/* Demo offline — extensions on app-screens.css */

.demo-narrow{max-width:720px;padding-bottom:48px}
@media(min-width:640px){.demo-narrow{padding-bottom:56px}}
.demo-intro{text-align:center}
.demo-intro .h1,.demo-intro .lede{text-align:center}

/* Level picker */
.level-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:10px}
.level-grid .chip{justify-content:center;width:100%;border-radius:10px;flex-wrap:wrap;gap:4px}
.chip--locked{opacity:.5;cursor:not-allowed;pointer-events:none}
.chip-soon{font-size:9px;font-weight:700;text-transform:uppercase;color:var(--amber);background:rgba(245,158,11,.12);padding:1px 6px;border-radius:5px}

.goal-sub{font-size:12px;font-weight:600;color:var(--text-secondary);margin:4px 0 0}

/* Passage markable words */
.demo-passage .w{cursor:pointer;border-bottom:2px solid var(--brand);color:var(--brand);font-weight:600;transition:background .15s}
.demo-passage .w:hover,.demo-passage .w.active{background:var(--brand-light)}
.demo-passage .w.saved{border-bottom-color:var(--green);color:var(--green)}
.demo-tap-hint{margin-top:12px}

/* Word popover */
.demo-pop{margin-top:14px;padding:14px;border-color:var(--brand)}
.demo-pop-word{font-size:18px;margin:0 0 8px}
.demo-pop-tr{font-size:15px;font-weight:600;color:var(--text);margin:8px 0 14px}
.demo-tr-toggle{display:flex;gap:6px;margin-bottom:4px}
.demo-tr-chip{font-size:11px;font-weight:700;padding:4px 10px;border-radius:999px;border:1px solid var(--border);background:var(--bg3);color:var(--text-secondary);cursor:pointer;font-family:var(--lc-font)}
.demo-tr-chip.on{border-color:var(--brand);background:var(--brand-light);color:var(--brand)}

/* Questions */
.demo-questions{margin-top:18px;padding-top:14px;border-top:1px solid var(--border)}
.demo-q{margin-bottom:16px}
.demo-q-n{color:var(--brand);font-weight:700}
.demo-opts{display:flex;flex-direction:column;gap:8px;margin-top:8px}
.demo-opts--tf{flex-direction:row;flex-wrap:wrap;gap:10px}
.demo-opt{display:flex;align-items:flex-start;gap:10px;padding:10px 12px;border:1px solid var(--border);border-radius:10px;background:var(--bg2);cursor:pointer;font-size:13px;font-weight:600;color:var(--text);font-family:var(--lc-font)}
.demo-opt input{margin-top:2px;accent-color:var(--brand);flex-shrink:0}
.demo-opt--correct{border-color:var(--green);background:rgba(34,197,94,.1);color:var(--green)}
.demo-opt--wrong{border-color:var(--red,#ef4444);background:rgba(239,68,68,.08)}
.demo-reveal{font-size:12px;font-weight:600;color:var(--green);margin:6px 0 0}
.demo-score{text-align:center;font-size:16px;font-weight:700;color:var(--text);margin:14px 0 0;padding:12px;border-radius:10px;background:var(--bg3)}
.demo-score--perfect{color:var(--green);background:rgba(34,197,94,.1)}

/* Articles */
.demo-art{font-weight:700;margin-right:4px}
.demo-art--masc{color:#2563eb}
.demo-art--fem{color:#dc2626}
.demo-art--neut{color:#16a34a}

/* Vocabulary list */
.demo-vocab-sec{margin-top:12px}
.demo-vocab-list{display:flex;flex-direction:column;gap:0}
.demo-vocab-row{display:flex;align-items:center;gap:10px;padding:10px 0;border-top:1px solid var(--border);font-size:14px}
.demo-vocab-row:first-child{border-top:0}
.demo-vocab-row b{flex:1;min-width:0}
.demo-vocab-row span{font-size:12px;font-weight:500;color:var(--text-muted);text-align:right}

/* Practice preview grid */
.demo-sec-title{margin:24px 0 4px;font-size:18px}
.demo-sec-sub{margin:0 0 12px}
.demo-practice-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:8px}
@media(max-width:520px){.demo-practice-grid{grid-template-columns:1fr}}
.demo-practice-card{padding:14px}
.demo-practice-ex{font-size:13px;font-weight:600;color:var(--text-secondary);line-height:1.55;margin:0}
.demo-match,.demo-phrase{line-height:1.6}
.demo-match-pair{white-space:nowrap}
.demo-match-sep{color:var(--text-muted)}

/* Gap-fill reuse */
.loop-gap{display:inline-block;min-width:48px;border-bottom:2px solid var(--brand);text-align:center;color:var(--brand);font-weight:700}
.loop-reveal{color:var(--green);font-weight:700}

/* Mini flashcard */
.demo-fc-mini{position:relative;min-height:120px;margin-top:8px;cursor:pointer;perspective:700px}
.demo-fc-front,.demo-fc-back{border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--bg2);padding:16px;text-align:center;min-height:120px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px}
.demo-fc-back{display:none;background:var(--brand-light)}
.demo-fc-mini.flipped .demo-fc-front{display:none}
.demo-fc-mini.flipped .demo-fc-back{display:flex}
.demo-fc-word{font-size:20px;font-weight:700;color:var(--text)}
.demo-speak{border:none;background:var(--bg3);border-radius:8px;padding:6px 10px;font-size:16px;cursor:pointer;margin-bottom:4px}
.fc-flip-hint{font-size:11px;color:var(--text-muted)}

/* Registration block */
.demo-reg-block{margin-top:24px;padding:20px;border-radius:var(--radius-lg);background:linear-gradient(145deg,var(--brand-light),var(--bg2));border:1px solid var(--brand);text-align:center}
.demo-reg-block .h2{font-size:18px;margin:0 0 8px;color:var(--text)}
.demo-reg-lede{font-size:13px;font-weight:600;color:var(--text-secondary);margin:0 0 16px;line-height:1.5}
.demo-mode-pair{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:16px;text-align:left}
@media(max-width:520px){.demo-mode-pair{grid-template-columns:1fr}}
.demo-mode-card{background:var(--bg2);border:1px solid var(--border);border-radius:10px;padding:12px}
.demo-mode-name{font-size:13px;font-weight:700;color:var(--text);margin:0 0 4px}
.demo-mode-desc{font-size:11px;font-weight:600;color:var(--text-secondary);margin:0;line-height:1.45}
.demo-mastery{text-align:left;margin-bottom:16px;padding:14px;border-radius:10px;background:var(--bg2);border:1px solid var(--border)}
.demo-mastery-row{display:grid;grid-template-columns:1fr 1.4fr auto;gap:8px;align-items:center;margin-bottom:8px;font-size:12px;font-weight:600}
.demo-mastery-lbl{color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.demo-mastery-track{height:8px;border-radius:4px;background:var(--bg3);overflow:hidden}
.demo-mastery-fill{height:100%;border-radius:4px}
.demo-mastery-fill--good{background:var(--green)}
.demo-mastery-fill--mid{background:var(--amber)}
.demo-mastery-fill--weak{background:#ef4444}
.demo-mastery-pct{color:var(--text-muted);font-size:11px;width:32px;text-align:right}
.demo-mastery-focus{font-size:12px;font-weight:700;color:var(--brand);margin:10px 0 0;line-height:1.45}
.demo-reg-block .btn-primary{display:inline-flex;margin-top:4px}
.demo-reg-sm{display:block;margin-top:10px;font-size:11px;font-weight:600;color:var(--text-muted)}
.demo-reg-sm a{color:var(--brand);font-weight:700}

/* Journey sections A–F */
.demo-loop-outline{text-align:left;margin:16px auto 0;max-width:360px;padding-left:20px;font-size:13px;font-weight:600;color:var(--text-secondary);line-height:1.6}
.demo-journey-section{margin-top:8px}
.demo-sec-sub{margin:0 0 12px}
.demo-skill-block{margin-bottom:10px}
.demo-skill-teil{font-size:12px;font-weight:700;color:var(--brand);margin:10px 0 6px}
.demo-passage--sample{font-size:13px;line-height:1.55;color:var(--text-secondary);margin-bottom:10px}
.demo-transcript{font-size:13px;line-height:1.55;color:var(--text-secondary);background:var(--bg3);border-left:3px solid var(--brand);padding:10px 12px;border-radius:0 8px 8px 0;margin:8px 0 12px;white-space:pre-wrap}
.demo-task{font-size:13px;font-weight:600;color:var(--text);line-height:1.55;margin:8px 0}
.demo-task-sample{font-size:13px;line-height:1.5;margin-top:10px}
.demo-opt--static{cursor:default;pointer-events:none}
.demo-reveal-btn{margin-top:8px;padding:8px 14px;font-size:12px}
.demo-brush{margin-top:10px}
.demo-brush-row{font-size:13px;font-weight:600;color:var(--text-secondary);margin:8px 0;line-height:1.45}
.demo-brush-flag{margin-right:6px}
.demo-brush-ans{color:var(--green);font-weight:700}
.demo-weakness-panel,.demo-plan-panel{margin-bottom:10px}
.demo-plan-list{display:flex;flex-direction:column;gap:8px;margin-top:8px}
.demo-plan-row{display:grid;grid-template-columns:auto 1fr auto;gap:10px;align-items:center;font-size:12px;font-weight:600;padding:8px 0;border-top:1px solid var(--border)}
.demo-plan-row:first-child{border-top:0}
.demo-plan-day{font-weight:800;color:var(--brand);min-width:28px}
.demo-plan-text{color:var(--text-secondary)}
.demo-plan-tag{font-size:10px;font-weight:800;text-transform:uppercase;padding:3px 8px;border-radius:999px;white-space:nowrap}
.demo-plan-tag--weak{background:rgba(239,68,68,.12);color:#ef4444}
.demo-plan-tag--review{background:rgba(34,197,94,.12);color:var(--green)}
.demo-mastery-row--sm{font-size:11px;margin-bottom:6px}

/* Tabbed demo (Exams · Vocabulary · Games) */
.demo-main-tabs{margin-top:16px}
.demo-tab-panel{margin-top:4px}
.demo-tab-title{font-size:17px;font-weight:700;color:var(--text);margin:0 0 6px}
.demo-module-pills,.demo-part-pills{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0 12px}
.chip--sm{font-size:12px;padding:6px 12px}
.demo-exam-progress{margin-bottom:12px;padding:14px}
.demo-exam-progress-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}
.demo-exam-progress-n{font-size:14px;font-weight:800;color:var(--brand)}
.demo-exam-progress-hint{margin:10px 0 0;font-size:11px}
.demo-exam-body{padding:16px}
.demo-horen-bar{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:8px 0 12px}
.demo-q-feedback{font-size:12px;font-weight:700;margin:8px 0 0;padding:8px 10px;border-radius:8px}
.demo-q-feedback--ok{color:var(--green);background:rgba(34,197,94,.1)}
.demo-q-feedback--warn{color:var(--amber);background:rgba(245,158,11,.12)}
.demo-q-feedback--bad{color:#ef4444;background:rgba(239,68,68,.08)}
.demo-opt{cursor:pointer;border:none;width:100%;text-align:left;font-family:var(--lc-font)}
.demo-opt span{display:block;line-height:1.45}
.demo-production{margin-top:0}
.demo-mock-editor{margin-top:12px;border:1px dashed var(--border);border-radius:12px;overflow:hidden;background:var(--bg3)}
.demo-mock-editor-bar{display:flex;gap:8px;padding:8px 10px;background:var(--bg2);border-bottom:1px solid var(--border)}
.demo-mock-badge{font-size:10px;font-weight:800;text-transform:uppercase;padding:3px 8px;border-radius:6px;background:var(--bg3);color:var(--text-secondary)}
.demo-mock-badge--app{margin-left:auto;color:var(--brand);background:var(--brand-light)}
.demo-mock-textarea{width:100%;border:0;padding:12px;font-family:var(--lc-font);font-size:13px;resize:none;background:var(--bg2);color:var(--text-muted)}
.demo-mock-speak{padding:20px;text-align:center;color:var(--text-secondary);font-size:13px;font-weight:600}
.demo-mock-mic{font-size:28px;display:block;margin-bottom:8px}
.demo-vocab-cta{margin-top:12px}
.demo-games-panel{display:flex;flex-direction:column;gap:12px}
.demo-game-card{padding:16px}
.demo-game-card-head{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:4px}
.demo-game-card-head .seclbl{margin:0}
.demo-game-tag{font-size:10px;font-weight:800;text-transform:uppercase;color:var(--brand);background:var(--brand-light);padding:3px 8px;border-radius:999px;white-space:nowrap}
.demo-fc-nav{display:flex;align-items:center;justify-content:center;gap:12px;margin-top:10px}
.btn-sm{min-height:36px;padding:6px 12px;font-size:12px}
.demo-listen-chips{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0}
.demo-listen-chip{font-size:13px;font-weight:700;padding:10px 14px;border-radius:10px;border:1px solid var(--border);background:var(--bg2);cursor:pointer;font-family:var(--lc-font)}
.demo-listen-chip.on{border-color:var(--brand);background:var(--brand-light);color:var(--brand)}
.demo-gap-choices{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.demo-match-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:10px}
.demo-match-cell{font-size:13px;font-weight:700;padding:12px;border-radius:10px;border:1px solid var(--border);background:var(--bg2);cursor:pointer;font-family:var(--lc-font);text-align:left}
.demo-match-cell--tr{color:var(--text-secondary)}
.demo-match-cell.done{border-color:var(--green);background:rgba(34,197,94,.1);opacity:.85}
.demo-match-cell.picked{border-color:var(--brand);background:var(--brand-light);box-shadow:0 0 0 2px rgba(37,99,235,.25)}
.demo-custom-exam-teaser{text-align:center;padding:18px}
.demo-footer-section{margin-top:20px}
.demo-progress-footer{margin-bottom:12px}

/* Legacy loop helpers (gap-fill in practice cards) */
.loop-step{display:flex;align-items:center;gap:8px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--brand);margin:16px 4px 8px}
.loop-step .n{width:18px;height:18px;border-radius:50%;background:var(--brand);color:#fff;font-size:11px;display:flex;align-items:center;justify-content:center;flex:none}