:root{--bg:#f6f0e4;--panel:#fffbf5e0;--panel-strong:#fffaf2;--panel-border:#79462d29;--text:#352821;--muted:#79655a;--soft:#b9a99f;--accent:#a84e2f;--accent-strong:#8d361b;--accent-soft:#a84e2f1f;--warning:#d27632;--danger:#a02d2d;--ok:#2b7a57;--shadow:0 24px 80px #5d362124, 0 10px 24px #5d362114;--sans:"PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei", sans-serif;--serif:"Songti SC", "STSong", "Noto Serif SC", "Source Han Serif SC", serif;color:var(--text);font-family:var(--sans);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:radial-gradient(circle at 0 0,#e1b69261,#0000 32%),radial-gradient(circle at 100% 100%,#b8825d2e,#0000 28%),linear-gradient(#fbf6ee 0%,#f5ede0 48%,#f0e6d5 100%);line-height:1.5}*{box-sizing:border-box}html,body,#root{min-height:100%}body{margin:0}button,input,textarea{font:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}h1,h2,h3,h4,p{margin:0}#root{min-height:100vh}.app-shell{width:100%;min-height:100vh;padding-top:68px}.topbar{z-index:100;border-bottom:1px solid var(--panel-border);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);box-shadow:var(--shadow);background:#fff8efe6;justify-content:space-between;align-items:center;gap:18px;padding:10px 14px;display:flex;position:fixed;inset:0 0 auto}.brand-cluster{align-items:center;gap:14px;min-width:0;display:flex}.brand-link{font-family:var(--serif);letter-spacing:.04em;font-size:24px;font-weight:700}.topbar-nav{flex-shrink:0;align-items:center;gap:8px;display:flex}.topbar-actions{flex-shrink:0;align-items:center;gap:10px;display:flex}.topbar-context{min-width:0;max-width:min(34vw,280px);color:var(--muted);background:#4d372812;border-radius:999px;align-items:center;gap:8px;padding:7px 12px;font-size:11px;font-weight:600;display:inline-flex}.topbar-project{text-overflow:ellipsis;white-space:nowrap;min-width:0;overflow:hidden}.topbar-context-step{color:var(--accent-strong);border-left:1px solid #79462d1f;flex-shrink:0;padding-left:8px}.nav-tab,.nav-action,.avatar-chip,.pill{color:var(--muted);background:#4d372812;border:0;border-radius:999px;justify-content:center;align-items:center;gap:6px;padding:8px 14px;font-size:12px;font-weight:600;display:inline-flex}.nav-tab.active{color:var(--accent-strong);background:#a84e2f24}.nav-action.configured{color:var(--ok);background:#2b7a5724}.pill-warn{color:var(--warning);background:#d2763224}.avatar-chip{background:linear-gradient(180deg, var(--accent), var(--accent-strong));color:#fff8f4;width:38px;height:38px;padding:0;font-weight:700}.pill-soft{background:#4d37280d}.eyebrow{text-transform:uppercase;letter-spacing:.18em;color:var(--muted);font-size:11px}.page-shell{flex-direction:column;gap:12px;padding:10px 12px 14px;display:flex}.panel{border:1px solid var(--panel-border);background:var(--panel);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);box-shadow:var(--shadow);border-radius:20px}.panel-heading{justify-content:space-between;align-items:flex-start;gap:16px;display:flex}.panel h1,.panel h2,.panel h3{font-family:var(--serif);font-weight:700;line-height:1.12}.missing-project{padding:16px}.field input,.inline-input,.composer textarea{width:100%;color:var(--text);background:#ffffffd1;border:1px solid #79462d2e;border-radius:14px;outline:none;padding:12px 14px;transition:border-color .2s,box-shadow .2s}.project-creator input:focus,.field input:focus,.inline-input:focus,.composer textarea:focus{border-color:#a84e2f7a;box-shadow:0 0 0 4px #a84e2f14}.primary-button,.ghost-button,.danger-button,.quick-action,.history-item,.back-link{border:0;border-radius:14px;padding:10px 14px;transition:transform .15s,box-shadow .15s,background .15s}.primary-button{background:linear-gradient(180deg, var(--accent), var(--accent-strong));color:#fffaf6;box-shadow:0 12px 24px #8d361b38}.ghost-button,.quick-action,.back-link{color:var(--accent-strong);background:#a84e2f17}.danger-button{color:var(--danger);background:#a02d2d1a}.primary-button:hover,.ghost-button:hover,.danger-button:hover,.quick-action:hover,.history-item:hover,.back-link:hover{transform:translateY(-1px)}.primary-button:disabled,.ghost-button:disabled{cursor:not-allowed;opacity:.48;box-shadow:none;transform:none}.project-grid{grid-template-columns:repeat(4,minmax(0,1fr));justify-content:stretch;align-items:stretch;gap:16px;display:grid}.project-board{flex-direction:column;flex:1;justify-content:center;padding:8px 6px 18px;display:flex}.project-board-empty{justify-content:center;align-items:center}.project-grid-empty{grid-template-columns:minmax(280px,360px);justify-content:center}.project-card{cursor:pointer;background:linear-gradient(#ffffffe6,#fff6ecf2),radial-gradient(circle at 0 0,#a84e2f29,#0000 56%),radial-gradient(circle at 100% 100%,#e7c3a033,#0000 38%);border:1px solid #79462d26;border-radius:24px;grid-template-rows:minmax(132px,auto) auto 1fr auto;gap:12px;height:344px;min-height:344px;padding:16px;transition:transform .16s,box-shadow .16s,border-color .16s;display:grid;box-shadow:0 24px 50px #5d36211a,inset 0 1px #ffffffc7}.project-card:hover,.project-card:focus-visible,.create-project-card:hover,.create-project-card:focus-visible{border-color:#a84e2f47;transform:translateY(-4px);box-shadow:0 24px 46px #5d362129}.project-card:focus-visible,.create-project-card:focus-visible{outline:none}.project-card-top{justify-content:space-between;align-items:flex-start;gap:10px;display:flex}.project-card-cover{background:linear-gradient(#fff6,#fffaf4a3),radial-gradient(circle at 0 0,#a84e2f24,#0000 58%);border:1px solid #79462d14;border-radius:18px;flex-direction:column;gap:12px;min-height:132px;padding:14px;display:flex}.project-card-kicker{min-height:26px;color:var(--muted);background:#79462d14;border-radius:999px;align-items:center;padding:0 8px;font-size:11px;font-weight:600;display:inline-flex}.project-card-main{flex-direction:column;justify-content:flex-end;gap:6px;min-height:0;display:flex}.project-card h3{letter-spacing:-.02em;max-width:9ch;font-size:clamp(24px,1.8vw,30px);line-height:1.08}.project-card-subtitle{color:var(--muted);max-width:16ch;font-size:12px}.project-card-badge{min-height:32px;color:var(--accent-strong);background:#a84e2f1a;border-radius:999px;justify-content:center;align-items:center;padding:6px 10px;font-size:12px;font-weight:600;display:inline-flex}.project-meta{grid-template-columns:repeat(3,minmax(0,1fr));align-self:start;gap:8px;display:grid}.project-meta-item{background:#ffffff8a;border:1px solid #79462d14;border-radius:14px;flex-direction:column;gap:4px;min-height:64px;padding:9px 10px;display:flex}.project-meta-item strong{color:var(--text);font-size:13px;line-height:1.3}.project-meta-label{color:var(--muted);font-size:11px}.project-actions{align-self:end;align-items:center;gap:10px;display:flex;position:relative}.home-page{flex-direction:column;min-height:calc(100vh - 94px);display:flex}.create-project-card{height:344px;min-height:344px;color:var(--accent-strong);background:linear-gradient(#fffcf8d1,#fff7eee6),radial-gradient(circle at top,#a84e2f1f,#0000 62%);border:1.5px dashed #a84e2f47;border-radius:24px;flex-direction:column;justify-content:center;align-items:center;gap:10px;padding:20px;transition:transform .16s,box-shadow .16s,border-color .16s;display:flex}.create-project-card-empty{width:min(360px,100vw - 48px);height:auto;min-height:380px}.create-project-plus{font-size:58px;font-weight:300;line-height:1}.create-project-label{font-family:var(--serif);font-size:24px;font-weight:700}.create-project-subtext{color:var(--muted);text-align:center;font-size:13px}.full-span{grid-column:1/-1}.project-open-button{flex:1;min-height:42px;font-size:14px}.project-secondary-button{width:100%;min-height:42px}.project-menu{flex-shrink:0;position:relative}.project-menu-trigger{width:42px;min-width:42px;min-height:42px;padding:0;font-size:22px;line-height:1}.project-menu-panel{background:#fffaf5fa;border:1px solid #79462d1f;border-radius:14px;flex-direction:column;gap:4px;min-width:128px;padding:6px;display:flex;position:absolute;bottom:calc(100% + 8px);right:0;box-shadow:0 16px 30px #5d36211f}.project-menu-item{color:var(--text);text-align:left;background:0 0;border:0;border-radius:10px;padding:9px 10px;font-size:12px}.project-menu-item:hover{background:#79462d14}.project-menu-item.danger{color:var(--danger)}.workspace-page{flex-direction:column;min-height:calc(100vh - 90px);font-size:12px;display:flex}.workspace-layout{grid-template-columns:repeat(2,minmax(0,1fr));align-items:stretch;gap:8px;height:calc(100vh - 90px);min-height:calc(100vh - 90px);max-height:calc(100vh - 90px);display:grid}.chat-column{flex-direction:column;gap:8px;height:100%;min-height:0;padding:10px;display:flex;overflow:hidden}.quick-action{text-align:left;white-space:nowrap;border-radius:12px;padding:6px 9px;font-size:11px}.callout{border-radius:12px;padding:10px 12px;font-size:12px}.callout-warn{color:#7c4b25;background:#d276321f}.callout-error{color:var(--danger);background:#a02d2d1f}.chat-thread{flex-direction:column;flex:1;gap:8px;min-height:0;padding-right:6px;display:flex;overflow:auto}.chat-placeholder{min-height:100%;color:var(--muted);text-align:center;background:#ffffff75;border:1px dashed #79462d24;border-radius:14px;justify-content:center;align-items:center;padding:14px;font-size:12px;display:flex}.chat-footer{background:linear-gradient(#f6f0e400,#f6f0e4f5 28%);flex-direction:column;gap:6px;margin-top:auto;padding-top:6px;display:flex;position:sticky;bottom:0}.message-bubble{background:#ffffffbd;border:1px solid #79462d1f;border-radius:14px;padding:10px 12px}.message-bubble.user{color:#fff9f5;background:linear-gradient(#b45633,#8d361b);align-self:flex-end;width:min(90%,420px)}.message-bubble.assistant{align-self:flex-start;width:min(94%,520px)}.message-bubble.error{background:#fff1f1e6;border-color:#a02d2d3d}.message-meta{opacity:.86;justify-content:space-between;gap:10px;margin-bottom:5px;font-size:10px;display:flex}.composer{background:#fffcf8eb;border:1px solid #79462d14;border-radius:12px;flex-direction:column;gap:6px;padding:8px;display:flex;position:relative;box-shadow:0 10px 24px #5d36210d}.composer textarea{resize:vertical;min-height:74px;font-size:13px}.composer-popover{background:#fffaf5fa;border:1px solid #79462d1f;border-radius:12px;flex-direction:column;gap:8px;padding:10px;display:flex;box-shadow:0 12px 28px #5d362114}.composer-popover-head{color:var(--muted);justify-content:space-between;align-items:center;gap:12px;font-size:11px;display:flex}.composer-popover-head strong{color:var(--text);font-size:12px}.composer-popover-list{flex-direction:column;gap:6px;max-height:180px;display:flex;overflow:auto}.choice-strip{background:#a84e2f0f;border:1px solid #79462d1a;border-radius:12px;flex-direction:column;gap:7px;padding:9px 10px;display:flex}.choice-strip-head{color:var(--muted);justify-content:space-between;align-items:center;gap:12px;font-size:11px;display:flex}.choice-strip-head strong{color:var(--text);font-size:12px}.choice-chip-list{flex-wrap:wrap;gap:6px;display:flex}.choice-group{flex-direction:column;gap:6px;display:flex}.choice-group-title{color:var(--text);font-size:11px;font-weight:600}.choice-chip{max-width:100%;color:var(--accent-strong);background:#fffbf7fa;border:0;border-radius:999px;align-items:center;gap:8px;padding:7px 10px;transition:transform .15s,background .15s,box-shadow .15s;display:inline-flex}.choice-chip:hover:not(:disabled){background:#fffdf9;transform:translateY(-1px);box-shadow:0 10px 18px #5d362114}.choice-chip-selected{background:#a84e2f29;box-shadow:inset 0 0 0 1px #a84e2f24}.choice-chip:disabled{cursor:not-allowed;opacity:.7}.choice-chip-key{background:#a84e2f1f;border-radius:999px;flex-shrink:0;justify-content:center;align-items:center;width:22px;height:22px;font-size:11px;font-weight:700;display:inline-flex}.choice-chip-label{text-overflow:ellipsis;white-space:nowrap;max-width:min(100%,260px);font-size:11px;overflow:hidden}.choice-summary{justify-content:space-between;align-items:center;gap:10px;padding-top:2px;display:flex}.choice-summary-text{min-width:0;color:var(--muted);font-size:11px}.choice-summary-actions{flex-shrink:0;align-items:center;gap:8px;display:flex}.quick-action-item{color:var(--accent-strong);text-align:left;background:#a84e2f14;border:0;border-radius:10px;padding:8px 10px;font-size:12px;transition:background .15s,transform .15s}.quick-action-item:hover{background:#a84e2f1f;transform:translateY(-1px)}.quick-action-empty{color:var(--muted);padding:8px 2px;font-size:11px}.composer-actions,.artifact-actions,.modal-actions{justify-content:flex-end;align-items:center;gap:8px;display:flex}.composer-hint{color:var(--muted);margin-right:auto;font-size:10px}.active-action{background:#a84e2f29}.result-column{flex-direction:column;gap:8px;min-height:0;padding-right:2px;display:flex;overflow:auto}.episode-panel{flex-direction:column;gap:10px;padding:10px;display:flex}.episode-panel-head{justify-content:space-between;align-items:center;gap:12px;display:flex}.episode-target-control{align-items:center;gap:8px;display:inline-flex}.episode-target-label,.episode-target-unit,.episode-panel-summary span,.episode-note{color:var(--muted);font-size:11px}.episode-target-input{width:62px;color:var(--text);text-align:center;background:#ffffffdb;border:1px solid #79462d24;border-radius:10px;padding:7px 10px}.episode-target-input:focus{border-color:#a84e2f6b;outline:none;box-shadow:0 0 0 3px #a84e2f14}.episode-panel-summary{flex-direction:column;align-items:flex-end;gap:2px;display:flex}.episode-panel-summary strong{font-size:16px}.episode-chip-grid{grid-template-columns:repeat(auto-fill,minmax(96px,1fr));gap:8px;display:grid}.episode-chip{color:var(--text);text-align:left;background:#ffffffc2;border:1px solid #79462d1f;border-radius:12px;flex-direction:column;align-items:flex-start;gap:2px;padding:9px 10px;display:flex}.episode-chip strong{font-size:12px}.episode-chip span{color:var(--muted);font-size:10px}.episode-current{background:#a84e2f1f;border-color:#a84e2f4d}.episode-done{background:#2b7a5714;border-color:#2b7a5729}.episode-stale{background:#d2763214;border-color:#d276322e}.episode-pending{background:#ffffffad}.progress-panel,.artifact-card,.preview-card,.panel-nested{padding:10px}.artifact-stack{flex-direction:column;gap:8px;display:flex}.artifact-summary{text-align:left;width:100%;color:inherit;background:0 0;border:0;justify-content:space-between;align-items:flex-start;gap:12px;padding:0;display:flex}.artifact-summary-main{flex-direction:column;gap:4px;min-width:0;display:flex}.artifact-summary-main h3{font-size:16px}.artifact-summary-side{flex-shrink:0;align-items:center;gap:8px;display:flex}.artifact-preview{color:var(--muted);font-size:11px;line-height:1.5}.collapse-indicator{width:24px;height:24px;color:var(--muted);background:#79462d14;border-radius:50%;justify-content:center;align-items:center;font-size:12px;transition:transform .16s;display:inline-flex}.collapse-indicator.expanded{transform:rotate(180deg)}.step-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;display:grid}.step-chip{background:#ffffffb8;border:1px solid #79462d1f;border-radius:12px;align-items:center;gap:8px;padding:8px;display:flex}.step-chip.current{background:#a84e2f1f;border-color:#a84e2f47}.step-chip strong{margin-bottom:2px;font-size:11px;display:block}.step-chip span:last-child{color:var(--muted);font-size:10px}.step-index{width:22px;height:22px;color:var(--accent-strong);background:#a84e2f1f;border-radius:50%;justify-content:center;align-items:center;font-size:11px;font-weight:700;display:inline-flex}.artifact-empty{color:var(--muted);flex-direction:column;gap:10px;font-size:12px;display:flex}.panel-nested{flex-direction:column;gap:10px;display:flex}.nested-grid{grid-template-columns:1fr;gap:10px;display:grid}.history-panel{border-top:1px solid #79462d1f;margin-top:10px;padding-top:10px}.history-panel summary{cursor:pointer;color:var(--muted)}.history-list{flex-direction:column;gap:8px;margin-top:10px;display:flex}.history-item{color:var(--text);background:#79462d0f;flex-direction:column;align-items:flex-start;gap:4px;display:flex}.history-item small{color:var(--muted);text-align:left;font-size:11px}.markdown-body{color:inherit;overflow-wrap:anywhere;flex-direction:column;gap:8px;font-size:12px;display:flex}.markdown-body>*{margin:0}.markdown-body h1,.markdown-body h2,.markdown-body h3,.markdown-body h4{font-family:var(--serif);line-height:1.2}.markdown-body h1{font-size:19px}.markdown-body h2{font-size:17px}.markdown-body h3{font-size:15px}.markdown-body p,.markdown-body li{white-space:pre-wrap}.markdown-body ul,.markdown-body ol{margin:0;padding-left:1.2rem}.markdown-body table{border-collapse:collapse;background:#79462d0a;border-radius:14px;width:100%;display:block;overflow-x:auto}.markdown-body thead{background:#a84e2f14}.markdown-body th,.markdown-body td{text-align:left;vertical-align:top;border:1px solid #79462d1a;min-width:120px;padding:8px 10px}.markdown-body blockquote{color:var(--muted);background:#a84e2f0f;border-left:4px solid #a84e2f47;margin:0;padding:10px 12px}.markdown-body code{background:#79462d14;border-radius:8px;padding:2px 6px;font-size:.95em}.preview-body{max-height:52vh;padding-right:6px;overflow:auto}.preview-card-head{align-items:flex-start;gap:8px;display:flex}.preview-summary{flex:1;margin-bottom:2px}.preview-export-button{flex-shrink:0;margin:8px 8px 0 0}.modal-backdrop{z-index:1000;background:#2b1b1561;justify-content:center;align-items:center;padding:24px;display:flex;position:fixed;inset:0}.modal-card{border:1px solid var(--panel-border);background:var(--panel-strong);width:min(620px,100%);box-shadow:var(--shadow);border-radius:22px;padding:20px}.modal-header{justify-content:space-between;gap:16px;margin-bottom:20px;display:flex}.settings-grid{gap:14px;display:grid}.field{flex-direction:column;gap:8px;display:flex}.field span{color:var(--muted);font-size:14px}.modal-note{color:var(--muted);background:#79462d0f;border-radius:18px;margin-top:16px;padding:14px 16px;font-size:14px}.modal-actions{margin-top:20px}.missing-project{flex-direction:column;gap:14px;display:flex}@media (width<=1480px){.project-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}@media (width<=1100px){.project-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.workspace-layout{grid-template-columns:1fr;height:auto;max-height:none}.step-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.episode-panel-head{flex-direction:column;align-items:stretch}.episode-panel-summary{align-items:flex-start}}@media (width<=768px){.app-shell{padding-top:104px}.topbar,.chat-column,.progress-panel,.artifact-card,.preview-card,.panel-nested,.project-card,.empty-projects{border-radius:18px;padding:14px}.topbar,.modal-header,.brand-cluster,.topbar-actions{flex-direction:column;align-items:stretch}.topbar-context{max-width:100%}.step-grid{grid-template-columns:1fr}.project-grid{grid-template-columns:1fr;justify-content:stretch}.chat-column{height:auto;max-height:none}.chat-footer{background:0 0;padding-top:0;position:static}.project-card,.create-project-card{height:auto;min-height:360px}.project-meta{grid-template-columns:1fr}.message-bubble.user,.message-bubble.assistant{width:100%}}