:root{--blue-950:#061b46;--blue-900:#082c6c;--blue-800:#0b47a9;--blue-700:#075fd9;--blue-600:#0877ef;--cyan:#23d4e8;--ink:#12213f;--muted:#62708a;--line:#dce6f5;--soft:#f4f8ff;--white:#fff;--success:#0f9d73;--danger:#d64b4b;--radius:20px;--shadow:0 18px 50px rgba(8,44,108,.12)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:#fff;line-height:1.55}a{color:inherit;text-decoration:none}button,input{font:inherit}img{max-width:100%;height:auto}.container{width:min(1160px,calc(100% - 32px));margin:auto}.narrow{width:min(780px,100%)}.skip-link{position:absolute;left:-9999px;top:8px;background:#fff;padding:8px 12px;z-index:999}.skip-link:focus{left:8px}.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(220,230,245,.9)}.nav-wrap{height:74px;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;gap:10px;min-width:max-content}.brand img{border-radius:50%}.brand-text{display:flex;flex-direction:column;line-height:1.15}.brand-text strong{font-size:17px}.brand-text small{font-size:11px;color:var(--muted);margin-top:4px}.desktop-nav{display:flex;align-items:center;gap:8px;margin-left:auto}.desktop-nav a{padding:9px 11px;border-radius:10px;font-weight:650;font-size:14px;color:#42506a}.desktop-nav a:hover,.desktop-nav a.is-active{color:var(--blue-700);background:var(--soft)}.nav-actions{display:flex;gap:8px}.nav-toggle{display:none;border:0;background:transparent;font-size:24px}.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:12px;border:1px solid transparent;padding:11px 16px;font-weight:750;cursor:pointer;transition:.2s}.btn:hover{transform:translateY(-1px)}.btn-sm{padding:8px 12px;font-size:14px}.btn-lg{padding:14px 20px}.btn-primary{background:linear-gradient(135deg,var(--blue-700),var(--blue-600));color:#fff;box-shadow:0 10px 24px rgba(7,95,217,.25)}.btn-secondary{background:#fff;border-color:#cbd9ee;color:var(--blue-800)}.btn-ghost{background:transparent;color:var(--blue-800)}.btn-light{background:#fff;color:var(--blue-900)}.full{width:100%}.hero{position:relative;overflow:hidden;background:radial-gradient(circle at 80% 20%,rgba(35,212,232,.24),transparent 26%),linear-gradient(145deg,#061b46 0%,#083a8c 58%,#0768df 100%);color:#fff;padding:74px 0 68px}.hero:after{content:"";position:absolute;width:580px;height:580px;border:1px solid rgba(255,255,255,.09);border-radius:50%;right:-260px;top:-250px}.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.15fr .85fr;gap:46px;align-items:center}.eyebrow{font-size:12px;font-weight:850;letter-spacing:.13em;color:var(--blue-700);margin-bottom:10px}.hero .eyebrow{color:#6debf3}.hero h1,.page-hero h1{margin:0;font-size:clamp(38px,5vw,66px);line-height:1.02;letter-spacing:-.045em}.hero h1 span{color:#69eff6}.hero-lead{font-size:18px;color:#d9e8ff;max-width:740px}.hero-actions{display:flex;gap:12px;margin-top:26px;flex-wrap:wrap}.trust-row{display:flex;gap:18px;flex-wrap:wrap;margin-top:22px;color:#c5dcff;font-size:13px}.hero-panel{background:linear-gradient(180deg,rgba(255,255,255,.13),rgba(255,255,255,.07));border:1px solid rgba(255,255,255,.18);padding:28px;border-radius:28px;box-shadow:0 25px 80px rgba(0,0,0,.18);display:grid;grid-template-columns:1fr;gap:10px;max-width:420px;margin-left:auto}.hero-logo{text-align:center}.hero-logo img{border-radius:50%;box-shadow:0 12px 30px rgba(0,0,0,.22)}.flow-card{display:flex;align-items:center;justify-content:space-between;padding:13px 15px;border-radius:14px;background:rgba(255,255,255,.1)}.flow-card span{color:#c9e6ff;font-size:13px}.flow-arrow{text-align:center;color:#59e8f2}.section{padding:72px 0}.section-soft{background:var(--soft)}.section-dark{background:linear-gradient(145deg,#061b46,#0a3e92);color:#fff}.section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:30px}.section-head.compact{margin-bottom:20px}.section-head h2,.split-panel h2,.pro-grid h2{font-size:clamp(28px,3vw,42px);line-height:1.12;letter-spacing:-.03em;margin:0}.section-head p{max-width:440px;color:var(--muted);margin:0}.course-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.course-card{position:relative;border:1px solid var(--line);border-radius:18px;padding:20px;background:#fff;display:flex;align-items:center;gap:15px;transition:.2s;box-shadow:0 7px 22px rgba(8,44,108,.04)}.course-card:hover{border-color:#9dbde8;transform:translateY(-3px);box-shadow:var(--shadow)}.course-card h3,.course-card h2{margin:0 0 4px}.course-card p{margin:0;color:var(--muted);font-size:14px}.course-icon{width:62px;height:62px;border-radius:16px;display:grid;place-items:center;background:linear-gradient(135deg,#e8f4ff,#d8fbff);color:var(--blue-800);font-weight:900;font-size:14px}.arrow{margin-left:auto;font-size:22px;color:var(--blue-700)}.course-grid.large .course-card{min-height:200px}.course-card.stacked{align-items:flex-start}.chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}.chips span{font-size:11px;border:1px solid var(--line);border-radius:999px;padding:4px 8px;color:#566781}.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.feature-grid.three{grid-template-columns:repeat(3,1fr)}.feature-card{background:#fff;border:1px solid var(--line);padding:22px;border-radius:18px}.feature-card h3{margin:13px 0 7px}.feature-card p{color:var(--muted);font-size:14px}.feature-card a{color:var(--blue-700);font-weight:750;font-size:14px}.feature-dot{width:38px;height:38px;border-radius:11px;background:#e9f6ff;color:var(--blue-700);display:grid;place-items:center;font-weight:900}.split-panel{display:grid;grid-template-columns:.9fr 1.1fr;gap:54px;align-items:center}.split-panel p{color:var(--muted)}.topic-list{border:1px solid var(--line);border-radius:20px;overflow:hidden}.topic-item{display:grid;grid-template-columns:52px 1fr 20px;align-items:center;gap:10px;padding:14px 16px;border-bottom:1px solid var(--line)}.topic-item:last-child{border-bottom:0}.topic-number{font-weight:900;color:#94a5bf}.topic-item div{display:flex;flex-direction:column}.topic-item small{color:var(--muted)}.pro-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}.pro-grid p{color:#c9dcfa}.eyebrow-light{color:#6debf3}.mini-comparison{display:grid;grid-template-columns:1fr 1fr;gap:14px}.mini-comparison>div{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);padding:20px;border-radius:18px}.mini-comparison .pro-card{background:rgba(35,212,232,.14);border-color:rgba(35,212,232,.35)}.plan-label{font-size:11px;letter-spacing:.1em;font-weight:900;color:var(--cyan)}.mini-comparison strong{display:block;margin-top:6px}.mini-comparison ul,.price-card ul{padding-left:18px}.faq-section details{border-bottom:1px solid var(--line);padding:17px 0}.faq-section summary{font-weight:800;cursor:pointer}.faq-section details p{color:var(--muted)}.site-footer{background:#071936;color:#d8e5f8;padding:48px 0 92px}.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:30px}.footer-grid>div{display:flex;flex-direction:column;gap:8px}.footer-grid a{color:#c4d4ed;font-size:14px}.footer-grid p{font-size:14px;color:#aebfd8;margin:0}.footer-brand{display:flex;gap:10px;align-items:center}.footer-brand img{border-radius:50%}.muted{color:#8799b7!important}.footer-bottom{border-top:1px solid rgba(255,255,255,.11);margin-top:30px;padding-top:20px;display:flex;justify-content:space-between;color:#91a5c3;font-size:13px}.page-hero{background:linear-gradient(145deg,#eef6ff,#f7fbff);padding:56px 0;border-bottom:1px solid var(--line)}.page-hero h1{color:var(--blue-950);font-size:clamp(36px,4vw,54px)}.page-hero p{color:var(--muted);font-size:17px}.course-layout{display:grid;grid-template-columns:230px 1fr;gap:34px}.course-sidebar{display:flex;flex-direction:column;gap:8px;border:1px solid var(--line);border-radius:18px;padding:16px;height:max-content;position:sticky;top:94px}.level-button{border:0;text-align:left;padding:11px 12px;border-radius:10px;background:transparent;color:#52647d;cursor:pointer}.level-button.selected{background:#eaf4ff;color:var(--blue-800);font-weight:800}.subject-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.subject-card{border:1px solid var(--line);border-radius:15px;padding:16px;display:grid;grid-template-columns:42px 1fr 20px;gap:10px;align-items:center}.subject-card>span{width:36px;height:36px;border-radius:10px;background:var(--soft);display:grid;place-items:center;color:var(--blue-700);font-weight:900;font-size:12px}.subject-card div{display:flex;flex-direction:column}.subject-card small{color:var(--muted)}.subject-card b{color:var(--blue-700)}.demo-question{background:#fff;border:1px solid var(--line);border-radius:22px;padding:28px;max-width:820px;margin:auto;box-shadow:var(--shadow)}.question-meta{display:flex;gap:8px;flex-wrap:wrap}.question-meta span{font-size:11px;font-weight:850;padding:5px 9px;border-radius:999px;background:#ecf6ff;color:var(--blue-700)}.demo-question h2{font-size:24px}.option-list{display:grid;gap:9px}.option-list button{background:#fff;border:1px solid var(--line);border-radius:12px;text-align:left;padding:13px 15px;cursor:pointer}.option-list button:hover{border-color:#94b9e8}.option-list .correct{background:#eafaf4;border-color:#8ad2bd}.option-list .wrong{background:#fff1f1;border-color:#edb1b1}.answer-box{margin-top:15px;background:#eefaf7;border-left:4px solid var(--success);padding:13px 15px;border-radius:10px}.status-pill{display:inline-flex;font-size:10px;font-weight:900;letter-spacing:.08em;padding:5px 8px;border-radius:999px;background:#eef2f7;color:#5a6a80}.status-pill.free{background:#e8faf4;color:#087554}.filter-bar{display:flex;gap:8px;margin-bottom:22px;overflow:auto}.filter-bar button{border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 13px;white-space:nowrap}.filter-bar button.selected{background:var(--blue-700);color:#fff;border-color:var(--blue-700)}.note-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.note-card{border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#fff}.note-thumb{height:118px;background:linear-gradient(145deg,#eaf5ff,#d7fbff);display:grid;place-items:center}.note-thumb span{font-size:50px;font-weight:900;color:var(--blue-800);opacity:.24}.note-card>div:last-child{padding:16px}.note-card h3{margin:8px 0 4px}.note-card p{color:var(--muted);font-size:13px}.note-card a{color:var(--blue-700);font-weight:800;font-size:13px}.dashboard-shell{background:#f5f8fd;min-height:75vh;padding:50px 0 80px}.dashboard-top{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:24px}.dashboard-top h1{margin:0;font-size:clamp(32px,4vw,48px)}.dashboard-top p{color:var(--muted)}.dashboard-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:14px}.dash-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px;min-height:150px}.dash-main{grid-row:span 2}.kicker{font-size:10px;font-weight:900;letter-spacing:.1em;color:var(--blue-700)}.dash-main h2{font-size:28px;margin:9px 0 0}.dash-card p{color:var(--muted)}.progress{height:8px;border-radius:999px;background:#e7edf7;overflow:hidden;margin:20px 0}.progress span{display:block;height:100%;background:linear-gradient(90deg,var(--blue-700),var(--cyan));border-radius:inherit}.dash-actions{display:flex;align-items:center;gap:15px;flex-wrap:wrap}.dash-actions span{font-size:12px;color:var(--muted)}.big-stat{display:block;font-size:34px;margin-top:8px}.auth-section{background:linear-gradient(145deg,#f2f8ff,#eefbff);min-height:72vh;padding:70px 16px}.auth-card{width:min(430px,100%);margin:auto;background:#fff;border:1px solid var(--line);border-radius:24px;padding:30px;box-shadow:var(--shadow);text-align:center}.auth-card img{border-radius:50%}.auth-card h1{margin-bottom:6px}.auth-card p,.auth-card small{color:var(--muted)}.auth-card form{text-align:left;margin-top:22px}.auth-card label{display:block;font-size:13px;font-weight:750;margin-bottom:13px}.auth-card input{width:100%;margin-top:6px;border:1px solid var(--line);border-radius:11px;padding:12px 13px;outline:none}.auth-card input:focus{border-color:#8db9f3;box-shadow:0 0 0 3px #eaf4ff}.pricing-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;max-width:900px;margin:auto}.price-card{border:1px solid var(--line);border-radius:22px;padding:26px}.price-card.featured{border-color:#79b3ff;box-shadow:var(--shadow);background:linear-gradient(180deg,#f8fbff,#eef7ff)}.price-card h2{font-size:32px;margin:10px 0 5px}.price-card p{color:var(--muted)}.price-card li{margin:8px 0}.mobile-bottom-nav{display:none}
@media(max-width:900px){.desktop-nav{position:absolute;top:74px;left:16px;right:16px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:10px;box-shadow:var(--shadow);display:none;flex-direction:column;align-items:stretch}.desktop-nav.open{display:flex}.nav-toggle{display:block;margin-left:auto}.nav-actions{display:none}.hero{padding-top:54px}.hero-grid{grid-template-columns:1fr}.hero-panel{margin:0;max-width:none}.course-grid,.feature-grid,.feature-grid.three,.note-grid{grid-template-columns:1fr 1fr}.split-panel,.pro-grid{grid-template-columns:1fr}.course-layout{grid-template-columns:1fr}.course-sidebar{position:static;flex-direction:row;overflow:auto}.level-button{white-space:nowrap}.dashboard-grid{grid-template-columns:1fr 1fr}.dash-main{grid-column:span 2;grid-row:auto}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:620px){body{padding-bottom:66px}.container{width:min(100% - 22px,1160px)}.site-header .nav-wrap{height:64px}.brand-text small{display:none}.brand img{width:40px;height:40px}.desktop-nav{top:64px}.hero{padding:46px 0}.hero h1{font-size:40px}.hero-lead{font-size:16px}.hero-panel{padding:18px}.hero-logo img{width:96px;height:96px}.section{padding:52px 0}.section-head{display:block}.section-head p{margin-top:10px}.course-grid,.feature-grid,.feature-grid.three,.note-grid,.subject-grid,.pricing-grid,.mini-comparison{grid-template-columns:1fr}.course-grid.large .course-card{min-height:0}.split-panel{gap:26px}.course-card{padding:16px}.page-hero{padding:42px 0}.page-hero h1{font-size:38px}.dashboard-top{display:block}.dashboard-top .btn{margin-top:12px}.dashboard-grid{grid-template-columns:1fr}.dash-main{grid-column:auto}.footer-grid{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:4px}.mobile-bottom-nav{position:fixed;bottom:0;left:0;right:0;height:66px;background:#fff;border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(5,1fr);z-index:80;padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom-nav a{display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:10px;color:#60708a;gap:1px}.mobile-bottom-nav a span{font-size:18px;line-height:1}.mobile-bottom-nav a.is-active{color:var(--blue-700);font-weight:850}.site-footer{padding-bottom:40px}.trust-row{gap:10px}.hero-actions .btn{width:100%}}

/* Nursing Tablet v0.2 backend/UI additions */
.setup-strip{background:#fff4d7;color:#654600;text-align:center;padding:8px 16px;font-size:13px;border-bottom:1px solid #f0d99a}.setup-strip a{font-weight:850;text-decoration:underline}.flash{margin-top:14px;border-radius:12px;padding:12px 15px;font-size:14px}.flash.success{background:#e9faf4;border:1px solid #a8dfcf;color:#096348}.flash.error{background:#fff0f0;border:1px solid #efbcbc;color:#9a2e2e}.flash ul{margin:5px 0;padding-left:20px}.setup-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:24px;box-shadow:0 10px 30px rgba(8,44,108,.05)}.setup-card h2{margin-top:0}.notice-box{padding:14px 16px;border-radius:13px;background:#eef7ff;border:1px solid #c9e2ff;margin-bottom:20px;color:#35506f}.form-stack{display:grid;gap:14px}.form-stack label{display:grid;gap:6px;font-size:13px;font-weight:750;color:#31425d}.form-stack label small{font-weight:500;color:var(--muted)}.form-stack input,.form-stack select,.form-stack textarea{width:100%;border:1px solid var(--line);background:#fff;border-radius:11px;padding:11px 12px;color:var(--ink);font:inherit;outline:none}.form-stack textarea{min-height:92px;resize:vertical}.form-stack input:focus,.form-stack select:focus,.form-stack textarea:focus{border-color:#8db9f3;box-shadow:0 0 0 3px #eaf4ff}.form-grid{display:grid;gap:12px}.form-grid.two{grid-template-columns:1fr 1fr}.check-row{display:flex!important;grid-template-columns:auto 1fr!important;align-items:center!important}.check-row input{width:auto!important}.auth-card.wide{width:min(540px,100%)}.auth-switch{font-size:14px}.narrow-wide{width:min(900px,100%);margin:auto}.empty-state{padding:30px;border:1px dashed #b9cbe2;border-radius:16px;background:#fbfdff}.empty-state h3{margin-top:0}.learning-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:22px;align-items:start}.learning-main{display:grid;gap:18px}.learning-aside{display:grid;gap:14px;position:sticky;top:94px}.lesson-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:24px}.lesson-head{display:flex;justify-content:space-between;gap:18px;align-items:flex-start;border-bottom:1px solid var(--line);padding-bottom:16px;margin-bottom:18px}.lesson-head h2{margin:7px 0 4px}.lesson-head p{margin:0;color:var(--muted)}.lesson-content{font-size:16px}.lesson-content h2,.lesson-content h3{color:var(--blue-950)}.lesson-content li{margin:6px 0}.locked-box{padding:20px;border-radius:14px;background:#f5f8fd;border:1px solid var(--line)}.mini-link{display:flex;flex-direction:column;padding:11px 0;border-bottom:1px solid var(--line)}.mini-link:last-child{border-bottom:0}.mini-link small{color:var(--muted);margin-top:3px}.mcq-option{display:flex!important;grid-template-columns:auto 1fr!important;align-items:flex-start!important;gap:10px;border:1px solid var(--line);border-radius:12px;padding:13px 15px;background:#fff;cursor:pointer;font-weight:500!important}.mcq-option input{width:auto!important;margin:4px 0 0!important}.mcq-option.correct{background:#eafaf4;border-color:#8ad2bd}.mcq-option.wrong{background:#fff1f1;border-color:#edb1b1}.test-form{display:grid;gap:16px}.test-question{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px}.test-question h2{font-size:21px}.sticky-submit{position:sticky;bottom:80px;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border:1px solid var(--line);border-radius:16px;padding:12px 16px;display:flex;justify-content:space-between;align-items:center;gap:12px;box-shadow:var(--shadow)}.sticky-submit small{color:var(--muted)}.result-grid{display:grid;grid-template-columns:2fr repeat(3,1fr);gap:14px;margin-bottom:20px}.result-primary{background:linear-gradient(145deg,#edf7ff,#e8fcff)}.mega-stat{display:block;font-size:58px;line-height:1;margin-top:10px;color:var(--blue-800)}.review-list{display:grid;gap:12px;margin:20px 0}.review-card{border:1px solid var(--line);border-left:5px solid #9badc4;border-radius:14px;padding:18px;background:#fff}.review-card.is-correct{border-left-color:var(--success)}.review-card.is-wrong{border-left-color:#d56666}.review-card h3{margin:7px 0}.dashboard-two{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:14px}.admin-hero{padding-bottom:24px}.admin-nav{display:flex;gap:7px;flex-wrap:wrap;margin-top:20px}.admin-nav a{background:#fff;border:1px solid var(--line);padding:8px 11px;border-radius:10px;font-size:12px;font-weight:800;color:var(--blue-800)}.admin-metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.admin-form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.admin-section-title{margin:34px 0 14px}.admin-table-wrap{overflow:auto;border:1px solid var(--line);border-radius:14px}.admin-table{width:100%;border-collapse:collapse;min-width:760px;background:#fff}.admin-table th,.admin-table td{text-align:left;padding:11px 13px;border-bottom:1px solid var(--line);vertical-align:top;font-size:13px}.admin-table th{background:#f5f8fd;color:#52637c;font-size:11px;text-transform:uppercase;letter-spacing:.06em}.admin-table tr:last-child td{border-bottom:0}.inline-form{display:inline}.code-area{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13px}.workflow-list li{margin:8px 0}.question-picker{border:1px solid var(--line);border-radius:14px;padding:14px;max-height:360px;overflow:auto}.question-picker legend{font-weight:850;padding:0 6px}.question-picker label{display:grid!important;grid-template-columns:auto 1fr!important;gap:9px!important;padding:9px 0;border-bottom:1px solid #edf1f7;font-weight:500!important}.question-picker label:last-child{border-bottom:0}.question-picker input{width:auto!important;margin-top:4px}.question-picker small{display:block;color:var(--muted)}
@media(max-width:900px){.learning-layout{grid-template-columns:1fr}.learning-aside{position:static}.result-grid{grid-template-columns:1fr 1fr}.admin-metrics{grid-template-columns:1fr 1fr}.admin-form-grid{grid-template-columns:1fr}.dashboard-two{grid-template-columns:1fr}}
@media(max-width:620px){.form-grid.two{grid-template-columns:1fr}.result-grid,.admin-metrics{grid-template-columns:1fr 1fr}.lesson-card,.test-question,.setup-card{padding:17px}.lesson-head{display:block}.sticky-submit{bottom:72px;flex-direction:column;align-items:stretch}.sticky-submit .btn{width:100%}.admin-nav{overflow:auto;flex-wrap:nowrap;padding-bottom:5px}.admin-nav a{white-space:nowrap}.mega-stat{font-size:48px}}

/* =========================================================
   Nursing Tablet v0.3 — Product Foundation Design System
   PWA + adaptive theme + accessibility + premium mobile UX
   ========================================================= */
:root{
  --surface:#ffffff;--surface-2:#f7faff;--surface-3:#eef5ff;--surface-raised:#ffffff;
  --text:#10213e;--text-2:#42516a;--text-3:#6b7890;--border:#dce6f5;
  --brand:#075fd9;--brand-2:#0a78ee;--brand-soft:#eaf4ff;--accent:#23d4e8;
  --good:#0d8f69;--warning:#bd7a0b;--bad:#c94444;
  --header-bg:rgba(255,255,255,.9);--nav-bg:#fff;--footer-bg:#071a3d;
  --shadow-sm:0 8px 24px rgba(8,44,108,.07);--shadow-md:0 18px 50px rgba(8,44,108,.12);--shadow-lg:0 30px 90px rgba(5,28,70,.18);
  --focus:0 0 0 3px rgba(7,95,217,.18);--radius-sm:12px;--radius-md:18px;--radius-lg:26px;
  color-scheme:light;
}
html[data-theme="dark"]{
  --blue-950:#eaf3ff;--blue-900:#cfe4ff;--blue-800:#75b7ff;--blue-700:#58a9ff;--blue-600:#3c96fb;
  --ink:#eef6ff;--muted:#9fb0c9;--line:#203653;--soft:#0a1830;--white:#0d1d34;
  --surface:#0a172b;--surface-2:#0d1d34;--surface-3:#102540;--surface-raised:#10213a;
  --text:#eef6ff;--text-2:#c1cee0;--text-3:#91a3bd;--border:#243c5c;
  --brand:#5aaaff;--brand-2:#2e91f6;--brand-soft:#102d50;--accent:#53e3ed;
  --good:#49d6aa;--warning:#f1bb5c;--bad:#ff8383;
  --header-bg:rgba(7,19,38,.9);--nav-bg:#0d1d34;--footer-bg:#050e1f;
  --shadow-sm:0 8px 24px rgba(0,0,0,.16);--shadow-md:0 18px 50px rgba(0,0,0,.25);--shadow-lg:0 30px 90px rgba(0,0,0,.34);
  --focus:0 0 0 3px rgba(90,170,255,.22);
  color-scheme:dark;
}
html{background:var(--surface);scroll-padding-top:90px}body{background:var(--surface);color:var(--text);transition:background-color .18s ease,color .18s ease}.muted{color:var(--text-3)!important}
*:focus-visible{outline:2px solid var(--brand);outline-offset:3px}.site-header{background:var(--header-bg);border-color:var(--border);box-shadow:0 1px 0 rgba(0,0,0,.02)}
.nav-wrap{gap:18px}.desktop-nav{margin-left:auto}.nav-tools{display:flex;align-items:center;gap:4px}.icon-btn{border:0;background:transparent;color:var(--text-2);display:inline-flex;align-items:center;justify-content:center;gap:5px;min-width:42px;height:42px;border-radius:12px;cursor:pointer;padding:0 9px;font:inherit}.icon-btn:hover{background:var(--surface-3);color:var(--brand)}.icon-btn>span{font-size:20px;line-height:1}.icon-btn small{font-size:11px;font-weight:750}.install-nav{color:var(--brand)}
.offline-strip{display:none;background:#6d3b04;color:#fff;text-align:center;padding:7px 14px;font-size:12px;font-weight:750}.is-offline .offline-strip{display:block}.is-offline .status-dot{background:#f7b955}.footer-status{display:flex;gap:8px;align-items:center;color:#9bb2d4;font-size:12px;margin-top:12px}.status-dot{width:8px;height:8px;border-radius:50%;background:#3cd1a3;box-shadow:0 0 0 4px rgba(60,209,163,.12)}
.site-footer{background:var(--footer-bg)}.footer-link-button{display:block;border:0;background:transparent;padding:0;margin:7px 0;color:inherit;cursor:pointer;font:inherit;text-align:left}.footer-link-button:hover{text-decoration:underline}

/* v0.3 homepage */
.hero-v3{position:relative;overflow:hidden;background:radial-gradient(circle at 72% 28%,rgba(35,212,232,.17),transparent 27%),radial-gradient(circle at 10% 16%,rgba(21,113,246,.26),transparent 32%),linear-gradient(145deg,#04142f 0%,#062f70 54%,#075fd9 100%);color:#fff;padding:78px 0 68px}.hero-v3:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);background-size:44px 44px;mask-image:linear-gradient(to bottom,rgba(0,0,0,.7),transparent 85%)}.hero-v3 .container{position:relative;z-index:1}.hero-v3-grid{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(360px,.92fr);gap:52px;align-items:center}.brand-pill{display:inline-flex;align-items:center;gap:9px;padding:7px 11px;border:1px solid rgba(255,255,255,.15);background:rgba(255,255,255,.07);border-radius:999px;font-size:12px;font-weight:800;color:#cce7ff;backdrop-filter:blur(10px)}.brand-pill:before{content:"";width:8px;height:8px;border-radius:50%;background:#4be7e9;box-shadow:0 0 0 5px rgba(75,231,233,.12)}.hero-v3 h1{font-size:clamp(42px,5.3vw,72px);line-height:.99;letter-spacing:-.055em;margin:19px 0 19px;max-width:800px}.hero-v3 h1 em{font-style:normal;color:#74edf4}.hero-v3 .hero-lead{font-size:18px;line-height:1.7;max-width:720px;color:#ccddf7}.hero-proof{display:flex;gap:10px 18px;flex-wrap:wrap;margin-top:24px;color:#b9d0f0;font-size:13px}.hero-proof span:before{content:"✓";color:#67edf0;font-weight:900;margin-right:6px}.hero-v3 .btn-secondary{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.23);color:#fff}.hero-v3 .btn-secondary:hover{background:rgba(255,255,255,.14)}
.os-panel{border:1px solid rgba(255,255,255,.16);background:linear-gradient(180deg,rgba(255,255,255,.12),rgba(255,255,255,.055));border-radius:30px;padding:18px;box-shadow:0 35px 90px rgba(0,0,0,.24);backdrop-filter:blur(18px)}.os-panel-top{display:flex;align-items:center;justify-content:space-between;padding:5px 6px 15px}.os-panel-brand{display:flex;align-items:center;gap:10px}.os-panel-brand img{width:48px;height:48px;border-radius:50%;box-shadow:0 9px 25px rgba(0,0,0,.24)}.os-panel-brand strong{display:block}.os-panel-brand small{color:#a9c8ef}.os-live{font-size:10px;font-weight:850;letter-spacing:.09em;padding:5px 8px;border-radius:999px;background:rgba(73,214,170,.13);color:#82f0c8;border:1px solid rgba(130,240,200,.2)}.os-question{background:rgba(4,24,59,.48);border:1px solid rgba(255,255,255,.1);border-radius:20px;padding:20px}.os-question small{display:block;color:#79e8ed;font-weight:850;letter-spacing:.08em;margin-bottom:6px}.os-question h2{font-size:25px;line-height:1.15;margin:0 0 8px}.os-question p{color:#bcd1ef;margin:0}.os-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:10px}.os-action{display:flex;gap:12px;align-items:center;padding:14px;border-radius:16px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.09)}.os-action span{width:35px;height:35px;display:grid;place-items:center;border-radius:11px;background:rgba(35,212,232,.13);color:#6feef4}.os-action strong{display:block;font-size:13px}.os-action small{display:block;color:#a8c2e6;font-size:11px;margin-top:2px}.os-progress{margin-top:10px;padding:14px;border-radius:16px;background:rgba(255,255,255,.065);display:flex;align-items:center;gap:12px}.os-progress-ring{width:48px;height:48px;border-radius:50%;display:grid;place-items:center;background:conic-gradient(#50e4eb 72%,rgba(255,255,255,.1) 0);position:relative;font-size:11px;font-weight:850}.os-progress-ring:before{content:"";position:absolute;inset:5px;border-radius:50%;background:#0b3979}.os-progress-ring span{position:relative}.os-progress p{margin:0;color:#a8c2e6;font-size:12px}.os-progress strong{display:block;color:#fff;font-size:13px}

.product-strip{margin-top:-24px;position:relative;z-index:4}.product-strip-inner{background:var(--surface-raised);border:1px solid var(--border);border-radius:20px;padding:16px;box-shadow:var(--shadow-md);display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.product-strip a{display:flex;align-items:center;gap:10px;padding:12px;border-radius:14px}.product-strip a:hover{background:var(--surface-3)}.product-strip .ps-icon{width:38px;height:38px;border-radius:12px;background:var(--brand-soft);display:grid;place-items:center;color:var(--brand);font-weight:900}.product-strip strong{font-size:13px}.product-strip small{display:block;color:var(--text-3);font-size:11px}

.course-card-v3{border:1px solid var(--border);background:var(--surface-raised);border-radius:22px;padding:22px;box-shadow:var(--shadow-sm);position:relative;overflow:hidden;min-height:185px;display:flex;flex-direction:column}.course-card-v3:after{content:"";position:absolute;width:160px;height:160px;border-radius:50%;background:var(--brand-soft);right:-70px;top:-80px;opacity:.75}.course-card-v3>*{position:relative;z-index:1}.course-card-v3 .course-code{width:max-content;padding:6px 9px;border-radius:9px;background:var(--brand-soft);color:var(--brand);font-size:11px;font-weight:900;letter-spacing:.08em}.course-card-v3 h3{font-size:24px;margin:17px 0 6px}.course-card-v3 p{color:var(--text-3);font-size:14px;margin:0}.course-card-v3 .card-footer{display:flex;justify-content:space-between;align-items:center;margin-top:auto;padding-top:16px;color:var(--brand);font-size:13px;font-weight:800}.course-card-v3:hover{transform:translateY(-3px);border-color:color-mix(in srgb,var(--brand) 42%,var(--border));box-shadow:var(--shadow-md)}

.vision-grid{display:grid;grid-template-columns:.86fr 1.14fr;gap:44px;align-items:center}.vision-copy .eyebrow{margin-bottom:10px}.vision-copy h2{font-size:clamp(32px,4vw,50px);line-height:1.05;letter-spacing:-.045em;margin:0 0 16px}.vision-copy p{color:var(--text-3);font-size:16px}.learning-loop{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.loop-node{background:var(--surface-raised);border:1px solid var(--border);border-radius:18px;padding:17px;min-height:132px}.loop-node span{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:var(--brand-soft);color:var(--brand);font-weight:900;font-size:12px}.loop-node strong{display:block;margin-top:14px}.loop-node small{display:block;color:var(--text-3);margin-top:4px}.loop-node.active{background:linear-gradient(145deg,var(--brand-soft),var(--surface-raised));border-color:color-mix(in srgb,var(--brand) 35%,var(--border))}

.pwa-callout{display:grid;grid-template-columns:1fr auto;align-items:center;gap:30px;background:linear-gradient(145deg,#062653,#075fd9);border-radius:28px;color:#fff;padding:30px 34px;overflow:hidden;position:relative}.pwa-callout:after{content:"";position:absolute;width:260px;height:260px;border:1px solid rgba(255,255,255,.13);border-radius:50%;right:-80px;top:-110px}.pwa-callout>*{position:relative;z-index:1}.pwa-callout h2{margin:4px 0 7px;font-size:30px}.pwa-callout p{color:#cae0fb;margin:0}.pwa-features{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}.pwa-features span{font-size:11px;font-weight:750;padding:6px 9px;border-radius:999px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.13)}

/* Search */
.search-hero{padding:58px 0 34px;background:linear-gradient(180deg,var(--surface-2),var(--surface))}.search-hero h1{font-size:clamp(36px,5vw,58px);letter-spacing:-.045em;margin:0 0 10px}.search-hero p{color:var(--text-3);max-width:700px}.global-search{display:grid;grid-template-columns:auto 1fr auto auto;align-items:center;gap:10px;margin-top:25px;padding:8px 8px 8px 15px;background:var(--surface-raised);border:1px solid var(--border);border-radius:17px;box-shadow:var(--shadow-sm)}.global-search>span{font-size:24px;color:var(--text-3)}.global-search input{border:0;outline:0;background:transparent;color:var(--text);font:inherit;font-size:16px;min-width:0}.global-search kbd{font-size:10px;color:var(--text-3);padding:5px 7px;background:var(--surface-3);border:1px solid var(--border);border-radius:7px}.search-results-section{padding-top:32px}.search-starter-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.search-starter-grid a{padding:20px;background:var(--surface-raised);border:1px solid var(--border);border-radius:18px}.search-starter-grid span{font-size:11px;font-weight:900;color:var(--brand)}.search-starter-grid strong{display:block;margin:12px 0 4px}.search-starter-grid small{color:var(--text-3)}.result-toolbar{display:flex;gap:6px;color:var(--text-3);margin-bottom:14px}.result-toolbar strong{color:var(--text)}.search-result-list{display:grid;gap:9px}.search-result{display:flex;justify-content:space-between;gap:16px;padding:19px 20px;border:1px solid var(--border);background:var(--surface-raised);border-radius:17px}.search-result:hover{border-color:color-mix(in srgb,var(--brand) 36%,var(--border));box-shadow:var(--shadow-sm)}.result-type{font-size:10px;letter-spacing:.09em;font-weight:900;color:var(--brand)}.search-result h2{font-size:18px;margin:4px 0}.search-result p{font-size:13px;color:var(--text-3);margin:0;max-width:720px}.search-arrow{align-self:center;color:var(--brand);font-size:22px}

/* Security Center */
.security-score{display:grid;grid-template-columns:1fr auto;align-items:center;gap:24px;padding:26px;border-radius:23px;background:linear-gradient(145deg,var(--surface-2),var(--surface-raised));border:1px solid var(--border);margin-bottom:16px}.security-score h2{margin:5px 0}.security-score p{color:var(--text-3);margin:0}.security-ring{width:92px;height:92px;border-radius:50%;display:grid;place-items:center;border:10px solid var(--brand-soft);box-shadow:inset 0 0 0 2px var(--brand);font-size:20px;font-weight:900;color:var(--brand)}.security-checks{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:18px}.security-check{display:flex;gap:13px;padding:17px;border:1px solid var(--border);border-radius:17px;background:var(--surface-raised)}.security-icon{width:32px;height:32px;border-radius:10px;display:grid;place-items:center;flex:0 0 32px;font-weight:900}.security-check.ok .security-icon{background:color-mix(in srgb,var(--good) 13%,transparent);color:var(--good)}.security-check.warn .security-icon{background:color-mix(in srgb,var(--warning) 15%,transparent);color:var(--warning)}.security-check p{margin:4px 0 0;color:var(--text-3);font-size:12px}

/* Generic v0.3 theming for existing v0.2 UI */
html[data-theme="dark"] .course-card,html[data-theme="dark"] .feature-card,html[data-theme="dark"] .topic-item,html[data-theme="dark"] .dash-card,html[data-theme="dark"] .lesson-card,html[data-theme="dark"] .test-question,html[data-theme="dark"] .setup-card,html[data-theme="dark"] .auth-card,html[data-theme="dark"] .price-card,html[data-theme="dark"] .admin-table,html[data-theme="dark"] .mcq-option,html[data-theme="dark"] .review-card,html[data-theme="dark"] .empty-state{background:var(--surface-raised);border-color:var(--border);color:var(--text)}
html[data-theme="dark"] .section-soft,html[data-theme="dark"] .auth-section{background:var(--surface-2)}
html[data-theme="dark"] .desktop-nav{background:var(--nav-bg);border-color:var(--border)}
html[data-theme="dark"] .desktop-nav a{color:var(--text-2)}html[data-theme="dark"] .desktop-nav a:hover,html[data-theme="dark"] .desktop-nav a.is-active{background:var(--surface-3);color:var(--brand)}
html[data-theme="dark"] .btn-secondary{background:var(--surface-raised);border-color:var(--border);color:var(--brand)}html[data-theme="dark"] .btn-ghost{color:var(--brand)}
html[data-theme="dark"] .form-stack input,html[data-theme="dark"] .form-stack select,html[data-theme="dark"] .form-stack textarea,html[data-theme="dark"] .auth-card input{background:var(--surface);color:var(--text);border-color:var(--border)}
html[data-theme="dark"] .form-stack input:focus,html[data-theme="dark"] .form-stack select:focus,html[data-theme="dark"] .form-stack textarea:focus,html[data-theme="dark"] .auth-card input:focus{box-shadow:var(--focus)}
html[data-theme="dark"] .admin-table th{background:var(--surface-3);color:var(--text-3)}html[data-theme="dark"] .admin-table th,html[data-theme="dark"] .admin-table td{border-color:var(--border)}
html[data-theme="dark"] .price-card.featured{background:linear-gradient(180deg,#102540,#0d1d34)}html[data-theme="dark"] .locked-box,html[data-theme="dark"] .notice-box{background:var(--surface-3);border-color:var(--border);color:var(--text-2)}
html[data-theme="dark"] .sticky-submit{background:rgba(13,29,52,.95);border-color:var(--border)}html[data-theme="dark"] .mobile-bottom-nav{background:#09182d;border-color:var(--border)}
html[data-theme="dark"] .flash.success{background:#0c3028;border-color:#205e4b;color:#8ce4c7}html[data-theme="dark"] .flash.error{background:#351a21;border-color:#693141;color:#ffb2bd}
html[data-theme="dark"] .page-hero{background:linear-gradient(145deg,#071a3d,#0b2f62);color:#fff}html[data-theme="dark"] .page-hero p{color:#b4c7e1}

.compact-hero{padding-top:45px;padding-bottom:42px}.compact-hero h1{font-size:clamp(34px,4vw,50px)}

@media(max-width:1050px){.hero-v3-grid{grid-template-columns:1fr 420px;gap:30px}.nav-tools small{display:none}.icon-btn{padding:0;min-width:38px}.product-strip-inner{grid-template-columns:1fr 1fr}.learning-loop{grid-template-columns:1fr 1fr}}
@media(max-width:900px){.nav-tools{margin-left:auto}.nav-toggle{margin-left:0}.hero-v3{padding-top:58px}.hero-v3-grid{grid-template-columns:1fr}.os-panel{max-width:620px;margin:0}.vision-grid{grid-template-columns:1fr}.pwa-callout{grid-template-columns:1fr}.security-checks{grid-template-columns:1fr}.desktop-nav{background:var(--nav-bg)}}
@media(max-width:620px){.nav-wrap{gap:8px}.nav-tools{gap:0}.search-trigger{display:none}.icon-btn{width:38px}.install-nav{display:none}.hero-v3{padding:48px 0 58px}.hero-v3 h1{font-size:43px}.hero-v3 .hero-lead{font-size:16px}.os-panel{border-radius:22px;padding:12px}.os-question{padding:16px}.os-question h2{font-size:21px}.os-actions{grid-template-columns:1fr 1fr}.os-action{padding:11px;gap:8px}.os-action span{width:30px;height:30px}.product-strip{margin-top:-18px}.product-strip-inner{grid-template-columns:1fr 1fr;padding:8px}.product-strip a{padding:10px}.product-strip small{display:none}.course-card-v3{min-height:155px}.learning-loop{grid-template-columns:1fr 1fr}.pwa-callout{padding:24px;border-radius:22px}.global-search{grid-template-columns:auto 1fr auto}.global-search kbd{display:none}.global-search .btn{padding:10px 12px}.search-starter-grid{grid-template-columns:1fr}.security-score{grid-template-columns:1fr}.security-ring{width:72px;height:72px}.mobile-bottom-nav{background:var(--nav-bg);border-color:var(--border)}.mobile-bottom-nav a{color:var(--text-3)}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}
.settings-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.settings-card{display:grid;grid-template-columns:auto 1fr;gap:16px;background:var(--surface-raised);border:1px solid var(--border);border-radius:21px;padding:22px}.settings-card h2{margin:4px 0 7px;font-size:21px}.settings-card p{margin:0 0 16px;color:var(--text-3);font-size:13px}.settings-icon{width:48px;height:48px;border-radius:15px;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;font-weight:900}.settings-card select{width:100%;padding:11px 12px;border:1px solid var(--border);border-radius:11px;background:var(--surface);color:var(--text)}.segmented{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;padding:5px;background:var(--surface-3);border-radius:13px}.segmented input{position:absolute;opacity:0;pointer-events:none}.segmented span{display:block;text-align:center;padding:8px;border-radius:9px;font-size:12px;font-weight:800;cursor:pointer}.segmented input:checked+span{background:var(--surface-raised);color:var(--brand);box-shadow:var(--shadow-sm)}.switch-row{display:flex;align-items:center;gap:10px;cursor:pointer}.switch-row input{position:absolute;opacity:0}.switch-ui{width:44px;height:25px;border-radius:999px;background:var(--border);position:relative;transition:.2s}.switch-ui:after{content:"";position:absolute;width:19px;height:19px;border-radius:50%;background:#fff;top:3px;left:3px;box-shadow:0 2px 7px rgba(0,0,0,.18);transition:.2s}.switch-row input:checked+.switch-ui{background:var(--brand)}.switch-row input:checked+.switch-ui:after{transform:translateX(19px)}.settings-actions{grid-column:1/-1;display:flex;gap:10px;margin-top:6px}
html[data-data-saver="1"] .hero-v3:before,html[data-data-saver="1"] .hero-v3:after{display:none}html[data-data-saver="1"] .site-header{backdrop-filter:none}html[data-data-saver="1"] .os-panel{backdrop-filter:none}
html[data-reduced-motion="1"] *,html[data-reduced-motion="1"] *:before,html[data-reduced-motion="1"] *:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}
html[data-text-scale="large"]{font-size:17px}html[data-text-scale="xlarge"]{font-size:18px}
@media(max-width:700px){.settings-grid{grid-template-columns:1fr}.settings-card{grid-template-columns:1fr}.settings-actions{flex-direction:column}.settings-actions .btn{width:100%}}

/* ========================================================================
   Nursing Tablet v0.4 — Academic CMS Pro
   ======================================================================== */
.admin-nav{display:flex;gap:7px;overflow-x:auto;padding:8px 0 2px;scrollbar-width:thin}.admin-nav a{white-space:nowrap;padding:8px 11px;border-radius:10px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.14);font-size:12px;font-weight:750}.admin-nav a:hover{background:rgba(255,255,255,.18)}
.admin-command-bar{display:flex;justify-content:space-between;gap:18px;align-items:center;padding:20px 22px;margin-bottom:18px;background:linear-gradient(135deg,var(--surface-raised),var(--surface-2));border:1px solid var(--border);border-radius:20px}.admin-command-bar>div:first-child{display:grid;gap:3px}.admin-command-bar strong{font-size:20px}.admin-command-bar small{color:var(--text-3)}
.quick-create-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:9px}.quick-create-grid a{display:grid;padding:13px 14px;border:1px solid var(--border);border-radius:14px;background:var(--surface);transition:.2s}.quick-create-grid a:hover{border-color:color-mix(in srgb,var(--brand) 45%,var(--border));transform:translateY(-1px)}.quick-create-grid small{color:var(--text-3);margin-top:2px}
.academic-builder-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.setup-card summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:14px;align-items:center}.setup-card summary::-webkit-details-marker{display:none}.setup-card summary span{font-size:12px;color:var(--text-3)}.top-gap{margin-top:16px}.sort-controls{display:inline-flex;gap:3px;margin-right:6px}.sort-controls button{width:28px;height:28px;border:1px solid var(--border);background:var(--surface);border-radius:8px;color:var(--text-2);cursor:pointer}.sort-controls button:hover{color:var(--brand);border-color:var(--brand)}
.editor-layout{display:grid;grid-template-columns:1fr 1fr;gap:14px;align-items:start}.editor-card{min-width:0}.editor-card-head{display:flex;justify-content:space-between;gap:12px;align-items:flex-start;margin-bottom:10px}.editor-card-head h2{margin:4px 0}.rich-toolbar{display:flex;gap:5px;flex-wrap:wrap;padding:7px;border:1px solid var(--border);border-bottom:0;background:var(--surface-2);border-radius:12px 12px 0 0}.rich-toolbar button{border:1px solid var(--border);background:var(--surface-raised);color:var(--text);border-radius:8px;min-width:34px;padding:6px 9px;font-size:12px;cursor:pointer}.rich-toolbar button:hover{border-color:var(--brand);color:var(--brand)}.rich-editor{min-height:310px;max-height:600px;overflow:auto;border:1px solid var(--border);border-radius:0 0 12px 12px;background:var(--surface);padding:18px;outline:0;line-height:1.65}.rich-editor:focus{border-color:var(--brand);box-shadow:var(--focus)}.rich-editor h2,.rich-preview h2{font-size:24px}.rich-editor h3,.rich-preview h3{font-size:19px}.rich-editor table,.rich-preview table{border-collapse:collapse;width:100%;margin:14px 0}.rich-editor td,.rich-editor th,.rich-preview td,.rich-preview th{border:1px solid var(--border);padding:8px}.rich-editor blockquote,.rich-preview blockquote{margin:14px 0;padding:12px 14px;border-left:4px solid var(--brand);background:var(--brand-soft);border-radius:9px}.rich-preview{margin-top:10px;padding:18px;background:var(--surface-raised);border:1px dashed var(--brand);border-radius:13px}.form-grid.three{grid-template-columns:repeat(3,1fr)}.table-actions{display:flex;gap:6px;align-items:center;flex-wrap:wrap}.mini-select{border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:9px;padding:6px 7px;font-size:12px}
.status-pill.success{background:color-mix(in srgb,var(--good) 13%,transparent);color:var(--good)}.status-pill.warning{background:color-mix(in srgb,var(--warning) 15%,transparent);color:var(--warning);max-width:330px;white-space:normal}.status-pill.neutral{background:var(--surface-3);color:var(--text-3)}.status-pill.muted{background:var(--surface-2);color:var(--text-3)}
.workflow-summary{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:18px}.review-queue{display:grid;gap:10px}.review-queue-card{display:grid;grid-template-columns:minmax(0,1fr) minmax(360px,.8fr);gap:18px;padding:18px;border:1px solid var(--border);background:var(--surface-raised);border-radius:18px}.review-queue-card h3{margin:8px 0 4px;font-size:18px}.review-queue-card small{color:var(--text-3)}.review-decision-form{display:grid;gap:8px}.review-decision-form textarea{width:100%;border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:10px;padding:10px}
.media-admin-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.media-admin-card{overflow:hidden;border:1px solid var(--border);border-radius:18px;background:var(--surface-raised)}.media-admin-card>img{width:100%;height:180px;object-fit:cover;background:var(--surface-2)}.pdf-tile{height:180px;display:grid;place-items:center;background:linear-gradient(145deg,var(--brand-soft),var(--surface-2));color:var(--brand);font-size:34px;font-weight:900}.media-admin-body{padding:15px;display:grid;gap:9px}.media-admin-body>small{color:var(--text-3)}.media-actions{display:flex;gap:6px;flex-wrap:wrap}.form-stack.compact{gap:8px}.form-stack.compact label{font-size:12px}.text-danger{border:0;background:transparent;color:var(--danger);cursor:pointer;padding:5px 0;text-align:left}
.admin-tools-row{display:flex;align-items:center;gap:9px;flex-wrap:wrap;margin-bottom:14px}.question-editor{margin-bottom:14px}.filter-panel{border:1px solid var(--border);background:var(--surface-raised);padding:14px;border-radius:17px;margin-bottom:12px}.filter-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}.filter-grid label{font-size:11px;font-weight:750;color:var(--text-3)}.filter-grid input,.filter-grid select{display:block;width:100%;margin-top:5px;padding:9px 10px;border:1px solid var(--border);border-radius:10px;background:var(--surface);color:var(--text)}.bulk-bar{position:sticky;top:83px;z-index:8;display:flex;align-items:center;gap:10px;padding:9px 11px;margin-bottom:7px;border:1px solid var(--border);background:color-mix(in srgb,var(--surface-raised) 94%,transparent);backdrop-filter:blur(10px);border-radius:13px}.bulk-bar select{padding:7px 9px;border:1px solid var(--border);border-radius:9px;background:var(--surface);color:var(--text)}
.import-summary{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:18px 0}.import-summary>div{padding:16px;border:1px solid var(--border);background:var(--surface-raised);border-radius:16px;display:grid}.import-summary strong{font-size:30px;color:var(--brand)}.import-summary span{font-size:12px;color:var(--text-3)}.code-block{display:block;padding:14px;background:var(--surface-3);border:1px solid var(--border);border-radius:12px;line-height:1.8;color:var(--text-2)}.sticky-action-bar{position:sticky;bottom:82px;z-index:9;margin-top:12px;padding:12px 14px;display:flex;align-items:center;justify-content:space-between;gap:12px;border:1px solid var(--border);border-radius:16px;background:color-mix(in srgb,var(--surface-raised) 94%,transparent);backdrop-filter:blur(12px);box-shadow:var(--shadow-sm)}.sticky-action-bar>div{display:grid}.sticky-action-bar small{color:var(--text-3)}
.pwa-update-toast{position:fixed;right:18px;bottom:18px;z-index:500;display:flex;align-items:center;gap:14px;max-width:390px;padding:13px 14px;border:1px solid color-mix(in srgb,var(--brand) 30%,var(--border));border-radius:15px;background:var(--surface-raised);color:var(--text);box-shadow:0 18px 60px rgba(0,0,0,.2)}.pwa-update-toast>div{display:grid}.pwa-update-toast small{color:var(--text-3)}.pwa-update-toast button{border:0;border-radius:9px;background:var(--brand);color:#fff;padding:8px 10px;font-weight:800;cursor:pointer;white-space:nowrap}
.lesson-feature-media{width:100%;max-height:420px;object-fit:cover;border-radius:16px;margin:0 0 18px;background:var(--surface-2)}.content-trust-meta{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0}.content-trust-meta span{font-size:11px;padding:5px 8px;border-radius:999px;background:var(--surface-3);color:var(--text-3)}
@media(max-width:1100px){.academic-builder-grid{grid-template-columns:repeat(2,1fr)}.editor-layout{grid-template-columns:1fr}.media-admin-grid{grid-template-columns:repeat(2,1fr)}.filter-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:760px){.admin-command-bar{align-items:flex-start;flex-direction:column}.admin-command-bar .button-row{width:100%}.admin-command-bar .btn{flex:1}.academic-builder-grid{grid-template-columns:1fr}.form-grid.three{grid-template-columns:1fr}.workflow-summary{grid-template-columns:1fr}.review-queue-card{grid-template-columns:1fr}.media-admin-grid{grid-template-columns:1fr}.filter-grid{grid-template-columns:1fr}.bulk-bar{top:70px;overflow:auto}.sticky-action-bar{bottom:76px;align-items:flex-start;flex-direction:column}.sticky-action-bar .btn{width:100%}.quick-create-grid{grid-template-columns:1fr}.pwa-update-toast{left:12px;right:12px;bottom:84px;max-width:none}.admin-table{min-width:900px}}

/* v0.4 student command dashboard */
.student-dashboard{padding:44px 0 84px;background:linear-gradient(180deg,var(--surface-2),var(--surface) 340px)}.dashboard-v4-top{align-items:center}.study-command-grid{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(300px,.65fr);gap:14px;margin-bottom:14px}.study-command-main,.today-mission{border:1px solid var(--border);background:var(--surface-raised);border-radius:24px;padding:25px;box-shadow:var(--shadow-sm)}.study-command-main{background:radial-gradient(circle at 96% 0,color-mix(in srgb,var(--cyan) 11%,transparent),transparent 35%),var(--surface-raised)}.study-command-title{display:flex;justify-content:space-between;gap:20px;align-items:flex-start}.study-command-title h2,.today-mission h2{font-size:clamp(25px,3vw,34px);letter-spacing:-.035em;margin:7px 0 2px}.study-command-title p,.study-summary{color:var(--text-3)}.study-summary{max-width:760px}.time-badge{padding:7px 10px;border-radius:999px;background:var(--brand-soft);color:var(--brand);font-size:12px;font-weight:850;white-space:nowrap}.progress-lg{height:9px;margin-top:18px}.study-command-footer{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:13px}.study-command-footer small{color:var(--text-3)}.mission-list{display:grid;gap:8px;margin-top:13px}.mission-item{display:grid;grid-template-columns:34px 1fr auto;gap:10px;align-items:center;padding:11px;border:1px solid var(--border);border-radius:14px;background:var(--surface)}.mission-item>span{width:32px;height:32px;border-radius:10px;background:var(--brand-soft);display:grid;place-items:center;color:var(--brand);font-weight:900}.mission-item div{display:grid}.mission-item small{color:var(--text-3);font-size:11px}.mission-item>b{color:var(--brand)}.study-stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:14px}.study-stats-grid article{display:grid;grid-template-columns:auto 1fr;gap:12px;padding:18px;border:1px solid var(--border);background:var(--surface-raised);border-radius:18px}.stat-icon{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:var(--brand-soft);color:var(--brand);font-weight:900}.study-stats-grid article>div{display:grid}.study-stats-grid small{font-size:11px;color:var(--text-3);font-weight:750}.study-stats-grid strong{font-size:25px;line-height:1.1;margin:3px 0}.study-stats-grid em{font-size:10px;color:var(--text-3);font-style:normal}.mini-progress{height:4px;background:var(--surface-3);border-radius:999px;overflow:hidden;margin:2px 0 5px}.mini-progress i{display:block;height:100%;background:linear-gradient(90deg,var(--brand),var(--cyan));border-radius:inherit}.card-heading{display:flex;justify-content:space-between;gap:12px;align-items:flex-start;margin-bottom:12px}.card-heading h2{margin:4px 0;font-size:21px}.card-heading>a{font-size:12px;font-weight:800;color:var(--brand)}.weak-topic-row{display:grid;grid-template-columns:1fr minmax(110px,160px);gap:12px;align-items:center;padding:12px 0;border-bottom:1px solid var(--border)}.weak-topic-row:last-child{border-bottom:0}.weak-topic-row>div:first-child{display:grid}.weak-topic-row small{color:var(--text-3)}.weak-score{display:grid;grid-template-columns:36px 1fr;gap:7px;align-items:center}.weak-score span{font-size:12px;font-weight:900}.weak-score i{height:6px;background:var(--surface-3);border-radius:99px;overflow:hidden}.weak-score b{display:block;height:100%;background:var(--warning);border-radius:inherit}.empty-state.compact{padding:16px}.quick-create-grid.student a{background:var(--surface-raised)}
@media(max-width:950px){.study-command-grid{grid-template-columns:1fr}.study-stats-grid{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.student-dashboard{padding-top:28px}.dashboard-v4-top{align-items:flex-start}.dashboard-v4-top .button-row{display:none}.study-command-main,.today-mission{padding:18px;border-radius:20px}.study-command-title{gap:8px}.study-command-title h2{font-size:27px}.study-command-footer{align-items:flex-start;flex-direction:column}.study-command-footer .btn{width:100%}.study-stats-grid{grid-template-columns:1fr 1fr}.study-stats-grid article{grid-template-columns:1fr;padding:14px}.stat-icon{width:32px;height:32px}.weak-topic-row{grid-template-columns:1fr}.weak-score{grid-template-columns:36px 1fr}}
.video-consent{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 15px;margin:0 0 18px;border:1px solid var(--border);border-radius:14px;background:var(--surface-2)}.video-consent>div{display:grid}.video-consent small{color:var(--text-3)}.video-consent iframe{width:100%;aspect-ratio:16/9;border:0;border-radius:12px}.video-consent:has(iframe){padding:0;background:#000;border:0;overflow:hidden}
@media(max-width:620px){.video-consent{align-items:flex-start;flex-direction:column}.video-consent .btn{width:100%}}
.revision-viewer{display:grid;grid-template-columns:minmax(260px,.5fr) 1fr;gap:16px;margin:16px 0;padding:18px;border:1px solid var(--border);background:var(--surface-raised);border-radius:18px}.revision-viewer h2{margin:5px 0}.revision-viewer p{color:var(--text-3)}.revision-viewer pre{max-height:480px;overflow:auto;margin:0;padding:15px;border-radius:12px;background:var(--surface-3);color:var(--text-2);white-space:pre-wrap;word-break:break-word;font-size:12px}@media(max-width:760px){.revision-viewer{grid-template-columns:1fr}}

/* v0.5 Bilingual Learning Core */
.translation-hi{font-weight:500;color:var(--text-muted,#52657f);font-family:system-ui,"Noto Sans Devanagari","Mangal",sans-serif}
.bilingual-inline + .translation-hi{margin-left:.18em}
.bilingual-pair{display:grid;gap:12px}
.bilingual-hi-block{position:relative;padding:14px 16px;border-left:3px solid var(--primary,#1667d9);background:color-mix(in srgb,var(--primary,#1667d9) 6%,transparent);border-radius:10px;color:var(--text,#10233f);font-family:system-ui,"Noto Sans Devanagari","Mangal",sans-serif}
.bilingual-hi-block::before{content:"(";position:absolute;left:6px;top:8px;color:var(--text-muted,#52657f);font-weight:700}
.bilingual-hi-block::after{content:")";position:absolute;right:7px;bottom:7px;color:var(--text-muted,#52657f);font-weight:700}
.bilingual-hi-block p:first-child{margin-top:0}.bilingual-hi-block p:last-child{margin-bottom:0}
.bilingual-badge{display:inline-flex;align-items:center;gap:6px;padding:5px 9px;border-radius:999px;font-size:.76rem;font-weight:800;background:color-mix(in srgb,var(--primary,#1667d9) 10%,transparent);color:var(--primary,#1667d9)}
.translation-status{font-size:.78rem}.translation-status.ready{color:#0b7a42}.translation-status.missing{color:#b65b00}
.bilingual-fields{border:1px solid var(--border,#dbe5f0);border-radius:14px;padding:14px;display:grid;gap:12px}.bilingual-fields>legend{padding:0 8px;font-weight:800}.bilingual-fields .language-label{font-size:.76rem;letter-spacing:.06em;text-transform:uppercase;font-weight:800;color:var(--text-muted,#52657f)}
[data-theme="dark"] .bilingual-hi-block{color:var(--text,#eef5ff)}
@media(max-width:700px){.bilingual-hi-block{padding:12px 14px}.translation-hi{display:inline}}