/* Lattent Studio workspace */
body.studio { background: var(--bg); }
.st-top { position: sticky; top: 0; z-index: 40; height: 56px; display: flex; align-items: center; gap: 12px; padding: 0 16px; padding-top: env(safe-area-inset-top, 0px); background: var(--card); border-bottom: 1px solid var(--line); }
.st-top .logo span { font-size: 16px; }
.st-top .logo small { font: 600 11px Inter, sans-serif; color: var(--brand-ink); background: var(--brand-soft); padding: 2px 6px; border-radius: 5px; margin-left: 2px; letter-spacing: .02em; }
.st-top #st-name { flex: 0 1 280px; min-width: 120px; border: 1px solid transparent; background: transparent; font: 600 14.5px Inter, sans-serif; padding: 6px 8px; border-radius: 7px; color: var(--ink); }
.st-top #st-name:hover, .st-top #st-name:focus { border-color: var(--line); background: var(--bg); }
.st-top .sp { flex: 1; }
.st-top .tb { display: flex; gap: 6px; align-items: center; }
.st-top .btn { padding: 7px 12px; font-size: 13.5px; }
#st-co.btn { background: linear-gradient(135deg, var(--brand), #5a3fc6); color: #fff; border: 0; }
#st-co.btn svg { color: #ffc28e; }
#st-co svg { width: 16px; height: 16px; }
#st-co { white-space: nowrap; }
@media (max-width: 560px) { #st-co .lbl-co { display: none; } }
#st-menu { display: none; }
.st-body { display: grid; grid-template-columns: 250px minmax(0, 1fr); min-height: calc(100vh - 56px); }
.st-side { border-right: 1px solid var(--line); background: var(--card); padding: 14px 10px; position: sticky; top: 56px; height: calc(100vh - 56px); overflow: auto; display: flex; flex-direction: column; gap: 10px; }
.st-side h5 { margin: 4px 8px 2px; font-size: 11.5px; text-transform: uppercase; letter-spacing: .07em; color: var(--ink-3); }
.st-side .newbtn { margin: 0 6px; justify-content: center; }
.nv-t { display: flex; flex-direction: column; gap: 1px; }
.nv-row { display: flex; align-items: center; gap: 8px; width: 100%; text-align: left; border: 0; background: none; padding: 7px 8px; border-radius: 8px; color: var(--ink); font: 500 13.5px Inter, sans-serif; cursor: pointer; }
.nv-row:hover { background: var(--line-2); }
.nv-row.on, .nv-t.on > .nv-row:first-child { background: var(--brand-soft); color: var(--brand-ink); }
.nv-row .tt { font: 700 10px Inter, sans-serif; padding: 2px 5px; border-radius: 4px; background: var(--line-2); color: var(--ink-3); flex: none; min-width: 26px; text-align: center; }
.nv-row .nm { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.nv-row.sub { padding-left: 22px; font-size: 13px; color: var(--ink-2); }
.nv-row.sub svg { width: 14px; height: 14px; flex: none; color: var(--brand); }
.st-side .foot-links { margin-top: auto; padding: 8px; font-size: 12.5px; color: var(--ink-3); display: grid; gap: 4px; }
.st-main { padding: 22px 28px 60px; min-width: 0; }
.st-main .empty { padding: 80px 20px; text-align: center; color: var(--ink-3); }
.view-head { display: flex; gap: 16px; align-items: flex-start; justify-content: space-between; flex-wrap: wrap; margin-bottom: 14px; }
.view-head h2 { font-size: 24px; }
.view-head .ttl { font: 700 24px var(--display); letter-spacing: -0.015em; border: 1px solid transparent; background: none; padding: 2px 6px; margin-left: -7px; border-radius: 7px; color: var(--ink); max-width: 100%; width: 520px; }
.view-head .ttl:hover, .view-head .ttl:focus { border-color: var(--line); background: var(--card); }
.view-head .sub { margin: 4px 0 0; color: var(--ink-3); font-size: 13.5px; max-width: 680px; }
.view-head .acts { display: flex; gap: 8px; flex-wrap: wrap; }
.view-head .acts svg { width: 16px; height: 16px; }
.crumb { margin: 0 0 4px; font-size: 13px; color: var(--ink-3); }
.crumb button { background: none; border: 0; color: var(--brand-ink); font: 600 13px Inter, sans-serif; cursor: pointer; padding: 0; }
.tb-opts { margin: 0 0 10px; font-size: 13px; color: var(--ink-2); }
.tb-opts input { width: 280px; display: inline-block; margin-left: 6px; }

/* spreadsheet */
.grid-wrap { overflow: auto; max-height: calc(100vh - 250px); border: 1px solid var(--line); border-radius: 10px; background: var(--card); }
table.grid { border-collapse: separate; border-spacing: 0; font-size: 13.5px; }
table.grid th { position: sticky; top: 0; z-index: 2; background: var(--line-2); border-bottom: 1px solid var(--line); border-right: 1px solid var(--line); padding: 4px; min-width: 118px; text-align: left; }
table.grid th .ax { display: inline-block; font: 700 10px Inter, sans-serif; color: #fff; background: var(--ink-3); border-radius: 4px; padding: 1px 5px; margin: 2px 0 3px 4px; }
table.grid th .ax.y { background: var(--brand); }
table.grid th .ax.g { background: var(--s3); }
table.grid th input { width: 100%; border: 1px solid transparent; background: transparent; font: 600 13px Inter, sans-serif; padding: 4px 6px; border-radius: 6px; color: var(--ink); }
table.grid th input:focus { background: var(--card); border-color: var(--brand); outline: none; }
table.grid td { border-bottom: 1px solid var(--line-2); border-right: 1px solid var(--line-2); padding: 0; }
table.grid td input { width: 118px; border: 0; background: transparent; padding: 6px 8px; font: 13px var(--mono); color: var(--ink); border-radius: 0; text-align: right; }
table.grid td input:focus { outline: 2px solid var(--brand); outline-offset: -2px; background: var(--brand-soft); }
table.grid .rn { position: sticky; left: 0; z-index: 1; background: var(--line-2); color: var(--ink-3); font-size: 11.5px; text-align: center; min-width: 38px; padding: 0 6px; }
table.grid thead .rn { z-index: 3; }
table.grid .addc { min-width: 40px; background: var(--card); border-right: 0; }
.addc button { border: 1px dashed var(--axis); background: none; color: var(--ink-3); width: 28px; height: 28px; border-radius: 7px; cursor: pointer; font-size: 16px; }

/* analysis view */
details.opts { background: var(--card); border: 1px solid var(--line); border-radius: 12px; margin-bottom: 16px; }
details.opts summary { cursor: pointer; padding: 12px 16px; font-weight: 600; font-size: 14px; }
.opts-body { padding: 0 16px 14px; display: grid; gap: 10px; }
.fg > label, .fg .lbl2 { display: block; font-size: 12.5px; font-weight: 600; color: var(--ink-2); margin-bottom: 4px; }
.fg small { display: block; color: var(--ink-3); font-size: 12.5px; margin-top: 4px; }
.fg small.eqn, .eqn { font-family: 'Source Serif 4', Georgia, serif; font-size: 14px; color: var(--ink); }
.fg.two, .fg.three { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.fg.three { grid-template-columns: 1fr 1fr 1fr; }
.fg.two > *, .fg.three > * { min-width: 0; }
.fg.two label:not(.check), .fg.three label:not(.check) { display: block; font-size: 12.5px; font-weight: 600; color: var(--ink-2); margin-bottom: 4px; }
.fixgrid { display: grid; grid-template-columns: auto 140px; gap: 6px 10px; align-items: center; max-width: 360px; }
.fixgrid .check { margin: 0; }
.checkcols { display: flex; flex-wrap: wrap; gap: 2px 16px; }
.checkcols .check { margin: 4px 0; }
.res .verdict { background: var(--brand-soft); border-radius: 10px; padding: 11px 14px; margin-bottom: 14px; font-size: 14.5px; color: var(--ink); }
.res h4.sub { font-size: 14px; margin: 18px 0 8px; }
.eqline { margin: 0 0 12px; color: var(--ink-2); }
.cbox { border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px 6px; margin-bottom: 14px; min-width: 0; }
.cbar { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 4px; }
.cbar h4 { font-size: 14px; flex: 1; min-width: 120px; }
.cbar .btn { padding: 4px 8px; font-size: 12px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.grid2 > * { min-width: 0; }
table.rt td small { color: var(--ink-3); }
table.rt td small.ci { font-size: 11.5px; }
table.rt tr.derived td { background: var(--line-2); }
table.rt tr.gof.first td { border-top: 2px solid var(--line); }
table.rt tr.best td { background: var(--ok-soft); }
table.rt td.strong { font-weight: 700; color: var(--brand-ink); }
table.rt td { white-space: normal; }
.sw { display: inline-block; width: 9px; height: 9px; border-radius: 50%; margin-right: 6px; vertical-align: 1px; }
.wbar { display: inline-block; width: 70px; height: 7px; background: var(--line-2); border-radius: 4px; margin-right: 8px; vertical-align: 1px; overflow: hidden; }
.wbar i { display: block; height: 100%; background: var(--brand); }
ul.checks { list-style: none; padding: 0; margin: 0; display: grid; gap: 6px; }
ul.checks li { padding: 8px 12px 8px 32px; border-radius: 9px; font-size: 13.5px; position: relative; }
ul.checks li.ok { background: var(--ok-soft); }
ul.checks li.bad { background: var(--warn-soft); }
ul.checks li::before { position: absolute; left: 12px; top: 8px; font-weight: 700; }
ul.checks li.ok::before { content: '✓'; color: var(--ok); }
ul.checks li.bad::before { content: '!'; color: var(--warn); }
.st-main .rep { margin-top: 16px; }

/* dialogs */
.modal-box.wide { max-width: 760px; }
.modal-box.xwide { max-width: 1080px; }
.an-list h5 { margin: 16px 0 8px; font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-3); }
.an-opt, .newt { display: block; width: 100%; text-align: left; border: 1px solid var(--line); background: var(--card); border-radius: 10px; padding: 11px 14px; margin-bottom: 8px; cursor: pointer; color: var(--ink); }
.an-opt:hover, .newt:hover, .ex:hover { border-color: var(--brand); background: var(--brand-soft); }
.an-opt b, .newt b { display: block; font-size: 14.5px; }
.an-opt span, .newt span { display: block; font-size: 13px; color: var(--ink-2); margin-top: 2px; }
.start-cols { display: grid; grid-template-columns: 1.7fr 1fr; gap: 24px; }
.start-cols h5 { margin: 0 0 10px; font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-3); }
.ex-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 10px; }
.ex { text-align: left; border: 1px solid var(--line); background: var(--card); border-radius: 11px; padding: 12px 14px; cursor: pointer; color: var(--ink); display: flex; flex-direction: column; gap: 4px; }
.ex .fld { font: 700 10.5px Inter, sans-serif; text-transform: uppercase; letter-spacing: .06em; color: var(--brand-ink); }
.ex b { font-size: 14px; }
.ex span:last-child { font-size: 12.5px; color: var(--ink-2); }
.menu-list { display: grid; gap: 6px; }
.menu-list button { text-align: left; border: 1px solid var(--line); background: var(--card); border-radius: 9px; padding: 10px 14px; font: 500 14px Inter, sans-serif; cursor: pointer; color: var(--ink); }
.menu-list button:hover { border-color: var(--axis); }
.menu-list .danger { color: var(--bad); }

/* co-scientist */
.co { position: fixed; top: 56px; right: 0; bottom: 0; width: 400px; max-width: 100%; background: var(--card); border-left: 1px solid var(--line); z-index: 35; transform: translateX(100%); transition: transform .2s; display: flex; flex-direction: column; box-shadow: -20px 0 50px -30px rgba(0,0,0,.35); }
body.co-open .co { transform: none; }
body.co-open .st-main { margin-right: 400px; }
.co-head { display: flex; align-items: center; gap: 10px; padding: 14px 16px 0; }
.co-head h3 { font-size: 16px; flex: 1; }
.co-head button.x { background: none; border: 0; font-size: 22px; color: var(--ink-3); cursor: pointer; }
.co-tabs { display: flex; gap: 4px; padding: 8px 16px 0; border-bottom: 1px solid var(--line); }
.co-tabs button { background: none; border: 0; border-bottom: 2px solid transparent; padding: 8px 6px; font: 600 13.5px Inter, sans-serif; color: var(--ink-3); cursor: pointer; }
.co-tabs button[aria-selected=true] { color: var(--ink); border-bottom-color: var(--brand); }
#co-advisor { padding: 14px 16px; overflow: auto; display: grid; gap: 10px; align-content: start; }
.sug { border: 1px solid var(--line); border-radius: 11px; padding: 12px 14px; }
.sug b { font-size: 14px; }
.sug p { margin: 4px 0 8px; font-size: 13px; color: var(--ink-2); }
#co-chat { display: flex; flex-direction: column; min-height: 0; flex: 1; }
#co-chat[hidden] { display: none !important; }
.co-cfg { padding: 10px 16px; border-bottom: 1px solid var(--line); display: grid; gap: 6px; font-size: 12.5px; }
.co-cfg .row { display: flex; gap: 6px; }
.co-cfg select, .co-cfg input { padding: 6px 8px; font-size: 12.5px; }
.co-cfg #ai-state { color: var(--ink-3); }
#co-log { flex: 1; overflow: auto; padding: 14px 16px; display: flex; flex-direction: column; gap: 10px; }
.msg { padding: 10px 12px; border-radius: 12px; font-size: 13.5px; line-height: 1.5; max-width: 92%; }
.msg.u { align-self: flex-end; background: var(--brand); color: #fff; }
.msg.a { align-self: flex-start; background: var(--line-2); color: var(--ink); }
.msg.thinking { opacity: .6; }
.msg .act { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-top: 8px; padding: 8px 10px; background: var(--card); border-radius: 9px; font-size: 12.5px; }
#co-form { display: flex; gap: 8px; padding: 12px 16px calc(12px + env(safe-area-inset-bottom, 0px)); border-top: 1px solid var(--line); }
#co-form textarea { min-height: 44px; height: 44px; font-family: Inter, sans-serif; white-space: normal; resize: none; }

@media (max-width: 1100px) { body.co-open .st-main { margin-right: 0; } .co { width: 100%; max-width: 420px; } }
@media (max-width: 900px) {
  .st-body { grid-template-columns: minmax(0, 1fr); }
  .st-side { position: fixed; top: 56px; left: 0; bottom: 0; width: 270px; z-index: 36; transform: translateX(-100%); transition: transform .2s; height: auto; }
  body.nav-open .st-side { transform: none; box-shadow: 20px 0 50px -30px rgba(0,0,0,.4); }
  #st-menu { display: inline-flex; }
  .st-main { padding: 16px; }
  .st-top .hide-sm { display: none; }
  .grid2, .start-cols { grid-template-columns: minmax(0, 1fr); }
  .fg.three { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) { .fg.two, .fg.three { grid-template-columns: minmax(0, 1fr); } .st-top #st-name { display: none; } .tb-opts input { width: 100%; margin: 4px 0 0; } }

#st-cloud svg { width: 17px; height: 17px; }
#st-cloud .cs { font-size: 11.5px; font-weight: 600; color: var(--ink-3); }
#st-cloud .cs.ok { color: var(--ok); }
#st-cloud .cs.bad { color: var(--bad); }
#st-cloud .cs:empty { display: none; }
.cl-now { background: var(--line-2); border-radius: 11px; padding: 12px 14px; margin: 10px 0 16px; }
.cl-now .m-actions { margin-top: 10px; }
.cl-h { margin: 0 0 8px; font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-3); }
.cl-list { display: grid; gap: 6px; max-height: 50vh; overflow: auto; }
.cl-row { display: flex; justify-content: space-between; align-items: center; gap: 10px; border: 1px solid var(--line); border-radius: 10px; padding: 9px 12px; flex-wrap: wrap; }
.cl-row.on { border-color: var(--brand); background: var(--brand-soft); }
.cl-row small { display: block; color: var(--ink-3); font-size: 12px; }
.cl-row .acts { display: flex; gap: 6px; }

.shape { display: flex; flex-wrap: wrap; gap: 8px 14px; align-items: center; background: linear-gradient(135deg, color-mix(in srgb, var(--brand) 10%, transparent), color-mix(in srgb, var(--accent) 9%, transparent)); border-radius: 10px; padding: 10px 14px; margin-bottom: 12px; font-size: 13.5px; }
.shape-k { font: 700 11px Inter, sans-serif; text-transform: uppercase; letter-spacing: .07em; color: var(--brand-ink); }
.shape-c { position: relative; padding-bottom: 5px; }
.shape-c i { position: absolute; left: 0; bottom: 0; height: 3px; border-radius: 2px; background: var(--brand); max-width: 100%; }
.shape-why { flex-basis: 100%; color: var(--ink-2); font-size: 13px; }
.sug.ai { border-color: color-mix(in srgb, var(--brand) 40%, var(--line)); }
.sug.ai .shape { margin: 0; background: none; padding: 0; }

/* ---------- Discover ---------- */
.st-side .disc-h { display: flex; align-items: center; gap: 6px; margin-top: 10px; }
.new-badge { font: 700 9.5px Inter, sans-serif; letter-spacing: .04em; text-transform: uppercase; color: var(--brand-ink); background: var(--brand-soft); padding: 2px 6px; border-radius: 5px; }
nav.disc { display: flex; flex-direction: column; gap: 1px; }
nav.disc .nv-row svg { width: 16px; height: 16px; flex: none; color: var(--brand); }
.ob { text-decoration: overline; }
.sg { font-weight: 500; color: var(--ink-2); font-size: .92em; }
.sg .sgn, .sgn { color: var(--ink-3); font-size: .9em; }
.mono { font-family: var(--mono); font-size: .92em; }
.dsc-form { display: grid; gap: 12px; margin-bottom: 16px; }
.dsc-form .fg { margin: 0; }
#dsc .card { padding: 16px 18px; }
#dsc .card.res { padding: 18px; }
.dsc-form .lbl2, .dsc-form .fg > div > label:not(.check), .dsc-form .fg > label:not(.check) { display: block; font-size: 12.5px; font-weight: 600; color: var(--ink-2); margin-bottom: 4px; }
.dsc-form .fg small { display: block; color: var(--ink-3); font-size: 12.5px; margin-top: 4px; }
.dsc-form .seg { flex-wrap: wrap; }
.ds-go { display: flex; align-items: flex-end; }
.ds-go .btn { width: 100%; justify-content: center; }
.dsc-form .examples { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; font-size: 12.5px; color: var(--ink-3); }
.checkcol { display: grid; gap: 4px; align-content: end; }
.checkcol .check { margin: 0; font-size: 13px; }
.ds-intro p { margin: 0 0 8px; max-width: 760px; font-size: 14px; color: var(--ink-2); }
.ds-intro p:last-child { margin: 0; }
.ds-wait { display: flex; align-items: center; gap: 10px; color: var(--ink-2); font-size: 14px; }
.spin { display: inline-block; width: 14px; height: 14px; border: 2px solid var(--line); border-top-color: var(--brand); border-radius: 50%; animation: dsspin .8s linear infinite; vertical-align: -2px; }
@keyframes dsspin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .spin { animation-duration: 2.4s; } }
.ds-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 10px; margin-bottom: 10px; font-size: 14px; }
.ds-meta span { color: var(--ink-3); font-size: 13px; }
.ds-meta .sp { flex: 1; }
.ds-list { margin-bottom: 16px; }
.ds-list .tbl-wrap, .ph-tab-wrap { max-height: 360px; overflow: auto; }
table.ds-tab tbody tr, table.ph-tab tbody tr { cursor: pointer; }
table.ds-tab tbody tr:hover td, table.ph-tab tbody tr:hover td { background: var(--line-2); }
table.ds-tab tr.on td, table.ph-tab tr.on td { background: var(--brand-soft); }
table.ds-tab tbody tr:focus-visible, table.ph-tab tbody tr:focus-visible { outline: 2px solid var(--brand); outline-offset: -2px; }
table.t th small { font-weight: 500; color: var(--ink-3); }
.ds-det .ds-dh { display: flex; flex-wrap: wrap; gap: 10px 16px; align-items: flex-start; justify-content: space-between; margin-bottom: 12px; }
.ds-det h3 { font-size: 21px; }
.ds-det .ds-dh .hint { margin: 4px 0 0; }
.ds-det .acts { display: flex; flex-wrap: wrap; gap: 6px; }
.ds-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: 16px; margin-bottom: 16px; }
.ds-view { border: 1px solid var(--line); border-radius: 10px; background: radial-gradient(circle at 50% 40%, var(--card), var(--bg)); min-width: 0; }
.ds-view canvas { display: block; width: 100%; height: 340px; cursor: grab; border-radius: 10px 10px 0 0; }
.ds-view canvas:active { cursor: grabbing; }
.ds-view canvas:focus-visible { outline: 2px solid var(--brand); outline-offset: -2px; }
.ds-vbar { display: flex; flex-wrap: wrap; gap: 6px 12px; align-items: center; justify-content: space-between; padding: 8px 10px; border-top: 1px solid var(--line); font-size: 12.5px; }
.ds-vbar .els { display: flex; flex-wrap: wrap; gap: 6px; }
.ds-vbar .axes { display: flex; align-items: center; gap: 4px; }
.ds-vbar .axes .hint { margin: 0 4px 0 0; }
.ds-vbar button { border: 1px solid var(--line); background: var(--card); color: var(--ink); border-radius: 6px; min-width: 28px; height: 26px; font: 600 12.5px Inter, sans-serif; cursor: pointer; }
.ds-vbar button:hover { border-color: var(--axis); }
.chip { display: inline-flex; align-items: center; gap: 5px; font-weight: 600; color: var(--ink-2); }
.chip i { width: 11px; height: 11px; border-radius: 50%; border: 1px solid rgba(0,0,0,.25); display: inline-block; }
.ds-props table.kv th { font-weight: 600; color: var(--ink-2); white-space: nowrap; width: 1%; padding-right: 16px; }
.ds-props { min-width: 0; }
.ds-props table.kv { width: 100%; }
.ds-props table.kv td { text-align: left; white-space: normal; overflow-wrap: anywhere; }
.tag { display: inline-block; font: 600 11px Inter, sans-serif; padding: 2px 7px; border-radius: 5px; background: var(--line-2); color: var(--ink-2); margin-left: 4px; }
.tag.ok { background: var(--ok-soft); color: var(--ok); }
.tag.warn { background: var(--warn-soft); color: var(--warn); }
.tag.new { background: var(--brand-soft); color: var(--brand-ink); margin: 0; }
.ds-xrdbar { margin: -6px 0 10px; font-size: 13px; color: var(--ink-2); }
.ds-xrdbar select { width: auto; display: inline-block; margin-left: 6px; padding: 5px 8px; }
.ds-cta { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px 16px; border: 1px solid color-mix(in srgb, var(--brand) 35%, var(--line)); background: var(--brand-soft); border-radius: 10px; padding: 11px 14px; margin: 4px 0 14px; }
.ds-cta b { display: block; font-size: 14px; }
.ds-cta span { font-size: 13px; color: var(--ink-2); }
.ds-cta > div { flex: 1 1 260px; min-width: 0; }
.ph-tab td .hint { margin: 0; }
#ph-sel { margin-top: 16px; }
/* periodic table */
.gn-pick { display: grid; gap: 10px; }
.ptab-wrap { overflow-x: auto; padding-bottom: 4px; }
.ptab { display: grid; grid-template-columns: repeat(18, minmax(30px, 1fr)); grid-template-rows: repeat(7, 30px) 4px 30px 30px; gap: 3px; min-width: 590px; max-width: 760px; }
.ptab-gap { height: 4px; }
.ptab button { border: 1px solid var(--line); background: var(--card); color: var(--ink-2); border-radius: 5px; font: 600 12px Inter, sans-serif; cursor: pointer; padding: 0; }
.ptab button:hover { border-color: var(--brand); color: var(--ink); }
.ptab button.b-s { background: color-mix(in srgb, var(--s5) 7%, var(--card)); }
.ptab button.b-p { background: color-mix(in srgb, var(--s3) 8%, var(--card)); }
.ptab button.b-d { background: color-mix(in srgb, var(--s1) 6%, var(--card)); }
.ptab button.b-f { background: color-mix(in srgb, var(--s2) 7%, var(--card)); }
.ptab button[aria-pressed=true] { background: var(--brand); border-color: var(--brand); color: #fff; }
.ptab button:focus-visible { outline: 2px solid var(--brand); outline-offset: 1px; }
.prog { height: 6px; background: var(--line-2); border-radius: 4px; overflow: hidden; }
.prog i { display: block; height: 100%; width: 0; background: var(--brand); transition: width .25s; }
table.gn-tab td sup { font-size: .72em; }
.why-b { font-size: 12px; margin-left: 4px; }
tr.gn-why > td { background: var(--line-2); text-align: left; white-space: normal; padding: 14px 16px; }
.gn-whyp { max-width: 820px; }
.gn-whyp h4 { margin: 0 0 6px; font-size: 14.5px; }
.gn-whyp ol { margin: 0 0 8px; padding-left: 20px; display: grid; gap: 6px; font-size: 13.5px; line-height: 1.55; color: var(--ink-2); }
.gn-whyp ol b { color: var(--ink); }
.gn-whyp .tag { margin: 0 4px 0 0; }
.gn-whyp .hint { margin: 0; font-size: 12.5px; }
.gn-pred h3 { font-size: 16px; margin-bottom: 2px; }
.gn-pred .hint { margin: 0 0 8px; }
.gn-pred-row { display: flex; gap: 10px; align-items: flex-start; margin-bottom: 10px; }
.gn-pred-row textarea { min-height: 90px; flex: 1; min-width: 0; font-family: var(--mono); font-size: 13px; }
#gn-out { margin-bottom: 16px; }
.gn-pred { margin-bottom: 16px; }
details.gn-how summary { cursor: pointer; font-weight: 600; font-size: 14px; }
details.gn-how #gn-how { margin-top: 10px; max-width: 780px; }
details.gn-how p { font-size: 13.5px; color: var(--ink-2); margin: 0 0 10px; }
.linkbtn.inline, .ds-intro .linkbtn { display: inline; }
@media (max-width: 900px) { .ds-grid { grid-template-columns: minmax(0, 1fr); } .ds-view canvas { height: 300px; } }
@media (max-width: 560px) { .hide-sm { display: none; } .gn-pred-row { flex-direction: column; } .gn-pred-row .btn { width: 100%; justify-content: center; } }

.st-top .theme-btn { width: 34px; height: 34px; }
.st-top .avatar { width: 32px; height: 32px; font-size: 12.5px; }
.st-top .signin { font-size: 13.5px; font-weight: 600; color: var(--ink-2); padding: 7px 4px; }
@media (max-width: 560px) { .st-top .signin, .st-top .theme-wrap { display: none; } }

/* AI results */
.ai-tag { display: inline-flex; align-items: center; justify-content: center; font: 700 10.5px var(--display); letter-spacing: .06em; color: #fff; background: linear-gradient(135deg, var(--brand), #5a3fc6); border-radius: 6px; padding: 2px 6px; margin-right: 4px; vertical-align: 2px; box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 35%, transparent); }
.eqn.big { font-family: 'Source Serif 4', Georgia, serif; font-size: 19px; color: var(--ink); }
.res .verdict .sub-v { display: inline-block; margin-top: 4px; font-size: 13.5px; color: var(--ink-2); }
td.eqn { font-family: 'Source Serif 4', Georgia, serif; font-size: 15px; }
.pm { color: var(--ink-3); font-size: .82em; white-space: nowrap; }

/* Facet panel */
.co-head { align-items: center; padding-bottom: 6px; }
.co-head > div { flex: 1; display: grid; }
.co-head h3 { font-size: 17px; }
.co-head small { color: var(--ink-3); font-size: 12px; }
.facet-mark { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 10px; color: #fff; background: linear-gradient(135deg, var(--brand), #5a3fc6); box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 35%, transparent); }
.facet-mark svg { width: 20px; height: 20px; }
.co-tabs button { font-size: 13px; padding: 8px 5px; }
#co-check, #co-graph { padding: 14px 16px; overflow-y: auto; display: grid; gap: 10px; align-content: start; }
.chk-sum { padding: 10px 12px; border-radius: 10px; background: var(--warn-soft); font-size: 13.5px; }
.chk-sum.ok { background: var(--ok-soft); }
.chk { display: flex; gap: 10px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px; }
.chk .ic { flex: none; display: grid; place-items: center; width: 22px; height: 22px; border-radius: 50%; font: 700 12px Inter, sans-serif; color: #fff; background: var(--ink-3); }
.chk.error .ic { background: var(--bad); } .chk.warn .ic { background: var(--warn); } .chk.info .ic { background: var(--brand); }
.chk small { color: var(--ink-3); font-size: 11.5px; font-weight: 600; }
.chk p { margin: 2px 0 4px; font-size: 13.5px; color: var(--ink-2); line-height: 1.5; }
.gr-drop { display: grid; justify-items: center; gap: 6px; text-align: center; padding: 26px 16px; border: 2px dashed var(--axis); border-radius: 14px; cursor: pointer; color: var(--ink-2); }
.gr-drop svg { width: 36px; height: 36px; color: var(--brand); }
.gr-drop b { color: var(--ink); font-size: 15px; }
.gr-drop span { font-size: 13px; }
.gr-drop:hover, .gr-drop.over, .gr-drop:focus-visible { border-color: var(--brand); background: var(--brand-soft); outline: none; }
.gr-steps { margin: 0; padding-left: 20px; display: grid; gap: 4px; font-size: 13.5px; color: var(--ink-2); }
.dg-wrap { display: grid; place-items: center; border: 1px solid var(--line); border-radius: 10px; background: #fff; padding: 6px; }
.dg-wrap canvas { display: block; max-width: 100%; max-height: 60vh; width: auto; height: auto; cursor: crosshair; }
.dg-bar { display: flex; flex-wrap: wrap; gap: 8px 14px; align-items: center; margin-top: 12px; font-size: 14px; }
.dg-bar input[type=number] { width: 130px; display: inline-block; margin-left: 6px; }
.dg-bar .check { margin: 0; }
#co-att { display: flex; align-items: center; gap: 8px; padding: 6px; border: 1px solid var(--line); border-radius: 8px; margin-bottom: 6px; font-size: 12.5px; }
#co-att img { width: 44px; height: 32px; object-fit: cover; border-radius: 4px; }
#co-att span { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--ink-2); }
#co-att button { border: 0; background: none; font-size: 18px; color: var(--ink-3); cursor: pointer; }
.co-send { display: flex; justify-content: space-between; gap: 8px; margin-top: 6px; }
.co-send .btn svg { width: 15px; height: 15px; }
.msg-img { display: block; max-width: 100%; max-height: 160px; border-radius: 8px; margin-bottom: 6px; }

/* Report agent */
#co-report { padding: 14px 16px 24px; overflow-y: auto; display: grid; gap: 12px; align-content: start; }
.rp-intro b { font: 600 15px var(--display); }
.rp-intro p { margin: 4px 0 0; font-size: 13.5px; color: var(--ink-2); line-height: 1.55; }
.rp-opts { display: grid; gap: 10px; }
.rp-l { display: grid; gap: 4px; font-size: 12.5px; font-weight: 600; color: var(--ink-2); }
.rp-l span, .rp-fh small { font-weight: 400; color: var(--ink-3); }
.rp-fh { display: flex; align-items: center; gap: 8px; font-size: 12.5px; font-weight: 600; color: var(--ink-2); }
.rp-fh span { flex: 1; }
.rp-f { display: flex; align-items: center; gap: 8px; padding: 4px; border: 1px solid var(--line); border-radius: 8px; margin-top: 6px; font-size: 12.5px; }
.rp-f img { width: 44px; height: 32px; object-fit: cover; border-radius: 4px; }
.rp-f span { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--ink-2); }
.rp-f button { border: 0; background: none; font-size: 18px; color: var(--ink-3); cursor: pointer; }
.rp-log { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; font-size: 13px; color: var(--ink-2); }
.rp-log li { display: flex; gap: 8px; align-items: flex-start; line-height: 1.45; }
.rp-log li i { font-style: normal; flex: none; display: grid; place-items: center; width: 18px; height: 18px; border-radius: 50%; font-size: 11px; font-weight: 700; color: #fff; background: var(--ok); }
.rp-log li.skip i { background: var(--ink-3); } .rp-log li.bad i { background: var(--bad); }
.rp-log .spin { margin-top: 2px; flex: none; }
.rp-done { display: grid; gap: 4px; padding: 12px 14px; border-radius: 12px; background: var(--ok-soft); font-size: 13.5px; }
.rp-done span { color: var(--ink-2); font-size: 12.5px; }
.rp-btns { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.rp-frame { width: 100%; height: 68vh; border: 1px solid var(--line); border-radius: 10px; background: #fff; margin-top: 8px; }

.drop-veil { position: fixed; inset: 0; z-index: 90; display: grid; place-items: center; background: color-mix(in srgb, var(--brand) 14%, rgba(8,12,30,.55)); backdrop-filter: blur(2px); pointer-events: none; }
.drop-veil div { display: grid; gap: 6px; text-align: center; max-width: 420px; padding: 28px 30px; border: 2px dashed #fff; border-radius: 18px; color: #fff; background: rgba(11,14,36,.6); }
.drop-veil b { font: 600 22px var(--display); }
.drop-veil span { font-size: 14px; color: #dfe3ff; }

.start-drop { margin: 12px 0 0; padding: 12px 14px; border: 1px dashed var(--axis); border-radius: 10px; font-size: 13px; color: var(--ink-3); line-height: 1.5; }