@font-face{font-family:"DM Serif Display";font-style:normal;font-display:swap;font-weight:400;src:url(/assets/dm-serif-display-latin-ext-400-normal-p18AlW_x.woff2) format("woff2"),url(/assets/dm-serif-display-latin-ext-400-normal-B1toqZab.woff) format("woff");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:"DM Serif Display";font-style:normal;font-display:swap;font-weight:400;src:url(/assets/dm-serif-display-latin-400-normal-C5_t9oOD.woff2) format("woff2"),url(/assets/dm-serif-display-latin-400-normal-_kVFYEpx.woff) format("woff");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Karla;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/karla-latin-ext-400-normal-DQe2ZdED.woff2) format("woff2"),url(/assets/karla-latin-ext-400-normal-CMxStcnq.woff) format("woff");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Karla;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/karla-latin-400-normal-C_jajTY_.woff2) format("woff2"),url(/assets/karla-latin-400-normal-iWRxgclR.woff) format("woff");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Karla;font-style:normal;font-display:swap;font-weight:500;src:url(/assets/karla-latin-ext-500-normal-BQGx_UZ6.woff2) format("woff2"),url(/assets/karla-latin-ext-500-normal-BR9CgtUN.woff) format("woff");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Karla;font-style:normal;font-display:swap;font-weight:500;src:url(/assets/karla-latin-500-normal-6wzn_4WC.woff2) format("woff2"),url(/assets/karla-latin-500-normal-BWjg-GL4.woff) format("woff");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Karla;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/karla-latin-ext-600-normal-CIPY_Mp5.woff2) format("woff2"),url(/assets/karla-latin-ext-600-normal-Cf-uwXr_.woff) format("woff");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Karla;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/karla-latin-600-normal-BH_u9dis.woff2) format("woff2"),url(/assets/karla-latin-600-normal-BAoyHYuk.woff) format("woff");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Karla;font-style:normal;font-display:swap;font-weight:700;src:url(/assets/karla-latin-ext-700-normal-DnPH2EDB.woff2) format("woff2"),url(/assets/karla-latin-ext-700-normal-eTNnM7bB.woff) format("woff");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Karla;font-style:normal;font-display:swap;font-weight:700;src:url(/assets/karla-latin-700-normal-DFuMffT3.woff2) format("woff2"),url(/assets/karla-latin-700-normal-CospC10L.woff) format("woff");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Karla;font-style:normal;font-display:swap;font-weight:800;src:url(/assets/karla-latin-ext-800-normal-BfKv8D4q.woff2) format("woff2"),url(/assets/karla-latin-ext-800-normal-rTKgNJGW.woff) format("woff");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Karla;font-style:normal;font-display:swap;font-weight:800;src:url(/assets/karla-latin-800-normal-D8prfxci.woff2) format("woff2"),url(/assets/karla-latin-800-normal-D9TMx7ol.woff) format("woff");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}:root{--bg: #f3f4f6;--surface: #ffffff;--border: #e5e7eb;--border-strong: #d1d5db;--text: #1f2937;--muted: #6b7280;--faint: #9ca3af;--yellow: #fcc934;--yellow-dark: #f2b705;--blue: #3d8af7;--blue-dark: #2f6fd6;--green: #1fc16b;--green-dark: #17a65a;--red: #ef233c;--red-bg: #ffe3e6;--purple: #7c5cfc;--pink: #e64980;--sidebar-w: 232px;--radius: 8px;--shadow: 0 1px 2px rgba(16, 24, 40, .05);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--text);font-size:14px;line-height:1.45}*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--bg)}body{-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit;color:inherit}img{max-width:100%;display:block}h1,h2,h3,h4{margin:0;letter-spacing:-.01em}.app{display:flex;min-height:100vh}.sidebar{width:var(--sidebar-w);background:var(--surface);border-right:1px solid var(--border);position:fixed;inset:0 auto 0 0;display:flex;flex-direction:column;z-index:30;transition:width .2s}.sidebar.collapsed{width:64px}.sidebar.collapsed .nav-label,.sidebar.collapsed .nav-section,.sidebar.collapsed .logo-text{display:none}.logo{display:flex;align-items:baseline;gap:2px;padding:22px 20px 18px;font-weight:800;font-size:24px;letter-spacing:-.03em}.logo-dot{width:8px;height:8px;border-radius:50%;background:var(--yellow);display:inline-block;margin-left:2px}.logo small{font-weight:600;font-size:11px;color:var(--muted);letter-spacing:0;margin-left:6px}.sidebar nav{flex:1;overflow-y:auto;padding:4px 0 12px}.nav-section{font-size:10.5px;font-weight:700;color:#374151;text-transform:uppercase;letter-spacing:.06em;padding:14px 20px 6px}.nav-item{display:flex;align-items:center;gap:11px;padding:7px 20px;color:#374151;font-size:13.5px;border-left:3px solid transparent;position:relative;cursor:pointer;background:none;border-top:0;border-right:0;border-bottom:0;width:100%;text-align:left}.nav-item svg{width:17px;height:17px;color:#4b5563;flex-shrink:0}.nav-item:hover{background:#f9fafb}.nav-item.active{border-left-color:var(--yellow);font-weight:600;color:var(--text);background:#fffbeb}.nav-item .count{margin-left:auto;background:var(--red);color:#fff;border-radius:10px;font-size:11px;font-weight:700;padding:0 7px;line-height:18px}.sidebar-bottom{border-top:1px solid var(--border);padding:8px 0}.collapse-btn{display:flex;justify-content:flex-end;padding:8px 18px;background:none;border:0;cursor:pointer;color:var(--muted);width:100%}.main{flex:1;margin-left:var(--sidebar-w);min-width:0;transition:margin-left .2s}.sidebar.collapsed+.main{margin-left:64px}.topbar{display:flex;align-items:center;gap:14px;padding:16px 28px 14px;position:sticky;top:0;z-index:20;background:#f3f4f6eb;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.topbar h1{font-size:22px;font-weight:800;flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.content{padding:4px 28px 40px}.icon-btn{position:relative;width:38px;height:38px;display:grid;place-items:center;border-radius:8px;border:0;background:transparent;cursor:pointer;color:#374151}.icon-btn:hover{background:#e5e7eb}.icon-btn svg{width:19px;height:19px}.icon-btn .dot{position:absolute;top:5px;right:5px;min-width:16px;height:16px;padding:0 4px;border-radius:8px;background:var(--red);color:#fff;font-size:10px;font-weight:700;display:grid;place-items:center}.class-select{display:flex;align-items:center;gap:8px;border:1px solid var(--border-strong);border-radius:7px;background:var(--surface);padding:6px 10px;font-size:12.5px;font-weight:600;cursor:pointer}.class-select select{border:0;background:transparent;font-weight:600;font-size:12.5px;outline:none;cursor:pointer}.class-select svg{width:16px;height:16px}.user-btn{display:flex;align-items:center;gap:4px;background:none;border:0;cursor:pointer;padding:4px;border-radius:8px}.user-btn:hover{background:#e5e7eb}.user-mark{font-weight:900;font-size:26px;line-height:1;position:relative;letter-spacing:-.04em}.user-mark:after{content:"";position:absolute;width:6px;height:6px;border-radius:50%;background:var(--yellow);right:-7px;bottom:3px}.user-btn svg{width:15px;height:15px;margin-left:8px;color:var(--muted)}.dropdown{position:absolute;right:0;top:calc(100% + 6px);background:var(--surface);border:1px solid var(--border);border-radius:10px;box-shadow:0 12px 32px #0000001f;min-width:240px;z-index:50;overflow:hidden}.dropdown .dd-head{padding:12px 14px;border-bottom:1px solid var(--border);font-size:13px}.dropdown .dd-head b{display:block}.dropdown .dd-item{display:flex;gap:10px;align-items:center;width:100%;padding:10px 14px;background:none;border:0;cursor:pointer;text-align:left;font-size:13px}.dropdown .dd-item:hover{background:#f9fafb}.dropdown .dd-item svg{width:16px;height:16px;color:var(--muted)}.rel{position:relative}.hero-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:10px}.hero{border-radius:var(--radius);padding:16px 18px 12px;position:relative;overflow:hidden;display:flex;flex-direction:column;min-height:132px}.hero:after{content:"";position:absolute;width:260px;height:260px;border-radius:50%;right:-90px;top:-70px;background:#ffffff14;pointer-events:none}.hero.yellow{background:var(--yellow);color:#2b2100}.hero.blue{background:var(--blue);color:#fff}.hero.green{background:var(--green);color:#fff}.hero.red{background:var(--red);color:#fff}.hero-head{display:flex;align-items:center;gap:10px;margin-bottom:12px}.hero-icon{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:#ffffff40}.hero.yellow .hero-icon{background:#00000014}.hero-icon svg{width:16px;height:16px}.hero-title{font-size:17px;font-weight:800}.hero-title span{font-weight:500;font-size:13.5px;margin-left:4px}.hero-body{font-size:12.5px;flex:1}.hero-body b{font-weight:700}.progress{height:9px;background:#ffffff59;border-radius:6px;overflow:hidden;margin:10px 0}.hero.yellow .progress{background:#ffffff8c}.progress>div{height:100%;background:#fff;border-radius:6px;transition:width .4s}.hero-link{text-align:center;font-size:12.5px;font-weight:500;display:flex;align-items:center;justify-content:center;gap:6px;opacity:.95;position:relative;z-index:1}.hero-link:hover{text-decoration:underline}.hero-link svg{width:14px;height:14px}.panel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);display:flex;flex-direction:column;min-width:0}.panel.tall{height:470px}.panel-head{display:flex;align-items:center;gap:8px;padding:12px 14px;border-bottom:1px solid var(--border);font-weight:700;font-size:13px}.panel-head svg{width:16px;height:16px}.panel-head .spacer{flex:1}.panel-body{flex:1;overflow-y:auto}.panel-foot{padding:8px;border-top:1px solid var(--border)}.group-label{background:#f9fafb;padding:6px 14px;font-size:11.5px;color:#4b5563;border-bottom:1px solid var(--border);text-transform:capitalize}.row{display:flex;align-items:center;gap:11px;padding:10px 14px;border-bottom:1px solid #f1f3f5;cursor:pointer}.row:hover{background:#fafafa}.row:last-child{border-bottom:0}.row-main{flex:1;min-width:0}.row-title{font-weight:600;font-size:12.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.row-sub{color:var(--muted);font-size:11.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.row-text{font-size:12.5px;margin-top:4px;color:#374151;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.round-icon{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;flex-shrink:0}.round-icon svg{width:16px;height:16px}.ri-pink{background:#ffe3ec;color:var(--pink)}.ri-purple{background:#ede7ff;color:var(--purple)}.ri-green{background:#d3f9e1;color:var(--green-dark)}.ri-blue{background:#dbeafe;color:var(--blue-dark)}.ri-yellow{background:#fff3c4;color:#b07d00}.ri-red{background:var(--red-bg);color:var(--red)}.avatar{width:34px;height:34px;border-radius:50%;color:#fff;font-weight:700;font-size:12.5px;display:grid;place-items:center;flex-shrink:0;text-transform:uppercase}.avatar.sm{width:28px;height:28px;font-size:11px}.avatar.lg{width:52px;height:52px;font-size:18px}.thumb{width:52px;height:52px;border-radius:6px;object-fit:cover;background:#eee;flex-shrink:0}.note-pill{min-width:44px;height:30px;padding:0 8px;border-radius:7px;display:grid;place-items:center;font-weight:800;font-size:12.5px;color:#fff;flex-shrink:0}.note-a{background:var(--green)}.note-b{background:var(--blue)}.note-c{background:var(--yellow);color:#3b2c00}.note-d{background:var(--red)}.note-none{background:#e5e7eb;color:var(--muted)}.empty{padding:30px 16px;text-align:center;color:var(--faint);font-size:13px}.empty svg{width:30px;height:30px;margin-bottom:6px;opacity:.6}.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;border-radius:7px;border:1px solid var(--border-strong);background:var(--surface);padding:8px 14px;font-weight:600;font-size:13px;cursor:pointer;white-space:nowrap}.btn:hover{background:#f9fafb}.btn:disabled{opacity:.5;cursor:not-allowed}.btn svg{width:16px;height:16px}.btn-block{width:100%}.btn-ghost{border-color:var(--border);font-weight:500}.btn-primary{background:var(--text);color:#fff;border-color:var(--text)}.btn-primary:hover{background:#111827}.btn-yellow{background:var(--yellow);border-color:var(--yellow-dark);color:#2b2100}.btn-yellow:hover{background:var(--yellow-dark)}.btn-blue{background:var(--blue);border-color:var(--blue);color:#fff}.btn-blue:hover{background:var(--blue-dark)}.btn-green{background:var(--green);border-color:var(--green);color:#fff}.btn-green:hover{background:var(--green-dark)}.btn-danger{color:var(--red);border-color:#fecdd3}.btn-danger:hover{background:#fff1f2}.btn-sm{padding:5px 10px;font-size:12px}.btn-gray{background:#e9ecef;border-color:#e9ecef;font-weight:500}.btn-gray:hover{background:#dee2e6}.field{display:flex;flex-direction:column;gap:5px;margin-bottom:14px}.field label{font-size:12.5px;font-weight:600;color:#374151}.field .hint{font-size:11.5px;color:var(--muted)}.input,.textarea,.select{border:1px solid var(--border-strong);border-radius:7px;padding:9px 11px;background:#fff;width:100%;outline:none;font-size:14px}.input:focus,.textarea:focus,.select:focus{border-color:var(--blue);box-shadow:0 0 0 3px #3d8af726}.textarea{min-height:110px;resize:vertical}.search{display:flex;align-items:center;gap:8px;border:1px solid var(--border);border-radius:7px;background:#fff;padding:8px 12px}.search input{border:0;outline:none;flex:1;background:transparent;font-size:14px;min-width:0}.search svg{width:17px;height:17px;color:var(--muted)}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}.chips{display:flex;flex-wrap:wrap;gap:7px}.chip{border:1px solid var(--border-strong);border-radius:20px;padding:5px 12px;font-size:12.5px;cursor:pointer;background:#fff;font-weight:500;-webkit-user-select:none;user-select:none}.chip.on{background:var(--text);border-color:var(--text);color:#fff}.alert{border-radius:8px;padding:10px 14px;font-size:13px;margin-bottom:14px;display:flex;gap:10px;align-items:flex-start}.alert svg{width:18px;height:18px;flex-shrink:0;margin-top:1px}.alert-error{background:#fff1f2;color:#be123c;border:1px solid #fecdd3}.alert-ok{background:#ecfdf3;color:#067647;border:1px solid #abefc6}.alert-info{background:#eff6ff;color:#1e40af;border:1px solid #bfdbfe}.alert-warn{background:#fffbeb;color:#92400e;border:1px solid #fde68a}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px}.card+.card{margin-top:12px}.card-title{font-weight:700;font-size:15px;margin-bottom:12px;display:flex;align-items:center;gap:8px}.card-title svg{width:18px;height:18px}.badge{display:inline-flex;align-items:center;gap:4px;padding:2px 8px;border-radius:20px;font-size:11px;font-weight:700;white-space:nowrap}.badge-green{background:#d3f9e1;color:#087f43}.badge-gray{background:#e9ecef;color:#495057}.badge-blue{background:#dbeafe;color:#1d4ed8}.badge-yellow{background:#fff3c4;color:#8a6100}.badge-red{background:var(--red);color:#fff}.st{font-size:11px;font-weight:800;padding:3px 9px;border-radius:5px;white-space:nowrap;letter-spacing:.02em}.st-ok{background:#d3f9e1;color:#087f43}.st-wait{background:#fff3c4;color:#8a6100}.st-missing{background:var(--red);color:#fff;box-shadow:0 0 0 2px #ef233c33}.row-missing{background:#fff5f6}.row-missing .row-title{color:var(--red)}.toolbar{display:flex;gap:10px;align-items:center;margin-bottom:14px;flex-wrap:wrap}.toolbar .grow{flex:1}table.table{width:100%;border-collapse:collapse;background:#fff}.table th{text-align:left;font-size:11.5px;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.04em;padding:10px 12px;border-bottom:1px solid var(--border);background:#f9fafb}.table td{padding:10px 12px;border-bottom:1px solid #f1f3f5;font-size:13px;vertical-align:middle}.table tr.click{cursor:pointer}.table tr.click:hover td{background:#fafafa}.table-wrap{background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow-x:auto}.mini-progress{height:6px;background:#e9ecef;border-radius:4px;overflow:hidden;min-width:80px}.mini-progress>div{height:100%;background:var(--green)}.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:14px}.stat{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:12px 14px}.stat .v{font-size:22px;font-weight:800}.stat .l{font-size:12px;color:var(--muted)}.stat.red .v{color:var(--red)}.stat.green .v{color:var(--green-dark)}.a-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:10px}.a-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:14px 16px;cursor:pointer;display:flex;flex-direction:column;gap:8px}.a-card:hover{border-color:var(--border-strong);box-shadow:0 4px 14px #0000000d}.a-card h3{font-size:15px;font-weight:700}.a-card .meta{display:flex;gap:6px;flex-wrap:wrap;align-items:center;color:var(--muted);font-size:12px}.a-card .meta svg{width:14px;height:14px}.a-card.missing{border-color:var(--red);box-shadow:inset 4px 0 0 var(--red)}.correction{display:grid;grid-template-columns:260px 1fr 320px;gap:10px;align-items:start}.stud-list{position:sticky;top:76px;max-height:calc(100vh - 96px);display:flex;flex-direction:column}.stud-list .panel-body{max-height:calc(100vh - 150px)}.stud-item{display:flex;align-items:center;gap:9px;padding:8px 12px;border-bottom:1px solid #f1f3f5;cursor:pointer;font-size:12.5px}.stud-item:hover{background:#fafafa}.stud-item.active{background:#fffbeb;box-shadow:inset 3px 0 0 var(--yellow);font-weight:600}.stud-item.missing{background:#fff5f6;color:var(--red);font-weight:700}.stud-item.missing.active{background:#ffe3e6}.stud-item .n{margin-left:auto;font-size:11px;font-weight:700;color:var(--muted)}.dotst{width:9px;height:9px;border-radius:50%;flex-shrink:0}.dot-ok{background:var(--green)}.dot-wait{background:var(--yellow)}.dot-missing{background:var(--red)}.nav-pn{display:flex;gap:8px;align-items:center;margin-bottom:10px}.nav-pn .who{flex:1;text-align:center;font-weight:700;font-size:15px}.photos{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:8px}.photo{position:relative;border-radius:8px;overflow:hidden;background:#e9ecef;aspect-ratio:4 / 3;cursor:zoom-in}.photo img{width:100%;height:100%;object-fit:cover}.photo .del{position:absolute;top:6px;right:6px;width:30px;height:30px;border-radius:50%;border:0;background:#000000a6;color:#fff;display:grid;place-items:center;cursor:pointer}.photo .del svg{width:15px;height:15px}.photo-main{border-radius:8px;overflow:hidden;background:#111;display:grid;place-items:center;cursor:zoom-in;max-height:62vh}.photo-main img{max-height:62vh;width:auto;margin:auto}.thumbs{display:flex;gap:6px;margin-top:8px;overflow-x:auto}.thumbs img{width:70px;height:54px;object-fit:cover;border-radius:5px;cursor:pointer;opacity:.6;border:2px solid transparent}.thumbs img.on{opacity:1;border-color:var(--yellow)}.missing-banner{background:var(--red);color:#fff;border-radius:8px;padding:26px 18px;text-align:center;font-weight:800;font-size:20px;letter-spacing:.03em}.missing-banner small{display:block;font-weight:500;font-size:13px;letter-spacing:0;margin-top:4px;opacity:.9}.history{font-size:12px;color:var(--muted)}.history div{padding:3px 0}.big-note{display:flex;align-items:center;gap:6px}.big-note input{font-size:22px;font-weight:800;width:100px;text-align:center}.big-note span{font-size:20px;font-weight:700;color:var(--muted)}.dropzone{border:2px dashed var(--border-strong);border-radius:10px;padding:26px 16px;text-align:center;cursor:pointer;background:#fafafa}.dropzone:hover,.dropzone.over{border-color:var(--blue);background:#eff6ff}.dropzone svg{width:32px;height:32px;color:var(--muted)}.msg-layout{display:grid;grid-template-columns:320px 1fr;gap:10px;height:calc(100vh - 110px)}.msg-layout .panel{overflow:hidden}.thread{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:8px;background:#fafafa}.bubble{max-width:74%;padding:9px 13px;border-radius:14px;font-size:13.5px;white-space:pre-wrap;word-wrap:break-word}.bubble.me{align-self:flex-end;background:var(--blue);color:#fff;border-bottom-right-radius:4px}.bubble.them{align-self:flex-start;background:#fff;border:1px solid var(--border);border-bottom-left-radius:4px}.bubble .t{font-size:10.5px;opacity:.7;margin-top:3px}.bubble .ref{font-size:11px;font-weight:700;opacity:.85;margin-bottom:3px}.composer{display:flex;gap:8px;padding:10px;border-top:1px solid var(--border);align-items:flex-end}.composer textarea{flex:1;min-height:42px;max-height:140px;resize:none}.unread{background:var(--blue);color:#fff;border-radius:10px;font-size:11px;font-weight:700;padding:0 7px;line-height:18px}.modal-bg{position:fixed;top:0;right:0;bottom:0;left:0;background:#11182773;z-index:100;display:grid;place-items:center;padding:16px}.modal{background:#fff;border-radius:12px;width:100%;max-width:560px;max-height:90vh;overflow-y:auto;box-shadow:0 24px 60px #00000040}.modal-head{display:flex;align-items:center;padding:16px 18px;border-bottom:1px solid var(--border);font-weight:700;font-size:16px}.modal-head .icon-btn{margin-left:auto}.modal-body{padding:18px}.modal-foot{padding:12px 18px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:8px}.lightbox{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000eb;z-index:200;display:grid;place-items:center}.lightbox img{max-width:96vw;max-height:90vh;object-fit:contain}.lightbox .lb-btn{position:absolute;top:50%;transform:translateY(-50%);width:46px;height:46px;border-radius:50%;border:0;background:#ffffff26;color:#fff;cursor:pointer;display:grid;place-items:center}.lightbox .lb-btn:hover{background:#ffffff4d}.lightbox .lb-prev{left:16px}.lightbox .lb-next{right:16px}.lightbox .lb-close{position:absolute;top:14px;right:14px}.lightbox .lb-count{position:absolute;bottom:16px;color:#fff;font-size:13px;opacity:.8}.login-page{min-height:100vh;display:grid;grid-template-columns:1.1fr 1fr}.login-art{background:var(--yellow);position:relative;overflow:hidden;display:flex;flex-direction:column;justify-content:flex-end;padding:48px}.login-art .blob{position:absolute;border-radius:50%}.login-art h2{font-size:40px;font-weight:900;line-height:1.05;position:relative;letter-spacing:-.03em}.login-art p{position:relative;font-size:16px;max-width:420px}.login-form{display:grid;place-items:center;padding:32px 20px;background:#fff}.login-box{width:100%;max-width:360px}.login-box .logo{padding:0 0 26px;font-size:32px}.toast{position:fixed;bottom:20px;left:50%;transform:translate(-50%);background:var(--text);color:#fff;padding:10px 18px;border-radius:8px;z-index:300;font-size:13px;box-shadow:0 8px 24px #0003}.mobile-only,.bottom-nav{display:none}.muted{color:var(--muted)}.small{font-size:12px}.mt{margin-top:14px}.mb{margin-bottom:14px}.flex{display:flex;gap:10px;align-items:center}.wrap{flex-wrap:wrap}.between{justify-content:space-between}.pre{white-space:pre-wrap}.section-title{font-size:13px;font-weight:700;margin:18px 0 8px;color:#374151;text-transform:uppercase;letter-spacing:.04em}.two-col{display:grid;grid-template-columns:1.6fr 1fr;gap:12px;align-items:start}.spinner{width:22px;height:22px;border:3px solid #e5e7eb;border-top-color:var(--blue);border-radius:50%;animation:spin .7s linear infinite;margin:30px auto}@keyframes spin{to{transform:rotate(360deg)}}@media (max-width: 1280px){.correction{grid-template-columns:230px 1fr}.correction .grade-col{grid-column:2}}@media (max-width: 1100px){.panel-grid{grid-template-columns:1fr 1fr}.panel-grid .panel:last-child{grid-column:span 2}.two-col{grid-template-columns:1fr}}@media (max-width: 860px){.sidebar{display:none}.main,.sidebar.collapsed+.main{margin-left:0}.topbar{padding:14px 14px 10px;background:var(--bg)}.topbar h1{font-size:21px}.content{padding:2px 14px 96px}.hide-mobile{display:none!important}.mobile-only{display:block}.hero-grid,.panel-grid{grid-template-columns:1fr}.panel-grid .panel:last-child{grid-column:auto}.panel.tall{height:auto;max-height:460px}.hero{min-height:0}.stat-strip{grid-template-columns:1fr 1fr}.form-row,.correction{grid-template-columns:1fr}.correction .grade-col{grid-column:auto}.stud-list{position:static;max-height:260px}.stud-list .panel-body{max-height:200px}.msg-layout{grid-template-columns:1fr;height:calc(100vh - 150px)}.msg-layout.has-thread .conv-list{display:none}.msg-layout:not(.has-thread) .thread-panel{display:none}.login-page{grid-template-columns:1fr}.login-art{display:none}.bottom-nav{display:flex;position:fixed;bottom:0;left:0;right:0;background:#fff;border-top:1px solid var(--border);z-index:40;padding:8px 10px calc(8px + env(safe-area-inset-bottom));justify-content:space-around}.bottom-nav a,.bottom-nav button{width:46px;height:42px;border-radius:10px;display:grid;place-items:center;color:#4b5563;position:relative;background:none;border:0}.bottom-nav a.active{background:var(--yellow);color:#1f2937}.bottom-nav svg{width:22px;height:22px}.bottom-nav .dot{position:absolute;top:3px;right:4px;width:9px;height:9px;border-radius:50%;background:var(--red)}.mobile-menu{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;z-index:60;display:flex;align-items:flex-end}.mobile-menu .sheet{background:#fff;width:100%;border-radius:16px 16px 0 0;padding:8px 0 calc(16px + env(safe-area-inset-bottom));max-height:80vh;overflow-y:auto}.mobile-menu .nav-item{padding:12px 22px;font-size:15px}.mobile-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:10px 0}}.media-thumb{position:relative;overflow:hidden;background:#e9ecef;cursor:zoom-in}.media-thumb img{width:100%;height:100%;object-fit:cover}.media-thumb .play{position:absolute;left:6px;bottom:6px;display:flex;align-items:center;gap:4px;background:#000000b3;color:#fff;border-radius:12px;padding:2px 8px 2px 5px;font-size:11px;font-weight:700}.media-thumb .play svg{width:13px;height:13px;fill:#fff}.media-state{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;text-align:center;background:#eff6ff;color:#1e40af;font-size:11.5px;padding:8px;border-radius:8px;aspect-ratio:4 / 3}.media-state.error{background:var(--red-bg);color:var(--red)}.media-state svg{width:22px;height:22px}.spin{animation:spin 1.2s linear infinite}.photo.media-thumb,.photo.media-state{border-radius:8px;aspect-ratio:4 / 3}.photo-main video,.photo-main img{max-height:62vh;max-width:100%;width:auto;margin:auto;display:block}.photo-main video{width:100%;background:#000}.photo-main .media-state{width:100%;aspect-ratio:16 / 9;border-radius:0}.thumbs .thumb-sm{width:70px;height:54px;flex-shrink:0;border-radius:5px;opacity:.6;border:2px solid transparent;cursor:pointer;aspect-ratio:auto;padding:2px}.thumbs .thumb-sm.on{opacity:1;border-color:var(--yellow)}.thumbs .thumb-sm span:not(.play){display:none}.thumbs .thumb-sm .play{left:3px;bottom:3px;padding:1px 4px;font-size:9px}.lightbox .lb-media{max-width:96vw;max-height:90vh;object-fit:contain;display:block}.lightbox video.lb-media{background:#000}.conv-list{display:flex;min-height:0}.conv-list>.panel{flex:1}@media (max-width: 860px){.msg-layout{height:calc(100dvh - 150px)}}.class-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px}.class-card{position:relative;display:flex;flex-direction:column;align-items:flex-start;gap:2px;text-align:left;cursor:pointer;background:#fff;border:2px solid var(--border);border-radius:10px;padding:14px 14px 12px}.class-card:hover{border-color:var(--border-strong)}.class-card.on{border-color:var(--yellow-dark);background:#fffbeb}.cc-check{position:absolute;top:10px;right:10px;width:22px;height:22px;border-radius:6px;border:2px solid var(--border-strong);display:grid;place-items:center;background:#fff}.class-card.on .cc-check{background:var(--yellow);border-color:var(--yellow-dark)}.cc-check svg{width:15px;height:15px}.cc-name{font-weight:800;font-size:18px}.cc-sub{font-size:11.5px;color:var(--muted)}.doc{max-width:900px}.doc h2{font-size:18px;margin:22px 0 8px;display:flex;align-items:center;gap:8px}.doc h2 svg{width:20px;height:20px}.doc h3{font-size:14.5px;margin:16px 0 6px}.doc p,.doc li{font-size:14px;line-height:1.6}.doc ol,.doc ul{padding-left:22px;margin:6px 0}.doc .tip{background:#fffbeb;border-left:4px solid var(--yellow);padding:8px 12px;border-radius:4px;margin:10px 0;font-size:13.5px}.doc kbd{background:#f3f4f6;border:1px solid var(--border-strong);border-radius:4px;padding:0 5px;font-size:12px}.tabs{display:flex;gap:4px;border-bottom:1px solid var(--border);margin-bottom:14px;overflow-x:auto}.tab{padding:9px 14px;border:0;background:none;cursor:pointer;font-weight:600;color:var(--muted);border-bottom:3px solid transparent;white-space:nowrap}.tab.on{color:var(--text);border-bottom-color:var(--yellow)}.release{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:16px 18px;margin-bottom:12px}.release-head{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap;margin-bottom:8px}.release-head b{font-size:16px}.release ul{margin:4px 0 0;padding-left:0;list-style:none}.release li{display:flex;gap:8px;align-items:flex-start;padding:4px 0;font-size:13.5px}.release li .badge{flex-shrink:0;min-width:78px;justify-content:center}.public-page{min-height:100vh;background:var(--bg);padding:24px 16px}.public-page .card{max-width:860px;margin:0 auto}.nav-item .count.new{background:var(--yellow);color:#2b2100;font-size:10px}:root{--bg: #fff6ea;--surface: #ffffff;--mist: #ffeccf;--mark: #ffd89b;--border: #f1dcc3;--border-strong: #e6c7a2;--text: #2d2a32;--muted: #6f6570;--faint: #a3949b;--primary: #1d5c7a;--primary-deep: #134257;--highlight: #f2a541;--highlight-deep: #dd8c22;--terra: #c8553d;--terra-deep: #a8432e;--yellow: var(--highlight);--yellow-dark: var(--highlight-deep);--blue: var(--primary);--blue-dark: var(--primary-deep);--green: #2e8b57;--green-dark: #23714a;--red: #e0233a;--red-bg: #ffe1e3;--purple: #7a5aa6;--pink: var(--terra);--radius: 18px;--btn-radius: 999px;--shadow-warm: 0 16px 30px -24px rgba(120, 60, 20, .6);--shadow-soft: 0 8px 20px -16px rgba(120, 60, 20, .6);--head-font: "DM Serif Display", Georgia, serif;--body-font: "Karla", "Segoe UI", system-ui, sans-serif;font-family:var(--body-font);font-size:14.5px}html,body{background:var(--bg)}::selection{background:var(--mark)}:focus-visible{outline:3px solid var(--highlight);outline-offset:2px}.topbar h1,.hero-title,.card-title,.logo,.modal-head,.login-art h2,.doc h2,.release-head b,.who,.cc-name,.stat .v{font-family:var(--head-font);font-weight:400;letter-spacing:0}.topbar h1{font-size:26px;position:relative;padding-bottom:6px}.topbar h1:after{content:"";position:absolute;left:0;bottom:0;width:56px;height:5px;border-radius:5px;background:var(--highlight)}.hero-title{font-size:21px}.hero-title span{font-family:var(--body-font)}.card-title{font-size:19px}.stat .v{font-size:28px}.doc h2{font-size:22px;color:var(--primary-deep)}.section-title{color:var(--primary)}.logo{font-size:27px;color:var(--primary-deep)}.logo-dot{background:var(--highlight);width:9px;height:9px}.sidebar{background:var(--surface);border-right:0;box-shadow:8px 0 30px -24px #783c1480}.nav-section{color:var(--terra);letter-spacing:.08em}.nav-item{margin:1px 10px;width:calc(100% - 20px);padding:8px 14px;border-left:0;border-radius:999px;color:var(--text)}.nav-item svg{color:var(--primary)}.nav-item:hover{background:var(--mist)}.nav-item.active{background:var(--mist);color:var(--primary-deep);font-weight:700;box-shadow:inset 4px 0 0 var(--highlight)}.sidebar-bottom{border-top:1px dashed var(--border)}.topbar{background:#fff6eaeb}.hero{border-radius:var(--radius);box-shadow:var(--shadow-warm)}.hero:after{background:#ffffff1f}.hero.yellow{background:radial-gradient(circle at 88% 15%,#ffd89b 0,transparent 45%),var(--highlight);color:#2d2a32}.hero.blue{background:radial-gradient(circle at 88% 15%,rgba(255,255,255,.14) 0,transparent 45%),var(--primary)}.hero.green{background:radial-gradient(circle at 88% 15%,rgba(255,216,155,.25) 0,transparent 45%),var(--terra)}.progress{height:10px;border-radius:999px}.progress>div{border-radius:999px}.panel,.card,.stat,.a-card,.table-wrap,.release,.class-card{border:0;border-radius:var(--radius);box-shadow:var(--shadow-warm)}.panel{border-bottom:5px solid var(--highlight)}.panel-head{border-bottom:1px dashed var(--border);font-size:14px}.panel-head svg{color:var(--terra)}.panel-foot{border-top:1px dashed var(--border)}.group-label{background:var(--mist);color:var(--primary-deep);font-weight:600;border-bottom:0}.row{border-bottom:1px dashed var(--border)}.row:hover,.stud-item:hover,.table tr.click:hover td{background:#fffaf2}.thumb{border-radius:12px}.ri-pink{background:#fbe1da;color:var(--terra)}.ri-yellow{background:var(--mist);color:#a8670c}.ri-blue{background:#dcebf2;color:var(--primary)}.note-pill{border-radius:999px}.note-b{background:var(--primary)}.note-c{background:var(--highlight);color:#2d2a32}.btn{border-radius:var(--btn-radius);font-weight:700;padding:9px 18px}.btn-sm{padding:6px 12px}.btn-primary,.btn-blue{background:var(--primary);border-color:var(--primary);color:#fff}.btn-primary:hover,.btn-blue:hover{background:var(--primary-deep);border-color:var(--primary-deep)}.btn-yellow{background:var(--highlight);border-color:var(--highlight);color:#2d2a32}.btn-yellow:hover{background:var(--highlight-deep);border-color:var(--highlight-deep)}.btn-ghost{border-color:var(--border-strong);color:var(--primary);background:var(--surface)}.btn-ghost:hover,.btn:hover{background:var(--mist)}.btn-gray{background:var(--surface);border-color:var(--border);box-shadow:var(--shadow-soft)}.input,.textarea,.select,.search{border-radius:14px;border-color:var(--border-strong)}.search{border-radius:999px;padding:9px 16px}.input:focus,.textarea:focus,.select:focus{border-color:var(--primary);box-shadow:0 0 0 3px #1d5c7a26}.chip{border-color:var(--border-strong)}.chip.on{background:var(--primary);border-color:var(--primary)}.class-select{border-radius:999px;border-color:var(--border-strong)}.badge-blue{background:#dcebf2;color:var(--primary-deep)}.badge-yellow{background:var(--mist);color:#8a5300}.tab.on{border-bottom-color:var(--highlight);color:var(--primary-deep)}.mini-progress{border-radius:999px}.dropzone{border-radius:var(--radius);border-color:var(--border-strong);background:#fffaf2}.dropzone:hover,.dropzone.over{border-color:var(--primary);background:#f0f6f9}.alert{border-radius:14px}.alert-warn{background:var(--mist);border-color:var(--mark);color:#7a4a00}.alert-info{background:#eef5f8;border-color:#c9dfe9;color:var(--primary-deep)}.modal{border-radius:22px}.dropdown{border-radius:16px;border-color:var(--border)}.user-mark{font-family:var(--head-font);font-weight:400;color:var(--primary-deep)}.user-mark:after{background:var(--highlight)}.table th{background:var(--mist);color:var(--primary-deep)}.table td{border-bottom:1px dashed var(--border)}.photo,.photo-main,.media-thumb,.media-state{border-radius:16px}.photo-main{box-shadow:0 22px 40px -22px #783c148c}.stud-item.active{background:var(--mist);box-shadow:inset 4px 0 0 var(--highlight)}.bubble.me{background:var(--primary)}.bubble.them{border-color:var(--border)}.thread{background:#fffaf2}.doc .tip{background:var(--mist);border-left-color:var(--highlight);border-radius:0 12px 12px 0}.class-card{border:2px solid transparent}.class-card.on{border-color:var(--highlight);background:#fffaf2}.login-art{background:radial-gradient(circle at 85% 20%,#ffd89b 0,transparent 40%),var(--highlight);border-radius:0 0 90px}.login-art h2{color:var(--primary-deep);font-size:46px;line-height:1.05}.login-form{background:var(--bg)}.login-box{background:var(--surface);padding:32px 28px;border-radius:28px;box-shadow:var(--shadow-warm)}.bottom-nav{border-top:0;box-shadow:0 -10px 30px -20px #783c1480;border-radius:24px 24px 0 0}.bottom-nav a.active{background:var(--highlight);color:#2d2a32;border-radius:999px}.bottom-nav a,.bottom-nav button{color:var(--primary)}.toast{background:var(--primary-deep);border-radius:999px}.group-label{text-transform:none}.group-label:first-letter{text-transform:uppercase}