:root{--blue:#2563eb;--blue2:#1d4ed8;--green:#16a34a;--amber:#d97706;--red:#dc2626}.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:.8rem;padding:.65rem 1rem;font-weight:800;text-decoration:none}.btn-primary{background:var(--blue);color:#fff}.btn-primary:hover{background:var(--blue2)}.btn-light{background:#f1f5f9;color:#0f172a}.card{background:#fff;border:1px solid #e2e8f0;border-radius:1.2rem;box-shadow:0 8px 30px rgba(15,23,42,.06)}.badge{display:inline-flex;background:#dbeafe;color:#1d4ed8;border-radius:999px;padding:.35rem .7rem;font-weight:800;font-size:.82rem}.stat{padding:1rem;border-radius:1rem;background:#f8fafc}.stat b{display:block;font-size:1.8rem}.stat span{font-size:.8rem;color:#64748b}.keyboard-demo{display:grid;grid-template-columns:repeat(8,1fr);gap:.35rem}.keyboard-demo span{background:#0f172a;color:white;border-radius:.45rem;padding:.7rem .2rem;text-align:center;font-weight:900;box-shadow:0 3px 0 #475569}.progress{height:.65rem;background:#e2e8f0;border-radius:999px;overflow:hidden}.progress>span{display:block;height:100%;background:linear-gradient(90deg,#2563eb,#22c55e)}.lesson-card.locked{opacity:.55}.key{display:inline-flex;min-width:2.5rem;height:2.5rem;align-items:center;justify-content:center;border-radius:.5rem;background:#e2e8f0;font-weight:900;border-bottom:3px solid #94a3b8}.typing-line{font-size:1.6rem;line-height:2.4rem;letter-spacing:.04em;white-space:pre-wrap;overflow-wrap:break-word;word-break:normal;max-width:100%;min-width:0;overflow-x:hidden}.typing-line .ok{color:#16a34a}.typing-line .bad{background:#fee2e2;color:#b91c1c}.typing-line .cursor{border-bottom:3px solid #2563eb}.game-zone{min-height:260px;position:relative;overflow:hidden;background:linear-gradient(#eff6ff,#fff);border-radius:1rem;border:1px solid #bfdbfe}.falling-letter{position:absolute;font-size:2rem;font-weight:900}.star{font-size:1.5rem}.choice{display:block;width:100%;text-align:left;border:2px solid #e2e8f0;border-radius:.9rem;padding:1rem;margin:.55rem 0;font-weight:700;background:white}.choice:hover{border-color:#93c5fd}.choice.correct{border-color:#22c55e;background:#f0fdf4}.choice.wrong{border-color:#ef4444;background:#fef2f2}@media(max-width:640px){.typing-line{font-size:1.2rem;line-height:2rem}}

/* KeyQuest v0.1.2 guided lesson flow */
.lesson-roadmap{border:2px solid #dbeafe;background:linear-gradient(135deg,#eff6ff 0%,#fff 55%,#f0fdf4 100%)}
.mission-status{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;background:#dbeafe;color:#1d4ed8;padding:.45rem .8rem;font-size:.82rem;font-weight:900}
.mission-track{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;gap:.65rem;align-items:center}
.mission-step{width:100%;display:flex;align-items:center;gap:.65rem;text-align:left;border:2px solid #e2e8f0;background:#fff;border-radius:1rem;padding:.75rem;transition:.18s ease;min-width:0}
.mission-step:not(.is-locked){cursor:pointer}.mission-step:not(.is-locked):hover{transform:translateY(-1px);box-shadow:0 8px 18px rgba(15,23,42,.07)}
.mission-number{display:inline-flex;align-items:center;justify-content:center;flex:0 0 2.2rem;width:2.2rem;height:2.2rem;border-radius:999px;background:#e2e8f0;color:#475569;font-weight:950}
.mission-copy{display:flex;flex-direction:column;min-width:0;line-height:1.12}.mission-copy b{font-size:.95rem}.mission-copy small{font-size:.72rem;color:#64748b;margin-top:.2rem}
.mission-state{margin-left:auto;font-size:.7rem;font-weight:900;text-transform:uppercase;color:#64748b;white-space:nowrap}
.mission-arrow{font-size:1.35rem;color:#94a3b8;font-weight:900}
.mission-step.is-current{border-color:#3b82f6;background:#eff6ff;box-shadow:0 0 0 3px rgba(59,130,246,.08)}
.mission-step.is-current .mission-number{background:#2563eb;color:#fff}.mission-step.is-current .mission-state{color:#1d4ed8}
.mission-step.is-complete{border-color:#86efac;background:#f0fdf4}.mission-step.is-complete .mission-number{background:#16a34a;color:#fff}.mission-step.is-complete .mission-state{color:#15803d}
.mission-step.is-locked{opacity:.55;background:#f8fafc}.mission-step.is-locked .mission-number{background:#e2e8f0}.mission-step.is-locked .mission-state{color:#94a3b8}
.mission-progress{height:.6rem;background:#e2e8f0;border-radius:999px;overflow:hidden}.mission-progress span{display:block;height:100%;width:0;background:linear-gradient(90deg,#2563eb,#22c55e);border-radius:999px;transition:width .35s ease}
.lesson-flow{display:flex;flex-direction:column;gap:0}.lesson-step{overflow:hidden;border:2px solid #e2e8f0;transition:.2s ease;scroll-margin-top:1rem}.lesson-step.is-current{border-color:#93c5fd;box-shadow:0 10px 35px rgba(37,99,235,.09)}.lesson-step.is-complete{border-color:#bbf7d0}.lesson-step.is-locked{background:#f8fafc}
.step-banner{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1rem 1.25rem;background:#f8fafc;border-bottom:1px solid #e2e8f0}.is-current .step-banner{background:#eff6ff}.is-complete .step-banner{background:#f0fdf4}
.step-title-wrap{display:flex;align-items:center;gap:.9rem;min-width:0}.step-title-wrap p{font-size:.9rem;color:#64748b;margin-top:.15rem}.step-number{display:inline-flex;align-items:center;justify-content:center;flex:0 0 3rem;width:3rem;height:3rem;border-radius:999px;background:#e2e8f0;color:#475569;font-size:1.35rem;font-weight:950}.is-current .step-number{background:#2563eb;color:#fff}.is-complete .step-number{background:#16a34a;color:#fff}.step-eyebrow{font-size:.68rem;letter-spacing:.08em;font-weight:950;color:#64748b}
.step-status{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;background:#e2e8f0;color:#475569;padding:.4rem .75rem;font-size:.75rem;font-weight:950;white-space:nowrap}.is-current .step-status{background:#dbeafe;color:#1d4ed8}.is-complete .step-status{background:#dcfce7;color:#15803d}
.lesson-step.is-locked .step-content{opacity:.38;filter:saturate(.55);pointer-events:none;user-select:none}.step-lock-message{display:none;margin:1rem 1.25rem 0;padding:.75rem 1rem;border:1px dashed #cbd5e1;border-radius:.85rem;background:#fff;color:#64748b;font-weight:800;text-align:center}.lesson-step.is-locked .step-lock-message{display:block}
.coach-card{background:#fffbeb;border:1px solid #fde68a;border-radius:1rem;padding:1rem}.coach-label{display:inline-flex;border-radius:999px;background:#fef3c7;color:#92400e;padding:.3rem .6rem;font-size:.72rem;font-weight:950;text-transform:uppercase;letter-spacing:.04em}
.flow-connector{height:3rem;display:flex;align-items:center;justify-content:center}.flow-connector span{display:inline-flex;align-items:center;justify-content:center;width:2rem;height:2rem;border-radius:999px;background:#e2e8f0;color:#64748b;font-weight:950}
.activity-result{min-height:1.5rem;border-radius:.8rem;font-weight:900}.activity-result.success{background:#f0fdf4;border:1px solid #bbf7d0;color:#166534;padding:.75rem 1rem}.activity-result.try-again{background:#fff7ed;border:1px solid #fed7aa;color:#9a3412;padding:.75rem 1rem}
.safety-question{font-size:1.25rem;line-height:1.55;font-weight:900;background:#eff6ff;border:1px solid #bfdbfe;border-radius:1rem;padding:1rem 1.15rem}.choice{display:flex;align-items:center;gap:.75rem}.choice-letter{display:inline-flex;align-items:center;justify-content:center;flex:0 0 2rem;width:2rem;height:2rem;border-radius:999px;background:#e2e8f0;font-weight:950}.choice.correct .choice-letter{background:#22c55e;color:#fff}.choice.wrong .choice-letter{background:#ef4444;color:#fff}

@media(max-width:900px){.mission-track{grid-template-columns:1fr;gap:.5rem}.mission-arrow{transform:rotate(90deg);text-align:center;line-height:1}.mission-step{padding:.7rem .8rem}}
@media(max-width:640px){.step-banner{align-items:flex-start;padding:.9rem}.step-title-wrap{align-items:flex-start}.step-number{width:2.55rem;height:2.55rem;flex-basis:2.55rem;font-size:1.1rem}.step-title-wrap h2{font-size:1.2rem}.step-title-wrap p{font-size:.8rem}.step-status{font-size:.65rem;padding:.35rem .55rem}.mission-copy small{display:none}.mission-state{font-size:.62rem}.lesson-roadmap{padding:1rem}.flow-connector{height:2.3rem}}

/* KeyQuest v0.1.3 lesson depth + reliability */
.mission-track-four{grid-template-columns:1fr auto 1fr auto 1fr auto 1fr}
.practice-rounds{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.75rem}
.practice-round-chip{display:flex;flex-direction:column;align-items:flex-start;gap:.15rem;border:2px solid #e2e8f0;border-radius:1rem;background:#fff;padding:.8rem 1rem;text-align:left;transition:.18s ease}
.practice-round-chip b{font-size:.95rem}.practice-round-chip span{font-size:.72rem;color:#64748b;font-weight:800;text-transform:uppercase;letter-spacing:.04em}
.practice-round-chip.is-current{border-color:#3b82f6;background:#eff6ff;box-shadow:0 0 0 3px rgba(59,130,246,.07)}
.practice-round-chip.is-complete{border-color:#86efac;background:#f0fdf4}.practice-round-chip.is-complete span{color:#15803d}
.practice-round-chip.is-locked{opacity:.48;background:#f8fafc;cursor:not-allowed}
.practice-clock{display:inline-flex;align-items:center;gap:.35rem;align-self:flex-start;border-radius:999px;background:#dbeafe;color:#1d4ed8;padding:.45rem .8rem;font-size:.8rem;font-weight:900;white-space:nowrap}
.practice-clock span{font-variant-numeric:tabular-nums;font-size:1rem}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none!important}
.ready-pulse:not(:disabled){animation:kqReadyPulse 1.25s ease-in-out infinite}
@keyframes kqReadyPulse{0%,100%{box-shadow:0 0 0 0 rgba(37,99,235,.12)}50%{box-shadow:0 0 0 7px rgba(37,99,235,.08)}}
.falling-letter{line-height:1}.falling-letter.uppercase-target{color:#1d4ed8;text-shadow:0 2px 0 #bfdbfe}
.safety-focus{border-left:4px solid #2563eb;background:#f8fafc;border-radius:.75rem;padding:.8rem 1rem;color:#334155}

@media(max-width:900px){.mission-track-four{grid-template-columns:1fr}.mission-track-four .mission-arrow{display:block}.practice-rounds{grid-template-columns:1fr}}

/* KeyQuest v0.1.4 focus-line typing UI */
.typing-focus-shell{max-width:920px;margin:0 auto;border:2px solid #dbeafe;border-radius:1.15rem;background:#fff;padding:1rem;box-shadow:0 8px 24px rgba(37,99,235,.06)}
.focus-toolbar{display:flex;align-items:flex-start;justify-content:space-between;gap:1rem}
.focus-progress-row{display:flex;align-items:center;justify-content:space-between;gap:.75rem;margin-top:1rem;margin-bottom:.45rem}
.focus-label{font-size:.68rem;font-weight:950;letter-spacing:.12em;color:#1d4ed8;background:#dbeafe;border-radius:999px;padding:.32rem .6rem}
.focus-line-progress{font-size:.76rem;font-weight:900;color:#64748b}
.focus-target{display:flex;align-items:center;min-height:5.25rem;width:100%;border:2px solid #bfdbfe;border-radius:1rem;background:linear-gradient(180deg,#eff6ff 0%,#f8fafc 100%);padding:1rem 1.15rem;font-size:clamp(1.35rem,2.4vw,1.9rem);line-height:1.55;font-weight:850;letter-spacing:.025em;white-space:pre-wrap;overflow-wrap:break-word;word-break:normal}
.focus-target span.ok{color:#15803d}.focus-target span.bad{color:#b91c1c;background:#fee2e2;border-radius:.2rem}.focus-target span.cursor{border-bottom:4px solid #2563eb}
.focus-target-story{background:linear-gradient(180deg,#f8fafc 0%,#fff 100%);border-color:#cbd5e1}
.focus-input-wrap{position:relative;margin-top:.7rem}
.focus-input{display:block;width:100%;height:4.25rem;border:3px solid #cbd5e1;border-radius:1rem;background:#fff;padding:.75rem 4.5rem .75rem 1rem;font-size:clamp(1.25rem,2.2vw,1.75rem);font-weight:800;letter-spacing:.025em;outline:none;transition:border-color .15s,box-shadow .15s,background .15s}
.focus-input:focus{border-color:#3b82f6;box-shadow:0 0 0 4px rgba(59,130,246,.1)}
.focus-input.has-error{border-color:#f59e0b;background:#fffbeb}.focus-input.is-correct{border-color:#22c55e;background:#f0fdf4}
.focus-check{position:absolute;right:1rem;top:50%;transform:translateY(-50%);min-width:2.4rem;text-align:center;font-size:.8rem;font-weight:950;color:#64748b}
.focus-check.is-good{display:flex;align-items:center;justify-content:center;width:2.25rem;height:2.25rem;min-width:2.25rem;border-radius:999px;background:#22c55e;color:#fff;font-size:1.2rem}
.focus-check.has-error{color:#b45309}
.focus-help{margin-top:.55rem;text-align:center;font-size:.8rem;font-weight:700;color:#64748b}
.compact-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.65rem}.compact-stats .stat{padding:.7rem}.compact-stats .stat b{font-size:1.45rem}
.coach-card-inline{max-width:920px;margin-left:auto;margin-right:auto}.coach-inline-main{display:grid;grid-template-columns:minmax(0,1.8fr) auto auto;gap:1rem;align-items:center}.coach-keys{display:flex;flex-wrap:wrap;gap:.35rem;justify-content:center}.coach-goal{display:flex;flex-direction:column;align-items:flex-end;white-space:nowrap}.coach-goal span{font-size:.68rem;font-weight:950;text-transform:uppercase;letter-spacing:.06em;color:#92400e}.coach-goal b{font-size:.9rem;margin-top:.1rem}
.story-focus-shell{max-width:900px}
@media(max-width:760px){.focus-toolbar{flex-direction:column}.practice-clock{align-self:flex-start}.coach-inline-main{grid-template-columns:1fr}.coach-keys{justify-content:flex-start}.coach-goal{align-items:flex-start}.focus-target{min-height:4.8rem;font-size:1.25rem}.focus-input{height:3.9rem;font-size:1.2rem}.compact-stats .stat b{font-size:1.2rem}}
@media(max-width:480px){.typing-focus-shell{padding:.75rem}.focus-target{padding:.85rem;line-height:1.45}.focus-input{padding-left:.8rem;padding-right:3.8rem}.focus-line-progress{font-size:.68rem}.compact-stats{gap:.4rem}.compact-stats .stat{padding:.55rem .3rem}}