:root{--bg:#f4f6f9;--card:#fff;--text:#1f2933;--muted:#6b7785;--line:#dde3ea;--brand:#1a73e8;--brand-d:#1557b0;--ok:#1e8e3e;--err:#d93025;--warn:#b06000}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.65 "Noto Sans TC","PingFang TC","Microsoft JhengHei",system-ui,sans-serif}
a{color:var(--brand)}
.wrap{max-width:1200px;margin:0 auto;padding:20px 16px 60px}
.wrap.narrow{max-width:760px}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:22px;margin-bottom:16px;box-shadow:0 1px 2px rgba(0,0,0,.04)}
.center{text-align:center}
.muted{color:var(--muted)}
.mono{font-family:ui-monospace,Consolas,monospace;word-break:break-all}
.mono.big{font-size:1.05rem;margin:4px 0 8px}
h1{font-size:1.5rem;margin:0 0 8px}
h2{font-size:1.2rem;margin:0 0 8px}
.form-title{font-size:1.6rem}
.rich img{max-width:100%;height:auto}
.rich table{border-collapse:collapse;max-width:100%}
.rich td,.rich th{border:1px solid var(--line);padding:4px 8px}
.consent-box{max-height:55vh;overflow:auto;border:1px solid var(--line);border-radius:8px;padding:12px 16px;background:#fafbfc}
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--brand);color:#fff;border:1px solid var(--brand);border-radius:8px;padding:9px 18px;font:inherit;font-size:.95rem;cursor:pointer;text-decoration:none;line-height:1.3}
.btn:hover{background:var(--brand-d)}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--line)}
.btn-ghost:hover{background:#eef3fd}
.btn-sm{padding:4px 10px;font-size:.85rem}
.btn-google{background:#fff;color:#3c4043;border-color:#dadce0;font-size:1.05rem;padding:12px 22px}
.btn-google:hover{background:#f7f8f8}
.linkbtn{background:none;border:0;color:var(--brand);cursor:pointer;font:inherit;padding:0}
.danger{color:var(--err)!important}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}
.actions.sticky{position:sticky;bottom:0;background:var(--bg);padding:12px 0}
.flash{padding:12px 16px;border-radius:8px;margin-bottom:16px;background:#e6f4ea;color:var(--ok);border:1px solid #b7e1c1}
.flash.err{background:#fce8e6;color:var(--err);border-color:#f5c2bd}
.warn{color:var(--warn);font-size:.9rem}
.field{margin-bottom:20px}
.field-label{display:block;font-weight:600;margin-bottom:6px}
.req{color:var(--err)}
.help{color:var(--muted);font-size:.88rem;margin-bottom:6px}
.error{color:var(--err);font-size:.9rem;margin-top:4px}
.has-error input,.has-error select,.has-error textarea{border-color:var(--err)}
input:not([type=checkbox]):not([type=radio]),select,textarea{width:100%;font:inherit;padding:9px 12px;border:1px solid #c9d1da;border-radius:8px;background:#fff;color:inherit}
input:focus,select:focus,textarea:focus{outline:2px solid #c6dafc;border-color:var(--brand)}
.choices{display:flex;flex-direction:column;gap:6px}
.choice{display:flex;align-items:center;gap:8px;cursor:pointer;font-weight:normal}
.choice input{width:18px;height:18px}
.userbar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:.92rem;color:var(--muted);margin:0 4px 12px}
.userbar img{width:28px;height:28px;border-radius:50%}
.answers dt{font-weight:600;margin-top:12px}
.answers dd{margin:2px 0 0;padding-bottom:8px;border-bottom:1px dashed var(--line)}
.foot{text-align:center;color:var(--muted);font-size:.8rem;padding:20px}
/* admin */
.topbar{display:flex;align-items:center;gap:24px;flex-wrap:wrap;background:#fff;border-bottom:1px solid var(--line);padding:10px 20px}
.topbar .brand{font-weight:700;font-size:1.1rem;text-decoration:none;color:var(--text)}
.topbar nav{display:flex;gap:16px}
.topbar nav a{text-decoration:none}
.topbar .me{margin-left:auto;font-size:.88rem;color:var(--muted)}
.badge{display:inline-block;background:#eef3fd;color:var(--brand);border-radius:99px;padding:1px 8px;font-size:.8rem}
.pagehead{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:14px}
.pagehead.small{margin-bottom:8px}
.table-wrap{overflow-x:auto;background:#fff;border:1px solid var(--line);border-radius:12px}
table.list{width:100%;border-collapse:collapse;font-size:.93rem}
table.list th,table.list td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
table.list th{background:#f8fafc;white-space:nowrap}
table.responses td{min-width:90px}
.nowrap{white-space:nowrap}
.links a,.links form.inline{margin-right:10px}
.links .linkbtn{text-decoration:underline}
.state{display:inline-block;border-radius:99px;padding:1px 10px;font-size:.82rem;background:#eee}
.state-open{background:#e6f4ea;color:var(--ok)}
.state-ended,.state-disabled{background:#f1f3f4;color:var(--muted)}
.state-not_started{background:#fef7e0;color:var(--warn)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:16px}
@media(max-width:700px){.grid2{grid-template-columns:1fr}}
.range{display:flex;flex-direction:column;gap:8px;margin-top:8px;padding-left:26px}
.share{display:flex;gap:20px;align-items:center;flex-wrap:wrap}
.share img{border:1px solid var(--line);border-radius:8px}
.share .btn{margin:4px 4px 0 0}
.fld{border:1px solid var(--line);border-radius:10px;padding:10px 12px;margin-bottom:10px;background:#fbfcfd}
.fld-row{display:flex;gap:8px;align-items:center;margin:4px 0;flex-wrap:wrap}
.fld-row .grow{flex:1;min-width:200px}
.fld-row select{width:auto}
.fld-row textarea{flex:1;min-width:200px}
.fld-no{font-weight:700;color:var(--muted);width:28px}
button.icon{border:1px solid var(--line);background:#fff;border-radius:6px;width:32px;height:32px;cursor:pointer}
.add-field{display:flex;flex-wrap:wrap;gap:6px;align-items:center;margin-top:10px}
.searchbar{display:flex;gap:8px;align-items:center;margin-bottom:12px}
.searchbar input{max-width:320px}
.inline-form{display:flex;gap:8px;flex-wrap:wrap}
.inline-form input{flex:1;min-width:220px}
.inline-form select{width:auto}
form.inline{display:inline}
form.inline select{width:auto;padding:4px 8px}
.danger-zone{margin-top:30px;text-align:right}
.qr{display:block;margin:12px auto;border:1px solid var(--line);border-radius:8px}
.slots{display:flex;flex-direction:column;gap:12px}
.slot-day{border:1px solid var(--line);border-radius:10px;padding:8px 12px}
.slot-date{font-weight:700;margin-bottom:4px}
.choice.slot{padding:4px 0}
.slot-time{min-width:110px}
.slot-left{color:var(--ok);font-size:.88rem}
.slot-off{color:var(--muted);cursor:not-allowed}
.slot-off .slot-left{color:var(--muted)}
.slot-editor{width:100%}
.slot-editor table{width:100%;border-collapse:collapse}
.slot-editor td,.slot-editor th{padding:3px 4px;text-align:left;font-weight:normal;color:var(--muted);font-size:.88rem}
.slot-editor input{width:100%;min-width:0}
.slot-editor .cap{width:90px}
.slot-tools{display:flex;gap:8px;flex-wrap:wrap;margin-top:6px}
.slot-summary tr.active td{background:#eef3fd}
.rooms{display:flex;flex-wrap:wrap;gap:6px;margin:8px 0}
.room{display:inline-flex;align-items:center;gap:6px;min-width:56px;justify-content:center;padding:5px 10px;border:1px solid var(--line);border-radius:8px;background:#f8fafc;color:var(--muted);text-decoration:none;font-size:.92rem}
.room-on{background:#e6f4ea;border-color:#b7e1c1;color:var(--ok);font-weight:700}
.room-on span{background:var(--ok);color:#fff;border-radius:99px;padding:0 6px;font-size:.78rem}
.room.active{outline:2px solid var(--brand)}
.room-empty textarea{width:100%;margin-top:6px}
@media print{.topbar,.noprint,.pagehead{display:none}.card{border:0;box-shadow:none}}