.phone-lab{max-width:1250px;padding-top:45px;padding-bottom:65px;scroll-margin-top:20px}.lab-top{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:30px}.lab-top h2{font-size:clamp(31px,3.3vw,48px);margin:10px 0}.lab-top p{font-size:18px;margin:0}.phone-selector label{font-size:16px;display:block;margin-bottom:9px}.phone-selector select{font:inherit;font-size:18px;border:1px solid #9db6c2;border-radius:12px;background:#314c5d;color:white;padding:14px;min-width:220px}.lab-search{display:flex;gap:12px;align-items:center;border:1px solid #8ba5b1;background:#314c5d;border-radius:15px;padding:12px 18px;margin:25px 0}.lab-search span{font-size:29px}.lab-search input{background:transparent;border:0!important;outline:0;color:#fff;font:inherit;font-size:20px;width:100%;padding:8px!important}.lab-search input::placeholder{color:#d0dce2}.lab-search:focus-within{outline:3px solid #a4e9e2;outline-offset:3px}.lab-layout{display:grid;grid-template-columns:230px 360px minmax(240px,1fr);gap:30px;align-items:start}.lesson-list{min-width:0}.lesson-list>p{font-size:13px;margin:0 0 12px;letter-spacing:.03em}.lesson-choice{display:flex;align-items:center;gap:10px;background:transparent;color:#eef4f7;border:1px solid #617d8e;border-radius:12px;width:100%;padding:16px 12px;margin-bottom:8px;text-align:left;font:inherit;font-size:16px;cursor:pointer}.lesson-choice .lesson-number{color:#a4e9e2;font-size:12px;font-weight:700}.lesson-choice b{margin-left:auto;font-weight:400}.lesson-choice.selected{background:#f5accc;color:#30212b;border-color:#f5accc}.lesson-choice.selected .lesson-number{color:#4a3142}.lesson-choice:hover{border-color:#f5accc}.phone-column{text-align:center;min-width:0}.practice-label{display:inline-block;padding:6px 12px;color:#a4e9e2;background:#233e4d;border:1px solid #648c94;border-radius:30px;font-size:11px;letter-spacing:1px;margin:0 0 14px;font-weight:700}#phone-scope{font-size:12px;line-height:1.5;max-width:330px;margin:15px auto;color:#c6d8e2}.lab-instruction{background:#304c5d;border:1px solid #6c8999;border-radius:20px;padding:26px;position:sticky;top:25px}.lab-instruction h3{font-size:25px;letter-spacing:-.03em;line-height:1.2;margin:0 0 14px}.lab-instruction #step-count{color:#a4e9e2;font-size:14px}.lab-instruction progress{width:100%;height:5px;accent-color:#a4e9e2;margin:14px 0 26px;border:0}.lab-instruction progress::-webkit-progress-bar{background:#587181;border-radius:20px}.lab-instruction progress::-webkit-progress-value{background:#a4e9e2;border-radius:20px}.step-kicker{font-size:10px;letter-spacing:1px;color:#a4e9e2}.lab-instruction h4{font-size:27px;line-height:1.2;letter-spacing:-.03em;margin:13px 0 18px}.lab-instruction #instruction p{font-size:19px;line-height:1.6;color:#eef4f7}.lab-instruction .button{font-size:15px;padding:12px 16px;width:100%;margin:8px 0}.lab-instruction .text-button{font-size:15px;margin:12px 0}.lab-instruction details{border-top:1px solid #6d8795;margin-top:18px;padding-top:18px}.lab-instruction summary{font-size:16px;cursor:pointer}.lab-instruction details p{font-size:15px;line-height:1.6}.lab-instruction #practice-feedback{font-size:15px;min-height:24px;line-height:1.5;color:#a4e9e2}.lab-instruction #practice-feedback.is-error{color:#ffc9df}.complete-icon{display:grid;place-items:center;width:55px;height:55px;background:#a4e9e2;color:#183b3c;border-radius:50%;font-size:30px}.screen-references{margin-top:35px;border-top:1px solid #65818f;padding:20px 0}.screen-references summary{font-size:17px;cursor:pointer}.reference-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin:25px 0}.reference-grid figure{margin:0;background:#314c5d;border-radius:15px;padding:16px}.reference-grid img{height:210px;object-fit:contain;width:100%;background:#fff;border-radius:8px}.reference-grid figcaption{font-size:13px;line-height:1.6;margin-top:12px}.reference-grid a{display:block;margin-top:8px}.screen-references>.micro{max-width:850px}.hardware-tip{font-size:13px;margin-top:13px}.hardware-tip button{background:#a4e9e2;border:0;color:#173b3c;font:inherit;border-radius:20px;padding:12px 20px;cursor:pointer}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
/* Recreated OS screens: scoped so they never style the host site. */
.practice-phone{width:326px;height:662px;margin:auto;border:7px solid #101217;border-radius:44px;background:#101217;box-shadow:0 0 0 2px #879098,0 22px 55px #09182165;position:relative;text-align:left;font-family:Arial,'Segoe UI',sans-serif;color:#202124;isolation:isolate}.phone-display{height:100%;overflow:hidden;position:relative;background:#f7f8fb;border-radius:36px}.phone-hardware{position:absolute;z-index:10;top:11px;left:calc(50% - 6px);width:12px;height:12px;border-radius:50%;background:#07080b;box-shadow:inset 0 0 3px #2b3e54}.iphone .phone-hardware{width:88px;height:24px;left:calc(50% - 44px);top:9px;border-radius:20px}.status-bar{height:43px;display:flex;align-items:center;justify-content:space-between;font-size:12px;font-weight:600;padding:6px 23px 0;position:relative;z-index:5;background:transparent;color:inherit}.phone-content{height:calc(100% - 65px);overflow:auto;scrollbar-width:none;position:relative}.phone-content::-webkit-scrollbar{display:none}.phone-home{position:absolute;bottom:0;left:0;width:100%;height:23px;border:0;background:transparent;z-index:9;cursor:pointer;display:grid;place-items:center;padding:0}.phone-home span{display:block;height:4px;border-radius:10px;width:100px;background:#15171a}.dark-screen .phone-home span,.at-home .phone-home span{background:#fff}.practice-phone button{font-family:inherit;cursor:pointer;-webkit-tap-highlight-color:transparent;line-height:1.3;box-shadow:none}.practice-phone button:focus-visible,.practice-phone input:focus-visible{outline:3px solid #ed639f;outline-offset:2px}.practice-phone .status-bar span{color:inherit}.practice-phone p{color:inherit;font-size:14px;line-height:1.5}.practice-phone h4{font-size:26px;line-height:1.15;font-weight:600;letter-spacing:-.7px;color:inherit;margin:0}.practice-phone h5{font-size:17px;letter-spacing:-.2px;margin:22px 0 13px;color:inherit}.home-wallpaper{height:100%;position:relative;background:radial-gradient(ellipse at 80% 25%,#f6c9be 0 15%,transparent 50%),radial-gradient(ellipse at 10% 90%,#8065a3 0 20%,transparent 65%),linear-gradient(135deg,#b8bfd6,#bfa1ba 40%,#576887);padding:10px 15px;color:#24243c;overflow:hidden}.at-home{background:#b6b9d0;color:#25253b}.home-clock{font-size:72px;line-height:.92;letter-spacing:-4px;font-weight:400;text-align:center;padding-top:13px}.home-date{text-align:center;font-size:12px!important;margin:12px 0 20px}.iphone .home-clock{font-size:65px;font-weight:600;letter-spacing:-3px;padding-top:22px}.iphone .home-date{margin-top:6px}.app-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px 5px;margin-top:30px}.app-tile{display:flex;flex-direction:column;align-items:center;gap:6px;border:0;background:none;padding:0;color:inherit;min-width:0;font-size:10px}.app-tile>span:last-child{font-size:10px}.app-icon{width:48px;height:48px;border-radius:14px;display:inline-grid;place-items:center;font-size:33px;position:relative;overflow:hidden;flex:none;line-height:1;color:white;background:#607da5;box-shadow:0 2px 5px #16233b18}.android .app-icon{border-radius:50%}.app-icon.settings{background:linear-gradient(145deg,#aab1ba,#747d89);color:#f7f8fa;font-size:42px}.app-icon.store{background:white}.android .app-icon.store:before{content:'';width:28px;height:32px;background:conic-gradient(from 0deg at 0% 50%,#3bccff 0 30%,#41c87a 30% 40%,#f9ca42 40% 65%,#f55760 65% 77%,#3bccff 77%);clip-path:polygon(0 0,100% 50%,0 100%)}.iphone .app-icon.store{background:linear-gradient(#29c4ff,#0373f4);border-radius:12px}.iphone .app-icon.store:before{content:'A';font-size:39px;font-weight:500;color:white;line-height:1;transform:scaleX(.9)}.app-icon.maps{background:#fff}.app-icon.maps:before{content:'';width:25px;height:36px;background:conic-gradient(#4285f4 0 30%,#34a853 30% 50%,#fbbc04 50% 68%,#ea4335 68% 78%,#4285f4 78%);clip-path:polygon(50% 100%,12% 46%,8% 25%,20% 6%,50% 0,81% 6%,92% 25%,88% 46%)}.app-icon.maps:after{content:'';position:absolute;top:11px;left:19px;width:10px;height:10px;background:white;border-radius:50%}.app-icon.photos{color:#f4a800;background:white;font-size:44px}.app-icon.camera{background:#c9ccd1;color:#343a44}.app-icon.phone{background:#39c762;font-size:29px}.app-icon.messages{background:#43d56f;color:white}.app-icon.safari{background:#f6faff;color:#1f9ce9}.home-dock{display:flex;justify-content:space-around;gap:9px;position:absolute;bottom:22px;left:13px;right:13px;padding:12px 6px;background:#e7dfed55;border-radius:26px;backdrop-filter:blur(15px)}.dock-app{border:0;background:transparent;padding:0}.gesture-help{background:#243446e8;color:#fff;border:1px solid #ffffff60;border-radius:20px;font-size:11px;padding:9px 12px;z-index:7}.top-help{position:absolute;top:44px;right:14px;max-width:190px}.bottom-help{position:absolute;bottom:115px;left:40px;right:40px}.side-buttons{position:absolute;right:-11px;top:130px;display:flex;flex-direction:column;gap:17px}.physical-volume{height:55px;width:7px;background:#a0a6ae;border:0;border-radius:2px;padding:0}.side-buttons>i{height:35px;width:6px;background:#6e7783;border-radius:2px}.iphone .side-buttons{right:auto;left:-11px}.target-ring{outline:3px solid #ef659d!important;outline-offset:2px;box-shadow:0 0 0 6px #f5accc44!important}.dark-screen{color:#f6f1ff}.dark-screen .phone-display{background:#08090b}.quick-settings{padding:9px 13px 15px;min-height:100%;background:#08090b;color:#f4f0fa}.quick-clock{font-size:33px;line-height:1.2;margin:5px 0 20px}.quick-clock small{display:block;font-size:13px;margin-top:5px}.quick-tiles{display:grid;grid-template-columns:1fr 1fr;gap:8px}.quick-tile{display:flex;align-items:center;gap:10px;background:#303036;color:#f4effa;border:0;border-radius:23px;padding:15px 12px;font-size:19px;min-height:70px;text-align:left}.quick-tile.active{background:#e9ddff;color:#221b35}.quick-tile span{font-size:12px;font-weight:500}.quick-tile small{display:block;font-size:11px;margin-top:4px}.quick-footer{display:flex;align-items:center;justify-content:end;gap:12px;margin-top:55px;color:#e9ddff}.quick-footer button{color:inherit;background:#303036;border:0;border-radius:50%;width:33px;height:33px;font-size:20px}.no-alerts{text-align:center;margin-top:80px}.quick-settings>.gesture-help{margin:20px auto;display:block}.os-slider{position:relative;margin:10px 0 20px;color:inherit}.os-slider label{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.os-slider input{width:100%;padding:0!important;background:transparent!important;accent-color:#d8c6f7;cursor:pointer;height:38px;margin:0;border:0!important}.os-slider input[type=range]::-webkit-slider-runnable-track{height:30px;border-radius:25px;background:linear-gradient(to right,#e9ddff var(--level,35%),#38323f var(--level,35%))}.os-slider input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:6px;height:30px;box-shadow:0 0 0 2px #08090b;border:0;border-radius:4px;background:#e9ddff}.os-slider>span{position:absolute;left:17px;top:9px;font-size:20px;pointer-events:none;color:#34294b}.control-centre{padding:12px 19px;background:radial-gradient(ellipse at 20% 20%,#433846,#192c35);min-height:100%;color:white}.control-top{display:flex;justify-content:space-between;align-items:center;font-size:23px;margin:9px 0 27px}.control-top>span{font-size:12px}.control-grid{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:58px;gap:10px}.connectivity,.music-card{grid-column:span 2;grid-row:span 2;border:1px solid #b9cad333;background:#aab8c122;border-radius:25px;backdrop-filter:blur(10px)}.connectivity{display:grid;grid-template-columns:1fr 1fr;padding:13px;gap:7px}.connectivity span{display:grid;place-items:center;border-radius:50%;background:#238ad0;font-size:22px}.connectivity span:first-child{background:#6a6a6a}.music-card{display:flex;flex-direction:column;justify-content:center;text-align:center;font-size:22px;gap:20px}.music-card small{font-size:12px}.control-round{border-radius:50%;background:#c7ced333;display:grid;place-items:center;border:1px solid #cdd8dd44;font-size:26px}.control-grid .vertical{grid-row:span 3;height:194px;margin:0;border:1px solid #e4edf522;border-radius:28px;background:#ffffff25;overflow:hidden;display:flex;justify-content:center;align-items:center;grid-column:3}.control-grid .vertical:nth-of-type(6){grid-column:4}.vertical input{appearance:none;-webkit-appearance:none;writing-mode:vertical-lr;direction:rtl;width:100%;height:100%;border-radius:25px;accent-color:white;touch-action:none}.vertical input[type=range]::-webkit-slider-runnable-track{height:100%;width:100%;border-radius:25px;background:linear-gradient(to top,#f7f6f8 var(--level,35%),#ffffff10 var(--level,35%))}.vertical input[type=range]::-webkit-slider-thumb{height:5px;width:100%;background:#e5e5e8;border:0;box-shadow:none}.vertical>span{left:0;right:0;text-align:center;top:auto;bottom:22px;color:#5c636b;font-size:27px}.focus-card{grid-column:span 2;grid-row:span 2;border-radius:25px;background:#a6bbc32e;display:flex;align-items:center;padding:10px;font-size:17px}.volume-pop{position:absolute;right:12px;top:100px;width:58px;height:220px;background:#e2d7f2;border-radius:30px;padding:9px}.volume-pop .vertical{height:200px;margin:0}.volume-pop .vertical input{width:40px}.os-heading{padding:5px 0 20px}.os-back{padding:8px 0;background:none;border:0;color:#1872d7;font-size:13px;margin-bottom:15px}.settings-content{padding:8px 15px;min-height:100%;color:#202124;background:#f8f9fc}.iphone .settings-content{background:#f2f2f7}.settings-search{background:#e7e9ed;padding:10px 12px;border-radius:20px;font-size:12px;color:#656971;margin-bottom:20px}.os-row{display:flex;align-items:center;gap:12px;width:100%;padding:17px 8px;text-align:left;color:#202124;background:transparent;border:0;border-bottom:1px solid #dfe3ea;font-size:14px;min-height:62px}.iphone .os-row{background:#fff}.row-icon{width:21px;color:#69768b;font-size:19px}.os-row>span:nth-child(2){flex:1}.os-row small{font-size:11px;color:#65717b;display:block;margin-top:5px}.os-row b{font-size:19px;font-weight:400;color:#8a929b}.os-switch-row{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:20px 5px;border-bottom:1px solid #d7dce5;font-size:14px}.switch-button{padding:0;background:transparent;border:0;flex:none}.os-switch{display:block;width:44px;height:27px;border-radius:20px;background:#d6d8de;padding:3px}.os-switch i{display:block;width:21px;height:21px;border-radius:50%;background:white;box-shadow:0 1px 4px #0002}.os-switch.on{background:#5c6c9b}.iphone .os-switch.on{background:#34c759}.os-switch.on i{margin-left:17px}.os-explain{font-size:12px!important;line-height:1.6!important;color:#68717d!important;margin:18px 5px}.settings-content input[type=text]{font:inherit;font-size:15px;width:100%;background:#fff!important;color:#202124!important;border:1px solid #a2abba!important;border-radius:8px;padding:13px!important;margin-top:15px}.settings-content form label{font-size:15px}.battery-visual{border:4px solid #50864b;border-radius:10px;background:#c4e7a4;width:170px;padding:18px;font-size:37px;margin:20px auto;text-align:center}.font-preview{padding:25px 12px;font-size:22px;line-height:1.5;border:1px solid #dde0e7;border-radius:15px;background:white}.app-info-title{text-align:center;margin:10px 0 25px}.app-info-title h4{font-size:23px;margin-top:12px}.app-info-actions{display:flex;justify-content:space-between;border-block:1px solid #d3dbe5;padding:17px 0}.app-info-actions button{font-size:13px;color:#415686;background:none;border:0;padding:6px}.store-content{padding:14px 18px 65px;background:#fff;min-height:100%;color:#202124}.store-title{display:flex;justify-content:space-between;align-items:center;margin:7px 0 22px}.store-title h4{font-size:28px}.android .store-title h4{font-size:24px}.avatar{display:grid;place-items:center;background:#d6e9f7;color:#344a75;width:30px;height:30px;border-radius:50%;font-size:13px}.store-feature{background:linear-gradient(150deg,#b4daec,#c6bde9);border-radius:20px;padding:20px;height:238px;overflow:hidden;color:#293454}.store-feature small{font-size:9px;letter-spacing:1px}.store-feature strong{display:block;font-size:29px;line-height:1.1;letter-spacing:-1px;margin-top:16px}.feature-shapes{font-size:90px;white-space:nowrap;line-height:1.5;color:#637da1}.fake-app-row{display:flex;gap:20px}.store-footnote{font-size:10px!important;color:#697784!important}.store-tabs{position:absolute;bottom:0;left:0;right:0;background:#f7f8fbdc;backdrop-filter:blur(10px);border-top:1px solid #cdd2da;display:flex;justify-content:space-around;gap:2px;padding:8px 4px 4px;z-index:6}.store-tabs button{border:0;background:none;font-size:19px;color:#5c6572;display:flex;flex-direction:column;align-items:center;gap:3px;min-width:48px;padding:4px}.store-tabs span{font-size:9px}.store-tabs .selected{color:#116ad2}.phone-search-form{display:flex;gap:5px;margin:16px 0 25px}.phone-search-form input{width:100%;min-width:0;background:#edf0f7!important;color:#222c38!important;padding:12px 10px!important;border:0!important;border-radius:12px;font:inherit;font-size:12px}.phone-search-form button{font-size:12px;border:0;color:#1368c7;background:transparent;padding:3px}.search-query{background:#edf0f7;padding:13px;border-radius:20px;font-size:14px;margin-bottom:23px}.store-result{display:flex;align-items:center;gap:10px;text-align:left;border:0;background:transparent;padding:10px 0;width:100%;color:#202124}.store-result>span:nth-child(2){flex:1;font-size:13px}.store-result b{font-weight:600}.store-result small{display:block;font-size:10px;color:#5d6670;line-height:1.5;margin-top:5px}.store-pill{border-radius:20px;background:#edf1f8;color:#086ad3;font-size:12px;padding:8px 10px}.app-detail-head{display:flex;gap:15px;align-items:center;margin:18px 0}.app-detail-head .app-icon{width:65px;height:65px}.app-detail-head h4{font-size:23px}.app-detail-head p{font-size:12px;color:#18824b;margin:7px 0}.install-button{font:inherit;font-size:15px;padding:11px 22px;border:0;border-radius:25px;color:#fff;background:#096e3c;display:block;width:100%;margin:18px 0}.iphone .install-button{background:#0875e6}.store-metadata{display:flex;justify-content:space-between;gap:10px;font-size:10px;color:#65717b;margin:17px 0}.map-preview{height:190px;position:relative;overflow:hidden;background:#e5ebd9;border:1px solid #d1dccb;border-radius:13px}.map-preview>span{position:relative;z-index:2;display:block;background:#fff9;padding:12px;font-size:12px}.map-road{display:block;height:15px;background:white;box-shadow:0 0 0 1px #ccd2cb;width:160%;position:absolute;left:-20%;top:40%;transform:rotate(35deg)}.map-road.r2{transform:rotate(-35deg);top:65%}.map-road.r3{transform:rotate(80deg);top:30%}.map-preview>b{position:absolute;top:52%;left:55%;color:#2883e0;font-size:27px}.app-search-screen{padding:20px 15px;background:#eef0f6;min-height:100%}.app-search-screen .app-tile{align-items:start;margin:20px 0;color:#202124}.app-search-screen>p{font-size:12px}.os-modal{position:absolute;z-index:8;top:40%;left:20px;right:20px;transform:translateY(-25%);padding:20px 15px;border:1px solid #ddd;border-radius:22px;background:#f6f7fbee;backdrop-filter:blur(20px);color:#202124;text-align:center;box-shadow:0 15px 55px #0d142752}.os-modal h4{font-size:19px;margin-bottom:15px}.os-modal p{font-size:12px;margin:13px 0}.os-modal>button{display:block;width:100%;border:0;border-top:1px solid #cbd0db;background:transparent;color:#1874d7;padding:14px 5px;font-size:15px}.os-modal>button.danger{color:#ca2b39}.os-modal small{font-size:10px}.menu-modal{top:260px;left:75px;transform:none;padding:5px 15px}.menu-modal>button{border:0}.modal-background{filter:blur(3px);height:100%;opacity:.5}.confirm-app{display:flex;align-items:center;gap:14px;font-size:15px}.os-modal .install-button{background:#0875e6!important;color:white;border:0;margin:16px 0 10px;border-radius:15px}.map-app{height:100%;position:relative;background:#e2ebd7;overflow:hidden}.map-search{position:relative;z-index:2;margin:15px;padding:15px;background:white;border-radius:30px;color:#5a6470;font-size:13px;box-shadow:0 2px 4px #0002}.map-water{position:absolute;width:130px;height:500px;background:#b4d8f2;right:-30px;transform:rotate(30deg)}.map-dot{position:absolute;top:48%;left:46%;background:#fff;border-radius:50%;color:#267edc;box-shadow:0 0 0 12px #267edc25;font-size:25px;padding:2px}.map-bottom{position:absolute;bottom:0;left:0;right:0;background:white;padding:24px 12px;text-align:center;color:#4e6472;font-size:13px}.screenshot-thumb{position:absolute;bottom:18px;left:12px;width:84px;height:148px;background:#f3f3f5;border:3px solid white;box-shadow:0 4px 20px #0004;border-radius:12px;padding:4px;overflow:hidden}.mini-home{height:100px;display:grid;place-items:center;background:linear-gradient(130deg,#b8bfd6,#be9fbd);font-size:26px;color:#fff}.screenshot-thumb small{font-size:9px;color:#384355}.screenshot-view{height:100%;position:relative;background:#15181c;padding:5px 18px;color:#fff;overflow:hidden}.screenshot-view>.home-wallpaper{height:440px;border-radius:15px;pointer-events:none;transform:scale(.92);transform-origin:top center}.screenshot-view>p{position:absolute;bottom:5px;left:20px;right:20px;font-size:11px;text-align:center}.screenshot-view>.os-back{color:#fff;position:relative;z-index:8}.screen-dimmer,#screen-dimmer{position:absolute;inset:43px 0 23px;pointer-events:none;background:#000;opacity:0;z-index:7}.phone-content{touch-action:pan-x}.phone-content input{touch-action:auto}.practice-phone [hidden]{display:none!important}
@media(max-width:1120px){.lab-layout{grid-template-columns:190px 330px minmax(220px,1fr);gap:20px}.lab-instruction{padding:20px}.lab-instruction h4{font-size:25px}.lesson-choice{font-size:14px;padding:15px 10px}}@media(max-width:920px){.lab-layout{grid-template-columns:1fr 1fr;gap:25px}.lesson-list{grid-column:1/-1}#task-buttons{display:grid;grid-template-columns:repeat(5,1fr);gap:8px}.lesson-choice{height:85px;display:flex;flex-direction:column;gap:5px;align-items:start;margin:0}.lesson-choice b{display:none}.phone-column{grid-column:1}.lab-instruction{grid-column:2;top:10px}.lab-top{align-items:start}.lab-top p{font-size:16px}.reference-grid{gap:10px}.reference-grid img{height:170px}}@media(max-width:650px){.phone-lab{padding-top:30px}.lab-top{display:block}.phone-selector{margin-top:24px}.phone-selector select{width:100%}.lab-layout{display:flex;flex-direction:column;gap:24px}.lesson-list{width:100%}#task-buttons{grid-template-columns:repeat(2,1fr)}.lesson-choice{height:auto;min-height:62px;flex-direction:row;align-items:center;padding:13px 10px;font-size:14px}.lesson-choice .lesson-number{font-size:11px}.lab-search input{font-size:17px}.phone-column{order:3;width:100%}.lab-instruction{order:2;position:static;width:100%;padding:21px}.lab-instruction h4{font-size:25px;margin-bottom:10px}.lab-instruction #instruction p{font-size:18px}.lab-instruction .button{width:auto;margin-right:8px}.lab-instruction details{margin-top:12px;padding-top:12px}.lab-instruction progress{margin:12px 0 17px}.lab-instruction #practice-feedback:empty{display:none}.lab-instruction #instruction:has(.complete-icon){min-height:0}.reference-grid{grid-template-columns:1fr}.reference-grid img{height:230px}.practice-phone{width:312px;height:637px}.practice-label{margin-bottom:12px}.lab-top h2{font-size:34px}.lab-instruction #guide-title{font-size:21px;margin-bottom:10px}}

.practice-phone .app-icon.maps{background:#fff url(/assets/maps-icon.webp) center/contain no-repeat}.practice-phone .app-icon.maps:before,.practice-phone .app-icon.maps:after{display:none}

.mobile-step{display:none}@media(max-width:650px){.mobile-step{display:block;position:sticky;top:0;z-index:25;padding:13px 16px;margin:0 -8px 22px;background:#243e50f5;border:1px solid #7a9cae;border-radius:12px;box-shadow:0 8px 24px #10253533;backdrop-filter:blur(15px)}.mobile-step b{font-size:16px;display:block;color:#a4e9e2;margin-bottom:5px}.mobile-step span{display:block;font-size:15px;line-height:1.45;color:#fff}}