:root{--ink:#18332f;--muted:#687b77;--line:#dce7e4;--paper:#fff;--canvas:#f3f7f6;--user:#24766d;--user-dark:#123f3a;--admin:#23405d;--admin-dark:#142b40;--danger:#b94642;--warning:#9b681a;--shadow:0 18px 50px rgba(22,62,57,.10)}
*{box-sizing:border-box}html{font-family:"Noto Sans TC","Microsoft JhengHei",sans-serif;color:var(--ink);background:var(--canvas)}body{margin:0}button,input,select,textarea{font:inherit}button,a{transition:.18s}a{color:inherit;text-decoration:none}button{cursor:pointer}.hidden{display:none!important}
.auth-body{min-height:100vh;background:linear-gradient(145deg,#eef7f4,#d9ebe7);display:grid;place-items:center;padding:28px}.auth-body.admin-login{background:linear-gradient(145deg,#edf2f7,#dce6ef)}.auth-shell{width:min(1040px,100%);display:grid;grid-template-columns:1.08fr .92fr;background:var(--paper);border-radius:28px;overflow:hidden;box-shadow:var(--shadow)}.auth-intro{padding:64px;background:var(--user-dark);color:#fff;display:flex;flex-direction:column;justify-content:center}.admin-login .auth-intro{background:var(--admin-dark)}.eyebrow{font-size:13px;letter-spacing:.16em;text-transform:uppercase;color:#acd5cf}.auth-intro h1{font-size:clamp(34px,5vw,56px);line-height:1.12;margin:16px 0}.auth-intro>p{color:#c7dad6;line-height:1.8}.auth-points{display:grid;gap:10px;margin-top:25px}.auth-point{padding:12px 14px;border:1px solid rgba(255,255,255,.16);border-radius:12px;color:#e4efed}.auth-card{padding:56px;align-self:center}.auth-card h2{font-size:28px;margin:0 0 8px}.auth-card>p{color:var(--muted);line-height:1.7;margin-bottom:28px}
.field{display:grid;gap:7px;margin:16px 0}.field label{font-size:14px;font-weight:800}.field input,.field select,.field textarea,.control{width:100%;border:1px solid var(--line);border-radius:11px;padding:11px 12px;background:#fff;color:var(--ink)}.field textarea{min-height:120px;resize:vertical}.button{border:0;border-radius:10px;padding:11px 16px;font-weight:800;background:var(--user);color:#fff}.admin-area .button,.admin-login .button{background:var(--admin)}.button.secondary{background:#fff;color:var(--ink);border:1px solid var(--line)}.button.danger{background:#fff5f4;color:var(--danger);border:1px solid #efc7c4}.button.full{width:100%}.auth-switch{display:block;text-align:center;margin-top:20px;font-size:14px;color:var(--muted)}.auth-switch:hover{color:var(--ink)}
.app-body{background:var(--canvas);min-height:100vh}.sidebar{position:fixed;inset:0 auto 0 0;width:258px;padding:23px 16px;color:#fff;z-index:20;overflow:auto}.user-sidebar{background:var(--user-dark)}.admin-sidebar{background:var(--admin-dark)}.brand{display:flex;align-items:center;gap:12px;padding:0 8px 22px;font-size:18px;font-weight:900}.brand-mark{display:grid;place-items:center;width:43px;height:43px;border-radius:13px;background:#fff;color:var(--user);font-size:23px}.admin-sidebar .brand-mark{color:var(--admin)}.brand small{display:block;font-weight:500;font-size:11px;opacity:.68;margin-top:2px}.side-nav{display:grid;gap:3px}.side-nav a{padding:10px 12px;border-radius:9px;color:#c8dbd7;font-size:14px}.admin-sidebar .side-nav a{color:#cbd7e2}.side-nav a:hover,.side-nav a.active{background:rgba(255,255,255,.12);color:#fff}.nav-label{font-size:11px;letter-spacing:.12em;text-transform:uppercase;opacity:.48;padding:18px 12px 5px}.sidebar-note{font-size:12px;line-height:1.7;color:#a9c7c1;padding:18px 10px}.app-main{margin-left:258px;min-height:100vh}.topbar{height:70px;padding:0 28px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:14px;justify-content:space-between;position:sticky;top:0;z-index:10}.topbar strong{display:block}.topbar small{display:block;color:var(--muted);font-size:12px;margin-top:3px}.identity{display:flex;align-items:center;gap:14px;font-size:13px}.text-button,.menu-button{border:0;background:transparent;color:var(--muted)}.text-button:hover{color:var(--danger)}.menu-button{display:none;font-size:22px}.page-container{width:min(1440px,100%);padding:28px;margin:auto}
.page-heading{display:flex;justify-content:space-between;gap:18px;align-items:flex-start;margin-bottom:20px}.page-heading h1{font-size:28px;margin:0 0 7px}.page-heading p{margin:0;color:var(--muted);line-height:1.6}.actions{display:flex;gap:9px;flex-wrap:wrap}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:20px}.stat,.panel{background:#fff;border:1px solid var(--line);border-radius:15px;box-shadow:0 4px 18px rgba(21,59,55,.035)}.stat{padding:19px}.stat span{display:block;color:var(--muted);font-size:13px}.stat strong{display:block;font-size:28px;margin-top:8px}.panel{padding:20px;margin-bottom:18px}.panel h2{font-size:19px;margin:0 0 14px}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.toolbar{display:flex;gap:9px;align-items:center;flex-wrap:wrap;margin-bottom:15px}.toolbar .control{width:auto}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;min-width:700px}th,td{padding:11px;border-bottom:1px solid var(--line);font-size:13px;text-align:left}th{color:var(--muted);background:#fafcfb}.badge{display:inline-block;padding:4px 8px;border-radius:999px;background:#e7f3f0;color:var(--user);font-size:11px;font-weight:800}.badge.off{background:#f3eeee;color:#8a5b58}.notice{border:1px solid #ead19b;background:#fff8e8;color:#7d571b;border-radius:11px;padding:13px 14px;line-height:1.6;margin-bottom:15px}.empty{text-align:center;padding:34px;color:var(--muted)}.question-card{padding:17px;border:1px solid var(--line);border-radius:13px;margin-bottom:11px}.question-card h3{font-size:16px;margin:0 0 12px}.options{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.option input{position:absolute;opacity:0}.option label{display:block;border:1px solid var(--line);padding:10px 7px;text-align:center;border-radius:9px}.option input:checked+label{background:var(--user);color:#fff;border-color:var(--user)}.progress{height:8px;border-radius:99px;overflow:hidden;background:#dfe9e7;margin-top:8px}.progress span{display:block;height:100%;background:var(--user);width:0}.chart{width:100%;height:290px;border-radius:12px;background:linear-gradient(180deg,#fbfdfc,#f3f8f6);display:block}.legend{display:flex;gap:12px;flex-wrap:wrap;color:var(--muted);font-size:12px}.legend i{display:inline-block;width:9px;height:9px;border-radius:50%;margin-right:5px}.settings-list{display:grid}.setting-row{display:grid;grid-template-columns:1fr auto;gap:18px;padding:15px 0;border-bottom:1px solid var(--line);align-items:center}.setting-row p{margin:4px 0 0;color:var(--muted);font-size:13px}.switch{width:46px;height:25px;border:0;border-radius:99px;background:#cbd6d4;position:relative}.switch::after{content:"";position:absolute;width:19px;height:19px;border-radius:50%;background:#fff;left:3px;top:3px}.switch.on{background:var(--admin)}.switch.on::after{left:24px}.dialog{border:0;border-radius:16px;padding:22px;width:min(760px,calc(100% - 32px));box-shadow:var(--shadow)}.dialog::backdrop{background:rgba(12,30,28,.5)}.dialog-close{float:right;margin-top:15px}.toast{position:fixed;right:22px;bottom:22px;background:#173f3b;color:#fff;border-radius:10px;padding:11px 15px;opacity:0;transform:translateY(10px);pointer-events:none;transition:.2s;z-index:80}.toast.show{opacity:1;transform:none}
@media(max-width:1000px){.stats{grid-template-columns:repeat(2,1fr)}.grid-2{grid-template-columns:1fr}.auth-intro{padding:42px}.auth-card{padding:42px}}
@media(max-width:760px){.auth-shell{grid-template-columns:1fr}.auth-intro{padding:35px}.auth-card{padding:35px}.sidebar{transform:translateX(-100%);transition:.2s}.sidebar.open{transform:none}.app-main{margin-left:0}.menu-button{display:block}.topbar{padding:0 15px}.page-container{padding:20px 13px}.page-heading{display:block}.page-heading .actions{margin-top:14px}.options{grid-template-columns:repeat(2,1fr)}}
@media print{.sidebar,.topbar,.page-heading .actions,.no-print{display:none!important}.app-main{margin:0}.page-container{padding:0}.panel{box-shadow:none}}