@import"https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:wght@400;500;600;700;800&display=swap";@import"https://fonts.googleapis.com/css2?family=Material+Symbols+Outlined:opsz,wght,FILL,GRAD@20..48,400,0,0&display=block";:root{--surface: #f9f9ff;--surface-dim: #d3daea;--surface-bright: #f9f9ff;--surface-container-lowest: #ffffff;--surface-container-low: #f0f3ff;--surface-container: #e7eefe;--surface-container-high: #e2e8f8;--surface-container-highest: #dce2f3;--on-surface: #151c27;--on-surface-variant: #434654;--outline: #737686;--outline-variant: #c3c5d7;--primary: #003fb1;--primary-container: #1a56db;--on-primary: #ffffff;--secondary: #006c49;--secondary-container: #6cf8bb;--tertiary: #694100;--tertiary-fixed: #ffddb8;--tertiary-fixed-dim: #ffb95f;--error: #ba1a1a;font-family:Be Vietnam Pro,sans-serif;color:var(--on-surface)}*{box-sizing:border-box}body{margin:0;min-height:100vh;background-color:var(--surface);background-image:linear-gradient(180deg,#ffffff2e,#f0f3ff52),url(/assets/bg-BCehiaR7.png);background-size:auto,cover;background-position:center,center;background-attachment:fixed}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}.app-shell{min-height:100vh;display:flex;flex-direction:column}.top-nav{position:sticky;top:0;z-index:20;height:64px;background:#f9f9ffa8;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--outline-variant);display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:20px;padding:0 24px}.top-nav__brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:1.1rem;color:var(--primary)}.top-nav__logo{width:36px;height:36px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(135deg,var(--primary-container),#7fafff);color:var(--on-primary)}.top-nav__links{display:inline-flex;align-items:center;justify-content:center;gap:18px;color:var(--on-surface-variant)}.top-nav__links a{padding:8px 12px;border-radius:999px;font-weight:600;transition:background-color .2s ease,color .2s ease}.top-nav__links a:hover{color:var(--primary);background:var(--surface-container-low)}.top-nav__actions{display:inline-flex;align-items:center;gap:8px}.top-nav__user{display:grid;gap:2px;min-width:0}.top-nav__user strong,.top-nav__user small{max-width:180px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.top-nav__user small{color:var(--on-surface-variant);font-size:.78rem}.top-nav__actions span{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:var(--surface-container-low)}.home-page{width:min(1100px,100%);margin:0 auto;padding:28px 24px 40px;display:grid;gap:28px}.glass-card{border-radius:24px;border:1px solid rgba(195,197,215,.7);background:#ffffff94;box-shadow:0 14px 34px #1a56db17;-webkit-backdrop-filter:blur(7px);backdrop-filter:blur(7px)}.hero-grid{display:grid;grid-template-columns:1.7fr 1fr;gap:20px}.hero-main{padding:28px;display:grid;grid-template-columns:minmax(0,1fr) 220px;gap:16px;align-items:center}.hero-main h1{margin:0;font-size:clamp(1.8rem,2.5vw,2.5rem);line-height:1.2;color:var(--primary)}.hero-main__title{margin:0;display:inline-flex;align-items:baseline;gap:10px;letter-spacing:-.02em}.hero-main__title-main{font-weight:800;font-size:clamp(2rem,3.2vw,3rem);line-height:1.05;background:linear-gradient(145deg,#003fb1,#1a56db 52%,#3a86ff);-webkit-background-clip:text;background-clip:text;color:transparent;text-shadow:0 10px 26px rgba(26,86,219,.24)}.hero-main__title-accent{font-weight:800;font-size:clamp(1.35rem,2vw,1.7rem);line-height:1;color:#fff;padding:6px 12px;border-radius:12px;background:linear-gradient(145deg,#006c49,#00a46d);box-shadow:0 8px 16px #006c4940}.hero-main__lead{margin:14px 0 0;max-width:64ch;line-height:1.7;color:var(--on-surface-variant)}.hero-main__content{min-width:0}.hero-main__robot{position:relative;align-self:stretch;display:grid;place-items:center}.hero-main__robot:before{content:"";position:absolute;width:190px;height:190px;border-radius:50%;background:radial-gradient(circle at 35% 35%,#e9f3ff,#dce7ff);filter:blur(1px)}.hero-main__robot img{position:relative;z-index:1;width:min(100%,200px);height:auto;object-fit:contain;filter:drop-shadow(0 12px 20px rgba(0,63,177,.18))}.hero-main__chips{margin-top:20px;display:flex;flex-wrap:wrap;gap:10px}.hero-main__chip{display:inline-flex;align-items:center;gap:8px;padding:10px 14px;border-radius:16px;background:linear-gradient(160deg,#ffffff,var(--surface-container-low));border:1px solid var(--outline-variant);font-weight:600;font-size:.93rem;box-shadow:0 6px 14px #1a56db14;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}.hero-main__chip:hover{transform:translateY(-2px);border-color:#9fb3ef;box-shadow:0 10px 18px #1a56db24}.hero-main__chip-icon{width:24px;height:24px;border-radius:8px;display:grid;place-items:center;background:#e9f1ff;font-size:.92rem}.hero-side{padding:24px;background:linear-gradient(145deg,#0840b5,#2864e8);color:#fff}.hero-side__kicker{margin:0;text-transform:uppercase;letter-spacing:.09em;font-size:.72rem;opacity:.85}.hero-side h2{margin:10px 0 16px;font-size:1.5rem}.hero-side ol{margin:0;padding-left:18px;display:grid;gap:8px;line-height:1.55}.hero-side__steps{margin:0;padding:0;list-style:none;display:grid;gap:8px}.hero-side__steps li{display:grid;grid-template-columns:26px 1fr;gap:10px;align-items:center;border-radius:12px;background:#ffffff1f;padding:8px 10px}.hero-side__steps li span{width:26px;height:26px;border-radius:9px;background:#ffffff38;display:grid;place-items:center;font-weight:700;font-size:.84rem}.hero-side__steps li p{margin:0;line-height:1.4}.hero-side__note{margin:16px 0 0;padding:10px 12px;border-radius:12px;background:#ffffff24;font-weight:600;font-size:.92rem}.eyebrow{margin:0 0 10px;display:inline-flex;align-items:center;gap:7px;color:var(--primary);font-weight:700;letter-spacing:.06em;text-transform:uppercase;font-size:.79rem}.eyebrow:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--secondary)}.panel{padding:24px}.panel--form{background:transparent}.panel__header{display:flex;align-items:center;justify-content:space-between;gap:16px}.panel__header h2{margin:0;font-size:1.7rem;color:var(--on-surface)}.hint{margin:8px 0 0;color:var(--on-surface-variant)}.analysis-form{margin-top:18px;display:grid;gap:16px;background:transparent}.step-block{background:#ffffff29;border:1px solid var(--outline-variant);border-radius:20px;padding:16px;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.step-block__title{display:inline-flex;align-items:center;gap:10px;margin-bottom:12px}.step-block__title h3{margin:0;font-size:1.05rem}.step-number{width:32px;height:32px;border-radius:10px;display:grid;place-items:center;background:var(--primary);color:#fff;font-weight:700;font-size:.9rem}.grade-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px}.grade-tile,.task-tile,.task-card{border:1px solid var(--outline-variant);border-radius:16px;padding:12px;background:#ffffff24;color:var(--on-surface);cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}.grade-tile:hover,.task-tile:hover,.task-card:hover{transform:translateY(-2px);border-color:#8da7f0;box-shadow:0 9px 20px #1a56db1f}.grade-tile__title{font-size:1rem;font-weight:700}.grade-tile small{display:block;margin-top:4px;color:var(--on-surface-variant);font-size:.79rem}.grade-tile--active,.task-tile--active{background:linear-gradient(155deg,var(--primary),var(--primary-container));border-color:var(--primary);color:#fff}.grade-tile--active small{color:#ffffffdb}.task-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.task-tile{min-height:56px;display:grid;align-items:center;text-align:left;font-weight:600}.task-card{position:relative;min-height:180px;display:grid;align-content:center;justify-items:center;gap:8px;padding:18px;text-align:center;border:2px dashed var(--secondary);background:#6cf8bb1f}.task-card__check{position:absolute;top:10px;right:10px;width:24px;height:24px;border-radius:50%;display:grid;place-items:center;color:#fff;font-weight:800;font-size:.85rem;background:transparent}.task-card__icon{width:56px;height:56px;border-radius:50%;display:grid;place-items:center;background:#6cf8bb38;font-size:1.4rem}.task-card__title{font-size:1.05rem;font-weight:800;text-transform:uppercase;color:var(--secondary)}.task-card__subtitle{margin-top:2px;font-size:.82rem;color:var(--on-surface-variant);line-height:1.45}.task-card--active{border:3px solid var(--tertiary-fixed-dim);background:linear-gradient(180deg,#ffddb852,#ffb95f29);box-shadow:0 12px 24px #89560029}.task-card--active .task-card__check{background:var(--secondary)}.task-card--active .task-card__icon{background:#ffffff42}.task-card--active .task-card__title{color:var(--tertiary)}.prompt-input{width:100%;min-height:96px;border-radius:14px;border:1px solid var(--outline-variant);padding:12px 14px;color:var(--on-surface);resize:vertical;background:#ffffff1f}.prompt-input:focus{outline:2px solid rgba(26,86,219,.25);border-color:var(--primary-container)}.upload-area{border-style:dashed;background:#ffffff1f}.upload-trigger{min-height:48px;border:none;border-radius:14px;background:var(--primary);color:var(--on-primary);font-weight:700;width:fit-content;padding:12px 18px;cursor:pointer}.upload-file-name{margin:12px 0 0;font-weight:600;color:var(--on-surface)}.upload-box__note{margin:8px 0 0;color:var(--on-surface-variant);line-height:1.55}.visually-hidden{position:absolute;width:1px;height:1px;margin:-1px;border:0;padding:0;clip:rect(0 0 0 0);overflow:hidden}.form-actions{display:flex;justify-content:flex-end}.form-validation{border:1px solid rgba(186,26,26,.28);border-radius:12px;padding:12px 14px;background:#ffededd1;color:var(--error);line-height:1.5}.form-validation ul{margin:8px 0 0;padding-left:20px}.primary-action,.secondary{min-height:48px;border-radius:999px;font-weight:700;padding:12px 20px;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease}.primary-action{border:1px solid var(--primary);background:var(--primary);color:#fff;box-shadow:0 8px 20px #003fb147}.secondary{border:1px solid var(--outline-variant);background:#fff;color:var(--on-surface)}.primary-action--small,.secondary--small{min-height:38px;padding:8px 12px;font-size:.88rem}.primary-action:hover,.secondary:hover{transform:translateY(-1px)}.primary-action:disabled,.secondary:disabled{cursor:not-allowed;opacity:.6;transform:none;box-shadow:none}.error-text{margin:8px 0 0;color:var(--error);font-weight:700}.state-text{margin:12px 0 0;color:var(--on-surface-variant);font-weight:600}.auth-page{place-items:start center}.auth-panel{width:min(520px,100%);border-radius:20px;border:1px solid var(--outline-variant);background:#fffffff0;padding:24px;box-shadow:0 14px 34px #1a56db1a;display:grid;gap:14px}.auth-panel h1{margin:0;color:var(--primary)}.auth-form{display:grid;gap:12px}.auth-form label{display:grid;gap:7px;font-weight:700}.auth-form input,.auth-form select{min-height:46px;border:1px solid var(--outline-variant);border-radius:12px;background:var(--surface);padding:10px 12px}.auth-switch{margin:0;color:var(--on-surface-variant)}.auth-switch a{color:var(--primary);font-weight:800}.submission-list,.teacher-table{margin-top:16px;display:grid;gap:10px}.submission-row,.teacher-table__row{border-radius:16px;border:1px solid var(--outline-variant);background:#ffffffe6;padding:12px;display:grid;grid-template-columns:minmax(0,1fr) auto auto;align-items:center;gap:12px}.teacher-table__row{grid-template-columns:1fr 1.6fr .6fr auto auto}.submission-row p,.teacher-table__row p{margin:4px 0 0;color:var(--on-surface-variant);font-size:.88rem}.status-pill{border-radius:999px;padding:7px 10px;font-weight:800;font-size:.82rem;white-space:nowrap}.status-pill--ungraded{background:#edf0f6;color:#4b5565}.status-pill--draft{background:#fff4dc;color:#8d5a00}.status-pill--completed{background:#ddf8ed;color:#006c49}.filter-tabs{border:1px solid var(--outline-variant);border-radius:999px;background:#fff;padding:4px;display:inline-flex;flex-wrap:wrap;gap:4px}.filter-tabs__item{border:0;border-radius:999px;background:transparent;color:var(--on-surface-variant);padding:8px 12px;font-weight:800;cursor:pointer}.filter-tabs__item--active{background:var(--primary);color:#fff}.result-modal{position:fixed;top:0;right:0;bottom:0;left:0;z-index:40;display:grid;place-items:center;padding:16px}.result-modal__backdrop{position:absolute;top:0;right:0;bottom:0;left:0;background:#0f1c3573;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}.result-modal__panel{position:relative;z-index:1;width:min(1020px,100%);max-height:90vh;overflow:auto}.material-symbols-outlined{font-variation-settings:"FILL" 0,"wght" 500,"GRAD" 0,"opsz" 24;line-height:1;-webkit-user-select:none;user-select:none}.result-html{width:100%;max-width:980px;margin:0 auto;display:grid;gap:18px;padding:6px 0 24px}.result-html__topbar{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}.result-html__topbar h1{margin:0;color:var(--primary);font-size:clamp(1.7rem,2.4vw,2.15rem)}.result-html__notice{margin-top:8px;display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:12px;background:var(--primary-fixed);color:var(--on-primary-fixed-variant)}.result-html__notice p{margin:0;line-height:1.45;font-size:.92rem}.result-html__wait-pill{display:inline-flex;align-items:center;gap:8px;border:2px solid var(--tertiary-fixed);color:var(--tertiary);background:#ffffffeb;border-radius:999px;padding:8px 14px;font-weight:700}.result-html__bento{display:grid;grid-template-columns:2fr 1fr;gap:14px}.feedback-card{border-radius:24px;background:#fffffff5;border:1px solid var(--outline-variant);box-shadow:0 12px 30px #1a56db1f;padding:18px;display:flex;align-items:center;gap:12px}.feedback-card__content{flex:1}.feedback-card__heading{display:inline-flex;align-items:center;gap:6px;color:var(--secondary)}.feedback-card__heading h2{margin:0;font-size:1.15rem}.feedback-card p{margin:10px 0 0;color:var(--on-surface-variant);line-height:1.62}.speech-action{margin-top:14px;min-height:42px;border:1px solid rgba(0,108,73,.28);border-radius:999px;padding:9px 14px;display:inline-flex;align-items:center;gap:8px;background:#6cf8bb33;color:var(--secondary);font-weight:800;cursor:pointer}.speech-action:hover{background:#6cf8bb52}.speech-action:disabled{cursor:wait;opacity:.72}.speech-action .material-symbols-outlined{font-size:1.2rem}.speech-error{margin-top:8px;color:var(--error);font-size:.9rem}.feedback-card__mascot{width:126px;height:126px;flex-shrink:0}.feedback-card__mascot img{width:100%;height:100%;object-fit:contain}.score-card{border-radius:24px;background:linear-gradient(165deg,var(--primary-container),#2a69ed);color:var(--on-primary-container);padding:16px;display:grid;justify-items:center;align-content:center;gap:8px;text-align:center}.score-card__chip{display:inline-flex;align-items:center;gap:6px;padding:5px 10px;border-radius:999px;background:#ffffff29;color:#d9e6ff;font-size:.8rem;text-transform:uppercase;font-weight:700;letter-spacing:.04em}.score-card h3{margin:0;color:#f3f6ff;font-size:1.1rem}.score-card__score{font-size:3rem;font-weight:800;line-height:1;color:#fff}.score-card__score span{font-size:1.4rem;opacity:.82}.score-card p{margin:0;color:#d9e6ff;font-size:.92rem}.annotated-status{margin-top:6px;border-radius:999px;padding:6px 12px;font-size:.82rem;font-weight:700;color:#fff}.annotated-status--none{background:#727b8b}.annotated-status--pending{background:#cf7d11}.annotated-status--ready{background:#1b986a}.annotated-status--failed{background:#b92525}.annotated-status--disabled{background:#5f6472}.criteria-title{margin:0;color:var(--on-surface);font-size:1.2rem}.criteria-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.metric-card{border-radius:18px;border:1px solid var(--surface-container-highest);background:#fff;padding:15px;box-shadow:0 8px 20px #1a56db14;display:grid;gap:11px}.metric-card__head{display:flex;justify-content:space-between;align-items:flex-start;gap:8px}.metric-card__title-wrap{display:flex;align-items:flex-start;gap:10px}.metric-card__icon-wrap{width:46px;height:46px;border-radius:50%;display:grid;place-items:center;color:var(--primary);background:#eaf1ff;flex-shrink:0}.metric-card__icon{font-size:26px}.metric-card h3{margin:0;font-size:1rem}.metric-card__title-wrap p{margin:3px 0 0;color:var(--on-surface-variant);line-height:1.45;font-size:.89rem}.metric-badge{flex-shrink:0;border-radius:999px;padding:5px 10px;font-size:.8rem;font-weight:700}.metric-badge--need-support{background:#ffe4e4;color:#9f2323}.metric-badge--partial{background:#ffedcf;color:#8d5a00}.metric-badge--met{background:#d9f7ec;color:#006c49}.metric-badge--exceeded{background:#dce8ff;color:#0b4acc}.metric-meter{width:100%;height:10px;border-radius:999px;background:var(--surface-container);overflow:hidden}.metric-meter__fill{height:100%;border-radius:inherit;transition:width .4s ease}.metric-meter__fill--need_support{background:#ef4444}.metric-meter__fill--partial{background:#f59e0b}.metric-meter__fill--met{background:#4edea3}.metric-meter__fill--exceeded{background:#1a56db}.metric-note{display:inline-flex;align-items:flex-start;gap:7px;padding:8px 10px;border-radius:12px;border:1px solid}.metric-note p{margin:0;line-height:1.45;font-size:.89rem}.metric-note--need_support{background:#fff0f0;border-color:#ffcaca;color:#a02626}.metric-note--partial{background:#fff8eb;border-color:#ffdca7;color:#8d5a00}.metric-note--met,.metric-note--exceeded{background:#ecfff5;border-color:#baf0d8;color:#006c49}.criteria-empty,.result-video{border-radius:16px;border:1px solid var(--outline-variant);background:var(--surface-container-low);padding:14px}.criteria-empty p{margin:0;color:var(--on-surface-variant)}.result-actions{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}.result-actions__home{display:inline-flex;align-items:center;gap:6px}.result-video h3{margin:0 0 10px}.result-video video{width:100%;border-radius:12px;background:#101724}.result-footer{border-top:1px solid var(--outline-variant);padding-top:12px;display:flex;align-items:center;justify-content:space-between;gap:12px;color:var(--on-surface-variant)}.result-footer p{margin:4px 0 0;font-size:.9rem}.result-footer__links{display:inline-flex;gap:14px}.teacher-done-page h1{margin:0;color:var(--primary);font-size:clamp(1.45rem,2.2vw,2rem)}.teacher-v2{width:min(1100px,100%);margin:0 auto;display:grid;gap:18px}.teacher-v2__hero{position:relative;border-radius:24px;border:1px solid var(--surface-container);background:#ffffffeb;padding:20px;display:flex;align-items:center;justify-content:space-between;gap:14px;overflow:hidden}.teacher-v2__hero-text{z-index:2}.teacher-v2__hero-text h1{margin:0;color:var(--primary);font-size:clamp(1.5rem,2.3vw,2rem)}.teacher-v2__hero-sub{margin-top:8px;display:inline-flex;align-items:center;gap:7px;color:var(--on-surface-variant)}.teacher-v2__hero-sub p{margin:0}.teacher-v2__hero-mascot{width:132px;height:132px;z-index:2}.teacher-v2__hero-mascot img{width:100%;height:100%;object-fit:contain}.teacher-v2__hero-glow{position:absolute;width:180px;height:180px;border-radius:999px;filter:blur(30px);opacity:.35}.teacher-v2__hero-glow--one{top:-50px;right:-20px;background:#1a56db59}.teacher-v2__hero-glow--two{bottom:-70px;left:-30px;background:#6cf8bb59}.teacher-v2__info-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.teacher-v2__field{border-radius:16px;border:1px solid var(--surface-container);background:#ffffffe6;padding:12px;display:grid;gap:7px}.teacher-v2__field>span{font-weight:600;font-size:.9rem;color:var(--on-surface-variant)}.teacher-v2__field-wrap{display:grid;grid-template-columns:24px 1fr;align-items:center;gap:8px;border:1px solid var(--outline-variant);border-radius:12px;background:var(--surface);padding:8px 10px}.teacher-v2__field-wrap .material-symbols-outlined{color:var(--primary);font-size:20px}.teacher-v2__field-wrap input,.teacher-v2__field-wrap 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