/* Brighter student-facing design, following the first review. */
:root{--teal:#087f83;--lime:#e2f58c;--paper:#f5f8fc;--muted:#566d7b}
.content{padding-top:28px}.sidebar{background:#fff}.navlink{font-size:14px;padding:14px 15px}.navlink .icon{width:23px;height:23px}.navlink.active{background:#dff4f1;color:#09696d}.brand-caption{padding-bottom:18px}.hero{background:#113e60;min-height:260px}.hero-copy{background:linear-gradient(115deg,#10395b,#0d5b70)}.hero .eyebrow{font-size:11px}.hero h2{font-size:36px}.hero p{font-size:14px}.sectionhead h2{font-size:23px}.dashboard-grid{gap:14px}.resource-tile{padding:20px 17px;min-height:182px;border:1px solid #dce8ed}.resource-tile:nth-child(1){background:#e2f5f1;border-color:#cbeae1}.resource-tile:nth-child(2){background:#fff3cf;border-color:#f2e5b8}.resource-tile:nth-child(3){background:#eae8ff;border-color:#dcd7f6}.tile-icon{width:46px;height:46px;margin-bottom:14px;background:#fff9;border-radius:12px}.tile-icon .icon{width:27px;height:27px}.tile-icon.gold,.tile-icon.blue{background:#fff9}.resource-tile h3{font-size:18px;letter-spacing:-.55px}.resource-tile p{font-size:12px;margin:6px 0 12px}.tile-bottom{font-size:11px}.tile-bottom .icon{width:18px;height:18px}.scorecard{background:#eaf6d9;border-color:#dce9c9;padding:20px 17px}.scorecard.latest{background:#e4f0ff;border-color:#d4e1f0}.scorelabel{font-size:13px}.scorecard p{font-size:11px}.scorevalue{font-size:39px;margin-top:16px}.scorelabel .icon{width:22px;height:22px}.hero-art{background:#edf7ff}.video-info h3{font-size:14px}.video-info small{font-size:11px}.video-tile{width:275px}.statsbar{background:#fff}.statsbar strong{font-size:27px}.statsbar small{font-size:12px}.statsintro strong{font-size:15px}.testimonial{background:#fff4db;border-color:#f0e4c4;margin-top:0}.testimonial h3{font-size:20px}.testimonial p{font-size:13px}.btn{font-size:13px}.testcard h3{font-size:21px}.review-stars{display:flex;gap:9px;margin:8px 0}.review-stars button{padding:5px;border:0;background:none;font-size:34px;color:#a8790d}.review-stars button.selected{color:#c88c00}.review-stars button:focus-visible{outline-offset:0}.review-confirm{background:#ecf6ef;padding:15px;border-radius:10px;font-size:13px;line-height:1.7}
@media(max-width:1200px){.hero h2{font-size:31px}.resource-tile{min-height:170px}.scorecard{min-height:140px}.scorevalue{margin-top:10px}.scorecard .progressline{margin-top:10px}}@media(max-width:800px){.navlink{font-size:12px;padding:10px 12px}.navlink .icon{width:19px;height:19px}.hero h2{font-size:33px}.sectionhead h2{font-size:21px}}@media(max-width:500px){.resource-tile{padding:15px 11px;min-height:174px}.resource-tile h3{font-size:15px}.resource-tile p{font-size:11px}.tile-icon{width:39px;height:39px}.tile-icon .icon{width:24px;height:24px}.tile-bottom{font-size:10px}.scorelabel{font-size:12px}.hero h2{font-size:30px}.hero p{font-size:13px}.scorecard{padding:17px}.sectionhead{align-items:flex-start}.sectionhead .btn{font-size:11px;padding:9px}.statsbar strong{font-size:25px}.statsbar small{font-size:11px}.navlink .icon{display:none}.navlink{font-size:11px;padding:10px}}

/* Reuse the actual emblem in the supplied SAT 4 All banner. */
.brand-symbol.brand-art{width:52px;height:51px;flex-shrink:0;background:#fff url('/assets/sat4all-banner.png') center -14px / 235px auto no-repeat;border-radius:10px}.brand{gap:8px;font-size:22px}.mobile-brand .brand-art{width:43px;height:44px;background-size:205px auto;background-position:center -12px}.mobile-brand{font-size:19px}#main:focus{outline:none}.review-question h3{white-space:pre-wrap}.review-answer p{white-space:pre-wrap}.test-list .btn{justify-content:space-between;gap:12px}.test-list small{color:inherit}.test-list .dark small{color:#c8dce5}
#auth-dialog{position:relative;max-width:480px;width:calc(100% - 32px);border:1px solid #d8e5e4;border-radius:24px;padding:32px;color:#102d40;background:white}#auth-dialog::backdrop{background:#102d4099}#auth-dialog h2{font-size:27px;padding-right:20px}#auth-dialog input{width:100%;box-sizing:border-box;margin:8px 0 18px;padding:13px;border:1px solid #9eb7bd;border-radius:10px;font:inherit}#auth-dialog label{display:block;font-weight:600}.auth-close{position:absolute;right:12px;top:12px}.auth-providers{display:grid;gap:10px;margin-top:20px}.auth-divider{text-align:center;margin:20px;color:#516b77}.auth-links{display:grid;gap:12px;margin-top:20px}.auth-security{display:flex;gap:10px;align-items:center;color:#087f78;font-size:14px}.auth-notice{padding:12px;background:#fff3cb;border-radius:12px}#auth-message{min-height:24px}#auth-dialog button:disabled{opacity:.55;cursor:not-allowed}@media(max-width:600px){.top-actions{gap:5px}.top-actions .free-tag{display:none}.top-actions .btn{padding:8px}.top-actions .profile{font-size:12px}}
#auth-dialog{position:fixed;max-height:calc(100dvh - 32px);overflow:auto;inset:0;margin:auto}.auth-links .textlink{border:0;background:transparent;padding:4px 0;text-align:left}#auth-dialog p{margin:12px 0}#auth-dialog .auth-providers{margin-top:12px}
#cloud-profile{display:grid;gap:10px;margin:24px 0;max-width:480px}#cloud-profile input,#admin-panel input,#admin-panel select{padding:11px;border:1px solid #bed5d4;border-radius:10px;max-width:100%;font:inherit}#cloud-panel .metric{background:#edf7f4;color:#102d40;border-radius:14px;padding:18px}#cloud-panel .metric strong{color:#087f78}.admin-record{margin:16px 0}.admin-record pre{white-space:pre-wrap;overflow-wrap:anywhere;background:#f3f7fa;padding:14px;border-radius:12px;max-height:240px;overflow:auto}#admin-edit label{display:block;margin:12px 0}#admin-edit input{display:block;width:100%;padding:10px}#admin-records{overflow-wrap:anywhere}@media(max-width:600px){.top-actions .profile{display:none}.top-actions .btn{font-size:11px}.mobile-brand{font-size:16px}}

/* Readable type and complete logo fit — owner review. */
:root{--nav:270px}body{font-size:17px;line-height:1.55}.content{padding:32px;max-width:1600px}.sidebar{padding:26px 20px;overflow-y:auto}.brand{font-size:26px;gap:10px}.brand-symbol.brand-art,.mobile-brand .brand-art{width:64px;height:64px;min-width:64px;border-radius:50%;background:#fff;border:1px solid #dce6ef;display:grid;place-items:center;overflow:hidden;box-shadow:0 3px 12px #102d4010}.brand-art svg{display:block;width:50px;height:50px}.brand-caption{font-size:11px;letter-spacing:1.2px}.navlabel{font-size:12px;letter-spacing:1px}.navlink{font-size:18px;padding:15px 12px;gap:12px}.navlink .icon{width:25px;height:25px}.sidebar-note strong{font-size:18px}.sidebar-note p,.sidebar-note a{font-size:15px}.sidebar-note{margin-top:28px}.sidefoot{font-size:12px}.breadcrumb{font-size:14px}.free-tag,.profile{font-size:14px}.topbar{padding:0 32px;min-height:86px;height:auto}.top-actions{gap:10px;flex-wrap:wrap;padding:12px 0}.top-actions .free-tag{display:none}
h1{font-size:40px;line-height:1.2}h2,.sectionhead h2{font-size:28px;line-height:1.3}h3{font-size:22px;line-height:1.35}.page-heading p{font-size:17px;max-width:720px}.eyebrow{font-size:13px;letter-spacing:1.3px}.btn,.textlink{font-size:16px}.btn{padding:13px 18px}.btn .icon{width:20px;height:20px}small,.small{font-size:14px}.hero{grid-template-columns:1fr 1fr;min-height:340px}.hero-copy{padding:36px}.hero .eyebrow{font-size:13px}.hero h2{font-size:40px;line-height:1.18;max-width:550px}.hero p{font-size:17px;max-width:540px}.hero-art{min-width:0;display:flex;align-items:center}.hero-art img{width:100%;height:auto;object-fit:contain}.hero-buttons{flex-wrap:wrap}.resource-tile{padding:23px 20px;min-height:215px}.resource-tile h3{font-size:23px}.resource-tile p{font-size:16px}.tile-bottom{font-size:15px}.tile-icon{width:52px;height:52px}.tile-icon .icon{width:31px;height:31px}.scorelabel{font-size:17px}.scorecard p{font-size:15px}.scorevalue{font-size:46px}.scorevalue small{font-size:17px}.video-info h3{font-size:19px}.video-info small{font-size:14px}.video-tile{width:310px}.testcard h3{font-size:25px}.testcard p,.testmeta,.test-status,.filter,.pill{font-size:15px}.test-status{line-height:1.5}.statsbar small{font-size:15px}.statsintro strong{font-size:19px}.testimonial h3{font-size:25px}.testimonial p{font-size:17px}.footer{font-size:14px}.notice{font-size:16px}.question h2{font-size:27px}.answer{font-size:18px}.question .small,.test-side .small{font-size:15px}.review-question h3{font-size:23px}.review-answer p,.lesson p,.lesson li{font-size:18px}.metric span,.metric small{font-size:15px}dialog p,.review-confirm{font-size:16px}dialog label,dialog input,dialog textarea,dialog select{font-size:17px}.search{font-size:16px}
@media(min-width:801px) and (max-width:1400px){.dashboard-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.hero{grid-template-columns:1fr}.hero-art{max-height:260px;justify-content:center}.hero-art img{max-height:260px;width:auto;max-width:100%}.grid3{grid-template-columns:repeat(2,minmax(0,1fr))}.breadcrumb{display:none}}
@media(max-width:800px){:root{--nav:0px}.sidebar{padding:0;overflow:visible}.sidebar-note{display:none}.sidebar nav{gap:4px}.navlink{font-size:15px;padding:12px}.navlink .icon{width:21px;height:21px}.mobile-brand{font-size:21px}.mobile-brand .brand-art{width:48px;height:48px;min-width:48px}.mobile-brand .brand-art svg{width:38px;height:38px}.topbar{padding:8px 16px;gap:8px;min-height:80px}.top-actions{gap:6px}.top-actions .btn{font-size:13px;padding:10px}.content{padding:26px 20px}h1{font-size:33px}.page-heading{flex-wrap:wrap}.page-heading p{font-size:16px}.page-heading .btn{font-size:15px}h2,.sectionhead h2{font-size:25px}.hero{grid-template-columns:1fr}.hero-copy{padding:28px}.hero h2{font-size:35px}.hero p{font-size:17px}.hero-art{height:auto;max-height:230px;justify-content:center}.hero-art img{max-height:230px;width:auto;max-width:100%}.dashboard-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.sectionhead{gap:14px;flex-wrap:wrap}.sectionhead .btn{font-size:14px}.resource-tile{padding:20px 16px;min-height:210px}.resource-tile h3{font-size:21px}.resource-tile p{font-size:15px}.tile-bottom{font-size:14px}.scorelabel{font-size:16px}.scorecard p{font-size:15px}.statsbar small{font-size:14px}.question h2{font-size:23px}.review-question h3{font-size:21px}}
@media(max-width:500px){.navlink{font-size:15px;padding:12px}.content{padding:24px 16px}.hero h2{font-size:32px}.hero .eyebrow{font-size:12px}.hero-copy{padding:25px}.hero-buttons .textlink{font-size:15px}.resource-tile h3{font-size:20px}.tile-icon{width:46px;height:46px}.tile-icon .icon{width:29px;height:29px}.resource-tile{padding:18px 13px}.scorevalue{font-size:40px}.scorecard{padding:18px 13px}.top-actions .btn{font-size:12px;padding:9px}.mobile-brand{font-size:18px;gap:6px}.mobile-brand .brand-art{width:42px;height:42px;min-width:42px}.mobile-brand .brand-art svg{width:33px;height:33px}.testimonial h3{font-size:22px}}
.brand-art img{display:block;width:52px;height:52px;object-fit:contain}.mobile-brand .brand-art img{width:38px;height:38px}.sidebar{scrollbar-width:thin;scrollbar-color:#b2c9cc transparent}.video-strip{overflow-x:auto;scrollbar-width:thin;scrollbar-color:#82b9b9 #e8f0f1}.video-strip:focus-within .video-track,.video-strip:hover .video-track{animation-play-state:paused}.video-strip::-webkit-scrollbar{height:9px}.video-strip::-webkit-scrollbar-thumb{background:#82b9b9;border-radius:10px}.video-strip::-webkit-scrollbar-track{background:#e8f0f1}.cloud-notice{background:#fff3cf;padding:16px;border-radius:12px}@media(max-width:500px){.mobile-brand .brand-art img{width:33px;height:33px}.top-actions{max-width:100%;gap:5px}.topbar{flex-wrap:wrap}}
[hidden]{display:none!important}

/* Compact laptop composition; hero stays side by side from 1000 CSS px. */
@media(min-width:801px){:root{--nav:228px}.sidebar{padding:22px 16px}.brand{font-size:22px}.brand-art img{width:46px;height:46px}.navlink{font-size:15px;padding:12px 13px;gap:11px}.navlabel{margin:18px 10px 12px}.brand-caption{padding-bottom:20px}.topbar{height:70px;padding:0 28px}.content{padding:26px 28px;max-width:1600px}.hero{min-height:285px}.hero-copy{padding:28px}.hero h2{font-size:clamp(28px,2.55vw,36px)}.hero p{font-size:15px}.hero .eyebrow{font-size:11px}.hero-buttons .btn,.hero-buttons .textlink{font-size:14px}}
@media(min-width:1000px){.hero{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.hero-art{height:auto;max-height:none}.hero-art img{width:100%;height:auto;max-height:none}}
@media(min-width:1000px) and (max-width:1200px){.hero-copy{padding:24px}.hero h2{font-size:28px}.hero-buttons{gap:12px}.hero-buttons .btn{padding:11px 12px}}

/* Comfortable wide-monitor composition; exam players retain their compact spacing. */
@media(min-width:1800px){.content{width:100%;max-width:1950px;padding:40px 56px}.heading h1,.page-heading h1{font-size:44px}.hero h2{font-size:44px}.hero p{font-size:19px}.hero-copy{padding:42px}.resource-tile h3{font-size:23px}.resource-tile p{font-size:16px}.navlink{font-size:17px}.hero .eyebrow{font-size:14px}.hero-buttons .btn,.hero-buttons .textlink{font-size:17px}}

@media(min-width:2400px){.content{max-width:2200px;padding:46px 64px}.hero h2{font-size:48px}.hero p{font-size:21px}.sectionhead h2{font-size:30px}.resource-tile h3{font-size:26px}.resource-tile p{font-size:18px}.video-info h3{font-size:19px}.video-info small{font-size:15px}.video-tile{width:320px}.statsbar small{font-size:15px}.navlink{font-size:19px}}

.formula-atlas{display:grid;gap:28px;margin-top:24px;max-width:1100px}.atlas-panel{position:relative;overflow:hidden;border:1px solid #315765;border-radius:22px;background:#102b3c;color:#edf5ff;padding:30px;isolation:isolate}.atlas-panel header>span{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:#8fdfd4}.atlas-panel h2{font-size:28px;margin:10px 0}.atlas-panel h3{color:#dff28e;font-size:16px}.atlas-formula{font-size:clamp(25px,3vw,42px);text-align:center;padding:24px 12px;border-bottom:2px solid #8fdfd4;overflow:auto;color:white}.atlas-columns{display:grid;grid-template-columns:1fr 1fr;gap:25px}.atlas-panel p{line-height:1.7;font-size:17px}.atlas-panel aside{padding:4px 18px;border-left:3px solid #87bdff;background:#ffffff09}.atlas-watermark{position:absolute;z-index:-1;transform:rotate(-25deg);font-size:70px;font-weight:900;opacity:.035;top:45%;left:5%;white-space:nowrap}.atlas-panel footer{font-size:11px;margin-top:20px;color:#b2c8d6}@media(max-width:650px){.atlas-columns{grid-template-columns:1fr;gap:0}.atlas-panel{padding:22px}.atlas-panel h2{font-size:24px}}@media print{.formula-atlas{display:block}.atlas-panel{break-inside:avoid;margin:20px 0;background:white;color:#122b3b;border:1px solid #aaa}.atlas-panel h3,.atlas-formula{color:#122b3b}.atlas-panel .atlas-watermark{opacity:.08}.sidebar,.topbar,.footer,.filters,#atlas-print{display:none!important}}