*{box-sizing:border-box}body{margin:0;font:15px/1.7 system-ui,"Microsoft YaHei",sans-serif}header{max-width:1200px;margin:auto;padding:22px 32px;display:flex;align-items:center;justify-content:space-between;gap:20px}a{color:var(--green);text-decoration:none}main{max-width:1200px;margin:34px auto;padding:0 32px 60px}.eyebrow{letter-spacing:.22em;color:var(--muted);font-size:11px}h1{font-family:serif;font-size:42px;font-weight:500;margin:12px 0}h2{font-size:20px;font-weight:550}p{white-space:pre-wrap;overflow-wrap:anywhere}.intro,.hint,.card>p{color:var(--muted)}.hint{font-size:12px}#status{background:var(--tint);padding:14px 18px;border-radius:12px;min-height:50px}#status.error{color:#942f39;background:#fcebed}.layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.2fr);gap:30px;align-items:start}.card{padding:26px;background:var(--surface);border:1px solid var(--line);border-radius:20px;margin-bottom:18px}#login{max-width:460px}.toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px}label{display:block;margin-bottom:16px}header label{margin:0}input,textarea,select{font:inherit;border:1px solid var(--line);background:var(--paper);color:var(--ink);border-radius:9px;padding:10px;max-width:100%}input:not([type=file]),textarea{display:block;width:100%;margin-top:7px}textarea{resize:vertical}button{font:inherit;color:white;background:var(--green);border:1px solid var(--green);border-radius:24px;padding:9px 20px;cursor:pointer}button.quiet{background:transparent;color:var(--green);border-color:var(--line)}button:disabled{opacity:.5;cursor:wait}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid var(--green);outline-offset:3px}fieldset{border:0;padding:0;margin:0;min-width:0}.upload{padding:14px;background:var(--wash);border:1px dashed var(--green);border-radius:12px}.upload input{display:block;font-size:12px;width:100%;margin-top:8px}.photo-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-bottom:18px}.photo-grid figure{margin:0;min-width:0}.photo-grid img{display:block;width:100%;aspect-ratio:1;object-fit:cover;border-radius:10px}.photo-grid figcaption{font-size:12px;overflow-wrap:anywhere}.photo-grid button{font-size:12px;padding:3px 10px}.record-photo-error{font-size:12px;color:var(--muted)}.record-date{font-size:12px;color:var(--muted)}[hidden]{display:none!important}@media(max-width:760px){main{margin-top:20px;padding:0 18px 35px}header{padding:16px 18px;font-size:12px}header select{padding:6px}h1{font-size:32px}.layout{grid-template-columns:1fr}.card{padding:20px}.photo-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
.toolbar button[aria-pressed="true"]{background:var(--green);color:white}.photo-grid button{min-height:36px;margin:3px 3px 3px 0}#status{position:static}@media(max-width:760px){.photo-grid button{min-height:44px}}

/* Workspace presentation: sections retain their forms and state when switching. */
.page-intro{text-align:center;margin:12px 0 24px}.page-intro .intro{margin-bottom:0}
#login{margin:24px auto;max-width:480px}#login button{width:100%}
.workspace-open .page-intro{text-align:left;margin:0 0 18px}.workspace-open h1{font-size:32px;margin:6px 0}.workspace-open main{margin-top:12px}
#status{margin:16px 0 22px;min-height:0;font-size:14px;overflow-wrap:anywhere}
.workspace-nav{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;padding:8px;background:var(--surface);border:1px solid var(--line);border-radius:18px;margin:16px 0 8px}
.workspace-nav button{background:transparent;color:var(--green);border-color:transparent;border-radius:12px;padding:12px 8px;font-weight:600;min-height:48px}
.workspace-nav button[aria-pressed="true"]{background:var(--green);color:white}
.workspace-hint{font-size:12px;color:var(--muted);margin:8px 0 20px}
#workspace[data-section="records"] [data-workspace-panel]:not([data-workspace-panel="records"]),
#workspace[data-section="photos"] [data-workspace-panel]:not([data-workspace-panel="photos"]),
#workspace[data-section="works"] [data-workspace-panel]:not([data-workspace-panel="works"]),
#workspace[data-section="sharing"] [data-workspace-panel]:not([data-workspace-panel="sharing"]){display:none}
.toolbar{flex-wrap:wrap;gap:12px}.toolbar h2{margin:8px 0;flex:1 1 180px}.toolbar button{flex-shrink:0}
.collection{padding:24px;border:1px solid var(--line);border-radius:20px;background:var(--surface);min-width:0}
#record-list>p:only-child{padding:48px 24px;border:1px dashed var(--line);border-radius:14px;background:var(--wash);text-align:center;color:var(--muted);margin-top:24px}
.layout{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:22px}
@media(max-width:760px){.layout{grid-template-columns:1fr}.collection{padding:20px}.workspace-nav{grid-template-columns:repeat(2,minmax(0,1fr))}.workspace-nav button{padding:10px 6px}.workspace-open h1{font-size:28px}.toolbar h2{font-size:18px;flex-basis:100%}.workspace-open main{margin-top:8px}.doc-controls{gap:10px}.card,.collection{border-radius:16px}#record-list>p:only-child{padding:28px 16px}#workspace>.toolbar h2{flex-basis:auto}header{gap:8px}header select{max-width:125px}}