/* Layout only — all colors/fonts come from brand.css tokens (theme-aware). */
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body { color: var(--text); font-family: var(--font); }

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

/* ---------- sidebar (chat threads) ---------- */
.sidebar {
  width: 260px; flex-shrink: 0;
  border-right: 1px solid var(--line);
  background: var(--panel);
  display: flex; flex-direction: column;
  padding: 14px 12px; gap: 10px;
}
.side-brand { display: flex; align-items: center; gap: 8px; padding: 4px 6px 2px; font-size: 17px; font-weight: 700; }
.side-brand .brand-logo { height: 22px; width: auto; }
.newchat {
  border: 1px solid var(--line); background: transparent; color: var(--text);
  border-radius: 10px; padding: 10px 12px; cursor: pointer; font: inherit; font-weight: 600; text-align: left;
}
.newchat:hover { border-color: var(--accent); }
.chatlist { flex: 1; overflow-y: auto; display: flex; flex-direction: column; gap: 2px; margin-top: 2px; }
.chatlist::-webkit-scrollbar { width: 8px; }
.chatlist::-webkit-scrollbar-thumb { background: var(--line); border-radius: 8px; }
.chat-item {
  display: flex; align-items: center; gap: 8px;
  padding: 9px 10px; border-radius: 8px; cursor: pointer; color: var(--muted); font-size: 13px;
}
.chat-item:hover { background: color-mix(in srgb, var(--accent) 8%, transparent); color: var(--text); }
.chat-item.active { background: color-mix(in srgb, var(--accent) 15%, transparent); color: var(--text); }
.chat-item .t { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; flex: 1; }
.chat-item .del { opacity: 0; color: var(--muted); cursor: pointer; font-size: 14px; }
.chat-item:hover .del { opacity: 1; }
.chat-item .del:hover { color: var(--rwa-danger); }

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 22px;
}
.brand { display: flex; align-items: center; gap: 10px; font-size: 18px; font-weight: 700; }
.brand-logo { height: 26px; width: auto; display: block; }
.brand-word { letter-spacing: -0.01em; }
.brand-word .io { color: var(--accent); }
.brand-tag { color: var(--muted); font-size: 13px; font-weight: 400; margin-left: 8px; }

.topbar-right { display: flex; align-items: center; gap: 10px; }
.icon-btn {
  width: 32px; height: 32px; border-radius: 8px;
  border: 1px solid var(--line); background: var(--panel); color: var(--muted);
  cursor: pointer; font-size: 15px; line-height: 1;
}
.icon-btn:hover { color: var(--text); border-color: var(--accent); }
.signin-btn {
  display: flex; align-items: center; gap: 8px;
  padding: 7px 14px; border-radius: 8px;
  border: 1px solid var(--line); background: var(--panel); color: var(--text);
  cursor: pointer; font: inherit; font-size: 13px; font-weight: 600;
}
.signin-btn:hover { border-color: var(--accent); }
.signin-btn .g {
  display: inline-grid; place-items: center; width: 18px; height: 18px;
  border-radius: 50%; background: #fff; color: #4285f4; font-weight: 800; font-size: 12px;
}

.popover {
  position: absolute; top: 56px; right: 22px; z-index: 20;
  background: var(--panel); border: 1px solid var(--line); border-radius: 12px;
  padding: 14px 16px; box-shadow: 0 16px 40px rgba(0,0,0,0.35); width: 320px;
}
.pop-title { font-weight: 700; margin-bottom: 8px; font-size: 14px; }
.popover ul { list-style: none; margin: 0; padding: 0; }
.popover li { color: var(--muted); font-size: 13px; padding: 5px 0; }
kbd {
  font-family: var(--mono); font-size: 11px; background: var(--code-bg);
  border: 1px solid var(--line); border-radius: 5px; padding: 1px 6px; color: var(--text);
}

.thread { flex: 1; overflow-y: auto; padding: 24px 0; display: flex; flex-direction: column; gap: 18px; }
.thread::-webkit-scrollbar { width: 10px; }
.thread::-webkit-scrollbar-thumb { background: var(--line); border-radius: 8px; border: 2px solid var(--bg); }

.empty { margin: auto; text-align: center; color: var(--muted); max-width: 520px; }
.empty h1 { color: var(--text); font-size: 26px; margin: 0 0 10px; }
.empty code { font-family: var(--mono); background: var(--code-bg); padding: 1px 6px; border-radius: 6px; }

.row { width: 100%; display: flex; }
.wrap { width: min(760px, 92%); margin: 0 auto; display: flex; }
.msg { padding: 12px 16px; border-radius: 14px; line-height: 1.6; max-width: 100%; }
.row.user .wrap { justify-content: flex-end; }
.row.user .msg { background: var(--user-bubble); border: 1px solid var(--line); }
.row.assistant .msg { background: transparent; }
.msg img.att { max-width: 220px; border-radius: 10px; margin-top: 6px; display: block; }

.msg p { margin: 0 0 10px; } .msg p:last-child { margin: 0; }
.msg ul, .msg ol { margin: 6px 0 10px; padding-left: 22px; }
.msg li { margin: 3px 0; }
.msg strong { color: var(--text); font-weight: 700; }
.msg a { color: var(--accent); }
.msg code { font-family: var(--mono); background: var(--code-bg); padding: 1px 6px; border-radius: 6px; font-size: 0.9em; }
.msg pre { background: var(--code-bg); border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; overflow-x: auto; }
.msg pre code { background: none; padding: 0; }

.status { width: min(760px,92%); margin: -8px auto 0; color: var(--muted); font-size: 13px; font-style: italic; }
.dots::after { content: '…'; animation: dots 1.2s steps(4,end) infinite; }
@keyframes dots { 0%{content:''} 25%{content:'.'} 50%{content:'..'} 75%{content:'...'} }

.palette {
  width: min(760px, 92%); margin: 0 auto; align-self: center;
  background: var(--panel); border: 1px solid var(--line); border-radius: 12px;
  overflow: hidden; box-shadow: 0 -6px 30px rgba(0,0,0,0.25);
}
.palette .item { display: flex; gap: 12px; align-items: baseline; padding: 9px 14px; cursor: pointer; }
.palette .item.active, .palette .item:hover { background: color-mix(in srgb, var(--accent) 12%, transparent); }
.palette .cmd { font-family: var(--mono); color: var(--accent); font-size: 13px; min-width: 150px; }
.palette .desc { color: var(--muted); font-size: 13px; }

.composer-wrap { width: min(760px, 92%); margin: 0 auto; padding: 8px 0 20px; }
.attachments { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 8px; }
.chip { display: flex; align-items: center; gap: 8px; padding: 6px 10px; background: var(--panel); border: 1px solid var(--line); border-radius: 10px; font-size: 12px; }
.chip img { width: 28px; height: 28px; object-fit: cover; border-radius: 6px; }
.chip .x { cursor: pointer; color: var(--muted); }
.chip .x:hover { color: var(--rwa-danger); }

.composer { display: flex; gap: 10px; align-items: flex-end; }
.clip-btn { width: 44px; height: 44px; font-size: 18px; }
#input {
  flex: 1; resize: none; max-height: 180px; overflow-y: hidden;
  background: var(--panel); color: var(--text);
  border: 1px solid var(--line); border-radius: 14px;
  padding: 13px 16px; font: inherit; line-height: 1.5;
}
#input:focus { outline: none; border-color: var(--accent); }
#send { border: 0; cursor: pointer; width: 44px; height: 44px; border-radius: 12px; font-size: 18px; color: var(--accent-ink); background: var(--accent); }
#send:hover { filter: brightness(1.08); }
#send:disabled { opacity: 0.4; cursor: default; }

.hidden { display: none !important; }

/* ---------- Pareto brain layer ---------- */
.brand-word { text-transform: uppercase; letter-spacing: .12em; }
/* hide scrollbars (kept scrollable) — composer + thread */
.thread { scrollbar-width: none; }
.thread::-webkit-scrollbar { width: 0; height: 0; display: none; }
#input { scrollbar-width: none; }
#input::-webkit-scrollbar { width: 0; height: 0; display: none; }

.viewtab { background: transparent; border: 1px solid transparent; color: var(--muted); font: inherit; font-size: 13px; font-weight: 600; padding: 5px 12px; border-radius: 8px; cursor: pointer; }
.viewtab:hover { color: var(--text); }
.viewtab.active { background: color-mix(in srgb, var(--accent) 14%, transparent); color: var(--text); }

/* citations */
.cite { font-family: var(--num); font-size: 10px; font-weight: 700; color: var(--accent); vertical-align: super; background: color-mix(in srgb, var(--accent) 16%, transparent); border-radius: 5px; padding: 1px 5px; margin: 0 1px; cursor: pointer; }
.sources { margin: 12px 0 0; border-top: 1px solid var(--line); padding-top: 10px; }
.sources .lbl { font-family: var(--num); text-transform: uppercase; letter-spacing: .12em; font-size: 10px; color: var(--muted); font-weight: 700; margin-bottom: 8px; }
.src { display: flex; gap: 10px; align-items: baseline; padding: 5px 0; font-size: 12.5px; color: var(--muted); }
.src .k { font-family: var(--num); font-size: 10px; font-weight: 700; color: var(--accent); min-width: 14px; }
.stype { font-family: var(--num); text-transform: uppercase; letter-spacing: .06em; font-size: 9px; font-weight: 700; padding: 1px 6px; border-radius: 5px; border: 1px solid var(--line); color: var(--muted); flex-shrink: 0; }
.src .st { color: var(--text); } .src .meta { margin-left: auto; white-space: nowrap; font-size: 11.5px; }

/* remember card */
.remember { width: min(760px, 92%); margin: 14px auto 0; border: 1px solid var(--line); background: var(--panel); border-radius: 14px; padding: 16px 18px; box-shadow: 0 8px 30px rgba(0,0,0,.22); }
.remember .rhead { color: var(--muted); font-size: 13.5px; margin-bottom: 14px; display: flex; align-items: center; gap: 8px; }
.remember .spark { color: var(--accent-2); }
.rfield { margin: 0 0 10px; }
.rfield .flabel { font-family: var(--num); text-transform: uppercase; letter-spacing: .1em; font-size: 9.5px; font-weight: 700; color: var(--muted); margin-bottom: 3px; }
.rfield .fval { font-size: 13.5px; color: var(--text); border: 1px solid transparent; border-radius: 8px; padding: 3px 8px; background: color-mix(in srgb, var(--accent) 4%, transparent); }
.rfield .fval[contenteditable="true"] { border-color: var(--line); background: var(--bg); outline: none; }
.ractions { display: flex; align-items: center; gap: 10px; margin-top: 14px; }
.rbtn { font: inherit; font-size: 13px; font-weight: 600; border-radius: 9px; padding: 8px 14px; cursor: pointer; border: 1px solid transparent; }
.rbtn.primary { background: var(--accent); color: var(--accent-ink); } .rbtn.primary:hover { filter: brightness(1.08); }
.rbtn.ghost { background: transparent; color: var(--muted); border-color: var(--line); }
.rbtn.text { background: transparent; color: var(--muted); border: 0; padding: 8px 6px; }
.remembered { width: min(760px, 92%); margin: 14px auto 0; color: var(--muted); font-size: 13px; border-left: 2px solid var(--accent-2); padding-left: 12px; }
.remembered b { color: var(--text); }

/* manual remember + brain view */
.manualrow { display: flex; justify-content: flex-end; margin-bottom: 8px; }
.manual-btn { background: transparent; border: 1px solid var(--line); color: var(--muted); border-radius: 9px; padding: 6px 12px; font: inherit; font-size: 12.5px; cursor: pointer; }
.manual-btn:hover { border-color: var(--accent); color: var(--text); }
.brainview { flex: 1; overflow-y: auto; padding: 28px 0; scrollbar-width: none; }
.brainview::-webkit-scrollbar { width: 0; height: 0; display: none; }
.bwrap { width: min(760px, 92%); margin: 0 auto; }
.binfo { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 8px; }
.binfo h2 { font-family: var(--num); font-weight: 700; font-size: 19px; margin: 0; }
.binfo .count { color: var(--muted); font-size: 12.5px; font-family: var(--num); }
.grouplbl { font-family: var(--num); text-transform: uppercase; letter-spacing: .12em; font-size: 10px; color: var(--muted); font-weight: 700; margin: 20px 0 6px; }
.brow { display: flex; gap: 12px; align-items: baseline; padding: 11px 0; border-top: 1px solid var(--line); }
.brow .bt { color: var(--text); font-size: 14px; } .brow .bc { color: var(--muted); font-size: 12.5px; margin-top: 3px; line-height: 1.5; }
.brow .bmeta { color: var(--muted); font-size: 11px; font-family: var(--num); white-space: nowrap; }