:root{--bg: #14122b;--bg-grad: radial-gradient(1200px 600px at 80% -10%, #241f4d 0%, #14122b 55%);--surface: #1f1b3d;--surface-2: #2a2552;--surface-3: #352e63;--line: #38336b;--ink: #f3f0ff;--muted: #a39fcc;--muted-2: #7c78a8;--magenta: #ff3d81;--magenta-ink: #ffd9e7;--cyan: #21e6c1;--cyan-ink: #c6fff4;--gold: #ffc53d;--silver: #cdd5e6;--bronze: #e08a52;--danger: #ff5470;--glow-magenta: 0 0 0 1px rgba(255, 61, 129, .4), 0 8px 30px rgba(255, 61, 129, .28);--glow-cyan: 0 0 0 1px rgba(33, 230, 193, .35), 0 8px 30px rgba(33, 230, 193, .2);--font-display: "Fredoka", system-ui, sans-serif;--font-body: "Manrope", system-ui, sans-serif;--font-mono: "Space Mono", ui-monospace, monospace;--step--1: clamp(.78rem, .74rem + .2vw, .85rem);--step-0: clamp(.95rem, .9rem + .25vw, 1.05rem);--step-1: clamp(1.18rem, 1.05rem + .6vw, 1.45rem);--step-2: clamp(1.55rem, 1.3rem + 1.2vw, 2.1rem);--step-3: clamp(2.1rem, 1.6rem + 2.4vw, 3.2rem);--step-4: clamp(2.8rem, 2rem + 4vw, 4.8rem);--sp-1: .35rem;--sp-2: .6rem;--sp-3: 1rem;--sp-4: 1.5rem;--sp-5: 2.25rem;--sp-6: 3.5rem;--r-sm: 10px;--r-md: 16px;--r-lg: 24px;--r-pill: 999px;--shadow-card: 0 10px 30px rgba(8, 6, 24, .45);--maxw: 1120px}*,*:before,*:after{box-sizing:border-box}*{margin:0}html{-webkit-text-size-adjust:100%}body{min-height:100vh;font-family:var(--font-body);font-size:var(--step-0);line-height:1.5;color:var(--ink);background:var(--bg);background-image:var(--bg-grad);background-attachment:fixed;-webkit-font-smoothing:antialiased}h1,h2,h3,h4{font-family:var(--font-display);line-height:1.05;font-weight:600;letter-spacing:-.01em}button,input,select,textarea{font:inherit;color:inherit}button{cursor:pointer;border:none;background:none}a{color:inherit;text-decoration:none}ul,ol{list-style:none;padding:0}img,svg{display:block}:focus-visible{outline:3px solid var(--magenta);outline-offset:2px;border-radius:6px}::selection{background:var(--magenta);color:#fff}.shell{width:100%;max-width:var(--maxw);margin-inline:auto;padding:var(--sp-4)}.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums}.eyebrow{font-family:var(--font-mono);font-size:var(--step--1);letter-spacing:.22em;text-transform:uppercase;color:var(--muted)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;padding:.7rem 1.1rem;border-radius:var(--r-pill);font-family:var(--font-display);font-weight:600;font-size:var(--step-0);background:var(--surface-2);color:var(--ink);border:1px solid var(--line);transition:transform .12s ease,box-shadow .18s ease,background .18s ease}.btn:hover{transform:translateY(-1px);background:var(--surface-3)}.btn:active{transform:translateY(0)}.btn-primary{background:var(--magenta);color:#fff;border-color:transparent}.btn-primary:hover{background:#ff5a95;box-shadow:var(--glow-magenta)}.btn-cyan{background:var(--cyan);color:#06231d;border-color:transparent}.btn-cyan:hover{box-shadow:var(--glow-cyan);background:#3df0cf}.btn-ghost{background:transparent}.btn-icon{padding:.55rem;width:2.6rem;height:2.6rem;border-radius:var(--r-md)}.btn-sm{padding:.45rem .8rem;font-size:var(--step--1)}.btn-danger:hover{background:var(--danger);color:#fff;border-color:transparent}.field{display:flex;flex-direction:column;gap:.3rem}.field>label{font-size:var(--step--1);color:var(--muted);font-weight:600}.input{width:100%;padding:.7rem .9rem;border-radius:var(--r-md);background:var(--surface);border:1px solid var(--line);color:var(--ink);transition:border-color .15s ease,box-shadow .15s ease}.input::placeholder{color:var(--muted-2)}.input:focus{outline:none;border-color:var(--magenta);box-shadow:0 0 0 3px #ff3d812e}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-card)}.tag{display:inline-flex;align-items:center;gap:.35em;padding:.2rem .6rem;border-radius:var(--r-pill);font-size:var(--step--1);font-weight:600;background:var(--surface-2);color:var(--muted)}.sr-only{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}}.muted-line{color:var(--muted);font-size:var(--step--1)}.dot{display:inline-block;width:.6rem;height:.6rem;border-radius:50%;flex:none}.dot-lg{width:.9rem;height:.9rem}.home-hero{padding-block:var(--sp-5) var(--sp-4)}.home-title{font-size:var(--step-4);font-weight:700;margin-top:.2rem}.title-pop{background:linear-gradient(100deg,var(--magenta),var(--cyan));-webkit-background-clip:text;background-clip:text;color:transparent}.home-sub{color:var(--muted);margin-top:.4rem;font-size:var(--step-1)}.add-class{display:flex;gap:var(--sp-2);margin-top:var(--sp-4);max-width:560px}.add-class .input{flex:1}.class-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:var(--sp-3);margin-top:var(--sp-4)}.class-card{--accent: var(--magenta);position:relative;padding:var(--sp-3);display:flex;flex-direction:column;gap:var(--sp-2);min-height:178px;cursor:pointer;overflow:hidden;transition:transform .15s ease,box-shadow .2s ease,border-color .2s ease}.class-card:before{content:"";position:absolute;inset:0 0 auto;height:4px;background:var(--accent);opacity:.85}.class-card:hover,.class-card:focus-visible{transform:translateY(-3px);border-color:var(--accent);box-shadow:0 16px 40px #0806188c,0 0 0 1px var(--accent)}.class-card-top{display:flex;align-items:center;justify-content:space-between}.class-icon{width:3rem;height:3rem;border-radius:var(--r-md);display:grid;place-items:center;font-size:1.5rem}.class-card-actions{display:flex;gap:.25rem}.class-card-name{font-size:var(--step-2)}.class-card-meta{display:flex;flex-wrap:wrap;gap:.4rem;margin-top:auto}.tag-lead{background:#ffc53d29;color:var(--gold)}.class-card-go{position:absolute;right:var(--sp-3);bottom:var(--sp-3);font-family:var(--font-display);font-weight:600;color:var(--accent);opacity:0;transform:translate(-4px);transition:opacity .2s ease,transform .2s ease}.class-card:hover .class-card-go,.class-card:focus-visible .class-card-go{opacity:1;transform:translate(0)}.inline-edit{display:flex;gap:.4rem}.inline-edit .input{flex:1}.class-head{padding-block:var(--sp-4) var(--sp-3);display:flex;flex-direction:column;gap:var(--sp-3)}.back-link{align-self:flex-start;color:var(--muted);font-weight:600}.back-link:hover{color:var(--ink)}.class-title{display:flex;align-items:center;gap:.7rem}.class-title-icon{width:3rem;height:3rem;border-radius:var(--r-md);display:grid;place-items:center;font-size:1.5rem}.class-title h1{font-size:var(--step-3)}.tabbar{display:inline-flex;gap:.3rem;padding:.35rem;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-pill);align-self:flex-start;max-width:100%;overflow-x:auto}.tab{display:inline-flex;align-items:center;gap:.45rem;padding:.55rem 1.1rem;border-radius:var(--r-pill);font-family:var(--font-display);font-weight:600;color:var(--muted);white-space:nowrap;transition:color .15s ease,background .15s ease}.tab:hover{color:var(--ink)}.tab.active{background:var(--magenta);color:#fff;box-shadow:var(--glow-magenta)}.add-student,.add-cat{display:flex;flex-wrap:wrap;align-items:flex-end;gap:var(--sp-3);padding:var(--sp-3);margin-bottom:var(--sp-4)}.add-student .field{flex:1;min-width:130px}.field-num{flex:0 0 90px;min-width:90px}.add-student-btn,.add-cat-btn{height:2.9rem}.student-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:var(--sp-3)}.student-card{padding:var(--sp-3);display:flex;flex-direction:column;gap:var(--sp-2)}.student-top{display:flex;align-items:center;gap:.7rem}.avatar{width:2.8rem;height:2.8rem;border-radius:50%;display:grid;place-items:center;font-family:var(--font-display);font-weight:700;background:linear-gradient(135deg,var(--surface-3),var(--surface-2));border:1px solid var(--line);flex:none}.student-id{flex:1;min-width:0}.student-name{font-size:var(--step-1);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.student-num{color:var(--muted);font-size:var(--step--1)}.student-score{display:flex;flex-direction:column;align-items:flex-end;line-height:1}.score-value{font-size:var(--step-2);font-weight:700;color:var(--cyan)}.score-label{font-size:var(--step--1);color:var(--muted)}.student-break{display:flex;flex-wrap:wrap;gap:.35rem;min-height:1.6rem}.break-chip{display:inline-flex;align-items:center;gap:.35rem;padding:.18rem .55rem;border-radius:var(--r-pill);font-size:var(--step--1);background:var(--surface-2)}.student-actions{display:flex;gap:.4rem;margin-top:.2rem}.student-actions .btn-cyan{flex:1}.meter{display:flex;gap:3px;width:100%}.meter-seg{flex:1;height:8px;border-radius:3px;background:var(--surface-3);transition:background .4s ease,transform .4s ease}.meter-seg.on{transform:scaleY(1.05)}.meter-big .meter-seg{height:14px;border-radius:4px}.edit-intro{margin-bottom:var(--sp-3)}.edit-intro h2{font-size:var(--step-2)}.edit-intro p{margin-top:.3rem;max-width:60ch}.field-weight{flex:0 0 110px;min-width:110px}.cat-list{display:flex;flex-direction:column;gap:var(--sp-2)}.cat-row{--accent: var(--cyan);display:flex;align-items:center;gap:var(--sp-3);padding:var(--sp-3);border-left:4px solid var(--accent)}.cat-info{flex:1;min-width:0}.cat-name{font-family:var(--font-display);font-weight:600;font-size:var(--step-1)}.cat-sub{display:block}.weight-pill{padding:.3rem .7rem;border-radius:var(--r-pill);background:#21e6c124;color:var(--cyan);font-weight:700}.cat-actions{display:flex;gap:.3rem}.cat-edit{display:flex;gap:.4rem;flex:1;flex-wrap:wrap}.cat-edit .input{flex:1;min-width:140px}.cat-edit-weight{flex:0 0 90px;min-width:90px}.modal-backdrop{position:fixed;inset:0;z-index:100;background:#080618b8;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:grid;place-items:center;padding:var(--sp-3);animation:fade .18s ease}.modal-panel{width:min(560px,100%);max-height:90vh;display:flex;flex-direction:column;background:var(--surface);animation:pop .2s cubic-bezier(.2,.9,.3,1.3)}.modal-head{display:flex;align-items:center;justify-content:space-between;gap:var(--sp-2);padding:var(--sp-3) var(--sp-3) var(--sp-2);border-bottom:1px solid var(--line)}.modal-head h2{font-size:var(--step-1)}.modal-body{padding:var(--sp-3);overflow-y:auto}.modal-foot{display:flex;align-items:center;justify-content:space-between;gap:var(--sp-2);padding:var(--sp-3);border-top:1px solid var(--line);flex-wrap:wrap}.modal-foot .foot-actions{display:flex;gap:.5rem;margin-left:auto}.confirm-msg{color:var(--muted);line-height:1.55}.edit-student-grid{display:grid;gap:var(--sp-3)}.award-meta{display:flex;gap:var(--sp-3);margin-bottom:var(--sp-3);flex-wrap:wrap}.award-cats{display:flex;flex-direction:column;gap:.5rem}.award-cat{display:flex;align-items:center;justify-content:space-between;gap:var(--sp-2);padding:.55rem .7rem;border-radius:var(--r-md);background:var(--surface-2);border:1px solid var(--line)}.award-cat-info{display:flex;align-items:center;gap:.5rem}.award-cat-name{font-weight:600}.stepper{display:flex;align-items:center;gap:.3rem}.stepper-input{width:4.5rem;text-align:center;padding:.5rem}.award-total{color:var(--muted)}.award-total strong{color:var(--cyan);font-size:var(--step-1)}.ranking,.present-inner{padding-bottom:var(--sp-5)}.rank-head{display:flex;align-items:center;justify-content:space-between;gap:var(--sp-3);margin-bottom:var(--sp-4);flex-wrap:wrap}.rank-title{font-size:var(--step-3)}.podium{display:grid;grid-template-columns:repeat(3,1fr);align-items:end;gap:var(--sp-3);margin-bottom:var(--sp-4)}.podium-slot{display:flex;flex-direction:column;align-items:center;gap:.4rem;text-align:center}.podium-slot.empty-slot{visibility:hidden}.podium-medal{font-size:2rem}.podium-avatar{width:3.6rem;height:3.6rem;border-radius:50%;display:grid;place-items:center;font-family:var(--font-display);font-weight:700;font-size:var(--step-1);background:var(--surface-2);border:2px solid var(--line)}.podium-name{font-family:var(--font-display);font-weight:600;font-size:var(--step-0);line-height:1.15}.podium-score{font-size:var(--step-2);font-weight:700}.podium-block{width:100%;border-radius:var(--r-md) var(--r-md) 0 0;display:grid;place-items:center;background:linear-gradient(180deg,var(--surface-3),var(--surface));border:1px solid var(--line);border-bottom:none}.podium-rank{font-size:var(--step-3);font-weight:700;color:var(--muted-2);padding:.4rem}.place-1 .podium-block{height:150px;background:linear-gradient(180deg,#ffc53d59,#ffc53d0d);border-color:var(--gold)}.place-1 .podium-score{color:var(--gold)}.place-1 .podium-avatar{border-color:var(--gold);box-shadow:0 0 24px #ffc53d66}.place-2 .podium-block{height:112px;border-color:var(--silver)}.place-2 .podium-score{color:var(--silver)}.place-3 .podium-block{height:84px;border-color:var(--bronze)}.place-3 .podium-score{color:var(--bronze)}.rank-list{display:flex;flex-direction:column;gap:.5rem}.rank-row{display:grid;grid-template-columns:2.2rem 2.4rem 1fr 2fr auto;align-items:center;gap:var(--sp-3);padding:.7rem var(--sp-3);background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md)}.rank-pos{font-size:var(--step-1);font-weight:700;color:var(--muted);text-align:center}.rank-avatar{width:2.4rem;height:2.4rem;border-radius:50%;display:grid;place-items:center;font-family:var(--font-display);font-weight:700;font-size:var(--step--1);background:var(--surface-2);border:1px solid var(--line)}.rank-name{font-family:var(--font-display);font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.rank-num{color:var(--muted);font-weight:400}.rank-score{font-size:var(--step-1);font-weight:700;color:var(--magenta);text-align:right}.present-overlay{position:fixed;inset:0;z-index:90;background:var(--bg);background-image:var(--bg-grad);overflow-y:auto}.present-inner{max-width:1400px;margin-inline:auto;padding:clamp(1.5rem,4vw,4rem)}.present-overlay .rank-title{font-size:clamp(2.5rem,6vw,5rem)}.present-overlay .podium-avatar{width:clamp(4rem,9vw,7rem);height:clamp(4rem,9vw,7rem);font-size:clamp(1.4rem,3vw,2.4rem)}.present-overlay .podium-medal{font-size:clamp(2.5rem,5vw,4rem)}.present-overlay .podium-name{font-size:clamp(1.1rem,2.2vw,2rem)}.present-overlay .podium-score{font-size:clamp(1.8rem,4vw,3.5rem)}.present-overlay .place-1 .podium-block{height:clamp(150px,26vh,320px)}.present-overlay .place-2 .podium-block{height:clamp(112px,19vh,240px)}.present-overlay .place-3 .podium-block{height:clamp(84px,14vh,180px)}.present-overlay .rank-row{padding:clamp(.7rem,1.6vh,1.4rem) var(--sp-4)}.present-overlay .rank-name{font-size:clamp(1.1rem,2.2vw,2rem)}.present-overlay .rank-score,.present-overlay .rank-pos{font-size:clamp(1.3rem,2.6vw,2.4rem)}.present-overlay .rank-avatar{width:clamp(2.4rem,4vw,3.6rem);height:clamp(2.4rem,4vw,3.6rem);font-size:clamp(.8rem,1.6vw,1.3rem)}.confetti-canvas{position:fixed;inset:0;width:100%;height:100%;pointer-events:none;z-index:120}.empty{text-align:center;padding:var(--sp-6) var(--sp-3);color:var(--muted)}.empty-icon{font-size:3rem;margin-bottom:var(--sp-2)}.empty-title{font-family:var(--font-display);font-weight:600;font-size:var(--step-1);color:var(--ink)}.empty-hint{margin-top:.3rem}@keyframes fade{0%{opacity:0}}@keyframes pop{0%{opacity:0;transform:translateY(10px) scale(.97)}}@media(max-width:640px){.add-class{flex-direction:column}.add-class .btn{width:100%}.rank-row{grid-template-columns:1.8rem 2rem 1fr auto}.rank-meter{display:none}.podium-name{font-size:var(--step--1)}.class-title h1{font-size:var(--step-2)}}