:root{--ink:#173735;--muted:#607773;--green:#1f6a61;--green-dark:#174f49;--green-soft:#e7f2ef;--line:#cddedb;--paper:#fff;--bg:#f2f6f4;--gold:#b87513;--danger:#ae3e39;--shadow:0 12px 36px rgba(26,67,62,.10);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans TC","PingFang TC",sans-serif;color:var(--ink);background:var(--bg)}*{box-sizing:border-box}body{margin:0;min-width:320px;background:var(--bg);font-size:16px;line-height:1.7}button,input,textarea{font:inherit}button,a{touch-action:manipulation}.topbar{position:sticky;top:0;z-index:30;min-height:76px;padding:12px 28px;background:#153e3a;color:#fff;display:flex;align-items:center;justify-content:space-between;box-shadow:0 2px 12px rgba(0,0,0,.18)}.brand{display:flex;align-items:center;gap:12px;color:inherit;text-decoration:none}.brand-mark{display:grid;place-items:center;width:46px;height:46px;border-radius:14px;background:#e7b95e;color:#153e3a;font-weight:900}.brand div{display:flex;flex-direction:column;line-height:1.35}.brand strong{font-size:18px}.brand span:not(.brand-mark){font-size:13px;color:#c9dfdb}.public-badge{border:1px solid rgba(255,255,255,.35);border-radius:999px;padding:5px 12px;font-size:13px}.landing{width:min(1120px,calc(100% - 36px));margin:0 auto;padding:72px 0}.hero{max-width:760px;margin-bottom:42px}.eyebrow{color:var(--green);font-weight:800;letter-spacing:.14em}.hero h1{font-size:clamp(34px,6vw,58px);line-height:1.2;margin:8px 0 18px}.hero p:last-child{font-size:19px;color:var(--muted)}.department-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.department-card{position:relative;display:flex;min-height:300px;flex-direction:column;padding:32px;border:1px solid var(--line);border-top:7px solid var(--green);border-radius:20px;background:var(--paper);box-shadow:var(--shadow);color:inherit;text-decoration:none;transition:.2s transform,.2s box-shadow}.department-card:hover{transform:translateY(-3px);box-shadow:0 18px 44px rgba(26,67,62,.16)}.department-card.housekeeping{border-top-color:#b87513}.card-kicker{font-weight:800;color:var(--green)}.department-card h2{margin:18px 0 8px;font-size:30px}.department-card p{margin:0;color:var(--muted)}.card-progress{margin-top:28px;padding:12px 14px;border-radius:10px;background:var(--green-soft);font-weight:700}.card-link{margin-top:auto;padding-top:32px;color:var(--green);font-weight:800}.landing-note{margin-top:28px;padding:28px 32px;border:1px solid var(--line);border-radius:18px;background:#fff}.landing-note h2{margin-top:0}.landing-note li+li{margin-top:8px}.save-state{font-size:14px;color:#d7e9e6}.workspace{display:grid;grid-template-columns:310px minmax(0,1fr);min-height:calc(100vh - 76px)}.sidebar{position:sticky;top:76px;align-self:start;height:calc(100vh - 76px);overflow:auto;padding:26px 20px;background:#e8f0ee;border-right:1px solid var(--line)}.sidebar-head h1{margin:16px 0 0;font-size:25px}.sidebar-head p{margin:0;color:var(--muted)}.back-link{color:var(--green);font-weight:700;text-decoration:none}.progress-card{margin:22px 0 18px;padding:16px;border-radius:14px;background:#fff;border:1px solid var(--line)}.progress-row{display:flex;justify-content:space-between}.progress-track{height:10px;margin:12px 0 6px;border-radius:99px;background:#dce7e4;overflow:hidden}.progress-track span{display:block;width:0;height:100%;background:var(--green);transition:width .3s}.progress-card small{color:var(--muted)}.search-box{display:block;margin-bottom:14px}.search-box span{display:block;margin-bottom:5px;font-size:13px;font-weight:700}.search-box input{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:#fff}.unit-nav{display:flex;flex-direction:column;gap:7px}.unit-button{width:100%;padding:10px;border:1px solid transparent;border-radius:11px;background:transparent;color:var(--ink);display:flex;align-items:center;justify-content:space-between;text-align:left;cursor:pointer}.unit-button:hover,.unit-button.active{background:#fff;border-color:var(--line)}.unit-button span{min-width:0;display:flex;flex-direction:column}.unit-button strong{font-size:14px}.unit-button small{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--muted)}.unit-button em{margin-left:8px;font-size:12px;font-style:normal;color:var(--green);white-space:nowrap}.review-main{width:min(1040px,100%);margin:0 auto;padding:30px 36px 70px}.mobile-units{display:none}.toolbar{position:sticky;top:88px;z-index:20;display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;padding:12px 16px;border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.95);backdrop-filter:blur(8px);box-shadow:0 4px 18px rgba(26,67,62,.08)}.toolbar-actions{display:flex;gap:8px}.status-pill{display:inline-flex;padding:4px 10px;border-radius:999px;font-size:13px;font-weight:800}.status-pill.pending{background:#fff1db;color:#8d5608}.status-pill.confirmed{background:#dff0e9;color:#176252}.question-position{margin-left:10px;color:var(--muted);font-size:14px}.button{border:0;border-radius:10px;padding:9px 16px;background:var(--green);color:#fff;font-weight:800;cursor:pointer}.button:hover:not(:disabled){filter:brightness(.95)}.button:disabled{opacity:.45;cursor:not-allowed}.button.secondary{border:1px solid var(--line);background:#fff;color:var(--ink)}.button.confirm{background:var(--green)}.button.add{background:#2f778e}.button.submit{background:#a86609}.button.danger-ghost{border:1px solid #e4b8b5;background:#fff;color:var(--danger)}.question-card{border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:var(--shadow);overflow:hidden}.unit-heading{padding:24px 28px;background:#f7faf9;border-bottom:1px solid var(--line)}.unit-heading p{margin:0;color:var(--green);font-weight:800}.unit-heading h2{margin:3px 0 0;font-size:29px}.test-section,.edit-section{padding:28px}.section-title{display:flex;align-items:flex-start;gap:13px;margin-bottom:22px}.section-title>span{display:grid;place-items:center;flex:0 0 34px;height:34px;border-radius:50%;background:var(--green);color:#fff;font-weight:900}.section-title h3{margin:0;font-size:23px}.section-title p{margin:0;color:var(--muted)}.question-preview{font-size:22px;line-height:1.65;font-weight:750}.test-options{display:grid;gap:12px}.option-editor{border:1px solid var(--line);border-radius:14px;overflow:hidden}.option-editor.selected{box-shadow:0 0 0 2px #7caea8}.option-editor.correct-option{border-color:#91bdb6}.option-test{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px;background:#fbfdfc}.answer-choice{display:flex;align-items:flex-start;gap:10px;cursor:pointer}.answer-choice input{margin-top:7px}.answer-choice span{display:grid;place-items:center;flex:0 0 29px;height:29px;border-radius:50%;background:var(--green-soft);color:var(--green);font-weight:900}.answer-choice strong{font-weight:600}.result-tag{flex:0 0 auto;padding:3px 8px;border-radius:999px;font-size:12px}.result-tag.right{background:#dff0e9;color:#176252}.result-tag.wrong{background:#f8e3e1;color:#943b36}.answer-panel{margin:0 28px 28px;padding:21px;border-left:6px solid var(--green);background:var(--green-soft)}.answer-panel h3{margin:0 0 8px}.answer-panel p{white-space:pre-wrap}.answer-text{font-size:18px}.hint{padding-top:12px;border-top:1px solid #c6ded8}.edit-section{border-top:1px solid var(--line);background:#fbfcfc}.field{display:block;margin-bottom:18px}.field>span{display:block;margin-bottom:6px;font-weight:800}.field textarea{display:block;width:100%;resize:vertical;padding:11px 12px;border:1px solid #b9ceca;border-radius:9px;background:#fff;color:var(--ink);line-height:1.65}.field textarea:focus,.search-box input:focus{outline:3px solid rgba(31,106,97,.18);border-color:var(--green)}.edit-grid{padding:16px;border-top:1px solid var(--line);background:#f5f8f7}.edit-grid .field{margin-bottom:12px}.correct-picker{display:inline-flex;gap:7px;margin-bottom:12px;color:var(--green);font-weight:800}.remove-option{padding:3px 0;border:0;background:transparent;color:var(--danger);cursor:pointer}.add-option{margin-bottom:20px}.question-actions{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin:22px 0}.submit-panel{display:flex;justify-content:space-between;align-items:center;gap:22px;margin-top:28px;padding:24px;border:1px solid #e3c48f;border-radius:16px;background:#fff9ed}.submit-panel h2{margin:0}.submit-panel p{margin:3px 0 0;color:var(--muted)}.toast{position:fixed;right:24px;bottom:24px;z-index:100;max-width:min(420px,calc(100% - 48px));padding:13px 18px;border-radius:11px;background:#173f3a;color:#fff;box-shadow:var(--shadow);opacity:0;transform:translateY(14px);pointer-events:none;transition:.2s}.toast.show{opacity:1;transform:none}.toast.error{background:#8c332f}.modal-backdrop{position:fixed;inset:0;z-index:90;display:grid;place-items:center;padding:20px;background:rgba(13,37,34,.62)}.modal-backdrop[hidden]{display:none}.modal{width:min(520px,100%);padding:28px;border-radius:18px;background:#fff;box-shadow:0 24px 80px rgba(0,0,0,.3)}.modal h2{margin-top:0}.modal-actions{display:flex;justify-content:flex-end;gap:10px}.error-box{padding:40px;text-align:center}@media(max-width:900px){.department-grid{grid-template-columns:1fr}.workspace{display:block}.sidebar{position:fixed;left:0;top:76px;z-index:40;width:min(340px,88vw);transform:translateX(-105%);transition:transform .2s;box-shadow:8px 0 30px rgba(0,0,0,.2)}.sidebar.open{transform:none}.review-main{padding:18px 16px 60px}.mobile-units{display:block;width:100%;margin-bottom:12px;padding:10px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink);font-weight:800}.toolbar{top:86px}.public-badge{display:none}}@media(max-width:620px){body{font-size:16px}.topbar{padding:10px 14px;min-height:70px}.brand-mark{width:40px;height:40px}.brand strong{font-size:16px}.app-topbar .brand span:not(.brand-mark){max-width:180px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.save-state{max-width:110px;text-align:right;font-size:12px}.landing{width:min(100% - 28px,1120px);padding:42px 0}.department-card{min-height:250px;padding:24px}.toolbar{top:78px;align-items:flex-start;gap:10px}.toolbar>div:first-child{display:flex;flex-direction:column}.question-position{margin:4px 0 0}.toolbar-actions{flex-direction:column}.toolbar-actions .button{padding:7px 11px}.unit-heading,.test-section,.edit-section{padding:20px}.unit-heading h2{font-size:24px}.question-preview{font-size:19px}.answer-panel{margin:0 20px 20px}.option-test{align-items:flex-start;flex-direction:column}.submit-panel{align-items:stretch;flex-direction:column}.submit-panel .button{width:100%}.question-actions .button{flex:1 1 42%}}