:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --bg: #0d0f14;
  --bg-elevated: #12151c;
  --bg-soft: #171b23;
  --bg-hover: #1d222c;
  --sidebar: #11141a;
  --border: #272d38;
  --border-strong: #343c49;
  --text: #f3f5f7;
  --text-muted: #97a1b2;
  --text-soft: #c1c8d2;
  --accent: #4f8cff;
  --accent-soft: #20345b;
  --accent-text: #dbe8ff;
  --danger: #ff6b76;
  --success: #4dd59a;
  --warning: #e6b85c;
  --shadow: 0 18px 60px rgba(0, 0, 0, .28);
  --sidebar-width: 288px;
  --topbar-height: 64px;
  background: var(--bg);
  color: var(--text);
}

html[data-theme="light"] {
  color-scheme: light;
  --bg: #f7f8fa;
  --bg-elevated: #ffffff;
  --bg-soft: #f0f2f5;
  --bg-hover: #e9edf2;
  --sidebar: #f1f3f5;
  --border: #dfe3e8;
  --border-strong: #cbd2da;
  --text: #171a20;
  --text-muted: #687386;
  --text-soft: #495465;
  --accent-soft: #dce8ff;
  --accent-text: #173d78;
  --shadow: 0 18px 50px rgba(43, 54, 70, .16);
}

html[data-accent="violet"] { --accent: #8b72ff; --accent-soft: #30275e; --accent-text: #e5dfff; }
html[data-accent="green"] { --accent: #39c98a; --accent-soft: #173f31; --accent-text: #d8ffef; }
html[data-theme="light"][data-accent="violet"] { --accent-soft: #e9e4ff; --accent-text: #4933a1; }
html[data-theme="light"][data-accent="green"] { --accent-soft: #dff7ed; --accent-text: #176342; }

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  display: grid;
  grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
}

button, input, textarea, select { font: inherit; }
button { color: inherit; }
button, select { -webkit-tap-highlight-color: transparent; }
button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--accent) 78%, white 22%);
  outline-offset: 2px;
}
button:disabled { opacity: .48; cursor: not-allowed; }
input, select, textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg-soft);
  color: var(--text);
  padding: 11px 13px;
  transition: border-color .16s ease, background .16s ease, box-shadow .16s ease;
}
input:hover, select:hover, textarea:hover { border-color: var(--border-strong); }
input:focus, select:focus, textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent); }
textarea { resize: vertical; }
h1, h2, h3, p { margin-top: 0; }
h1 { letter-spacing: -.035em; }
h2 { letter-spacing: -.02em; }
small { color: var(--text-muted); }
.hidden { display: none !important; }
.muted { color: var(--text-muted); font-size: 13px; }
.eyebrow { color: var(--accent); font-size: 11px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.error-text { min-height: 20px; color: #ff9fa7; font-size: 13px; margin-top: 8px; }

.login-screen {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    radial-gradient(circle at 50% -10%, color-mix(in srgb, var(--accent) 20%, transparent), transparent 38%),
    var(--bg);
}
.login-card {
  width: min(440px, 100%);
  padding: 34px;
  border: 1px solid var(--border);
  border-radius: 24px;
  background: color-mix(in srgb, var(--bg-elevated) 94%, transparent);
  box-shadow: var(--shadow);
  display: grid;
  gap: 17px;
  backdrop-filter: blur(18px);
}
.login-card > div:nth-child(2) { text-align: center; }
.login-card h1 { margin: 8px 0 7px; font-size: 27px; }
.login-card p { color: var(--text-muted); line-height: 1.55; margin-bottom: 0; }
.login-card label { display: grid; gap: 7px; color: var(--text-soft); font-size: 14px; }
.login-card small { text-align: center; line-height: 1.5; }
.login-mark {
  width: 62px;
  height: 62px;
  margin: 0 auto;
  border-radius: 18px;
  display: grid;
  place-items: center;
  background: var(--text);
  color: var(--bg);
  font-size: 30px;
  font-weight: 900;
  box-shadow: 0 12px 34px color-mix(in srgb, var(--accent) 22%, transparent);
}
.primary-button {
  border: 1px solid var(--accent) !important;
  background: var(--accent) !important;
  color: white !important;
  font-weight: 700;
}
.primary-button:hover { filter: brightness(1.08); }

.sidebar {
  position: relative;
  z-index: 30;
  width: var(--sidebar-width);
  height: 100vh;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  overflow: hidden;
  border-right: 1px solid var(--border);
  background: var(--sidebar);
  transition: width .22s ease, transform .22s ease;
}
.sidebar-top {
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 3px 4px 3px 7px;
}
.brand-lockup { min-width: 0; display: flex; align-items: center; gap: 10px; }
.brand-symbol {
  flex: 0 0 31px;
  width: 31px;
  height: 31px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: var(--text);
  color: var(--bg);
  font-weight: 900;
}
.brand { font-size: 21px; font-weight: 850; letter-spacing: .16em; white-space: nowrap; }
.brand.large { font-size: 32px; }
.icon-button {
  width: 38px;
  height: 38px;
  flex: 0 0 38px;
  border: 1px solid transparent;
  border-radius: 11px;
  display: grid;
  place-items: center;
  background: transparent;
  color: var(--text-soft);
  cursor: pointer;
  transition: background .16s ease, border-color .16s ease;
}
.icon-button:hover { background: var(--bg-hover); border-color: var(--border); }

.new-chat-button, .nav-button {
  width: 100%;
  min-height: 44px;
  border: 1px solid transparent;
  border-radius: 12px;
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 10px 12px;
  background: transparent;
  color: var(--text-soft);
  cursor: pointer;
  text-align: left;
  white-space: nowrap;
  transition: background .16s ease, color .16s ease, border-color .16s ease;
}
.new-chat-button {
  border-color: var(--border-strong);
  background: var(--bg-elevated);
  color: var(--text);
  font-weight: 650;
}
.new-chat-button:hover, .nav-button:hover, .nav-button.active { background: var(--bg-hover); color: var(--text); }
.nav-button.active { border-color: color-mix(in srgb, var(--accent) 38%, var(--border)); }
.nav-icon { width: 21px; flex: 0 0 21px; text-align: center; font-size: 18px; }
.nav-label { overflow: hidden; text-overflow: ellipsis; }
.main-nav { display: grid; gap: 2px; }
.sidebar-search {
  min-height: 40px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 10px;
  border: 1px solid transparent;
  border-radius: 11px;
  color: var(--text-muted);
  background: var(--bg-soft);
}
.sidebar-search:focus-within { border-color: var(--border-strong); }
.sidebar-search input {
  min-width: 0;
  border: 0;
  border-radius: 0;
  padding: 8px 0;
  background: transparent;
  box-shadow: none;
  font-size: 13px;
}
.history-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 10px 1px;
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
}
.history-count { font-variant-numeric: tabular-nums; }
.conversations {
  min-height: 60px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
  overflow: auto;
  padding-right: 2px;
  scrollbar-width: thin;
}
.conversation {
  width: 100%;
  min-height: 40px;
  border: 1px solid transparent;
  border-radius: 10px;
  padding: 9px 11px;
  overflow: hidden;
  background: transparent;
  color: var(--text-soft);
  cursor: pointer;
  text-align: left;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.conversation:hover, .conversation.active { background: var(--bg-hover); color: var(--text); }
.server-card {
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px;
  display: grid;
  gap: 9px;
  background: var(--bg-elevated);
}
.server-card-heading { display: flex; align-items: center; gap: 8px; }
#server-status { color: var(--text-muted); font-size: 12px; line-height: 1.55; white-space: pre-line; }
.server-card button {
  border: 1px solid var(--border);
  border-radius: 9px;
  padding: 8px;
  background: var(--bg-soft);
  color: var(--text-soft);
  cursor: pointer;
}
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--success); box-shadow: 0 0 0 4px color-mix(in srgb, var(--success) 12%, transparent); }
.sidebar-profile { position: relative; border-top: 1px solid var(--border); padding-top: 9px; }
.profile-button {
  width: 100%;
  min-height: 52px;
  border: 0;
  border-radius: 13px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px;
  background: transparent;
  color: var(--text);
  cursor: pointer;
  text-align: left;
}
.profile-button:hover { background: var(--bg-hover); }
.account-avatar {
  width: 36px;
  height: 36px;
  flex: 0 0 36px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--accent-soft);
  color: var(--accent-text);
  font-weight: 800;
}
.profile-copy { min-width: 0; flex: 1; display: grid; gap: 2px; }
.profile-copy strong, .profile-copy small { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.profile-copy strong { font-size: 13px; }
.profile-copy small { font-size: 11px; }
.profile-chevron { color: var(--text-muted); }
.profile-menu {
  position: absolute;
  left: 0;
  right: 0;
  bottom: calc(100% + 8px);
  z-index: 10;
  padding: 7px;
  border: 1px solid var(--border);
  border-radius: 14px;
  display: grid;
  gap: 3px;
  background: var(--bg-elevated);
  box-shadow: var(--shadow);
}
.profile-menu button {
  border: 0;
  border-radius: 9px;
  padding: 10px;
  background: transparent;
  color: var(--text-soft);
  text-align: left;
  cursor: pointer;
}
.profile-menu button:hover { background: var(--bg-hover); color: var(--text); }
.danger-text { color: var(--danger) !important; }

.workspace {
  min-width: 0;
  height: 100vh;
  display: grid;
  grid-template-rows: var(--topbar-height) minmax(0, 1fr);
  background: var(--bg);
}
.topbar {
  position: relative;
  z-index: 20;
  min-width: 0;
  height: var(--topbar-height);
  border-bottom: 1px solid var(--border);
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(16px);
}
.topbar-left, .topbar-actions { min-width: 0; display: flex; align-items: center; gap: 11px; }
.topbar-left > div { min-width: 0; display: grid; gap: 2px; }
.topbar-left strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 15px; }
.topbar-left span { color: var(--text-muted); font-size: 12px; }
.mobile-menu-button { display: none; }
.mode-picker {
  height: 38px;
  max-width: 190px;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 7px 0 10px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg-elevated);
  color: var(--accent);
}
.mode-picker select { border: 0; padding: 0 22px 0 0; background: transparent; box-shadow: none; color: var(--text); font-size: 13px; cursor: pointer; }
.system-indicator {
  height: 38px;
  padding: 0 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-elevated);
  color: var(--text-muted);
  font-size: 12px;
}
.system-indicator.offline .status-dot { background: var(--danger); box-shadow: 0 0 0 4px color-mix(in srgb, var(--danger) 12%, transparent); }

.chat-view { min-height: 0; display: grid; grid-template-rows: minmax(0, 1fr) auto; overflow: hidden; }
.messages {
  min-height: 0;
  overflow: auto;
  padding: 34px clamp(20px, 5vw, 88px) 48px;
  scroll-behavior: smooth;
  scrollbar-width: thin;
}
.messages::after { content: ""; display: block; height: 12px; }
.message {
  position: relative;
  width: min(100%, 980px);
  margin: 0 auto 22px;
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 13px;
  color: var(--text);
  line-height: 1.68;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
.message.user { width: min(100%, 980px); }
.message-avatar {
  width: 34px;
  height: 34px;
  border-radius: 11px;
  display: grid;
  place-items: center;
  margin-top: 1px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  color: var(--text-soft);
  font-size: 12px;
  font-weight: 800;
}
.message.assistant .message-avatar { background: var(--text); color: var(--bg); border-color: var(--text); }
.message-content {
  min-width: 0;
  padding: 7px 42px 7px 0;
  font-size: 15px;
}
.message.user .message-content {
  width: fit-content;
  max-width: min(82%, 760px);
  justify-self: end;
  padding: 12px 16px;
  border-radius: 18px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
}
.message.user .message-avatar { order: 2; }
.message.user { grid-template-columns: minmax(0, 1fr) 38px; }
.message.error .message-content { color: #ffb4bb; }
.message-actions {
  position: absolute;
  top: 2px;
  right: 0;
  display: flex;
  opacity: 0;
  transition: opacity .15s ease;
}
.message:hover .message-actions { opacity: 1; }
.message-actions button {
  width: 32px;
  height: 32px;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: var(--bg-elevated);
  color: var(--text-muted);
  cursor: pointer;
}
.message-actions button:hover { color: var(--text); background: var(--bg-hover); }

.composer-zone {
  position: relative;
  z-index: 10;
  width: 100%;
  padding: 12px clamp(14px, 2.5vw, 36px) 18px;
  background: linear-gradient(to bottom, transparent, var(--bg) 24%);
}
.composer {
  width: 100%;
  margin: 0 auto;
  border: 1px solid var(--border-strong);
  border-radius: 22px;
  padding: 8px 10px 9px;
  background: var(--bg-elevated);
  box-shadow: 0 14px 42px rgba(0, 0, 0, .18);
  transition: border-color .16s ease, box-shadow .16s ease;
}
.composer:focus-within { border-color: color-mix(in srgb, var(--accent) 72%, var(--border)); box-shadow: 0 14px 44px rgba(0, 0, 0, .22), 0 0 0 3px color-mix(in srgb, var(--accent) 12%, transparent); }
.composer-toolbar {
  min-height: 30px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 12px;
}
.composer-tool {
  width: 30px;
  height: 30px;
  flex: 0 0 30px;
  border: 0;
  border-radius: 9px;
  display: grid;
  place-items: center;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
}
.composer-tool:hover, .composer-tool.recording { background: var(--bg-hover); color: var(--text); }
.composer-tool.recording { color: var(--danger); }
#composer-mode-hint { flex: 1; }
.composer-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: end; gap: 10px; }
.composer textarea {
  min-height: 52px;
  max-height: 220px;
  border: 0;
  border-radius: 0;
  padding: 12px 8px 10px;
  resize: none;
  overflow-y: auto;
  background: transparent;
  box-shadow: none;
  line-height: 1.5;
  font-size: 15px;
}
.send-button {
  width: 42px;
  height: 42px;
  border: 0;
  border-radius: 13px;
  display: grid;
  place-items: center;
  margin-bottom: 5px;
  background: var(--text);
  color: var(--bg);
  cursor: pointer;
  font-size: 22px;
  font-weight: 800;
  transition: transform .14s ease, opacity .14s ease;
}
.send-button:hover { transform: translateY(-1px); }
.composer-footer {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 4px 8px 0;
  color: var(--text-muted);
  font-size: 10px;
}

.admin-view { min-height: 0; overflow: auto; padding: clamp(18px, 3vw, 42px); }
.admin-header, .section-heading { display: flex; justify-content: space-between; gap: 20px; align-items: center; }
.admin-header { margin: 0 auto 26px; max-width: 1500px; }
.admin-header h1 { margin: 7px 0 7px; font-size: clamp(28px, 4vw, 42px); }
.admin-header p { color: var(--text-muted); margin-bottom: 0; }
.admin-header-actions { display: flex; gap: 9px; }
.admin-section {
  max-width: 1500px;
  margin: 0 auto 20px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  border-radius: 20px;
  padding: clamp(17px, 2vw, 24px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, .08);
}
.admin-section h2 { margin-bottom: 17px; }
.admin-view button, .admin-section button {
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  padding: 10px 13px;
  background: var(--bg-soft);
  color: var(--text);
  cursor: pointer;
}
.admin-view button:hover, .admin-section button:hover { background: var(--bg-hover); }
.grid-form { display: grid; grid-template-columns: repeat(5, minmax(130px, 1fr)); gap: 10px; align-items: center; }
.provider-form { grid-template-columns: repeat(3, minmax(150px, 1fr)); }
.approval-form { grid-template-columns: 1fr 2fr 3fr auto; }
.check { display: flex; align-items: center; gap: 7px; color: var(--text-soft); font-size: 14px; }
.check input { width: auto; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 12px; margin-top: 14px; }
.admin-card { border: 1px solid var(--border); border-radius: 15px; background: var(--bg-soft); padding: 15px; display: grid; gap: 10px; }
.card-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.danger { border-color: color-mix(in srgb, var(--danger) 55%, var(--border)) !important; color: #ffadb4 !important; }
.status-badge { width: max-content; border: 1px solid var(--border-strong); border-radius: 999px; padding: 4px 8px; font-size: 12px; }
pre { margin: 0; white-space: pre-wrap; overflow-wrap: anywhere; background: color-mix(in srgb, var(--bg) 84%, black 16%); border: 1px solid var(--border); border-radius: 11px; padding: 11px; font-size: 12px; }
.audit-list { display: grid; gap: 8px; }
.audit-row { border-left: 3px solid #53627a; background: var(--bg-soft); border-radius: 9px; padding: 11px; display: grid; gap: 5px; }
.risk-medium { border-color: #82723b; }
.risk-high { border-color: #95543b; }
.risk-critical { border-color: #983c47; }
.github-toolbar { display: grid; grid-template-columns: 2fr 1fr auto; gap: 10px; margin: 14px 0; }
.analysis-output { min-height: 180px; max-height: 520px; overflow: auto; }
.github-plans { display: grid; grid-template-columns: 1fr 2fr 1fr; gap: 12px; margin-top: 14px; align-items: start; }
.github-plans h3 { margin-bottom: 4px; }
.wide-card textarea { min-height: 180px; font-family: ui-monospace, SFMono-Regular, Consolas, monospace; }
.status-panel { border: 1px solid var(--border); background: var(--bg-soft); border-radius: 13px; padding: 12px; margin: 12px 0; white-space: pre-wrap; color: var(--text-soft); }
.status-panel.error { border-color: #833b43; color: #ffb7bc; }
.executor-form { grid-template-columns: 220px 1fr auto; }
.executor-form textarea { grid-column: 1 / -1; min-height: 180px; font-family: ui-monospace, SFMono-Regular, Consolas, monospace; }
.executor-job.status-dispatch_unknown { border-color: #8c6a2e; }
.executor-job.status-failed { border-color: #7c343b; }
.executor-job.status-succeeded { border-color: #2f6c50; }

.settings-dialog {
  width: min(920px, calc(100vw - 28px));
  height: min(680px, calc(100vh - 28px));
  max-width: none;
  max-height: none;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 22px;
  overflow: hidden;
  background: var(--bg-elevated);
  color: var(--text);
  box-shadow: var(--shadow);
}
.settings-dialog::backdrop { background: rgba(0, 0, 0, .58); backdrop-filter: blur(6px); }
.settings-shell { height: 100%; display: grid; grid-template-columns: 230px minmax(0, 1fr); }
.settings-nav {
  padding: 22px 14px;
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: var(--sidebar);
}
.settings-nav h2 { margin: 5px 8px 20px; }
.settings-tab {
  width: 100%;
  border: 0;
  border-radius: 10px;
  padding: 11px 12px;
  background: transparent;
  color: var(--text-soft);
  cursor: pointer;
  text-align: left;
}
.settings-tab:hover, .settings-tab.active { background: var(--bg-hover); color: var(--text); }
.admin-settings-link { margin-top: auto; }
.settings-content { min-width: 0; overflow: auto; padding: 24px 28px; }
.settings-heading { display: flex; justify-content: space-between; gap: 16px; align-items: start; padding-bottom: 16px; border-bottom: 1px solid var(--border); }
.settings-heading h2 { margin-bottom: 5px; }
.settings-heading p { margin-bottom: 0; color: var(--text-muted); font-size: 13px; }
.settings-panel { display: none; padding-top: 8px; }
.settings-panel.active { display: block; }
.setting-row {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  padding: 13px 0;
  border-bottom: 1px solid var(--border);
}
.setting-row > span { display: grid; gap: 5px; }
.setting-row small { line-height: 1.45; }
.setting-row select { width: min(220px, 45%); }
.switch-row input { width: 42px; height: 22px; accent-color: var(--accent); }
.setting-note { margin-top: 18px; padding: 15px; border: 1px solid var(--border); border-radius: 14px; background: var(--bg-soft); color: var(--text-soft); line-height: 1.6; }
.persona-card { margin-top: 18px; display: flex; align-items: center; gap: 14px; }
.persona-avatar { width: 52px; height: 52px; flex: 0 0 52px; border-radius: 16px; display: grid; place-items: center; background: var(--text); color: var(--bg); font-size: 23px; font-weight: 900; }
.persona-card p { margin: 4px 0 0; color: var(--text-muted); line-height: 1.5; }

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  z-index: 200;
  transform: translateX(-50%);
  max-width: min(520px, calc(100vw - 28px));
  padding: 11px 16px;
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  background: var(--bg-elevated);
  color: var(--text);
  box-shadow: var(--shadow);
  font-size: 13px;
}
.mobile-backdrop { position: fixed; inset: 0; z-index: 25; background: rgba(0, 0, 0, .52); }

body.sidebar-collapsed { --sidebar-width: 70px; }
body.sidebar-collapsed .sidebar { padding-inline: 9px; }
body.sidebar-collapsed .brand, body.sidebar-collapsed .nav-label, body.sidebar-collapsed .sidebar-search input,
body.sidebar-collapsed .sidebar-search span, body.sidebar-collapsed .history-count,
body.sidebar-collapsed .profile-copy, body.sidebar-collapsed .profile-chevron,
body.sidebar-collapsed .server-card { display: none !important; }
body.sidebar-collapsed .sidebar-top { justify-content: center; padding-inline: 0; }
body.sidebar-collapsed .sidebar-collapse { position: absolute; right: -17px; top: 17px; background: var(--bg-elevated); border-color: var(--border); transform: rotate(180deg); }
body.sidebar-collapsed .new-chat-button, body.sidebar-collapsed .nav-button, body.sidebar-collapsed .profile-button { justify-content: center; padding-inline: 0; }
body.sidebar-collapsed .sidebar-search { justify-content: center; padding: 0; background: transparent; }
body.sidebar-collapsed .history-heading { justify-content: center; padding-inline: 0; }
body.sidebar-collapsed .history-heading::before { content: "•••"; color: var(--text-muted); }
body.sidebar-collapsed .conversation { height: 40px; padding: 0; font-size: 0; display: grid; place-items: center; }
body.sidebar-collapsed .conversation::before { content: "◌"; font-size: 15px; }
body.sidebar-collapsed .profile-menu { left: 58px; right: auto; bottom: 0; width: 210px; }

html[data-density="compact"] .message { margin-bottom: 12px; line-height: 1.52; }
html[data-density="compact"] .message-content { font-size: 14px; }
html[data-density="compact"] .messages { padding-top: 22px; }
html[data-density="compact"] .conversation { min-height: 34px; padding-block: 7px; }
html[data-density="compact"] .admin-section { padding: 16px; }

@media (max-width: 1100px) {
  .grid-form, .provider-form, .approval-form, .github-plans { grid-template-columns: 1fr 1fr; }
  .wide-card { grid-column: 1 / -1; }
  .composer-footer span:last-child { display: none; }
  .system-indicator span:last-child { display: none; }
  .system-indicator { padding-inline: 11px; }
}

@media (max-width: 820px) {
  body, body.sidebar-collapsed { grid-template-columns: 1fr; --sidebar-width: min(86vw, 310px); }
  .sidebar {
    position: fixed;
    left: 0;
    top: 0;
    transform: translateX(-105%);
    box-shadow: 24px 0 60px rgba(0, 0, 0, .3);
  }
  body.mobile-sidebar-open .sidebar { transform: translateX(0); }
  body.sidebar-collapsed .brand, body.sidebar-collapsed .nav-label, body.sidebar-collapsed .sidebar-search input,
  body.sidebar-collapsed .sidebar-search span, body.sidebar-collapsed .history-count,
  body.sidebar-collapsed .profile-copy, body.sidebar-collapsed .profile-chevron { display: initial !important; }
  body.sidebar-collapsed .server-card { display: grid !important; }
  body.sidebar-collapsed .sidebar-top { justify-content: space-between; }
  body.sidebar-collapsed .sidebar-collapse { position: static; transform: none; background: transparent; border-color: transparent; }
  body.sidebar-collapsed .new-chat-button, body.sidebar-collapsed .nav-button, body.sidebar-collapsed .profile-button { justify-content: flex-start; padding-inline: 12px; }
  body.sidebar-collapsed .sidebar-search { justify-content: flex-start; padding: 0 10px; background: var(--bg-soft); }
  body.sidebar-collapsed .history-heading { justify-content: space-between; padding-inline: 10px; }
  body.sidebar-collapsed .history-heading::before { display: none; }
  body.sidebar-collapsed .conversation { height: auto; padding: 9px 11px; font-size: inherit; display: block; }
  body.sidebar-collapsed .conversation::before { display: none; }
  body.sidebar-collapsed .profile-menu { left: 0; right: 0; bottom: calc(100% + 8px); width: auto; }
  .mobile-menu-button { display: grid; }
  .sidebar-collapse { transform: rotate(180deg); }
  .topbar { padding-inline: 12px; }
  .top-settings { display: none; }
  .mode-picker { max-width: 150px; }
  .messages { padding: 24px 16px 36px; }
  .message { grid-template-columns: 32px minmax(0, 1fr); gap: 9px; }
  .message.user { grid-template-columns: minmax(0, 1fr) 32px; }
  .message-avatar { width: 30px; height: 30px; border-radius: 9px; }
  .message.user .message-content { max-width: 92%; }
  .composer-zone { padding: 9px 9px 12px; }
  .composer-footer { display: none; }
  .admin-header { align-items: flex-start; flex-direction: column; }
  .settings-shell { grid-template-columns: 1fr; }
  .settings-nav { border-right: 0; border-bottom: 1px solid var(--border); display: flex; flex-direction: row; overflow-x: auto; padding: 12px; }
  .settings-nav > div { display: none; }
  .settings-tab { width: auto; flex: 0 0 auto; white-space: nowrap; }
  .admin-settings-link { margin-top: 0; }
  .settings-content { padding: 18px; }
}

@media (max-width: 620px) {
  .mode-picker span { display: none; }
  .mode-picker { max-width: 136px; padding-left: 7px; }
  .topbar-left span { display: none; }
  .grid-form, .provider-form, .approval-form, .github-toolbar, .github-plans, .executor-form { grid-template-columns: 1fr; }
  .wide-card, .executor-form textarea { grid-column: auto; }
  .section-heading { align-items: flex-start; flex-direction: column; }
  .admin-header-actions { width: 100%; }
  .admin-header-actions button { flex: 1; }
  .setting-row { align-items: flex-start; flex-direction: column; gap: 10px; }
  .setting-row select { width: 100%; }
  .switch-row { flex-direction: row; align-items: center; }
  .composer-toolbar { padding-inline: 2px; }
  .message-actions { opacity: 1; }
}
body.hide-chat-hints .composer-footer,
body.hide-chat-hints #composer-mode-hint { display: none; }