:root{--navy-950:#061426;--navy-900:#091b31;--navy-800:#10263f;--blue:#1769ff;--blue-soft:#eaf1ff;--paper:#fff;--ink:#142033;--muted:#657287;--line:#dce2ea;--amber:#ee9f19;--amber-soft:#fff3dc;--green:#29a95d;--green-soft:#e9f8ef;--red:#e14c39;--red-soft:#fff0ed;--mono:"IBM Plex Mono",Consolas,monospace;--sans:Manrope,system-ui,sans-serif}
*{box-sizing:border-box}html,body,#app{width:100%;min-height:100%;margin:0}body{background:var(--navy-950);color:var(--ink);font-family:var(--sans);overflow:hidden}button,input{font:inherit}button{cursor:pointer}button:focus-visible,input:focus-visible{outline:3px solid rgba(23,105,255,.35);outline-offset:2px}button:disabled{cursor:not-allowed}.icon{width:18px;height:18px;flex:0 0 auto;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.brand-mark{color:var(--amber);font:600 29px/1 var(--mono);letter-spacing:-8px;transform:translateX(-3px)}
.btn{min-height:38px;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:0 14px;border:1px solid transparent;border-radius:6px;background:transparent;color:inherit;font-size:12px;font-weight:700}.btn:hover{background:rgba(255,255,255,.08)}.btn-primary{color:#fff;background:var(--blue)}.btn-primary:hover{background:#0e5ce6}.btn-secondary{color:var(--blue);background:#fff;border-color:#a9c5ff}.btn-secondary:hover{background:#f3f7ff}.btn.wide{width:100%;margin-top:10px}.text-button{padding:0;border:0;background:transparent;color:var(--blue);font-size:11px;font-weight:700}.avatar{width:34px;height:34px;display:grid;place-items:center;flex:0 0 auto;border-radius:50%;color:#fff;background:var(--blue);font-size:11px;font-weight:800}.avatar.large{width:48px;height:48px;font-size:14px}
/* Shared portal chrome */
.portal-shell{min-height:100vh;display:grid;grid-template-rows:60px minmax(0,1fr);background:#fff}.portal-header{display:flex;align-items:center;justify-content:space-between;padding:0 28px;color:#fff;background:var(--navy-950);border-bottom:1px solid #34465c}.portal-brand{display:flex;align-items:center;gap:14px;padding:0;border:0;color:#fff;background:transparent;font-size:18px;font-weight:800;letter-spacing:-.03em}.portal-brand em{color:#4382ff;font-style:normal}.portal-actions,.profile-button,.header-link{display:flex;align-items:center}.portal-actions{gap:14px}.profile-button,.header-link{gap:9px;border:0;color:#dbe7f4;background:transparent;font-size:12px;font-weight:700}.profile-button .icon{width:13px}.header-link{padding:10px 14px;border-right:1px solid #33445a}.course-home{display:grid;grid-template-columns:minmax(340px,34%) minmax(0,1fr);min-height:0}.course-hero{display:flex;flex-direction:column;justify-content:center;padding:clamp(48px,7vw,96px);color:#fff;background:var(--navy-950);border-right:1px solid #34465c}.course-hero h1{max-width:500px;margin:0;font-size:clamp(42px,5vw,68px);line-height:1.04;letter-spacing:-.055em}.course-hero>p{max-width:430px;margin:24px 0 36px;color:#aebdce;font-size:15px;line-height:1.7}.hero-profile{display:flex;align-items:center;gap:14px;padding-top:24px;border-top:1px solid #33445a}.hero-profile>span:nth-child(2){display:flex;flex-direction:column}.hero-profile small{color:#8fa1b7;font-size:10px}.hero-profile strong{font-size:14px}.hero-profile .text-button{margin-left:auto;color:#7da9ff}.course-list{padding:clamp(52px,8vw,112px)}.portal-heading{margin-bottom:36px}.portal-heading h2{margin:0;font-size:28px;letter-spacing:-.035em}.portal-heading p{margin:8px 0 0;color:var(--muted);font-size:13px}.course-row{width:min(860px,100%);display:grid;grid-template-columns:54px minmax(0,1fr) auto;gap:20px;align-items:center;padding:28px 4px;border:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);color:var(--ink);background:#fff;text-align:left;transition:.18s}.course-row:hover{padding-left:12px;padding-right:12px;background:#f7f9fc}.course-icon{width:46px;height:46px;display:grid;place-items:center;color:var(--blue);background:var(--blue-soft);border:1px solid #cbdcff;border-radius:8px}.course-icon .icon{width:24px;height:24px}.course-copy{display:flex;flex-direction:column;gap:5px}.course-copy strong{font-size:17px}.course-copy>span{color:var(--muted);font-size:12px}.course-copy small{color:#8290a3;font-size:10px}.selector-progress,.stage-progress,.dark-progress{height:5px;overflow:hidden;border-radius:4px;background:#e1e7ef}.selector-progress{width:min(280px,100%);margin-top:7px}.selector-progress i,.stage-progress i,.dark-progress i{display:block;height:100%;background:var(--blue)}.selector-action{display:flex;align-items:center;gap:8px;color:var(--blue);font-size:12px;font-weight:800}.selector-action .icon{width:14px}
/* Course mission map */
.course-map-shell{height:100vh;overflow:hidden}.mission-layout{min-height:0;display:grid;grid-template-columns:244px minmax(600px,1fr) 324px}.profile-rail{min-height:0;padding:32px 22px;color:#fff;background:var(--navy-950);overflow:auto}.rail-avatar{width:54px;height:54px;font-size:16px}.profile-rail h2{margin:13px 0 2px;font-size:17px}.profile-rail>.text-button{color:#6f9eff}.rail-section{margin-top:32px;padding-top:24px;border-top:1px solid #31445a}.rail-section>small{display:block;margin-bottom:13px;color:#9cacc0;font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.06em}.rail-section>strong{display:block;font-size:24px}.rail-section>strong span{color:#c2cfde;font-size:12px;font-weight:600}.rail-section>em{display:block;margin-top:8px;color:#5591ff;font-size:12px;font-style:normal}.dark-progress{margin-top:12px;background:#23364d}.mastery ul{list-style:none;margin:0;padding:0}.mastery li{display:grid;grid-template-columns:16px 1fr auto;gap:9px;align-items:center;padding:8px 0;color:#dce6f2;font-size:11px}.mastery li strong{color:#8295aa;font-size:10px}.mastery-dot{width:13px;height:13px;border:2px solid #657a92;border-radius:50%}.mastery-dot.started{border-color:var(--amber)}.mastery-dot.strong{border-color:var(--green);background:var(--green);box-shadow:inset 0 0 0 3px var(--navy-950)}.rail-nav{display:grid;gap:5px;margin:28px -10px 0}.rail-nav button{display:flex;align-items:center;gap:10px;padding:11px 12px;border:0;border-radius:5px;color:#bac8d8;background:transparent;text-align:left;font-size:11px;font-weight:700}.rail-nav button.active,.rail-nav button:hover{color:#fff;background:#102d4d}.mission-main{min-width:0;overflow:auto;padding:34px 38px 54px;background:#fff}.mission-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:20px}.mission-heading h1{margin:0;font-size:31px;letter-spacing:-.04em}.mission-heading p{margin:5px 0 0;color:var(--blue);font-size:16px;font-weight:600}.mission-heading>span{padding-top:8px;color:var(--muted);font-size:10px}.route-label{display:flex;justify-content:space-between;margin:32px 0 17px;padding-left:11px;border-left:3px solid var(--blue);font-size:10px;text-transform:uppercase;letter-spacing:.05em}.route-label span{color:var(--muted);text-transform:none;letter-spacing:0}.mission-route{position:relative;display:grid;grid-template-columns:repeat(2,minmax(230px,1fr));gap:17px 24px}.mission-route:before{content:"";position:absolute;z-index:0;left:26px;top:43px;bottom:82px;border-left:2px solid #b9c8dd}.stage-card,.boss-card{position:relative;z-index:1;min-height:112px;display:grid;grid-template-columns:44px minmax(0,1fr) 18px;gap:12px;align-items:center;padding:17px;border:1px solid #aeb8c6;border-radius:9px;color:var(--ink);background:#fff;text-align:left}.stage-card:hover{border-color:var(--blue);box-shadow:0 7px 20px rgba(20,55,100,.09)}.stage-card.complete{border-color:#65bd7d}.stage-card.current{border:2px solid var(--blue)}.stage-number{width:38px;height:38px;display:grid;place-items:center;border:2px solid #9ba9ba;border-radius:50%;background:#fff;color:#68778a;font:700 13px var(--mono)}.stage-card.complete .stage-number{border-color:var(--green);color:var(--green)}.stage-card.current .stage-number{border-color:var(--blue);color:var(--blue)}.stage-copy{min-width:0;display:flex;flex-direction:column;gap:5px}.stage-copy>small{color:var(--muted);font-size:9px;text-transform:uppercase}.stage-copy>strong{font-size:14px}.stage-card>.icon{width:14px;color:#8492a4}.stage-progress{margin-top:5px}.stage-modes{display:flex;flex-wrap:wrap;gap:8px;margin:3px 0}.stage-modes span{display:flex;align-items:center;gap:3px;color:#68778a;font-size:8px}.stage-modes .icon{width:12px;height:12px}.boss-card{grid-column:1/-1;min-height:86px;border-style:dashed}.boss-card.locked{color:#8793a2;background:#fafbfc}.boss-card.unlocked{border:2px solid var(--amber);background:#fffaf0}.boss-card>span{display:flex;flex-direction:column;gap:4px}.boss-card small{color:var(--muted);font-size:10px}.continue-rail{min-height:0;padding:28px 20px;background:#fbfcfe;border-left:1px solid var(--line);overflow:auto}.continue-rail>section{padding:18px;border:1px solid var(--line);border-radius:8px;background:#fff}.continue-rail>section+section{margin-top:14px}.continue-rail h2{margin:0;font-size:12px;text-transform:uppercase;letter-spacing:.04em}.continue-rail p{color:var(--muted);font-size:10px}.continue-card{width:100%;display:grid;grid-template-columns:36px minmax(0,1fr);gap:10px;align-items:center;margin:15px 0 8px;padding:13px;border:1px solid var(--line);border-radius:6px;background:#fff;text-align:left}.continue-card>span:first-child,.recent-icon{width:34px;height:34px;display:grid;place-items:center;color:var(--blue);border:1px solid #ccdaef;border-radius:5px}.continue-card small,.continue-card strong{display:block}.continue-card small{color:var(--muted);font-size:9px}.continue-card strong{margin-top:3px;font-size:11px}.recent-row{width:100%;display:grid;grid-template-columns:34px minmax(0,1fr) 13px;gap:9px;align-items:center;padding:11px 0;border:0;border-bottom:1px solid var(--line);background:#fff;text-align:left}.recent-row strong,.recent-row small{display:block}.recent-row strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:10px}.recent-row small{margin-top:3px;color:var(--muted);font-size:8px}.recent-row>.icon{width:12px;color:#8897a9}.empty-copy{line-height:1.5}
/* Studio */
.app-shell{height:100vh;display:grid;grid-template-rows:60px minmax(0,1fr) 40px}.topbar{display:grid;grid-template-columns:304px 420px 1fr;align-items:center;color:#fff;background:var(--navy-950);border-bottom:1px solid #34465c}.brand{height:100%;display:flex;align-items:center;padding:0 20px;border-right:1px solid #34465c}.studio-home{display:flex;align-items:center;gap:14px;padding:0;border:0;color:#fff;background:transparent;font-size:17px;font-weight:800}.course-progress{padding:0 24px}.progress-copy{display:flex;justify-content:space-between;color:#fff;font-size:11px}.progress-copy span{color:#97a7bb}.progress-track{height:4px;margin-top:8px;border-radius:3px;background:#263a52}.progress-fill{height:100%;border-radius:3px;background:var(--blue);transition:width .3s}.top-actions{display:flex;justify-content:flex-end;align-items:center;gap:8px;padding:0 14px}.profile-button.compact{padding-right:12px;border-right:1px solid #34465c}.btn-print{min-height:38px;color:#fff;background:var(--blue)}.btn-print:disabled{opacity:.38}.workspace{min-height:0;display:grid;grid-template-columns:304px 420px minmax(500px,1fr)}.sidebar{min-height:0;display:flex;flex-direction:column;color:#dbe7f4;background:var(--navy-950);border-right:1px solid #34465c}.sidebar-heading{padding:20px;border-bottom:1px solid #34465c}.sidebar-heading strong{display:block;color:#fff;font-size:14px}.sidebar-heading span{display:block;margin-top:4px;color:#93a4b8;font-size:10px}.task-nav{flex:1;min-height:0;overflow-y:auto;padding:15px 10px 24px}.unit{margin-bottom:19px}.unit-title{margin:0 10px 8px;color:#5591ff;font-size:10px;text-transform:uppercase;letter-spacing:.04em}.featured-unit{padding:9px 0;border:1px solid #274360;border-radius:7px}.task-row{width:100%;min-height:39px;display:grid;grid-template-columns:22px 32px minmax(0,1fr) auto;gap:6px;align-items:center;padding:5px 9px;border:0;border-radius:5px;color:#c5d0df;background:transparent;text-align:left;font-size:10px}.task-row:hover,.task-row.active{color:#fff;background:#102d4d}.task-row.active{box-shadow:inset 3px 0 var(--amber)}.task-row.locked{opacity:.55}.progress-node{width:17px;height:17px;display:grid;place-items:center;border:1.5px solid #bcc9d8;border-radius:50%;font-size:9px}.progress-node .icon{width:9px}.task-row.complete .progress-node{border-color:var(--green);background:var(--green);color:#fff}.task-code{color:#8596aa;font:600 9px var(--mono)}.task-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.task-mode{color:#798ba0;font-size:7px}.sidebar-toggle{height:42px;display:flex;align-items:center;gap:8px;padding:0 18px;border:0;border-top:1px solid #34465c;color:#cbd7e5;background:transparent;font-size:10px}.sidebar-toggle .icon{width:13px}.workspace.nav-collapsed{grid-template-columns:44px 420px minmax(500px,1fr)}.workspace.nav-collapsed .sidebar-heading,.workspace.nav-collapsed .task-nav{display:none}.workspace.nav-collapsed .sidebar-toggle{height:100%;padding:10px;writing-mode:vertical-rl}.workspace.nav-collapsed .sidebar-toggle .icon{display:none}
.lesson{min-width:0;min-height:0;overflow-y:auto;background:#fff;border-right:1px solid var(--line)}.mode-strip{height:62px;display:grid;grid-template-columns:repeat(4,1fr);border-bottom:1px solid var(--line)}.mode-strip button{display:flex;align-items:center;justify-content:center;gap:7px;border:0;border-bottom:3px solid transparent;color:#526075;background:#fff;font-size:11px;font-weight:700}.mode-strip button:hover{background:#f7f9fc}.mode-strip button.active{color:var(--amber);border-bottom-color:var(--amber);background:var(--amber-soft)}.mode-strip .icon{width:16px}.lesson-body{padding:24px 25px 42px}.activity-kicker{display:flex;align-items:center;gap:7px;color:var(--blue);font-size:9px;font-weight:800;letter-spacing:.06em}.activity-kicker.fix,.activity-kicker.boss{color:var(--amber)}.activity-kicker .icon{width:15px}.lesson h1{margin:11px 0 17px;font-size:27px;line-height:1.12;letter-spacing:-.04em}.brief{padding-left:15px;border-left:3px solid var(--amber);color:#2d3a4d;font-size:13px;line-height:1.6}.success-section{margin-top:24px}.success-section h2,.prediction-panel h2,.diagnostics h2{margin:0 0 11px;font-size:12px}.criteria{list-style:none;margin:0;padding:0}.criteria li{display:grid;grid-template-columns:20px 1fr;gap:9px;padding:7px 0;color:#3e4a5d;font-size:11px;line-height:1.4}.criterion-box{width:17px;height:17px;display:grid;place-items:center;border:1.5px solid #9eadc0;border-radius:3px;color:var(--green);font-size:9px}.criterion-box.met{border-color:var(--green)}.rubric-note{margin:20px 0 0;padding:12px;color:#5e6b7e;background:#f5f7fa;border:1px solid var(--line);border-radius:6px;font-size:10px;line-height:1.5}.rubric-note strong{color:var(--blue)}.prediction-panel{margin:20px 0;padding:16px;border:1px solid #f0c77d;border-radius:7px;background:#fffaf1}.prediction-panel>p{font-size:11px}.prediction-options{display:grid;gap:6px;margin:12px 0}.prediction-options label{display:flex;align-items:center;padding:9px;border:1px solid #dfd5c2;border-radius:5px;background:#fff;font-size:10px}.prediction-options label.selected{border-color:var(--amber);box-shadow:inset 3px 0 var(--amber)}.prediction-options input{margin-right:8px}.prediction-feedback{padding:9px;border-radius:5px;font-size:10px}.prediction-feedback.success{color:#14753d;background:var(--green-soft)}.prediction-feedback.try{color:#9a4f0c;background:#fff0dd}.lesson-test-summary{width:100%;display:grid;grid-template-columns:24px 1fr auto;gap:8px;align-items:center;margin-top:20px;padding:12px;border:1px solid var(--line);border-radius:6px;background:#fff;text-align:left}.lesson-test-summary>span{width:20px;height:20px;display:grid;place-items:center;border-radius:50%;color:#fff;font-size:10px}.lesson-test-summary strong{font-size:10px}.lesson-test-summary small{color:var(--blue);font-size:9px}.lesson-test-summary.pass{border-color:#9bd5ae}.lesson-test-summary.pass>span{background:var(--green)}.lesson-test-summary.fail{border-color:#efaa9f}.lesson-test-summary.fail>span{background:var(--red)}.diagnostics{margin-top:20px;padding-top:18px;border-top:1px solid var(--line)}.diagnostics.idle p{color:var(--muted);font-size:10px;line-height:1.5}.diagnostic-step{display:grid;grid-template-columns:22px 1fr;gap:8px;padding:9px 0}.diagnostic-step>span{width:19px;height:19px;display:grid;place-items:center;border:1px solid #a8c0e8;border-radius:50%;color:var(--blue);font:700 9px var(--mono)}.diagnostic-step strong{color:var(--blue);font-size:10px}.diagnostic-step p{margin:4px 0 0;color:#465368;font-size:10px;line-height:1.5}.next-hint{display:flex;gap:8px;margin-top:8px;padding:10px;border:1px solid var(--line);border-radius:5px;color:#718095;font-size:9px;line-height:1.4}.next-hint .icon{width:14px}.source-note{margin:19px 0 0;color:#8a96a7;font-size:8px;line-height:1.4}
.ide{min-width:0;min-height:0;display:grid;grid-template-rows:58% minmax(220px,42%);color:#e9edf4;background:#111b27}.editor-pane,.terminal-pane{min-width:0;min-height:0;display:grid;grid-template-rows:50px minmax(0,1fr)}.editor-pane{border-bottom:1px solid #445164}.ide-toolbar{display:flex;align-items:center;background:#091729;border-bottom:1px solid #2d3d51}.file-tab{align-self:stretch;display:flex;align-items:center;min-width:175px;padding:0 18px;border-bottom:3px solid var(--blue);color:#fff;font:500 11px var(--mono)}.toolbar-actions{display:flex;gap:2px;margin-left:auto;padding:0 9px}.toolbar-actions .btn{padding:0 10px;font-size:10px}.editor-host{min-height:0;overflow:hidden}.CodeMirror{height:100%;background:#111b27!important;color:#e7edf5;font:13px/1.75 var(--mono)}.CodeMirror-gutters{background:#0e1925!important;border-right:1px solid #26384b!important}.CodeMirror-linenumber{color:#728094!important}.cm-s-material-darker .cm-keyword{color:#78a9ff}.cm-s-material-darker .cm-string{color:#f4ae4b}.cm-s-material-darker .cm-number{color:#d590ff}.cm-s-material-darker .cm-comment{color:#73869a}.cm-s-material-darker .cm-def,.cm-s-material-darker .cm-variable-2{color:#62d6c3}.terminal-header{display:flex;align-items:center;justify-content:space-between;padding:0 16px;background:#091729;border-bottom:1px solid #2d3d51}.terminal-header>button{border:0;color:#b9c5d4;background:none;font-size:9px}.terminal-tabs{align-self:stretch;display:flex}.terminal-tabs button{min-width:78px;border:0;border-bottom:2px solid transparent;color:#94a2b4;background:transparent;font-size:10px;font-weight:700}.terminal-tabs button.active{color:#fff;border-bottom-color:var(--blue)}.terminal-tabs span{padding:1px 4px;border-radius:8px;background:#224a7d;font-size:8px}.terminal{min-height:0;overflow:auto;padding:16px 18px;color:#e6eaf0;background:#101b27;white-space:pre-wrap;word-break:break-word;font:11px/1.6 var(--mono)}.terminal .command{color:#5e94ff}.terminal .error{color:#ff8b7d}.terminal .muted{color:#7e8da1}.terminal-success{display:block;margin-top:10px;color:#57d184}.terminal-prompt{display:inline;color:#e6eaf0}.terminal-input{min-width:160px;margin-left:7px;padding:2px 4px;border:0;border-bottom:1px solid #4a6685;outline:0;color:#75a6ff;background:transparent;font:inherit}.terminal-input:focus{border-color:#75a6ff}.terminal-running{height:100%;display:flex;align-items:center;justify-content:center;gap:10px;color:#91a1b4}.spinner{width:16px;height:16px;border:2px solid #40516a;border-top-color:#75a6ff;border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.tests-empty{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}.tests-empty>.icon{width:28px;height:28px;color:#6697f2}.tests-empty h3{margin:10px 0 3px;font-family:var(--sans);font-size:12px}.tests-empty p{margin:0 0 13px;color:#8594a8;font-family:var(--sans);font-size:9px}.test-report-head{display:flex;align-items:baseline;gap:12px;padding:0 0 13px;font-family:var(--sans)}.test-report-head strong{font-size:13px}.test-report-head.pass strong{color:#55cf82}.test-report-head.fail strong{color:#ff8c78}.test-report-head span{color:#8f9caf;font-size:9px}.test-table{border:1px solid #2d3d51;border-radius:6px;overflow:hidden}.test-grid{display:grid;grid-template-columns:minmax(130px,1.2fr) minmax(65px,.7fr) minmax(110px,1fr) minmax(110px,1fr);border-top:1px solid #2d3d51}.test-grid:first-child{border-top:0}.test-grid>*{min-width:0;padding:9px 10px;overflow:hidden;text-overflow:ellipsis}.test-grid>span{font-family:var(--sans);font-size:9px}.test-grid code{white-space:pre-wrap;font:9px/1.35 var(--mono)}.test-grid i{width:16px;height:16px;display:inline-grid;place-items:center;margin-right:6px;border-radius:50%;color:#fff;font-style:normal}.test-grid.pass i{background:var(--green)}.test-grid.fail i{background:var(--red)}.test-grid.fail code:last-child,.test-grid.fail code:nth-last-child(2){color:#ff856f}.test-grid-head{color:#aab5c5;background:#1c2a3c}.test-grid-head span{font-weight:700}.statusbar{display:grid;grid-template-columns:1fr auto;align-items:center;padding:0 20px;border-top:1px solid #32455b;color:#d4deeb;background:#0b192c;font:9px var(--mono)}.save-status,.editor-status{display:flex;align-items:center;gap:12px}.status-dot{width:16px;height:16px;display:grid;place-items:center;border-radius:50%;color:#0b2e19;background:var(--green);font-size:8px}.mobile-nav{display:none}.print-evidence,.print-portfolio{display:none}.toast{position:fixed;z-index:30;left:50%;bottom:54px;max-width:min(480px,90vw);transform:translate(-50%,18px);padding:11px 16px;border:1px solid #51647b;border-radius:6px;color:#fff;background:#22354b;opacity:0;pointer-events:none;transition:.2s;font-size:11px}.toast.show{opacity:1;transform:translate(-50%,0)}
/* Portfolio and profiles */
.portfolio-shell{height:100vh;overflow:hidden}.portfolio-layout{min-height:0;overflow:auto;padding:36px 46px 70px;background:#fff}.portfolio-heading{display:grid;grid-template-columns:1fr auto;gap:18px;align-items:end;padding-bottom:26px;border-bottom:1px solid var(--line)}.portal-back{grid-column:1/-1;justify-self:start;display:flex;align-items:center;gap:7px;padding:0;border:0;color:var(--blue);background:transparent;font-size:10px;font-weight:800}.portfolio-heading h1{margin:0;font-size:31px;letter-spacing:-.04em}.portfolio-heading p{margin:7px 0 0;color:var(--muted);font-size:11px}.portfolio-actions{display:flex;gap:8px}.profile-transfer-note{margin:18px 0 0;padding:11px 13px;border-left:3px solid var(--green);color:#435066;background:#f3faf5;font-size:10px;line-height:1.5}.profile-transfer-note strong{color:#17623a}.portfolio-content{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:38px;padding-top:24px}.section-title{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:14px}.section-title h2,.badges-panel h2{margin:0;font-size:14px}.section-title span,.badges-panel>p{color:var(--muted);font-size:9px}.portfolio-row{display:grid;grid-template-columns:28px minmax(0,1fr) auto auto;gap:13px;align-items:center;padding:15px 4px;border-bottom:1px solid var(--line)}.portfolio-status{width:22px;height:22px;display:grid;place-items:center;border-radius:50%;color:#fff;background:var(--green);font-size:10px}.portfolio-row h3{margin:0;font-size:11px}.portfolio-row p{margin:3px 0 0;color:var(--muted);font-size:9px}.portfolio-row time{color:#7d8999;font-size:9px}.portfolio-empty{padding:54px;text-align:center;border:1px dashed #bac4d0;border-radius:8px}.portfolio-empty h3{margin:0;font-size:15px}.portfolio-empty p{color:var(--muted);font-size:10px}.badges-panel{padding:21px;border:1px solid var(--line);border-radius:8px}.badge-row{display:grid;grid-template-columns:34px 1fr auto;gap:10px;align-items:center;padding:13px 0;border-top:1px solid var(--line)}.badge-row:first-of-type{margin-top:17px}.badge-row>span{width:31px;height:31px;display:grid;place-items:center;border:1px solid #b7c2cf;border-radius:50%;color:#7c8999;font:700 13px var(--mono)}.badge-row strong,.badge-row small{display:block}.badge-row strong{font-size:10px}.badge-row small{margin-top:3px;color:var(--muted);font-size:8px}.badge-row em{color:#8b97a7;font-size:8px;font-style:normal}.badge-row.earned>span{border-color:var(--amber);color:#9a6000;background:var(--amber-soft)}.badge-row.earned em{color:var(--green);font-weight:800}.profile-dialog{width:min(470px,92vw);padding:0;border:0;border-radius:10px;color:var(--ink);box-shadow:0 24px 80px rgba(0,0,0,.35)}.profile-dialog::backdrop{background:rgba(4,14,28,.72)}.dialog-head{display:flex;justify-content:space-between;padding:22px 24px;border-bottom:1px solid var(--line)}.dialog-head h2{margin:0;font-size:18px}.dialog-head p{margin:5px 0 0;color:var(--muted);font-size:10px}.dialog-close{align-self:start;width:30px;height:30px;border:0;border-radius:50%;color:#5d6979;background:#edf1f5;font-size:18px}.profile-list{display:grid;gap:6px;max-height:270px;overflow:auto;padding:18px 24px}.profile-choice{display:grid;grid-template-columns:38px 1fr auto;gap:10px;align-items:center;padding:10px;border:1px solid var(--line);border-radius:6px;background:#fff;text-align:left}.profile-choice.active{border-color:var(--blue);background:#f4f8ff}.profile-choice strong,.profile-choice small{display:block}.profile-choice strong{font-size:11px}.profile-choice small{margin-top:2px;color:var(--muted);font-size:8px}.new-profile{padding:18px 24px 24px;border-top:1px solid var(--line)}.new-profile label{display:block;margin-bottom:7px;font-size:10px;font-weight:800}.new-profile>div{display:flex;gap:8px}.new-profile input{min-width:0;flex:1;padding:9px 10px;border:1px solid #b9c4d0;border-radius:5px;font-size:11px}
.profile-transfer-tools{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:14px;align-items:center;padding:14px 24px;border-top:1px solid var(--line);background:#f7f9fc}.profile-transfer-tools p,.profile-transfer-tools strong,.profile-transfer-tools span{display:block;margin:0}.profile-transfer-tools strong{font-size:10px}.profile-transfer-tools span{margin-top:3px;color:var(--muted);font-size:8px;line-height:1.4}.profile-transfer-tools>div{display:flex;gap:6px}.profile-transfer-tools .btn{min-height:34px;padding-inline:10px;font-size:9px}
/* Course areas: overview, lessons and missions */
.course-area-shell{height:100vh;overflow:hidden}.course-area-shell .portal-header{display:grid;grid-template-columns:auto auto 1fr auto;gap:28px}.header-course{padding:8px 22px;border:1px solid #415268;border-radius:7px;color:#fff;background:transparent;font-size:12px;font-weight:700}.course-tabs{height:60px;display:flex;align-items:stretch;justify-content:center;gap:24px}.course-tabs button{position:relative;padding:0 10px;border:0;color:#c2cede;background:transparent;font-size:12px;font-weight:700}.course-tabs button:after{content:"";position:absolute;right:8px;bottom:0;left:8px;height:3px;background:transparent}.course-tabs button:hover,.course-tabs button.active{color:#fff}.course-tabs button.active:after{background:var(--blue)}.course-tabs button[data-route="missions"].active:after{background:var(--amber)}.course-area{min-height:0;overflow:auto;padding:36px clamp(28px,5vw,76px) 72px;background:#fff}.course-intro{display:flex;align-items:center;gap:24px;padding-bottom:30px;border-bottom:1px solid var(--line)}.course-symbol{width:78px;height:78px;display:grid;place-items:center;flex:0 0 auto;border:1px solid #95b9ff;border-radius:12px;color:var(--blue);background:#f7faff}.course-symbol .icon{width:38px;height:38px}.course-intro h1,.area-heading h1{margin:0;font-size:clamp(32px,4vw,48px);letter-spacing:-.05em}.course-intro p,.area-heading p{max-width:720px;margin:7px 0 0;color:var(--muted);font-size:13px;line-height:1.6}.area-section{margin-top:32px}.area-section>h2{margin:0 0 14px;font-size:18px}.assigned-empty,.assigned-row{min-height:78px;display:flex;align-items:center;gap:18px;padding:18px 24px;border:1px solid var(--line);border-radius:9px;color:#455268;background:#fbfcfe}.assigned-empty .icon{width:26px;color:var(--blue)}.assigned-row{width:100%;display:grid;grid-template-columns:36px 1fr 18px;text-align:left}.assigned-row strong,.assigned-row small{display:block}.continue-split{overflow:hidden;border:1px solid var(--line);border-radius:10px}.continue-row{width:100%;min-height:106px;display:grid;grid-template-columns:66px minmax(240px,1fr) minmax(130px,240px) auto 18px;gap:20px;align-items:center;padding:18px 24px;border:0;border-left:4px solid var(--blue);color:var(--ink);background:#fff;text-align:left}.continue-row+.continue-row{border-top:1px solid var(--line)}.continue-row:hover{background:#f8faff}.continue-row.mission-row{border-left-color:var(--amber)}.area-icon{width:54px;height:54px;display:grid;place-items:center;border-radius:9px;color:var(--blue);background:var(--blue-soft)}.area-icon .icon{width:27px;height:27px}.area-icon.amber,.mission-row .area-icon{color:#b66d00;background:var(--amber-soft)}.continue-row small,.continue-row strong,.continue-row em{display:block}.continue-row small{margin-bottom:6px;color:var(--blue);font-size:9px;font-weight:800;text-transform:uppercase;letter-spacing:.07em}.mission-row small{color:#b66d00}.continue-row strong{font-size:15px}.continue-row em{margin-top:4px;color:var(--muted);font-size:10px;font-style:normal}.continue-row>b{padding:11px 17px;border:1px solid #9dbdff;border-radius:6px;color:var(--blue);font-size:11px;text-align:center}.mission-row>b{border-color:#eeb85d;color:#a86300}.continue-row>.icon{width:14px}.row-progress{height:5px;display:block;overflow:hidden;border-radius:4px;background:#e1e7ef}.row-progress i{display:block;height:100%;background:var(--blue)}.row-progress.amber i,.mission-row .row-progress i{background:var(--amber)}.progress-pair{display:grid;grid-template-columns:1fr 1fr;gap:22px}.progress-pair>div{display:grid;grid-template-columns:54px minmax(120px,180px) 1fr;gap:18px;align-items:center;padding:18px;border:1px solid var(--line);border-radius:9px}.progress-pair strong,.progress-pair em{display:block}.progress-pair strong{font-size:12px}.progress-pair em{margin-top:5px;color:var(--muted);font:500 10px var(--mono);font-style:normal}.area-actions{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:20px}.area-actions .btn{min-height:48px}.btn-mission{color:#9b5c00;background:#fff;border-color:var(--amber)}.btn-mission:hover{background:var(--amber-soft)}
.area-heading{display:flex;align-items:end;justify-content:space-between;gap:24px;padding-bottom:27px;border-bottom:1px solid var(--line)}.area-heading>.btn{min-width:160px}.heading-progress{display:flex;align-items:center;gap:6px;margin-top:20px;color:var(--muted);font-size:11px}.heading-progress strong{color:var(--blue);font-size:18px}.heading-progress .row-progress{width:260px;margin-left:13px}.syllabus{margin-top:22px;border:1px solid var(--line);border-radius:10px;overflow:hidden}.lesson-group+.lesson-group{border-top:1px solid var(--line)}.lesson-group-head{min-height:66px;display:grid;grid-template-columns:34px minmax(180px,1fr) 240px;gap:16px;align-items:center;padding:12px 20px;background:#fbfcfe}.lesson-group-head>span{width:30px;height:30px;display:grid;place-items:center;border-radius:50%;color:#fff;background:var(--blue);font:700 11px var(--mono)}.lesson-group-head h2{margin:0;font-size:14px}.lesson-group-head small{color:var(--muted);font-size:9px}.lesson-rows{border-top:1px solid var(--line)}.syllabus-row{position:relative;width:100%;min-height:61px;display:grid;grid-template-columns:34px minmax(260px,1fr) auto 16px;gap:16px;align-items:center;padding:10px 20px;border:0;border-top:1px solid var(--line);color:var(--ink);background:#fff;text-align:left}.syllabus-row:first-child{border-top:0}.syllabus-row:hover,.syllabus-row.current{background:#f5f9ff}.syllabus-row.current:before{content:"";position:absolute;top:0;bottom:0;left:0;width:3px;background:var(--blue)}.lesson-node{width:26px;height:26px;display:grid;place-items:center;border:2px solid var(--blue);border-radius:50%;color:#fff;font-size:10px}.syllabus-row.complete .lesson-node{background:var(--blue)}.syllabus-row strong,.syllabus-row small{display:block}.syllabus-row strong{font-size:11px}.syllabus-row small{margin-top:4px;color:var(--muted);font:9px var(--mono)}.syllabus-row b{color:var(--blue);font-size:10px}.syllabus-row>.icon{width:13px;color:var(--blue)}
.missions-area{background:#fbfcfe}.mission-catalogue{display:grid;grid-template-columns:minmax(300px,36%) minmax(540px,1fr);gap:28px;margin-top:26px}.mission-catalogue>aside{padding:22px;border:1px solid var(--line);border-radius:10px;background:#fff}.mission-catalogue>aside>h2{margin:0 0 14px;font-size:12px}.mission-card{width:100%;display:grid;grid-template-columns:72px minmax(0,1fr) 16px;gap:16px;align-items:center;padding:20px;border:2px solid var(--blue);border-radius:9px;color:var(--ink);background:#fff;text-align:left}.mission-mark{width:70px;height:70px;display:grid;place-items:center;position:relative;border-radius:10px;color:#fff;background:var(--navy-950);font:600 22px var(--mono)}.mission-mark i,.mission-mark span{position:absolute;right:8px;bottom:7px;color:var(--amber);font:700 9px var(--mono);font-style:normal}.mission-card strong,.mission-card em{display:block}.mission-card strong{font-size:17px}.mission-card em{margin-top:7px;color:#39465a;font-size:11px;font-style:normal;line-height:1.5}.skill-list{display:flex;flex-wrap:wrap;gap:7px;margin-top:11px}.skill-list span,.skill-list small{padding:4px 8px;border:1px solid #9dbdff;border-radius:4px;color:var(--blue);font:500 9px var(--mono)}.mission-card-progress{display:block;margin-top:17px;padding-top:14px;border-top:1px solid var(--line);color:var(--muted);font-size:9px}.mission-card>.icon{width:13px;color:var(--blue)}.future-missions{margin:26px 0 0;padding:22px;border:1px dashed #bdc8d5;border-radius:8px;color:var(--muted);font-size:10px;text-align:center}.mission-dossier{padding:28px;border:1px solid var(--line);border-radius:10px;background:#fff;box-shadow:0 8px 25px rgba(20,55,100,.06)}.mission-dossier>header{display:grid;grid-template-columns:86px minmax(0,1fr);gap:20px;align-items:center;padding-bottom:20px;border-bottom:1px solid var(--line)}.mission-dossier h2{margin:0;font-size:28px;letter-spacing:-.04em}.mission-dossier header p{margin:6px 0 0;color:#354157;font-size:11px}.mission-brief{padding:17px 0;border-bottom:1px solid var(--line)}.mission-dossier h3{margin:0 0 7px;font-size:12px}.mission-brief p{margin:0;color:#354157;font:10px/1.65 var(--mono)}.mission-route-head{display:flex;align-items:center;justify-content:space-between;padding:16px 0 10px}.mission-route-head h3{margin:0}.mission-route-head span{color:var(--muted);font-size:9px}.checkpoint-route{position:relative;padding-left:24px}.checkpoint-route:before{content:"";position:absolute;top:22px;bottom:22px;left:36px;border-left:2px solid #8db4ff}.checkpoint{position:relative;width:100%;min-height:63px;display:grid;grid-template-columns:28px 58px minmax(220px,1fr) auto 14px;gap:12px;align-items:center;margin-top:7px;padding:9px 13px;border:1px solid var(--line);border-radius:7px;color:var(--ink);background:#fff;text-align:left}.checkpoint:hover:not(:disabled),.checkpoint.current{border-color:var(--blue);background:#f8faff}.checkpoint.locked{color:#818da0;background:#fafbfc}.checkpoint-node{z-index:1;width:26px;height:26px;display:grid;place-items:center;border:2px solid var(--blue);border-radius:50%;color:var(--blue);background:#fff;font:700 9px var(--mono)}.checkpoint-node .icon{width:11px}.checkpoint.complete .checkpoint-node{color:#fff;background:var(--green);border-color:var(--green)}.checkpoint-mode{font:600 10px var(--mono)}.checkpoint strong,.checkpoint small{display:block}.checkpoint strong{font-size:10px}.checkpoint small{margin-top:4px;color:var(--muted);font-size:8px}.checkpoint em{color:var(--muted);font-size:8px;font-style:normal}.checkpoint>.icon{width:12px}.mission-continue{min-height:43px;margin:17px 0 0 auto;display:flex}.missions-area>.portal-back{margin:22px 0 16px}.missions-area>.mission-dossier{max-width:980px}.mission-fill{background:var(--amber)}.studio-return{display:flex;align-items:center;gap:6px;margin:0 0 14px;padding:0;border:0;color:#7da9ff;background:transparent;font-size:9px;font-weight:700}.studio-return .icon{width:11px}.activity-kicker.lesson-type{color:var(--blue)}
@media(max-width:1180px){.mission-layout{grid-template-columns:210px minmax(520px,1fr) 280px}.mission-main{padding:28px 25px}.stage-card{min-height:104px}.course-area-shell .portal-header{grid-template-columns:auto auto 1fr}.course-area-shell .portal-actions{display:none}.course-tabs{justify-content:flex-end}.topbar{grid-template-columns:250px 360px 1fr}.workspace{grid-template-columns:250px 370px minmax(430px,1fr)}.toolbar-actions .btn span{display:none}.profile-button.compact>span:nth-child(2){display:none}.lesson-body{padding:21px}.portfolio-content{grid-template-columns:1fr 270px}.mission-catalogue{grid-template-columns:300px minmax(480px,1fr)}.continue-row{grid-template-columns:60px minmax(220px,1fr) 160px auto 14px}}
@media(min-width:1400px){.mission-route{grid-template-columns:repeat(3,minmax(190px,1fr));gap:20px 22px}.stage-card{min-height:138px}.boss-card{grid-column:2/-1;min-height:102px}}
@media(max-width:900px){body{overflow:auto}.portal-shell,.course-map-shell,.portfolio-shell{height:auto;min-height:100vh;overflow:visible}.mission-layout{display:block}.profile-rail{display:grid;grid-template-columns:auto 1fr auto;align-items:center;padding:18px 22px}.rail-avatar{width:42px;height:42px}.profile-rail h2{margin:0 0 0 12px}.profile-rail>.text-button{justify-self:end}.profile-rail .rail-section,.profile-rail .rail-nav{display:none}.mission-main{overflow:visible}.continue-rail{display:grid;grid-template-columns:1fr 1fr;gap:14px;border:0}.continue-rail>section+section{margin:0}.app-shell{height:auto;min-height:100vh;grid-template-rows:58px auto 38px}.topbar{position:sticky;z-index:10;top:0;grid-template-columns:1fr auto}.brand{border:0}.course-progress{display:none}.workspace{display:block}.sidebar{position:fixed;z-index:15;top:58px;bottom:38px;left:0;width:304px;transform:translateX(-102%);transition:.25s;box-shadow:12px 0 35px rgba(0,0,0,.35)}.sidebar.open{transform:translateX(0)}.mobile-nav{display:inline-flex;margin-right:6px}.lesson{min-height:500px}.ide{height:750px;grid-template-rows:56% 44%}.statusbar{position:sticky;bottom:0}.portfolio-content{grid-template-columns:1fr}.portfolio-heading{display:block}.portfolio-actions{margin-top:20px;flex-wrap:wrap}}
@media(max-width:620px){.portal-header{padding:0 16px}.portal-brand{font-size:15px}.header-link span,.profile-button>span:nth-child(2){display:none}.course-home{display:block}.course-hero{padding:48px 24px}.course-hero h1{font-size:42px}.course-list{padding:38px 24px 60px}.course-row{grid-template-columns:46px minmax(0,1fr)}.selector-action{grid-column:2}.mission-heading{display:block}.mission-heading>span{display:block}.route-label span{display:none}.mission-route{grid-template-columns:1fr}.boss-card{grid-column:auto}.continue-rail{display:block;padding:18px}.continue-rail>section+section{margin-top:14px}.top-actions .profile-button{display:none}.btn-print span{display:none}.mode-strip span{display:none}.lesson h1{font-size:24px}.ide{height:780px}.file-tab{min-width:130px}.test-grid{grid-template-columns:1fr}.test-grid-head{display:none}.test-grid>*{padding:6px 10px}.editor-status{display:none}.portfolio-layout{padding:28px 20px 60px}.portfolio-actions .btn{flex:1}.portfolio-row{grid-template-columns:26px 1fr auto}.portfolio-row time{display:none}.portfolio-row .text-button{grid-column:2}.profile-rail{grid-template-columns:auto 1fr}.profile-rail>.text-button{display:none}}
@media(max-width:900px){.course-area-shell{grid-template-rows:105px auto}.course-area-shell .portal-header{position:sticky;z-index:10;top:0;grid-template-columns:1fr;min-height:105px;gap:0;padding:10px 20px 0}.course-area-shell .portal-brand{justify-self:start}.course-area-shell .header-course{display:none}.course-tabs{grid-row:2;width:100%;height:45px;gap:4px;justify-content:space-between}.course-tabs button{flex:1;padding:0 4px;font-size:10px}.course-area{padding:28px 22px 60px;overflow:visible}.course-intro{align-items:flex-start}.continue-row{grid-template-columns:48px minmax(0,1fr) 14px;gap:14px;padding:16px}.continue-row .area-icon{width:44px;height:44px}.continue-row .row-progress,.continue-row>b{grid-column:2}.continue-row>.icon{grid-column:3;grid-row:1}.progress-pair,.area-actions{grid-template-columns:1fr}.mission-catalogue{grid-template-columns:1fr}.mission-catalogue>aside{padding:16px}.mission-dossier{padding:21px}.mission-catalogue .mission-dossier{margin-top:0}.lesson-group-head{grid-template-columns:34px 1fr 160px}.syllabus-row{grid-template-columns:32px minmax(180px,1fr) auto 14px}}
@media(max-width:620px){.course-symbol{width:54px;height:54px}.course-symbol .icon{width:26px}.course-intro{gap:14px}.course-intro h1,.area-heading h1{font-size:30px}.course-intro p{font-size:11px}.area-heading{display:block}.area-heading>.btn{margin-top:18px;width:100%}.heading-progress .row-progress{width:110px}.progress-pair>div{grid-template-columns:46px minmax(110px,1fr)}.progress-pair>div>.row-progress{grid-column:1/-1}.lesson-group-head{grid-template-columns:30px 1fr}.lesson-group-head>.row-progress{grid-column:1/-1}.syllabus-row{grid-template-columns:28px minmax(0,1fr) 12px;padding:10px 13px}.syllabus-row>b{display:none}.mission-card{grid-template-columns:56px minmax(0,1fr) 12px;padding:14px}.mission-card .mission-mark{width:54px;height:54px}.mission-dossier>header{grid-template-columns:58px minmax(0,1fr);gap:13px}.mission-dossier .mission-mark{width:56px;height:56px}.mission-dossier h2{font-size:23px}.checkpoint-route{padding-left:0}.checkpoint-route:before{left:24px}.checkpoint{grid-template-columns:26px 50px minmax(0,1fr);gap:8px}.checkpoint em,.checkpoint>.icon{display:none}.checkpoint small{line-height:1.4}.mission-route-head{align-items:flex-start}.mission-route-head span{text-align:right}.mission-continue{width:100%}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation-duration:.01ms!important;transition-duration:.01ms!important}}
@media print{@page{margin:16mm}body{overflow:visible;background:#fff}.portal-header,.portfolio-layout,.topbar,.sidebar,.lesson,.ide-toolbar,.terminal-header,.statusbar,.toast,.editor-host,.terminal{display:none!important}.print-evidence,.print-portfolio{display:block!important;color:#111;font-family:var(--sans)}.app-shell,.workspace,.ide,.editor-pane,.terminal-pane,.portfolio-shell{display:block;height:auto}.print-evidence h1,.print-portfolio h1{font-size:22pt}.print-evidence h2,.print-portfolio h2{margin-top:22px;padding-bottom:5px;border-bottom:1px solid #aaa;font-size:13pt}.print-evidence pre,.print-portfolio pre{white-space:pre-wrap;font:9pt/1.45 var(--mono)}.print-portfolio h2{break-before:page}.print-portfolio h2:first-of-type{break-before:auto}}
.terminal-prompt{display:inline-flex;align-items:center;gap:8px;flex-wrap:wrap}.terminal-submit{padding:4px 9px;border:1px solid #49698f;border-radius:4px;color:#dbe8f5;background:#1b3858;font:600 11px var(--sans);cursor:pointer}.terminal-submit:hover{background:#26527f}.terminal-submit:disabled{opacity:.5;cursor:not-allowed}
.terminal-check{display:block;margin-top:10px;color:#ffbd66}.rubric-note.run-result{border-left:3px solid var(--blue);font-weight:600}.rubric-note.run-result.needs-work{border-left-color:#e89b21;background:#fff8ea;color:#81550f}.rubric-note.run-result.pass{border-left-color:var(--green);background:#eefaf2;color:#176332}


/* Streamlined lesson browser + Python studio */
.lesson-browser-heading{align-items:center}.lesson-finder{max-width:760px;margin:22px 0 0}.lesson-finder>label{display:block;margin-bottom:8px;color:var(--ink);font-size:11px;font-weight:800}.lesson-finder>div{height:46px;display:grid;grid-template-columns:28px 1fr auto;gap:9px;align-items:center;padding:0 13px;border:1px solid #aebccc;border-radius:8px;background:#fff;box-shadow:0 3px 12px rgba(15,39,70,.04)}.lesson-finder .icon{width:16px;color:var(--blue)}.lesson-finder input{width:100%;border:0;outline:0;color:var(--ink);background:transparent;font-size:12px}.lesson-finder kbd{padding:3px 7px;border:1px solid #c7d0da;border-bottom-width:2px;border-radius:4px;color:#68778a;background:#f7f9fb;font:10px var(--mono)}.lesson-finder p{margin:7px 2px 0;color:var(--muted);font-size:9px}.syllabus-row[hidden],.lesson-group[hidden]{display:none!important}

.streamlined-studio{position:relative}.studio-topbar{grid-template-columns:230px minmax(250px,1fr) minmax(160px,240px) auto}.studio-topbar .brand{padding-left:18px}.studio-breadcrumb{min-width:0;padding:0 18px}.studio-breadcrumb span,.studio-breadcrumb strong{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.studio-breadcrumb span{color:#8fa2b9;font-size:9px}.studio-breadcrumb strong{margin-top:3px;color:#fff;font-size:11px}.compact-progress{padding:0 14px}.compact-progress .progress-copy{font-size:9px}.studio-actions{gap:4px}.studio-actions>.btn{min-height:34px;padding:0 10px;color:#dbe7f4;border-color:#3b5069;font-size:10px}.studio-actions>.btn:hover,.studio-actions>.btn.active{color:#fff;background:#17324f}.streamlined-workspace{grid-template-columns:minmax(310px,35%) minmax(0,65%)}.streamlined-workspace .lesson{border-right:1px solid var(--line)}.streamlined-workspace .ide{min-width:0}.instruction-panel .lesson-body{max-width:620px;margin:0 auto;padding:28px 30px 38px}.instruction-panel .brief{font-size:12px}.instruction-panel h1{font-size:24px}.lesson-step-nav{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:26px;padding-top:18px;border-top:1px solid var(--line)}.step-link{min-width:0;min-height:54px;display:flex;align-items:center;gap:9px;padding:9px 10px;border:1px solid var(--line);border-radius:7px;color:var(--ink);background:#fff;text-align:left}.step-link:hover{border-color:#9bbcff;background:#f7faff}.step-link.next{justify-content:flex-end;text-align:right}.step-link .icon{width:12px;color:var(--blue)}.step-link span{min-width:0}.step-link small,.step-link strong{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.step-link small{color:var(--muted);font-size:8px}.step-link strong{margin-top:3px;font-size:9px}

.help-ladder{margin-top:22px;padding-top:18px;border-top:1px solid var(--line)}.help-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:14px}.help-heading h2{margin:0;font-size:12px}.help-heading p{margin:4px 0 0;color:var(--muted);font-size:9px}.help-level{padding:4px 7px;border-radius:10px;color:#53657a;background:#edf1f6;font:700 8px var(--mono)}.diagnostic-status{margin-top:10px;padding:10px 11px;border-left:3px solid var(--blue);border-radius:0 5px 5px 0;background:#f5f8fd}.diagnostic-status strong{display:block;color:var(--blue);font-size:9px}.diagnostic-status p{margin:3px 0 0;color:#465368;font-size:9px;line-height:1.45}.help-step{display:grid;grid-template-columns:25px 1fr;gap:9px;margin-top:9px;padding:10px 11px;border:1px solid var(--line);border-radius:6px;background:#fff}.help-step>span,.scaffold-title>span{width:23px;height:23px;display:grid;place-items:center;border-radius:50%;color:#fff;background:var(--blue);font:700 9px var(--mono)}.help-step strong,.scaffold-title strong{display:block;font-size:10px}.help-step p,.scaffold-title p{margin:4px 0 0;color:#556276;font-size:9px;line-height:1.5}.btn-help{width:100%;min-height:43px;margin-top:12px;justify-content:space-between;padding:0 13px;color:var(--blue);border:1px solid #9dbdff;background:#f6f9ff}.btn-help:hover{background:#edf4ff}.btn-help span{padding:3px 6px;border-radius:9px;color:#63758c;background:#fff;font:700 8px var(--mono)}.scaffold-card{margin-top:11px;padding:12px;border:1px solid #9dbdff;border-radius:7px;background:#f7faff}.scaffold-title{display:grid;grid-template-columns:26px 1fr;gap:8px;align-items:start}.scaffold-card pre{max-height:310px;overflow:auto;margin:12px 0 0;padding:12px;border-radius:6px;color:#e7edf5;background:#111b27;white-space:pre;tab-size:4;font:10px/1.65 var(--mono)}.scaffold-actions{display:flex;gap:7px;flex-wrap:wrap;margin-top:10px}.scaffold-actions .btn{min-height:34px;font-size:9px}

.drawer-backdrop{position:fixed;z-index:39;inset:60px 0 40px;background:rgba(4,14,28,.46)}.drawer-backdrop[hidden]{display:none}.lesson-drawer{position:fixed;z-index:40;top:60px;bottom:40px;left:0;width:min(390px,88vw);display:grid;grid-template-rows:auto auto minmax(0,1fr);color:#dbe7f4;background:var(--navy-950);border-right:1px solid #41536b;box-shadow:18px 0 55px rgba(0,0,0,.28);transform:translateX(-104%);transition:transform .2s ease}.lesson-drawer.open{transform:translateX(0)}.drawer-head{display:flex;align-items:flex-start;justify-content:space-between;padding:18px 18px 14px;border-bottom:1px solid #34465c}.drawer-head strong,.drawer-head span{display:block}.drawer-head strong{color:#fff;font-size:13px}.drawer-head span{margin-top:4px;color:#91a4bb;font-size:9px}.drawer-head .dialog-close{color:#d9e4f0;background:#1d344f}.drawer-search{padding:12px 14px 3px}.drawer-search input{width:100%;height:38px;padding:0 11px;border:1px solid #415875;border-radius:6px;outline:0;color:#fff;background:#10243c;font-size:10px}.drawer-search input:focus{border-color:#6a9eff}.lesson-drawer .task-nav{padding-top:10px}.lesson-drawer .task-row{min-height:43px}.lesson-drawer .task-row[hidden],.lesson-drawer .unit[hidden]{display:none!important}.drawer-open{overflow:hidden}

.streamlined-workspace.focus-mode{grid-template-columns:minmax(0,1fr)}.streamlined-workspace.focus-mode .instruction-panel{display:none}.streamlined-workspace.focus-mode .ide{height:auto}.streamlined-studio .ide{grid-template-rows:minmax(270px,58%) minmax(180px,42%)}

@media(max-width:1180px){
  .studio-topbar{grid-template-columns:205px minmax(220px,1fr) 150px auto}.studio-breadcrumb{padding-inline:12px}.studio-actions .profile-button.compact>span:nth-child(2){display:none}.studio-actions>.btn span{display:none}.streamlined-workspace{grid-template-columns:minmax(300px,38%) minmax(0,62%)}.instruction-panel .lesson-body{padding:24px 22px 34px}
}
@media(max-width:900px){
  .streamlined-studio.app-shell{height:100vh;min-height:100vh;grid-template-rows:58px minmax(0,1fr) 38px}.studio-topbar{position:relative;top:auto;grid-template-columns:minmax(0,1fr) auto}.studio-topbar .brand{display:none}.studio-breadcrumb{padding-left:16px}.compact-progress{display:none}.studio-actions{padding-right:8px}.studio-actions>.btn{display:inline-flex}.streamlined-workspace{height:auto;min-height:0;display:grid;grid-template-columns:minmax(260px,40%) minmax(0,60%)}.streamlined-workspace .lesson{min-height:0;overflow:auto}.streamlined-studio .ide{height:auto;min-height:0}.lesson-drawer{top:58px;bottom:38px}.drawer-backdrop{inset:58px 0 38px}.statusbar{position:relative;bottom:auto}.instruction-panel .lesson-body{padding:20px 18px 28px}
}
@media(max-width:720px){
  .studio-breadcrumb span{display:none}.studio-breadcrumb strong{font-size:10px}.streamlined-workspace{display:block;overflow:auto}.streamlined-workspace .instruction-panel{min-height:auto;max-height:none}.streamlined-studio .ide{height:720px}.streamlined-workspace.focus-mode .ide{height:calc(100vh - 96px)}.lesson-step-nav{grid-template-columns:1fr}.studio-actions #focus-mode span,.studio-actions #open-lesson-drawer span{display:none}.lesson-finder{max-width:none}
}

/* Privacy links */
.privacy-home-button{width:min(860px,100%);display:flex;align-items:center;justify-content:space-between;gap:18px;margin-top:24px;padding:16px 18px;border:1px solid var(--line);border-radius:8px;color:var(--ink);background:#f8fafc;text-decoration:none}.privacy-home-button:hover{border-color:#9dbdff;background:#f3f7ff}.privacy-home-button strong,.privacy-home-button small{display:block}.privacy-home-button strong{font-size:12px}.privacy-home-button small{margin-top:4px;color:var(--muted);font-size:9px;line-height:1.45}.privacy-home-button .icon{width:14px;color:var(--blue)}
.site-privacy-footer{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-top:42px;padding:18px 2px 6px;border-top:1px solid var(--line);color:#7c8999;font-size:9px}.site-privacy-footer a{color:var(--blue);font-weight:800;text-decoration:none}.site-privacy-footer a:hover{text-decoration:underline}
.status-privacy-link{color:#9fb5cc;text-decoration:none;font-weight:700}.status-privacy-link:hover{color:#fff;text-decoration:underline}
@media(max-width:620px){.site-privacy-footer{align-items:flex-start;flex-direction:column;gap:6px}.privacy-home-button{margin-top:18px}.status-privacy-link{display:none}}
@media print{.site-privacy-footer,.privacy-home-button{display:none!important}}


/* Phone & tablet pupil workspace */
.python-mobile-tabs{display:none}
@media(max-width:1050px){
  .streamlined-studio.app-shell{height:100dvh;min-height:100dvh;grid-template-rows:58px 50px minmax(0,1fr) 38px;overflow:hidden}
  .streamlined-studio .studio-topbar{position:relative;top:auto;grid-template-columns:minmax(0,1fr) auto;min-height:58px}
  .streamlined-studio .studio-topbar .brand,.streamlined-studio .compact-progress{display:none}
  .streamlined-studio .studio-breadcrumb{min-width:0;padding:0 14px}
  .streamlined-studio .studio-breadcrumb span{display:none}
  .streamlined-studio .studio-breadcrumb strong{font-size:11px}
  .streamlined-studio .studio-actions{padding:0 8px;gap:4px}
  .streamlined-studio .studio-actions>.btn{min-width:44px;min-height:44px;padding:0 10px}
  .streamlined-studio .studio-actions>.btn span{display:none}
  .python-mobile-tabs{display:grid;grid-template-columns:repeat(3,1fr);min-height:50px;border-bottom:1px solid var(--line);background:#fff}
  .python-mobile-tabs button{min-width:0;min-height:50px;border:0;border-bottom:3px solid transparent;color:#566579;background:#fff;font-size:12px;font-weight:800}
  .python-mobile-tabs button.active{color:var(--blue);border-bottom-color:var(--blue);background:#f6f9ff}
  .streamlined-workspace,.streamlined-workspace.focus-mode{height:100%;min-height:0;display:block;overflow:hidden}
  .streamlined-workspace .instruction-panel,.streamlined-workspace .ide,.streamlined-workspace.focus-mode .instruction-panel{display:none}
  .streamlined-workspace[data-mobile-active="brief"] .instruction-panel{display:block;height:100%;min-height:0;overflow:auto;border:0}
  .streamlined-workspace[data-mobile-active="code"] .ide,.streamlined-workspace[data-mobile-active="results"] .ide{display:grid;height:100%;min-height:0}
  .streamlined-workspace[data-mobile-active="code"] .ide{grid-template-rows:minmax(0,1fr)}
  .streamlined-workspace[data-mobile-active="code"] .terminal-pane{display:none}
  .streamlined-workspace[data-mobile-active="results"] .ide{grid-template-rows:minmax(0,1fr)}
  .streamlined-workspace[data-mobile-active="results"] .editor-pane{display:none}
  .streamlined-workspace[data-mobile-active="results"] .terminal-pane{display:grid;grid-template-rows:52px minmax(0,1fr)}
  .instruction-panel .lesson-body{max-width:720px;padding:24px 24px 88px}
  .instruction-panel h1{font-size:25px}
  .instruction-panel .brief{font-size:14px;line-height:1.65}
  .criteria li{font-size:12px;line-height:1.5}
  .help-step p,.scaffold-title p,.diagnostic-status p{font-size:11px}
  .btn-help{min-height:48px;font-size:11px}
  .streamlined-studio .editor-pane{grid-template-rows:54px minmax(0,1fr)}
  .streamlined-studio .ide-toolbar{min-width:0}
  .streamlined-studio .file-tab{min-width:0;max-width:44%;padding:0 12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .streamlined-studio .toolbar-actions{min-width:0;gap:4px;padding:0 7px}
  .streamlined-studio .toolbar-actions .btn{min-width:44px;min-height:44px;padding:0 9px}
  .streamlined-studio #run-code,.streamlined-studio #run-tests{min-width:78px}
  .streamlined-studio #run-code span,.streamlined-studio #run-tests span{display:inline}
  .streamlined-studio .CodeMirror{font-size:14px;line-height:1.65}
  .streamlined-studio .terminal{padding:18px;font-size:13px;line-height:1.65}
  .streamlined-studio .terminal-tabs button{min-width:88px;min-height:48px;font-size:11px}
  .streamlined-studio .terminal-header>button{min-width:48px;min-height:44px;font-size:10px}
  .streamlined-studio .terminal-input{min-width:0;width:min(100%,320px);min-height:42px;font-size:16px}
  .streamlined-studio .test-grid{grid-template-columns:1fr}
  .streamlined-studio .test-grid-head{display:none}
  .streamlined-studio .test-grid>*{padding:7px 10px}
  .streamlined-studio .statusbar{position:relative;bottom:auto;grid-template-columns:1fr;padding:0 12px}
  .streamlined-studio .save-status{min-width:0;gap:8px;overflow:hidden}
  .streamlined-studio .save-status span:last-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .streamlined-studio .editor-status{display:none}
  .lesson-drawer{top:58px;bottom:38px;width:min(430px,94vw)}
  .drawer-backdrop{inset:58px 0 38px}
  .lesson-drawer .task-row{min-height:48px;font-size:11px}
  .drawer-search input{height:46px;font-size:16px}
}
@media(max-width:650px){
  .streamlined-studio.app-shell{grid-template-rows:54px 48px minmax(0,1fr) 34px}
  .streamlined-studio .studio-topbar{min-height:54px}
  .streamlined-studio .studio-breadcrumb{padding-left:12px}
  .streamlined-studio .studio-breadcrumb strong{font-size:10px}
  .streamlined-studio .studio-actions #focus-mode,.streamlined-studio .studio-actions #print-btn,.streamlined-studio .studio-actions .profile-button{display:none}
  .streamlined-studio .studio-actions #open-lesson-drawer{display:inline-flex;min-width:48px}
  .python-mobile-tabs,.python-mobile-tabs button{min-height:48px}
  .python-mobile-tabs button{font-size:11px}
  .instruction-panel .lesson-body{padding:20px 18px 82px}
  .instruction-panel h1{font-size:22px}
  .streamlined-studio .file-tab{max-width:34%;font-size:9px}
  .streamlined-studio .toolbar-actions{margin-left:auto}
  .streamlined-studio .toolbar-actions .btn{min-width:42px;padding:0 7px}
  .streamlined-studio #save-file span,.streamlined-studio #open-file span{display:none}
  .streamlined-studio #run-code,.streamlined-studio #run-tests{min-width:70px}
  .streamlined-studio .CodeMirror{font-size:13px}
  .streamlined-studio .terminal{padding:14px;font-size:12px}
  .lesson-drawer{top:54px;bottom:34px}
  .drawer-backdrop{inset:54px 0 34px}
  .profile-dialog{width:min(96vw,470px)}
}


/* Touch-friendly course and lesson navigation */
@media(max-width:900px){
  .portal-shell:not(.course-area-shell) .course-home{display:block}
  .portal-shell:not(.course-area-shell) .course-hero{min-height:auto;padding:40px 28px}
  .portal-shell:not(.course-area-shell) .course-hero h1{font-size:42px}
  .portal-shell:not(.course-area-shell) .course-hero>p{margin:16px 0 24px}
  .portal-shell:not(.course-area-shell) .course-list{padding:34px 28px 56px}
  .course-row{min-height:92px;padding:20px 8px}
  .course-row:hover{padding-left:8px;padding-right:8px}
  .course-tabs button{min-height:44px}
  .syllabus-row{min-height:68px}
  .lesson-finder>div{height:50px}
  .lesson-finder input,.new-profile input{font-size:16px}
  .profile-choice{min-height:56px}
  .profile-transfer-tools .btn{min-height:42px}
}
@media(max-width:620px){
  .portal-shell:not(.course-area-shell) .course-hero{padding:32px 20px}
  .portal-shell:not(.course-area-shell) .course-hero h1{font-size:36px}
  .portal-shell:not(.course-area-shell) .course-list{padding:28px 20px 50px}
  .course-row{grid-template-columns:42px minmax(0,1fr);gap:14px;min-height:88px}
  .course-icon{width:42px;height:42px}
  .selector-action{grid-column:2;font-size:11px}
  .course-area{padding:24px 16px 56px}
  .lesson-group-head{padding-inline:14px}
  .syllabus-row{min-height:64px;padding-inline:12px}
  .area-heading>.btn{min-height:46px}
  .profile-transfer-tools{grid-template-columns:1fr;padding:14px 18px}
  .profile-transfer-tools>div{display:grid;grid-template-columns:1fr 1fr}
  .profile-transfer-tools .btn{min-height:44px}
}


/* Classroom sessions */
.join-session-card{display:grid;grid-template-columns:minmax(0,1fr) minmax(290px,360px);gap:28px;align-items:center;margin:6px 0 24px;padding:22px 24px;border:1px solid #9fbcf5;border-radius:10px;background:linear-gradient(135deg,#f5f9ff,#eef5ff)}.join-session-card>div>span,.session-eyebrow{display:block;color:var(--blue);font-size:9px;font-weight:900;letter-spacing:.12em}.join-session-card h3{margin:5px 0 6px;font-size:20px}.join-session-card p{margin:0;color:var(--muted);font-size:10px;line-height:1.55}.join-session-card form>label{display:block;margin-bottom:6px;font-size:9px;font-weight:800}.join-session-card form>div{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:7px}.join-session-card input{min-width:0;height:46px;padding:0 14px;border:1px solid #9fb2ca;border-radius:7px;outline:0;background:#fff;color:var(--ink);text-transform:uppercase;letter-spacing:.16em;font:800 17px var(--mono)}.join-session-card input:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(39,107,255,.12)}.join-session-card form .btn{min-height:46px;padding-inline:18px}.join-session-card small{display:block;margin-top:6px;color:#718097;font-size:8px}

.class-session-area{max-width:1120px}.class-session-hero{display:grid;grid-template-columns:minmax(0,1fr) 270px;gap:28px;align-items:center;padding:28px 0 26px;border-bottom:1px solid var(--line)}.class-session-hero h1{margin:8px 0 10px;font-size:38px;letter-spacing:-.04em}.class-session-hero>div>p{max-width:720px;margin:0;color:#4e5d70;font-size:12px;line-height:1.65}.class-session-hero aside{display:grid;gap:8px;padding:18px;border:1px solid #c9d8ea;border-radius:9px;background:#f7faff}.class-session-hero aside>strong{font-size:13px}.class-session-hero aside>span{color:var(--muted);font-size:9px}.class-session-hero aside .btn{margin-top:5px;min-height:42px}.session-progress{display:flex;align-items:center;gap:14px;margin-top:20px;color:#65748a;font-size:9px}.session-progress>i{width:min(300px,48%);height:6px;overflow:hidden;border-radius:8px;background:#dce5f0}.session-progress b{display:block;height:100%;background:var(--blue)}.class-session-list{display:grid;gap:8px;margin-top:24px}.class-session-task{width:100%;display:grid;grid-template-columns:40px minmax(0,1fr) auto;gap:13px;align-items:center;min-height:70px;padding:10px 14px;border:1px solid var(--line);border-radius:8px;color:var(--ink);background:#fff;text-align:left}.class-session-task:hover{border-color:#9bbcff;background:#f8faff}.class-session-task.complete{border-color:#b9dcc7;background:#f8fcf9}.session-step{width:34px;height:34px;display:grid;place-items:center;border:2px solid #8ca8ca;border-radius:50%;color:var(--blue);font:800 10px var(--mono)}.class-session-task.complete .session-step{color:#fff;background:var(--green);border-color:var(--green)}.class-session-task strong,.class-session-task small{display:block}.class-session-task strong{font-size:11px}.class-session-task small{margin-top:4px;color:var(--muted);font-size:8px}.session-task-action{display:flex;align-items:center;gap:8px;color:var(--blue);font-size:9px;font-weight:800}.session-task-action .icon{width:12px}.class-session-actions{display:flex;align-items:center;gap:14px;margin-top:22px;padding-top:18px;border-top:1px solid var(--line)}.class-session-actions>span{color:var(--muted);font-size:8px}.session-empty{max-width:700px;margin:80px auto;padding:32px;text-align:center}.session-empty h1{font-size:32px}.drawer-session-actions{padding:10px 14px 16px}.drawer-session-actions .btn{width:100%}

.print-session-evidence{display:none}
@media(max-width:800px){.join-session-card{grid-template-columns:1fr}.class-session-hero{grid-template-columns:1fr}.class-session-hero h1{font-size:31px}.class-session-task{grid-template-columns:36px minmax(0,1fr) 12px}.session-task-action{font-size:0}.session-task-action .icon{display:block}.class-session-actions{align-items:flex-start;flex-direction:column}}
@media(max-width:620px){.join-session-card{padding:18px}.join-session-card input{font-size:16px}.class-session-hero{padding-top:18px}.class-session-hero h1{font-size:27px}.class-session-task{min-height:66px;padding:9px}.class-session-actions .btn{width:100%}}
@media print{
  body:has(.print-session-evidence:not(:empty)) .portal-shell>*,body:has(.print-session-evidence:not(:empty)) .app-shell,body:has(.print-session-evidence:not(:empty)) .web-app-shell,body:has(.print-session-evidence:not(:empty)) .toast,body:has(.print-session-evidence:not(:empty)) .print-evidence,body:has(.print-session-evidence:not(:empty)) .web-print-evidence{display:none!important}
  body:has(.print-session-evidence:not(:empty)) .print-session-evidence{display:block!important;color:#111;background:#fff;font-family:Arial,sans-serif}
  .print-session-evidence h1{margin:0 0 8px;font-size:22pt}.print-session-evidence>p{margin:4px 0;font-size:10pt}.session-evidence-piece{break-before:page}.session-evidence-piece:first-of-type{break-before:auto}.session-evidence-piece h2{margin:24px 0 8px;padding-bottom:6px;border-bottom:1px solid #999;font-size:14pt}.session-evidence-piece h3{margin:16px 0 6px;font-size:10pt}.session-evidence-piece h4{margin:12px 0 4px;font-size:9pt}.session-evidence-piece p,.session-evidence-piece li{font-size:9pt;line-height:1.4}.session-evidence-piece pre{padding:8px;border:1px solid #bbb;white-space:pre-wrap;overflow-wrap:anywhere;font:8.5pt/1.4 ui-monospace,monospace}
}