:root{--bg:#f5f7fb;--card:#fff;--text:#1f2937;--muted:#667085;--line:#dfe3eb;--primary:#5b4bdb;--primary-dark:#4737c2;--danger:#c93636;--success:#16875d;--shadow:0 8px 28px rgba(31,41,55,.08);font-family:Inter,"Noto Sans TC","PingFang TC","Microsoft JhengHei",sans-serif;color:var(--text)}*{box-sizing:border-box}body{margin:0;background:var(--bg);line-height:1.55}a{color:inherit;text-decoration:none}input,textarea,select,button{font:inherit}input,textarea,select{width:100%;border:1px solid #cfd5df;border-radius:8px;background:#fff;padding:11px 12px;color:var(--text);outline:none;transition:.15s}input:focus,textarea:focus,select:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(91,75,219,.12)}textarea{resize:vertical}label{display:block;font-weight:650}label>input,label>textarea,label>select{margin-top:6px;font-weight:400}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid var(--line);background:#fff;border-radius:8px;padding:9px 14px;cursor:pointer;font-weight:700;white-space:nowrap}.btn:hover{background:#f8f8fb}.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-small{padding:6px 10px;font-size:.9rem}.btn-large{padding:12px 24px}.btn-block{width:100%}.btn:disabled{opacity:.65;cursor:not-allowed}.muted,.help-text{color:var(--muted)}.required,.required-note span{color:#d12d2d}.alert{padding:12px 14px;border-radius:9px;margin-bottom:16px}.alert-error{background:#fff0f0;color:#982727;border:1px solid #f2c8c8}.alert-success{background:#eefbf5;color:#126747;border:1px solid #bde6d3}.topbar{height:64px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 max(24px,calc((100% - 1180px)/2));position:sticky;top:0;z-index:10}.brand{font-size:1.18rem;font-weight:900;color:var(--primary)}.topbar nav{display:flex;gap:18px;align-items:center;color:var(--muted)}.admin-shell{max-width:1180px;margin:0 auto;padding:32px 24px 90px}.page-heading{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:24px}.page-heading h1{margin:0}.page-heading p{margin:5px 0 0;color:var(--muted)}.heading-actions{display:flex;gap:8px}.panel,.form-card,.empty-state{background:var(--card);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow)}.panel{padding:24px;margin-bottom:20px}.panel>label{margin-top:16px}.field-grid{display:grid;gap:18px}.field-grid.two{grid-template-columns:1fr 260px}.check-row{display:flex!important;align-items:center;gap:8px;font-weight:500}.check-row input{width:auto;margin:0}.form-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(330px,1fr));gap:18px}.form-card{padding:20px}.form-card h2{margin:14px 0 6px}.card-top,.card-actions,.public-link,.builder-field-head,.options-head,.section-title,.sticky-actions{display:flex;align-items:center;justify-content:space-between;gap:10px}.card-top{color:var(--muted);font-size:.9rem}.status{font-weight:800;padding:3px 8px;border-radius:999px}.status-draft{background:#edf0f4;color:#556070}.status-published{background:#e7f7f0;color:#13714d}.status-closed{background:#fff0e8;color:#a84a19}.clamp{min-height:48px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.public-link{margin:16px 0}.public-link input{font-size:.85rem;background:#f7f8fa}.card-actions{justify-content:flex-start;flex-wrap:wrap}.empty-state{padding:46px;text-align:center;grid-column:1/-1}.section-title{margin:26px 0 12px}.builder-field{background:#fff;border:1px solid var(--line);border-left:5px solid var(--primary);border-radius:12px;padding:20px;margin-bottom:14px;box-shadow:0 4px 15px rgba(31,41,55,.05)}.builder-field-head{margin-bottom:16px}.drag-handle{color:#9aa1ad}.icon-btn{border:0;background:transparent;padding:5px 8px;cursor:pointer;color:var(--muted)}.icon-btn.danger{color:var(--danger)}.builder-field>label{margin-top:14px}.options-area{margin-top:16px;border-top:1px dashed var(--line);padding-top:16px}.hidden{display:none!important}.options-head span{font-size:.86rem;color:var(--muted)}.option-row{display:grid;grid-template-columns:28px minmax(180px,1fr) 120px 86px 54px;gap:8px;align-items:center;margin:9px 0}.option-index{color:var(--muted);text-align:center}.used-badge{font-size:.85rem;color:var(--muted)}.sticky-actions{position:fixed;bottom:0;left:0;right:0;background:rgba(255,255,255,.95);border-top:1px solid var(--line);padding:12px max(24px,calc((100% - 1180px)/2));justify-content:flex-end;z-index:8}.capacity-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px}.capacity-item{border:1px solid var(--line);padding:14px;border-radius:10px;display:grid;gap:6px}.capacity-item span,.capacity-item small{color:var(--muted)}progress{width:100%}.table-panel{padding:0}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;min-width:760px}th,td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}th{background:#f8f9fb;position:sticky;top:0}.nowrap{white-space:nowrap}.empty-cell{text-align:center;color:var(--muted);padding:30px}.auth-page{min-height:100vh;display:grid;place-items:center;padding:24px}.auth-card{width:min(430px,100%);background:#fff;border:1px solid var(--line);border-radius:16px;padding:30px;box-shadow:var(--shadow)}.auth-card h1{margin-top:0}.auth-card label{margin:16px 0}.public-page{background:linear-gradient(180deg,#ece9ff 0,#f5f7fb 240px)}.public-shell{width:min(760px,calc(100% - 28px));margin:42px auto 80px}.public-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:25px;margin-bottom:15px;box-shadow:var(--shadow)}.form-intro{border-top:8px solid var(--primary)}.form-intro h1{font-size:2rem;margin:0 0 10px}.description{white-space:normal;color:#414956}.required-note{font-size:.9rem;color:var(--muted);margin-bottom:0}.question-title{font-size:1.05rem}.help-text{margin:5px 0 12px;font-size:.92rem}.choice-list{display:grid;gap:9px;margin-top:12px}.choice{display:flex;align-items:center;gap:10px;font-weight:500;padding:10px;border:1px solid transparent;border-radius:8px}.choice:hover{background:#f8f8fc}.choice input{width:auto;margin:0}.choice small{color:var(--muted);margin-left:6px}.choice-full{opacity:.55}.public-actions{display:flex;justify-content:flex-start;padding-top:4px}.message-card{text-align:center;padding:48px 28px}.checkmark{width:64px;height:64px;border-radius:50%;display:grid;place-items:center;background:#e8f8f1;color:var(--success);font-size:2rem;font-weight:900;margin:0 auto 16px}.hp-field{position:absolute!important;left:-10000px!important;width:1px!important;height:1px!important}.success-mark h1{margin-bottom:8px}@media(max-width:720px){.admin-shell{padding:22px 14px 80px}.topbar{padding:0 14px}.topbar nav span{display:none}.page-heading{align-items:flex-start;flex-direction:column}.heading-actions{width:100%;flex-wrap:wrap}.field-grid.two{grid-template-columns:1fr}.option-row{grid-template-columns:24px 1fr 92px}.option-row .used-badge{grid-column:2}.option-row .icon-btn{grid-column:3;grid-row:2}.form-grid{grid-template-columns:1fr}.public-shell{margin-top:22px}.public-card{padding:20px}.form-intro h1{font-size:1.6rem}.sticky-actions{padding:10px 14px}.options-head{align-items:flex-start;flex-direction:column}}
.btn-danger{background:#fff0f0;border-color:#efb6b6;color:var(--danger)}.btn-danger:hover{background:#ffe2e2}.inline-form{display:inline}.actions-column{width:86px;white-space:nowrap;text-align:center}

/* v1.2：較大的整體字體與橫幅圖片 */
html{font-size:18px}body{font-size:1rem}.page-heading h1{font-size:2.05rem;line-height:1.25}.panel h2,.section-title h2{font-size:1.45rem}.btn{min-height:44px;padding:10px 16px}.btn-small{min-height:38px;font-size:.95rem}.btn-large{min-height:52px;padding:13px 28px;font-size:1.08rem}input,textarea,select{min-height:46px;padding:12px 14px}.question-title{font-size:1.18rem;line-height:1.5}.help-text{font-size:1rem}.choice{font-size:1.08rem;padding:13px 12px}.choice input{width:20px;height:20px}.public-shell{width:min(900px,calc(100% - 28px))}.form-intro h1{font-size:2.25rem;line-height:1.3}.description{font-size:1.08rem;line-height:1.75}.required-note{font-size:1rem}.public-banner{padding:0;overflow:hidden}.public-banner img{display:block;width:100%;aspect-ratio:16/5;object-fit:cover}.banner-editor{margin-top:18px;padding:18px;border:1px dashed var(--line);border-radius:12px;background:#fafbfe}.banner-preview{margin-top:16px}.banner-preview img{display:block;width:min(680px,100%);aspect-ratio:16/5;object-fit:cover;border:1px solid var(--line);border-radius:10px;margin-bottom:12px}.upload-help{margin:7px 0 0;color:var(--muted);font-size:.94rem;font-weight:400}
@media(max-width:720px){html{font-size:17px}.form-intro h1{font-size:1.9rem}.public-banner img{aspect-ratio:16/6}.question-title{font-size:1.14rem}}

/* v1.3：Email／手機格式驗證訊息 */
.format-hint{margin:8px 0 0;color:var(--muted);font-size:.94rem}.field-error{margin:8px 0 0;color:var(--danger);font-weight:700}.input-invalid{border-color:var(--danger)!important;box-shadow:0 0 0 3px rgba(201,54,54,.12)!important}#submit-errors:focus{outline:3px solid rgba(201,54,54,.25);outline-offset:3px}
.option-row{grid-template-columns:28px minmax(180px,1fr) 120px 96px 86px 54px}.option-closed-toggle{justify-content:center;font-size:.92rem;color:var(--muted);white-space:nowrap}.option-closed-toggle input{width:auto;min-height:auto}.option-status-inline{display:inline-block;margin-left:6px;font-size:.78rem;vertical-align:middle}.no-options-message{margin:10px 0 0}
@media(max-width:720px){.option-row{grid-template-columns:24px 1fr 92px}.option-closed-toggle{grid-column:2;justify-content:flex-start}.option-row .used-badge{grid-column:2}.option-row .icon-btn{grid-column:3;grid-row:3}}
/* v1.5: option ordering controls */
.option-row{grid-template-columns:28px minmax(180px,1fr) 120px 96px 86px 78px 54px}
.option-move{display:flex;align-items:center;justify-content:center;gap:2px;white-space:nowrap}
.option-move .icon-btn{border:1px solid var(--line);border-radius:6px;background:#fff;line-height:1;padding:6px 8px;font-weight:800;color:var(--muted)}
.option-move .icon-btn:hover{background:#f8f8fb;color:var(--primary)}
@media(max-width:720px){.option-row{grid-template-columns:24px 1fr 92px}.option-move{grid-column:2;justify-content:flex-start}.option-row .icon-btn[data-remove-option]{grid-column:3;grid-row:4}}
.option-move .icon-btn:disabled{opacity:.35;cursor:not-allowed;color:var(--muted);background:#f8f9fb}