:root{--ink:#191b1d;--muted:#62665e;--paper:#f5f5f0;--lime:#00ade1;--blue:#00769b;--line:#d6d8d2;--surface:#e9ece6;--card:#fff;--field:#fafbf8;--accent-soft:#e7f3f6;--button:#191b1d;--button-text:#fff;font-family:Arial,"Leelawadee UI",Tahoma,sans-serif}
[data-theme="dark"]{--paper:#15191c;--ink:#edf0ee;--blue:#45c5e9;--line:#363f43;--muted:#b5bdb8;--surface:#21292c;--card:#1b2226;--field:#151c20;--accent-soft:#17323d;--button:#eaf0ed;--button-text:#15191c;color-scheme:dark}
[data-theme="light"]{color-scheme:light}body{background:var(--paper);color:var(--ink);line-height:1.6;font-family:Arial,"Leelawadee UI",Tahoma,sans-serif}.topbar{max-width:1400px;min-height:100px;gap:24px}.brand{font-weight:800;line-height:1.1;font-size:22px;white-space:nowrap}.brand img{object-fit:contain}.brand small{display:block;font-size:7px;letter-spacing:1.4px;margin-top:8px}.brief-nav{margin-left:auto}.brief-nav a:hover,.eyebrow{color:var(--blue)}.theme-toggle{border:1px solid var(--line);border-radius:22px;background:transparent;color:var(--ink);font-size:11px;padding:7px 11px;white-space:nowrap}.hero{min-height:350px}h1{font-weight:800;letter-spacing:-1.6px}h1 span{background:none;color:var(--blue)}.intro{line-height:1.9}.art-sheet{background:#191b1d;box-shadow:14px 14px 0 var(--surface)}.art-sticker{color:#071a22;border:0;border-radius:3px;transform:rotate(-7deg)}.flow{border-color:var(--line)}.flow b{border-color:var(--line);color:var(--blue)}.flow i{color:var(--muted)}.card,.estimate-card{border:1px solid var(--line);border-radius:3px}.card{background:var(--card)}.estimate-card{background:var(--surface)}.section-no{background:var(--accent-soft);color:var(--blue)}input:not([type=radio]):not([type=checkbox]):not([type=file]),select,textarea,.quantity{background:var(--field);border-color:var(--line);color:var(--ink);border-radius:3px}.quantity button{color:var(--ink)}input:focus,select:focus,textarea:focus{outline:2px solid var(--blue)}button:focus-visible,a:focus-visible,label.upload-button:focus-within{outline:3px solid var(--blue)}.required{color:var(--blue)}.dropzone,.ref-card,.send-info{background:var(--accent-soft);border-color:var(--line);border-radius:3px}.dropzone.drag{background:var(--surface);border-color:var(--blue)}.upload-icon,.secondary{background:var(--accent-soft);color:var(--blue)}.upload-button,.chat-link{background:var(--card);color:var(--ink);border-color:var(--line);border-radius:3px}.ref-card img{background:var(--surface)}.channel{border-color:var(--line);border-radius:3px}.channel:has(input:checked){border-color:var(--blue);background:var(--accent-soft)}.channel input,.checkbox input{accent-color:var(--blue)}.channel-check,.action-status{color:var(--blue)}.primary{background:var(--button);color:var(--button-text);border-radius:3px}.primary:hover{background:var(--blue);color:var(--paper)}.secondary{border-radius:3px}.estimate-note,.deadline-note{color:var(--muted)}.divider{background:var(--line)}.human-note{border-color:var(--line)}.summary textarea{background:var(--field)}footer{border-color:var(--line)}.remove-ref,.error{color:#c75e49}
@media(max-width:900px){.topbar{flex-wrap:wrap;height:auto;padding-top:18px;padding-bottom:18px;gap:16px}.brief-nav{order:3;flex-basis:100%;margin-left:0;gap:24px}.theme-toggle{margin-left:auto}.hero-art{margin-right:10px}}@media(max-width:700px){.topbar{padding-left:18px;padding-right:18px}.brief-nav{gap:22px}.brand{font-size:19px}.brand img{width:32px;height:36px}.brand small{font-size:6px}.hero h1{font-size:32px}.hero-art{display:none}.hero{padding:32px 0}.card{padding:22px 18px}.theme-toggle span{display:none}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}