/* Mobile workspace: frequent actions stay visible; optional detail opens in place. */
.mobile-brand,.mobile-nav{display:none}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.settings-form{display:grid;gap:18px}.settings-form .toggle-label{margin:0}
@media(max-width:700px){
 :root{--radius:16px}
 html{scroll-padding-top:72px;scroll-padding-bottom:140px}
 input,select,textarea{font-size:16px;min-height:46px}
 .btn{font-size:14px;min-height:46px}.btn.primary{min-height:50px}.btn.small-btn{min-height:44px;font-size:13px}
 .icon-btn{min-width:44px;width:44px;height:44px}
 .layout{display:block;min-height:100dvh}.workspace{width:100%}
 .sidebar,.mobile-toggle,.drawer-backdrop,.top-context{display:none!important}
 .topbar{height:60px;padding:0 16px;gap:10px;background:var(--paper);border-bottom:1px solid var(--line)}
 .mobile-brand{display:block;font-size:17px;letter-spacing:-.5px;font-weight:600;flex-shrink:0}
 .profile-tools{gap:4px;min-width:0;flex:1;justify-content:flex-end}.profile-tools .avatar{display:none}.profile-tools .icon-btn{display:inline-flex;width:38px;min-width:38px;height:44px;background:transparent;border:0}
 .profile-select{font-size:16px;max-width:190px;min-width:0;min-height:44px;padding:8px 20px 8px 5px;text-overflow:ellipsis}
 .main{padding:20px 16px calc(96px + env(safe-area-inset-bottom));max-width:650px}
 .mobile-nav{position:fixed;bottom:0;left:0;right:0;z-index:25;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));padding:7px 6px calc(7px + env(safe-area-inset-bottom));border-top:1px solid #d7e0d6;background:#fafbf8}
 .mobile-nav button{border:0;background:transparent;border-radius:10px;min-height:52px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;color:#6c7c72;font-size:11px;font-weight:500;padding:4px 0}
 .mobile-nav button[aria-current=page]{color:var(--forest);background:#e5eddf}.mobile-nav button svg{width:21px;height:21px}
 .mobile-page-head{margin:0 0 20px}.mobile-page-head h1{font-size:27px;line-height:1.2;letter-spacing:-.7px}.mobile-page-head p{margin-top:8px;font-size:14px;color:var(--muted)}
 .home-heading{display:flex;align-items:center;gap:12px;justify-content:space-between;margin-bottom:12px}.home-heading h1{font-size:25px}
 .reference-link{display:flex;gap:6px;align-items:center;background:none;border:0;padding:6px 0;min-height:44px;font-size:12px;color:#556d5c}
 .level-section{margin:0 0 15px}.section-caption{display:flex;justify-content:space-between;align-items:center;gap:10px;font-size:13px;color:#4f6757}
 .section-caption .text-link{display:flex;align-items:center;gap:5px;min-height:36px;font-size:12px;text-decoration:none}
 .level-strip{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:7px;margin-top:8px}
 .level-strip button{border:1px solid #cfdacb;background:#fff;border-radius:10px;height:48px;font-size:20px;line-height:1}
 .level-strip button.selected{background:var(--forest);border-color:var(--forest);color:white;box-shadow:0 3px 8px #183d3817}
 .level-description{font-size:13px;line-height:1.5;color:#697d6b;margin-top:10px}
 .mobile-start{padding:18px}.lesson-form-title{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:0 0 14px}
 .lesson-form-title h2{font-size:18px;letter-spacing:-.3px}.lesson-form-title .text-link{font-size:12px;color:var(--muted);min-height:30px}
 .mobile-start>label{font-size:13px}.mobile-start label select{margin-top:7px;min-height:46px}
 .count-field{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:17px;font-size:13px;color:#5d7066}
 .count-field .option-count{margin:0;gap:5px}.count-field .option-count button{min-width:43px;height:43px;font-size:15px}
 .lesson-options{margin:12px 0 15px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
 .lesson-options summary,.practice-controls summary{list-style:none;display:flex;align-items:center;gap:9px;min-height:50px;cursor:pointer;font-size:13px;color:#4f6858;padding:11px 0}
 .lesson-options summary::-webkit-details-marker,.practice-controls summary::-webkit-details-marker{display:none}
 .lesson-options summary:after,.practice-controls summary:after{content:'⌄';margin-left:auto;font-size:18px;line-height:1;align-self:center}
 .lesson-options[open]>summary:after,.practice-controls[open]>summary:after{content:'⌃'}
 .lesson-options summary small{display:block;font-size:11px;color:var(--muted);line-height:1.5;margin-top:3px}
 .lesson-options .settings-form{padding:10px 0 18px}.settings-form label{font-size:13px;line-height:1.5}.settings-form .toggle-label{font-size:14px;align-items:flex-start;gap:10px}
 .toggle-label input{flex-shrink:0;margin:2px 0 0;width:18px;height:18px;min-height:18px}
 .home-progress{display:grid;grid-template-columns:1.2fr 1fr;gap:10px;margin-top:15px}
 .home-progress>button{display:flex;flex-direction:column;align-items:flex-start;text-align:left;gap:9px;position:relative;border:1px solid var(--line);border-radius:14px;background:#e9efe4;padding:16px 13px;min-width:0}
 .home-progress>button:last-child{background:#f1eef6}.home-progress>button:disabled{opacity:1;color:#89928d;background:#f0f2ed}
 .home-progress>button>span{display:flex;gap:6px;align-items:center;font-size:12px}.home-progress strong{font-size:23px;font-weight:500;letter-spacing:-.5px}.home-progress small{font-size:11px;color:var(--muted);line-height:1.4}
 .home-progress .progress-line{width:100%;margin-top:3px;height:4px}.home-progress>button>svg{position:absolute;right:14px;bottom:15px}
 .mobile-resume{padding:13px 14px;background:#f7f1de;border:1px solid #e6dcc1;display:flex;justify-content:space-between;align-items:center;gap:10px;border-radius:12px;margin-bottom:20px}
 .mobile-resume span{font-size:14px}.mobile-resume small{display:block;font-size:12px;color:#837753;margin-top:5px}.mobile-resume .btn{padding:8px 10px;white-space:nowrap}
 .practice-head{display:flex;align-items:center;justify-content:space-between;margin:0 0 18px}.practice-counter{display:flex;gap:7px;align-items:center;background:#e7eee1;border-radius:8px;font-size:13px;padding:8px 10px}
 .practice-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:6px;margin-bottom:16px}
 .practice-grid button{grid-column:span 2;min-height:44px;border:1px solid #d5dfd0;border-radius:9px;background:#fff;font-size:13px;padding:8px 3px}
 .practice-grid button:nth-last-child(-n+2){grid-column:span 3}.practice-grid button.selected{background:var(--forest);border-color:var(--forest);color:#fff}
 .practice-controls{border:1px solid var(--line);border-radius:12px;background:#edf1e9;padding:0 14px;margin-bottom:18px}
 .practice-controls summary{min-height:45px;padding:9px 0}.practice-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;padding:2px 0 12px}
 .practice-fields label{font-size:12px;min-width:0}.practice-fields select{font-size:16px;padding:10px;min-height:45px}
 .practice-fields input[type=range]{padding:0;min-height:45px;margin-top:7px;accent-color:#5a7b4d;background:none;border:0}
 .practice-controls .toggle-label{margin:0;padding:3px 0 15px;font-size:13px;line-height:1.4}
 .drill-card{min-height:0;padding:23px 17px;box-shadow:none}.drill-card>.eyebrow{display:none}.drill-card h2{font-size:22px;letter-spacing:-.45px;line-height:1.4}
 .drill-card .sound-surface{margin:20px 0}.sound-surface{padding:13px;gap:11px;align-items:center}.sound-surface .play-round{width:48px;height:48px}.sound-surface .wave-bars{display:none}
 .sound-surface>div:not(.wave-bars){flex:1;min-width:0}.sound-surface h3{font-size:14px;margin-bottom:0}.sound-surface p{font-size:12px;line-height:1.5;margin-top:4px}
 .sound-surface:not(.playing) button[data-action=stop-audio]{display:none}.sound-surface button[data-action=stop-audio]{background:transparent;border:0}
 .options-grid{gap:9px;margin-top:18px}.answer-option{min-height:52px;font-size:14px;line-height:1.4;padding:12px 9px;overflow-wrap:anywhere}
 .feedback{font-size:14px;padding:13px;margin-top:18px}.drill-card .btn.next{width:100%;margin-top:16px}
 .piano-disclosure{margin-top:20px}.piano-disclosure summary{font-size:13px;min-height:36px;line-height:1.5}
 #dialog{width:100%;max-width:100%;max-height:calc(100dvh - 24px);margin:auto 0 0;border-radius:23px 23px 0 0;padding:27px 23px calc(25px + env(safe-area-inset-bottom));overflow:auto}
 #dialog .topic-list{display:flex;flex-wrap:wrap;gap:7px}#dialog h2{font-size:24px;padding-right:36px}.modal-close{width:44px;height:44px;top:14px;right:14px}.settings-form>label{font-size:14px}#dialog::backdrop{background:#17372d66}
 .focus-lesson .topbar,.focus-lesson .mobile-nav{display:none}.focus-lesson .main{padding:0 16px calc(150px + env(safe-area-inset-bottom));max-width:650px}
 .focus-bar{display:flex;align-items:center;justify-content:space-between;gap:8px;position:sticky;top:0;z-index:10;margin:0 -16px 10px;padding:8px 12px;background:var(--paper);border-bottom:1px solid var(--line);min-height:61px}
 .focus-bar .btn{padding:8px 6px}.focus-bar>span{font-size:14px;color:#5d735f;font-variant-numeric:tabular-nums}
 .mobile-task-toolbar{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px;position:sticky;top:61px;z-index:9;background:var(--paper);padding:7px 0;margin-top:-7px}.mobile-task-toolbar>span{font-size:12px;color:var(--muted)}
 .mobile-task-toolbar .btn{font-size:12px}.timer-control{display:flex;align-items:center;gap:2px}.timer-control .btn{padding:8px}.timer-control .timer{font-size:15px}
 .focus-lesson .session-track{margin-bottom:17px;max-width:none;flex-wrap:nowrap;gap:4px}.focus-lesson .session-track span{flex:1;width:auto;height:4px}
 .session-card{border-radius:16px;box-shadow:none}.question-body{padding:23px 20px}.question-body h2{font-size:24px;line-height:1.43;letter-spacing:-.45px;overflow-wrap:break-word;hyphens:auto}
 .question-meta{font-size:12px;color:#71836c;margin-bottom:17px;gap:9px}.question-meta>span+span{border-left:1px solid #d7e0d1;padding-left:9px}
 .piece-hint{font-size:13px;line-height:1.5;align-items:flex-start}.question-body .teacher-note{font-size:13px;padding:13px;background:#f3f5ee}.teacher-note .eyebrow{font-size:9px;letter-spacing:1.2px}
 .score-surface{padding:7px;margin-top:20px;border-radius:10px}.full-score{overflow:visible}.full-score>svg{min-width:0}.score-surface svg{max-height:230px}.full-score svg{max-height:none}
 .interval-examples{grid-template-columns:1fr;gap:9px}.interval-examples .eyebrow{margin-left:10px}.interval-examples svg{max-height:135px}
 .answer-block{padding:22px 20px;scroll-margin-top:120px}.answer-block p,.answer-block>div[lang=de]{font-size:16px;line-height:1.6}.answer-block .eyebrow{font-size:10px;line-height:1.5;letter-spacing:1px}.answer-example p{font-size:15px}.answer-block .teacher-note{font-size:13px;padding:13px}
 .assessment{padding:20px 12px}.assessment .eyebrow{font-size:10px;letter-spacing:1px}.grade-row{gap:5px}.grade{font-size:12px;padding:11px 2px;min-height:64px;line-height:1.4;flex-direction:column;gap:6px}.grade svg{width:18px;height:18px}
 .focus-footer{position:fixed;z-index:15;bottom:0;left:0;right:0;padding:12px 16px calc(6px + env(safe-area-inset-bottom));border-top:1px solid var(--line);background:#fafbf8}
 .focus-primary{display:flex;gap:9px;max-width:618px;margin:auto}.focus-primary .back-control{min-width:50px;padding:10px}.focus-footer .btn:disabled{background:#e5eade;border-color:#dce4d6;color:#819079;opacity:1}
 .skip-control{display:flex;align-items:center;justify-content:center;gap:7px;border:0;background:none;min-height:41px;font-size:13px;color:#687e69;margin:3px auto 0;padding:8px 15px}
 .presentation .main{padding:18px 16px 30px}.presentation .student-head{margin-bottom:16px}.presentation .question-body{padding:24px 20px}.presentation .question-body h2{font-size:25px}.presentation .mobile-nav{display:none!important}.student-next{margin-top:20px}
 .exam-start{padding:18px;margin-bottom:18px}.exam-start>p{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:16px}
 .exam-contents{padding:20px}.exam-contents h2{font-size:19px}.exam-intro-list{margin:17px 0}.exam-intro-list>div{font-size:14px;line-height:1.5;padding:12px 0}.exam-intro-list>div>span:first-child{display:flex;gap:12px}.exam-intro-list small{font-size:11px;color:#8b9887;min-width:16px;padding-top:3px}
 .exam-score{display:grid;grid-template-columns:repeat(5,1fr);gap:7px}.exam-score button{min-width:0;width:100%;height:44px;font-size:16px}
 .page-head .eyebrow{display:none}.page-head{margin:0 0 22px}.page-head h1{font-size:27px}.page-head p{font-size:13px;margin-top:9px}
 .filters input,.filters select{font-size:16px}.question-row{grid-template-columns:minmax(0,1fr) 18px;padding:17px 15px}.question-row>.qid{display:none}.question-row>.status-pill{display:inline-flex;grid-column:1;grid-row:2;width:max-content;margin-top:2px}.question-row>svg{grid-column:2;grid-row:1/3}.question-row .row-title{font-size:14px}.question-row .row-sub{font-size:11px}
 .stats-grid{gap:8px}.stat{padding:16px 10px}.stat p{font-size:11px;line-height:1.4}.stat .big{font-size:28px}.progress-table th,.progress-table td{font-size:12px;padding:13px 5px}.progress-table th:nth-child(4),.progress-table td:nth-child(4){display:none}
 .panel-title{align-items:flex-start}.panel-title h2{font-size:20px}.panel-title .btn{max-width:145px}.reference-grid .panel{padding:20px}.ref-table{font-size:13px}.ref-table th{font-size:11px}
 .session-results{padding:29px 20px}.session-results h1{font-size:29px}.session-results .actions{flex-direction:column-reverse;align-items:stretch}.result-grid{gap:25px}.footnote{font-size:12px;line-height:1.65}
 #toast{bottom:calc(85px + env(safe-area-inset-bottom));max-width:calc(100vw - 32px)}
}
@media(max-width:380px){.home-heading{gap:8px}.home-heading h1{font-size:23px}.reference-link{font-size:11px;gap:4px}.profile-select{max-width:170px}.mobile-start{padding:17px}.count-field{font-size:12px}.practice-grid button{font-size:12px}.grade{font-size:11px}}

/* Revision 5: German interface, optional Russian teacher controls, compact flow. */
.language-select{width:64px;min-width:64px;min-height:44px;padding:8px 21px 8px 10px;font-size:14px;background-color:transparent;border:1px solid var(--line);border-radius:9px;cursor:pointer}
.language-select{appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='m1 1 4 4 4-4' fill='none' stroke='%23384f42' stroke-width='1.5'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 9px center}
.topbar>.language-select{margin-left:auto}.topbar .profile-tools{margin-left:0}
.bank-pagination{display:flex;align-items:center;justify-content:center;gap:20px;margin-top:16px;font-size:14px}
.content-detail{border-top:1px solid var(--line);margin-top:18px;padding-top:2px}.content-detail>summary{min-height:44px;display:flex;align-items:center;gap:8px;cursor:pointer;font-size:14px;font-weight:500;list-style:none}.content-detail>summary:after{content:'+';margin-left:auto;font-size:20px;font-weight:400}.content-detail[open]>summary:after{content:'−'}.content-detail>summary::-webkit-details-marker{display:none}.content-detail>p{margin:6px 0 14px}
.face-tabs{display:grid;grid-template-columns:1fr 1fr;border-radius:10px;background:#e7ece2;padding:3px;flex-shrink:0}.face-tabs button{border:0;border-radius:8px;background:transparent;color:#58705d;min-height:40px;font-size:14px}.face-tabs button[aria-pressed=true]{background:#fff;color:var(--forest);box-shadow:0 1px 3px #163c2212}
.practice-settings-bar{display:flex;align-items:center;justify-content:space-between;gap:8px;color:var(--muted);font-size:12px;margin-bottom:10px}.practice-settings-bar .btn{padding:6px 8px;gap:6px}
@media(max-width:700px){
 .topbar{height:54px;padding:0 12px;gap:7px}.mobile-brand{font-size:16px}.topbar>.language-select{margin-left:auto;order:3;width:59px;min-width:59px}.profile-tools{flex:0 1 auto}.profile-select{max-width:145px;width:100%;font-size:14px;padding-left:2px}.profile-tools .icon-btn{min-width:36px;width:36px}
 .main{padding:12px 14px calc(76px + env(safe-area-inset-bottom))}.mobile-nav{padding:4px 5px calc(4px + env(safe-area-inset-bottom))}.mobile-nav button{min-height:48px;gap:4px;font-size:11px}
 .home-heading{margin-bottom:4px}.home-heading h1{font-size:25px}.reference-link{font-size:12px}
 .level-section{margin-bottom:10px}.section-caption{font-size:12px}.section-caption .text-link{min-height:32px}.level-strip{margin-top:4px;gap:6px}.level-strip button{height:44px;font-size:19px}.level-description{font-size:12px;line-height:1.35;margin-top:7px}
 .mobile-start{padding:14px}.lesson-form-title{margin-bottom:8px}.lesson-form-title h2{font-size:17px}.lesson-form-title .text-link{min-height:30px}.mobile-start label select{margin-top:4px;min-height:44px;padding:9px 12px}
 .count-field{margin-top:10px}.count-field .option-count button{height:44px;min-width:44px}.lesson-options{margin:9px 0 11px}.lesson-options summary{min-height:44px;padding:7px 0}.lesson-options summary small{font-size:11px;margin-top:1px}.mobile-start>.btn.primary{min-height:46px}
 .home-progress{margin-top:10px;gap:8px;grid-template-columns:1.2fr 1fr}.home-progress>button{display:grid;grid-template-columns:1fr auto;align-items:center;gap:4px 7px;padding:11px 12px;border-radius:12px}.home-progress>button>span{font-size:12px}.home-progress strong{font-size:20px}.home-progress small{grid-column:1/-1;font-size:11px}.home-progress .progress-line{grid-column:1/-1;margin-top:3px}.home-progress>button>svg{display:none}
 .mobile-resume{padding:8px 10px;margin-bottom:10px}.mobile-resume span{font-size:12px}.mobile-resume small{font-size:11px;margin-top:2px}
 .practice-head{margin-bottom:10px}.practice-head h1{font-size:25px}.practice-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:5px;margin-bottom:4px}.practice-grid button,.practice-grid button:nth-last-child(-n+2){grid-column:auto;min-height:44px;font-size:12px;padding:6px 2px;line-height:1.25;hyphens:auto}
 .drill-card{padding:16px 14px}.drill-card h2{font-size:21px;line-height:1.35}.drill-card .sound-surface{margin:12px 0;padding:10px}.drill-card .options-grid{gap:7px;margin-top:12px}.drill-card .answer-option{min-height:48px;padding:9px 7px;font-size:14px}.drill-card .feedback{margin-top:10px;padding:11px;font-size:14px;line-height:1.45}.drill-card .btn.next{margin-top:10px;min-height:46px}.drill-card .piano-disclosure{margin-top:10px}.drill-card .piano-disclosure summary{min-height:36px}.drill-card>.score-surface{margin-top:10px}.drill-card>.score-surface svg{max-height:180px}
 #dialog .practice-fields{margin-top:20px}#dialog .practice-fields label{font-size:14px}#dialog .toggle-label{font-size:14px;line-height:1.5}#dialog .tempo-field{display:block}
 .focus-lesson .layout,.focus-lesson .workspace{min-height:0}
 .focus-lesson .main{height:100vh;height:100dvh;min-height:0;max-width:700px;display:flex;flex-direction:column;gap:9px;padding:0 12px 0}
 .focus-lesson .focus-bar{position:static;flex-shrink:0;min-height:54px;height:54px;margin:0 -12px;padding:4px 8px;gap:6px}.focus-bar .language-select{width:57px;min-width:57px;border:0;padding:6px 18px 6px 5px}.focus-bar>span{margin-right:auto;font-size:14px;white-space:nowrap}.focus-bar .btn{min-height:44px;padding:8px 7px;font-size:13px}.focus-bar button[data-action=present]{min-width:36px}
 .focus-content{flex:1;min-height:0;overflow:auto;overscroll-behavior:contain;scrollbar-gutter:stable;scroll-padding:12px}
 .focus-content .session-card{width:100%;margin:0;border-radius:14px}.focus-content .question-body{padding:18px 17px}.focus-content .question-body h2{font-size:23px;line-height:1.4}.focus-content .question-meta{margin-bottom:13px;line-height:1.4}.focus-content .answer-block{padding:18px 17px}.focus-content .answer-block>p{font-size:18px;line-height:1.5;margin-bottom:16px}.focus-content .answer-block .content-detail p{font-size:16px;line-height:1.55}.focus-content .content-detail{margin-top:9px}.focus-content .content-detail>summary{font-size:14px;min-height:44px}
 .focus-lesson .focus-footer{position:static;flex-shrink:0;padding:8px 12px calc(5px + env(safe-area-inset-bottom));margin:0 -12px;border-top:1px solid var(--line)}.focus-primary .back-control{min-width:46px}.focus-footer .btn.primary{min-height:46px}.focus-footer .skip-control{min-height:34px;margin-top:2px;font-size:12px;padding:6px 10px}.focus-footer .assessment{padding:0 0 9px;border:0}.focus-footer .grade{min-height:48px;font-size:12px;padding:7px 3px;gap:2px}.focus-footer .grade svg{display:none}.focus-footer .assessment .eyebrow{margin:0 0 7px}.focus-footer .exam-score{display:flex;gap:5px}.focus-footer .exam-score button{flex:1;height:44px;min-width:0;font-size:16px}
 .focus-lesson .mobile-task-toolbar{position:static;flex-shrink:0;margin:0;padding:0;min-height:36px}.focus-lesson .mobile-task-toolbar .btn{min-height:36px}.focus-lesson .mobile-task-toolbar .timer{font-size:16px}.focus-content .sound-surface{margin-top:10px;margin-bottom:0;padding:9px 11px;min-height:62px}.focus-content .sound-surface .play-round{width:44px;height:44px}.focus-content .sound-surface p{font-size:12px;line-height:1.35}
 .focus-lesson.presentation .main{padding:9px 12px 0}.focus-lesson.presentation .student-head{margin:0;flex-shrink:0}.focus-lesson.presentation .student-next{margin:0;padding:6px 0 calc(8px + env(safe-area-inset-bottom));flex-shrink:0}.presentation .question-body h2{font-size:24px}
 .exam-start{padding:13px;margin-bottom:12px}.exam-start>p{margin-bottom:9px}.exam-contents{padding:14px}.exam-contents h2{font-size:18px}.exam-intro-list{display:grid;grid-template-columns:1fr 1fr;gap:0 14px;margin:9px 0 12px}.exam-intro-list>div{padding:9px 0;gap:4px;font-size:12px;line-height:1.4}.exam-intro-list>div>span:first-child{gap:6px;align-items:flex-start}.exam-intro-list>div>span:last-child{white-space:nowrap;font-size:11px}.exam-intro-list small{min-width:12px;font-size:10px}.exam-contents>p{font-size:12px;line-height:1.5}
 .page-head{margin-bottom:14px}.page-head h1{font-size:25px}.page-head p{font-size:13px;line-height:1.4;margin-top:6px}.filters{gap:8px;margin-bottom:12px}.filters input,.filters select{min-height:44px;padding:9px 12px}.bank-count{margin-bottom:7px}.question-row{padding:13px 12px;gap:6px}.question-row .row-title{font-size:14px;line-height:1.45}.question-row .row-sub{line-height:1.4;margin-top:5px}.bank-pagination{gap:18px;margin-top:12px;font-size:13px}.bank-pagination .btn{min-width:48px}
 .reference-grid{gap:9px}.reference-grid .reference-detail{padding:0 15px;min-width:0}.reference-detail>summary,.history-detail>summary{cursor:pointer;font-size:15px;font-weight:500;min-height:54px;display:flex;align-items:center;justify-content:space-between;list-style:none;gap:10px}.reference-detail>summary:after,.history-detail>summary:after{content:'+';font-size:22px;font-weight:400;flex-shrink:0}.reference-detail[open]>summary:after,.history-detail[open]>summary:after{content:'−'}.reference-detail>summary::-webkit-details-marker,.history-detail>summary::-webkit-details-marker{display:none}.reference-content{overflow-x:auto;padding-bottom:15px}.reference-content .ref-table{font-size:13px}.history-detail{padding:0 14px;margin-top:13px}.history-detail .history{padding-bottom:12px}.history-row{font-size:13px}
 .stats-grid{margin-bottom:12px}.stat{padding:12px 9px}.stat p{font-size:12px}.stat .big{font-size:27px}.progress-table th,.progress-table td{padding:10px 4px}.panel-title .btn{font-size:12px;line-height:1.4}.panel-title h2{font-size:18px}.footnote{font-size:12px;line-height:1.5}
}
@media(max-width:380px){.profile-select{max-width:105px}.topbar{gap:5px}.mobile-brand{font-size:15px}.home-heading h1{font-size:23px}.focus-bar .btn{padding:8px 5px}.focus-bar>span{font-size:13px}.focus-footer .grade{font-size:11px}.exam-intro-list{gap:0 9px}}
@media(max-width:700px) and (max-height:740px){.home-heading{min-height:36px}.home-heading h1{font-size:23px}.home-progress>button{padding:8px 10px}.home-progress .progress-line{display:none}.mobile-start{padding:11px 13px}.lesson-form-title{margin-bottom:5px}.level-description{margin-top:5px}.lesson-options{margin:7px 0 9px}.lesson-options summary small{display:none}.practice-head{margin-bottom:7px}.drill-card{padding:13px}.drill-card h2{font-size:20px}.drill-card .sound-surface{margin:9px 0}.drill-card>.score-surface svg{max-height:145px}}
@media(max-width:700px){
 .main{padding-bottom:calc(60px + env(safe-area-inset-bottom))}
 .drill-card .btn.next{display:flex;margin-top:8px}
 .drill-notes .options-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.drill-notes>.score-surface svg{max-height:115px}
 .drill-direction .options-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
 .drill-card.answered .answer-option:not(.correct):not(.wrong){display:none}
 .drill-card.answered .options-grid{display:flex}.drill-card.answered .answer-option{flex:1}
}
@media(max-width:700px) and (max-height:740px){.drill-notes>.score-surface svg{max-height:100px}}