:root{--ink:#405b53;--paper:#f8f6f2;--card:rgba(255,255,255,.72);--accent:#d98674;--mint:#dfeae5;--muted:#7d8581;--line:#dedbd4;--shadow:0 14px 36px rgba(72,88,81,.08);font-family:"Avenir Next","PingFang SC",sans-serif;color:var(--ink);background:#eff1ec}
*{box-sizing:border-box}
body{margin:0;min-height:100vh;background:radial-gradient(circle at 8% 3%,#f8ddd4 0,transparent 30%),radial-gradient(circle at 95% 12%,#dcebea 0,transparent 34%),#eff1ec}
button,input,textarea{font:inherit}
.app-shell{width:min(100%,480px);min-height:100vh;margin:auto;padding:28px 20px 110px;background:var(--paper);box-shadow:0 0 50px rgba(20,42,32,.08);position:relative}
.app-shell:before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.2;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='80' height='80'%3E%3Cfilter id='n'%3E%3CfeTurbulence baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.08'/%3E%3C/svg%3E")}
.eyebrow{font-size:11px;font-weight:800;letter-spacing:.16em;color:#839087;margin:0 0 5px}
h1,h2,p{margin-top:0}
h1{font-family:"Songti SC","STSong",serif;font-size:30px;letter-spacing:-.04em;margin-bottom:8px}
.lead{font-size:17px;color:var(--muted);line-height:1.6}
.brand-mark{width:70px;height:70px;border-radius:24px 24px 24px 8px;background:var(--ink);color:white;display:grid;place-items:center;font-size:34px;margin:18px 0 32px;transform:rotate(-3deg);box-shadow:8px 8px 0 var(--mint)}
.onboarding{padding-top:18px}
.paper-card{background:var(--card);border:1px solid rgba(255,255,255,.9);box-shadow:var(--shadow);backdrop-filter:blur(16px);border-radius:4px 20px 20px 20px}
.form-card{padding:22px;margin-top:28px}
label{display:block;font-size:14px;font-weight:700;margin-bottom:20px}
.hint{float:right;font-size:11px;color:var(--muted);font-weight:500}
input,textarea{display:block;width:100%;margin-top:8px;border:1.5px solid var(--line);border-radius:12px;padding:13px 14px;background:#fffef9;color:var(--ink);outline:none}
input:focus,textarea:focus{border-color:var(--ink);box-shadow:0 0 0 3px rgba(25,59,50,.1)}
textarea{resize:vertical;line-height:1.6}
.primary,.secondary{border:0;border-radius:14px;padding:15px 20px;font-weight:800;cursor:pointer}
.primary{background:var(--ink);color:white;box-shadow:0 6px 0 #0d2922}
.secondary{background:transparent;color:var(--ink);border:1.5px solid var(--ink)}
.full{width:100%}
.text-button{display:block;margin:16px auto 0;border:0;background:none;color:var(--muted);text-decoration:underline}
.privacy{text-align:center;color:#8d928e;font-size:12px;margin-top:22px}
.topbar,.session-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:26px}
.topbar h1,.session-head h1{margin:0}
.avatar{width:44px;height:44px;background:var(--mint);border-radius:50% 50% 45% 30%;display:grid;place-items:center;font-family:"Songti SC",serif;font-weight:800}
.hero{padding:20px;position:relative;margin-bottom:28px;background:rgba(255,255,255,.56);box-shadow:0 8px 24px rgba(72,88,81,.06)}
.hero h2{font-family:"Songti SC",serif;font-size:22px;margin-bottom:14px}
.hero>p{font-size:13px;color:var(--accent);font-weight:800}
.tape{position:absolute;top:-12px;right:40px;width:68px;height:24px;background:rgba(226,195,114,.5);transform:rotate(4deg)}
.hero .primary{padding:10px 15px;border-radius:11px;background:#dce9e4;color:var(--ink);box-shadow:none;border:1px solid rgba(64,91,83,.1)}
.roster-note{margin-top:14px;padding-top:12px;border-top:1px dashed var(--line);font-size:12px;color:var(--muted)}
.section-head{display:flex;justify-content:space-between;align-items:end;margin:26px 0 13px}
.section-head h2{font-size:18px;margin:0}
.section-head button,.section-head small{border:0;background:none;color:var(--muted);font-size:12px}
.record-list{display:grid;gap:10px}
.record-list.roomy{gap:14px}
.record-card{width:100%;display:flex;align-items:center;gap:13px;padding:15px;border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.6);text-align:left;color:var(--ink)}
.record-card div{display:grid;gap:4px;flex:1}
.record-card small{color:var(--muted)}
.status-dot{width:38px;height:38px;border-radius:12px;background:#f6d9d1;color:#a53c29;display:grid;place-items:center;font-weight:900}
.status-dot.done{background:var(--mint);color:var(--ink)}
.chevron{font-size:26px;color:#9ba19c}
.empty{text-align:center;padding:34px 20px;color:var(--muted);border:1px dashed var(--line);border-radius:16px}
.empty span{font-size:28px}
.empty.tall{padding:90px 20px}
.active-session{width:100%;background:rgba(218,233,227,.82);color:var(--ink);border:1px solid rgba(255,255,255,.9);box-shadow:var(--shadow);border-radius:18px;padding:18px;display:flex;justify-content:space-between;align-items:center;text-align:left;margin-bottom:18px}
.active-session div{display:grid;gap:3px}
.active-session span,.active-session small{color:var(--muted)}
.active-session b{font-size:24px}
.bottom-nav{position:fixed;z-index:10;bottom:0;left:50%;transform:translateX(-50%);width:min(100%,480px);padding:10px 28px calc(10px + env(safe-area-inset-bottom));display:flex;justify-content:space-around;background:rgba(255,253,247,.93);border-top:1px solid var(--line);backdrop-filter:blur(16px)}
.bottom-nav button{border:0;background:none;color:#89918c;font-size:11px;display:grid;gap:3px}
.bottom-nav span{font-size:22px}
.bottom-nav .active{color:var(--ink);font-weight:800}
.session-head p{font-size:12px;color:var(--muted);margin:0}
.icon-button,.finish,.export{border:0;background:none;color:var(--ink);font-weight:800}
.icon-button{font-size:36px;padding:0 10px 0 0}
.finish{color:var(--accent)}
.export{border:1px solid var(--line);padding:9px 12px;border-radius:10px}
.progress-card{background:rgba(255,255,255,.76);color:var(--ink);border:1px solid rgba(255,255,255,.95);box-shadow:var(--shadow);backdrop-filter:blur(18px);border-radius:4px 22px 22px;padding:22px;margin-bottom:16px}
.progress-copy{display:flex;align-items:baseline;gap:5px;flex-wrap:wrap}
.progress-copy strong{font-size:38px}
.progress-copy span{opacity:.7}
.progress-copy b{margin-left:auto;color:#b76555}
.progress-track{height:7px;background:#e5e7e2;border-radius:20px;margin-top:16px;overflow:hidden}
.progress-track i{display:block;height:100%;background:#d99989;border-radius:20px}
.chase-list{border-top:1px dashed #d7d9d3;margin-top:18px;padding-top:14px;display:flex;gap:7px;flex-wrap:wrap}
.chase-list small{width:100%;color:#b76555;font-weight:800}
.chase-list span{background:#f4e3dd;padding:7px 9px;border-radius:9px;font-size:13px}
.chase-list i{font-style:normal;opacity:.6;margin-right:5px}
.scan-button{background:#f3c9bd;color:#65443c;border:1px solid rgba(255,255,255,.8);border-radius:18px;padding:18px;display:grid;grid-template-columns:48px 1fr;column-gap:12px;margin:0 0 22px;box-shadow:0 5px 0 #ddb0a4;cursor:pointer}
.scan-button input{display:none}
.scan-button .camera-icon{grid-row:1/3;font-size:40px;line-height:1}
.scan-button small{opacity:.8}
.scan-button.complete{background:#d7e8e0;color:var(--ink);box-shadow:0 5px 0 #bdd4ca}
.tabs{display:grid;grid-template-columns:1fr 1fr;border-bottom:1px solid var(--line);margin-bottom:8px}
.tabs button{border:0;background:none;padding:12px;color:var(--muted);font-weight:700}
.tabs .active{color:var(--ink);border-bottom:3px solid var(--accent)}
.student-list{display:grid}
.student-row{border:0;border-bottom:1px solid #e5e0d4;background:transparent;display:flex;align-items:center;gap:12px;padding:14px 6px;color:var(--ink);text-align:left}
.student-row strong{flex:1}
.student-row>span:last-child{font-size:12px;color:var(--muted)}
.student-index{width:42px;height:32px;border-radius:9px;background:var(--mint);display:grid;place-items:center;font-size:12px;font-weight:800}
.compact{margin-bottom:24px}
.static{width:100%}
.celebrate{text-align:center;padding:55px 10px}
.celebrate div{width:68px;height:68px;background:var(--mint);border-radius:50%;display:grid;place-items:center;margin:auto;font-size:34px}
.celebrate h2{font-family:"Songti SC",serif;margin:18px 0 8px}
.celebrate p{color:var(--muted)}
.scan-preview{height:190px;border-radius:18px;overflow:hidden;position:relative;background:#ddd}
.scan-preview img{width:100%;height:100%;object-fit:cover}
.scan-preview span{position:absolute;top:12px;left:12px;background:rgba(25,59,50,.85);color:white;padding:6px 9px;border-radius:8px;font-size:11px}
.notice{margin:14px 0;background:#fff0c9;border-radius:12px;padding:12px;display:grid;gap:3px;font-size:12px}
.notice span{color:#716440}
.candidate-list{display:grid;gap:10px}
.candidate{display:flex;align-items:center;gap:12px;border:1.5px solid var(--line);border-radius:14px;background:white;padding:13px;text-align:left;color:var(--ink)}
.candidate>span{width:34px;height:34px;border-radius:50%;background:#eee;display:grid;place-items:center}
.candidate.selected{border-color:var(--ink);background:#eef3ec}
.candidate.selected>span{background:var(--ink);color:white}
.candidate div{display:grid;gap:3px}
.candidate small{color:var(--muted)}
.sticky-action{margin-top:22px}
.class-card{padding:24px;margin-bottom:18px}
.class-card p{color:var(--muted);margin-bottom:8px}
.class-card h2{font-family:"Songti SC",serif;font-size:26px;margin-bottom:8px}
.import-grid{display:grid;gap:12px;margin:28px 0 10px}
.import-card{margin:0;padding:20px;display:grid;grid-template-columns:52px 1fr;column-gap:14px;background:rgba(255,255,255,.7);border:1px solid rgba(255,255,255,.95);border-radius:18px;box-shadow:var(--shadow);cursor:pointer}
.import-card input,.editor-import input{display:none}
.import-card>span{grid-row:1/3;width:48px;height:48px;display:grid;place-items:center;border-radius:15px;background:#dfeae5;font-size:27px}
.import-card.camera>span{background:#f4d8d0}
.import-card strong{font-size:16px;align-self:end}
.import-card small{color:var(--muted);margin-top:3px}
.roster-editor{padding-bottom:30px}
.editor-head{display:flex;justify-content:space-between;align-items:center;margin:24px 0 10px}
.editor-head button{border:0;background:#dfeae5;color:var(--ink);border-radius:10px;padding:8px 11px;font-weight:700}
.editor-rows{display:grid;gap:8px;margin-bottom:15px}
.editor-row{display:grid;grid-template-columns:34% 1fr 34px;gap:8px;align-items:center}
.editor-row input{margin:0;padding:11px}
.editor-row button{width:32px;height:32px;border:0;border-radius:50%;background:#f4e3dd;color:#a95f50;font-size:20px}
.editor-import{margin:15px 0 22px;padding:13px;border:1px dashed var(--line);border-radius:13px;display:flex;justify-content:space-between;align-items:center;gap:10px;color:var(--muted);font-size:11px}
.editor-import label{margin:0;white-space:nowrap;background:#eef3f0;color:var(--ink);padding:8px;border-radius:9px;font-size:12px}
.loading-screen{min-height:70vh;display:grid;place-content:center;text-align:center}
.loading-screen h1{font-size:24px;margin:20px 0 5px}
.loading-screen p{color:var(--muted)}
.spinner{width:54px;height:54px;border:5px solid #e1e6e2;border-top-color:#d98674;border-radius:50%;margin:auto;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
#toast{position:fixed;z-index:30;left:50%;bottom:92px;transform:translate(-50%,20px);background:#102b24;color:white;padding:10px 18px;border-radius:99px;opacity:0;transition:.2s;pointer-events:none;white-space:nowrap}
#toast.show{opacity:1;transform:translate(-50%,0)}
@media(min-width:600px){.app-shell{margin:24px auto;min-height:calc(100vh - 48px);border-radius:28px}
.bottom-nav{bottom:24px;border-radius:0 0 28px 28px}
}