:root{color-scheme:light;--bg:#f6f7f8;--panel:#fff;--panel-subtle:#eef2f1;--text:#17201d;--muted:#64706b;--line:#dce3e0;--accent:#0f766e;--accent-dark:#115e59;--danger:#b42318;--shadow:0 18px 45px rgb(23 32 29/8%);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}button,input,select,textarea{font:inherit}button{border:0}.app-shell{grid-template-columns:280px minmax(0,1fr)}.app-shell,.auth-shell{min-height:100vh;display:grid}.auth-shell{align-items:center;justify-items:center;padding:24px}.auth-card{background:var(--panel);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);display:grid;gap:18px;max-width:440px;padding:28px;width:100%}.auth-copy{color:var(--muted);line-height:1.5;margin:0}.text-button{background:transparent;color:var(--accent-dark);cursor:pointer;font-weight:700;padding:8px 0;text-align:left}.sidebar{background:#17201d;color:#f7faf9;padding:24px}.brand-mark{display:grid;gap:4px;margin-bottom:32px}.brand-mark strong{font-size:18px}.brand-mark span{color:#aab8b3;font-size:13px}.nav-list{display:grid;gap:6px;margin:0;padding:0;list-style:none}.nav-item{border-radius:8px;color:#d8e2df;padding:10px 12px}.nav-item.active{background:#24302c;color:#fff}.workspace{min-width:0;padding:28px}.topbar{align-items:center;display:flex;gap:16px;justify-content:space-between;margin-bottom:24px}.eyebrow{color:var(--accent-dark);font-size:12px;font-weight:700;letter-spacing:.08em;margin:0 0 6px;text-transform:uppercase}h1{font-size:30px;line-height:1.15;margin:0}.status-row{display:flex;flex-wrap:wrap;gap:8px}.badge{align-items:center;background:var(--panel-subtle);border:1px solid var(--line);border-radius:999px;color:var(--muted);display:inline-flex;font-size:13px;font-weight:600;gap:8px;padding:7px 10px}.badge:before{background:var(--accent);border-radius:999px;content:"";height:8px;width:8px}.grid{display:grid;gap:18px;grid-template-columns:minmax(320px,430px) minmax(0,1fr)}.panel{background:var(--panel);border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow);min-width:0}.panel-header{align-items:center;border-bottom:1px solid var(--line);display:flex;gap:12px;justify-content:space-between;padding:16px 18px}.panel-header h2{font-size:16px;margin:0}.panel-body{padding:18px}.form-grid{display:grid;gap:14px}.field{display:grid;gap:6px}.field label{color:var(--muted);font-size:13px;font-weight:700}.field-hint{color:var(--muted);font-size:12px;font-weight:500}.field input,.field select,.field textarea,.member-list select{border:1px solid var(--line);border-radius:8px;color:var(--text);min-width:0;padding:10px 12px;width:100%}.field input[aria-invalid=true],.field textarea[aria-invalid=true]{border-color:var(--danger)}.field textarea{min-height:94px;resize:vertical}.panel-description{color:var(--muted);display:block;font-size:13px;margin-top:4px}.form-actions{align-items:center;display:flex;gap:12px;margin-top:16px}.inline-error{color:var(--danger)}.inline-error,.inline-note{font-size:13px;font-weight:700}.inline-note{color:var(--muted)}.preview-tools{align-items:center;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;margin-bottom:14px}.preview-actions{display:flex;flex-wrap:wrap;gap:8px}.button{align-items:center;background:var(--accent);border-radius:8px;color:#fff;cursor:pointer;display:inline-flex;font-weight:700;gap:8px;justify-content:center;padding:10px 13px}.button:hover{background:var(--accent-dark)}.button.secondary{background:#e6edeb;color:var(--text)}.button.secondary:hover{background:#d8e2df}.preview-frame{background:#fff;border:1px solid var(--line);padding:20px}.code-box,.preview-frame{border-radius:8px;overflow:auto}.code-box{color:#101816;background-color:#d7e4df;font-family:SFMono-Regular,Consolas,monospace;font-size:12px;line-height:1.6;margin:14px 0 0;max-height:260px;padding:14px;white-space:pre-wrap;word-break:break-word}.history-list{border-top:1px solid var(--line);display:grid;gap:10px;margin-top:18px;padding-top:16px}.history-header{align-items:center;display:flex;gap:10px;justify-content:space-between}.history-header h3{font-size:14px;margin:0}.history-header span{color:var(--muted);font-size:13px;font-weight:700}.history-list ol{display:grid;gap:8px;list-style:none;margin:0;padding:0}.history-list li{align-items:center;background:var(--panel-subtle);border:1px solid var(--line);border-radius:8px;display:flex;gap:12px;justify-content:space-between;padding:9px 10px}.history-list li span{color:var(--muted);font-size:13px;font-weight:700}.history-list code{color:var(--text);font-family:SFMono-Regular,Consolas,monospace;font-size:12px}.guide-list{border-top:1px solid var(--line);display:grid;gap:10px;margin-top:18px;padding-top:16px}.guide-card{background:var(--panel-subtle);border:1px solid var(--line);border-radius:8px;display:grid;gap:4px;padding:11px 12px}.guide-card p,.guide-card strong{font-size:13px}.guide-card p{color:var(--muted);line-height:1.45;margin:0}.members-panel{margin-top:18px}.member-invite{align-items:end;display:grid;gap:14px;grid-template-columns:minmax(0,1fr) 180px auto}.member-list{border-top:1px solid var(--line);display:grid;gap:8px;list-style:none;margin:18px 0 0;padding:16px 0 0}.member-list li{align-items:center;background:var(--panel-subtle);border:1px solid var(--line);border-radius:8px;display:grid;gap:10px;grid-template-columns:minmax(180px,1fr) 150px auto auto;padding:10px}.member-list li>div{display:grid;gap:3px}.member-list li span{color:var(--muted);font-size:13px}.danger-button{color:var(--danger)}@media(max-width:960px){.app-shell{grid-template-columns:1fr}.sidebar{padding:18px}.nav-list{grid-template-columns:repeat(2,minmax(0,1fr))}.workspace{padding:18px}.topbar{align-items:flex-start;flex-direction:column}.grid,.member-invite,.member-list li{grid-template-columns:1fr}}.nav-item{background:transparent;cursor:pointer;text-align:left;width:100%}button:focus-visible,h1:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:4px}.button[aria-disabled=true]{opacity:.55;cursor:not-allowed}.design-preview{align-self:start}.optional-section{border-top:1px solid var(--line);margin-top:18px;padding-top:16px}.optional-section summary{cursor:pointer;font-weight:600}.optional-section[open] summary{margin-bottom:16px}.optional-section li{line-height:1.6;margin-bottom:8px}input[type=color]{height:44px;padding:4px;cursor:pointer}