f0undr-oauth-btn {
  display: flex !important;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: linear-gradient(135deg, #0b0f19 0%, #151e2e 50%, #0b0f19 100%) !important;
  border: 1px solid rgba(45, 212, 167, 0.4) !important;
  color: #fff !important;
  padding: 12px 16px;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  width: 100% !important;
  box-sizing: border-box;
  margin-bottom: 6px;
  transition: all 0.18s ease;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.f0undr-oauth-btn:hover {
  background: linear-gradient(135deg, #101626 0%, #1c273c 50%, #101626 100%) !important;
  border-color: #2dd4a7 !important;
  transform: translateY(-1px);
  box-shadow: 0 4px 18px rgba(45, 212, 167, 0.3);
}

.f0undr-oauth-logo {
  color: #2dd4a7;
  flex-shrink: 0;
  display: inline-flex;
}

.quick-login-btn,
.guest-continue-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  background: #27272a;
  border: 1px solid #3f3f46;
  border-radius: 12px;
  padding: 10px 14px;
  cursor: pointer;
  text-align: left;
  transition: all 0.15s ease;
  font-family: inherit;
}

.quick-login-btn:hover,
.guest-continue-btn:hover {
  background: #3f3f46;
  border-color: #52525b;
}

.quick-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: #ea580c;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  flex-shrink: 0;
}

.guest-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: #52525b;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  flex-shrink: 0;
}

.quick-login-text {
  display: flex;
  flex-direction: column;
}

.quick-title {
  font-size: 13.5px;
  font-weight: 600;
  color: #fff;
}

.quick-sub {
  font-size: 11px;
  color: #a1a1aa;
}

/* Settings Modal with Tabs */
.settings-modal-card {
  max-width: 600px !important;
  width: 100% !important;
  padding: 22px 24px !important;
}

.settings-header-clean {
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 14px;
}

.settings-title-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
}

.settings-main-icon {
  font-size: 26px;
  line-height: 1;
}

.settings-tabs-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(0, 0, 0, 0.25);
  padding: 4px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  margin-bottom: 18px;
  overflow-x: auto;
}

.settings-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 7px;
  background: transparent;
  border: none;
  color: var(--muted);
  font-size: 12.5px;
  font-weight: 550;
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
  user-select: none;
  font-family: inherit;
}

.settings-tab-btn:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
}

.settings-tab-btn.active {
  color: #fff;
  background: var(--raised);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.tab-badge {
  background: rgba(59, 130, 246, 0.25);
  color: #60a5fa;
  font-size: 10.5px;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 999px;
  margin-left: 2px;
}

.settings-tab-panes {
  min-height: 240px;
}

.settings-pane.hidden {
  display: none !important;
}

.settings-pane {
  display: flex;
  flex-direction: column;
  gap: 12px;
  animation: popoverFadeIn 0.15s ease;
}

/* Profile Card Display */
.profile-card-display {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
  background: #27272a;
  border: 1px solid #3f3f46;
  border-radius: 14px;
}

.profile-avatar-large {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, #10b981, #059669);
  color: #fff;
  font-size: 20px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.profile-info-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.profile-name-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.settings-name-input {
  background: #18181b;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 8px;
  padding: 5px 10px;
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  width: 170px;
  outline: none;
  font-family: inherit;
}

.settings-name-input:focus {
  border-color: #3b82f6;
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

.profile-tier-badge {
  display: inline-flex;
  align-items: center;
  font-size: 11px;
  color: #10b981;
  margin-top: 3px;
}

.settings-textarea {
  width: 100%;
  background: #18181b;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  padding: 10px 12px;
  color: #fff;
  font-family: inherit;
  font-size: 13px;
  line-height: 1.5;
  outline: none;
  resize: vertical;
  box-sizing: border-box;
}

.settings-textarea:focus {
  border-color: #3b82f6;
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

.primary-action {
  background: #2563eb !important;
  color: #fff !important;
  border-color: #3b82f6 !important;
}

.primary-action:hover {
  background: #1d4ed8 !important;
}

.memory-tip-card {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  background: rgba(59, 130, 246, 0.08);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: 8px;
  padding: 9px 12px;
  font-size: 11.5px;
  color: #93c5fd;
  margin-top: 6px;
}

/* Settings Modal Rows */
.settings-content {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.settings-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  background: #27272a;
  border: 1px solid #3f3f46;
  border-radius: 12px;
  gap: 12px;
}

.settings-label {
  font-size: 13.5px;
  font-weight: 600;
  color: #fff;
}

.settings-desc {
  font-size: 11.5px;
  color: #a1a1aa;
}

.settings-action-btn {
  background: var(--raised);
  border: 1px solid var(--line);
  color: var(--text);
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
  font-family: inherit;
}

.settings-action-btn:hover {
  background: var(--surface);
  color: #fff;
}

.settings-danger-btn {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.4);
  color: #fca5a5;
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
  font-family: inherit;
}

.settings-danger-btn:hover {
  background: rgba(239, 68, 68, 0.25);
  color: #fff;
}

/* ---------------------------------------------------------------- Canvas / Artifact Split-Screen */

.canvas-panel {
  display: flex;
  flex-direction: column;
  width: 50%;
  min-width: 440px;
  max-width: 65%;
  height: 100dvh;
  background: #0c1017;
  border-left: 1px solid var(--line);
  position: relative;
  z-index: 20;
  transition: width 0.25s cubic-bezier(0.16, 1, 0.3, 1), transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.2s ease;
  overflow: hidden;
  box-shadow: -4px 0 24px rgba(0, 0, 0, 0.35);
}

.canvas-panel.collapsed {
  width: 0 !important;
  min-width: 0 !important;
  max-width: 0 !important;
  border-left: none !important;
  opacity: 0;
  pointer-events: none;
  display: none;
}

.canvas-panel.fullscreen {
  position: fixed !important;
  inset: 0 !important;
  width: 100vw !important;
  min-width: 100vw !important;
  max-width: 100vw !important;
  z-index: 9999 !important;
}

@media (max-width: 768px) {
  .canvas-panel {
    position: fixed;
    inset: 0;
    width: 100vw !important;
    min-width: 100vw !important;
    max-width: 100vw !important;
    z-index: 90;
  }
}

.canvas-header {
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  background: #111827;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  flex-shrink: 0;
  gap: 12px;
  flex-wrap: nowrap;
}

.canvas-title-group {
  display: flex;
  align-items: center;
  gap: 9px;
  min-width: 0;
}

.canvas-icon {
  font-size: 16px;
  background: linear-gradient(135deg, #ec4899, #8b5cf6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.canvas-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.canvas-title {
  font-size: 13.5px;
  font-weight: 600;
  color: #f1f5f9;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.canvas-badge {
  font-size: 10px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 999px;
  background: rgba(59, 130, 246, 0.15);
  color: #60a5fa;
  border: 1px solid rgba(59, 130, 246, 0.3);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.canvas-view-tabs {
  display: flex;
  align-items: center;
  gap: 2px;
  background: #1f2937;
  padding: 3px;
  border-radius: 8px;
}

.canvas-tab {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 5px 11px;
  font-size: 12px;
  font-weight: 500;
  color: #94a3b8;
  background: transparent;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.canvas-tab:hover {
  color: #f1f5f9;
}

.canvas-tab.active {
  background: #374151;
  color: #fff;
  font-weight: 600;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.canvas-console-badge {
  font-size: 10px;
  padding: 1px 5px;
  border-radius: 999px;
  background: #ef4444;
  color: #fff;
  font-weight: 700;
  line-height: 1;
}

.canvas-actions {
  display: flex;
  align-items: center;
  gap: 4px;
}

.canvas-action-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 7px;
  background: transparent;
  border: 1px solid transparent;
  color: #94a3b8;
  cursor: pointer;
  transition: all 0.15s ease;
}

.canvas-action-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.1);
}

.canvas-close-btn:hover {
  background: rgba(239, 68, 68, 0.2);
  color: #f87171;
  border-color: rgba(239, 68, 68, 0.3);
}

.canvas-body {
  flex: 1;
  min-height: 0;
  position: relative;
  overflow: hidden;
  background: #090d14;
}

.canvas-view {
  width: 100%;
  height: 100%;
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.canvas-view.hidden {
  display: none !important;
}

.canvas-iframe {
  width: 100%;
  height: 100%;
  border: none;
  background: #ffffff;
}

.canvas-code-pre {
  margin: 0;
  padding: 16px 20px;
  overflow: auto;
  height: 100%;
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 12.5px;
  line-height: 1.6;
  color: #e2e8f0;
  background: #0c1017;
  tab-size: 2;
  box-sizing: border-box;
}

.canvas-console-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 14px;
  background: #111827;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 12px;
  color: #94a3b8;
  font-weight: 500;
}

.canvas-console-clear {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #94a3b8;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.canvas-console-clear:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.canvas-console-logs {
  flex: 1;
  overflow: auto;
  padding: 12px 14px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.canvas-log-item {
  padding: 5px 9px;
  border-radius: 5px;
  line-height: 1.5;
  word-break: break-all;
}

.canvas-log-item.info {
  color: #94a3b8;
  background: rgba(255, 255, 255, 0.03);
}

.canvas-log-item.log {
  color: #e2e8f0;
}

.canvas-log-item.warn {
  color: #fde047;
  background: rgba(234, 179, 8, 0.1);
  border-left: 2px solid #eab308;
}

.canvas-log-item.error {
  color: #fca5a5;
  background: rgba(239, 68, 68, 0.1);
  border-left: 2px solid #ef4444;
}

/* Code Header Open in Canvas Button */
.code-btn.canvas-btn {
  background: linear-gradient(135deg, rgba(236, 72, 153, 0.18), rgba(139, 92, 246, 0.18));
  border: 1px solid rgba(236, 72, 153, 0.4);
  color: #f472b6;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 9px;
  border-radius: 6px;
  font-size: 11.5px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.code-btn.canvas-btn:hover {
  background: linear-gradient(135deg, rgba(236, 72, 153, 0.32), rgba(139, 92, 246, 0.32));
  color: #fff;
  border-color: #ec4899;
  box-shadow: 0 0 12px rgba(236, 72, 153, 0.3);
}

/* ---------------------------------------------------------------- AI Personas (Feature F) */

.persona-picker-container {
  position: relative;
  display: inline-flex;
}

.persona-picker-trigger {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--text);
  padding: 4px 12px 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  user-select: none;
  font-family: inherit;
  transition: all 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

.persona-picker-trigger:hover {
  background: var(--raised);
  border-color: var(--line-soft);
  color: var(--text);
}

.persona-picker-container.open .persona-picker-trigger {
  border-color: color-mix(in srgb, var(--accent) 55%, var(--line));
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 20%, transparent);
}

.persona-trigger-icon {
  font-size: 13.5px;
}

.persona-trigger-name {
  color: var(--text);
  font-weight: 600;
}

.persona-trigger-arrow {
  color: var(--muted);
  transition: transform 0.15s ease;
}

.persona-picker-container.open .persona-trigger-arrow {
  transform: rotate(180deg);
}

.persona-dropdown-menu {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 0;
  width: 295px;
  max-width: calc(100vw - 32px);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.45), 0 0 0 1px var(--line-soft);
  padding: 6px;
  z-index: 1000;
  backdrop-filter: blur(16px);
  display: flex;
  flex-direction: column;
  transform-origin: bottom left;
  animation: modelMenuPop 0.16s cubic-bezier(0.16, 1, 0.3, 1);
}

.persona-dropdown-menu.hidden {
  display: none !important;
}

.persona-dropdown-header {
  padding: 8px 12px 6px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  border-bottom: 1px solid var(--line-soft);
  margin-bottom: 4px;
}

.persona-dropdown-list {
  display: flex;
  flex-direction: column;
  gap: 3px;
  max-height: min(360px, calc(100vh - 160px));
  overflow-y: auto;
  padding-right: 2px;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.2) transparent;
}

.persona-dropdown-list::-webkit-scrollbar {
  width: 5px;
}
.persona-dropdown-list::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.2);
  border-radius: 4px;
}

.persona-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 10px;
  background: transparent;
  border: 1px solid transparent;
  cursor: pointer;
  text-align: left;
  transition: all 0.15s ease;
  width: 100%;
  color: var(--text);
  font-family: inherit;
  box-sizing: border-box;
}

.persona-item:hover {
  background: var(--raised);
}

.persona-item.selected {
  background: color-mix(in srgb, var(--accent) 10%, var(--raised));
  border-color: color-mix(in srgb, var(--accent) 30%, transparent);
}

.persona-icon {
  font-size: 15px;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.persona-info {
  display: flex;
  flex-direction: column;
  min-width: 0;
  gap: 2px;
}

.persona-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.01em;
}

.persona-desc {
  font-size: 11px;
  color: var(--muted);
  line-height: 1.3;
}

/* ---------------------------------------------------------------- Persistent Memory (Feature D) */

.memory-updated-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 11px;
  margin: 6px 0 10px;
  background: rgba(139, 92, 246, 0.12);
  border: 1px solid rgba(139, 92, 246, 0.35);
  border-radius: 999px;
  font-size: 12px;
  color: #c4b5fd;
  font-weight: 500;
  animation: memoryFadeIn 0.3s ease;
}

.memory-updated-pill .memory-spark {
  color: #a78bfa;
  font-weight: 700;
}

.memory-updated-pill em {
  font-style: normal;
  color: #fff;
  font-weight: 600;
}

@keyframes memoryFadeIn {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

.settings-memory-section {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 8px;
}

.settings-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.memory-add-bar {
  display: flex;
  gap: 8px;
}

.memory-add-bar input {
  flex: 1;
  background: #181d28;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  padding: 8px 12px;
  color: #fff;
  font-size: 12.5px;
  outline: none;
}

.memory-add-bar input:focus {
  border-color: #3b82f6;
}

.memory-add-btn {
  background: #2563eb;
  border: none;
  color: #fff;
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.memory-add-btn:hover {
  background: #1d4ed8;
}

.memory-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 220px;
  overflow-y: auto;
  padding-right: 4px;
}

.memory-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 8px;
  font-size: 12.5px;
  color: #e2e8f0;
}

.memory-item-text {
  flex: 1;
  line-height: 1.4;
}

.memory-item-delete {
  background: transparent;
  border: none;
  color: #94a3b8;
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
  transition: all 0.15s ease;
  font-size: 14px;
}

.memory-item-delete:hover {
  color: #ef4444;
  background: rgba(239, 68, 68, 0.15);
}

.memory-empty {
  padding: 14px;
  text-align: center;
  color: var(--muted);
  font-size: 12px;
}

/* ---------------------------------------------------------------- Canvas Auto-Fix & Standalone (Feature B) */

.canvas-fix-btn {
  background: linear-gradient(135deg, #ef4444, #f97316);
  border: none;
  color: #fff;
  font-size: 11.5px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 6px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  animation: pulseFix 1.6s infinite;
  box-shadow: 0 0 10px rgba(239, 68, 68, 0.4);
}

@keyframes pulseFix {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.04); opacity: 0.9; }
}

.canvas-error-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: rgba(239, 68, 68, 0.14);
  border-bottom: 1px solid rgba(239, 68, 68, 0.35);
  gap: 12px;
  flex-shrink: 0;
}

.canvas-error-text {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: #fca5a5;
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.canvas-error-icon {
  font-size: 15px;
}

.canvas-error-fix-btn {
  background: #ef4444;
  border: none;
  color: #fff;
  padding: 5px 12px;
  border-radius: 6px;
  font-size: 11.5px;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s ease;
  box-shadow: 0 2px 6px rgba(239, 68, 68, 0.3);
}

.canvas-error-fix-btn:hover {
  background: #dc2626;
  transform: translateY(-1px);
}

/* -------------------------------------------------------------- ChatGPT-Grade Floating Scroll Anchor */
.scroll-bottom-btn {
  position: absolute;
  bottom: 110px;
  right: 28px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.45), 0 0 0 1px var(--line-soft);
  z-index: 50;
  transition: all 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  backdrop-filter: blur(12px);
}

.scroll-bottom-btn:hover {
  background: var(--raised);
  transform: translateY(-2px);
  border-color: var(--accent);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.55), 0 0 12px rgba(59, 130, 246, 0.35);
}

.scroll-bottom-btn.hidden {
  display: none !important;
}

/* -------------------------------------------------------------- ChatGPT-Style Web Grounding Sources Bar & Citation Badges */
.web-sources-bar {
  margin-bottom: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 8px 10px;
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid var(--line-soft);
  border-radius: 12px;
}

.web-sources-header {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.web-sources-carousel {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 2px;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.15) transparent;
}

.web-sources-carousel::-webkit-scrollbar {
  height: 4px;
}
.web-sources-carousel::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.18);
  border-radius: 4px;
}

.web-source-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 10px;
  border-radius: 8px;
  background: var(--raised);
  border: 1px solid var(--line);
  color: var(--text);
  font-size: 11.5px;
  text-decoration: none;
  max-width: 210px;
  flex-shrink: 0;
  transition: all 0.15s ease;
  user-select: none;
}

.web-source-pill:hover {
  background: color-mix(in srgb, var(--accent) 15%, var(--raised));
  border-color: var(--accent);
  color: #fff;
  transform: translateY(-1px);
}

.web-source-favicon {
  width: 14px;
  height: 14px;
  border-radius: 3px;
  flex-shrink: 0;
}

.web-source-domain {
  font-weight: 600;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.citation-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1px 6px;
  margin: 0 2px;
  font-size: 10.5px;
  font-weight: 700;
  border-radius: 6px;
  background: rgba(59, 130, 246, 0.18);
  color: #60a5fa;
  border: 1px solid rgba(59, 130, 246, 0.35);
  text-decoration: none;
  vertical-align: baseline;
  cursor: pointer;
  transition: all 0.12s ease;
}

.citation-badge:hover {
  background: #2563eb;
  color: #fff;
  border-color: #3b82f6;
  transform: translateY(-1px);
}