:root {
  --bg: #12141a;
  --bg2: #171a22;
  --bg3: #1e222c;
  --line: #2a2f3b;
  --fg: #e6e8ee;
  --dim: #8c94a8;
  --accent: #6aa9ff;
  --accent2: #b98cff;
  --warm: #ffb86b;
  --danger: #ff6b6b;
  --ok: #5fd39a;
  --radius: 10px;
}
* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; overflow: hidden; }
body {
  background: var(--bg);
  color: var(--fg);
  font: 14px/1.55 -apple-system, "Segoe UI", Inter, Roboto, "Helvetica Neue", sans-serif;
}
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }

.app { display: grid; grid-template-columns: 260px 1fr; height: 100dvh; overflow: hidden; }

/* ---------- sidebar ---------- */
.side {
  background: var(--bg2); border-right: 1px solid var(--line); display: flex; flex-direction: column;
  min-width: 0; height: 100dvh; overflow: hidden;   /* its own column, pinned; only the list scrolls */
}
.side-head { display: flex; gap: 6px; padding: 10px; border-bottom: 1px solid var(--line); }
.side-head .primary { flex: 1; }
.chat-list { flex: 1; min-height: 0; overflow-y: auto; padding: 6px; }
.chat-item {
  display: flex; align-items: center; gap: 6px; padding: 8px 10px; border-radius: var(--radius);
  cursor: pointer; color: var(--dim);
}
.chat-item:hover { background: var(--bg3); color: var(--fg); }
.chat-item.on { background: var(--bg3); color: var(--fg); box-shadow: inset 2px 0 0 var(--accent); }
.chat-item .t { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.chat-item .x { opacity: 0; border: 0; background: none; color: var(--dim); padding: 0 4px; }
.chat-item:hover .x { opacity: 1; }
.chat-item .x:hover { color: var(--danger); }
.side-foot { border-top: 1px solid var(--line); padding: 8px 10px; font-size: 12px; color: var(--dim); }
.gpu { white-space: pre-line; }
.gpu b { color: var(--fg); font-weight: 600; }
.build { margin-top: 6px; opacity: .6; font-variant-numeric: tabular-nums; }

/* ---------- thread ---------- */
.main { display: flex; flex-direction: column; min-width: 0; min-height: 0; overflow: hidden; }
.thread { flex: 1; min-height: 0; overflow-y: auto; overflow-anchor: none; padding: 22px 0 8px; }
.msg { max-width: 860px; margin: 0 auto 18px; padding: 0 24px; }
.msg-head {
  display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--dim);
  margin-bottom: 5px;
}
.who { font-weight: 600; letter-spacing: .02em; }
.msg.user .who { color: var(--accent); }
.msg.assistant .who { color: var(--accent2); }
.msg.system .who { color: var(--warm); }
.msg .tools { margin-left: auto; display: flex; gap: 2px; opacity: 0; transition: opacity .12s; }
.msg:hover .tools { opacity: 1; }
.tools button { background: none; border: 0; color: var(--dim); padding: 2px 5px; border-radius: 6px; }
.tools button:hover { background: var(--bg3); color: var(--fg); }
.bubble {
  background: var(--bg2); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 11px 14px; white-space: pre-wrap; word-wrap: break-word; overflow-wrap: anywhere;
}
.msg.system .bubble { background: #1d1a14; border-color: #3a3222; }
.msg.user .bubble { background: #172230; border-color: #24364d; }
.bubble.bad { background: #2a1618; border-color: #55282c; color: #ffd7d7; }
.stats { font-size: 11px; color: var(--dim); margin-top: 5px; font-variant-numeric: tabular-nums; }
.edited { color: var(--warm); }
.livebadge { color: #b49bdd; animation: pulse 1.4s ease-in-out infinite; }
@keyframes pulse { 0%, 100% { opacity: .45; } 50% { opacity: 1; } }

/* reasoning block */
.think { margin-bottom: 6px; border: 1px dashed #3b3350; border-radius: var(--radius); background: #171425; }
.think-head {
  display: flex; align-items: center; gap: 8px; padding: 6px 12px; font-size: 12px;
  color: #b49bdd; cursor: pointer; user-select: none;
}
.think-head .n { margin-left: auto; opacity: .6; font-variant-numeric: tabular-nums; }
.think-body { padding: 0 14px 11px; white-space: pre-wrap; color: #c8bbe4; font-size: 13.5px; }
.think.closed .think-body { display: none; }
.think-marks { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; opacity: .55; font-size: 11px; }

textarea.edit {
  width: 100%; background: var(--bg3); border: 1px solid var(--accent); border-radius: var(--radius);
  padding: 10px 12px; resize: vertical; min-height: 80px; outline: none;
}
.edit-row { display: flex; gap: 6px; margin-top: 6px; }

.imgs { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.imgs img { max-width: 100%; width: 340px; border-radius: var(--radius); border: 1px solid var(--line); display: block; }
.redo { display: flex; gap: 6px; margin-top: 8px; flex-wrap: wrap; }
.redo button { background: var(--bg3); border: 1px solid var(--line); border-radius: 8px; padding: 4px 10px; font-size: 12px; color: var(--dim); }
.redo button:hover { color: var(--fg); border-color: var(--accent); }

.empty { max-width: 860px; margin: 60px auto; padding: 0 24px; color: var(--dim); }
.empty h2 { color: var(--fg); font-weight: 600; }
.empty code { background: var(--bg3); padding: 1px 5px; border-radius: 5px; }

/* ---------- composer ---------- */
.composer { border-top: 1px solid var(--line); background: var(--bg2); padding: 10px 24px 14px; flex: 0 0 auto; }
.composer > * { max-width: 860px; margin: 0 auto; }
.mode { display: flex; align-items: center; gap: 6px; margin-bottom: 8px; }
.mode-btn { background: none; border: 1px solid var(--line); border-radius: 999px; padding: 4px 12px; color: var(--dim); }
.mode-btn.on { border-color: var(--accent); color: var(--fg); background: #172434; }
.spacer { flex: 1; }
.ctx { font-size: 12px; color: var(--dim); font-variant-numeric: tabular-nums; }
.ctx b { color: var(--fg); }
.ctx.hot b { color: var(--warm); }

.opts { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-bottom: 8px; font-size: 12px; color: var(--dim); }
.opts label { display: flex; align-items: center; gap: 5px; }
.opts select, .opts input {
  background: var(--bg3); border: 1px solid var(--line); border-radius: 7px; padding: 3px 7px;
}
.num { width: 62px; } .wide { width: 92px; }
.check input { accent-color: var(--accent); }
.check.tool { border: 1px solid var(--line); border-radius: 999px; padding: 3px 10px; color: var(--dim); }
.check.tool:has(input:checked) { border-color: var(--accent2); color: #d9c8ff; background: #1d1830; }
#image-model-wrap.off { opacity: .35; pointer-events: none; }

/* what the agent is doing right now, and what it drew */
.callcard {
  border: 1px solid #3b3350; border-left: 3px solid var(--accent2); border-radius: var(--radius);
  background: #191428; padding: 9px 13px; margin-bottom: 6px; font-size: 13px; color: #c8bbe4;
}
.callcard b { color: #d9c8ff; }
.callcard .p { color: var(--dim); margin-top: 4px; white-space: pre-wrap; }
.callcard .bar { height: 4px; border-radius: 2px; background: #2a2340; margin-top: 9px; overflow: hidden; }
.callcard .bar .fill { height: 100%; background: var(--accent2); width: 0; transition: width .25s linear; }
.callcard .preview { display: block; margin-top: 9px; width: 260px; max-width: 100%; border-radius: 8px; image-rendering: auto; }
.waitline { color: var(--warm); font-size: 12px; }

.input-row { display: flex; gap: 8px; align-items: flex-end; }
#input {
  flex: 1; background: var(--bg3); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 10px 12px; resize: none; max-height: 220px; outline: none;
}
#input:focus { border-color: var(--accent); }
.send { padding: 10px 18px; }
.mic { padding: 9px 12px; font-size: 16px; line-height: 1; align-self: flex-end; }
.mic.on { border-color: var(--danger); color: var(--danger); background: #2a1618; animation: pulse 1.1s ease-in-out infinite; }
.mic.busy { border-color: var(--warm); color: var(--warm); }
.hint .rec { color: var(--danger); }
.hint { font-size: 12px; color: var(--dim); min-height: 16px; margin-top: 6px; }

/* ---------- buttons ---------- */
.primary { background: var(--accent); border: 0; color: #08111d; font-weight: 600; border-radius: var(--radius); padding: 8px 14px; }
.primary:hover { filter: brightness(1.08); }
.danger { background: var(--danger); border: 0; color: #2a0b0b; font-weight: 600; border-radius: var(--radius); }
.icon { background: none; border: 1px solid var(--line); border-radius: var(--radius); color: var(--dim); padding: 7px 10px; }
.icon:hover { color: var(--fg); }
.drawer-body button, .edit-row button {
  background: var(--bg3); border: 1px solid var(--line); border-radius: 8px; padding: 5px 11px; color: var(--fg);
}
.drawer-body button:hover, .edit-row button:hover { border-color: var(--accent); }
.edit-row .save { background: var(--accent); color: #08111d; border: 0; font-weight: 600; }

/* ---------- settings drawer ---------- */
.drawer {
  position: fixed; top: 0; right: 0; width: 440px; max-width: 100vw; height: 100vh;
  background: var(--bg2); border-left: 1px solid var(--line); display: flex; flex-direction: column;
  box-shadow: -20px 0 60px #0008; z-index: 20;
}
.drawer-head { display: flex; align-items: center; padding: 12px 16px; border-bottom: 1px solid var(--line); }
.drawer-head b { flex: 1; }
.drawer-body { padding: 16px; overflow-y: auto; }
.drawer-body hr { border: 0; border-top: 1px solid var(--line); margin: 16px 0; }
.block { display: block; font-size: 12px; color: var(--dim); }
.block textarea {
  display: block; width: 100%; margin-top: 6px; background: var(--bg3); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 9px 11px; resize: vertical; outline: none; color: var(--fg);
}
.row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-top: 8px; font-size: 12px; color: var(--dim); }
.row select { background: var(--bg3); border: 1px solid var(--line); border-radius: 7px; padding: 4px 7px; }
.note { font-size: 12px; color: var(--dim); margin: 8px 0; }
.check.big { display: flex; gap: 8px; align-items: center; font-size: 14px; color: var(--fg); }
.model-table { margin-top: 10px; font-size: 12px; color: var(--dim); }
.model-table .m { display: flex; gap: 8px; padding: 4px 0; border-bottom: 1px solid var(--line); }
.model-table .m .n { color: var(--fg); min-width: 110px; }
.model-table .m .dot { color: var(--ok); }
.profiles .p { display: flex; gap: 6px; align-items: center; margin-bottom: 6px; font-size: 12px; }
.profiles .p span { min-width: 96px; color: var(--fg); }
.profiles .p input { width: 88px; background: var(--bg3); border: 1px solid var(--line); border-radius: 7px; padding: 3px 6px; font-family: ui-monospace, monospace; }
.profiles .p select { background: var(--bg3); border: 1px solid var(--line); border-radius: 7px; padding: 3px 6px; }

/* ---------- overlays ---------- */
.toast {
  position: fixed; left: 50%; bottom: 26px; transform: translateX(-50%);
  background: var(--bg3); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 9px 16px; z-index: 40; box-shadow: 0 10px 30px #0009; max-width: 70vw;
}
.toast.bad { border-color: var(--danger); color: #ffd9d9; }
.update {
  position: fixed; right: 18px; bottom: 18px; background: #17243a; border: 1px solid var(--accent);
  border-radius: var(--radius); padding: 10px 14px; z-index: 40; display: flex; gap: 10px; align-items: center;
}
.update button { background: var(--accent); border: 0; color: #08111d; font-weight: 600; border-radius: 8px; padding: 5px 12px; }
.hidden { display: none !important; }

@media (max-width: 760px) {
  .app { grid-template-columns: 1fr; }
  .side { position: fixed; z-index: 30; width: 260px; height: 100vh; transform: translateX(-100%); transition: transform .18s; }
  .side.open { transform: none; }
}

/* ---------- sign-in ---------- */
.signin { position: fixed; inset: 0; display: grid; place-items: center; background: var(--bg); z-index: 50; padding: 20px; }
.signin-box { width: 100%; max-width: 440px; background: var(--bg2); border: 1px solid var(--line); border-radius: 14px; padding: 26px; }
.signin-box h1 { margin: 0 0 6px; font-size: 21px; font-weight: 650; }
.signin-box .lede { color: var(--dim); margin: 0 0 18px; }
.signin-box .lede b { color: var(--fg); }
.signin-box input[type=password] {
  display: block; width: 100%; margin-top: 6px; background: var(--bg3); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 10px 12px; outline: none; font-family: ui-monospace, monospace;
}
.signin-box input[type=password]:focus { border-color: var(--accent); }
.signin-box .check { margin: 12px 0 16px; color: var(--dim); font-size: 13px; display: flex; gap: 8px; align-items: center; }
.signin-box .primary { width: 100%; padding: 11px; }
.signin-error { margin-top: 14px; padding: 11px 13px; border-radius: var(--radius); background: #2a1618; border: 1px solid #55282c; color: #ffd7d7; }
.signin-error b { display: block; margin-bottom: 4px; }
.signin-error a { color: #ffb3b3; }
.foot-row { display: flex; align-items: center; gap: 8px; margin-top: 6px; }
.storage { flex: 1; opacity: .6; }
.linkish { background: none; border: 0; color: var(--dim); text-decoration: underline; padding: 0; font-size: 12px; }
.linkish:hover { color: var(--fg); }