.hero{margin-bottom:18px;background:radial-gradient(ellipse at 90% 5%,#394047 0,transparent 46%),linear-gradient(120deg,#202a32,#222336)}
.top-actions{display:flex;align-items:center;gap:20px}
.language-picker{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:11px}
.language-picker select{background:#202532;border:1px solid #384052;color:var(--text);border-radius:7px;padding:7px 25px 7px 9px;font:600 11px var(--sans);cursor:pointer}
.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:11px;margin:13px 0 21px}
.stat-card{position:relative;text-align:left;min-height:112px;background:linear-gradient(145deg,#191e29,#1a202b);border:1px solid #2e3545;border-radius:13px;padding:14px;color:var(--text);display:flex;flex-direction:column;gap:3px}
.stat-card>span{position:absolute;right:13px;top:12px;font-size:17px}
.stat-card small{font-size:9px;color:#969eae;letter-spacing:1px;font-weight:700}
.stat-card strong{font-size:25px;line-height:1.25;margin-top:7px;letter-spacing:-.7px}
.stat-card strong i{font-style:normal;color:#858d9e;font-size:15px}
.stat-card em{font-style:normal;color:#929aaa;font-size:10px}
.next-stat{cursor:pointer;transition:border-color .15s,transform .15s}
.next-stat:hover{border-color:var(--green2);transform:translateY(-2px)}
.next-stat strong{font-size:17px;color:var(--green)}
#monaco-editor{display:none;height:230px;background:#1e1e1e}
#editor-wrap.monaco-ready #monaco-editor{display:block}
#editor-wrap.monaco-ready #code-editor{display:none}
.preview-frame{display:block;width:100%;height:220px;background:#fff;border:1px solid #333a48;border-radius:8px;margin-top:10px}
#content>*{animation:fade-up .32s ease both}
.hero{animation:fade-up .35s ease both}
.stat-card{animation:fade-up .4s ease both}
.stat-card:nth-child(2){animation-delay:.04s}.stat-card:nth-child(3){animation-delay:.08s}.stat-card:nth-child(4){animation-delay:.12s}
.chapter-card{animation:fade-up .35s ease both}
.nav-item,.button,.chapter-card,.quiz-option{transition:transform .16s ease,background-color .16s ease,border-color .16s ease,filter .16s ease}
.brand-mark{transition:transform .2s ease,box-shadow .2s ease}
.brand:hover .brand-mark{transform:rotate(-7deg) scale(1.06);box-shadow:0 0 22px #91e5b044}
.toast{animation:toast-in .24s cubic-bezier(.2,.8,.2,1) both}
.chapter-track i,.xp-track i{transition:width .55s cubic-bezier(.2,.8,.2,1)}
@keyframes fade-up{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
@keyframes toast-in{from{opacity:0;transform:translateY(10px) scale(.97)}to{opacity:1;transform:translateY(0) scale(1)}}
.chapter-card,.side-card,.exercise-card,.quiz-card{box-shadow:0 7px 24px #080b121c}
.chapter-card{transition:transform .15s,border-color .15s,background .15s}
.chapter-card:hover{transform:translateY(-2px)}
@media(max-width:900px){.top-actions{gap:10px}.stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:680px){.top-actions{gap:8px}.language-picker{font-size:9px}.language-picker select{font-size:10px;padding:4px}.topbar{height:auto;min-height:49px;padding:8px 12px;gap:8px}.stats-grid{gap:8px}.stat-card{padding:12px}.stat-card strong{font-size:20px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important;transition-duration:.01ms!important}}
.sidebar-links{margin-top:auto;display:grid;gap:9px}
.sidebar-links .sidebar-bottom{margin-top:0}
.sidebar-bottom #state-storage-label{line-height:1.45}
.sidebar-bottom .storage-offline{color:#f5cb75}
.ui-language-toggle{border:1px solid var(--line);border-radius:9px;background:var(--panel);color:var(--text);padding:8px 10px;font-weight:800;cursor:pointer;transition:transform .18s,border-color .18s,background .18s}
.ui-language-toggle:hover{transform:translateY(-1px);border-color:var(--green2);background:var(--panel2)}
.discord-link{min-height:42px;display:flex;align-items:center;gap:10px;padding:10px 11px;border:1px solid #42406a;border-radius:10px;background:linear-gradient(110deg,#292641,#25293a);color:#ddd8ff;text-decoration:none;font-size:11px;font-weight:700;transition:transform .2s ease,border-color .2s ease,background .2s ease,box-shadow .2s ease}
.discord-link svg{width:19px;height:19px;color:#b9a8ff;flex:none}
.discord-arrow{margin-left:auto;color:#b9a8ff;transition:transform .2s ease}
.discord-link:hover{transform:translateY(-2px);border-color:#7166b4;background:linear-gradient(110deg,#342f56,#282e43);box-shadow:0 8px 24px #7564ff24}
.discord-link:hover .discord-arrow{transform:translate(2px,-2px)}
.nav-item:hover{transform:translateX(3px)}
.button:not(.ghost):hover{box-shadow:0 6px 20px #91e5b026}
.quiz-option:hover{transform:translateX(3px)}
.runner-note{margin-top:9px;padding:10px 12px;border:1px solid #3d4055;border-radius:9px;background:#20212c;color:#bfc2d4;font-size:11px;line-height:1.6;animation:card-arrive .25s ease both}
.runner-note code{display:inline-block;margin-top:3px;color:#d8caff;font:11px var(--mono);overflow-wrap:anywhere}
.project-done:disabled{opacity:.72;cursor:default}
.language-picker select{max-width:155px}
.main-content{animation:page-arrive .45s ease both}
.hero{position:relative;isolation:isolate}
.hero::after{content:"";position:absolute;z-index:-1;width:230px;height:230px;right:-35px;top:-105px;border-radius:50%;background:#91e5b012;filter:blur(22px);animation:soft-glow 6s ease-in-out infinite alternate}
.chapter-card:nth-child(4n+1){animation-delay:.02s}.chapter-card:nth-child(4n+2){animation-delay:.05s}.chapter-card:nth-child(4n+3){animation-delay:.08s}.chapter-card:nth-child(4n){animation-delay:.11s}
.info-card,.exercise-card,.quiz-card,.side-card{animation:card-arrive .38s ease both}
.hint-box{animation:card-arrive .22s ease both}
@keyframes page-arrive{from{opacity:0}to{opacity:1}}
@keyframes card-arrive{from{opacity:0;transform:translateY(7px)}to{opacity:1;transform:translateY(0)}}
@keyframes soft-glow{from{opacity:.45;transform:scale(.9)}to{opacity:1;transform:scale(1.1)}}
@media(max-width:680px){.sidebar-links{margin-top:12px}.discord-link{max-width:240px;margin:0 auto}.sidebar-links .sidebar-bottom{display:none}.language-picker select{max-width:110px}}
.task-prompt{padding:15px 16px;margin:0 0 14px;border:1px solid #455b50;border-left:4px solid var(--green2);border-radius:10px;background:linear-gradient(115deg,#202d27,#1b2522)}
.task-prompt-label{display:block;color:var(--green);font-size:12px;font-weight:800;letter-spacing:.15px;margin-bottom:7px}
.exercise-card .task-prompt p{color:#e0e8e2;font-size:13px;line-height:1.75;margin:0}
.account-actions{display:flex;align-items:center;gap:8px}
.account-name{max-width:130px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#c8cfda;font-size:11px}
.header-button{border:1px solid var(--line);border-radius:8px;background:var(--panel);color:var(--text);padding:8px 10px;font:700 10px var(--sans);cursor:pointer}
.header-button:hover{border-color:var(--green2);color:var(--green)}
.auth-mode .app-shell{display:block}
.auth-mode .sidebar{display:none}
.auth-mode .main-content{max-width:none}
.auth-mode .topbar{justify-content:flex-end;padding:0 5vw}
.auth-mode .breadcrumbs,.auth-mode .language-picker,.auth-mode .account-actions,.auth-mode .top-stats{display:none}
.auth-mode .content{display:grid;place-items:center;max-width:none;padding:35px 18px}
.auth-mode #footer-copy{display:none}
.auth-panel{width:min(100%,470px);padding:34px;background:linear-gradient(145deg,#1b202b,#171b25);border:1px solid #32394a;border-radius:18px;box-shadow:0 22px 70px #0005;animation:card-arrive .35s ease both}
.auth-panel h1{font-size:30px;letter-spacing:-.8px;margin:10px 0}
.auth-panel .lead{margin-bottom:24px}
.auth-form,.admin-form{display:grid;gap:15px}
.auth-form label,.admin-form label{display:grid;gap:7px;color:#cbd1dc;font-size:12px;font-weight:700}
.auth-form input,.admin-form input,.admin-form textarea,.admin-form select{width:100%;border:1px solid #363d4d;border-radius:9px;background:#11151e;color:var(--text);padding:11px 12px;font:13px var(--sans);outline:none}
.auth-form input:focus,.admin-form input:focus,.admin-form textarea:focus,.admin-form select:focus{border-color:#6cc993;box-shadow:0 0 0 3px #6cc9931c}
.auth-form .button{margin-top:4px}
.auth-error{min-height:17px;color:var(--red);font-size:11px;line-height:1.5}
.auth-switch{margin:21px 0 8px;color:var(--muted);font-size:12px}
.text-button{border:0;background:none;color:var(--green);font:700 12px var(--sans);cursor:pointer}
.auth-note{color:#858d9d;font-size:10px}
.admin-page{max-width:920px;margin:auto}
.admin-page>.section-head{align-items:start;gap:20px;margin-top:0}
.admin-page h1{margin:8px 0;font-size:30px;letter-spacing:-.8px}
.admin-page .lead{max-width:680px;font-size:13px}
.admin-form{padding:20px;background:var(--panel);border:1px solid var(--line);border-radius:14px}
.admin-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px}
.admin-form textarea{min-height:82px;resize:vertical;line-height:1.55}
.admin-form textarea.admin-code{min-height:150px;font:12px/1.65 var(--mono);white-space:pre}
.quiz-builder{border-top:1px solid var(--line);padding-top:10px}
.quiz-builder .section-head{margin:8px 0 14px}
.quiz-builder h2,.admin-existing h2{font-size:17px;margin:0 0 5px}
.quiz-builder .section-head p{margin:0;color:var(--muted);font-size:11px}
.quiz-question{min-width:0;margin:0 0 12px;padding:14px;border:1px solid #343b4c;border-radius:10px}
.quiz-question legend{padding:0 6px;color:var(--green);font-weight:800;font-size:12px}
.quiz-question>label{margin-bottom:12px}
.quiz-answers{margin-bottom:12px}
.admin-existing{margin-top:25px}
.admin-lesson-list{display:grid;gap:8px;margin-top:12px}
.admin-lesson-item{display:flex;align-items:center;gap:14px;padding:12px 14px;border:1px solid var(--line);border-radius:9px;background:var(--panel)}
.admin-lesson-item span{color:var(--green);font-size:11px}
.admin-lesson-item small{margin-left:auto;color:var(--muted);font-size:10px}
.muted{color:var(--muted)}
.admin-dashboard{max-width:1120px}
.admin-heading{display:flex;align-items:center;justify-content:space-between;gap:18px;margin:4px 0 20px}
.admin-heading h1{margin:7px 0 4px}
.admin-heading .lead{margin:0}
.admin-navbar{display:flex;gap:6px;padding:6px;margin-bottom:17px;border:1px solid var(--line);border-radius:12px;background:#171b25;overflow-x:auto}
.admin-tab{display:flex;align-items:center;gap:8px;white-space:nowrap;border:1px solid transparent;border-radius:8px;background:transparent;color:#aeb5c4;padding:10px 15px;font:700 12px var(--sans);cursor:pointer;transition:background .18s,border-color .18s,color .18s}
.admin-tab:hover{color:var(--text);background:#222836}
.admin-tab.active{color:var(--green);border-color:#3b5548;background:#202d27}
.admin-tab span{font-size:15px}
.admin-section-content{min-height:250px;animation:card-arrive .25s ease both}
.admin-stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:11px;margin-bottom:14px}
.admin-stat,.admin-panel{border:1px solid var(--line);border-radius:13px;background:linear-gradient(145deg,#191e29,#181d27)}
.admin-stat{position:relative;display:flex;flex-direction:column;min-height:144px;padding:16px}
.admin-stat>span{position:absolute;right:15px;top:13px;color:var(--green);font-size:19px}
.admin-stat small{color:#929aaa;font-size:9px;letter-spacing:1px;font-weight:800}
.admin-stat strong{margin:12px 0 8px;font-size:28px}
.admin-stat button{margin-top:auto;padding:0;border:0;background:none;text-align:left;color:#b8c1d0;font:600 11px var(--sans);cursor:pointer}
.admin-stat button:hover{color:var(--green)}
.admin-overview-bottom{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(220px,.8fr);gap:13px}
.admin-panel{padding:18px}
.admin-panel>.section-head{align-items:center;gap:12px;margin:0 0 15px}
.admin-panel h2{margin:0 0 4px;font-size:18px}
.admin-panel .section-head p{margin:0;color:var(--muted);font-size:11px}
.admin-quick{display:flex;flex-direction:column;gap:12px}
.admin-quick h2{margin-bottom:4px}
.admin-quick-action{display:flex;align-items:center;gap:10px;padding:12px;border:1px solid #343b4c;border-radius:9px;background:#1b202b;color:var(--green);font-size:14px;text-align:left;cursor:pointer}
.admin-quick-action span{flex:1;color:var(--text);font:600 11px var(--sans)}
.admin-count{display:inline-flex;align-items:center;justify-content:center;min-width:24px;padding:3px 8px;border:1px solid #384052;border-radius:99px;background:#222836;color:#bfc7d5;font-size:10px;font-weight:800}
.admin-filters{display:flex;align-items:end;gap:12px;margin:12px 0 15px}
.admin-filters label{display:grid;gap:6px;color:#cbd1dc;font-size:11px;font-weight:700}
.admin-filters select,.admin-filters input,.admin-search,.member-role{min-height:38px;border:1px solid #363d4d;border-radius:8px;background:#11151e;color:var(--text);padding:8px 10px;font:12px var(--sans);outline:none}
.admin-filters select{min-width:190px}
.admin-filter-search{flex:1}
.admin-filter-search input,.admin-search{width:100%}
.admin-filters input:focus,.admin-search:focus,.member-role:focus{border-color:#6cc993;box-shadow:0 0 0 3px #6cc9931c}
.admin-task-list{display:grid;gap:8px}
.admin-task-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:13px;border:1px solid #303747;border-radius:10px;background:#1a1f2a;transition:border-color .16s,transform .16s}
.admin-task-row:hover{border-color:#455548;transform:translateY(-1px)}
.admin-task-copy{min-width:0}
.admin-task-copy>div{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.admin-task-copy strong{font-size:13px}
.admin-task-copy p{margin:6px 0 0;color:#9ca5b5;font-size:11px;line-height:1.5}
.admin-task-badge{padding:3px 7px;border:1px solid #3a414f;border-radius:99px;color:#aeb6c5;font-size:9px;font-weight:800}
.admin-task-badge.edited{border-color:#665a35;color:#e7c577;background:#3a321e}
.admin-task-badge.custom{border-color:#3c5a4a;color:#8ee4b4;background:#20342a}
.admin-task-actions{display:flex;align-items:center;justify-content:flex-end;gap:6px;flex:none;flex-wrap:wrap}
.admin-task-actions .button{min-height:33px;padding:7px 10px;font-size:10px}
.button.danger{border:1px solid #674047;background:#342329;color:#ffacb0}
.button.danger:hover{border-color:#a34f5c;background:#44252c}
.admin-empty{padding:20px;text-align:center;border:1px dashed #394052;border-radius:9px}
.admin-table-wrap{overflow:auto;border:1px solid #303747;border-radius:10px}
.admin-table{width:100%;border-collapse:collapse;min-width:680px;text-align:left}
.admin-table th{padding:11px 13px;background:#202532;color:#929aaa;font-size:9px;letter-spacing:.7px;text-transform:uppercase}
.admin-table td{padding:12px 13px;border-top:1px solid #303747;color:#cbd1dc;font-size:11px}
.admin-table td:first-child{min-width:180px}
.admin-table td:first-child strong,.admin-table td:first-child small{display:block}
.admin-table td:first-child small{margin-top:4px;color:#939cad;font-size:10px}
.admin-table tbody tr:hover{background:#1d232f}
.admin-table tr[hidden]{display:none}
.member-role{min-height:32px;padding:5px 8px;font-size:10px}
.member-role:disabled{opacity:.62;cursor:not-allowed}
.admin-table-note{margin:12px 0 0;font-size:10px;line-height:1.5}
.admin-search{max-width:270px}
.admin-form>.admin-fields:first-child{align-items:end}
.admin-form .section-head{margin:8px 0 14px}
.admin-form .section-head h3{margin:0;font-size:17px}
.admin-editor-actions{display:flex;gap:8px;flex-wrap:wrap}
@media(max-width:900px){.admin-stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.admin-overview-bottom{grid-template-columns:1fr}}
@media(max-width:680px){.admin-heading{align-items:start;flex-direction:column}.admin-navbar{margin-bottom:12px}.admin-tab{padding:9px 11px}.admin-stat-grid{gap:8px}.admin-stat{min-height:126px;padding:12px}.admin-panel{padding:13px}.admin-panel>.section-head{align-items:start;flex-direction:column}.admin-panel>.section-head .button{width:max-content}.admin-filters{align-items:stretch;flex-direction:column}.admin-filters select{width:100%}.admin-task-row{align-items:start;flex-direction:column}.admin-task-actions{justify-content:flex-start}.admin-search{max-width:none}}
@media(max-width:680px){.auth-mode .topbar{height:55px}.auth-panel{padding:25px 20px}.auth-panel h1{font-size:25px}.admin-page>.section-head{display:grid}.admin-fields{grid-template-columns:1fr}.admin-page>.section-head>.button{width:max-content}.admin-form{padding:14px}.admin-lesson-item{align-items:start;flex-direction:column;gap:5px}.admin-lesson-item small{margin-left:0}.account-name{max-width:80px}}

/* Learning path filters, practice lab, language comparison, and admin preview */
.path-filter-bar{display:grid;grid-template-columns:minmax(180px,1.4fr) repeat(2,minmax(150px,.7fr));gap:10px;margin:14px 0 5px;padding:13px;border:1px solid var(--line);border-radius:12px;background:var(--panel)}
.path-filter-bar label,.compare-controls label{display:grid;gap:6px;color:#aeb6c5;font-size:10px;font-weight:700}
.path-filter-bar input,.path-filter-bar select,.compare-controls select{min-width:0;min-height:38px;padding:8px 10px;border:1px solid #363d4d;border-radius:8px;background:#11151e;color:var(--text);font:12px var(--sans);outline:none}
.path-filter-bar input:focus,.path-filter-bar select:focus,.compare-controls select:focus{border-color:#6cc993;box-shadow:0 0 0 3px #6cc9931c}
.path-filter-count{margin:6px 2px 10px;color:var(--muted);font-size:10px}
.chapter-card-tags{display:flex;flex-wrap:wrap;gap:5px;margin-top:10px}
.chapter-card-tags span{padding:4px 7px;border:1px solid #343b4a;border-radius:99px;background:#202532;color:#acb5c4;font-size:9px;font-weight:700}
.autosave-status{color:#83d7a4;font-size:9px;white-space:nowrap}
.practice-lab,.language-compare{margin-top:14px;padding:14px;border:1px solid #35423c;border-radius:11px;background:#151c1a}
.practice-lab summary,.language-compare summary{color:#cbd5ce;font-size:12px;font-weight:800;cursor:pointer;list-style:none}
.practice-lab summary::-webkit-details-marker,.language-compare summary::-webkit-details-marker{display:none}
.practice-lab summary:after,.language-compare summary:after{content:"＋";float:right;color:var(--green)}
.practice-lab[open] summary:after,.language-compare[open] summary:after{content:"−"}
.practice-lab>.muted,.language-compare>.muted{margin:9px 0 12px;color:var(--muted);font-size:10px;line-height:1.55}
.practice-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px}
.practice-card{min-width:0;padding:12px;border:1px solid #323b38;border-radius:9px;background:#1b2220}
.practice-card h3{margin:0 0 7px;color:#dbe4df;font-size:11px}
.practice-card p{min-height:42px;margin:0 0 9px;color:#aeb9b2;font-size:10px;line-height:1.5}
.practice-card textarea{display:block;width:100%;margin:8px 0;padding:9px;border:1px solid #363d4d;border-radius:7px;background:#11151e;color:var(--text);font:11px/1.5 var(--mono);resize:vertical}
.practice-card .button{padding:8px 10px;font-size:10px}
.cloze-code{min-height:74px;max-height:150px;overflow:auto;white-space:pre-wrap;word-break:break-word;padding:8px;border-radius:7px;background:#11151e;color:#d0d7d3;font:10px/1.55 var(--mono)}
.practice-feedback{min-height:16px;margin-top:7px;font-size:10px;line-height:1.4}
.practice-feedback.good{color:var(--green)}.practice-feedback.bad{color:var(--yellow)}
.practice-choices{display:grid;gap:5px;margin-top:9px}
.practice-choice{padding:7px 8px;border:1px solid #3a414f;border-radius:7px;background:#141922;color:#cdd3de;text-align:left;font:10px var(--mono);cursor:pointer;overflow-wrap:anywhere}
.practice-choice:hover{border-color:#6a7588}.practice-choice.is-correct{border-color:#54b77b;background:#20342a;color:#a7ebbf}
.compare-controls{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:10px 0}
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.compare-grid section{min-width:0;padding:10px;border:1px solid #303747;border-radius:9px;background:#11151e}
.compare-grid h4{margin:0 0 8px;color:#b8c2ce;font-size:10px}
.compare-grid pre,.admin-preview-content pre{max-height:330px;overflow:auto;margin:0;white-space:pre-wrap;word-break:break-word;color:#d6dce4;font:10px/1.6 var(--mono)}
.output-diff{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:9px}
.output-diff>div{min-width:0;padding:8px;border:1px solid #49404a;border-radius:8px;background:#1a1b24}
.output-diff b{display:block;margin-bottom:5px;color:#d5d7df;font-size:9px}
.output-diff pre{max-height:100px;overflow:auto;margin:0;color:#c9cfdb;font:10px/1.5 var(--mono);white-space:pre-wrap;word-break:break-word}
.output-diff small{grid-column:1/-1;color:#e8c879;font-size:9px}
.admin-preview-dialog{width:min(760px,calc(100vw - 28px));max-height:86vh;padding:0;border:1px solid #465044;border-radius:15px;background:#151a1a;color:var(--text);box-shadow:0 30px 90px #000b}
.admin-preview-dialog::backdrop{background:#05070bcc;backdrop-filter:blur(3px)}
.admin-preview-content{max-height:86vh;overflow:auto;padding:20px}
.admin-preview-content>.section-head{align-items:center;margin:0 0 15px}
.admin-preview-content>.section-head h2{margin:6px 0 0;font-size:21px}
.admin-preview-meta{color:#9fa9b5;font-size:10px}
.admin-preview-content h3{margin:16px 0 7px;font-size:12px}
.admin-preview-content>p:not(.admin-preview-meta){color:#c0c8c5;line-height:1.65}
.admin-preview-content pre{padding:12px;border:1px solid #303747;border-radius:8px;background:#11151e}
.admin-preview-question{margin:8px 0;padding:10px;border:1px solid #303747;border-radius:8px;background:#191e28}
.admin-preview-question b{font-size:11px}.admin-preview-question ol{margin:8px 0 0;padding-left:22px;color:#adb6c4;font-size:10px;line-height:1.7}
@media(max-width:900px){.practice-grid{grid-template-columns:1fr}.practice-card p{min-height:0}}
@media(max-width:680px){.path-filter-bar{grid-template-columns:1fr}.compare-grid,.compare-controls,.output-diff{grid-template-columns:1fr}.output-diff small{grid-column:auto}.autosave-status{display:none}.practice-lab,.language-compare{padding:11px}.admin-preview-content{padding:14px}}

/* Dedicated language picker and language-specific course home */
.auth-mode #language-hub-open{display:none}
.language-hub-trigger{display:flex;align-items:center;gap:7px;white-space:nowrap}
.language-hub-trigger #current-language-label{padding:3px 7px;border:1px solid #424a59;border-radius:99px;background:#171c26;color:var(--green);font-size:9px}
.course-home-hero{grid-template-columns:1.25fr .75fr}
.course-home-hero h1{max-width:600px}
.course-home-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:20px}
.course-home-actions .button{margin-top:0}
.language-hub-page{max-width:100%;animation:fade-up .3s ease both}
.language-hub-heading{padding:26px 27px;border:1px solid #35423e;border-radius:16px;background:radial-gradient(ellipse at 90% 0,#35463b 0,transparent 48%),linear-gradient(120deg,#1c2824,#202330)}
.language-hub-heading h1{max-width:650px;margin:9px 0 8px;font-size:30px;letter-spacing:-.8px}
.language-hub-heading>.lead{max-width:700px;font-size:13px}
.language-hub-current{display:flex;align-items:center;gap:11px;margin-top:20px;padding:10px 12px;border:1px solid #3c4b43;border-radius:11px;background:#11191a;width:max-content;max-width:100%}
.language-hub-current .language-card-mark{width:36px;height:36px;padding:5px;border-radius:9px}
.language-hub-current>span:nth-child(2){display:grid;gap:3px}
.language-hub-current small{color:var(--muted);font-size:8px;font-weight:800;letter-spacing:.7px}
.language-hub-current b{font-size:11px}
.language-hub-current .button{margin-left:8px;padding:8px 10px;font-size:10px}
.language-hub-section-head{display:flex;align-items:end;justify-content:space-between;gap:15px;margin:25px 0 12px}
.language-hub-section-head h2{margin:0;font-size:17px}
.language-hub-section-head p{margin:5px 0 0;color:var(--muted);font-size:10px}
.language-count{padding:5px 9px;border:1px solid #343b49;border-radius:99px;color:#b5bdca;font-size:9px;font-weight:800;white-space:nowrap}
.language-card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.language-card{position:relative;display:flex;align-items:flex-start;gap:11px;min-width:0;min-height:136px;padding:13px;border:1px solid #303747;border-radius:12px;background:linear-gradient(145deg,#191e29,#171c25);color:var(--text);text-align:left;cursor:pointer;transition:transform .16s,border-color .16s,background .16s,box-shadow .16s}
.language-card:hover{transform:translateY(-2px);border-color:#66736d;background:#1d2526;box-shadow:0 10px 25px #06090d55}
.language-card.selected{border-color:#5baa7c;background:linear-gradient(145deg,#1e3028,#1b2425);box-shadow:inset 0 0 0 1px #4b95652b}
.language-card:focus-visible{outline:2px solid var(--green);outline-offset:2px}
.language-card:disabled{opacity:.65;cursor:wait;transform:none}
.language-card-mark{display:grid;place-items:center;flex:none;width:41px;height:41px;padding:7px;border:1px solid #444151;border-radius:11px;background:#252535}
.language-card-logo{display:block;width:100%;height:100%;object-fit:contain}
.language-card-copy{display:grid;gap:7px;min-width:0;padding-right:12px}
.language-card-title{display:flex;align-items:center;gap:6px;flex-wrap:wrap;font-size:13px;font-weight:800}
.current-course-tag{padding:3px 5px;border-radius:99px;background:#284734;color:#9ce4b3;font-size:7px;letter-spacing:.4px}
.language-card-summary{min-height:48px;color:#aab2c0;font-size:10px;line-height:1.5}
.language-card-runner{color:#8f9aab;font-size:8px;font-weight:700;letter-spacing:.1px}
.language-card-arrow{position:absolute;right:12px;bottom:11px;color:#92d5a9;font-size:13px;transition:transform .16s}
.language-card:hover .language-card-arrow{transform:translateX(3px)}
.language-hub-page>.notice{margin-top:12px}
.language-hub-loading{min-height:15px;margin-top:10px;color:#a5e4b8;font-size:10px}
@media(max-width:1000px){.language-card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:680px){.course-home-hero{grid-template-columns:1fr}.course-home-actions{align-items:stretch;flex-direction:column}.course-home-actions .button{width:100%}.language-hub-heading{padding:20px 17px}.language-hub-heading h1{font-size:24px}.language-hub-current{width:100%;flex-wrap:wrap}.language-hub-current .button{margin:4px 0 0 auto}.language-card-grid{grid-template-columns:1fr}.language-card{min-height:128px}.language-hub-section-head{align-items:flex-start}.language-hub-section-head p{max-width:250px}.language-hub-trigger{padding:7px}.language-hub-trigger #current-language-label{display:none}.breadcrumbs{max-width:105px;overflow:hidden;white-space:nowrap}.top-actions{min-width:0}}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.member-delete{min-height:32px;padding:6px 12px;font-size:11px;white-space:nowrap}
/* ---------- Mitgliedschaft (Free / Plus / Premium) ---------- */
.tier-badge{display:inline-flex;align-items:center;gap:3px;padding:3px 8px;border-radius:99px;font:800 9px var(--sans);letter-spacing:.4px;text-transform:uppercase;vertical-align:middle;margin-left:6px}
.chapter-card-tags .tier-badge,.admin-task-copy .tier-badge{margin-left:0;margin-right:6px}
.tier-plus{background:#3a3220;border:1px solid #6d5a2b;color:var(--yellow)}
.tier-premium{background:#2c2540;border:1px solid #5b4a8c;color:var(--purple)}
.chapter-card-tags .tier-locked{border-color:#4a3b3b;background:#2a2023}
.nav-lock,.nav-tier{margin-left:auto;font-size:11px;opacity:.85}
.login-button{border-color:#3d6a50;color:var(--green)}
.locked-lesson{max-width:720px;margin:20px auto;text-align:center}
.locked-lesson .locked-icon{font-size:44px;margin-bottom:6px}
.locked-lesson h1{font-size:30px;letter-spacing:-1px;margin:10px 0}
.locked-lesson .lead{margin-bottom:22px}
.locked-lesson .info-card{text-align:left}
.locked-lesson .info-card h2{font-size:16px;margin:0 0 10px}
.locked-lesson .info-card p{margin-top:12px}
.tier-perks{margin:0;padding-left:0;list-style:none;display:grid;gap:7px;color:#c0c5d0;font-size:13px}
.locked-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.locked-actions a.button{text-decoration:none;display:inline-block}
.guest-practice-note{margin:0 0 10px;padding:10px 12px;border:1px solid #3d6a50;border-radius:9px;background:#1a2620;color:#cfe9d9;font-size:12px}
.guest-practice-note .text-button{padding:0;font-size:12px}
.auth-info{margin:0 0 16px;padding:10px 12px;border:1px solid #3d6a50;border-radius:9px;background:#1a2620;color:#cfe9d9;font-size:12px;line-height:1.5}
.auth-guest{display:block;margin:16px auto 0;color:var(--muted)}
.auth-guest:hover{color:var(--green)}
/* ---------- Passwort vergessen ---------- */
.auth-forgot{justify-self:start;padding:0;margin-top:-6px;font-size:11px;color:var(--muted)}
.auth-forgot:hover{color:var(--green)}
.auth-note a{color:var(--green)}
/* ---------- Rechtliches im Footer (muss von jeder Seite erreichbar sein) ---------- */
.legal-links{display:flex;justify-content:center;gap:16px;margin-top:8px}
footer .legal-links a{color:#8b93a4;text-decoration:none;font-size:10px}
footer .legal-links a:hover{color:var(--green);text-decoration:underline}
.auth-mode footer{border-top:0}

/* =====================================================================
   Handy-Ansicht (bis 680px Breite)
   Ziel: nichts ragt über den Bildschirmrand, alles bleibt mit dem Daumen bedienbar.
   ===================================================================== */
@media (max-width: 680px) {
  /* Seitenleiste wird zu einer schlanken Kopfzeile: Logo links, Discord als Symbol rechts */
  .sidebar { flex-direction: row; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 15px; }
  .sidebar nav { display: none; } /* Kapitel findet man auf dem Handy über die Karten der Startseite */
  .sidebar-links { margin: 0; flex: 0 0 auto; }
  .discord-link { margin: 0; padding: 9px; max-width: none; }
  .discord-link #discord-label, .discord-link .discord-arrow { display: none; }
  .brand-mark { padding: 8px; }

  /* Obere Leiste: Brotkrumen und Zähler ausblenden, Knöpfe dürfen umbrechen */
  .topbar { height: auto; min-height: 52px; padding: 8px 12px; justify-content: flex-end; }
  .breadcrumbs, .top-stats, .account-name { display: none; }
  .top-actions { flex-wrap: wrap; justify-content: flex-end; gap: 6px; width: 100%; }
  .header-button, .ui-language-toggle { padding: 9px 10px; min-height: 40px; }
  #language-hub-label { display: none; } /* Globus + aktuelle Sprache reichen */

  /* Inhalt: etwas weniger Rand, nichts darf breiter als der Bildschirm werden */
  .content { padding: 18px 14px 24px; }
  .main-content { min-width: 0; }
  pre, .code-sample { max-width: 100%; overflow-x: auto; }
  .admin-table-wrap { max-width: 100%; }
}
/* Absolut positionierte Elemente (z. B. .visually-hidden) bleiben im scrollbaren Tabellenbereich */
.admin-table-wrap { position: relative; }
.visually-hidden { margin: -1px; padding: 0; border: 0; }
@media (max-width: 680px) {
  /* Auf dem Handy: Globus + aktueller Kurs statt des Worts "Sprachen" */
  .language-hub-trigger #current-language-label { display: inline-block; }
}
/* Grid-Spalten dürfen schmaler werden als ihr breitester Inhalt (sonst drücken Code-Blöcke die Seite auf) */
@media (max-width: 900px) { .lesson-layout { grid-template-columns: minmax(0, 1fr) 250px; } }
@media (max-width: 680px) { .lesson-layout { grid-template-columns: minmax(0, 1fr); } }