.login-wrap{min-height:100vh;display:grid;place-items:center;padding:28px}.login-card{width:min(100%,470px);background:var(--surface,#fff);border:1px solid var(--line,#e2e8f0);border-radius:28px;padding:40px;box-shadow:0 25px 75px #17243a12}.login-card .brand-mark{margin-bottom:25px}.login-card h1{font-size:32px;letter-spacing:-1.2px;margin:8px 0 12px}.login-description{color:var(--muted,#73819a);font-size:14px;line-height:1.7;margin:0 0 28px}.login-card label{display:block;font-size:13px;font-weight:800;margin-bottom:9px}.autocomplete{position:relative}.name-input{width:100%;border:1px solid var(--line,#d9e1ef);border-radius:13px;padding:15px 14px;background:#fff;color:var(--ink,#17243a);outline:none}.name-input:focus{border-color:var(--accent,#3977f6);box-shadow:0 0 0 3px var(--accent-soft,#eaf0ff)}.suggestions{position:absolute;z-index:30;top:calc(100% + 5px);left:0;right:0;background:#fff;border:1px solid var(--line,#e1e7f0);border-radius:13px;box-shadow:0 16px 38px #17243a20;max-height:270px;overflow:auto}.suggestion{padding:13px 14px;border-bottom:1px solid #edf0f5;cursor:pointer;font-size:13px}.suggestion:last-child{border-bottom:0}.suggestion:hover{background:var(--accent-soft,#eaf0ff)}.suggestion strong{font-weight:800}.suggestion span{color:var(--muted,#73819a)}.primary-button{width:100%;margin-top:15px}.login-footnote{font-size:11px;color:var(--muted,#73819a);margin:23px 0 0;text-align:center}.portal-shell{display:flex;min-height:100vh;padding:16px;gap:16px;max-width:1800px;margin:0 auto}.sidebar{width:250px;flex:0 0 250px;min-height:calc(100vh - 32px);display:flex;flex-direction:column;background:var(--sidebar,#202f49);color:#fff;border-radius:22px;padding:19px 13px;box-shadow:0 12px 35px #17243a12}.sidebar-brand{display:flex;align-items:center;gap:11px;padding:0 8px 24px}.sidebar-brand strong{display:block;font-size:13px;letter-spacing:1.1px}.sidebar-brand span{display:block;font-size:11px;color:#aebdd2;margin-top:3px}.welcome-block{padding:17px 11px 21px;border-top:1px solid #ffffff17;border-bottom:1px solid #ffffff17}.welcome-block .eyebrow{color:var(--sidebar-muted,#aebdd2);font-size:9px}.welcome-block h2{font-size:19px;letter-spacing:-.4px;margin:9px 0 12px;overflow-wrap:anywhere}.class-chip{background:var(--accent-soft,#eaf0ff)}.app-nav{padding-top:19px;display:flex;flex-direction:column;gap:5px}.nav-section-label{font-size:9px;letter-spacing:1.3px;color:var(--sidebar-muted,#aebdd2);font-weight:800;padding:18px 11px 6px}.nav-item{width:100%;display:flex;align-items:center;gap:12px;text-align:left;border:0;background:transparent;color:#d8e1ef;border-radius:12px;padding:12px 11px;font-size:13px;font-weight:650;transition:background .15s,color .15s}.nav-item:hover{background:#ffffff0d;color:#fff}.nav-item.is-active{background:var(--accent,#3977f6);color:#fff;box-shadow:0 7px 18px color-mix(in srgb,var(--accent,#3977f6) 25%,transparent)}.nav-icon{width:19px;text-align:center;font-size:18px;line-height:1}.nav-arrow{margin-left:auto;opacity:.65;font-size:12px}.sidebar-bottom{display:flex;align-items:center;gap:8px;margin-top:auto;padding:17px 5px 3px;border-top:1px solid #ffffff17}.student-mini{display:flex;align-items:center;gap:9px;min-width:0;flex:1}.avatar{width:34px;height:34px;display:grid;place-items:center;border-radius:50%;background:var(--accent-soft,#eaf0ff);color:var(--accent,#3977f6);font-size:11px;font-weight:900;flex-shrink:0}.student-mini-text{min-width:0}.student-mini-text strong{display:block;font-size:11px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.student-mini-text span{display:block;font-size:10px;color:#aebdd2;margin-top:3px}.logout-button{width:33px;height:33px;flex-shrink:0;border:1px solid #ffffff2c;border-radius:10px;background:transparent;color:#fff}.logout-button:hover{background:#ffffff12}.main-area{min-width:0;flex:1;display:flex;flex-direction:column;background:var(--surface,#fff);border:1px solid var(--line,#e2e8f0);border-radius:22px;overflow:hidden;box-shadow:0 12px 35px #17243a09}.topbar{height:69px;flex-shrink:0;display:flex;align-items:center;gap:15px;padding:0 27px;border-bottom:1px solid var(--line,#e2e8f0);background:var(--surface,#fff)}.topbar-spacer{flex:1}.date-block{text-align:right}.date-label{display:block;font-size:9px;letter-spacing:1.3px;color:var(--muted,#73819a);font-weight:800}.date-block strong{display:block;font-size:13px;margin-top:4px}.mobile-brand,.mobile-menu-button{display:none}.content-view{flex:1;min-height:0}.about-view{padding:27px;overflow:auto}.hero-card{position:relative;min-height:215px;display:flex;align-items:center;overflow:hidden;border-radius:19px;padding:30px 34px;background:linear-gradient(115deg,var(--hero-start,#eaf1ff),var(--hero-end,#f5f1ff));border:1px solid color-mix(in srgb,var(--accent,#3977f6) 10%,white)}.hero-copy{position:relative;z-index:2;max-width:490px}.hero-copy .eyebrow{color:var(--accent,#3977f6)}.hero-copy h1{font-size:clamp(28px,3vw,42px);letter-spacing:-1.8px;line-height:1.08;margin:12px 0}.hero-copy h1 span{color:var(--accent,#3977f6)}.hero-copy p{color:#66758e;font-size:14px;line-height:1.7;max-width:390px;margin:0}.hero-meta{display:flex;align-items:center;gap:8px;color:#65738b;font-size:11px;margin-top:20px}.meta-dot{width:7px;height:7px;border-radius:50%;background:var(--accent,#3977f6)}.hero-meta strong{color:var(--ink,#17243a)}.hero-art{position:absolute;right:8%;top:0;bottom:0;width:270px;display:grid;place-items:center;opacity:.92}.art-orbit{position:absolute;border:1px solid color-mix(in srgb,var(--accent,#3977f6) 24%,transparent);border-radius:50%;transform:rotate(-25deg)}.orbit-one{width:230px;height:130px}.orbit-two{width:170px;height:210px;transform:rotate(38deg)}.art-screen{width:112px;height:87px;display:flex;flex-direction:column;gap:8px;padding:15px;border-radius:14px;background:var(--accent,#3977f6);box-shadow:0 18px 35px color-mix(in srgb,var(--accent,#3977f6) 25%,transparent);transform:rotate(-7deg)}.art-screen span{font-size:20px;font-weight:900;color:#fff;letter-spacing:2px;margin-bottom:1px}.art-screen i{display:block;height:4px;border-radius:4px;background:#ffffff9c;width:80%}.art-screen i:last-child{width:55%}.art-spark{position:absolute;color:var(--accent,#3977f6);font-weight:900}.spark-one{top:25%;right:20%;font-size:22px}.spark-two{bottom:24%;left:17%;font-size:26px}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:15px;margin:29px 0 16px}.section-heading h2{font-size:20px;letter-spacing:-.5px;margin:6px 0 0}.app-cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:13px}.app-card{display:flex;flex-direction:column;align-items:flex-start;min-width:0;min-height:190px;text-align:left;border:1px solid var(--line,#e2e8f0);background:var(--surface,#fff);border-radius:16px;padding:17px;transition:transform .17s,border-color .17s,box-shadow .17s;color:var(--ink,#17243a)}.app-card:hover{transform:translateY(-3px);border-color:var(--accent,#3977f6);box-shadow:0 10px 25px #17243a0c}.app-card-icon{width:39px;height:39px;display:grid;place-items:center;border-radius:12px;font-size:20px;font-weight:800;margin-bottom:13px}.icon-test{background:#e9f1ff;color:#3977f6}.icon-she{background:#e4f7ef;color:#15956c}.icon-ppt{background:#fff1e7;color:#df7b37}.icon-chat{background:#eee9ff;color:#7657db}.app-card-title{font-size:14px;font-weight:850}.app-card-description{font-size:11px;line-height:1.6;color:var(--muted,#73819a);margin-top:7px}.card-open{font-size:10px;color:var(--accent,#3977f6);font-weight:800;margin-top:auto;padding-top:14px}.page-footer{font-size:10px;color:#9aa5b5;padding:25px 0 0}.page-footer span{padding:0 5px}.app-view{display:flex;flex-direction:column;min-height:0;padding:18px 20px 13px}.embedded-toolbar{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:0 0 15px}.embedded-toolbar h1{font-size:23px;letter-spacing:-.7px;margin:5px 0 0}.embedded-actions{display:flex;align-items:center;gap:7px;flex-wrap:wrap}.frame-wrap{position:relative;flex:1;min-height:350px;overflow:hidden;border:1px solid var(--line,#e2e8f0);border-radius:13px;background:#f8fafc}.frame-wrap iframe{display:block;width:100%;height:100%;min-height:500px;border:0;background:#fff}.frame-notice{font-size:10px;color:var(--muted,#73819a);margin:9px 2px 0}.is-hidden{display:none!important}@media(max-width:1150px){.app-cards{grid-template-columns:repeat(2,minmax(0,1fr))}.hero-art{right:1%;opacity:.55}}@media(max-width:760px){.portal-shell{padding:0;gap:0;min-height:100vh}.sidebar{position:fixed;z-index:50;top:0;bottom:0;left:0;width:min(280px,85vw);min-height:0;border-radius:0 20px 20px 0;transform:translateX(-105%);transition:transform .2s;box-shadow:12px 0 35px #17243a22}.sidebar.mobile-open{transform:translateX(0)}.main-area{min-height:100vh;border-radius:0;border:0}.topbar{height:60px;padding:0 15px}.mobile-brand{display:flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.7px}.mobile-menu-button{display:block;border:1px solid var(--line,#e2e8f0);background:#fff;border-radius:9px;padding:7px 10px;color:var(--ink,#17243a)}.date-label{font-size:8px}.date-block strong{font-size:11px}.about-view{padding:16px}.hero-card{padding:24px 20px;min-height:230px}.hero-copy{max-width:85%}.hero-copy h1{font-size:31px}.hero-art{right:-80px;opacity:.25}.section-heading{align-items:center}.section-heading h2{font-size:18px}.app-cards{gap:9px}.app-card{padding:13px;min-height:178px}.app-card-description{font-size:10px}.app-view{padding:14px 10px}.embedded-toolbar{align-items:flex-start;flex-direction:column}.embedded-toolbar h1{font-size:21px}.frame-wrap iframe{min-height:65vh}.login-card{padding:30px 24px;border-radius:23px}.login-card h1{font-size:28px}}@media(max-width:380px){.app-cards{grid-template-columns:1fr}.app-card{min-height:150px}.hero-copy{max-width:100%}.hero-art{display:none}.section-heading .class-chip{font-size:10px}}
.brand-icon svg{display:block;width:100%;height:100%;}.nav-icon.brand-icon{width:21px;height:21px;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0}.app-card-icon.brand-icon{padding:7px;background:#fff;border:1px solid #eef0f3}.nav-item.is-active .nav-icon.brand-icon{background:#fff;border-radius:5px;padding:2px}