/*! tailwindcss v4.2.1 | MIT License | https://tailwindcss.com */
@layer theme{:root,:host{--font-sans:ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--spacing:.25rem;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring{outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab, red, red)){::placeholder{color:color-mix(in oklab, currentcolor 50%, transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.start{inset-inline-start:var(--spacing)}.end{inset-inline-end:var(--spacing)}.table{display:table}}:root{--navy:#12304a;--blue:#1769d2;--blue-dark:#0f55b2;--cyan:#23a6a6;--paper:#f4f7f9;--line:#dce4e9;--muted:#647482;--danger:#b42318}*{box-sizing:border-box}html{background:var(--paper)}body{color:var(--navy);background:var(--paper);-webkit-font-smoothing:antialiased;margin:0;font-family:Microsoft YaHei,PingFang SC,system-ui,sans-serif}button,input,select{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{color:inherit}.app-shell,.scan-page{background:#fff;max-width:720px;min-height:100dvh;margin:0 auto}.hero{color:#fff;background:linear-gradient(145deg,#102f49 0%,#145d85 62%,#1d8f91 100%);padding:30px 22px 34px;position:relative;overflow:hidden}.hero:after{content:"";border:32px solid #ffffff18;border-radius:50%;width:240px;height:240px;position:absolute;bottom:-150px;right:-90px}.compact-hero h1{letter-spacing:.03em;margin:34px 0 8px;font-size:clamp(28px,8vw,42px)}.compact-hero p{color:#dcecf2;margin:0 0 18px;font-size:17px}.brand-row{letter-spacing:.08em;align-items:center;gap:10px;font-weight:700;display:flex}.brand-mark{color:#fff;background:var(--cyan);border-radius:11px;place-items:center;width:36px;height:36px;font-weight:900;display:inline-grid;box-shadow:0 5px 14px #001c2744}.online-pill{background:#ffffff17;border-radius:999px;align-items:center;gap:7px;padding:7px 12px;font-size:14px;display:inline-flex}.online-pill i,.online-dot{background:#5fe2a8;border-radius:50%;width:9px;height:9px;box-shadow:0 0 0 4px #5fe2a822}.content{padding:18px}.teacher-grid{gap:12px;display:grid}.teacher-card{border:1px solid var(--line);cursor:pointer;background:#fff;border-radius:16px;justify-content:space-between;align-items:center;min-height:72px;padding:0 20px;display:flex;box-shadow:0 5px 20px #1332470a}.teacher-card:active{background:#f7fbff;transform:scale(.99)}.teacher-card span{font-size:22px;font-weight:750}.teacher-card b{color:var(--blue)}.admin-link{text-align:center;color:var(--muted);padding:18px;text-decoration:none}.topbar{border-bottom:1px solid var(--line);z-index:10;background:#fff;grid-template-columns:1fr auto 1fr;align-items:center;height:64px;padding:0 16px;display:grid;position:sticky;top:0}.topbar strong{font-size:20px}.topbar .online-dot{justify-self:end}.back{text-align:left;color:var(--blue);cursor:pointer;background:0 0;border:0;padding:12px 8px;font-weight:700}.progress-panel{background:linear-gradient(135deg,#eaf4ff,#eefcf9);border:1px solid #d9e9f2;border-radius:18px;margin:16px;padding:18px}.progress-panel>div:first-child{justify-content:space-between;align-items:baseline;display:flex}.progress-panel strong{font-size:22px}.progress-track{background:#fff;border-radius:99px;height:9px;margin:12px 0 16px;overflow:hidden}.progress-track i{background:linear-gradient(90deg, var(--blue), var(--cyan));border-radius:inherit;height:100%;display:block}.primary,.secondary,.danger-button{cursor:pointer;border:0;border-radius:13px;min-height:48px;padding:0 18px;font-weight:750}.primary{background:var(--blue);color:#fff;box-shadow:0 6px 16px #1769d22a}.primary:hover{background:var(--blue-dark)}.primary:disabled{opacity:.5;cursor:not-allowed}.progress-panel .primary{width:100%}.secondary{color:var(--navy);background:#eaf1f6}.filters{border-bottom:1px solid var(--line);padding:0 16px 12px}.chip-row{scrollbar-width:none;gap:8px;padding:2px 0 12px;display:flex;overflow-x:auto}.chip{white-space:nowrap;border:1px solid var(--line);cursor:pointer;background:#fff;border-radius:999px;padding:9px 14px}.chip.active{color:#fff;background:var(--navy);border-color:var(--navy)}.search,.admin-search{border:1px solid var(--line);background:#f8fafb;border-radius:13px;outline:none;width:100%;height:48px;padding:0 15px}.search:focus,.admin-search:focus,input:focus,select:focus{border-color:var(--blue);box-shadow:0 0 0 3px #1769d219}.face-list{padding:10px 16px 30px}.face-card{text-align:left;cursor:pointer;background:#fff;border:0;border-bottom:1px solid #eef2f4;align-items:center;gap:13px;width:100%;padding:14px 4px;display:flex}.status{border-radius:13px;flex:none;place-items:center;width:42px;height:42px;font-weight:800;display:grid}.status.pending{color:#577083;background:#edf3f7}.status.complete{color:#16805c;background:#e4f7ee}.face-copy{flex-direction:column;flex:1;gap:5px;min-width:0;display:flex}.face-copy strong{font-size:16px}.face-copy small{color:var(--muted);white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.face-card>b{color:#91a0ab;font-size:25px}.empty{color:var(--muted);text-align:center;padding:45px 10px}.scan-page{background:var(--paper)}.scan-topbar{position:relative}.scan-location{background:#fff;padding:14px 18px}.scan-location span{color:var(--cyan);font-weight:750}.scan-location h1{margin:5px 0 0;font-size:19px}.camera{background:#10202a;border-radius:19px;height:min(43dvh,410px);margin:0 12px;position:relative;overflow:hidden}.camera video{object-fit:cover;width:100%;height:100%}.barcode-guide{border:2px solid #fffd;border-radius:14px;height:150px;position:absolute;top:50%;left:7%;right:7%;transform:translateY(-50%);box-shadow:0 0 0 999px #00151d35}.scan-line{background:#66f3e2;height:2px;animation:2.2s ease-in-out infinite scan;position:absolute;top:50%;left:9%;right:9%;box-shadow:0 0 12px #66f3e2}@keyframes scan{0%,to{transform:translateY(-58px)}50%{transform:translateY(58px)}}.camera-caption{text-align:center;color:#fff;background:#061b28bb;border-radius:12px;padding:11px;font-weight:750;position:absolute;bottom:12px;left:12px;right:12px}.torch-button{color:#fff;background:#061b28cc;border:1px solid #fff8;border-radius:999px;min-width:66px;min-height:40px;font-weight:750;position:absolute;top:16px;right:18px}.camera-done{color:#fff;background:linear-gradient(145deg,#143d51,#167878);flex-direction:column;justify-content:center;align-items:center;gap:8px;height:100%;display:flex}.done-mark{background:#51d39d;border-radius:50%;place-items:center;width:58px;height:58px;font-size:32px;display:grid}.camera-done strong{font-size:21px}.camera-done span:last-child{color:#d6efee}.scan-controls{padding:10px 16px 26px}.scan-message{min-height:24px;color:var(--blue);text-align:center;font-weight:700}.error-message{color:var(--danger);font-weight:650}.barcode-field{border:2px solid var(--line);background:#fff;border-radius:15px;margin:10px 0;padding:10px 14px;display:block}.barcode-field.scanning{border-color:var(--blue);box-shadow:0 0 0 4px #1769d211}.barcode-field span{color:var(--muted);font-size:13px;font-weight:700;display:block}.barcode-field input{width:100%;color:var(--navy);background:0 0;border:0;outline:0;padding:6px 0 2px;font-size:21px;font-weight:750}.scan-controls>button{width:100%;margin-top:10px}.confirm{min-height:56px;font-size:18px}.center-page,.admin-login{text-align:center;place-items:center;min-height:100dvh;padding:24px;display:grid}.center-page>*,.login-card>*{max-width:420px}.loader{border:4px solid #dce5ea;border-top-color:var(--blue);border-radius:50%;width:38px;height:38px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.login-card{background:#fff;border-radius:22px;width:min(420px,100%);padding:30px;box-shadow:0 14px 50px #18324717}.login-card h1{margin:18px 0 6px}.login-card p{color:var(--muted)}.login-card input{border:1px solid var(--line);border-radius:13px;width:100%;height:50px;margin:10px 0;padding:0 14px}.login-card button{width:100%;margin:8px 0 18px}.login-card a{color:var(--blue);text-decoration:none}.admin-shell{max-width:1280px;min-height:100dvh;margin:auto;padding:28px 20px 60px}.admin-header{justify-content:space-between;align-items:center;gap:20px;margin-bottom:18px;display:flex}.admin-header h1{margin:4px 0 0}.eyebrow{color:var(--cyan);letter-spacing:.08em;font-weight:800}.link-button{place-items:center;text-decoration:none;display:inline-grid}.notice{color:#145b8d;background:#e8f5ff;border-radius:12px;margin-bottom:16px;padding:12px 16px}.admin-card{border:1px solid var(--line);background:#fff;border-radius:18px;margin:16px 0;padding:20px;box-shadow:0 6px 24px #17334b0a}.section-heading{justify-content:space-between;align-items:center;gap:16px;margin-bottom:16px;display:flex}.section-heading h2,.danger-zone h2{margin:0 0 4px}.section-heading p,.danger-zone p{color:var(--muted);margin:0}.small-button{white-space:nowrap}.assignment-grid{grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:10px;display:grid}.assignment-grid label{background:#f6f9fb;border-radius:11px;align-items:center;gap:9px;padding:10px;display:flex}.assignment-grid label span{min-width:45px;font-weight:750}.assignment-grid select{border:1px solid var(--line);background:#fff;border-radius:9px;flex:1;min-width:0;height:40px;padding:0 8px}.admin-search{max-width:360px}.admin-table-wrap{border:1px solid var(--line);border-radius:12px;overflow:auto}table{border-collapse:collapse;width:100%;min-width:980px}th,td{text-align:left;border-bottom:1px solid #e9eef1;padding:12px;font-size:14px}th{background:#f6f9fb;position:sticky;top:0}td small{color:var(--muted);margin-top:3px;display:block}.mono{font-family:Consolas,monospace;font-size:15px}.empty-cell{color:var(--muted);text-align:center;padding:40px}.danger-zone{background:snow;border-color:#f4c7c3;justify-content:space-between;align-items:center;gap:20px;display:flex}.danger-button{background:var(--danger);color:#fff;white-space:nowrap}@media (width<=640px){.app-shell,.scan-page{max-width:none}.admin-header,.section-heading,.danger-zone{flex-direction:column;align-items:stretch}.admin-search{max-width:none}.small-button,.danger-button,.link-button{width:100%}.admin-shell{padding:18px 12px 40px}.admin-card{padding:15px}}@media (prefers-reduced-motion:reduce){*,:before,:after{animation-duration:.01ms!important;animation-iteration-count:1!important}}