:root{--ink:#193b36;--primary:#154d47;--muted:#73827b;--paper:#f8f5ef;--white:#fffefa;--line:#e5e7dd;--gold:#b88a4a;--red:#bc483a;--danger:#a72e32;--shadow:0 20px 65px #1b413512;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none;line-height:1.65}
*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.55}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #b7cbb5;outline-offset:3px}[hidden]{display:none!important}a{color:inherit;text-decoration:none}h1,h2,h3,p{margin:0}h1{font-size:clamp(30px,5vw,42px);line-height:1.35;letter-spacing:-1px;font-weight:650}h2{font-size:25px;line-height:1.5;letter-spacing:-.5px}h3{font-size:18px}.muted,.footnote,.hint{color:var(--muted)}.footnote,.hint{font-size:12px}.hint{display:block;font-weight:400;margin:5px 0}.eyebrow{font-size:11px;letter-spacing:3px;color:var(--gold);font-weight:700;margin-bottom:14px}.lead{color:var(--muted);font-size:15px;margin-top:15px}.site-header{max-width:1000px;margin:auto;padding:28px 35px}.brand{display:flex;align-items:center;gap:12px;font-size:15px;font-weight:650;letter-spacing:1px}.brand-mark{display:grid;place-items:center;background:var(--primary);color:#f4e1b8;width:42px;height:42px;border-radius:13px;font-family:serif;font-size:22px}.brand-sub{display:block;font-size:10px;color:var(--muted);font-weight:400;letter-spacing:1px;margin-top:2px}.teacher-main{max-width:560px;margin:30px auto 0;padding:0 24px;min-height:72vh}#intro{text-align:center}#intro h1{max-width:470px;margin:auto}.journey{display:flex;justify-content:center;gap:15px;align-items:center;font-size:11px;color:var(--muted);margin:30px 0 8px}.journey b{font-size:10px;letter-spacing:1px;color:var(--primary);margin-right:4px}.journey i{color:#d5d6cb;font-style:normal}.hero-gift{height:250px;position:relative;display:grid;place-items:center;overflow:hidden}.gift-orbit{position:absolute;width:245px;height:245px;border:1px solid #dddcc7;border-radius:50%}.gift-orbit:before{content:"";position:absolute;inset:20px;border:1px dashed #dfdfd0;border-radius:50%}.gift-orbit:after{content:"✦";position:absolute;right:0;top:25px;color:var(--gold);font-size:24px}.envelope{width:170px;height:200px;background:linear-gradient(140deg,#c6604e,#9d392f);border-radius:14px;box-shadow:0 18px 35px #a84a3433;position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;transform:rotate(-7deg)}.envelope-line{position:absolute;top:0;left:0;width:100%;height:75px;background:#ffffff0e;border-radius:14px 14px 60% 60%;border-bottom:1px solid #e4b48877}.gift-seal{display:grid;place-items:center;width:67px;height:67px;border-radius:50%;background:linear-gradient(135deg,#f8e3b0,#d5b370);border:4px double #e7c68d;color:#965b29;font-family:serif;font-size:32px;z-index:1}.envelope-note{position:absolute;bottom:20px;letter-spacing:2px;font-size:10px;color:#f6dec5}.registration-count{display:flex;justify-content:center;align-items:baseline;gap:8px;font-size:12px;margin:12px 0 20px}.registration-count>span:first-child{font-family:Georgia,serif;font-size:28px;color:var(--primary)}.button{border:0;border-radius:12px;min-height:44px;padding:10px 20px;font-size:14px;font-weight:600;transition:transform .2s,background .2s}.button:not(:disabled):active{transform:scale(.98)}.primary{background:var(--primary);color:white}.primary:hover{background:#21645a}.secondary{background:#edf1e9;color:var(--primary);border:1px solid #dfe5d8}.danger{background:#f7e4df;color:var(--danger)}.wide{width:100%;min-height:54px;font-size:15px;display:flex;align-items:center;justify-content:center;gap:25px}#activity-state{margin:10px 0 20px}.rules,.privacy{text-align:left;border-top:1px solid var(--line);margin-top:26px;padding-top:16px;color:var(--muted);font-size:12px}.rules p,.privacy p{white-space:pre-line;margin-top:12px}.rules summary,.privacy summary{cursor:pointer}.site-footer{display:flex;flex-direction:column;align-items:center;gap:5px;font-size:10px;letter-spacing:1px;color:#9aa197;margin:50px 20px 25px}.panel{background:var(--white);padding:30px;border:1px solid #e7e7dc;border-radius:24px;box-shadow:var(--shadow)}.panel .eyebrow{margin-top:15px}.panel .muted{font-size:13px;margin:10px 0 24px}.text-button{border:0;background:none;padding:10px 0;color:var(--muted);font-size:12px}.centered{text-align:center}.centered .footnote{margin-top:18px}.field-row{display:flex;gap:16px}.field-row>*{flex:1;min-width:0}label{display:block;font-size:13px;font-weight:550;margin:18px 0}input,select,textarea{display:block;width:100%;border:1px solid #dbe0d4;border-radius:9px;background:#fff;color:var(--ink);padding:12px;min-height:45px;margin-top:7px}input::placeholder,textarea::placeholder{color:#a2a99d;font-size:12px}textarea{resize:vertical;line-height:1.7}fieldset{border:0;padding:0;margin:22px 0}legend{font-size:13px;font-weight:550;margin-bottom:10px}.service-options{display:grid;gap:9px}.service-option{margin:0;display:flex;align-items:center;gap:10px;border:1px solid var(--line);border-radius:9px;padding:12px;background:#fcfcf7;font-weight:400}.service-option:has(input:checked){border-color:#6d9881;background:#edf4e9}.service-option input,.consent input{width:17px;height:17px;min-height:0;margin:0;accent-color:var(--primary);flex-shrink:0}.consent{display:flex;gap:10px;align-items:flex-start;font-size:11px;color:var(--muted);font-weight:400}.consent input{margin-top:2px}.privacy{margin-top:0;margin-bottom:20px;border:0;padding-top:0}.message{border:1px solid #ecc8bf;background:#fff2ec;color:#914838;border-radius:10px;padding:13px 16px;font-size:13px;margin:16px 0;white-space:pre-line}.message.success{border-color:#cfddc9;background:#eef5e9;color:#375c3f}.demo-strip{text-align:center;background:#fff0cc;color:#856631;font-size:11px;padding:7px}.loading{display:flex;flex-direction:column;align-items:center;gap:18px;padding-top:100px;color:var(--muted);font-size:13px}.spinner{display:inline-block;width:26px;height:26px;border:2px solid #d5e0d0;border-top-color:var(--primary);border-radius:50%;animation:spin 1s linear infinite}.success-icon{display:inline-grid;place-items:center;background:#e9f2e2;color:var(--primary);width:45px;height:45px;border-radius:50%;font-size:23px}.draw-envelope{height:220px;width:180px;background:linear-gradient(145deg,#c65e49,#a03d30);margin:25px auto 35px;border-radius:16px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:15px;box-shadow:0 15px 35px #ac4b3033}.draw-envelope-title{font-family:serif;font-size:22px;color:#f9e1b7;letter-spacing:5px}.tiny-stars{font-size:13px;color:#dfb37e}.drawing{animation:shake .3s ease-in-out infinite}.result-symbol{font-size:70px;line-height:1.5;color:var(--gold);margin-top:5px}#result-title{font-family:serif;font-size:34px;letter-spacing:3px}.claim-card{background:#faf8f0;border:1px dashed #d6c9a6;border-radius:15px;padding:22px 18px;margin:25px 0}.redeem-code{font-family:ui-monospace,monospace;font-size:32px;letter-spacing:7px;margin:10px 0;color:var(--primary)}#claim-qr{max-width:160px;width:100%;height:auto;background:white;border-radius:8px}.claim-location{font-size:12px;text-align:left;margin-top:20px;border-top:1px solid var(--line);padding-top:15px}.claim-location p{margin:5px 0 12px;color:var(--muted)}.success-banner{padding:12px;background:#eaf3e3;color:#375c3f;border-radius:10px;font-size:13px}
.admin-body{background:#f5f6f0}.sidebar{position:fixed;left:0;top:0;bottom:0;width:230px;background:#fcfcf7;border-right:1px solid var(--line);padding:30px 22px;display:flex;flex-direction:column}.sidebar .brand{font-size:14px}.sidebar nav{display:grid;gap:7px;margin-top:45px}.nav-item{text-align:left;border:0;background:none;color:var(--muted);padding:13px 16px;border-radius:10px;font-size:14px}.nav-item.active{background:#e8efe3;color:var(--primary);font-weight:650}.sidebar-foot{margin-top:auto;display:flex;flex-direction:column;font-size:13px;gap:5px}.sidebar-foot small,.sidebar-foot a{color:var(--muted);font-size:11px}.admin-main{margin-left:230px;padding:35px 40px;max-width:1750px}.admin-header{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:25px}.admin-header h1{font-size:27px}.admin-header .eyebrow{font-size:10px;margin-bottom:5px}.pill{display:inline-block;border-radius:20px;padding:5px 13px;background:#e6eddf;color:var(--primary);font-size:11px;white-space:nowrap}.pill.warn{background:#fff0d6;color:#8c672d}.notice{background:#fff3d6;border:1px solid #eadfc0;border-radius:10px;padding:10px 15px;font-size:12px;color:#8d713c;margin-bottom:22px}.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:25px}.metric-grid article{background:#fffefa;border:1px solid var(--line);border-radius:14px;padding:20px 24px}.metric-grid span{font-size:12px;color:var(--muted)}.metric-grid strong{display:block;font-family:Georgia,serif;font-size:34px;font-weight:400;margin-top:8px}.content-card{background:#fffefa;border:1px solid var(--line);border-radius:17px;padding:25px}.content-card h2{font-size:19px}.content-card .muted{font-size:12px;margin:5px 0}.toolbar{display:flex;align-items:center;justify-content:space-between;gap:20px}.filters{display:flex;align-items:end;gap:12px;margin:18px 0;flex-wrap:wrap}.filters label{margin:0;font-size:11px;min-width:150px}.filters input,.filters select{min-height:39px;padding:8px 11px;font-size:12px}.filters .button{min-height:39px;font-size:12px}.table-scroll{overflow:auto}table{width:100%;border-collapse:collapse;font-size:12px;min-width:760px}th{text-align:left;color:#84907e;font-size:11px;font-weight:500;white-space:nowrap;padding:12px 10px;border-bottom:1px solid var(--line)}td{vertical-align:top;padding:17px 10px;border-bottom:1px solid #edf0e7}td strong{font-weight:600;font-size:13px}td small{display:block;color:var(--muted);margin-top:4px}td select,td input{font-size:11px;min-height:32px;padding:5px 8px;margin:0 0 6px}td .button{min-height:30px;font-size:10px;padding:5px 12px}.follow-editor{min-width:150px;max-width:220px}.empty{text-align:center;padding:50px;color:var(--muted);font-size:13px}.pagination{display:flex;align-items:center;justify-content:center;gap:15px;font-size:12px;margin-top:20px}.pagination .button{font-size:11px;min-height:35px;padding:7px 13px}.narrow-card{max-width:600px}.lookup-form{display:flex;align-items:end;gap:15px;margin:20px 0}.lookup-form label{flex:1;margin:0}.lookup-form .button{min-height:46px}.lookup-card{border:1px solid var(--line);border-radius:12px;padding:22px;margin-top:25px}.lookup-card dl{display:grid;grid-template-columns:100px 1fr;gap:10px;font-size:13px}.lookup-card dt{color:var(--muted)}.lookup-card dd{margin:0}.config-form{max-width:950px}.config-form details{margin:25px 0}.config-form summary{font-weight:600;font-size:13px;cursor:pointer}.config-form textarea{font-size:12px}.activity-controls{display:flex;gap:10px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:25px;margin-top:25px}.poster-results{display:flex;gap:20px;flex-wrap:wrap;margin-top:30px}.poster-results article{width:320px}.poster-results canvas{width:100%;border-radius:15px;box-shadow:var(--shadow)}.poster-results .button{margin-top:10px;width:100%}.badge{display:inline-block;padding:3px 8px;font-size:10px;border-radius:5px;background:#eff3e8;color:#476649}.wait{color:#b07837!important}
@keyframes spin{to{transform:rotate(360deg)}}@keyframes shake{0%,100%{transform:rotate(-3deg)}50%{transform:rotate(3deg)}}@media(max-width:1050px){.sidebar{width:190px;padding:25px 15px}.admin-main{margin-left:190px;padding:25px}.metric-grid{gap:10px}.metric-grid article{padding:16px}}@media(max-width:700px){.site-header{padding:20px 24px}.teacher-main{margin-top:18px;padding:0 20px}.hero-gift{height:235px}.panel{padding:25px 22px}.field-row{flex-direction:column;gap:0}.field-row label{margin:10px 0}.journey{gap:9px;font-size:10px}.sidebar{position:static;width:100%;padding:15px 20px;border-right:0;border-bottom:1px solid var(--line)}.sidebar .brand{font-size:13px}.sidebar nav{display:flex;overflow:auto;margin-top:16px;gap:5px}.nav-item{white-space:nowrap;padding:9px 12px;font-size:12px}.sidebar-foot{display:none}.admin-main{margin:0;padding:20px 15px}.admin-header h1{font-size:22px}.metric-grid{grid-template-columns:repeat(2,1fr)}.metric-grid article{padding:15px 18px}.metric-grid strong{font-size:29px}.content-card{padding:20px 15px}.toolbar{align-items:start}.toolbar .button{font-size:11px;padding:9px 13px;white-space:nowrap}.toolbar h2{font-size:16px}.filters label{min-width:125px}.filters{align-items:end}.filters .footnote{width:100%}.admin-header .eyebrow{font-size:8px}.lookup-form{flex-direction:column;align-items:stretch}.lookup-form label{width:100%}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important}}