:root {
  box-sizing: border-box;
}
*, *::before, *::after { box-sizing: inherit; }

:root {
  --bg: #e8e9eb;
  --bg-sidebar: rgba(250,251,255,.66);
  --bg-elevated: rgba(255,255,255,.62);
  --bg-hover: rgba(255,255,255,.76);
  --bg-input: rgba(255,255,255,.68);
  --border: rgba(255,255,255,.72);
  --border-soft: rgba(13,13,13,.07);
  --glass-edge: rgba(255,255,255,.82);
  --glass-inset: inset 0 1px 0 rgba(255,255,255,.68), inset 0 -1px 0 rgba(68,79,110,.06);
  --glass-shadow: 0 1px 1px rgba(20,22,26,.04), 0 8px 24px rgba(30,38,60,.08), 0 22px 60px rgba(30,38,60,.07);
  --text: #16171a;
  --text-secondary: #5b5f6b;
  --text-faint: #8b8f99;
  --accent: #1a1b1e;
  --accent-text: #ffffff;
  --bubble-user: rgba(255,255,255,.8);
  --scrollbar: rgba(0,0,0,.15);
  --shadow: 0 1px 1px rgba(20,22,26,.04), 0 12px 32px rgba(20,22,26,.12);
  --sheen: linear-gradient(135deg, rgba(255,255,255,.6) 0%, rgba(255,255,255,0) 35%, rgba(255,255,255,0) 70%, rgba(255,255,255,.3) 100%);
  --blur: 24px;
  --radius-lg: 20px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --ease: cubic-bezier(.32,.72,0,1);
  --ease-spring: cubic-bezier(.34,1.56,.64,1);

  --logo: url("image/icon_rounded_512.png");
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

:root[data-theme="dark"] {
  --bg: #101217;
  --bg-sidebar: rgba(27,31,40,.72);
  --bg-elevated: rgba(34,39,49,.7);
  --bg-hover: rgba(255,255,255,.1);
  --bg-input: rgba(31,36,46,.72);
  --border: rgba(255,255,255,.13);
  --border-soft: rgba(255,255,255,.07);
  --glass-edge: rgba(255,255,255,.22);
  --glass-inset: inset 0 1px 0 rgba(255,255,255,.18), inset 0 -1px 0 rgba(0,0,0,.2);
  --glass-shadow: 0 1px 1px rgba(0,0,0,.22), 0 10px 28px rgba(0,0,0,.28), 0 24px 64px rgba(0,0,0,.18);
  --text: #ececec;
  --text-secondary: #a9adb6;
  --text-faint: #7c8089;
  --accent: #f2f2f3;
  --accent-text: #0d0d0e;
  --bubble-user: rgba(255,255,255,.1);
  --scrollbar: rgba(255,255,255,.15);
  --shadow: 0 1px 1px rgba(0,0,0,.3), 0 12px 32px rgba(0,0,0,.45);
  --sheen: linear-gradient(135deg, rgba(255,255,255,.14) 0%, rgba(255,255,255,0) 35%, rgba(255,255,255,0) 70%, rgba(255,255,255,.06) 100%);
}

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

.backdrop {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  background: var(--bg);
}
.backdrop span {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  background: radial-gradient(circle at 30% 30%, rgba(255,255,255,.9), rgba(255,255,255,0) 70%);
  opacity: .8;
  animation: drift 22s ease-in-out infinite alternate;
}
.backdrop span:nth-child(1) { width: 480px; height: 480px; top: -160px; left: -120px; animation-delay: 0s; }
.backdrop span:nth-child(2) { width: 420px; height: 420px; bottom: -180px; left: 28%; background: radial-gradient(circle at 30% 30%, rgba(0,0,0,.12), rgba(0,0,0,0) 70%); animation-delay: -7s; }
.backdrop span:nth-child(3) { width: 380px; height: 380px; top: 8%; right: -140px; animation-delay: -14s; }
:root[data-theme="dark"] .backdrop span {
  background: radial-gradient(circle at 30% 30%, rgba(255,255,255,.16), rgba(255,255,255,0) 70%);
  opacity: .7;
}
:root[data-theme="dark"] .backdrop span:nth-child(2) {
  background: radial-gradient(circle at 30% 30%, rgba(255,255,255,.06), rgba(255,255,255,0) 70%);
}
@keyframes drift {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(40px, 30px) scale(1.08); }
}

.sidebar-backdrop {
  position: fixed;
  inset: 0;
  z-index: 40;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s var(--ease);
}
.sidebar-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

button { font-family: inherit; }
:where(button, a, input, textarea, select, [tabindex]):focus-visible {
  outline: 2px solid color-mix(in srgb, var(--accent) 72%, transparent);
  outline-offset: 3px;
}

.app-update-notice {
  position: fixed;
  z-index: 100;
  right: 20px;
  bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: calc(100vw - 40px);
  padding: 10px 12px 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-elevated);
  color: var(--text);
  box-shadow: var(--shadow);
  backdrop-filter: blur(var(--blur));
  -webkit-backdrop-filter: blur(var(--blur));
  font-size: 13px;
}
.app-update-notice[hidden] { display: none; }
.app-update-message { flex: 1; }
.app-update-reload {
  padding: 7px 12px;
  border: 0;
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: var(--accent-text);
  font-weight: 600;
  cursor: pointer;
}
.app-update-reload:disabled { opacity: .65; cursor: wait; }
.app-update-dismiss {
  width: 26px;
  height: 26px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: var(--text-secondary);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
}
.app-update-dismiss:hover { background: var(--bg-hover); color: var(--text); }

.app {
  position: relative;
  z-index: 1;
  display: flex;
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
}

.sidebar {
  width: 270px;
  flex-shrink: 0;
  background-image: var(--sheen);
  background-color: var(--bg-sidebar);
  backdrop-filter: blur(var(--blur)) saturate(140%);
  -webkit-backdrop-filter: blur(var(--blur)) saturate(140%);
  display: flex;
  flex-direction: column;
  padding: 12px;
  margin: 10px 0 10px 10px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--glass-shadow), var(--glass-inset);
  transition: transform .32s var(--ease), margin-left .32s var(--ease), opacity .25s var(--ease);
}
.sidebar.collapsed {
  margin-left: -290px;
  opacity: 0;
  pointer-events: none;
}

.sidebar-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 4px 12px 4px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 15.5px;
  color: var(--text);
}

.brand-mark {
  width: 26px;
  height: 26px;
  border-radius: 7px;
  background-image: var(--logo);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-color: #000000;
  flex-shrink: 0;
  display: inline-block;
}

.icon-btn {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  border: none;
  background: transparent;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background-color .2s var(--ease), color .2s var(--ease);
}
.icon-btn:hover { background: var(--bg-hover); color: var(--text); }
.icon-btn:active { transform: scale(.92); }

.new-chat-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 10px 14px;
  margin-bottom: 6px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
}
.new-chat-btn:hover { background: var(--bg-hover); }
.new-chat-btn:active { transform: scale(.98); }

.chat-search {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  margin-bottom: 8px;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 13px;
}
.chat-search:focus-within { background: var(--bg-hover); }
.chat-search input { min-width: 0; width: 100%; border: 0; outline: 0; background: transparent; color: var(--text); font: inherit; }
.chat-search input::placeholder { color: var(--text-faint); }
.sidebar-section-heading { display: flex; align-items: center; justify-content: space-between; padding-right: 6px; }
.project-add-btn { width: 26px; height: 26px; border: 0; border-radius: 7px; background: transparent; color: var(--text-secondary); font-size: 20px; cursor: pointer; }
.project-add-btn:hover, .project-actions button:hover { background: var(--bg-hover); color: var(--text); }
.project-list { display: flex; flex-direction: column; gap: 2px; max-height: 32vh; overflow-y: auto; }
.project-row { display: flex; align-items: center; gap: 4px; padding: 2px 5px 2px 10px; border-radius: var(--radius-md); }
.project-row.active, .project-row:hover { background: var(--bg-hover); }
.project-select { flex: 1; min-width: 0; padding: 6px 0; border: 0; text-align: left; background: transparent; color: var(--text); font: inherit; font-size: 13px; cursor: pointer; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.project-actions { display: none; gap: 2px; }
.project-row:hover .project-actions, .project-row:focus-within .project-actions { display: flex; }
.project-actions button { border: 0; background: transparent; color: var(--text-faint); border-radius: 5px; font-size: 10px; cursor: pointer; padding: 4px; }
.chat-history-item { display: flex; align-items: center; gap: 4px; padding: 3px 4px 3px 10px; border-radius: var(--radius-md); font-size: 13.5px; color: var(--text); }
.chat-title-btn { flex: 1; min-width: 0; border: 0; background: transparent; text-align: left; color: inherit; font: inherit; cursor: pointer; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; padding: 6px 0; }
.chat-project-select { width: 24px; border: 0; background: transparent; color: var(--text-faint); font-size: 0; cursor: pointer; }
.chat-project-select:focus { width: auto; font-size: 11px; color: var(--text); }
.chat-history-item:hover, .chat-history-item.active { background: var(--bg-hover); }
.local-storage-notice { margin: 6px 0 10px; color: var(--text-secondary); font-size: 12px; line-height: 1.45; }
.storage-actions { display: flex; gap: 8px; }
.storage-status { display: none; margin: 8px 0; color: #047857; font-size: 12px; line-height: 1.4; }
.storage-status.visible { display: block; }
.storage-status.error { color: #dc2626; }

.sidebar-section-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .4px;
  color: var(--text-faint);
  padding: 10px 10px 4px 10px;
}
.chat-history {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.chat-history-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: var(--radius-md);
  font-size: 13.5px;
  color: var(--text);
  cursor: pointer;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.chat-history-item:hover, .chat-history-item.active { background: var(--bg-hover); }

.sidebar-footer {
  border-top: 1px solid var(--border-soft);
  padding-top: 8px;
  margin-top: 6px;
}
.user-pill {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 8px;
  border-radius: var(--radius-md);
}
.user-pill:hover { background: var(--bg-hover); }
.user-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--accent-text);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 600;
  flex-shrink: 0;
}
.user-meta { flex: 1; min-width: 0; }
.user-pill-name { font-size: 13.5px; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-pill-plan { font-size: 11.5px; color: var(--text-faint); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  height: 100%;
  background: transparent;
}

.topbar {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 10px 10px 0 10px;
  padding: 8px 12px;
  flex-shrink: 0;
  background-image: var(--sheen);
  background-color: var(--bg-elevated);
  backdrop-filter: blur(var(--blur)) saturate(120%);
  -webkit-backdrop-filter: blur(var(--blur)) saturate(120%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--glass-shadow), var(--glass-inset);
}
.mobile-brand-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}
.topbar-spacer { flex: 1; }

.conversation {
  flex: 1;
  overflow-y: auto;
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: var(--scrollbar) transparent;
}
.conversation::-webkit-scrollbar { width: 6px; }
.conversation::-webkit-scrollbar-thumb { background: var(--scrollbar); border-radius: 6px; }

.conversation-inner {
  max-width: 768px;
  margin: 0 auto;
  padding: 24px 16px 40px;
}

.empty-state {
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 20px;
  gap: 20px;
  animation: rise .5s var(--ease) both;
}
.empty-mark {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  background-image: var(--logo);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-color: #000000;
  box-shadow: 0 6px 22px rgba(0, 0, 0, 0.18);
  flex-shrink: 0;
}
.empty-title { font-size: 22px; font-weight: 600; color: var(--text); }
.suggestion-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 10px;
  max-width: 560px;
  width: 100%;
}
.suggestion-card {
  text-align: left;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background-image: var(--sheen);
  background-color: var(--bg-elevated);
  backdrop-filter: blur(var(--blur)) saturate(155%);
  -webkit-backdrop-filter: blur(var(--blur)) saturate(155%);
  box-shadow: var(--shadow), var(--glass-inset);
  cursor: pointer;
  font-size: 13.5px;
  color: var(--text);
  transition: transform .25s var(--ease-spring), background-color .2s var(--ease);
}
.suggestion-card:hover { background-image: var(--sheen); background-color: var(--bg-hover); border-color: var(--glass-edge); box-shadow: var(--shadow), var(--glass-inset); transform: translateY(-2px); }
.suggestion-card .muted { color: var(--text-faint); display: block; font-size: 12px; margin-top: 2px; }

.message-row { display: flex; margin-bottom: 22px; gap: 12px; animation: rise .4s var(--ease) both; }
.message-row.user { justify-content: flex-end; }
@keyframes rise {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.avatar {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  flex-shrink: 0;
  background-image: var(--logo);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-color: #000000;
}
.bubble { font-size: 15px; line-height: 1.65; word-break: break-word; }
.message-row.assistant .bubble { max-width: 100%; color: var(--text); }
.message-row.user .bubble {
  background-image: var(--sheen);
  background-color: var(--bubble-user);
  backdrop-filter: blur(18px) saturate(135%);
  -webkit-backdrop-filter: blur(18px) saturate(135%);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 16px;
  border-radius: var(--radius-lg);
  max-width: 80%;
  box-shadow: 0 1px 1px rgba(20,22,26,.04), 0 8px 20px rgba(30,38,60,.08), var(--glass-inset);
}

.typing-dots { display: flex; gap: 4px; padding: 6px 0; }
.typing-dots span {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--text-faint);
  animation: bounce 1.2s infinite ease-in-out;
}
.typing-dots span:nth-child(2) { animation-delay: .15s; }
.typing-dots span:nth-child(3) { animation-delay: .3s; }
@keyframes bounce {
  0%, 60%, 100% { transform: translateY(0); opacity: .5; }
  30% { transform: translateY(-4px); opacity: 1; }
}

.bubble h1, .bubble h2, .bubble h3, .bubble h4 { margin: 14px 0 8px 0; font-weight: 600; line-height: 1.3; }
.bubble h1 { font-size: 1.25rem; }
.bubble h2 { font-size: 1.15rem; }
.bubble h3 { font-size: 1.05rem; }
.bubble p { margin: 0 0 10px 0; }
.bubble p:last-child { margin-bottom: 0; }
.bubble a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }
.bubble a:hover { opacity: .75; }
.bubble ul, .bubble ol { margin: 0 0 12px 0; padding-left: 20px; }
.bubble li { margin-bottom: 4px; }
.bubble code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 13px;
  background: var(--bg-hover);
  padding: 2px 5px;
  border-radius: 4px;
}

.code-container {
  margin: 14px 0;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  overflow: hidden;
  background: var(--bg-elevated);
  box-shadow: var(--shadow);
}
.code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 12px;
  background: var(--bg-hover);
  border-bottom: 1px solid var(--border-soft);
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
}
.code-container pre {
  margin: 0;
  padding: 12px 14px;
  background: transparent;
  border: none;
  overflow-x: auto;
}
.code-container pre code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 13px;
  line-height: 1.5;
  color: var(--text);
  display: block;
}
.copy-btn {
  background: transparent;
  border: none;
  color: var(--text-faint);
  font-size: 11px;
  cursor: pointer;
  padding: 3px 6px;
  border-radius: var(--radius-sm);
}
.copy-btn:hover { background: var(--bg-hover); color: var(--text); }

.download-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 16px 0 6px 0;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background-image: var(--sheen);
  background-color: var(--bg-hover);
  box-shadow: var(--shadow);
}
.download-info { display: flex; align-items: center; gap: 10px; font-size: 13.5px; font-weight: 500; color: var(--text); }
.download-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: var(--accent-text);
  font-size: 12.5px;
  font-weight: 600;
  border: none;
  cursor: pointer;
}
.download-btn:active { transform: scale(.95); }

.image-card {
  width: min(100%, 620px);
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-elevated);
  box-shadow: var(--shadow);
}
.generated-image {
  display: block;
  width: 100%;
  height: auto;
  max-height: 70vh;
  object-fit: contain;
  background: var(--bg);
}
.image-load-error {
  padding: 24px 16px;
  color: var(--text-secondary);
  font-size: 13px;
  line-height: 1.5;
  text-align: center;
}
.image-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
}
.image-card-copy { min-width: 0; }
.image-card-prompt {
  color: var(--text);
  font-size: 13px;
  line-height: 1.4;
  overflow-wrap: anywhere;
}
.image-card-meta {
  margin-top: 3px;
  color: var(--text-faint);
  font-size: 11.5px;
}
.image-download-btn {
  flex-shrink: 0;
  padding: 8px 12px;
  border: none;
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: var(--accent-text);
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
}
.image-status {
  color: var(--text-secondary);
  font-size: 13.5px;
}
.persistence-warning {
  margin-top: 8px;
  color: #b45309;
  font-size: 12px;
}

.composer-wrap {
  flex-shrink: 0;
  padding: 0 16px 16px 16px;
}
.composer {
  max-width: 768px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  background-image: var(--sheen);
  background-color: var(--bg-input);
  backdrop-filter: blur(30px) saturate(165%);
  -webkit-backdrop-filter: blur(30px) saturate(165%);
  border: 1px solid var(--glass-edge);
  border-radius: var(--radius-lg);
  padding: 8px 10px;
  box-shadow: var(--glass-shadow), var(--glass-inset);
}
.image-download-btn:focus-visible,
.voice-btn:focus-visible {
  outline: 2px solid var(--text);
  outline-offset: 2px;
}
.composer-row {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  width: 100%;
}
.composer textarea {
  flex: 1;
  border: none;
  outline: none;
  resize: none;
  background: transparent;
  color: var(--text);
  font-family: inherit;
  font-size: 15px;
  line-height: 1.5;
  max-height: 180px;
  padding: 6px 0;
}
.composer textarea::placeholder { color: var(--text-faint); }

.attach-btn {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  flex-shrink: 0;
}
.attach-btn:hover,
.voice-btn:hover { background: var(--bg-hover); color: var(--text); }
.voice-btn { width: 32px; height: 32px; border-radius: var(--radius-sm); color: var(--text-secondary); flex-shrink: 0; }
.voice-btn.listening { background: #ef4444; color: #fff; animation: voice-pulse 1.2s ease-in-out infinite; }
.voice-btn:disabled { opacity: .45; cursor: not-allowed; }
@keyframes voice-pulse { 50% { box-shadow: 0 0 0 5px rgba(239, 68, 68, .18); } }

.attachment-preview {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 6px 8px 6px;
  border-bottom: 1px solid var(--border-soft);
  margin-bottom: 6px;
}
.attachment-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: var(--bg-hover);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 12px;
  color: var(--text);
}
.attachment-file {
  display: inline-flex;
  align-items: center;
  margin-top: 10px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 12px;
}
.attachment-image {
  display: block;
  max-width: min(100%, 360px);
  max-height: 320px;
  margin-top: 10px;
  border-radius: var(--radius-md);
  object-fit: contain;
}
.web-image-results {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 9px;
  margin-top: 12px;
  max-width: 520px;
}
.web-image-card {
  min-width: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-elevated);
  color: var(--text);
  text-decoration: none;
}
.web-image-card:hover, .web-image-card:focus-visible { border-color: var(--accent); }
.web-image-card img {
  width: 100%;
  height: 130px;
  object-fit: cover;
  background: var(--bg-hover);
}
.web-image-title, .web-image-source {
  overflow: hidden;
  padding: 7px 9px 0;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.web-image-title { font-size: 12px; }
.web-image-source { padding-top: 3px; padding-bottom: 8px; color: var(--text-faint); font-size: 10px; }
@media (max-width: 520px) {
  .web-image-results { grid-template-columns: 1fr 1fr; gap: 6px; }
  .web-image-card img { height: 100px; }
}
.attachment-name {
  max-width: 200px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-weight: 500;
}
.attachment-remove {
  background: transparent;
  border: none;
  color: var(--text-faint);
  font-size: 14px;
  cursor: pointer;
  padding: 0 2px;
  line-height: 1;
}
.attachment-remove:hover { color: #ef4444; }

.stop-btn[hidden],
.send-btn[hidden] { display: none; }
.stop-btn:not([hidden]) { flex-shrink: 0; }

.send-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: none;
  background: var(--text-faint);
  color: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: transform .2s var(--ease);
}
.send-btn.ready { background: var(--accent); color: var(--accent-text); transform: scale(1.04); }
.send-btn:disabled { cursor: default; }
.composer-hint { text-align: center; font-size: 11px; color: var(--text-faint); margin-top: 6px; }

.project-dialog-overlay { position: fixed; inset: 0; z-index: 70; display: flex; align-items: center; justify-content: center; padding: 16px; background: rgba(0,0,0,.4); }
.project-dialog-overlay[hidden] { display: none; }
.project-dialog { width: 360px; max-width: 100%; padding: 18px; border: 1px solid var(--glass-edge); border-radius: var(--radius-lg); background: var(--bg-elevated); backdrop-filter: blur(32px) saturate(155%); -webkit-backdrop-filter: blur(32px) saturate(155%); box-shadow: var(--glass-shadow), var(--glass-inset); }
.project-dialog input { width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--bg-input); color: var(--text); font: inherit; }
.project-dialog-actions { display: flex; justify-content: flex-end; align-items: center; gap: 8px; margin-top: 14px; }
.project-dialog-actions .settings-save { width: auto; margin: 0; padding: 9px 12px; }
.settings-overlay {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,.35);
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s var(--ease);
}
.settings-overlay.open { opacity: 1; pointer-events: auto; }
.settings-panel {
  width: 380px;
  max-width: calc(100vw - 32px);
  background-image: var(--sheen);
  background-color: var(--bg-elevated);
  backdrop-filter: blur(32px) saturate(155%);
  -webkit-backdrop-filter: blur(32px) saturate(155%);
  border: 1px solid var(--glass-edge);
  border-radius: var(--radius-lg);
  box-shadow: var(--glass-shadow), var(--glass-inset);
  padding: 18px;
  transform: translateY(12px) scale(.98);
  transition: transform .28s var(--ease-spring);
}
.settings-overlay.open .settings-panel { transform: translateY(0) scale(1); }
.settings-head { display: flex; align-items: center; justify-content: space-between; font-weight: 600; font-size: 15.5px; margin-bottom: 12px; }
.setting-item { display: flex; align-items: center; justify-content: space-between; padding: 12px 0; border-bottom: 1px solid var(--border-soft); }
.setting-info { display: flex; flex-direction: column; gap: 2px; padding-right: 12px; }
.setting-title { font-size: 13.5px; font-weight: 500; color: var(--text); }
.setting-desc { font-size: 12px; color: var(--text-faint); }
.setting-block { padding: 12px 0 4px 0; border-bottom: 1px solid var(--border-soft); }
.setting-block:last-of-type { border-bottom: none; }
.settings-label { display: block; font-size: 12px; color: var(--text-faint); margin-bottom: 6px; text-transform: uppercase; letter-spacing: .4px; }
.style-toggle { display: flex; gap: 6px; background: var(--bg-hover); border-radius: var(--radius-md); padding: 3px; }
.style-btn {
  flex: 1;
  padding: 7px 0;
  border: none;
  border-radius: calc(var(--radius-md) - 3px);
  background: transparent;
  color: var(--text-secondary);
  font-size: 13px;
  cursor: pointer;
}
.style-btn.active { background: var(--bg-elevated); color: var(--text); font-weight: 600; box-shadow: var(--shadow); }

.switch { position: relative; display: inline-block; width: 38px; height: 22px; flex-shrink: 0; }
.switch input { opacity: 0; width: 0; height: 0; }
.slider { position: absolute; cursor: pointer; inset: 0; background-color: var(--border); transition: .25s var(--ease); border-radius: 22px; }
.slider:before { position: absolute; content: ""; height: 16px; width: 16px; left: 3px; bottom: 3px; background-color: #fff; transition: .25s var(--ease); border-radius: 50%; }
input:checked + .slider { background-color: #10b981; }
input:checked + .slider:before { transform: translateX(16px); }

.danger-btn {
  width: 100%;
  padding: 8px 0;
  margin-top: 4px;
  background: transparent;
  border: 1px solid var(--border);
  color: #ef4444;
  border-radius: var(--radius-sm);
  font-size: 12.5px;
  cursor: pointer;
}
.danger-btn:hover { background: rgba(239, 68, 68, 0.08); }

.connector-list { display: grid; gap: 12px; }
.connector-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-secondary);
}
.connector-row .setting-info { min-width: 0; }
.connector-status { display: inline-block; margin-top: 6px; color: var(--text-faint); font-size: 11px; }
.connector-status[data-status="connected"] { color: #059669; }
.connector-status[data-status="error"], .connector-status[data-status="revoked"] { color: #dc2626; }
.connector-actions { display: flex; flex: 0 0 auto; gap: 6px; }
.connector-btn {
  padding: 7px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
  color: var(--text);
  font-size: 12px;
  cursor: pointer;
}
.connector-btn:hover { border-color: var(--accent); }
.connector-btn-danger { color: #dc2626; }
.connector-btn:disabled { cursor: wait; opacity: .6; }
.connector-security-note { display: block; margin-top: 10px; }
.connector-consent { display: flex; align-items: flex-start; gap: 8px; margin: 10px 0 12px; color: var(--text-secondary); font-size: 12px; line-height: 1.4; }
.connector-consent input { margin-top: 2px; accent-color: var(--accent); }

.settings-save {
  width: 100%;
  margin-top: 16px;
  padding: 10px 0;
  border: none;
  border-radius: var(--radius-md);
  background: var(--accent);
  color: var(--accent-text);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}

@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .sidebar, .topbar, .suggestion-card, .message-row.user .bubble, .composer, .settings-panel, .project-dialog, .app-update-notice {
    background-color: var(--bg-input);
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}

@media (max-width: 768px) {

  .sidebar {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    margin: 0;
    height: 100%;
    height: 100dvh;
    width: 290px;
    max-width: 85vw;
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
    z-index: 50;
    transform: translateX(0);
    opacity: 1;
    pointer-events: auto;
    box-shadow: 0 0 35px rgba(0,0,0,0.35);

    padding-top: max(16px, env(safe-area-inset-top));
    padding-bottom: max(16px, env(safe-area-inset-bottom));
    padding-left: 14px;
    padding-right: 14px;
  }

  .sidebar.collapsed {
    transform: translateX(-100%);
    margin-left: 0;
    opacity: 1;
    pointer-events: none;
  }

  .sidebar-top {
    padding-top: 4px;
    padding-bottom: 14px;
  }

  .sidebar-footer {
    padding-bottom: 4px;
  }

  .mobile-brand-title .brand-mark {
    width: 30px;
    height: 30px;
  }

  .topbar {
    margin: 0 0 4px 0;
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    border-left: none;
    border-right: none;
    border-top: none;
    padding-top: max(10px, env(safe-area-inset-top));
    padding-bottom: 10px;
    padding-left: 14px;
    padding-right: 14px;
  }

  .composer-wrap {
    padding-left: 12px;
    padding-right: 12px;
    padding-top: 4px;
    padding-bottom: max(8px, calc(env(safe-area-inset-bottom) * 0.5));
  }

  .conversation-inner {
    padding: 16px 12px 28px;
  }

  .suggestion-grid {
    grid-template-columns: 1fr;
  }

  .message-row.user .bubble {
    max-width: 88%;
  }

  .app-update-notice {
    right: 12px;
    bottom: 12px;
    left: 12px;
    max-width: none;
  }

  .download-card {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }
  .download-btn {
    justify-content: center;
  }

  .image-card-footer {
    align-items: stretch;
    flex-direction: column;
  }

  .image-download-btn {
    min-height: 40px;
    width: 100%;
  }
}