/* ── Keyframes ── */
@keyframes fadeUp   { from { opacity:0; transform:translateY(12px); } to { opacity:1; transform:none; } }
@keyframes fadeIn   { from { opacity:0; } to { opacity:1; } }
@keyframes pulse    { 0%,100%{opacity:1} 50%{opacity:0.2} }
@keyframes shimmer  { 0%{background-position:-200% center} 100%{background-position:200% center} }
@keyframes borderPulse { 0%,100%{border-color:rgba(0,0,0,0.1)} 50%{border-color:rgba(196,54,79,0.5)} }
@keyframes float    { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-6px)} }

/* ── Variables & Reset ── */
:root {
  --bg:         #F5EDD8;
  --surface:    #FDFAF5;
  --surface-2:  #EDE5D4;
  --surface-3:  #E4D9C4;
  --border:     rgba(0,0,0,0.08);
  --border-2:   rgba(0,0,0,0.14);
  --accent:     #C4364F;
  --accent-dim: rgba(196,54,79,0.08);
  --accent-glow:rgba(196,54,79,0.22);
  --txt:        #1A0A06;
  --txt-2:      #7A5C50;
  --txt-3:      #A08C80;
  --pos:        #16a34a;
  --neg:        #dc2626;
  --warn:       #d97706;
  --nav-w:      224px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg); color: var(--txt);
  min-height: 100vh; overflow-x: hidden;
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
  font-size: 14px;
}

/* ── Left Nav ── */
.left-nav {
  position: fixed; left:0; top:0; bottom:0; width: var(--nav-w); z-index:200;
  background: var(--surface); border-right:1px solid var(--border);
  display:flex; flex-direction:column; overflow-y:auto; overflow-x:hidden;
}
.nav-logo-wrap { padding:1.4rem 1.25rem 1rem; border-bottom:1px solid var(--border); flex-shrink:0; }
.nav-logo { height:26px; width:auto; object-fit:contain; display:block; filter: brightness(0) saturate(100%) invert(22%) sepia(96%) saturate(600%) hue-rotate(323deg) brightness(90%); }
.nav-file-chip { margin-top:.55rem; font-size:.68rem; color:var(--txt-3); overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.nav-file-chip strong { color:var(--txt-2); font-weight:500; }
.nav-section-lbl { font-size:.58rem; font-weight:700; text-transform:uppercase; letter-spacing:.1em; color:var(--txt-3); padding:.9rem 1.25rem .3rem; }
.nav-item {
  display:flex; align-items:center; gap:.6rem;
  padding:.58rem 1.25rem; font-size:.83rem; font-weight:500; color:var(--txt-2);
  cursor:pointer; transition:color .15s,background .15s; user-select:none;
  border:none; background:none; width:100%; text-align:left; border-right:2px solid transparent;
}
.nav-item:hover { color:var(--txt); background:rgba(0,0,0,0.04); }
.nav-item.active { color:var(--txt); background:var(--accent-dim); border-right-color:var(--accent); font-weight:600; }
.nav-item .ni { font-size:.85rem; width:16px; text-align:center; flex-shrink:0; opacity:.75; }
.nav-divider { height:1px; background:var(--border); margin:.35rem 0; }
.nav-bottom { padding:.9rem 1.25rem 1.25rem; border-top:1px solid var(--border); margin-top:auto; flex-shrink:0; }
.nav-setting-lbl { font-size:.58rem; font-weight:700; text-transform:uppercase; letter-spacing:.1em; color:var(--txt-3); margin-bottom:.4rem; display:block; }
.nav-textarea {
  width:100%; padding:.45rem .6rem; border:1px solid var(--border-2); border-radius:0;
  background:var(--surface-3); color:var(--txt); font-family:inherit; font-size:.74rem;
  resize:vertical; line-height:1.5; outline:none; transition:border-color .15s,box-shadow .15s; min-height:56px;
}
.nav-textarea:focus { border-color:var(--accent); box-shadow:0 0 0 3px var(--accent-dim); }
.nav-btn {
  display:block; width:100%; padding:.38rem .7rem; border-radius:0;
  font-size:.72rem; font-weight:600; cursor:pointer; border:none;
  font-family:inherit; text-align:center; margin-top:.35rem; transition:all .15s;
}
.nav-btn.primary { background:var(--accent); color:#fff; }
.nav-btn.primary:hover { background:#a8233c; box-shadow:0 4px 14px var(--accent-glow); }
.nav-btn.ghost { background:var(--surface-3); color:var(--txt-2); border:1px solid var(--border-2); }
.nav-btn.ghost:hover { background:var(--surface-2); color:var(--txt); }

/* ── App main ── */
#results-section { margin-left:0; }

/* ── Full-screen states ── */
#upload-section {
  min-height:100vh;
  background:var(--bg);
  background-image:radial-gradient(ellipse 80% 40% at 50% 0%, rgba(196,54,79,0.06) 0%, transparent 55%);
}
.upload-logo { height:40px; width:auto; object-fit:contain; margin-bottom:3.5rem; display:block; filter: brightness(0) saturate(100%) invert(22%) sepia(96%) saturate(600%) hue-rotate(323deg) brightness(90%); }
.upload-area {
  width:min(540px,92vw); border:1.5px dashed rgba(0,0,0,0.15); border-radius:0;
  padding:5rem 2.5rem; text-align:center; cursor:pointer;
  background:rgba(255,255,255,0.5);
  transition:border-color .25s,background .25s,transform .25s,box-shadow .25s;
  animation:borderPulse 4s ease-in-out infinite;
}
.upload-area:hover,.upload-area.drag-over {
  border-color:var(--accent); background:rgba(196,54,79,0.04);
  box-shadow:0 0 0 6px var(--accent-dim),0 12px 40px rgba(0,0,0,0.12);
  transform:translateY(-4px); animation:none;
}
.upload-icon { font-size:3.5rem; margin-bottom:1.4rem; line-height:1; display:block; animation:float 3.5s ease-in-out infinite; }
.upload-area:hover .upload-icon { animation:none; transform:scale(1.1); transition:transform .2s; }
.upload-area h2 { font-size:1.2rem; font-weight:700; margin-bottom:.45rem; color:var(--txt); letter-spacing:-.03em; }
.upload-area p { font-size:.875rem; color:var(--txt-2); }
.file-badges { display:inline-flex; gap:.3rem; margin-top:1.2rem; flex-wrap:wrap; justify-content:center; }
.file-badge { font-size:.61rem; padding:.2rem .65rem; background:var(--surface-2); border:1px solid var(--border-2); border-radius:0; color:var(--txt-3); font-weight:600; letter-spacing:.04em; }
#context-section { min-height:100vh; display:flex; align-items:center; justify-content:center; padding:2rem; background:var(--bg); }
#claude-loading { min-height:100vh; display:flex; align-items:center; justify-content:center; padding:2rem; background:var(--bg); flex-direction:column; gap:1.5rem; }
#mapping-section { min-height:100vh; max-width:920px; margin:0 auto; padding:2.5rem 2rem; display:flex; flex-direction:column; justify-content:center; }

/* ── Cards ── */
.card { background:transparent; border-radius:0; padding:1.25rem 1.25rem; margin-top:0; border:none; box-shadow:none; animation:fadeUp .26s ease both; }
.section-label { font-size:.58rem; font-weight:700; color:var(--txt-3); text-transform:uppercase; letter-spacing:.14em; margin-bottom:1rem; }
#context-section .card { background:var(--surface); border:1px solid var(--border); border-radius:0; padding:2rem; max-width:540px; width:100%; }
#mapping-section .card { background:var(--surface); border:1px solid var(--border); border-radius:0; }

/* ── Topbar ── */
.app-topbar {
  display:flex; align-items:center; gap:.75rem; padding:.6rem 1.25rem;
  border-bottom:1px solid var(--border); position:sticky; top:0; z-index:50;
  background:rgba(245,237,216,0.92); backdrop-filter:blur(14px); -webkit-backdrop-filter:blur(14px);
  flex-wrap:wrap;
}
.topbar-lbl { font-size:.72rem; font-weight:600; color:var(--txt-3); white-space:nowrap; }
.topbar-spacer { flex:1; }

/* ── Buttons ── */
.btn { display:inline-flex; align-items:center; gap:.4rem; padding:.58rem 1.15rem; border-radius:0; font-size:.83rem; font-weight:600; cursor:pointer; border:none; transition:all .18s ease; line-height:1; font-family:inherit; letter-spacing:-.005em; position:relative; overflow:hidden; }
.btn-primary { background:var(--accent); color:#fff; box-shadow:0 1px 0 rgba(255,255,255,.1) inset,0 4px 14px rgba(196,54,79,.25); }
.btn-primary::before { content:''; position:absolute; inset:0; background:linear-gradient(105deg,transparent 35%,rgba(255,255,255,.12) 50%,transparent 65%); background-size:250% 100%; background-position:-200% center; transition:background-position 0s; }
.btn-primary:hover { background:#a8233c; box-shadow:0 6px 22px rgba(196,54,79,.35); transform:translateY(-1px); }
.btn-primary:hover::before { background-position:200% center; transition:background-position .5s ease; }
.btn-primary:active { transform:translateY(0); }
.btn-ghost { background:var(--surface-2); color:var(--txt-2); border:1px solid var(--border-2); }
.btn-ghost:hover { background:var(--surface-3); color:var(--txt); }

/* ── Metrics grid ── */
.metrics-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(176px,1fr)); gap:1px; background:var(--border); border:1px solid var(--border); border-radius:0; overflow:hidden; margin-bottom:2rem; }
.metric-card { background:var(--surface); padding:1.4rem 1.25rem; transition:background .15s; cursor:default; }
.metric-card:hover { background:var(--surface-2); }
.metric-label { font-size:.58rem; font-weight:700; color:var(--txt-3); text-transform:uppercase; letter-spacing:.13em; margin-bottom:.6rem; }
.metric-value { font-size:1.7rem; font-weight:800; color:var(--txt); line-height:1; letter-spacing:-.04em; }
.metric-sub { font-size:.67rem; color:var(--txt-3); margin-top:.4rem; }

/* ── Nav tabs — hidden, replaced by left nav ── */
.tabs { display:none; }
.tab-content { display:none; }
.tab-content.active { display:block; animation:fadeUp .22s ease both; }

/* ── Tables ── */
.table-wrap { overflow-x:auto; border-radius:0; border:1px solid var(--border); }
table { width:100%; border-collapse:collapse; font-size:.83rem; }
th { text-align:left; padding:.65rem 1rem; font-size:.58rem; font-weight:700; color:var(--txt-3); text-transform:uppercase; letter-spacing:.1em; background:var(--surface-2); border-bottom:1px solid var(--border); white-space:nowrap; }
th:not(:first-child) { text-align:right; }
td { padding:.7rem 1rem; border-bottom:1px solid var(--border); color:var(--txt); vertical-align:middle; }
td:not(:first-child) { text-align:right; font-variant-numeric:tabular-nums; }
tr:last-child td { border-bottom:none; }
tr.total-row td { font-weight:700; background:var(--surface-2); border-top:1px solid var(--border); }
tr:hover:not(.total-row) td { background:rgba(0,0,0,0.03); transition:background .1s; }

/* ── Charts ── */
.chart-wrap { position:relative; margin-bottom:.5rem; }

/* ── KPI cards ── */
.kpi-grid { display:grid; grid-template-columns:1fr 1fr; gap:1px; max-width:580px; background:var(--border); border:1px solid var(--border); border-radius:0; overflow:hidden; }
.kpi-card { background:var(--surface); padding:1.5rem; border-top:2px solid var(--border-2); transition:background .15s; }
.kpi-card:hover { background:var(--surface-2); }
.kpi-card .kpi-val { font-size:2.8rem; font-weight:800; color:var(--txt); line-height:1; letter-spacing:-.05em; }
.kpi-card .kpi-unit { font-size:.74rem; color:var(--txt-3); margin-top:.3rem; }
.kpi-card .kpi-formula { margin-top:.9rem; font-size:.74rem; color:var(--txt-2); line-height:1.65; padding-top:.8rem; border-top:1px solid var(--border); }
.kpi-warn { font-size:.73rem; color:var(--neg); margin-top:.3rem; }

/* ── Badges ── */
.cls-badge { display:inline-block; padding:.17rem .48rem; border-radius:0; font-size:.63rem; font-weight:700; letter-spacing:.03em; }
.cls-ap { background:rgba(245,158,11,.14); color:#b45309; }
.cls-ar { background:rgba(59,130,246,.14); color:#2563eb; }
.cls-cash { background:rgba(22,163,74,.14); color:#16a34a; }
.cls-revenue { background:rgba(22,163,74,.12); color:#15803d; }
.cls-expense { background:rgba(220,38,38,.12); color:#dc2626; }
.cls-cogs { background:rgba(234,88,12,.12); color:#ea580c; }
.cls-unmatched { background:rgba(0,0,0,.06); color:var(--txt-3); }
.cls-asset { background:rgba(37,99,235,.1); color:#2563eb; }
.cls-equity { background:rgba(109,40,217,.1); color:#7c3aed; }
.bucket-0-30   { color:#16a34a; font-weight:600; }
.bucket-31-60  { color:#d97706; font-weight:600; }
.bucket-61-90  { color:#ea580c; font-weight:600; }
.bucket-90plus { color:#dc2626; font-weight:600; }

/* ── Alerts ── */
.alert { padding:.85rem 1.1rem; border-radius:0; font-size:.84rem; margin-bottom:1rem; }
.alert-warning { background:rgba(245,158,11,.1); border:1px solid rgba(245,158,11,.3); color:#92400e; }

/* ── Utilities ── */
.hidden { display:none !important; }
.flex { display:flex; } .items-center { align-items:center; } .justify-between { justify-content:space-between; } .gap-2 { gap:.5rem; } .mt-3 { margin-top:1.5rem; }
.preview-note { font-size:.77rem; color:var(--txt-3); margin-top:.6rem; text-align:center; }
.empty-state { color:var(--txt-3); text-align:center; padding:3rem 1rem; font-size:.875rem; line-height:1.65; }
.empty-ok { color:#16a34a; font-weight:500; }

/* ── Period bar (inside topbar) ── */
.period-bar { display:flex; align-items:center; gap:.65rem; flex-wrap:wrap; }
.period-bar label { font-size:.72rem; font-weight:600; color:var(--txt-3); white-space:nowrap; }
.period-bar select { padding:.36rem .65rem; border:1px solid var(--border-2); border-radius:0; font-size:.79rem; background:var(--surface-3); color:var(--txt); cursor:pointer; font-family:inherit; outline:none; transition:border-color .15s; }
.period-bar select:focus { border-color:var(--accent); box-shadow:0 0 0 3px var(--accent-dim); }
.period-note { font-size:.71rem; color:var(--txt-3); }

/* ── IP cards ── */
.ip-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:1px; margin-bottom:1.5rem; background:var(--border); border:1px solid var(--border); border-radius:0; overflow:hidden; }
.ip-card { background:var(--surface); padding:1.1rem 1.2rem; border-top:2px solid var(--border-2); transition:background .15s; border:none; }
.ip-card:hover { background:var(--surface-2); }
.ip-card.invoiced { border-top:2px solid #9c8070; }
.ip-card.paid { border-top:2px solid #16a34a; }
.ip-card.outstanding { border-top:2px solid #d97706; }
.ip-card .ip-label { font-size:.58rem; font-weight:700; color:var(--txt-3); text-transform:uppercase; letter-spacing:.1em; margin-bottom:.4rem; }
.ip-card .ip-val { font-size:1.55rem; font-weight:800; color:var(--txt); line-height:1; letter-spacing:-.04em; }
.ip-card .ip-sub { font-size:.68rem; color:var(--txt-3); margin-top:.3rem; }
.ip-section-label { font-size:.58rem; font-weight:700; color:var(--txt-3); text-transform:uppercase; letter-spacing:.1em; margin:1.2rem 0 .7rem; }
.paid-ok { color:#16a34a; font-weight:600; }

/* ── Variance ── */
.variance-bar { display:flex; align-items:center; gap:.6rem; margin-bottom:1.25rem; padding-bottom:1.25rem; border-bottom:1px solid var(--border); flex-wrap:wrap; }
.variance-bar label { font-size:.77rem; font-weight:600; color:var(--txt-2); white-space:nowrap; }
.variance-bar select { padding:.36rem .65rem; border:1px solid var(--border-2); border-radius:0; font-size:.79rem; background:var(--surface-3); color:var(--txt); cursor:pointer; font-family:inherit; outline:none; }
.variance-bar select:focus { border-color:var(--accent); box-shadow:0 0 0 3px var(--accent-dim); }
tr.pareto-row td { background:rgba(217,119,6,.06) !important; }
tr.pareto-row:hover td { background:rgba(217,119,6,.1) !important; }
.pareto-dot { display:inline-block; width:6px; height:6px; background:#d97706; border-radius:50%; margin-right:6px; vertical-align:middle; }
.pl-acct-link:hover { color:var(--accent); }
.var-pos { color:#16a34a; font-weight:600; } .var-neg { color:#dc2626; font-weight:600; } .var-zero { color:#d97706; font-weight:600; }
details.card > summary { list-style:none; cursor:pointer; }
details.card > summary::-webkit-details-marker { display:none; }
.var-chevron { display:inline-block; transition:transform .2s ease; color:var(--txt-3); font-size:.7rem; }
details[open].card .var-chevron { transform:rotate(180deg); }
.var-block { background:var(--surface); border:1px solid var(--border); border-radius:0; padding:1.2rem 1.35rem; margin-bottom:.65rem; transition:border-color .18s,background .18s; }
.var-block:hover { border-color:var(--border-2); background:var(--surface-2); }
.var-block-header { display:flex; align-items:center; gap:.7rem; flex-wrap:wrap; margin-bottom:.7rem; }
.var-block-name { font-weight:600; font-size:.92rem; flex:1; min-width:0; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; color:var(--txt); }
.var-block-total { font-size:1rem; font-weight:700; color:var(--txt); font-variant-numeric:tabular-nums; }
.var-block-delta { font-size:.76rem; font-weight:600; padding:.17rem .48rem; border-radius:0; white-space:nowrap; }
.var-block-delta.pos { background:rgba(22,163,74,.12); color:#16a34a; }
.var-block-delta.neg { background:rgba(220,38,38,.12); color:#dc2626; }
.var-block-delta.zero { background:rgba(217,119,6,.12); color:#d97706; }
.pl-view-btn { font-size:.71rem; padding:4px 11px; border:none; border-radius:0; cursor:pointer; font-family:inherit; background:var(--surface-3); color:var(--txt-2); transition:background .15s,color .15s; }
.pl-view-btn.active { background:var(--accent); color:#fff; }
.var-narrative { font-size:.82rem; color:var(--txt-2); border-left:2px solid var(--accent); padding:.6rem .9rem; border-radius:0; margin-bottom:.8rem; line-height:1.6; cursor:pointer; position:relative; user-select:none; background:rgba(196,54,79,.05); transition:background .15s; }
.var-narrative:hover { background:rgba(196,54,79,.09); }
.var-narrative-loading { color:var(--txt-3); font-style:italic; animation:pulse 1.5s ease-in-out infinite; }
.var-narrative .copy-hint { position:absolute; right:.5rem; top:50%; transform:translateY(-50%); opacity:0; transition:opacity .15s; pointer-events:none; }
.var-narrative:hover .copy-hint { opacity:1; }
.var-narrative.copied { background:rgba(22,163,74,.08) !important; }
.tw-cursor::after { content:'▋'; animation:pulse .8s ease-in-out infinite; color:var(--accent); font-size:.7em; vertical-align:text-bottom; margin-left:1px; }
.var-equation { display:flex; align-items:center; gap:.6rem; font-size:.81rem; padding:.5rem .8rem; background:var(--surface-2); border-radius:0; margin-bottom:.8rem; flex-wrap:wrap; border:1px solid var(--border); }
.var-eq-val { font-weight:700; color:var(--txt); } .var-eq-sep { color:var(--txt-3); }
.var-section-title { font-size:.68rem; font-weight:700; text-transform:uppercase; letter-spacing:.09em; color:var(--txt-3); margin:.65rem 0 .3rem; padding-bottom:.3rem; border-bottom:1px solid var(--border); }
.var-section-note { font-size:.72rem; color:var(--txt-3); margin-bottom:1rem; }
.commentary-stale-banner { display:none; align-items:center; gap:.75rem; background:rgba(196,54,79,.05); border:1px solid rgba(196,54,79,.18); padding:.5rem 1rem; margin-bottom:.75rem; font-size:.79rem; color:var(--txt-2); }
.var-pl-table { width:100%; border-collapse:collapse; }
.var-pl-table th { font-size:.75rem; font-weight:600; color:var(--txt-3); padding:.35rem .75rem; border-bottom:2px solid var(--border); white-space:nowrap; }
.var-pl-table td { padding:.25rem .75rem; border-bottom:1px solid var(--border); font-size:.83rem; vertical-align:middle; }
.var-section-header td { font-size:.7rem; font-weight:700; text-transform:uppercase; letter-spacing:.07em; color:var(--txt-3); padding:.5rem .75rem .18rem; border-top:1px solid var(--border); border-bottom:none; background:transparent; }
.var-account-row:hover td { background:var(--surface-2); cursor:pointer; }
.var-account-row td:first-child { font-size:.82rem; }
.var-total-row td { font-weight:700; font-size:.83rem; border-top:1px solid var(--border); border-bottom:2px solid var(--border); }
.var-detail-row td { background:var(--surface-2); padding:0; }
.anomaly-badge { display:inline-flex;align-items:center;justify-content:center;width:15px;height:15px;background:var(--accent);color:#fff;font-size:.6rem;font-weight:800;margin-left:.45rem;cursor:help;flex-shrink:0;vertical-align:middle; }
.anomaly-comment { font-size:.76rem;color:var(--accent);font-weight:600;margin-bottom:.3rem;line-height:1.4; }
.var-comment-cell { font-size:.77rem; color:var(--txt-2); font-style:italic; max-width:240px; line-height:1.45; }
.var-breakdown-toggle { display:flex; align-items:center; justify-content:space-between; cursor:pointer; font-size:.74rem; font-weight:600; color:var(--txt-2); padding:.4rem 0; border-top:1px solid var(--border); margin-top:.1rem; user-select:none; list-style:none; }
.var-breakdown-toggle::-webkit-details-marker { display:none; }
.var-breakdown-toggle .vbt-arrow { font-size:.63rem; color:var(--txt-3); transition:transform .18s; }
details.var-breakdown[open] .vbt-arrow { transform:rotate(180deg); }
details.var-breakdown > .table-wrap { margin-top:.5rem; }
.analysis-period-bar { display:flex; align-items:center; gap:.5rem; flex-wrap:wrap; padding:.32rem .75rem; background:var(--surface); border:1px solid var(--border); border-radius:0; margin-bottom:.4rem; }
.apb-label { font-size:.65rem; font-weight:700; text-transform:uppercase; letter-spacing:.07em; color:var(--txt-3); white-space:nowrap; width:108px; flex-shrink:0; }
.apb-arrow { color:var(--txt-3); font-size:.85rem; }
.apb-sep { width:1px; background:var(--border-2); align-self:stretch; margin:0 .1rem; }
.analysis-period-bar select { padding:.28rem .55rem; border:1px solid var(--border-2); border-radius:0; font-size:.77rem; background:var(--surface-3); color:var(--txt); cursor:pointer; font-family:inherit; outline:none; }
.analysis-period-bar select:focus { border-color:var(--accent); box-shadow:0 0 0 3px var(--accent-dim); }
.arap-toggle { display:flex; gap:.35rem; margin-bottom:1rem; }
.arap-btn { padding:.4rem 1rem; border-radius:0; font-size:.82rem; font-weight:600; cursor:pointer; border:1px solid var(--border-2); background:var(--surface-2); color:var(--txt-2); transition:all .15s; font-family:inherit; }
.arap-btn:hover:not(.active) { background:var(--surface-3); color:var(--txt); }
.arap-btn.active { background:var(--accent); color:#fff; border-color:var(--accent); box-shadow:0 2px 10px var(--accent-glow); }
.ob-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(168px,1fr)); gap:.85rem; }
.ob-item label { display:block; font-size:.73rem; font-weight:600; color:var(--txt-2); margin-bottom:.3rem; }
.ob-input-wrap { display:flex; align-items:center; border:1px solid var(--border-2); border-radius:0; overflow:hidden; transition:border-color .15s,box-shadow .15s; background:var(--surface-3); }
.ob-input-wrap:focus-within { border-color:var(--accent); box-shadow:0 0 0 3px var(--accent-dim); }
.ob-prefix { padding:.46rem .58rem; font-size:.84rem; color:var(--txt-3); background:var(--surface-2); border-right:1px solid var(--border-2); user-select:none; }
.ob-input-wrap input[type=number] { border:none; padding:.46rem .7rem; font-size:.84rem; width:100%; color:var(--txt); background:transparent; font-family:inherit; outline:none; }
.ob-input-wrap input[type=number]::-webkit-inner-spin-button,.ob-input-wrap input[type=number]::-webkit-outer-spin-button { -webkit-appearance:none; margin:0; }
.results-header { display:flex; justify-content:space-between; align-items:center; padding:.7rem 1.25rem; border-bottom:1px solid var(--border); flex-wrap:wrap; gap:.5rem; }
details.ob-details { border:1px solid var(--border); border-radius:0; padding:.85rem 1.25rem; margin-bottom:1.5rem; background:var(--surface); }
details.ob-details > summary { list-style:none; cursor:pointer; display:flex; align-items:center; justify-content:space-between; }
details.ob-details > summary::-webkit-details-marker { display:none; }
#sidebar-docs-details > summary::-webkit-details-marker { display:none; }
.ob-label { font-size:.63rem; font-weight:700; color:var(--txt-3); text-transform:uppercase; letter-spacing:.09em; }
.ob-chevron { display:inline-block; transition:transform .2s ease; color:var(--txt-3); font-size:.72rem; }
details[open].ob-details .ob-chevron { transform:rotate(180deg); }
details.ob-details > div { padding-top:.9rem; }
.cmp-sel { padding:.36rem .65rem; border:1px solid var(--border-2); border-radius:0; font-size:.79rem; background:var(--surface-3); color:var(--txt); cursor:pointer; font-family:inherit; outline:none; }
.cmp-sel:focus { border-color:var(--accent); box-shadow:0 0 0 3px var(--accent-dim); }
.cmp-section-hdr { font-size:.81rem; font-weight:700; text-transform:uppercase; letter-spacing:.06em; color:var(--txt-2); margin:0 0 .4rem; }
.tab-section-divider { font-size:.68rem; font-weight:700; text-transform:uppercase; letter-spacing:.09em; color:var(--txt-3); margin:2.5rem 0 1.2rem; padding-bottom:.45rem; border-bottom:1px solid var(--border); }
.col-map-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(190px,1fr)); gap:.85rem; }
.col-map-item label { display:block; font-size:.72rem; font-weight:600; color:var(--txt-2); margin-bottom:.32rem; }
.col-map-item select { width:100%; padding:.58rem .75rem; border:1px solid var(--border-2); border-radius:0; font-size:.84rem; background:var(--surface-3); color:var(--txt); cursor:pointer; font-family:inherit; outline:none; }
.col-map-item select:focus { border-color:var(--accent); box-shadow:0 0 0 3px var(--accent-dim); }
.settings-input-wrap { display:flex; align-items:center; border:1px solid var(--border-2); border-radius:0; overflow:hidden; background:var(--surface-3); transition:border-color .15s,box-shadow .15s; }
.settings-input-wrap:focus-within { border-color:var(--accent); box-shadow:0 0 0 3px var(--accent-dim); }
.settings-prefix { padding:.36rem .52rem; font-size:.81rem; color:var(--txt-3); background:var(--surface-2); border-right:1px solid var(--border-2); }
.settings-input-wrap input[type=number] { border:none; padding:.36rem .52rem; font-size:.81rem; width:100%; color:var(--txt); background:transparent; font-family:inherit; outline:none; }
.settings-input-wrap input[type=number]::-webkit-inner-spin-button,.settings-input-wrap input[type=number]::-webkit-outer-spin-button { -webkit-appearance:none; margin:0; }
.settings-section { margin-bottom:1rem; padding-bottom:1rem; border-bottom:1px solid var(--border); }
.settings-section:last-child { margin-bottom:0; padding-bottom:0; border-bottom:none; }
.pareto-row-ctrl { display:flex; align-items:center; gap:.5rem; }
.pareto-row-ctrl input[type=range] { flex:1; accent-color:var(--accent); cursor:pointer; }
.pareto-row-ctrl span { font-size:.77rem; font-weight:700; color:var(--accent); min-width:32px; text-align:right; }
.tab-content-inner { padding:1.25rem 1.25rem; }
.ai-summary-strip { border-bottom:1px solid var(--border); padding:.55rem 1.25rem; font-size:.81rem; color:var(--txt-2); line-height:1.55; display:flex; align-items:flex-start; gap:.6rem; min-height:36px; }
.ai-summary-icon { color:var(--accent); font-size:.85rem; flex-shrink:0; margin-top:2px; }

/* ── Command Palette ── */
#cmd-palette { position:fixed; inset:0; z-index:9000; background:rgba(0,0,0,.45); backdrop-filter:blur(4px); -webkit-backdrop-filter:blur(4px); display:flex; align-items:flex-start; justify-content:center; padding-top:13vh; animation:fadeIn .12s ease; }
.cmd-box { width:min(580px,92vw); background:var(--surface); border:1px solid var(--border-2); border-radius:0; overflow:hidden; box-shadow:0 24px 60px rgba(0,0,0,.18); }
.cmd-input-row { display:flex; align-items:center; gap:.5rem; padding:.8rem 1.1rem; border-bottom:1px solid var(--border); }
.cmd-icon { color:var(--txt-3); font-size:.95rem; flex-shrink:0; }
#cmd-input { flex:1; border:none; background:transparent; color:var(--txt); font-size:.92rem; font-family:inherit; outline:none; }
#cmd-input::placeholder { color:var(--txt-3); }
.cmd-results { max-height:320px; overflow-y:auto; padding:.3rem 0; }
.cmd-group-lbl { font-size:.56rem; font-weight:700; text-transform:uppercase; letter-spacing:.1em; color:var(--txt-3); padding:.55rem 1.1rem .2rem; }
.cmd-item { display:flex; align-items:center; gap:.7rem; padding:.58rem 1.1rem; cursor:pointer; font-size:.84rem; color:var(--txt-2); transition:background .1s,color .1s; }
.cmd-item:hover,.cmd-item.selected { background:var(--accent-dim); color:var(--txt); }
.cmd-item-icon { font-size:.85rem; width:18px; text-align:center; flex-shrink:0; color:var(--txt-3); }
.cmd-item.selected .cmd-item-icon { color:var(--accent); }
.cmd-kbd { margin-left:auto; font-size:.62rem; color:var(--txt-3); background:var(--surface-2); padding:.12rem .38rem; border-radius:0; border:1px solid var(--border-2); flex-shrink:0; }

/* ── No-key notice ── */
#no-key-notice { background:rgba(245,158,11,.08); border-bottom:1px solid rgba(245,158,11,.25); padding:.45rem 1.25rem; font-size:.81rem; color:#92400e; }
#no-key-notice a { color:var(--accent); font-weight:600; }

/* ── Loading dots ── */
.loading-dots { display:flex; gap:6px; }
.loading-dots span { width:8px; height:8px; border-radius:50%; background:var(--accent); animation:pulse 1.2s ease-in-out infinite; }
.loading-dots span:nth-child(2) { animation-delay:.2s; } .loading-dots span:nth-child(3) { animation-delay:.4s; }

/* ── Form elements ── */
#user-context { width:100%; padding:.65rem .8rem; border:1px solid var(--border-2); border-radius:0; background:var(--surface-3); color:var(--txt); font-family:inherit; font-size:.84rem; resize:vertical; line-height:1.6; outline:none; transition:border-color .15s,box-shadow .15s; }
#user-context:focus { border-color:var(--accent); box-shadow:0 0 0 3px var(--accent-dim); }
#ctx-api-key { width:100%; box-sizing:border-box; padding:.52rem .72rem; border:1px solid var(--border-2); border-radius:0; background:var(--surface-3); color:var(--txt); font-family:monospace; font-size:.81rem; outline:none; transition:border-color .15s,box-shadow .15s; }
#ctx-api-key:focus { border-color:var(--accent); box-shadow:0 0 0 3px var(--accent-dim); }

/* ── Landing page ── */
@keyframes textShimmer { 0%{background-position:0% center} 100%{background-position:100% center} }
@keyframes heroGlow    { 0%,100%{opacity:.6} 50%{opacity:1} }

.lp-reveal { opacity:0; transform:translateY(22px); transition:opacity .65s cubic-bezier(.16,1,.3,1), transform .65s cubic-bezier(.16,1,.3,1); }
.lp-reveal.visible { opacity:1; transform:none; }
.lp-d1 { transition-delay:.09s; }
.lp-d2 { transition-delay:.18s; }
.lp-d3 { transition-delay:.27s; }
.lp-d4 { transition-delay:.36s; }

.lp-nav { position:sticky; top:0; z-index:100; background:rgba(245,237,216,.95); backdrop-filter:blur(16px); -webkit-backdrop-filter:blur(16px); border-bottom:1px solid var(--border); padding:0 2.5rem; height:60px; display:flex; align-items:center; justify-content:space-between; }

.lp-hero { padding:8rem 1.5rem 6rem; text-align:center; position:relative; overflow:hidden; background:var(--bg); }
.lp-hero::before { content:''; position:absolute; inset:0; background:radial-gradient(ellipse 70% 55% at 50% -10%, rgba(196,54,79,.12) 0%, transparent 70%); pointer-events:none; animation:heroGlow 7s ease-in-out infinite; }

.lp-eyebrow { font-size:.63rem; font-weight:700; text-transform:uppercase; letter-spacing:.18em; color:var(--accent); margin-bottom:1.5rem; }

.lp-headline { font-size:clamp(2.1rem,5vw,3.4rem); font-weight:800; line-height:1.1; letter-spacing:-.035em; background:linear-gradient(90deg, var(--txt) 0%, var(--txt) 30%, #C4364F 50%, var(--txt) 70%, var(--txt) 100%); background-size:300% auto; -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; animation:textShimmer 4s linear infinite; margin-bottom:1.25rem; }

.lp-subline { font-size:1rem; color:var(--txt-2); line-height:1.7; max-width:500px; margin:0 auto 2.75rem; }
.lp-hint { margin-top:.9rem; font-size:.74rem; color:var(--txt-3); }

.lp-section { padding:5rem 2rem; background:var(--bg); }
.lp-section-alt { background:var(--surface); border-top:1px solid var(--border); border-bottom:1px solid var(--border); }
.lp-section-inner { max-width:960px; margin:0 auto; }

.lp-label { font-size:.62rem; font-weight:700; text-transform:uppercase; letter-spacing:.18em; color:var(--txt-3); text-align:center; margin-bottom:3rem; display:block; }

.lp-grid-4 { display:grid; grid-template-columns:repeat(auto-fit,minmax(175px,1fr)); gap:1.25rem; }
.lp-grid-3 { display:grid; grid-template-columns:repeat(auto-fit,minmax(190px,1fr)); gap:3rem; }

.lp-feature-card { padding:1.75rem; border:1px solid var(--border); background:var(--bg); transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease; }
.lp-feature-card:hover { transform:translateY(-5px); box-shadow:0 16px 48px rgba(196,54,79,.08); border-color:rgba(196,54,79,.22); }
.lp-feature-icon { font-size:1.35rem; margin-bottom:.75rem; display:block; }
.lp-feature-title { font-size:.88rem; font-weight:700; color:var(--txt); margin-bottom:.4rem; }
.lp-feature-desc { font-size:.8rem; color:var(--txt-2); line-height:1.65; }

.lp-step-num { width:28px; height:28px; border-radius:50%; background:var(--accent-dim); color:var(--accent); font-size:.65rem; font-weight:700; display:inline-flex; align-items:center; justify-content:center; margin-bottom:.8rem; }
.lp-step-title { font-size:.9rem; font-weight:700; color:var(--txt); margin-bottom:.4rem; }
.lp-step-desc { font-size:.8rem; color:var(--txt-2); line-height:1.65; }

.lp-pricing-title { font-size:1.6rem; font-weight:800; color:var(--txt); letter-spacing:-.025em; margin-bottom:.5rem; }

.lp-footer { padding:1.5rem 2.5rem; background:#1A0A06; border-top:1px solid rgba(255,255,255,.07); display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:.75rem; }
.lp-footer-copy { font-size:.72rem; color:rgba(255,255,255,.3); }
.lp-footer-copy a { color:rgba(255,255,255,.3); text-decoration:none; }

#clerk-modal { display:none; position:fixed; inset:0; z-index:9000; background:rgba(0,0,0,.5); backdrop-filter:blur(4px); -webkit-backdrop-filter:blur(4px); align-items:center; justify-content:center; }
.lp-clerk-box { width:min(420px,92vw); position:relative; }
.lp-clerk-close { position:absolute; top:-2rem; right:0; background:none; border:none; font-size:1.2rem; cursor:pointer; color:rgba(255,255,255,.7); line-height:1; }

@media(max-width:640px) {
  .lp-nav { padding:0 1.25rem; }
  .lp-hero { padding:5rem 1.25rem 4rem; }
  .lp-section { padding:3.5rem 1.25rem; }
  .lp-grid-3 { gap:2rem; }
}