[hidden] { display: none !important; }
:root {
  --paper: #f4efe6; --paper-2: #ebe4d8; --card: #fffdf9; --ink: #2b2a27; --ink-2: #5d5a53; --ink-3: #8f8a80;
  --line: #ddd5c7; --accent: #b4632f; --accent-2: #e9c58f; --ok: #3f7d4e; --warn: #b7791f; --bad: #b3412f;
  --claude: #c2693b; --gptimg: #7b5cc4; --gpt: #2f8a6b;
  --r: 12px; --shadow: 0 1px 2px rgba(40,30,10,.06), 0 4px 16px rgba(40,30,10,.06);
  --serif: 'Fraunces', Georgia, serif; --sans: 'Inter', system-ui, sans-serif;
}
:root[data-theme="dark"] { color-scheme: dark; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) {
  --paper: #1c1b19; --paper-2: #24231f; --card: #2a2925; --ink: #ece7dd; --ink-2: #bdb6a8; --ink-3: #8a8478; --line: #3a3832;
  --accent: #e08a52; --accent-2: #7a5a2c; --shadow: 0 1px 2px rgba(0,0,0,.3);
} }
:root[data-theme="dark"] { --paper: #1c1b19; --paper-2: #24231f; --card: #2a2925; --ink: #ece7dd; --ink-2: #bdb6a8; --ink-3: #8a8478; --line: #3a3832; --accent: #e08a52; --accent-2: #7a5a2c; }
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body { background: var(--paper); color: var(--ink); font: 15px/1.5 var(--sans); -webkit-font-smoothing: antialiased; display: flex; flex-direction: column; }
a { color: var(--accent); }
button { font: inherit; color: inherit; cursor: pointer; }
input, textarea, select { font: inherit; color: var(--ink); background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; width: 100%; }
textarea { resize: vertical; }
h1, h2, h3 { font-family: var(--serif); font-weight: 650; letter-spacing: -.01em; margin: 0 0 .4em; }
.muted { color: var(--ink-3); }
.btn { border: 1px solid var(--line); background: var(--card); border-radius: 999px; padding: 7px 14px; font-weight: 500; display: inline-flex; gap: 6px; align-items: center; }
.btn:hover { border-color: var(--ink-3); }
.btn.primary { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.btn.small { padding: 4px 10px; font-size: 13px; }
.btn.ghost { background: transparent; border-color: transparent; }
.btn.danger { color: var(--bad); }

/* top bar */
.top { display: flex; align-items: center; gap: 14px; padding: 10px 16px; border-bottom: 1px solid var(--line); background: var(--paper); flex: 0 0 auto; }
.brand { display: flex; align-items: center; gap: 8px; color: var(--ink); text-decoration: none; font-family: var(--serif); font-size: 20px; font-weight: 650; }
.brand svg { width: 24px; height: 24px; color: var(--accent); }
.crumb { flex: 1; min-width: 0; display: flex; align-items: center; gap: 8px; font-weight: 500; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.crumb .sep { color: var(--ink-3); }
.crumb input { width: auto; max-width: 260px; padding: 3px 8px; border-color: transparent; background: transparent; font-weight: 600; }
.crumb input:hover, .crumb input:focus { border-color: var(--line); background: var(--card); }
.topnav { display: flex; align-items: center; gap: 14px; }
.topnav a { color: var(--ink-2); text-decoration: none; font-weight: 500; }
.topnav a.on { color: var(--ink); }
.me { display: flex; align-items: center; gap: 6px; color: var(--ink-2); font-size: 13px; }
.me img { width: 26px; height: 26px; border-radius: 50%; }
main { flex: 1; min-height: 0; display: flex; }

/* home */
.home { flex: 1; overflow: auto; padding: 32px 16px 60px; }
.home-in { max-width: 980px; margin: 0 auto; }
.hero h1 { font-size: clamp(28px, 4vw, 40px); }
.hero p { color: var(--ink-2); max-width: 640px; margin: 0 0 22px; }
.models { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 28px; }
.model-chip { display: inline-flex; gap: 6px; align-items: center; font-size: 13px; background: var(--card); border: 1px solid var(--line); border-radius: 999px; padding: 4px 10px; }
.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.newproj { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: 18px; box-shadow: var(--shadow); margin-bottom: 28px; }
.newproj .row { display: flex; gap: 10px; flex-wrap: wrap; }
.newproj input { flex: 1 1 240px; }
.kinds { display: flex; gap: 6px; flex-wrap: wrap; margin: 12px 0 0; }
.kind { border: 1px solid var(--line); border-radius: 999px; padding: 4px 12px; background: transparent; font-size: 13px; }
.kind.on { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 14px; }
.pcard { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: 16px; text-decoration: none; color: inherit; box-shadow: var(--shadow); display: block; }
.pcard:hover { border-color: var(--ink-3); }
.pcard h3 { font-size: 18px; margin: 0 0 4px; }
.pcard .meta { font-size: 13px; color: var(--ink-3); }
.stagebar { display: flex; gap: 3px; margin-top: 12px; }
.stagebar i { flex: 1; height: 4px; border-radius: 2px; background: var(--line); }
.stagebar i.on { background: var(--accent); }

/* workspace */
.ws { flex: 1; min-height: 0; display: grid; grid-template-columns: minmax(340px, 420px) 1fr; }
.chat { display: flex; flex-direction: column; min-height: 0; border-right: 1px solid var(--line); background: var(--paper); }
.chat-head { display: flex; justify-content: space-between; align-items: center; padding: 8px 14px; border-bottom: 1px solid var(--line); font-size: 13px; color: var(--ink-3); }
.log { flex: 1; overflow-y: auto; padding: 16px 14px 8px; display: flex; flex-direction: column; gap: 12px; }
.msg-user { align-self: flex-end; max-width: 88%; background: var(--ink); color: var(--paper); padding: 9px 13px; border-radius: 16px 16px 4px 16px; white-space: pre-wrap; }
.msg-user .thumbs { display: flex; gap: 6px; margin-bottom: 6px; flex-wrap: wrap; }
.msg-user .thumbs img { width: 64px; height: 64px; object-fit: cover; border-radius: 8px; }
.msg-ai { max-width: 100%; }
.msg-ai .md p { margin: 0 0 .6em; } .msg-ai .md p:last-child { margin-bottom: 0; }
.msg-ai .md ul, .msg-ai .md ol { margin: .2em 0 .6em; padding-left: 1.3em; }
.msg-ai .md h4 { margin: .6em 0 .3em; font-family: var(--serif); font-size: 16px; }
.msg-ai .md code { background: var(--paper-2); padding: 1px 4px; border-radius: 4px; font-size: 13px; }
.step { display: flex; align-items: flex-start; gap: 8px; font-size: 13px; color: var(--ink-2); padding: 2px 0; }
.step .b { flex: 0 0 auto; margin-top: 6px; width: 7px; height: 7px; border-radius: 50%; background: var(--ok); }
.step.err .b { background: var(--bad); }
.step.run .b { background: transparent; border: 2px solid var(--ink-3); border-top-color: transparent; width: 10px; height: 10px; margin-top: 4px; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.badge { flex: 0 0 auto; font-size: 11px; font-weight: 600; padding: 1px 7px; border-radius: 999px; color: #fff; }
.badge.claude { background: var(--claude); } .badge.gptimg { background: var(--gptimg); } .badge.gpt { background: var(--gpt); }
.card-img { border-radius: 10px; overflow: hidden; border: 1px solid var(--line); background: var(--card); cursor: zoom-in; margin: 4px 0; }
.card-img img { width: 100%; display: block; }
.card-img .cap { font-size: 12px; color: var(--ink-3); padding: 6px 10px; }
.card-x { border: 1px solid var(--line); background: var(--card); border-radius: 10px; padding: 10px 12px; font-size: 14px; margin: 4px 0; }
.card-x .hd { display: flex; align-items: center; gap: 8px; font-size: 12px; font-weight: 600; color: var(--ink-2); margin-bottom: 6px; text-transform: uppercase; letter-spacing: .04em; }
.card-x.learned { border-color: var(--accent-2); background: color-mix(in srgb, var(--accent-2) 18%, var(--card)); }
.card-x .md p { margin: 0 0 .5em; }
.err-line { color: var(--bad); font-size: 14px; }
.starters { display: flex; flex-direction: column; gap: 8px; margin-top: 4px; }
.starters button { text-align: left; border: 1px dashed var(--line); background: transparent; border-radius: 10px; padding: 9px 12px; color: var(--ink-2); }
.starters button:hover { border-color: var(--accent); color: var(--ink); }
.intro { color: var(--ink-2); font-size: 14px; }
.intro h3 { color: var(--ink); font-size: 18px; }
.composer { border-top: 1px solid var(--line); padding: 10px 12px calc(10px + env(safe-area-inset-bottom)); background: var(--paper); }
.attach-row { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 6px; }
.attach-row .chip { position: relative; }
.attach-row img { width: 52px; height: 52px; object-fit: cover; border-radius: 8px; border: 1px solid var(--line); }
.attach-row .chip button { position: absolute; top: -6px; right: -6px; width: 20px; height: 20px; border-radius: 50%; border: 0; background: var(--ink); color: var(--paper); font-size: 12px; line-height: 20px; padding: 0; }
.comp-box { display: flex; align-items: flex-end; gap: 6px; background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 6px; }
.comp-box textarea { border: 0; background: transparent; resize: none; max-height: 180px; padding: 6px; outline: none; }
.icon-btn { flex: 0 0 auto; width: 36px; height: 36px; border-radius: 10px; border: 0; background: transparent; display: grid; place-items: center; color: var(--ink-2); }
.icon-btn:hover { background: var(--paper-2); }
.icon-btn.send { background: var(--ink); color: var(--paper); }
.icon-btn svg { width: 20px; height: 20px; }

/* board */
.board { display: flex; flex-direction: column; min-height: 0; min-width: 0; background: var(--paper-2); }
.tabs { display: flex; gap: 2px; padding: 8px 10px 0; border-bottom: 1px solid var(--line); overflow-x: auto; flex: 0 0 auto; scrollbar-width: none; }
.tab { border: 0; background: transparent; padding: 8px 12px; border-radius: 8px 8px 0 0; color: var(--ink-2); font-weight: 500; white-space: nowrap; }
.tab.on { background: var(--paper); color: var(--ink); box-shadow: 0 -1px 0 var(--line) inset; }
.tab .n { font-size: 11px; background: var(--line); border-radius: 999px; padding: 0 6px; margin-left: 4px; }
.pane { flex: 1; min-height: 0; overflow: auto; position: relative; background: var(--paper); }
.pane-pad { padding: 18px; max-width: 900px; }
.empty { padding: 40px 24px; text-align: center; color: var(--ink-3); max-width: 460px; margin: 0 auto; }
.empty h3 { color: var(--ink-2); }

/* plan */
.plan-wrap { position: absolute; inset: 0; display: flex; flex-direction: column; }
.plan-tools { display: flex; gap: 6px; align-items: center; padding: 8px 10px; border-bottom: 1px solid var(--line); flex-wrap: wrap; background: var(--paper); }
.plan-tools .sp { flex: 1; }
.issues-btn.ok { color: var(--ok); } .issues-btn.bad { color: var(--warn); }
.plan-svg { flex: 1; min-height: 0; width: 100%; touch-action: none; user-select: none; background: var(--card); }
.plan-svg .grid line { stroke: var(--line); stroke-width: .01; }
.plan-svg .room-label { font: 600 .28px var(--sans); fill: var(--ink); }
.plan-svg .room-sub { font: .2px var(--sans); fill: var(--ink-3); }
.plan-svg .wall { stroke: var(--ink); stroke-width: .12; stroke-linecap: square; }
.plan-svg .win { stroke: #5a8fb8; stroke-width: .04; }
.plan-svg .swing { stroke: var(--ink-3); stroke-width: .015; fill: none; stroke-dasharray: .05 .04; }
.plan-svg .item rect, .plan-svg .item ellipse { stroke: rgba(0,0,0,.45); stroke-width: .015; cursor: grab; }
.plan-svg .item.sel rect, .plan-svg .item.sel ellipse { stroke: var(--accent); stroke-width: .04; }
.plan-svg .item-label { font: .16px var(--sans); fill: var(--ink); pointer-events: none; }
.plan-svg .room.focus rect { stroke: var(--accent); stroke-width: .06; }
.sel-panel { position: absolute; left: 10px; bottom: 10px; background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px; box-shadow: var(--shadow); display: flex; flex-wrap: wrap; gap: 6px; align-items: center; max-width: calc(100% - 20px); font-size: 13px; }
.sel-panel b { margin-right: 4px; }
.issues-pop { position: absolute; right: 10px; top: 54px; width: min(420px, calc(100% - 20px)); max-height: 60%; overflow: auto; background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; box-shadow: var(--shadow); font-size: 13px; z-index: 3; }
.issues-pop ul { margin: 6px 0 0; padding-left: 18px; }
.legend { position: absolute; right: 10px; bottom: 10px; font-size: 12px; color: var(--ink-3); background: var(--card); padding: 4px 8px; border-radius: 8px; border: 1px solid var(--line); }

/* 3d */
.v3d { position: absolute; inset: 0; }
.v3d canvas { display: block; width: 100%; height: 100%; touch-action: none; }
.v3d-tools { position: absolute; left: 10px; top: 10px; right: 10px; display: flex; gap: 6px; flex-wrap: wrap; align-items: center; pointer-events: none; }
.v3d-tools > * { pointer-events: auto; }
.v3d-tools select { width: auto; padding: 5px 8px; border-radius: 999px; font-size: 13px; }
.v3d-hint { position: absolute; left: 10px; bottom: 10px; font-size: 12px; color: var(--ink-2); background: color-mix(in srgb, var(--card) 85%, transparent); padding: 4px 8px; border-radius: 8px; }
.walkpad { position: absolute; right: 12px; bottom: 12px; display: grid; grid-template-columns: repeat(3, 40px); gap: 4px; }
.walkpad button { height: 40px; border-radius: 10px; border: 1px solid var(--line); background: color-mix(in srgb, var(--card) 90%, transparent); }

/* renders */
.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; padding: 14px; }
.gal { background: var(--card); border: 1px solid var(--line); border-radius: 10px; overflow: hidden; cursor: zoom-in; }
.gal img { width: 100%; aspect-ratio: 3/2; object-fit: cover; display: block; background: var(--paper-2); }
.gal .cap { padding: 8px 10px; font-size: 13px; }
.gal .cap small { display: block; color: var(--ink-3); }
.lightbox { position: fixed; inset: 0; background: rgba(15,12,8,.86); z-index: 50; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 16px; gap: 12px; }
.lightbox img { max-width: 100%; max-height: calc(100% - 140px); border-radius: 8px; }
.lightbox .lb-info { color: #eee; max-width: 900px; width: 100%; font-size: 13px; display: flex; gap: 10px; align-items: flex-start; flex-wrap: wrap; }
.lightbox .lb-info p { flex: 1 1 300px; margin: 0; max-height: 80px; overflow: auto; color: #ccc; }
.lightbox .btn { background: #fff; color: #222; }

/* use cases / brief / shopping */
.uc { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: 14px; margin-bottom: 12px; box-shadow: var(--shadow); }
.uc-hd { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.uc-hd h3 { font-size: 17px; margin: 0; flex: 1 1 auto; }
.pill { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .04em; padding: 2px 8px; border-radius: 999px; background: var(--paper-2); color: var(--ink-2); }
.pill.works { background: #dcefe0; color: var(--ok); } .pill.partial { background: #f6ead2; color: var(--warn); } .pill.fails { background: #f5dcd6; color: var(--bad); }
.pill.need { background: var(--ink); color: var(--paper); }
.uc .when { font-size: 13px; color: var(--ink-3); margin: 4px 0 8px; }
.uc .story { white-space: pre-wrap; margin: 0 0 8px; }
.chips { display: flex; flex-wrap: wrap; gap: 5px; margin: 6px 0; }
.chips span { font-size: 12px; background: var(--paper-2); border-radius: 6px; padding: 2px 8px; }
.uc .verdict { font-size: 14px; border-left: 3px solid var(--line); padding-left: 10px; margin: 8px 0; color: var(--ink-2); }
.uc .acts { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 8px; }
.stepper { display: flex; gap: 4px; flex-wrap: wrap; margin: 0 0 20px; }
.stepper button { border: 1px solid var(--line); background: var(--card); border-radius: 999px; padding: 4px 11px; font-size: 13px; color: var(--ink-2); }
.stepper button.done { background: color-mix(in srgb, var(--accent) 14%, var(--card)); border-color: color-mix(in srgb, var(--accent) 40%, var(--line)); }
.stepper button.on { background: var(--accent); color: #fff; border-color: var(--accent); }
.field { margin-bottom: 14px; }
.field label { display: block; font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: .05em; color: var(--ink-3); margin-bottom: 4px; }
.section-h { font-size: 20px; margin: 26px 0 10px; }
.list-row { display: flex; gap: 10px; align-items: flex-start; padding: 9px 0; border-bottom: 1px solid var(--line); }
.list-row .grow { flex: 1; }
.list-row small { color: var(--ink-3); display: block; }
.shop-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.shop-table th { text-align: left; font-size: 12px; color: var(--ink-3); text-transform: uppercase; letter-spacing: .04em; padding: 6px 8px; border-bottom: 1px solid var(--line); }
.shop-table td { padding: 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
.shop-table select { width: auto; padding: 3px 6px; font-size: 13px; }
.total { font-family: var(--serif); font-size: 22px; margin: 10px 0 18px; }

/* playbook */
.pb { flex: 1; overflow: auto; padding: 28px 16px 60px; }
.pb-in { max-width: 1100px; margin: 0 auto; }
.pb-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.pb-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: 12px 14px; margin-bottom: 10px; }
.pb-card h4 { margin: 0 0 4px; font-size: 15px; display: flex; gap: 6px; align-items: baseline; }
.pb-card p { margin: 0; color: var(--ink-2); font-size: 14px; white-space: pre-wrap; }
.pb-card .src { font-size: 11px; color: var(--ink-3); margin-top: 8px; display: flex; gap: 8px; align-items: center; }
.pb-card .src .sp { flex: 1; }
.pb-card.ai { border-color: var(--accent-2); }
.pb-card.pinned { box-shadow: inset 3px 0 0 var(--accent); }
.pb-add { background: var(--card); border: 1px dashed var(--line); border-radius: var(--r); padding: 12px; margin-bottom: 14px; display: grid; gap: 8px; }

/* mobile */
.mtabs { display: none; }
@media (max-width: 860px) {
  .ws { grid-template-columns: 1fr; grid-template-rows: 1fr auto; }
  .ws .chat, .ws .board { grid-row: 1; grid-column: 1; border-right: 0; }
  .ws[data-m="chat"] .board, .ws:not([data-m="chat"]) .chat { display: none; }
  .mtabs { display: flex; grid-row: 2; border-top: 1px solid var(--line); background: var(--paper); padding-bottom: env(safe-area-inset-bottom); }
  .mtabs button { flex: 1; border: 0; background: transparent; padding: 9px 0 8px; font-size: 12px; color: var(--ink-3); font-weight: 500; }
  .mtabs button.on { color: var(--accent); }
  .pb-cols { grid-template-columns: 1fr; }
  .topnav .me span { display: none; }
  .crumb input { max-width: 150px; }
  .composer { padding-bottom: 10px; }
}
.gal { position: relative; }
.gal.anchor { border-color: var(--accent); box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 35%, transparent); }
.gal .star { position: absolute; top: 8px; right: 8px; width: 32px; height: 32px; border-radius: 50%; border: 0; background: rgba(255,253,249,.9); color: var(--accent); font-size: 18px; line-height: 32px; padding: 0; }
.swatches { display: flex; flex-wrap: wrap; gap: 10px; margin: 4px 0 10px; }
.sw { display: flex; flex-direction: column; width: 84px; font-size: 12px; }
.sw i { height: 44px; border-radius: 8px; border: 1px solid var(--line); margin-bottom: 4px; }
.sw small { color: var(--ink-3); }
/* brief interview */
.qcard { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 20px 22px; box-shadow: var(--shadow); margin-bottom: 8px; }
.qcard.done { text-align: left; }
.qmeta { display: flex; justify-content: space-between; align-items: center; font-size: 12px; color: var(--ink-3); text-transform: uppercase; letter-spacing: .05em; font-weight: 600; margin-bottom: 10px; }
.qdots { display: flex; gap: 4px; } .qdots i { width: 18px; height: 4px; border-radius: 2px; background: var(--line); } .qdots i.on { background: var(--accent); } .qdots i.cur { background: var(--ink-2); }
.qq { font-size: 22px; margin: 0 0 6px; }
.qwhy { color: var(--ink-2); font-size: 14px; margin: 0 0 14px; }
.qcard textarea { font-size: 16px; }
.qacts { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; margin-top: 10px; }
.qacts .sp { flex: 1; }
.answers { display: grid; gap: 8px; }
.ans { position: relative; background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 10px 14px; cursor: pointer; }
.ans:hover { border-color: var(--ink-3); }
.ans label { display: block; font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .05em; color: var(--ink-3); margin-bottom: 2px; }
.ans p { margin: 0; white-space: pre-wrap; padding-right: 40px; }
.ans .ans-edit { position: absolute; top: 10px; right: 12px; font-size: 12px; color: var(--accent); opacity: 0; }
.ans:hover .ans-edit { opacity: 1; }
.ans.editing { cursor: default; }
@media (hover: none) { .ans .ans-edit { opacity: 1; } }
.qdraft { font-size: 13px; color: var(--accent); background: color-mix(in srgb, var(--accent-2) 18%, var(--card)); border-radius: 8px; padding: 6px 10px; margin-bottom: 8px; }
.lc-toggle { font: 500 13px var(--sans); color: var(--ink-2); display: inline-flex; gap: 6px; align-items: center; letter-spacing: 0; }
.lc-toggle input { width: auto; }
.uc.draft { border-style: dashed; border-color: color-mix(in srgb, var(--accent) 45%, var(--line)); cursor: pointer; }
.uc[data-open] { cursor: pointer; } .uc[data-open]:hover { border-color: var(--ink-3); }
.uc.editing { border-color: var(--accent); }
.pill.draft { background: color-mix(in srgb, var(--accent-2) 30%, var(--card)); color: var(--accent); }