*{box-sizing:border-box} :root{--ink:#1f2937;--muted:#667085;--line:#d8e0e8;--blue:#2563eb;--blue2:#1d4ed8;--purple:#6d28d9;--panel:rgba(255,255,255,.90);--mica:rgba(248,250,252,.82);--shadow:0 22px 70px rgba(15,23,42,.12)}
html,body{margin:0;min-height:100%;font-family:"Segoe UI Variable","Segoe UI",Inter,system-ui,-apple-system,sans-serif;color:var(--ink);background:radial-gradient(circle at 10% 0,rgba(96,165,250,.19),transparent 32rem),radial-gradient(circle at 90% 15%,rgba(196,181,253,.18),transparent 30rem),linear-gradient(155deg,#eef6ff,#f6f7fa 52%,#edf1f5)}
button,input,select{font:inherit}button{cursor:pointer}.hidden{display:none!important}.topbar{height:66px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;padding:0 clamp(10px,3vw,34px);background:rgba(248,250,252,.72);backdrop-filter:blur(22px);border-bottom:1px solid rgba(255,255,255,.9);position:sticky;top:0;z-index:30}.brand-side{display:flex;align-items:center;gap:8px}.back{width:38px;height:38px;display:grid;place-items:center;text-decoration:none;color:#344054;border-radius:9px}.back:hover{background:#fff}.brand{display:flex;gap:9px;align-items:center;text-decoration:none;color:inherit}.brand-orb{width:38px;height:38px;border-radius:11px;background:linear-gradient(135deg,#2563eb,#7c3aed);color:#fff;display:grid;place-items:center;font-weight:900}.brand strong,.brand small{display:block}.brand small{font-size:.72rem;color:#667085}.top-title{font-weight:650;font-size:.88rem;color:#667085}.sys-btn{justify-self:end;border:1px solid #d8e0e8;background:rgba(255,255,255,.8);border-radius:9px;padding:8px 13px}.shell{width:min(1360px,calc(100% - 22px));margin:24px auto 84px}.start-window,.task-card,.app-window,.results{background:var(--mica);border:1px solid rgba(255,255,255,.85);backdrop-filter:blur(22px);box-shadow:var(--shadow)}.start-window{max-width:1100px;margin:28px auto;display:grid;grid-template-columns:1.25fr .75fr;border-radius:24px;overflow:hidden}.intro{padding:clamp(30px,6vw,68px)}.intro h1,.results h1{font-size:clamp(2.4rem,5vw,4.9rem);line-height:.96;letter-spacing:-.05em;margin:9px 0 18px}.intro p{color:#475467;line-height:1.75}.eyebrow{font-size:.72rem;font-weight:850;letter-spacing:.11em;color:#2563eb}.badges{display:flex;gap:8px;flex-wrap:wrap;margin-top:24px}.badges span{font-size:.78rem;color:#475467;border:1px solid #e2e8f0;background:rgba(255,255,255,.78);border-radius:999px;padding:7px 10px}.launch-panel{padding:34px;background:rgba(255,255,255,.58);border-left:1px solid rgba(148,163,184,.22);display:flex;flex-direction:column;justify-content:center}.launch-panel label{font-weight:730;font-size:.88rem;margin-bottom:7px}.launch-panel label small{display:block;color:#98a2b3;font-weight:500;margin-top:2px}.launch-panel input{min-height:46px;border:1px solid #cbd5e1;border-radius:10px;padding:0 12px;background:#fff;font-size:16px}.mode-grid{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin:14px 0}.mode-card{border:1px solid #dbe3ec;background:#fff;border-radius:12px;padding:12px;text-align:left}.mode-card strong,.mode-card span{display:block}.mode-card span{font-size:.74rem;color:#667085;margin-top:3px}.mode-card.selected{border-color:#60a5fa;background:#eff6ff;box-shadow:0 0 0 2px rgba(37,99,235,.08)}.small{font-size:.74rem;color:#98a2b3;line-height:1.45}.primary,.secondary{min-height:40px;border-radius:9px;padding:8px 14px;font-weight:680}.primary{border:1px solid var(--blue);background:var(--blue);color:#fff}.primary:hover{background:var(--blue2)}.secondary{border:1px solid #d8e0e8;background:rgba(255,255,255,.86);color:#344054}.wide{width:100%}.quest-strip{display:grid;grid-template-columns:auto auto auto minmax(140px,1fr) auto auto;gap:16px;align-items:center;background:#111827;color:#fff;border-radius:15px;padding:12px 16px;margin-bottom:13px}.quest-strip>div{display:flex;flex-direction:column;gap:2px;white-space:nowrap}.quest-strip span{font-size:.65rem;text-transform:uppercase;letter-spacing:.08em;color:#94a3b8}.quest-strip strong{font-size:.86rem}.progress{height:7px;background:#334155;border-radius:99px;overflow:hidden}.progress>div{height:100%;width:0;background:linear-gradient(90deg,#60a5fa,#a78bfa);transition:width .2s}.task-card{border-radius:15px;padding:19px 21px;margin-bottom:13px}.task-head{display:flex;justify-content:space-between;gap:15px}.task-head h2{margin:4px 0 0;font-size:1.32rem}.marks{border:1px solid #e2e8f0;background:#eef2f7;border-radius:999px;padding:6px 9px;font-size:.75rem;font-weight:790;height:max-content}.mission-text{color:#344054;line-height:1.62;margin:12px 0}.checklist{display:grid;gap:4px;color:#667085;font-size:.84rem}.checklist div:before{content:"□";margin-right:7px;color:#98a2b3}.feedback{margin-top:12px;padding:10px 12px;border-radius:9px;font-size:.84rem;font-weight:650}.feedback.good{background:#ecfdf3;color:#166534;border:1px solid #bbf7d0}.feedback.bad{background:#fff1f0;color:#991b1b;border:1px solid #fecaca}.feedback.hint{background:#fffaeb;color:#92400e;border:1px solid #fde68a}.task-buttons{display:flex;gap:8px;justify-content:flex-end;margin-top:13px}.app-window{border-radius:15px;overflow:hidden;min-height:585px}.app-titlebar{height:42px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;background:rgba(238,242,247,.82);border-bottom:1px solid #d8e0e8}.doc-title{padding-left:13px;display:flex;align-items:center;gap:8px;font-size:.8rem;font-weight:650}.app-caption{color:#667085;font-size:.78rem}.window-controls{justify-self:end;display:flex}.window-controls span{width:44px;height:42px;display:grid;place-items:center;color:#475467}.ribbon-tabs{height:38px;display:flex;align-items:end;gap:2px;padding-left:9px;background:#f7f8fb;border-bottom:1px solid #e2e8f0}.ribbon-tab,.gimp-menu button{border:0;background:transparent;color:#475467}.ribbon-tab{padding:9px 12px 8px;font-size:.78rem;border-bottom:2px solid transparent}.ribbon-tab.active{color:#1d4ed8;border-bottom-color:#2563eb}.ribbon{min-height:82px;background:#fff;border-bottom:1px solid #e2e8f0;display:flex;align-items:stretch;padding:8px;gap:8px;overflow:auto}.ribbon-group{border-right:1px solid #e5e7eb;padding:0 10px;display:flex;align-items:center;gap:7px}.ribbon-group:last-child{border-right:0}.ribbon-group label{display:grid;gap:3px;font-size:.68rem;color:#667085}.ribbon button,.ribbon select,.ribbon input{min-height:34px;border:1px solid #d9e1ea;background:#fff;border-radius:7px;padding:5px 8px;font-size:.76rem}.ribbon input[type=number]{width:74px}.word-body{display:grid;grid-template-columns:minmax(0,1fr) 270px;min-height:440px;background:#e9edf3}.page-wrap{padding:25px;overflow:auto}.word-page{width:min(760px,100%);min-height:940px;margin:auto;background:#fff;box-shadow:0 3px 18px rgba(15,23,42,.16);padding:70px 68px;position:relative;overflow:hidden}.word-page h2{font-family:Georgia,serif;text-align:center;margin-top:0}.word-page p{font-family:Georgia,serif;line-height:1.55;color:#293241}.doc-table{border-collapse:collapse;width:58%;margin-top:30px;font-size:.76rem}.doc-table td{border:1px solid #7d8792;padding:8px}.doc-img{position:absolute;object-fit:cover;transition:.15s}.doc-img.inline{position:relative;display:block;margin:12px auto}.format-pane{background:#fff;border-left:1px solid #e2e8f0;padding:14px;overflow:auto}.pane-title{font-weight:750;margin-bottom:10px}.pane-empty{color:#98a2b3;font-size:.8rem;line-height:1.5}.control-stack{display:grid;gap:10px}.control-stack label{display:grid;gap:4px;font-size:.73rem;color:#667085}.control-stack input,.control-stack select{min-height:38px;border:1px solid #cfd8e3;border-radius:8px;padding:6px 8px;font-size:16px}.check-row{display:flex!important;align-items:center;gap:7px}.check-row input{min-height:auto}.gimp-menu{height:34px;display:flex;align-items:center;gap:2px;padding:0 8px;background:#252525;color:#eee}.gimp-menu button{color:#eee;padding:6px 9px;font-size:.75rem;border-radius:4px}.gimp-menu button:hover{background:#3b3b3b}.gimp-main{display:grid;grid-template-columns:82px minmax(0,1fr) 280px;min-height:510px;background:#383838}.toolbox{background:#2b2b2b;border-right:1px solid #1f1f1f;padding:8px;display:grid;grid-template-columns:1fr 1fr;align-content:start;gap:5px}.toolbox button{height:48px;border:1px solid #454545;background:#333;color:#eee;border-radius:5px;font-size:1rem}.toolbox button span{display:block;font-size:.55rem;margin-top:2px}.toolbox button.active{background:#555;border-color:#777}.canvas-area{display:flex;flex-direction:column;min-width:0}.canvas-checker{flex:1;min-height:460px;background-color:#555;background-image:linear-gradient(45deg,#666 25%,transparent 25%),linear-gradient(-45deg,#666 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#666 75%),linear-gradient(-45deg,transparent 75%,#666 75%);background-size:22px 22px;background-position:0 0,0 11px,11px -11px,-11px 0;display:grid;place-items:center;padding:22px;overflow:auto}.gimp-canvas{width:720px;height:430px;max-width:100%;background:#d9e6ee;position:relative;overflow:hidden;box-shadow:0 0 0 1px #111,0 6px 24px rgba(0,0,0,.35)}.gimp-layer-img{position:absolute;object-fit:contain;transform-origin:center center}.gimp-status{height:28px;background:#222;color:#ccc;padding:6px 10px;font-size:.7rem}.gimp-side{background:#2d2d2d;color:#eee;border-left:1px solid #1f1f1f;padding:10px;overflow:auto}.side-title{font-size:.7rem;text-transform:uppercase;letter-spacing:.08em;color:#bbb;border-bottom:1px solid #444;padding:5px 2px 8px;margin-bottom:9px}.layers-title{margin-top:18px}.gimp-side .control-stack label{color:#ccc}.gimp-side input,.gimp-side select{background:#3a3a3a;color:#fff;border-color:#555}.gimp-side button{min-height:34px;border:1px solid #555;background:#3a3a3a;color:#fff;border-radius:6px}.layer-list{display:grid;gap:5px}.layer-item{display:grid;grid-template-columns:auto 42px 1fr auto;align-items:center;gap:6px;background:#3a3a3a;border:1px solid #474747;border-radius:5px;padding:5px;font-size:.7rem}.layer-item.active{border-color:#8ab4f8;background:#404b5c}.layer-thumb{width:40px;height:30px;object-fit:cover;background:#fff}.layer-actions{display:flex;gap:2px}.layer-actions button{min-height:26px;width:26px;padding:0}.ppt-body{display:grid;grid-template-columns:170px minmax(0,1fr) 275px;min-height:450px;background:#eceff4}.thumbs{background:#f8f9fb;border-right:1px solid #dde3ea;padding:12px}.thumb{display:grid;grid-template-columns:18px 1fr;gap:7px;align-items:start;font-size:.7rem}.mini-slide{height:80px;background:#fff;border:2px solid #2563eb;box-shadow:0 2px 7px rgba(0,0,0,.1)}.slide-area{display:grid;place-items:center;padding:25px;overflow:auto}.slide-canvas{width:min(760px,100%);aspect-ratio:16/9;background:#fff;box-shadow:0 4px 18px rgba(15,23,42,.18);position:relative;overflow:hidden}.slide-img{position:absolute;object-fit:cover;transform-origin:center}.format-pane{min-width:0}.modal{position:fixed;inset:0;background:rgba(15,23,42,.44);backdrop-filter:blur(5px);display:grid;place-items:center;padding:16px;z-index:70}.dialog{width:min(520px,100%);background:#fff;border-radius:14px;padding:20px;box-shadow:0 25px 80px rgba(15,23,42,.28)}.dialog h3{margin:0 0 13px}.dialog-body{display:grid;gap:9px}.dialog label{font-size:.79rem;color:#475467;font-weight:700}.dialog input,.dialog select{width:100%;min-height:42px;border:1px solid #cfd8e3;border-radius:8px;padding:7px 9px;font-size:16px}.dialog-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:16px}.results{max-width:1050px;margin:28px auto;border-radius:22px;padding:clamp(26px,5vw,52px)}.result-top{display:flex;align-items:center;gap:18px;margin:24px 0}.score-ring{width:112px;height:112px;border-radius:50%;display:grid;place-items:center;border:11px solid #dbeafe;background:#fff}.score-ring span{font-size:1.5rem;font-weight:900;color:#1d4ed8}.big-score{font-size:2rem;font-weight:900}.result-top p{color:#667085;margin:5px 0}.result-grid{display:grid;grid-template-columns:1fr 1.25fr;gap:14px}.result-card{background:rgba(255,255,255,.72);border:1px solid #e2e8f0;border-radius:14px;padding:16px}.skill-row{display:grid;grid-template-columns:135px 1fr auto;gap:9px;align-items:center;margin:10px 0;font-size:.8rem}.skill-track{height:7px;border-radius:99px;background:#e5e7eb;overflow:hidden}.skill-track div{height:100%;background:#3b82f6}.review-row{display:grid;grid-template-columns:1fr auto;gap:10px;border-bottom:1px solid #eef2f6;padding:9px 0;font-size:.8rem}.ok{color:#15803d;font-weight:800}.miss{color:#b42318;font-weight:800}.result-buttons{display:flex;justify-content:flex-end;gap:8px;margin-top:18px}.link{display:inline-flex;align-items:center;text-decoration:none}.taskbar{position:fixed;bottom:0;left:0;right:0;height:48px;background:rgba(248,250,252,.72);backdrop-filter:blur(24px);border-top:1px solid rgba(255,255,255,.9);display:flex;align-items:center;justify-content:center;gap:6px;z-index:40}.task-icon{width:38px;height:38px;border-radius:8px;display:grid;place-items:center;color:#344054;text-decoration:none}.task-icon.active,.task-icon:hover{background:#fff}@media(max-width:1020px){.start-window{grid-template-columns:1fr}.launch-panel{border-left:0;border-top:1px solid #e2e8f0}.quest-strip{grid-template-columns:auto auto auto 1fr auto}.quest-strip>div:last-child{display:none}.word-body{grid-template-columns:1fr}.format-pane{border-left:0;border-top:1px solid #e2e8f0}.gimp-main{grid-template-columns:70px minmax(0,1fr)}.gimp-side{grid-column:1/-1;border-left:0;border-top:1px solid #1f1f1f;display:grid;grid-template-columns:1fr 1fr;gap:14px}.ppt-body{grid-template-columns:130px minmax(0,1fr)}.ppt-body>.format-pane{grid-column:1/-1}.result-grid{grid-template-columns:1fr}}@media(max-width:680px){.topbar{grid-template-columns:1fr auto;padding:0 8px}.top-title{display:none}.shell{width:min(100% - 10px,1360px);margin-top:10px}.intro,.launch-panel{padding:24px 20px}.mode-grid{grid-template-columns:1fr}.quest-strip{grid-template-columns:auto 1fr auto;gap:8px}.quest-strip>div:nth-child(2),.quest-strip>div:nth-child(3){display:none}.task-head{flex-direction:column}.task-buttons{justify-content:stretch}.task-buttons button{flex:1}.ribbon{min-height:70px}.word-page{padding:45px 36px;min-height:800px}.gimp-main{grid-template-columns:1fr}.toolbox{grid-template-columns:repeat(4,1fr);border-right:0;border-bottom:1px solid #1f1f1f}.gimp-side{grid-template-columns:1fr}.ppt-body{grid-template-columns:1fr}.thumbs{display:none}.slide-area{padding:12px}.result-top{align-items:flex-start}.skill-row{grid-template-columns:105px 1fr auto}}

/* Error 24: retain PowerPoint slide navigation on phones instead of removing it. */
@media(max-width:680px){
  .ppt-body{grid-template-columns:1fr!important;min-width:0}
  .thumbs{display:flex!important;gap:7px;overflow-x:auto;border-right:0;border-bottom:1px solid #dde3ea;padding:7px;min-height:72px}
  .thumbs .thumb{flex:0 0 86px;margin:0}
  .slide-area{min-width:0;overflow:auto}
  .ppt-body>.format-pane{grid-column:1!important}
}