:root{color-scheme:light;--bg: #f8f7f4;--ink: #171717;--muted: #716e68;--line: #d8d3cb;--soft: #efede8;--accent: #b7412d;--accent-dark: #8d2d20;--radius: 4px;--ease: cubic-bezier(.22, 1, .36, 1);font-family:Geist,Helvetica Neue,Arial,sans-serif;background:var(--bg);color:var(--ink)}*{box-sizing:border-box}body{margin:0;min-width:320px;background:var(--bg)}button,input,textarea{font:inherit}button{cursor:pointer}.appShell{min-height:100vh;padding:20px}.topbar{display:grid;grid-template-columns:1fr auto;gap:16px;align-items:center;border-bottom:1px solid var(--line);padding-bottom:18px}.brand{display:inline-flex;align-items:center;gap:12px;color:var(--ink);text-decoration:none;font-size:1.125rem;font-weight:500}.monogram{display:grid;place-items:center;width:32px;height:32px;border:1px solid var(--ink);font-family:"Instrument Serif",Georgia,serif;font-size:1rem}nav{display:none;gap:28px}nav a{color:var(--ink);text-decoration:none;transition:opacity .18s var(--ease)}nav a:hover{opacity:.62}.profileButton{grid-column:1 / -1;justify-self:start;display:grid;gap:2px;color:var(--ink);background:transparent;border:0;padding:0;text-align:left}.profileButton small{color:var(--muted)}.heroGrid{display:grid;gap:32px;padding:30px 0 26px}h1,h2{margin:0;font-weight:400;letter-spacing:0}h1{max-width:640px;font-family:"Instrument Serif",Georgia,serif;font-size:clamp(3.15rem,17vw,7rem);line-height:.88}h1 span{color:var(--accent)}h2{font-family:"Instrument Serif",Georgia,serif;font-size:clamp(2.5rem,8vw,3.7rem);line-height:.94}.composer{margin-top:28px;max-width:520px;overflow:hidden;border:1px solid var(--line);border-radius:8px;background:#fff;box-shadow:0 18px 42px #17171714}.chatHeader{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:12px 14px;border-bottom:1px solid var(--line);background:#fff}.chatHeader div{display:grid;gap:3px}.chatHeader 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12px;align-items:center;gap:12px;border-style:solid;background:#f8f7f4b8}.uploadIcon{display:grid;flex:0 0 34px;width:34px;height:34px;place-items:center;color:#fff;background:var(--ink);border-radius:50%;font-size:1.25rem;line-height:1}.uploadCopy{display:grid;min-width:0;gap:2px}.referenceSummary{display:grid;grid-template-columns:76px 1fr;gap:12px;align-items:start;padding:10px;border:1px solid var(--line);border-radius:8px;background:#faf9f6}.referenceSummary img{width:76px;height:76px;object-fit:cover;border:1px solid var(--line);background:#fff}.referenceSummary p{margin:4px 0 10px;color:var(--muted);font-size:.86rem}.referenceSummary .textButton{justify-self:start;margin-top:8px;font-size:.84rem}.compactTags{margin-top:8px}.promptBox{display:grid;gap:10px;padding:14px 16px 12px}.promptBox span,.authForm label{color:var(--muted);font-size:.875rem}textarea,input{width:100%;color:var(--ink);background:transparent;border:0;border-bottom:1px solid 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p{max-width:340px;margin:0;color:var(--ink);font-size:1rem;line-height:1.45}.designBrief p{max-width:520px;margin:0;color:var(--ink);font-family:"Instrument Serif",Georgia,serif;font-size:clamp(1.6rem,4vw,2.5rem);line-height:1.05}.gallery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.galleryEmpty{grid-column:1 / -1;min-height:160px;border:1px dashed var(--line);display:grid;place-items:center;align-content:center;gap:8px;color:var(--muted);background:#f8f7f46b}.galleryEmpty span{font-family:DM Mono,ui-monospace,monospace;font-size:.75rem;letter-spacing:.08em;text-transform:uppercase}.galleryEmpty p{margin:0}.tile{position:relative;overflow:hidden;min-height:196px;border:1px solid var(--line);background:var(--soft)}.tile.tall{min-height:260px}.tile span{position:absolute;left:10px;bottom:10px;padding:5px 7px;color:var(--ink);background:#f8f7f4d1;font-family:DM 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#eadbc0;--accent: #a93428;--accent-dark: #6f1f18;--brass: #b88a4a;--charcoal: #11100d;--charcoal-2: #1c1a16;--radius: 10px}body{background:radial-gradient(circle at 18% 12%,rgba(169,52,40,.08),transparent 24rem),radial-gradient(circle at 86% 0%,rgba(184,138,74,.12),transparent 22rem),linear-gradient(115deg,rgba(23,19,15,.045) 0 1px,transparent 1px 9px),var(--paper);color:var(--ink)}body:before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.22;background-image:linear-gradient(rgba(23,19,15,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(23,19,15,.04) 1px,transparent 1px);background-size:36px 36px,36px 36px;mix-blend-mode:multiply}.appShell{position:relative;max-width:1680px;margin:0 auto;padding:10px}.topbar{min-height:78px;padding:12px 16px;border:1px solid rgba(23,19,15,.42);border-radius:14px 14px 0 0;background:linear-gradient(90deg,#fff7e8e6,#efdfbed1),var(--paper-warm);box-shadow:inset 0 -1px #fff6,0 18px 48px #17130f1f}.brand{gap:12px;font-family:"Instrument 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rgba(23,19,15,.42);border-radius:0 0 14px 14px;overflow:hidden;background:#fff7e894;box-shadow:0 22px 60px #17130f29}.introColumn{position:sticky;top:0;align-self:start;display:grid;grid-template-rows:auto minmax(0,1fr);width:100%;min-height:0;height:calc(100vh - 118px);max-height:900px;padding:18px;background:radial-gradient(circle at 20% 8%,rgba(169,52,40,.22),transparent 12rem),linear-gradient(180deg,rgba(255,255,255,.04),transparent),var(--charcoal);border-right:1px solid rgba(184,164,133,.48)}h1{max-width:none;margin:0 0 16px;color:#f8eedc;font-size:clamp(2.55rem,6vw,4.8rem);line-height:.92;text-shadow:0 1px 0 rgba(0,0,0,.28)}h1 span{color:#d74735}.composer{display:grid;grid-template-rows:auto minmax(280px,1fr) auto;max-width:none;min-height:0;height:100%;margin:0;overflow:hidden;border:1px solid rgba(184,164,133,.42);border-radius:24px;background:linear-gradient(180deg,rgba(255,255,255,.05),transparent 40%),#151411;box-shadow:inset 0 1px #ffffff0f,0 20px 44px #0000003d}.chatHeader{padding:16px 18px;border-color:#b8a4853d;background:#141310eb}.chatHeader strong{color:#f7ead5}.chatHeader .label,.messageAuthor,.count{letter-spacing:.12em}.status{color:var(--ink);font-family:DM Mono,ui-monospace,monospace;font-size:.78rem;text-transform:uppercase}.chatHeader .status{color:#e9d8bc}.status:before{background:var(--accent);box-shadow:0 0 0 4px #a934281f}.status.ready:before{background:#d8aa62}.thread{max-height:none;padding:20px 18px 22px;background:radial-gradient(circle at 82% 8%,rgba(184,138,74,.1),transparent 10rem),#151411}.message{animation:messageIn .22s var(--ease)}.messageBubble{max-width:min(86%,430px);padding:12px 14px;border-radius:18px;color:#f2e7d4;background:#24211c;border:1px solid rgba(184,164,133,.18);box-shadow:0 8px 18px #0000002e}.message p{font-size:.98rem;line-height:1.48}.inbound .messageAuthor{color:#d7a763}.outbound .messageBubble{color:#fff4e4;background:linear-gradient(135deg,#4a1713,#2a1210);border-color:#d7473557}.chatForm{gap:12px;padding:14px 16px 16px;border-color:#b8a4853d;background:#141310fa}.referenceSummary{border-color:#b8a48547;border-radius:16px;background:#fff7e814}.referenceSummary img{border-color:#b8a48573;border-radius:10px}.referenceSummary p,.referenceSummary .label,.chatForm .count{color:#bdae96}.referenceSummary .textButton{color:#e36a55}.chatInputShell{grid-template-columns:44px 1fr 44px;align-items:center;gap:8px;padding:10px;border-color:#b8a4857a;border-radius:999px;background:#f6ead8;box-shadow:inset 0 2px 12px #17130f14}.chatInputShell textarea{min-height:42px;max-height:116px;padding:10px 4px 0;color:var(--ink);background:transparent;font-size:1rem}.chatInputShell textarea::placeholder{color:#17130f80}.attachmentButton,.sendButton{width:44px;height:44px;min-height:44px}.attachmentButton{color:#f8ead3;background:#26231e;border-color:#17130f52}.sendButton{color:#fff4e4;background:var(--accent);border-color:var(--accent);font-weight:700}.generateButton{min-height:44px;border-radius:12px;color:#fff4e4;background:linear-gradient(135deg,var(--accent),#711f18);border-color:#ffffff24;box-shadow:0 10px 24px #00000038}.missingList span{color:#d9c5a8;background:#fff7e814;border-color:#b8a48538;border-radius:999px}.visualColumn{position:relative;gap:18px;padding:18px;background:linear-gradient(90deg,rgba(255,255,255,.34),transparent 36%),var(--paper)}.visualColumn:before{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(circle at 6% 16%,rgba(23,19,15,.07),transparent 10rem),radial-gradient(circle at 94% 4%,rgba(169,52,40,.08),transparent 14rem)}.visualColumn>*{position:relative}.designPanel,.mountPanel,.requestsPanel{border:1px solid rgba(23,19,15,.32);border-radius:14px;background:linear-gradient(180deg,#fffbf0d6,#efddbbb8),var(--paper-warm);box-shadow:0 12px 34px #17130f14}.panelHeader{align-items:center;border-color:#17130f3d}.panelHeader h2,.panelHeader.compact h2{font-size:clamp(2rem,5vw,3.35rem);color:var(--ink)}.label{color:var(--accent);font-weight:700}.requestTag,.analysisTags span,.missingList span{border-color:#17130f3d;background:#fff7e89e}.designStage{position:relative;min-height:480px;border-color:#17130f38;background:linear-gradient(rgba(23,19,15,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(23,19,15,.035) 1px,transparent 1px),radial-gradient(circle at center,rgba(255,255,255,.72),transparent 62%),#efe0c2;background-size:32px 32px,32px 32px,auto,auto}.designStage:after{content:"";position:absolute;inset:14px;pointer-events:none;border:1px solid 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1px),#fffaf0;background-size:24px 24px}.chatActionGrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.chatActionGrid .primaryButton,.chatActionGrid .secondaryButton,.mountChatCard .primaryButton{min-height:44px;padding:0 12px;border-radius:12px;font-size:.88rem}.fileAction{position:relative;display:inline-flex;align-items:center;justify-content:center;cursor:pointer}.fileAction input,.chatUpload input{position:absolute;inset:0;opacity:0;cursor:pointer}.chatUpload{min-height:104px;border-radius:16px}.canvasShell{min-height:220px;padding:10px;border:1px solid rgba(23,19,15,.18);border-radius:16px;background:linear-gradient(90deg,rgba(23,19,15,.05) 1px,transparent 1px),linear-gradient(rgba(23,19,15,.05) 1px,transparent 1px),#fff7e8;background-size:24px 24px}.canvasShell canvas{max-height:390px;border-radius:12px}.compactControls{grid-template-columns:1fr;gap:10px;padding:0;border:0;background:transparent}.compactControls label,.appointmentNotes{color:var(--muted)}.appointmentNotes{display:grid;gap:8px}.appointmentNotes textarea{min-height:82px;padding:12px;border:1px solid rgba(23,19,15,.18);border-radius:14px;background:#fff7e8b8;resize:vertical}.chatDesignRail{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(154px,70%);width:100%;max-width:100%;gap:10px;overflow-x:auto;overflow-y:hidden;padding-bottom:4px;scroll-snap-type:x proximity}.chatDesignThumb{position:relative;display:grid;min-width:0;overflow:hidden;gap:8px;scroll-snap-align:start}.chatDesignThumb img{position:static;inset:auto;width:100%;height:auto;aspect-ratio:1;object-fit:cover;transform:none;border:1px solid rgba(23,19,15,.22);border-radius:14px;background:#fffaf0}.historyChatCard{overflow:hidden}.chatDesignThumb span{color:var(--muted);font-family:DM Mono,ui-monospace,monospace;font-size:.68rem;text-transform:uppercase}.chatDesignThumb div{display:flex;gap:6px}.chatDesignThumb button{min-height:34px;flex:1;border:1px solid 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rgba(184,164,133,.4);border-radius:28px;box-shadow:0 28px 90px #0000006b}.heroGrid{height:100%;min-height:0;grid-template-columns:1fr}.introColumn{height:100%;min-height:0}}