:root{
  --ground:#F6F7F9; --surface:#FFFFFF; --sunk:#F1F3F5; --ink:#0B1220; --muted:#5B6472; --faint:#8B93A1; --line:#E4E7EC; --line-strong:#CBD0D8;
  --accent:#0E7C66; --accent-ink:#FFFFFF; --accent-soft:#E6F4F0; --accent-line:#B9DED4;
  --good:#1E7F4F; --good-soft:#E5F5EC; --warn:#A2620A; --warn-soft:#FDF2DC; --bad:#B42318; --bad-soft:#FDE8E6;
  --display:"Inter", "SF Pro Display", "Segoe UI", system-ui, sans-serif;
  --body:"Inter", "SF Pro Text", "Segoe UI", system-ui, sans-serif;
  --mono:"JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  --r:8px; --r-lg:12px;
  --shadow:0 1px 2px rgba(16,24,40,.05);
  --shadow-lg:0 12px 40px rgba(16,24,40,.14);
  --top:56px; --chat:400px;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    color-scheme:dark;
    --ground:#0C1015; --surface:#12171E; --sunk:#181E26; --ink:#E7EBF0; --muted:#98A2B3; --faint:#667085; --line:#232B36; --line-strong:#2F3947;
    --accent:#3FBFA0; --accent-ink:#06120E; --accent-soft:#12302A; --accent-line:#1F5347;
    --good:#4FCB8A; --good-soft:#132A1E; --warn:#E5AA4A; --warn-soft:#2B2113; --bad:#F0705F; --bad-soft:#331B18;
    --shadow:0 1px 2px rgba(0,0,0,.4); --shadow-lg:0 12px 40px rgba(0,0,0,.5);
  }
}
:root[data-theme="dark"]{
  color-scheme:dark;
  --ground:#0C1015; --surface:#12171E; --sunk:#181E26; --ink:#E7EBF0; --muted:#98A2B3; --faint:#667085; --line:#232B36; --line-strong:#2F3947;
  --accent:#3FBFA0; --accent-ink:#06120E; --accent-soft:#12302A; --accent-line:#1F5347;
  --good:#4FCB8A; --good-soft:#132A1E; --warn:#E5AA4A; --warn-soft:#2B2113; --bad:#F0705F; --bad-soft:#331B18;
  --shadow:0 1px 2px rgba(0,0,0,.4); --shadow-lg:0 12px 40px rgba(0,0,0,.5);
}
*{box-sizing:border-box}
html,body{background:var(--ground);color:var(--ink);height:100%}
body{font:14px/1.5 var(--body);-webkit-font-smoothing:antialiased;font-feature-settings:"cv11","ss01";margin:0}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.mono{font-family:var(--body);font-variant-numeric:tabular-nums;letter-spacing:-.005em}
.code{font-family:var(--mono);font-size:.92em}
.num{font-variant-numeric:tabular-nums;text-align:right;white-space:nowrap;letter-spacing:-.005em}
.mono.num,.num.mono{font-family:var(--body)}
.muted{color:var(--muted)} .faint{color:var(--faint)}
.pos{color:var(--good)} .neg{color:var(--ink)}
a{color:var(--accent)}

/* ===== top bar ===== */
.top{position:sticky;top:0;z-index:5;background:var(--surface);border-bottom:1px solid var(--line);height:var(--top)}
.top-in{display:flex;align-items:center;gap:16px;height:100%;padding-inline:20px}
.brand{display:flex;align-items:center;gap:9px;font:600 16px/1 var(--display);letter-spacing:-.02em;color:inherit;text-decoration:none}
.brand svg{flex:none}
.book-pick{display:flex;align-items:center;gap:10px;margin-left:auto;min-width:0}
.book-pick label{display:none}
.book-pick select{max-width:260px;font-weight:500;background:var(--sunk);border-color:transparent;padding:6px 28px 6px 10px}
.book-pick select:hover{border-color:var(--line-strong)}
.save{font-size:12px;color:var(--muted);white-space:nowrap}
.save.on::before,.save.busy::before{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;margin-right:6px;vertical-align:1px;background:var(--good)}
.save.busy::before{background:var(--warn)}
#userBox{font-size:13px;color:var(--muted)}

/* ===== shell: chat left, workspace right ===== */
.shell{display:grid;grid-template-columns:var(--chat) minmax(0,1fr);height:calc(100vh - var(--top));height:calc(100dvh - var(--top))}
main{min-width:0;overflow-y:auto;display:flex;flex-direction:column}
.work-head{position:sticky;top:0;z-index:3;background:var(--ground);border-bottom:1px solid var(--line);padding:0 32px}
nav#nav{display:flex;gap:2px;overflow-x:auto;scrollbar-width:none;margin-bottom:-1px}
nav#nav button{all:unset;cursor:pointer;display:inline-flex;align-items:center;gap:7px;padding:13px 12px 11px;color:var(--muted);font-weight:500;font-size:13.5px;border-bottom:2px solid transparent;white-space:nowrap}
nav#nav button:hover{color:var(--ink)}
nav#nav button[aria-current="page"]{color:var(--ink);border-bottom-color:var(--accent)}
nav#nav button:focus-visible{outline:2px solid var(--accent);outline-offset:-2px;border-radius:4px}
#main{padding:28px 32px 72px;max-width:1180px;width:100%}
.badge{font:600 11px/1 var(--body);padding:3px 7px;border-radius:999px;background:var(--warn-soft);color:var(--warn);font-variant-numeric:tabular-nums}
.badge.zero{background:var(--sunk);color:var(--faint)}

/* ===== chat panel ===== */
.dock{display:flex;flex-direction:column;min-height:0;background:var(--surface);border-right:1px solid var(--line)}
.dock-h{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:14px 18px;border-bottom:1px solid var(--line);min-height:56px}
.dock-h h2{font:600 14px/1.2 var(--display);margin:0;letter-spacing:-.01em}
.dock-h .sub{font-size:12px;color:var(--muted);margin-top:2px}
.dock-log{flex:1;overflow-y:auto;padding:18px 18px 8px;display:flex;flex-direction:column;gap:16px;scroll-behavior:smooth}
.msg{font-size:13.5px;line-height:1.55;white-space:pre-wrap;overflow-wrap:anywhere;max-width:100%}
.msg.u{align-self:flex-end;max-width:85%;background:var(--accent-soft);color:var(--ink);padding:9px 13px;border-radius:14px 14px 4px 14px}
.msg.a{align-self:stretch;padding:0 2px}
.msg.a b{font-weight:600}
.msg .acts{margin-top:10px;display:flex;flex-direction:column;gap:5px;padding:9px 11px;border:1px solid var(--line);border-radius:var(--r);background:var(--sunk)}
.msg .act{font-size:12.5px;color:var(--muted);display:flex;gap:7px;align-items:flex-start;line-height:1.4}
.msg .act::before{content:"";flex:none;width:14px;height:14px;margin-top:2px;border-radius:50%;background:var(--good-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 14 14'%3E%3Cpath d='M3.5 7.2l2.3 2.3 4.7-4.9' fill='none' stroke='%231E7F4F' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/14px no-repeat}
.msg .act.bad::before{background:var(--bad-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 14 14'%3E%3Cpath d='M4.5 4.5l5 5M9.5 4.5l-5 5' fill='none' stroke='%23B42318' stroke-width='1.6' stroke-linecap='round'/%3E%3C/svg%3E") center/14px no-repeat}
.welcome{padding:6px 2px 0}
.welcome h3{font:600 15px/1.3 var(--display);margin:0 0 6px;letter-spacing:-.01em}
.welcome p{margin:0;color:var(--muted);font-size:13.5px;line-height:1.55}
.dock-sugs{display:flex;flex-wrap:wrap;gap:6px;padding:6px 18px 12px}
.dock-sugs button{font-size:12.5px;border-radius:999px;padding:6px 11px;background:var(--surface)}
.dock-sugs button:hover{background:var(--accent-soft);border-color:var(--accent-line);color:var(--accent)}
.dock-f{display:flex;align-items:flex-end;gap:6px;margin:8px 14px 14px;padding:6px 6px 6px 8px;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--surface);box-shadow:var(--shadow)}
.dock-f:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.dock-f .ai{display:none}
.dock-f textarea{flex:1;min-height:36px;max-height:160px;resize:none;overflow:hidden;border:0;background:transparent;padding:7px 4px;font-size:14px;line-height:22px;outline:none}
.dock-f textarea::placeholder{color:var(--faint)}
.dock-f .open-btn{display:none}
.dock-f .attach{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:8px;color:var(--muted);cursor:pointer;flex:none;margin-bottom:2px}
.dock-f .attach:hover{color:var(--ink);background:var(--sunk)}
.dock-f .btn.primary{border-radius:8px;height:32px;margin-bottom:2px}
.dock.drag{outline:2px dashed var(--accent);outline-offset:-6px;background:var(--accent-soft)}
.dock-hint{padding:0 18px 10px;font-size:12px;color:var(--faint)}
.dock-busy{display:none}
.typing{display:inline-flex;gap:4px;align-items:center;padding:6px 0}
.typing i{width:6px;height:6px;border-radius:50%;background:var(--faint);animation:blink 1.2s infinite}
.typing i:nth-child(2){animation-delay:.2s}.typing i:nth-child(3){animation-delay:.4s}
@keyframes blink{0%,80%,100%{opacity:.25}40%{opacity:1}}

/* ===== compact screens: chat becomes a floating dock ===== */
@media (max-width:959px){
  .shell{display:block;height:auto}
  .top-in{gap:10px;padding-inline:12px}
  .brand span{display:none}
  .book-pick{gap:8px}
  .book-pick select{max-width:150px}
  .save,.book-pick a{display:none}
  main{overflow:visible}
  .work-head{padding:0 16px;top:var(--top)}
  #main{padding:20px 16px calc(96px + env(safe-area-inset-bottom,0px))}
  .dock{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(10px + env(safe-area-inset-bottom,0px));width:calc(100vw - 16px);z-index:31;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-lg);overflow:hidden}
  .dock.open{height:min(72vh,calc(100vh - 80px))}
  .dock-h,.dock-log,.dock-sugs{display:none}
  .dock.open .dock-h{display:flex} .dock.open .dock-log{display:flex} .dock.open .dock-sugs{display:flex}
  .dock-f{margin:6px 8px 8px;box-shadow:none}
  .dock-f .open-btn{display:inline-flex;align-items:center;gap:4px;font-size:12px;color:var(--muted);background:transparent;border:1px solid var(--line);border-radius:8px;padding:6px 9px;cursor:pointer;white-space:nowrap;margin-bottom:2px}
  .dock-busy{display:block;font-size:12.5px;color:var(--muted);padding:8px 14px 0}
  .dock.open .dock-busy{display:none}
}
@media print{.dock,.top,.work-head{display:none}#main{padding:0}}

/* ===== type ===== */
h1{font:600 24px/1.2 var(--display);letter-spacing:-.025em;margin:0;text-wrap:balance}
h2{font:600 16px/1.3 var(--display);letter-spacing:-.015em;margin:0;text-wrap:balance}
h3{font:600 14px/1.3 var(--body);margin:0}
.eyebrow{font:500 12px/1 var(--body);letter-spacing:.02em;color:var(--muted);margin-bottom:8px}
.lead{color:var(--muted);max-width:66ch;margin:6px 0 0;font-size:14px}
.head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;flex-wrap:wrap;margin-bottom:22px}
.stack{display:flex;flex-direction:column;gap:18px}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}

/* ===== surfaces ===== */
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow)}
.pad{padding:18px 20px}
.grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:18px}
.banner{display:flex;gap:12px;align-items:center;flex-wrap:wrap;padding:10px 14px;border-radius:var(--r);background:var(--accent-soft);border:1px solid var(--accent-line);color:var(--ink);font-size:13px}
.banner.warn{background:var(--warn-soft);border-color:transparent}

/* ===== controls ===== */
.btn{appearance:none;border:1px solid var(--line);background:var(--surface);padding:7px 12px;border-radius:var(--r);cursor:pointer;font-weight:500;white-space:nowrap;box-shadow:var(--shadow);transition:background .12s,border-color .12s}
.btn:hover{border-color:var(--line-strong);background:var(--sunk)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.btn.primary:hover{filter:brightness(1.06);background:var(--accent)}
.btn.ghost{border-color:transparent;background:transparent;color:var(--accent);padding-inline:6px;box-shadow:none}
.btn.ghost:hover{background:var(--accent-soft)}
.btn.danger{color:var(--bad)}
.btn.sm{padding:4px 9px;font-size:12.5px}
.btn:disabled{opacity:.5;cursor:default}
select,input[type=text],input[type=number],input[type=search],input[type=email],input[type=password],input[type=date],textarea{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:7px 9px;min-width:0;max-width:100%;box-shadow:var(--shadow)}
select:hover,input:hover{border-color:var(--line-strong)}
select:focus,input:focus,textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
select{appearance:none;-webkit-appearance:none;padding-right:26px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M3 4.5l3 3 3-3' fill='none' stroke='%238B93A1' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 8px center;background-size:12px}
textarea{width:100%;resize:vertical}
label.f{display:flex;flex-direction:column;gap:5px;font-size:12px;color:var(--muted);font-weight:500;min-width:0}
label.f select,label.f input{color:var(--ink);font-size:13.5px;font-weight:400}
.chk{display:flex;gap:7px;align-items:center;font-size:13px;color:var(--muted)}

/* ===== pipeline strip ===== */
.flow{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));border:1px solid var(--line);border-radius:var(--r-lg);background:var(--surface);overflow:hidden;box-shadow:var(--shadow)}
.flow > div{padding:16px 16px 14px;border-right:1px solid var(--line);position:relative}
.flow > div:last-child{border-right:0}
.flow .n{font:600 26px/1 var(--display);letter-spacing:-.03em;font-variant-numeric:tabular-nums;margin:10px 0 6px}
.flow .l{font-size:12.5px;color:var(--muted);line-height:1.35}
.flow .step{font:500 11px/1 var(--body);color:var(--faint)}
.flow .hot{background:var(--warn-soft)} .flow .hot .n{color:var(--warn)}
@media (max-width:1100px){.flow{grid-template-columns:repeat(3,minmax(0,1fr))}.flow > div:nth-child(3){border-right:0}.flow > div:nth-child(-n+3){border-bottom:1px solid var(--line)}}
@media (max-width:480px){.flow{grid-template-columns:repeat(2,minmax(0,1fr))}.flow > div{border-right:0;border-bottom:1px solid var(--line)}.flow > div:nth-child(odd){border-right:1px solid var(--line)}}

/* ===== tables ===== */
.tw{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--surface);box-shadow:var(--shadow)}
table{border-collapse:collapse;width:100%;font-size:13px}
th{font:500 11.5px/1.2 var(--body);letter-spacing:.01em;color:var(--muted);text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);background:var(--surface);white-space:nowrap}
th.num{text-align:right}
td{padding:9px 12px;border-bottom:1px solid var(--line);vertical-align:middle}
tbody tr:hover td{background:color-mix(in srgb,var(--sunk) 60%,transparent)}
tr:last-child td{border-bottom:0}
td.desc{max-width:360px;overflow-wrap:anywhere}
tr.sum td{font-weight:600;background:var(--sunk)}
tr.sec td{font:500 11.5px/1 var(--body);letter-spacing:.02em;color:var(--muted);padding-top:16px;background:var(--surface)}
tr.big td{font-weight:600;border-top:2px solid var(--ink)}
.line{font:500 11px/1 var(--mono);color:var(--faint);width:40px}
td select{max-width:190px;font-size:12.5px;padding:4px 24px 4px 7px;box-shadow:none}
table.pnl td:first-child,table.pnl th:first-child{position:sticky;left:0;background:inherit}
table.pnl tr td:first-child{background:var(--surface)} table.pnl tr.sum td:first-child{background:var(--sunk)}

/* ===== pills ===== */
.pill{display:inline-flex;align-items:center;gap:5px;font:500 11.5px/1 var(--body);padding:4px 8px;border-radius:999px;white-space:nowrap}
.pill::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor;opacity:.8}
.p-auto{background:var(--good-soft);color:var(--good)}
.p-review{background:var(--warn-soft);color:var(--warn)}
.p-done{background:var(--accent-soft);color:var(--accent)}
.p-dup{background:var(--sunk);color:var(--faint)}

/* ===== review cards ===== */
.group{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);display:flex;flex-direction:column;box-shadow:var(--shadow)}
.group .gh{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;padding:16px 18px 10px}
.group .gt{font-weight:600;overflow-wrap:anywhere}
.group .gm{font-size:12.5px;color:var(--muted);margin-top:2px}
.group .amt{font:600 17px/1.2 var(--display);letter-spacing:-.02em;font-variant-numeric:tabular-nums;text-align:right}
.why{margin:0 18px;padding:9px 12px;border-radius:var(--r);background:var(--sunk);font-size:12.5px;color:var(--muted)}
.why b{color:var(--ink);font-weight:500}
.why.claude{background:var(--accent-soft)}
.gf{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:10px;padding:14px 18px}
.ga{display:flex;gap:10px;flex-wrap:wrap;align-items:center;justify-content:space-between;padding:12px 18px 16px;border-top:1px solid var(--line)}
.ask{display:flex;gap:8px;padding:0 18px 12px}
.ask input{flex:1}
.rows{padding:0 18px 12px}
.rows table{font-size:12.5px}

/* ===== rent grid ===== */
.cell{display:inline-block;min-width:72px;text-align:right;font-size:12px;font-weight:500;font-variant-numeric:tabular-nums;padding:5px 8px;border-radius:6px}
.c-paid{background:var(--good-soft);color:var(--good)}
.c-over{background:var(--accent-soft);color:var(--accent)}
.c-short{background:var(--warn-soft);color:var(--warn)}
.c-missing{background:var(--bad-soft);color:var(--bad)}
.legend{display:flex;gap:14px;flex-wrap:wrap;font-size:12px;color:var(--muted)}
.legend span{display:inline-flex;gap:6px;align-items:center}
.legend i{width:10px;height:10px;border-radius:3px;display:inline-block}

/* ===== tiles ===== */
.tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px}
.tile{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:14px 16px;box-shadow:var(--shadow)}
.tile .v{font:600 22px/1.1 var(--display);letter-spacing:-.03em;font-variant-numeric:tabular-nums;margin-top:8px}
.tile .s{font-size:12px;color:var(--muted);margin-top:4px}

.tabs{display:flex;gap:2px;border-bottom:1px solid var(--line);margin-bottom:18px;overflow-x:auto}
.tabs button{all:unset;cursor:pointer;padding:8px 12px;color:var(--muted);font-weight:500;border-bottom:2px solid transparent;white-space:nowrap;margin-bottom:-1px}
.tabs button[aria-selected="true"]{color:var(--ink);border-bottom-color:var(--accent)}
.tabs button:focus-visible{outline:2px solid var(--accent)}

.drop{border:1.5px dashed var(--line-strong);border-radius:var(--r-lg);padding:28px 18px;text-align:center;background:var(--surface);cursor:pointer;transition:border-color .12s,background .12s}
.drop:hover{border-color:var(--accent)}
.drop.over{border-color:var(--accent);background:var(--accent-soft)}
.list{margin:0;padding-left:18px} .list li{margin:4px 0}
.empty{padding:34px 18px;text-align:center;color:var(--muted)}
.toast{position:fixed;left:50%;bottom:calc(20px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);background:var(--ink);color:var(--surface);padding:9px 14px;border-radius:var(--r);font-size:13px;z-index:40;max-width:calc(100% - 32px);box-shadow:var(--shadow-lg)}
.debt{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:12px 0;border-bottom:1px solid var(--line)}
.debt:last-child{border-bottom:0}
.spin{display:inline-block;width:12px;height:12px;border:2px solid currentColor;border-right-color:transparent;border-radius:50%;animation:sp .8s linear infinite;vertical-align:-2px}
@keyframes sp{to{transform:rotate(360deg)}}
@media (prefers-reduced-motion:reduce){.spin,.typing i{animation:none}}

/* ===== billing ===== */
.plans{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}
.plan{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:18px;display:flex;flex-direction:column;gap:10px;box-shadow:var(--shadow)}
.plan.pop{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.plan.current{border-color:var(--accent-line)}
.plan .tag{font:600 12px/1 var(--body);letter-spacing:.02em;color:var(--accent)}
.plan .price{font:600 28px/1 var(--display);letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.plan .price small{font:400 13px/1 var(--body);color:var(--muted);letter-spacing:0}
.plan ul{margin:0;padding-left:18px;color:var(--muted);font-size:13px}
.plan ul li{margin:4px 0}
.plan .btn{margin-top:auto}
.paywall{position:fixed;inset:0;z-index:50;background:rgba(11,18,32,.45);display:flex;align-items:center;justify-content:center;padding:16px;overflow:auto}
.paywall-card{background:var(--surface);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-lg);padding:24px;max-width:860px;width:100%;display:flex;flex-direction:column;gap:18px}
@media (max-width:640px){.paywall{align-items:flex-start}.paywall-card{padding:18px}}