:root {
  /* Composio design system */
  --primary: #533afd;
  --primary-active: #3a24d6;
  --primary-glow: #6f5cff;
  --ink: #ffffff;
  --body: #a8a8a8;
  --body-strong: #ffffff;
  --muted: #888888;
  --muted-soft: #666666;
  --hairline: #222222;
  --hairline-soft: #1a1a1a;
  --hairline-strong: #333333;
  --canvas: #0f0f0f;
  --canvas-deep: #000000;
  --surface: #181818;
  --surface-elev: #222222;
  --surface-strong: #2a2a2a;
  --ok: #33d17a;
  --err: #ff4d4d;
  --r-xs: 4px; --r-sm: 6px; --r-md: 8px; --r-lg: 12px; --r-xl: 16px; --r-pill: 9999px;
  --sans: "Inter", ui-sans-serif, system-ui, sans-serif;
  --mono: "JetBrains Mono", "Fira Code", ui-monospace, monospace;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: var(--sans);
  background: var(--canvas);
  color: var(--body);
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
.hidden { display: none !important; }
.muted { color: var(--muted); font-size: 14px; }
h2 { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.88px; color: var(--muted); margin: 0; }

/* ---------- Buttons (CTAs = solid Composio Blue, 8px radius) ---------- */
button {
  background: var(--primary);
  color: var(--ink);
  border: none;
  border-radius: var(--r-md);
  padding: 10px 18px;
  font-family: var(--sans);
  font-weight: 500;
  font-size: 14px;
  line-height: 1;
  cursor: pointer;
  transition: background 0.12s ease, border-color 0.12s ease, opacity 0.12s ease;
}
button:hover { background: var(--primary-glow); }
button:active { background: var(--primary-active); }
button:disabled { opacity: 0.45; cursor: default; background: var(--primary); }
button.ghost { background: transparent; border: 1px solid var(--hairline-strong); color: var(--body-strong); }
button.ghost:hover { background: var(--surface-elev); border-color: var(--hairline-strong); }
button.ghost.sm { padding: 6px 11px; font-size: 13px; }
button.link { background: none; border: none; color: var(--primary-glow); padding: 0; font-weight: 500; }
button.link:hover { background: none; text-decoration: underline; }

input, textarea {
  width: 100%; background: var(--surface); color: var(--body-strong);
  border: 1px solid var(--hairline-strong); border-radius: var(--r-md);
  padding: 12px 14px; font-size: 15px; font-family: var(--sans);
}
input::placeholder, textarea::placeholder { color: var(--muted-soft); }
input:focus, textarea:focus { outline: none; border-color: var(--primary-glow); }

.brand { font-weight: 600; font-size: 18px; display: flex; align-items: center; gap: 9px; letter-spacing: -0.01em; }
.brand span { color: var(--body-strong); }
.brand.big { font-size: 28px; }
.brand-logo { width: 24px; height: 24px; border-radius: 6px; display: block; }
.brand.big .brand-logo { width: 32px; height: 32px; border-radius: 8px; }

/* ---------- Auth (login / signup) ---------- */
.auth-view { display: grid; grid-template-columns: 1.05fr 1fr; min-height: 100vh; }
@media (max-width: 880px) { .auth-view { grid-template-columns: 1fr; } .auth-aside { display: none; } }

.auth-aside { position: relative; overflow: hidden; border-right: 1px solid var(--hairline); display: flex; align-items: center; padding: 48px clamp(32px, 5vw, 72px); background: var(--bg-2); }
.auth-bg { position: absolute; inset: 0; background: radial-gradient(680px circle at 28% 38%, rgba(83, 58, 253, 0.22), transparent 60%); pointer-events: none; }
.auth-aside-inner { position: relative; z-index: 1; max-width: 440px; }
.auth-headline { font-size: clamp(26px, 3vw, 38px); line-height: 1.12; margin: 30px 0 0; color: var(--ink); font-weight: 500; letter-spacing: -0.02em; text-transform: none; }
.auth-points { list-style: none; padding: 0; margin: 30px 0 0; display: flex; flex-direction: column; gap: 16px; }
.auth-points li { position: relative; padding-left: 30px; color: var(--body); font-size: 15px; line-height: 1.4; }
.auth-points li::before { content: ""; position: absolute; left: 0; top: 1px; width: 18px; height: 18px; border-radius: 50%; background: rgba(83, 58, 253, 0.18); }
.auth-points li::after { content: ""; position: absolute; left: 6px; top: 5px; width: 5px; height: 9px; border-right: 2px solid var(--primary-glow); border-bottom: 2px solid var(--primary-glow); transform: rotate(40deg); }

.auth-main { display: flex; align-items: center; justify-content: center; padding: 40px 24px; }
.auth-card { width: 100%; max-width: 380px; }
.auth-card-brand { display: none; margin-bottom: 22px; }
@media (max-width: 880px) { .auth-card-brand { display: flex; } }
#auth-title { font-size: 25px; font-weight: 600; color: var(--ink); margin: 0; letter-spacing: -0.02em; }
.auth-sub { color: var(--muted); margin: 8px 0 26px; font-size: 15px; }

#auth-form { display: flex; flex-direction: column; }
#auth-form input { width: 100%; height: 46px; }
.field-label { font-size: 13px; font-weight: 600; color: var(--body-strong); margin: 0 0 7px; }
#auth-form #email { margin-bottom: 18px; }
.password-wrap { position: relative; }
.password-wrap input { padding-right: 44px; }
.pw-toggle { position: absolute; right: 5px; top: 50%; transform: translateY(-50%); background: transparent; border: none; color: var(--muted); padding: 8px; cursor: pointer; display: flex; }
.pw-toggle:hover { background: transparent; color: var(--body-strong); }
.pw-toggle.on { color: var(--primary-glow); }
.pw-toggle svg { width: 18px; height: 18px; }
.auth-submit { margin-top: 22px; width: 100%; height: 46px; font-size: 15px; }

.auth-toggle { margin-top: 18px; font-size: 14px; color: var(--muted); display: flex; gap: 6px; }
.auth-msg { margin-top: 14px; font-size: 14px; min-height: 18px; }
.auth-msg.error { color: var(--err); }
.auth-msg.ok { color: var(--ok); }

/* ---------- App shell ---------- */
.app { display: grid; grid-template-columns: 272px 1fr; height: 100vh; }
.sidebar { background: var(--canvas); border-right: 1px solid var(--hairline); display: flex; flex-direction: column; padding: 16px; gap: 14px; min-height: 0; }
.sidebar-head { padding: 4px 4px 0; }
.new-chat { width: 100%; }
.conv-list { flex: 1; overflow-y: auto; display: flex; flex-direction: column; gap: 3px; min-height: 0; }
.conv-item { display: flex; align-items: center; background: transparent; border: 1px solid transparent; border-radius: var(--r-md); transition: background 0.12s; }
.conv-item:hover { background: var(--surface); }
.conv-item.active { background: var(--surface-elev); border-color: var(--hairline); }
.conv-title { flex: 1; min-width: 0; text-align: left; background: transparent; border: none; color: var(--body); padding: 9px 11px; font-weight: 400; font-size: 14px; cursor: pointer; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.conv-title:hover { background: transparent; }
.conv-item:hover .conv-title, .conv-item.active .conv-title { color: var(--body-strong); }
.conv-actions { display: flex; gap: 2px; padding-right: 6px; opacity: 0; transition: opacity 0.12s; }
.conv-item:hover .conv-actions, .conv-item.active .conv-actions { opacity: 1; }
.conv-act { background: transparent; border: none; color: var(--muted); padding: 5px; border-radius: 6px; cursor: pointer; display: flex; }
.conv-act:hover { background: var(--hairline-strong); color: var(--body-strong); }
.conv-act svg { width: 14px; height: 14px; }
.conv-rename { width: 100%; margin: 2px 6px; padding: 7px 9px; font-size: 14px; border-color: var(--primary); }
.sidebar-foot { display: flex; flex-direction: column; gap: 4px; border-top: 1px solid var(--hairline); padding-top: 14px; }
.nav-link { display: flex; align-items: center; gap: 10px; text-align: left; background: transparent; border: none; color: var(--muted); padding: 9px 11px; border-radius: var(--r-md); font-weight: 500; font-size: 14px; cursor: pointer; transition: background 0.12s; }
.nav-link svg { width: 16px; height: 16px; flex: none; }
.nav-link:hover { background: var(--surface); color: var(--body-strong); }
.nav-link.active { background: var(--surface-elev); color: var(--body-strong); }
.user-row { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-top: 6px; padding: 0 4px; }
.user-email { flex: 1; min-width: 0; color: var(--muted); font-size: 12px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.logout-btn { flex: none; display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; }
.logout-btn svg { width: 14px; height: 14px; }

.main { min-height: 0; overflow: hidden; }
.view { height: 100vh; }

/* ---------- Chat ---------- */
.chat-view { display: flex; flex-direction: column; position: relative; }
.strands-bg { position: absolute; inset: 0; z-index: 0; pointer-events: none; opacity: 0; transition: opacity 0.8s ease; }
.strands-bg.visible { opacity: 0.85; }
.messages { position: relative; z-index: 1; flex: 1; overflow-y: auto; padding: 32px clamp(16px, 8vw, 140px); display: flex; flex-direction: column; gap: 20px; }
.composer { position: relative; z-index: 1; }
.empty-chat { margin: auto; text-align: center; color: var(--body); max-width: 520px; position: relative; }
.empty-chat::before { content: ""; position: absolute; inset: -160px -60px; background: radial-gradient(closest-side, rgba(83,58,253,0.16), transparent 72%); z-index: 0; pointer-events: none; }
.empty-chat > * { position: relative; z-index: 1; }
.empty-chat h1 { font-size: 32px; font-weight: 500; letter-spacing: -0.96px; color: var(--ink); margin-bottom: 12px; line-height: 1.15; min-height: 1.15em; }
/* SplitText animation (ported from reactbits) */
.st-word { display: inline-block; }
.st-char { display: inline-block; opacity: 0; transform: translateY(0.5em); transition: opacity 0.5s ease, transform 0.5s cubic-bezier(0.2, 0.7, 0.2, 1); will-change: opacity, transform; }
.st-char.in { opacity: 1; transform: none; }
.st-char.out { opacity: 0; transform: translateY(-0.45em); }
.empty-chat p { font-size: 16px; line-height: 1.5; }

/* quick-start CTA chips */
.suggestions { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 28px; text-align: left; }
@media (max-width: 620px) { .suggestions { grid-template-columns: 1fr; } }
.suggestion { background: var(--surface); border: 1px solid var(--hairline-strong); color: var(--body-strong); border-radius: var(--r-lg); padding: 14px 16px; font-size: 14px; font-weight: 500; line-height: 1.4; cursor: pointer; text-align: left; transition: background 0.12s, border-color 0.12s; }
.suggestion:hover { background: var(--surface-elev); border-color: var(--primary); }
.suggestion .s-sub { display: block; margin-top: 3px; font-size: 12px; font-weight: 400; color: var(--muted); }

.msg { display: flex; flex-direction: column; max-width: 780px; }
.msg.user { align-self: flex-end; align-items: flex-end; }
.msg.assistant { align-self: flex-start; align-items: flex-start; width: 100%; }
.bubble { padding: 13px 16px; border-radius: var(--r-lg); line-height: 1.5; font-size: 15px; }
.msg.user .bubble { background: var(--surface-elev); border: 1px solid var(--hairline-strong); color: var(--body-strong); border-bottom-right-radius: var(--r-xs); }
.msg.assistant .bubble { background: var(--surface); border: 1px solid var(--hairline); color: var(--body); width: 100%; border-bottom-left-radius: var(--r-xs); }

.working { display: flex; align-items: center; gap: 9px; color: var(--muted); font-size: 14px; }
.spinner { width: 14px; height: 14px; border: 2px solid var(--hairline-strong); border-top-color: var(--primary-glow); border-radius: 50%; animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* tool trace — terminal aesthetic */
.trace { width: 100%; margin-bottom: 10px; border: 1px solid var(--hairline); border-radius: var(--r-lg); background: var(--canvas-deep); overflow: hidden; }
.trace > summary { cursor: pointer; list-style: none; padding: 10px 14px; font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.88px; color: var(--muted); display: flex; align-items: center; gap: 8px; user-select: none; }
.trace > summary::-webkit-details-marker { display: none; }
.trace > summary::before { content: "▸"; transition: transform 0.15s; }
.trace[open] > summary::before { transform: rotate(90deg); }
.trace-body { padding: 4px 14px 14px; display: flex; flex-direction: column; gap: 12px; }
.tagent { border-left: 2px solid var(--hairline-strong); padding-left: 11px; }
.tagent-head { display: flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600; color: var(--body-strong); margin-bottom: 5px; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--muted-soft); flex: none; }
.dot.running { background: var(--primary-glow); box-shadow: 0 0 8px var(--primary-glow); animation: pulse 1s infinite; }
.dot.done { background: var(--ok); }
.dot.error { background: var(--err); }
@keyframes pulse { 50% { opacity: 0.35; } }
.tevent { font-size: 13px; color: var(--body); display: flex; gap: 7px; align-items: baseline; padding: 1px 0; font-family: var(--mono); }
.tevent .tool { color: var(--body-strong); }
.tevent.error .tool { color: var(--err); }
.tevent .tmsg { overflow-wrap: anywhere; color: var(--muted); }
.tevent.desc .tmsg { color: var(--body); }

/* shiny-text sweep (ported from reactbits) — only while a tool is loading */
.tevent .tool.shiny {
  color: transparent;
  background: linear-gradient(90deg, var(--muted) 0%, var(--muted) 38%, #ffffff 50%, var(--muted) 62%, var(--muted) 100%);
  background-size: 220% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  animation: shiny 1.3s linear infinite;
}
@keyframes shiny { 0% { background-position: 200% 0; } 100% { background-position: -40% 0; } }

/* markdown */
.markdown { font-size: 15px; }
.markdown > :first-child { margin-top: 0; }
.markdown > :last-child { margin-bottom: 0; }
.markdown p { margin: 8px 0; }
.markdown h1,.markdown h2,.markdown h3,.markdown h4 { color: var(--ink); text-transform: none; letter-spacing: -0.02em; font-weight: 500; margin: 16px 0 8px; }
.markdown h1 { font-size: 24px; } .markdown h2 { font-size: 18px; font-weight: 600; } .markdown h3 { font-size: 16px; font-weight: 600; }
.markdown ul,.markdown ol { margin: 8px 0; padding-left: 22px; }
.markdown li { margin: 3px 0; }
.markdown a { color: var(--primary-glow); }
.markdown strong { color: var(--body-strong); font-weight: 600; }
.markdown code { background: var(--canvas-deep); border: 1px solid var(--hairline); border-radius: var(--r-sm); padding: 1px 5px; font-size: 13px; font-family: var(--mono); }
.markdown pre { background: var(--canvas-deep); border: 1px solid var(--hairline); border-radius: var(--r-lg); padding: 20px; overflow: auto; }
.markdown pre code { border: none; padding: 0; background: none; }
.markdown table { border-collapse: collapse; width: 100%; margin: 12px 0; font-size: 13px; }
.markdown th,.markdown td { border: 1px solid var(--hairline-strong); padding: 7px 10px; text-align: left; vertical-align: top; }
.markdown th { background: var(--surface-elev); color: var(--body-strong); font-weight: 600; }
.markdown blockquote { border-left: 2px solid var(--hairline-strong); margin: 8px 0; padding: 2px 12px; color: var(--muted); }

/* inline connect + confirm */
.connect-prompt, .confirm-box { margin-top: 12px; border-radius: var(--r-lg); padding: 14px; }
.connect-prompt { background: var(--surface-elev); border: 1px solid var(--hairline-strong); }
.connect-prompt h3 { margin: 0 0 4px; font-size: 14px; color: var(--body-strong); }
.connect-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 12px; }
.confirm-box { background: var(--surface-elev); border: 1px solid var(--hairline-strong); }
.confirm-box h3 { margin: 0 0 8px; font-size: 14px; color: var(--body-strong); }
.confirm-box .tool { font-family: var(--mono); }
.confirm-box pre { white-space: pre-wrap; word-break: break-word; background: var(--canvas-deep); padding: 10px; border-radius: var(--r-md); font-size: 12px; border: 1px solid var(--hairline); font-family: var(--mono); }
.confirm-actions { display: flex; gap: 10px; margin-top: 10px; }
.btn-yes { background: var(--ok); color: #06231a; }
.btn-yes:hover { background: #45e08c; }
.btn-no { background: var(--err); color: #2a0606; }
.btn-no:hover { background: #ff6363; }
.confirm-status { margin-top: 8px; font-size: 13px; color: var(--muted); }

/* composer */
.composer { display: flex; gap: 10px; align-items: flex-end; padding: 16px clamp(16px, 8vw, 140px); border-top: 1px solid var(--hairline); background: var(--canvas); }
.composer textarea { resize: none; max-height: 180px; min-height: 48px; overflow-y: hidden; line-height: 1.5; }
#send-btn { padding: 12px 18px; align-self: stretch; font-size: 16px; }

/* ---------- Integrations page ---------- */
.connectors-view { overflow-y: auto; padding: 32px clamp(16px, 5vw, 56px); }
.int-head { margin-bottom: 22px; }
.int-title { font-size: 28px; font-weight: 500; letter-spacing: -0.5px; color: var(--ink); margin: 0; }
.int-sub { color: var(--muted); font-size: 15px; margin: 8px 0 0; }
.int-bar { display: flex; align-items: center; justify-content: space-between; gap: 16px; border-bottom: 1px solid var(--hairline); margin-bottom: 24px; flex-wrap: wrap; }
.int-tabs { display: flex; gap: 22px; }
.int-tab { background: none; border: none; padding: 10px 0; color: var(--muted); font-size: 16px; font-weight: 500; cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -1px; border-radius: 0; }
.int-tab:hover { background: none; color: var(--body-strong); }
.int-tab.active { color: var(--ink); border-bottom-color: var(--primary); }
.tab-count { display: inline-flex; align-items: center; justify-content: center; min-width: 18px; height: 18px; padding: 0 5px; margin-left: 4px; font-size: 11px; font-weight: 600; color: var(--body-strong); background: var(--surface-elev); border-radius: var(--r-pill); }
.int-search { max-width: 340px; height: 40px; background: var(--surface); border: 1px solid var(--hairline-strong); border-radius: var(--r-md); padding: 0 14px; font-size: 14px; }

.int-content { display: flex; flex-direction: column; gap: 28px; }
.cat-head { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.88px; color: var(--muted); margin-bottom: 14px; }

/* Recommended row (horizontal) */
.rec-row { display: flex; gap: 16px; overflow-x: auto; padding-bottom: 6px; }
.rec-card { flex: 0 0 230px; background: var(--surface); border: 1px solid var(--hairline); border-radius: var(--r-lg); padding: 18px; display: flex; flex-direction: column; gap: 10px; }
.rec-name { font-size: 16px; font-weight: 600; color: var(--body-strong); }
.rec-desc { font-size: 13px; color: var(--muted); line-height: 1.45; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; min-height: 38px; }
.rec-action { margin-top: 2px; }
.rec-action button { width: 100%; }

/* Category rows (2-up) */
.cat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 32px; }
@media (max-width: 760px) { .cat-grid { grid-template-columns: 1fr; } }
.int-row { display: flex; align-items: center; gap: 14px; padding: 14px 8px; border-bottom: 1px solid var(--hairline-soft); }
.int-row-logo { position: relative; flex: none; }
.logo-dot { position: absolute; right: -2px; bottom: -2px; width: 10px; height: 10px; border-radius: 50%; background: var(--ok); border: 2px solid var(--canvas); }
.int-logo { border-radius: var(--r-md); background: var(--surface-elev); object-fit: contain; padding: 6px; display: block; }
.int-logo.fallback { display: flex; align-items: center; justify-content: center; color: var(--primary-glow); font-weight: 700; padding: 0; }
.int-row-main { flex: 1; min-width: 0; }
.int-row-name { font-size: 15px; font-weight: 600; color: var(--body-strong); display: flex; align-items: center; gap: 10px; }
.int-row-desc { font-size: 13px; color: var(--muted); margin-top: 2px; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.badge-active { display: inline-flex; align-items: center; gap: 5px; font-size: 11px; font-weight: 600; color: var(--ok); background: rgba(51,209,122,0.12); border-radius: var(--r-pill); padding: 2px 8px; }
.int-row-action { flex: none; }
.int-add { width: 32px; height: 32px; padding: 0; border-radius: var(--r-md); background: var(--surface-elev); color: var(--body-strong); font-size: 18px; line-height: 1; display: flex; align-items: center; justify-content: center; }
.int-add:hover { background: var(--primary); color: #fff; }
.int-ready { font-size: 13px; font-weight: 600; color: var(--ok); }

/* ---------- Memory ---------- */
.memory-view { overflow-y: auto; padding: 32px clamp(16px, 5vw, 56px); }
.mem-form { max-width: 720px; display: flex; flex-direction: column; gap: 8px; }
.mem-label { font-size: 13px; font-weight: 600; color: var(--body-strong); margin-top: 16px; }
.mem-form input, .mem-form textarea { background: var(--surface); border: 1px solid var(--hairline-strong); }
.mem-form textarea { resize: vertical; min-height: 92px; line-height: 1.5; }
.mem-actions { display: flex; align-items: center; gap: 14px; margin-top: 22px; }
.mem-status { font-size: 13px; color: var(--ok); }