:root {
  --bg: #f6f4f0; --panel: #ffffff; --ink: #16151a; --muted: #6b6870; --line: #e6e2dc;
  --accent: #e2483d; --accent-ink: #ffffff; --soft: #fbeae8; --good: #2f8f5b; --warn: #b7791f; --bad: #c0392b;
  --radius: 14px; --shadow: 0 1px 2px rgba(20,18,25,.04), 0 8px 24px rgba(20,18,25,.06);
}
@media (prefers-color-scheme: dark) {
  :root { --bg:#111014; --panel:#1a191e; --ink:#f1eff4; --muted:#a3a0aa; --line:#2c2a31; --soft:#2a1c1b; --shadow:none; }
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--ink); font: 15px/1.5 Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
a { color: inherit; }
header { display: flex; align-items: center; gap: 24px; padding: 14px 28px; border-bottom: 1px solid var(--line); background: var(--panel); position: sticky; top: 0; z-index: 5; }
.brand { font-weight: 700; letter-spacing: -.01em; display: flex; align-items: center; gap: 8px; font-size: 17px; }
.pulse { width: 10px; height: 10px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 0 rgba(226,72,61,.5); animation: pulse 1.6s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(226,72,61,.5);} 70% { box-shadow: 0 0 0 10px rgba(226,72,61,0);} 100% { box-shadow: 0 0 0 0 rgba(226,72,61,0);} }
nav { display: flex; gap: 4px; }
nav button { border: 0; background: transparent; color: var(--muted); font: inherit; font-weight: 600; padding: 8px 14px; border-radius: 999px; cursor: pointer; }
nav button.active { background: var(--soft); color: var(--accent); }
.who { margin-left: auto; color: var(--muted); font-size: 13px; display: flex; gap: 12px; align-items: center; }
.who button { border: 1px solid var(--line); background: transparent; color: var(--muted); border-radius: 999px; padding: 4px 10px; cursor: pointer; font: inherit; }
main { max-width: 1240px; margin: 0 auto; padding: 28px; }
.tab { display: none; } .tab.active { display: block; }
.intro { color: var(--muted); margin: 0 0 18px; }
.ask { display: flex; gap: 10px; }
.ask input { flex: 1; font: inherit; font-size: 16px; padding: 14px 16px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); color: var(--ink); outline: none; }
.ask input:focus { border-color: var(--accent); }
.btn { border: 0; background: var(--accent); color: var(--accent-ink); font: inherit; font-weight: 600; padding: 0 20px; border-radius: var(--radius); cursor: pointer; min-height: 48px; }
.btn.ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.btn:disabled { opacity: .55; cursor: wait; }
.row { display: grid; grid-template-columns: 3fr 2fr; gap: 20px; margin-top: 20px; }
@media (max-width: 900px) { .row { grid-template-columns: 1fr; } main { padding: 16px; } header { padding: 12px 16px; gap: 12px; flex-wrap: wrap; } }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; box-shadow: var(--shadow); min-width: 0; }
.card h3 { margin: 0 0 10px; font-size: 13px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); display: flex; align-items: center; gap: 8px; }
.card h3 .spacer { flex: 1; }
.meta { font-size: 12px; color: var(--muted); }
.pill { display: inline-block; padding: 2px 8px; border-radius: 999px; background: var(--soft); color: var(--accent); font-size: 11px; font-weight: 600; text-transform: none; letter-spacing: 0; }
.chart { min-height: 420px; }
.empty { color: var(--muted); padding: 40px 0; text-align: center; }
.tablewrap { max-height: 420px; overflow: auto; border: 1px solid var(--line); border-radius: 10px; }
table { border-collapse: collapse; width: 100%; font-size: 13px; }
th, td { padding: 7px 10px; border-bottom: 1px solid var(--line); text-align: left; white-space: nowrap; }
thead th { position: sticky; top: 0; background: var(--panel); font-weight: 600; }
td.wrap { white-space: normal; min-width: 320px; }
.prose { overflow-wrap: anywhere; }
.prose p:first-child { margin-top: 0; }
details summary { cursor: pointer; color: var(--muted); font-size: 13px; }
pre.sql { background: var(--bg); padding: 12px; border-radius: 10px; overflow: auto; font-size: 12px; }
.expert-q { display: flex; gap: 8px; margin-bottom: 12px; }
.expert-q input { flex: 1; font: inherit; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px; background: var(--panel); color: var(--ink); }
.icon-btn { border: 1px solid var(--line); background: transparent; color: var(--ink); border-radius: 999px; padding: 3px 10px; cursor: pointer; font: inherit; font-size: 12px; text-transform: none; letter-spacing: 0; }
.rate { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-top: 14px; padding-top: 14px; border-top: 1px dashed var(--line); }
.rate .chip { border: 1px solid var(--line); background: transparent; color: var(--ink); border-radius: 999px; padding: 4px 12px; cursor: pointer; font: inherit; font-size: 13px; }
.rate .chip.on[data-r="Good"] { border-color: var(--good); color: var(--good); }
.rate .chip.on[data-r="Sub-optimal"] { border-color: var(--warn); color: var(--warn); }
.rate .chip.on[data-r="Bad"] { border-color: var(--bad); color: var(--bad); }
.rate .reasons { display: none; width: 100%; gap: 6px; flex-wrap: wrap; }
.rate.open .reasons { display: flex; }
.rate .reasons label { font-size: 12px; color: var(--muted); display: flex; gap: 4px; align-items: center; }
.rate textarea { width: 100%; font: inherit; font-size: 13px; padding: 8px 10px; border: 1px solid var(--line); border-radius: 10px; background: var(--panel); color: var(--ink); display: none; }
.rate.open textarea { display: block; }
.toast { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); background: var(--ink); color: var(--bg); padding: 10px 16px; border-radius: 10px; font-size: 14px; opacity: 0; transition: opacity .2s; pointer-events: none; z-index: 10; }
.toast.show { opacity: 1; }
.error { color: var(--bad); }
.history { margin-top: 20px; }
.history li { cursor: pointer; padding: 4px 0; color: var(--muted); }
.history li:hover { color: var(--accent); }
.spinner { display: inline-block; width: 14px; height: 14px; border: 2px solid var(--line); border-top-color: var(--accent); border-radius: 50%; animation: spin .8s linear infinite; vertical-align: -2px; }
@keyframes spin { to { transform: rotate(360deg); } }
audio { height: 32px; width: 100%; margin-top: 8px; }
/* login */
.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login form { width: 100%; max-width: 360px; display: grid; gap: 12px; }
.login input { font: inherit; padding: 12px 14px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); color: var(--ink); }
.login h1 { margin: 0 0 8px; display: flex; gap: 10px; align-items: center; font-size: 22px; }
.card h3 .meta { text-transform: none; letter-spacing: 0; font-weight: 400; }

.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chip-tab { border: 1px solid var(--line); border-radius: 12px; padding: 10px 14px; min-width: 150px; }
.chip-tab b { display: block; margin-bottom: 4px; }
.chip-tab span { font-size: 12px; margin-right: 8px; }
.c-good { color: var(--good); } .c-sub { color: var(--warn); } .c-bad { color: var(--bad); }
.filters { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.filters select, .filters input, .stack input, .stack textarea { font: inherit; font-size: 14px; padding: 8px 10px; border: 1px solid var(--line); border-radius: 10px; background: var(--panel); color: var(--ink); }
.filters input { flex: 1; min-width: 180px; }
.stack { display: grid; gap: 10px; }
.reasons-inline { display: flex; flex-wrap: wrap; gap: 6px 12px; font-size: 12px; color: var(--muted); }
.reasons-inline label { display: flex; gap: 4px; align-items: center; }
#check-table tbody tr { cursor: pointer; }
#check-table tbody tr:hover { background: var(--soft); }
.detail { margin-top: 14px; padding: 14px; border: 1px solid var(--line); border-radius: 10px; background: var(--bg); }
.r-Good { color: var(--good); font-weight: 600; } .r-Sub-optimal { color: var(--warn); font-weight: 600; } .r-Bad { color: var(--bad); font-weight: 600; }

.leaps-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
@media (max-width: 900px) { .leaps-grid { grid-template-columns: 1fr; } }
.leaps-grid label { display: grid; gap: 4px; font-size: 12px; color: var(--muted); font-weight: 600; }
.leaps-grid input, .leaps-grid select { font: inherit; font-size: 14px; font-weight: 400; padding: 9px 10px; border: 1px solid var(--line); border-radius: 10px; background: var(--panel); color: var(--ink); }
.metrics { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; }
.metric { border: 1px solid var(--line); border-radius: 12px; padding: 10px 14px; }
.metric b { display: block; font-size: 12px; color: var(--muted); font-weight: 600; }
.metric span { font-size: 20px; font-weight: 700; }

/* ---- chat (vB.3) ---- */
nav .adv-toggle { color: var(--muted); font-weight: 500; }
nav .adv { display: none; } nav.show-adv .adv { display: inline-block; }
main:has(#tab-ask.active) { max-width: none; padding: 0; }
#tab-ask.active { display: grid; grid-template-columns: 270px 1fr; height: calc(100vh - 66px); }
.side { border-right: 1px solid var(--line); background: var(--panel); padding: 14px 12px; overflow-y: auto; display: flex; flex-direction: column; gap: 6px; }
.side-new { min-height: 40px; width: 100%; }
.side-label { font-size: 11px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin: 12px 6px 2px; }
.chat-list { list-style: none; margin: 0; padding: 0; }
.chat-list li.item { display: flex; align-items: center; gap: 4px; padding: 7px 8px; border-radius: 10px; cursor: pointer; font-size: 14px; }
.chat-list li.item:hover { background: var(--bg); }
.chat-list li.item.on { background: var(--soft); color: var(--accent); }
.chat-list .t { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.chat-list .ed { visibility: hidden; border: 0; background: none; color: var(--muted); cursor: pointer; padding: 2px 4px; font-size: 13px; }
.chat-list li.item:hover .ed, .chat-list li.item.on .ed { visibility: visible; }
.chat-list input { flex: 1; font: inherit; font-size: 14px; padding: 4px 6px; border: 1px solid var(--accent); border-radius: 6px; background: var(--panel); color: var(--ink); min-width: 0; }
.past { margin-top: 14px; border-top: 1px solid var(--line); padding-top: 10px; }
.past summary { cursor: pointer; font-size: 11px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); font-weight: 600; padding: 4px 6px; }
.past summary .meta { text-transform: none; letter-spacing: 0; }
.past ul { list-style: none; margin: 6px 0 0; padding: 0; }
.past li { font-size: 13px; color: var(--muted); padding: 5px 8px; border-radius: 8px; cursor: pointer; }
.past li:hover { background: var(--bg); color: var(--accent); }
.chat-main { display: flex; flex-direction: column; min-width: 0; overflow-y: auto; position: relative; }
.side-toggle { display: none; margin: 10px 16px 0; align-self: flex-start; }
.chat { flex: 1; max-width: 920px; width: 100%; margin: 0 auto; padding: 0 24px 24px; }
.chat-empty { text-align: center; padding: 8vh 0 24px; }
.chat-empty h1 { display: flex; gap: 12px; align-items: center; justify-content: center; font-size: 30px; letter-spacing: -.02em; margin: 0 0 8px; }
.suggest { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-top: 18px; }
.suggest button { border: 1px solid var(--line); background: var(--panel); color: var(--ink); border-radius: 999px; padding: 8px 14px; font: inherit; font-size: 14px; cursor: pointer; }
.suggest button:hover { border-color: var(--accent); color: var(--accent); }
.msg-user { margin: 26px 0 10px auto; max-width: 75%; width: fit-content; background: var(--ink); color: var(--bg); padding: 10px 16px; border-radius: 18px 18px 4px 18px; white-space: pre-wrap; }
.msg-bot { margin: 0 0 8px; }
.thinking { color: var(--muted); font-size: 14px; padding: 6px 0; }
.ans { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 20px; margin: 10px 0; box-shadow: var(--shadow); }
.ans-head { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-bottom: 6px; }
.ans-head .q { color: var(--muted); font-size: 13px; }
.ans .chart { min-height: 360px; }
.ans details { margin-top: 8px; }
.ans .src li { font-size: 13px; color: var(--muted); margin: 3px 0; }
.ans .pre:not(:empty) { margin-bottom: 10px; }
.ans-foot { display: flex; gap: 8px; align-items: center; margin-top: 10px; padding-top: 10px; border-top: 1px dashed var(--line); flex-wrap: wrap; }
.ans-foot .meta { margin-left: auto; }
.thumb.on { border-color: var(--accent); color: var(--accent); }
.fb-note { display: flex; gap: 6px; width: 100%; }
.fb-note input { flex: 1; font: inherit; font-size: 13px; padding: 6px 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel); color: var(--ink); }
.caret::after { content: "▍"; color: var(--accent); animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.chat-bar { position: sticky; bottom: 0; margin: 0 auto 16px; width: min(920px, calc(100% - 32px)); display: flex; gap: 8px; align-items: flex-end;
  background: var(--panel); border: 1px solid var(--line); border-radius: 18px; padding: 8px; box-shadow: 0 8px 30px rgba(20,18,25,.12); z-index: 4; }
.chat-bar textarea { flex: 1; resize: none; border: 0; outline: none; font: inherit; font-size: 16px; padding: 10px 8px; background: transparent; color: var(--ink); max-height: 180px; }
.chat-bar .btn { min-height: 42px; }
@media (max-width: 900px) {
  #tab-ask.active { grid-template-columns: 1fr; }
  .side { display: none; position: absolute; z-index: 8; width: 280px; height: calc(100vh - 66px); box-shadow: 0 10px 30px rgba(0,0,0,.2); }
  .side.open { display: flex; }
  .side-toggle { display: inline-block; }
  .chat { padding: 0 12px 16px; }
}

/* ---- vB.4: artist gallery backdrop, hear-it on top, mic ---- */
#tab-ask.active { position: relative; }
.gallery { position: fixed; top: 66px; left: 270px; right: 0; bottom: 0; overflow: hidden; z-index: 0; pointer-events: none;
  display: grid; grid-template-columns: repeat(var(--gcols, 8), 1fr); align-content: start; gap: 0; }
.gallery img { width: 100%; aspect-ratio: 1; height: auto; object-fit: cover; display: block; filter: saturate(1.05); }
.gallery::after { content: ""; position: absolute; inset: 0; background: var(--bg); opacity: .9; transition: opacity .6s ease; }
.gallery.hero::after { opacity: .45; background: linear-gradient(180deg, rgba(10,10,14,.35), rgba(10,10,14,.55)); }
.gallery .track { display: contents; }
@media (prefers-reduced-motion: no-preference) { .gallery { animation: drift 120s linear infinite alternate; } }
@keyframes drift { from { transform: translateY(0); } to { transform: translateY(-300px); } }
.chat-main, .side { position: relative; z-index: 1; }
.chat-main { background: transparent; }
.chat-empty .hero-card { display: inline-block; background: color-mix(in srgb, var(--panel) 88%, transparent); backdrop-filter: blur(8px);
  border: 1px solid var(--line); border-radius: 22px; padding: 28px 34px 24px; box-shadow: 0 20px 60px rgba(0,0,0,.25); max-width: 760px; }
.ans-head .hear-top { margin-left: auto; border: 1.5px solid var(--accent); color: var(--accent); background: var(--panel); border-radius: 999px;
  padding: 5px 14px; font: inherit; font-size: 13px; font-weight: 600; cursor: pointer; display: inline-flex; gap: 6px; align-items: center; }
.ans-head .hear-top:hover:not(:disabled) { background: var(--accent); color: #fff; }
.ans-head .hear-top:disabled { opacity: .45; cursor: default; }
.ans .audio-top audio { width: 100%; margin: 4px 0 8px; }
.mic { border: 0; background: transparent; font-size: 20px; width: 42px; height: 42px; border-radius: 50%; cursor: pointer; align-self: center; flex: none; }
.mic:hover { background: var(--bg); }
.mic.rec { background: var(--accent); animation: micpulse 1.2s infinite; }
@keyframes micpulse { 0% { box-shadow: 0 0 0 0 rgba(226,72,61,.55);} 70% { box-shadow: 0 0 0 12px rgba(226,72,61,0);} 100% { box-shadow: 0 0 0 0 rgba(226,72,61,0);} }
@media (max-width: 900px) { .gallery { left: 0; } }
/* answer tables (e.g. Leaps low/base/high) stay inside the card: text wraps, wide tables scroll inside */
.prose table { display: block; max-width: 100%; overflow-x: auto; border-collapse: collapse; margin: 10px 0; }
.prose th, .prose td { white-space: normal; vertical-align: top; min-width: 90px; }
.prose th { background: var(--bg); }

/* vB.5 — logo, account menu, password dialog, users admin, tab suggestions, via-Ask badge */
.seeker-logo img { height: 30px; width: auto; display: block; }
.brand-sep { width: 1px; height: 24px; background: var(--line); margin: 0 6px; }
.who { position: relative; }
.acct-btn { color: var(--ink) !important; }
.acct-menu { position: absolute; right: 0; top: calc(100% + 8px); background: var(--panel); border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow), 0 12px 32px rgba(0,0,0,.12); padding: 6px; min-width: 200px; z-index: 20; display: flex; flex-direction: column; }
.acct-menu[hidden] { display: none; }
.acct-menu button { border: 0 !important; border-radius: 8px !important; text-align: left; padding: 9px 12px !important; color: var(--ink) !important; }
.acct-menu button:hover { background: var(--soft); }
.pw-dialog { border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); color: var(--ink); padding: 24px; width: min(420px, calc(100vw - 32px)); box-shadow: 0 24px 64px rgba(0,0,0,.25); }
.pw-dialog::backdrop { background: rgba(15,14,18,.55); backdrop-filter: blur(3px); }
.pw-dialog h3 { margin: 0 0 4px; }
.pw-dialog label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--muted); margin-top: 12px; }
.pw-dialog input { font: inherit; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px; background: var(--bg); color: var(--ink); }
.pw-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 18px; }
.pw-actions .btn { min-height: 40px; }
.user-add { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-top: 14px; }
.user-add input:not([type=checkbox]) { font: inherit; padding: 8px 12px; border: 1px solid var(--line); border-radius: 10px; background: var(--bg); color: var(--ink); min-width: 160px; }
.ua-tabs { display: flex; gap: 10px; flex-wrap: wrap; font-size: 13px; color: var(--muted); }
.ua-tabs label { display: flex; gap: 4px; align-items: center; }
.temp-pw { margin-top: 12px; padding: 12px 14px; border-radius: 10px; background: var(--soft); }
.temp-pw code { font-size: 15px; padding: 2px 8px; background: var(--panel); border-radius: 6px; user-select: all; }
#users-table td, #users-table th { text-align: center; } #users-table td:nth-child(-n+2), #users-table th:nth-child(-n+2) { text-align: left; }
#users-table tr.inactive td { opacity: .5; }
.u-actions { white-space: nowrap; } .u-actions .icon-btn + .icon-btn { margin-left: 6px; }
.tab-suggest { justify-content: flex-start; margin: 12px 0 0; }
.tab-suggest button { font-size: 13px; padding: 6px 12px; }
.history summary { cursor: pointer; list-style: none; } .history summary::-webkit-details-marker { display: none; }
.history-list { margin: 10px 0 0; padding-left: 18px; max-height: 420px; overflow: auto; }
.via-ask { font-size: 11px; color: var(--accent); border: 1px solid currentColor; border-radius: 999px; padding: 0 7px; margin-left: 6px; white-space: nowrap; }
@media (max-width: 900px) { .brand-sep, .brand .pulse { display: none; } .seeker-logo img { height: 24px; } }
.login-logo img { height: 40px; margin: 0 auto 14px; }