.ask-grid { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 40px; padding: 52px 0 40px; align-items: start; }
.ask-main { min-width: 0; }
.hero-h1 { font-family: var(--display); font-weight: 800; font-size: clamp(34px, 6vw, 58px); line-height: 1.02; letter-spacing: -0.03em; margin: 16px 0 14px; }
.hero-h1 em { font-style: normal; color: var(--brand); }
.hero-sub { color: var(--fg-muted); font-size: 16px; max-width: 620px; }

/* ── insight console — the signature element ── */
.insight-console { position: relative; margin: 26px 0 20px; background: linear-gradient(180deg, var(--surface), color-mix(in srgb, var(--surface) 92%, var(--brand-deep))); border: 1px solid var(--line-2); border-radius: var(--r); overflow: hidden; box-shadow: var(--shadow); }
.insight-console::before { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, transparent, var(--brand-tint), transparent); opacity: 0.5; pointer-events: none; }
.ic-head { display: flex; align-items: center; gap: 12px; padding: 13px 18px; border-bottom: 1px solid var(--line); position: relative; }
.ic-badge { display: inline-flex; align-items: center; gap: 7px; font-size: 12px; font-weight: 600; color: var(--brand-hi); font-family: var(--mono); letter-spacing: 0.4px; text-transform: uppercase; }
.ic-sub { font-size: 12.5px; color: var(--fg-faint); }
.ic-scan { position: absolute; left: 0; bottom: -1px; height: 2px; width: 34%; background: linear-gradient(90deg, transparent, var(--brand), transparent); animation: scan 3.4s var(--ease) infinite; }
@keyframes scan { 0% { left: -34%; } 100% { left: 100%; } }
.ic-body { padding: 20px 18px; min-height: 84px; }
.ic-text { font-size: 17px; line-height: 1.55; color: var(--fg); font-family: var(--display); font-weight: 500; letter-spacing: -0.01em; }
.ic-text.is-streaming::after { content: '▏'; color: var(--brand); animation: caret 1s steps(1) infinite; }
@keyframes caret { 50% { opacity: 0; } }
.ic-foot { display: flex; align-items: center; gap: 12px; padding: 12px 18px; border-top: 1px solid var(--line); }
.ic-tag { display: inline-flex; align-items: center; gap: 6px; font-family: var(--mono); font-size: 10px; letter-spacing: 1.4px; font-weight: 600; padding: 4px 9px; border-radius: 6px; }
.ic-actions { display: flex; align-items: center; gap: 8px; margin-left: auto; }
.sig-anomaly { color: var(--crit); background: var(--crit-tint); }
.sig-forecast { color: var(--info); background: var(--info-tint); }
.sig-pattern { color: var(--brand-hi); background: var(--brand-tint); }
.sig-recommend { color: var(--pos); background: var(--pos-tint); }

/* ── command bar ── */
.cmd { display: flex; align-items: center; gap: 8px; background: var(--surface); border: 1px solid var(--line-2); border-radius: var(--r); padding: 8px 8px 8px 14px; transition: border-color 0.16s, box-shadow 0.16s; }
.cmd:focus-within { border-color: var(--brand-deep); box-shadow: 0 0 0 3px var(--brand-tint); }
.cmd-icon { color: var(--fg-faint); display: flex; }
.cmd-input { flex: 1; background: none; border: none; outline: none; color: var(--fg); font-size: 15.5px; padding: 8px 4px; min-width: 0; }
.cmd-input::placeholder { color: var(--fg-faint); }
.cmd-send { padding: 10px 18px; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.chip-btn { display: inline-flex; align-items: center; gap: 6px; font-size: 12.5px; color: var(--fg-muted); background: var(--surface); border: 1px solid var(--line); padding: 7px 12px; border-radius: 20px; transition: all 0.15s; }
.chip-btn:hover { border-color: var(--brand-deep); color: var(--brand-hi); background: var(--brand-tint); }

/* ── thread / answer sheets ── */
.thread { margin-top: 30px; display: flex; flex-direction: column; gap: 18px; }
.msg-user { align-self: flex-end; max-width: 80%; background: var(--brand); color: #04211d; padding: 11px 16px; border-radius: 14px 14px 4px 14px; font-size: 15px; font-weight: 500; }
:root[data-theme='light'] .msg-user { color: #fff; }
.sheet { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 18px 20px; box-shadow: var(--shadow); }
.sheet-head { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; }
.sheet-head svg { color: var(--brand); }
.sheet-head b { font-family: var(--display); font-weight: 700; font-size: 14px; }
.think { display: inline-flex; gap: 3px; margin-left: 4px; }
.think-dot { width: 5px; height: 5px; border-radius: 50%; background: var(--brand); opacity: 0.4; animation: tdot 1.2s infinite; }
.think-dot:nth-child(2) { animation-delay: 0.16s; } .think-dot:nth-child(3) { animation-delay: 0.32s; }
@keyframes tdot { 0%, 60%, 100% { opacity: 0.3; transform: translateY(0); } 30% { opacity: 1; transform: translateY(-3px); } }
.think-t { font-family: var(--mono); font-size: 11px; color: var(--fg-faint); letter-spacing: 0.4px; }
.answer { font-size: 15.5px; line-height: 1.65; color: var(--fg); }
.answer.is-streaming::after { content: '▏'; color: var(--brand); animation: caret 1s steps(1) infinite; }
.prov { display: flex; align-items: center; gap: 7px; margin-top: 14px; padding-top: 12px; border-top: 1px dashed var(--line); font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.4px; color: var(--fg-faint); }
.prov svg { color: var(--brand); }
.followups { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.err-card { border: 1px solid color-mix(in srgb, var(--warn) 40%, transparent); background: var(--warn-tint); border-radius: var(--r-sm); padding: 14px 16px; }
.err-head { display: flex; align-items: center; gap: 8px; color: var(--warn); font-weight: 600; margin-bottom: 4px; }
.err-card p { font-size: 13.5px; color: var(--fg-muted); margin-bottom: 12px; }

/* ── signals sidebar ── */
.signals { position: sticky; top: 78px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 8px; }
.sig-head { display: flex; align-items: center; gap: 8px; padding: 10px 12px 12px; font-family: var(--mono); font-size: 11px; letter-spacing: 1.4px; text-transform: uppercase; color: var(--fg-muted); }
.signal { display: block; width: 100%; text-align: left; padding: 11px 12px; border-radius: var(--r-sm); transition: background 0.15s; border: 1px solid transparent; }
.signal + .signal { margin-top: 2px; }
.signal:hover { background: var(--raised); border-color: var(--line); }
.sig-tag { display: inline-flex; align-items: center; gap: 5px; font-family: var(--mono); font-size: 9.5px; letter-spacing: 1px; text-transform: uppercase; padding: 3px 7px; border-radius: 5px; margin-bottom: 7px; }
.sig-text { display: block; font-size: 13px; color: var(--fg-muted); line-height: 1.45; }
.signal:hover .sig-text { color: var(--fg); }

@media (max-width: 940px) {
  .ask-grid { grid-template-columns: 1fr; gap: 24px; padding: 32px 0 20px; }
  .signals { position: static; order: 3; }
  .sig-head { padding-top: 12px; }
  #sigList { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; }
}
@media (max-width: 560px) {
  .cmd-send span { display: none; }
  .cmd-send { padding: 10px 12px; }
  #sigList { grid-template-columns: 1fr; }
}