:root {
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  color: #e8edf2;
  background: #0d1117;
  font-synthesis: none;
  --bg: #0d1117;
  --panel: #151a21;
  --panel-2: #1b222c;
  --sidebar: #10151c;
  --header: rgb(13 17 23 / 82%);
  --line: #28313d;
  --muted: #8b96a5;
  --text: #e8edf2;
  --text-soft: #c2cad4;
  --accent: #8b72ff;
  --accent-hover: #9e89ff;
  --accent-contrast: #ffffff;
  --accent-soft: #231f3d;
  --accent-border: #4d4089;
  --danger: #ff7b86;
  --danger-soft: #321d23;
  --warning: #f1c75b;
  --warning-soft: #302a18;
  --success-soft: #1d3029;
  --overlay: #1d2530;
  --code-bg: #0b0f14;
  --user-bubble: #26213f;
  --shadow: 0 16px 45px rgb(0 0 0 / 35%);
  --radius: 13px;
}

:root[data-theme="light"] {
  color: #1c2430;
  background: #f6f7f9;
  --bg: #f6f7f9;
  --panel: #ffffff;
  --panel-2: #f1f3f6;
  --sidebar: #fbfbfc;
  --header: rgb(246 247 249 / 86%);
  --line: #dde2e8;
  --muted: #687386;
  --text: #1c2430;
  --text-soft: #4f5b6b;
  --accent: #6748e8;
  --accent-hover: #5739d4;
  --accent-contrast: #ffffff;
  --accent-soft: #eeeaff;
  --accent-border: #c9befd;
  --danger: #d94354;
  --danger-soft: #fff0f2;
  --warning: #9b6b00;
  --warning-soft: #fff7df;
  --success-soft: #e8f7ef;
  --overlay: #ffffff;
  --code-bg: #f4f5f7;
  --user-bubble: #eeeaff;
  --shadow: 0 16px 45px rgb(31 41 55 / 12%);
}

* { box-sizing: border-box; }
body { margin: 0; min-width: 320px; color: var(--text); background: var(--bg); transition: color .2s, background .2s; }
.pairing-screen { min-height: 100vh; display: grid; place-items: center; padding: 24px; background: radial-gradient(circle at 50% 0%, var(--accent-soft), transparent 38%), var(--bg); }
.pairing-card { width: min(100%, 420px); padding: 30px; border: 1px solid var(--line); border-radius: 18px; background: var(--panel); box-shadow: var(--shadow); }
.pairing-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 28px; }
.pairing-icon { width: 52px; height: 52px; display: grid; place-items: center; margin-bottom: 18px; border-radius: 14px; color: var(--accent); background: var(--accent-soft); font-size: 24px; }
.pairing-card h1 { margin: 0 0 9px; font-size: 24px; }
.pairing-card > p { margin: 0 0 18px; color: var(--muted); font-size: 13px; line-height: 1.65; }
.pairing-command { display: block; margin-bottom: 22px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; color: var(--text); background: var(--code-bg); font: 12px/1.5 ui-monospace, SFMono-Regular, Consolas, monospace; }
.pairing-card form { display: grid; gap: 10px; }
.pairing-card label { color: var(--text-soft); font-size: 11px; font-weight: 650; }
.pairing-card input { width: 100%; padding: 12px 14px; border: 1px solid var(--line); border-radius: 10px; color: var(--text); background: var(--panel-2); font: 600 22px/1.2 ui-monospace, SFMono-Regular, Consolas, monospace; letter-spacing: .28em; text-align: center; }
.pairing-card form .primary { margin-top: 3px; padding: 11px 14px; }
.pairing-card > small { display: block; margin-top: 17px; color: var(--muted); font-size: 10px; line-height: 1.5; }
.pairing-error { padding: 8px 10px; border-radius: 8px; color: var(--danger); background: var(--danger-soft); font-size: 11px; }
.auth-loading { color: var(--muted); font-size: 13px; }
button, input, textarea, select { font: inherit; }
button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
button:disabled { cursor: not-allowed; opacity: .45; }
.shell { height: 100vh; display: grid; grid-template-columns: 232px 1fr; }
.sidebar { border-right: 1px solid var(--line); background: var(--sidebar); display: flex; flex-direction: column; padding: 20px 14px; }
.brand { display: flex; align-items: center; gap: 12px; padding: 2px 8px 26px; }
.brand-mark, .empty-logo { display: grid; place-items: center; background: var(--accent); color: var(--accent-contrast); font-weight: 900; border-radius: 10px; }
.brand-mark { width: 35px; height: 35px; }
.brand strong, .brand small { display: block; }
.brand small { color: var(--muted); font-size: 11px; margin-top: 2px; }
.sidebar nav { display: grid; gap: 5px; }
.sidebar nav button, .settings-nav button { border: 0; background: transparent; color: var(--muted); text-align: left; padding: 11px 13px; border-radius: 9px; cursor: pointer; }
.sidebar nav button span { display: inline-block; width: 25px; }
.sidebar nav button:hover, .sidebar nav button.active, .settings-nav button:hover, .settings-nav button[data-state="active"] { background: var(--accent-soft); color: var(--text); }
.sidebar nav button.active { color: var(--accent); }
.gateway-status { margin-top: auto; border-top: 1px solid var(--line); padding: 18px 8px 2px; display: flex; gap: 10px; align-items: center; }
.gateway-status i { width: 9px; height: 9px; border-radius: 50%; color: var(--warning); background: currentColor; box-shadow: 0 0 12px currentColor; }
.gateway-status i.online { color: #48b985; background: currentColor; }
.gateway-status b, .gateway-status small { display: block; font-size: 12px; }
.gateway-status small { color: var(--muted); margin-top: 2px; }
main { min-width: 0; height: 100vh; display: flex; flex-direction: column; }
.topbar { height: 76px; flex: 0 0 76px; border-bottom: 1px solid var(--line); display: flex; align-items: center; padding: 0 26px; background: var(--header); backdrop-filter: blur(16px); }
.topbar h1 { font-size: 18px; margin: 0; }
.topbar p { font-size: 12px; color: var(--muted); margin: 4px 0 0; }
.topbar .menu { display: none; background: none; border: 0; color: var(--text); font-size: 20px; margin-right: 12px; }
.theme-toggle { margin-left: auto; display: flex; align-items: center; gap: 7px; height: 34px; padding: 0 11px; border: 1px solid var(--line); border-radius: 9px; color: var(--muted); background: var(--panel); cursor: pointer; font-size: 12px; }
.theme-toggle:hover { color: var(--text); border-color: var(--accent-border); }
.page { min-height: 0; flex: 1; }
.chat-layout { display: grid; grid-template-columns: 270px minmax(0, 1fr); }
.chat-layout.todo-open { grid-template-columns: 270px minmax(0, 1fr) 320px; }
.sessions-panel { border-right: 1px solid var(--line); padding: 16px; background: color-mix(in srgb, var(--sidebar) 72%, transparent); overflow: auto; }
.primary, .secondary { border-radius: 9px; padding: 9px 14px; font-weight: 650; cursor: pointer; }
.primary { border: 1px solid var(--accent); background: var(--accent); color: var(--accent-contrast); }
.primary:hover { border-color: var(--accent-hover); background: var(--accent-hover); }
.secondary { border: 1px solid var(--line); background: var(--panel-2); color: var(--text); }
.full { width: 100%; padding: 11px; }
.search { height: 39px; border: 1px solid var(--line); border-radius: 9px; background: var(--panel); display: flex; align-items: center; padding: 0 11px; color: var(--muted); }
.sessions-panel > .search { margin: 13px 0; }
.search input { border: 0; outline: 0; background: transparent; color: var(--text); width: 100%; padding: 0 7px; }
.session-list { display: grid; gap: 5px; }
.session-item { width: 100%; padding: 10px; border-radius: 9px; cursor: pointer; border: 1px solid transparent; color: var(--text); background: transparent; text-align: left; }
.session-item:hover, .session-item.active { background: var(--panel-2); border-color: var(--line); }
.session-item.active { border-left-color: var(--accent); }
.session-item strong { font-size: 13px; display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.plan-unread { display: inline-block; width: 7px; height: 7px; margin-left: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 9px var(--accent); }
.session-item small { color: var(--muted); font-size: 11px; display: flex; justify-content: space-between; margin-top: 6px; }
.chat-panel { display: flex; flex-direction: column; min-width: 0; min-height: 0; }
.chat-heading { height: 57px; flex: 0 0 57px; border-bottom: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; padding: 0 20px; }
.chat-heading strong, .chat-heading small { display: block; }
.chat-heading strong { font-size: 13px; }
.chat-heading-actions { display: flex; align-items: center; gap: 9px; }
.todo-toggle { border: 1px solid var(--line); border-radius: 8px; padding: 6px 9px; background: var(--panel-2); color: var(--muted); font-size: 11px; cursor: pointer; }
.todo-toggle.active { border-color: var(--accent-border); color: var(--accent); background: var(--accent-soft); }
.chat-heading small { font-size: 10px; color: var(--muted); margin-top: 3px; }
.icon-button { border: 0; background: none; color: var(--muted); font-size: 20px; cursor: pointer; border-radius: 6px; }
.tooltip { z-index: 50; border: 1px solid var(--line); background: var(--overlay); color: var(--text); padding: 6px 9px; border-radius: 7px; font-size: 11px; box-shadow: var(--shadow); }
.tooltip-arrow { fill: var(--overlay); }
.messages { flex: 1; min-height: 0; overflow-y: auto; padding: 26px max(24px, calc((100% - 850px) / 2)) 18px; }
.empty { text-align: center; color: var(--muted); padding-top: 12vh; }
.empty-logo { width: 54px; height: 54px; margin: auto; font-size: 24px; }
.empty h2 { color: var(--text); font-size: 24px; margin: 18px 0 8px; }
.empty p { font-size: 13px; }
.message { display: flex; gap: 12px; margin: 15px 0; align-items: flex-start; }
.message.user { flex-direction: row-reverse; }
.avatar { width: 28px; height: 28px; flex: 0 0 28px; border: 1px solid var(--line); border-radius: 8px; display: grid; place-items: center; font-size: 11px; background: var(--panel-2); }
.message.assistant .avatar { background: var(--accent); color: var(--accent-contrast); border-color: var(--accent); font-weight: bold; }
.message-content { display: grid; gap: 8px; max-width: min(82%, 760px); min-width: 0; }
.message.user .message-content { justify-items: end; }
.bubble { max-width: 100%; padding: 11px 14px; border: 1px solid var(--line); border-radius: 12px; background: var(--panel); font-size: 14px; line-height: 1.62; overflow-wrap: anywhere; }
.message.user .bubble { background: var(--user-bubble); border-color: var(--accent-border); }
.message-attachments { display: grid; gap: 7px; width: min(100%, 520px); }
.attachment-card { display: grid; grid-template-columns: 42px minmax(0, 1fr) 30px; gap: 9px; align-items: center; padding: 8px; border: 1px solid var(--line); border-radius: 10px; background: var(--panel); }
.attachment-card img, .attachment-icon { width: 42px; height: 42px; border-radius: 7px; object-fit: cover; background: var(--panel-2); display: grid; place-items: center; color: var(--accent); }
.attachment-card strong, .attachment-card small { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.attachment-card strong { font-size: 12px; }.attachment-card small { margin-top: 3px; color: var(--muted); font-size: 9px; }
.attachment-card a { width: 28px; height: 28px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 7px; color: var(--accent); text-decoration: none; }
.typing .bubble { color: var(--muted); }
.pulse { display: inline-block; width: 6px; height: 6px; margin-right: 8px; border-radius: 50%; background: var(--accent); animation: pulse 1.1s infinite; }
@keyframes pulse { 50% { opacity: .25; transform: scale(.8); } }
.markdown-body { min-width: 0; }
.markdown-body > :first-child { margin-top: 0; }
.markdown-body > :last-child { margin-bottom: 0; }
.markdown-body p, .markdown-body ul, .markdown-body ol, .markdown-body blockquote, .markdown-body pre, .markdown-body table { margin: .65em 0; }
.markdown-body ul, .markdown-body ol { padding-left: 1.4em; }
.markdown-body li + li { margin-top: .2em; }
.markdown-body h1, .markdown-body h2, .markdown-body h3, .markdown-body h4 { margin: 1em 0 .45em; line-height: 1.3; }
.markdown-body h1 { font-size: 1.45em; }
.markdown-body h2 { font-size: 1.25em; }
.markdown-body h3 { font-size: 1.1em; }
.markdown-body a { color: var(--accent); text-underline-offset: 2px; }
.markdown-body blockquote { padding-left: 12px; border-left: 3px solid var(--accent-border); color: var(--muted); }
.markdown-body code { padding: .14em .35em; border: 1px solid var(--line); border-radius: 5px; color: var(--text); background: var(--code-bg); font: .88em/1.5 ui-monospace, SFMono-Regular, Consolas, monospace; }
.markdown-body pre { max-width: 100%; padding: 12px 13px; overflow-x: auto; border: 1px solid var(--line); border-radius: 9px; background: var(--code-bg); }
.markdown-body pre code { padding: 0; border: 0; background: transparent; }
.markdown-body table { display: block; max-width: 100%; border-collapse: collapse; overflow-x: auto; }
.markdown-body th, .markdown-body td { padding: 7px 10px; border: 1px solid var(--line); text-align: left; }
.markdown-body th { background: var(--panel-2); }
.markdown-body hr { border: 0; border-top: 1px solid var(--line); }
.markdown-body img { max-width: 100%; border-radius: 9px; }
.tool-calls { display: grid; gap: 7px; width: min(100%, 680px); }
.tool-call { overflow: hidden; border: 1px solid var(--line); border-radius: 11px; background: var(--panel); }
.tool-call.open { border-color: var(--accent-border); }
.tool-call-summary { width: 100%; min-height: 48px; display: grid; grid-template-columns: 30px 1fr auto 18px; align-items: center; gap: 9px; padding: 7px 11px; border: 0; color: var(--text); background: transparent; text-align: left; cursor: pointer; }
.tool-call-summary:hover { background: var(--panel-2); }
.tool-call-icon { width: 28px; height: 28px; display: grid; place-items: center; border-radius: 8px; color: var(--accent); background: var(--accent-soft); font-size: 13px; }
.tool-call-title small, .tool-call-title strong { display: block; }
.tool-call-title small { margin-bottom: 1px; color: var(--muted); font-size: 9px; font-weight: 500; }
.tool-call-title strong { font: 600 12px/1.4 ui-monospace, SFMono-Regular, Consolas, monospace; }
.tool-call-status { color: var(--muted); font-size: 10px; }
.tool-call-chevron { color: var(--muted); transition: transform .18s; }
.tool-call.open .tool-call-chevron { transform: rotate(180deg); }
.tool-call-details { display: grid; gap: 12px; padding: 12px; border-top: 1px solid var(--line); background: color-mix(in srgb, var(--panel-2) 55%, transparent); }
.tool-call-details > div > span { display: block; margin-bottom: 6px; color: var(--muted); font-size: 9px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.tool-call-details pre, .tool-result { max-height: 300px; margin: 0; padding: 10px 11px; overflow: auto; border: 1px solid var(--line); border-radius: 8px; color: var(--text-soft); background: var(--code-bg); font: 11px/1.55 ui-monospace, SFMono-Regular, Consolas, monospace; white-space: pre-wrap; overflow-wrap: anywhere; }
.tool-result .markdown-body { font: inherit; }
.composer { position: relative; margin: 0 max(18px, calc((100% - 850px) / 2)) 18px; border: 1px solid var(--line); background: var(--panel); border-radius: 14px; padding: 10px 11px 6px; display: grid; grid-template-columns: 38px 1fr 38px; box-shadow: var(--shadow); }
.composer textarea { resize: none; max-height: 180px; background: transparent; border: 0; outline: 0; color: var(--text); padding: 7px; line-height: 1.5; }
.file-input { display: none; }
.attach { width: 34px; height: 34px; align-self: end; border: 1px solid var(--line); border-radius: 9px; color: var(--muted); background: var(--panel-2); cursor: pointer; font-size: 18px; }
.pending-uploads { grid-column: 1 / -1; display: flex; gap: 7px; padding: 2px 4px 8px; overflow-x: auto; }
.pending-upload { min-width: 170px; max-width: 260px; display: grid; grid-template-columns: 24px minmax(0, 1fr) 22px; gap: 6px; align-items: center; padding: 7px; border: 1px solid var(--line); border-radius: 9px; background: var(--panel-2); }
.pending-upload.error { border-color: var(--danger); }.pending-upload strong, .pending-upload small { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }.pending-upload strong { font-size: 10px; }.pending-upload small { color: var(--muted); font-size: 9px; }.pending-upload button { border: 0; color: var(--muted); background: none; cursor: pointer; }
.send { width: 36px; height: 36px; border-radius: 10px; color: var(--accent-contrast); background: var(--accent); border: 0; font-size: 19px; cursor: pointer; }
.composer small { grid-column: 1 / -1; display: flex; justify-content: space-between; padding: 3px 7px; color: var(--muted); font-size: 10px; }
.composer small .online { color: var(--accent); }
.todo-panel { display: none; min-width: 0; border-left: 1px solid var(--line); background: var(--sidebar); overflow: hidden; }
.todo-open .todo-panel { display: flex; flex-direction: column; }
.todo-heading { min-height: 78px; padding: 14px 14px 12px 16px; border-bottom: 1px solid var(--line); display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; }
.todo-heading small, .todo-heading strong { display: block; }
.todo-heading small { color: var(--muted); font-size: 10px; margin-bottom: 5px; }
.todo-heading strong { font-size: 13px; line-height: 1.4; }
.todo-progress { height: 3px; background: var(--panel-2); }
.todo-progress span { display: block; height: 100%; background: var(--accent); transition: width .2s; }
.todo-summary { display: flex; justify-content: space-between; padding: 11px 16px; color: var(--muted); font-size: 10px; }
.todo-items { min-height: 0; overflow-y: auto; padding: 4px 12px 18px; }
.todo-item { display: grid; grid-template-columns: 24px 1fr; gap: 8px; padding: 10px 8px; border-radius: 9px; color: var(--text-soft); }
.todo-item + .todo-item { margin-top: 3px; }
.todo-item.running { background: var(--accent-soft); color: var(--text); }
.todo-item.blocked { background: var(--danger-soft); }
.todo-item.done { color: var(--muted); }
.todo-icon { width: 21px; height: 21px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 50%; font-size: 11px; }
.todo-item.running .todo-icon { color: var(--accent); border-color: var(--accent-border); }
.todo-item.blocked .todo-icon { color: var(--danger); border-color: var(--danger); }
.todo-item.done .todo-icon { color: var(--accent); }
.todo-item strong, .todo-item small { display: block; }
.todo-item strong { font-size: 12px; line-height: 1.45; }
.todo-item small { color: var(--muted); font-size: 10px; margin-top: 3px; }
.todo-item p { margin: 6px 0 0; color: var(--text-soft); font-size: 10px; line-height: 1.45; white-space: pre-wrap; overflow-wrap: anywhere; }
.command-menu { position: absolute; z-index: 5; left: 0; right: 0; bottom: calc(100% + 8px); max-height: min(360px, 48vh); overflow-y: auto; padding: 6px; border: 1px solid var(--line); border-radius: 13px; background: var(--overlay); box-shadow: var(--shadow); }
.command-menu-heading { position: sticky; top: -6px; z-index: 1; display: flex; justify-content: space-between; gap: 16px; padding: 9px 10px 8px; color: var(--muted); background: var(--overlay); font-size: 10px; }
.command-menu-heading kbd { color: var(--muted); font: inherit; }
.command-menu button { display: grid; grid-template-columns: minmax(100px, auto) 1fr; gap: 14px; width: 100%; padding: 9px 10px; border: 0; border-radius: 8px; color: var(--text); background: transparent; text-align: left; cursor: pointer; }
.command-menu button:hover, .command-menu button.selected { background: var(--accent-soft); }
.command-menu code { color: var(--accent); font: 600 12px/1.4 ui-monospace, SFMono-Regular, Consolas, monospace; }
.command-menu button span { color: var(--text-soft); font-size: 12px; line-height: 1.4; }
.content-page { padding: 22px 26px; overflow: auto; }
.toolbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; gap: 10px; }
.tabs { display: flex; background: var(--panel); padding: 3px; border: 1px solid var(--line); border-radius: 10px; }
.tabs button { border: 0; background: none; color: var(--muted); padding: 7px 13px; border-radius: 7px; cursor: pointer; }
.tabs button[data-state="active"] { background: var(--panel-2); color: var(--text); }
.filters select { height: 39px; background: var(--panel); border: 1px solid var(--line); color: var(--text); border-radius: 9px; padding: 0 10px; }
.grow { flex: 1; max-width: 520px; }
.cards { display: grid; gap: 11px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 15px 17px; }
.card-row { display: flex; justify-content: space-between; gap: 18px; align-items: flex-start; }
.card h3 { font-size: 14px; margin: 0 0 7px; }
.card p { color: var(--text-soft); font-size: 12px; line-height: 1.55; margin: 5px 0; white-space: pre-wrap; }
.meta { display: flex; gap: 14px; flex-wrap: wrap; color: var(--muted); font-size: 11px; }
.badge { border-radius: 99px; padding: 4px 8px; font-size: 10px; background: var(--panel-2); color: var(--text-soft); white-space: nowrap; }
.badge.ok { background: var(--success-soft); color: #38a877; }
.badge.fail { background: var(--danger-soft); color: var(--danger); }
.badge.run { background: var(--warning-soft); color: var(--warning); }
.details { margin-top: 12px; border-top: 1px solid var(--line); padding-top: 10px; }
.run-row + .run-row { margin-top: 7px; }
.metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 16px; }
.metric { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 14px; }
.metric b { font-size: 22px; display: block; }
.metric small { color: var(--muted); }
.memory-content { font-size: 13px !important; }
.memory-key { color: var(--accent); font-family: ui-monospace, monospace; }
.log-view { margin: 0; background: var(--code-bg); border: 1px solid var(--line); border-radius: 12px; padding: 16px; color: var(--text-soft); min-height: calc(100vh - 190px); font: 11px/1.65 ui-monospace, SFMono-Regular, Consolas, monospace; white-space: pre-wrap; overflow: auto; }
.log-meta { color: var(--muted); font-size: 11px; margin: -8px 0 8px; }
.switch-label { color: var(--muted); font-size: 12px; display: flex; gap: 7px; align-items: center; cursor: pointer; }
.switch { width: 34px; height: 20px; padding: 2px; border: 1px solid var(--line); border-radius: 99px; background: var(--panel); cursor: pointer; }
.switch[data-state="checked"] { background: var(--accent); border-color: var(--accent); }
.switch-thumb { display: block; width: 14px; height: 14px; background: var(--muted); border-radius: 50%; transition: transform .15s, background .15s; }
.switch-thumb[data-state="checked"] { transform: translateX(14px); background: var(--accent-contrast); }
.settings-grid { display: grid; grid-template-columns: 170px minmax(0, 1fr); gap: 18px; }
.settings-nav { display: flex; flex-direction: column; gap: 4px; }
.editor-card { border: 1px solid var(--line); background: var(--panel); border-radius: var(--radius); overflow: hidden; }
.editor-head { height: 62px; padding: 0 15px; display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--line); }
.editor-head strong, .editor-head small { display: block; }
.editor-head small { color: var(--muted); font-size: 10px; margin-top: 4px; }
.editor-card textarea { display: block; width: 100%; height: calc(100vh - 275px); min-height: 420px; resize: vertical; border: 0; outline: 0; padding: 18px; background: var(--code-bg); color: var(--text); font: 12px/1.6 ui-monospace, SFMono-Regular, Consolas, monospace; tab-size: 2; }
.notice { padding: 11px 15px; color: var(--muted); font-size: 11px; border-top: 1px solid var(--line); }
code { color: var(--accent); }
#toast { position: fixed; z-index: 100; right: 22px; bottom: 22px; color: var(--text); background: var(--overlay); border: 1px solid var(--line); border-radius: 10px; padding: 11px 15px; font-size: 12px; opacity: 0; transform: translateY(8px); pointer-events: none; transition: .2s; box-shadow: var(--shadow); }
#toast.show { opacity: 1; transform: none; }
#toast.error { border-color: var(--danger); color: var(--danger); }
.loading, .empty-card { text-align: center; color: var(--muted); padding: 50px; }
.empty-card.compact { padding: 24px 8px; }
.error-text { color: var(--danger) !important; }

@media (max-width: 800px) {
  .shell { grid-template-columns: 1fr; }
  .sidebar { position: fixed; z-index: 10; inset: 0 auto 0 0; width: 232px; transform: translateX(-100%); transition: .2s; box-shadow: var(--shadow); }
  .sidebar.open { transform: none; }
  .topbar .menu { display: block; }
  .chat-layout { grid-template-columns: 1fr; }
  .chat-layout.todo-open { grid-template-columns: 1fr; }
  .sessions-panel { display: none; }
  .todo-open .todo-panel { position: fixed; z-index: 20; top: 76px; right: 0; bottom: 0; width: min(340px, 92vw); box-shadow: var(--shadow); }
  .content-page { padding: 16px; }
  .settings-grid { grid-template-columns: 1fr; }
  .settings-nav { flex-direction: row; overflow: auto; }
  .metrics { grid-template-columns: 1fr; }
  .filters { align-items: stretch; flex-wrap: wrap; }
  .grow { max-width: none; width: 100%; flex-basis: 100%; }
  .message-content { max-width: 88%; }
  .theme-toggle span:last-child { display: none; }
}