.sidebar{background:var(--surface);padding-top:34px}.nav-item.active{box-shadow:0 7px 16px #7655eb26}.nav-item small{font-size:10px;margin-left:auto}.planned-feature{opacity:.7;cursor:default}.planned-feature:hover{background:transparent;color:var(--muted)}.topbar{min-height:88px}.topbar button{font-size:12px}.theme-toggle{width:44px;padding:0;border-radius:999px}.theme-toggle .ui-icon{width:19px;height:19px}[tabindex="-1"]:focus{outline:none}.sidebar-bottom{background:var(--indigo-soft);border-color:var(--line)}
.home-page{padding-top:28px}.home-greeting{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:24px}.home-greeting h1{font-size:clamp(28px,3vw,38px);margin:0 0 4px;letter-spacing:-.03em}.streak-chip{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border-radius:999px;background:var(--streak-soft);color:var(--amber-ink);font-weight:700;font-size:14px;white-space:nowrap}.streak-chip .ui-icon{color:var(--streak);width:18px;height:18px}
.home-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,340px);gap:24px;align-items:start}.home-main{min-width:0}.home-rail{display:grid;gap:18px}.home-rail .learn-card{padding:22px}.home-page .teacher-callout{margin-top:32px}
.continue-card{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:28px 30px;border-radius:var(--radius-xl);background:linear-gradient(125deg,#5b3fd1,#7655eb 60%,#8f6ff2);color:#fff;overflow:hidden}.continue-copy{flex:1;min-width:0}.continue-kicker{margin:0 0 8px;font-size:11px;font-weight:700;letter-spacing:1.4px}.continue-card h2{margin:0 0 6px;font-size:clamp(22px,2.4vw,30px);color:#fff}.continue-card p{margin:0;color:#fff}.continue-detail{font-size:13px;margin-bottom:18px!important}.continue-card .primary-button{background:#fff;color:#5b3fd1}.continue-card .primary-button:hover{background:#f1edff}.continue-art{width:min(220px,34%);height:auto;flex-shrink:0}
.continue-progress{display:flex;align-items:center;gap:12px;margin:18px 0 6px;font-weight:700;font-size:13px}.continue-card progress{max-width:300px;background:#ffffff3d}.continue-card progress::-webkit-progress-bar{background:#ffffff3d}.continue-card progress::-webkit-progress-value{background:#fff}.continue-card progress::-moz-progress-bar{background:#fff}
.lesson-list{display:grid;gap:12px}.lesson-list-wide{grid-template-columns:repeat(2,minmax(0,1fr))}.lesson-row{display:flex;align-items:center;gap:16px;padding:16px 18px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);box-shadow:var(--shadow-card);color:var(--ink);text-decoration:none;transition:border-color var(--motion-fast),transform var(--motion-fast)}.lesson-row:hover{border-color:var(--action);transform:translateY(-2px)}.lesson-row-copy{flex:1;min-width:0;display:grid;gap:4px}.lesson-row-copy strong{font-size:15px}.lesson-row-copy .small-text{line-height:1.4}.lesson-row .area-icon,.practice-tile .area-icon{width:48px;height:48px;border-radius:14px}.lesson-row .area-icon .ui-icon,.practice-tile .area-icon .ui-icon{width:24px;height:24px}.row-chevron{color:var(--muted)}
.quick-practice{margin-top:28px}.quick-practice h2{margin:0 0 14px;font-size:20px}.practice-tiles{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.practice-tile{display:flex;flex-direction:column;align-items:center;gap:8px;padding:18px 10px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);color:var(--ink);text-decoration:none;font-size:13px;font-weight:700;text-align:center}a.practice-tile:hover{border-color:var(--action)}.practice-tile.is-planned{color:var(--muted);box-shadow:none;background:transparent;border-style:dashed}.practice-tile.is-planned .area-icon{opacity:.55}.practice-tile small{font-size:11px;font-weight:600;margin-top:-4px}
.goal-head{display:flex;align-items:center;gap:14px}.goal-head h2{margin:0;font-size:19px}.goal-head .eyebrow{margin:0 0 2px}.goal-icon{display:grid;place-items:center;flex-shrink:0;width:46px;height:46px;border-radius:14px;background:var(--streak-soft);color:var(--amber-ink)}.goal-card .continue-progress{margin:16px 0 4px}.challenge-card h3{font-size:17px;margin:4px 0 8px;line-height:1.45}.challenge-card .button-link{width:100%;margin-top:8px}.home-stats h2{font-size:19px;margin:0 0 12px}.home-stats dl{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin:0 0 14px}.home-stats dt{font-size:11px;color:var(--muted)}.home-stats dd{margin:2px 0 0;font-size:20px;font-weight:800}.home-stats a{font-size:13px;font-weight:700;text-decoration:none}
[data-theme=dark] .area-icon{background:color-mix(in srgb,var(--area-ink,var(--action)) 45%,var(--surface));color:#f4f2ff}
.study-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin-top:24px}.study-stats .learn-card{padding:22px;display:flex;flex-direction:column;gap:6px}.study-stats strong{font-size:32px;letter-spacing:-1px}.study-stats span{font-size:12px;color:var(--muted)}.learn-card{padding:28px;background:var(--surface);border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow-card);min-width:0}.learn-card h2{margin-top:8px}.learn-card p{color:var(--muted);line-height:1.8}.learn-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;margin:26px 0}.topic-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.topic-grid .learn-card{display:flex;flex-direction:column}.topic-grid p{font-size:13px;flex:1;margin:6px 0 20px}.lesson-card-top,.lesson-card-bottom{display:flex;align-items:center;justify-content:space-between;gap:12px}.lesson-card-bottom{margin-top:18px;flex-wrap:wrap}.lesson-card-bottom a{font-size:12px;font-weight:700;text-decoration:none}.lesson-symbol{display:grid;place-items:center;background:var(--indigo-soft);color:var(--action);width:46px;height:46px;border-radius:16px;font-size:15px;font-weight:800}.topic-grid h3{margin:20px 0 8px}progress{display:block;width:100%;height:7px;border:0;border-radius:8px;overflow:hidden;accent-color:var(--action);background:var(--surface-soft)}progress::-webkit-progress-bar{background:var(--surface-soft)}progress::-webkit-progress-value{background:var(--action);border-radius:8px}progress::-moz-progress-bar{background:var(--action);border-radius:8px}.teacher-callout{padding:28px;display:flex;align-items:center;justify-content:space-between;gap:24px;background:var(--indigo-soft);border-radius:24px}.teacher-callout h2{margin:0;font-size:22px}.teacher-callout p{color:var(--muted);max-width:640px}.profile-form{display:flex;flex-wrap:wrap;gap:14px;align-items:center}.profile-form input,.audio-control select{padding:10px 14px;border:1px solid var(--line-strong);border-radius:12px;background:var(--surface);color:var(--ink)}.profile-form label{font-size:13px;width:100%}.portuguese-help{margin:12px 0;color:var(--muted);font-size:13px}.portuguese-help summary{font-size:12px;font-weight:600}.portuguese-help p{padding:12px 16px;border-left:3px solid #a78bfa;background:var(--surface-soft);border-radius:0 10px 10px 0}.lesson-page{max-width:920px;margin:auto;padding-top:24px}.lesson-page>.learn-card{margin:24px 0}.lesson-page .example{border-top:1px solid var(--line);padding:18px 0}.audio-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px}.audio-text{padding:8px 12px;border-radius:10px;font-size:18px!important;color:var(--ink)!important}.audio-text.speaking{background:var(--indigo-soft);box-shadow:inset 3px 0 var(--action)}.audio-control{margin:16px 0}.audio-control select{font-size:12px}.exercise-options{padding:0;border:0;margin:22px 0}.exercise-options legend{font-size:12px;color:var(--muted);margin-bottom:12px}.exercise-option{display:flex;align-items:center;gap:14px;padding:17px 20px;border:1px solid var(--line);border-radius:16px;margin:10px 0;cursor:pointer;min-height:60px}.exercise-option:has(input:checked){border-color:var(--action);background:var(--indigo-soft)}.exercise-option input{width:19px;height:19px;min-height:19px;accent-color:var(--action);flex-shrink:0}.exercise-option input:disabled{opacity:1}.answer-feedback:not(:empty){padding:24px;border-radius:20px;background:var(--amber-soft);margin-top:22px;border:1px solid #ffb45460}.answer-feedback[data-correct=true]{background:var(--teal-soft);border-color:#20b88760}.answer-feedback h3{margin-top:0}.missed-answer{border-top:1px solid var(--line);padding:18px 0}.storage-notice{padding:14px 18px;border:1px solid #ffb454;border-radius:14px;background:var(--amber-soft);color:var(--amber-ink);font-size:13px}.results-hero{background:linear-gradient(120deg,#6040d1,#7655eb,#6f4ddc);border-radius:28px;color:white;overflow:hidden;position:relative}.results-hero .eyebrow,.results-hero .page-description,.results-hero .results-message{color:#f3efff}.results-trophy{animation:trophy-arrive .7s ease-out}.results-hero::after{content:'✦ · ✦ · ✦ · ✦';color:#ffd6a1;font-size:28px;letter-spacing:26px;position:absolute;top:16px;right:10px;opacity:.6;pointer-events:none;animation:confetti-drift 2s ease-out both}.results-hero .page-heading{position:relative;z-index:1}.result-team{border-radius:20px}
@keyframes trophy-arrive{from{transform:translateY(12px) scale(.8);opacity:0}to{transform:none;opacity:1}}@keyframes confetti-drift{from{transform:translateY(-35px);opacity:0}to{transform:translateY(12px);opacity:.6}}

[data-theme=dark] .primary-button{color:#171124}[data-theme=dark] .secondary-button,[data-theme=dark] .field input,[data-theme=dark] .field select,[data-theme=dark] .empty-state{background:var(--surface);color:var(--ink);border-color:var(--line-strong)}[data-theme=dark] .field>span,[data-theme=dark] .badge{color:var(--muted)}[data-theme=dark] :is(.dashboard-card,.topic-card,.activity-card,.filter-panel,.setup-panel,.team-name-row,.scoreboard-card,.result-team,.final-scores,.topic-overview,.topic-summary,.library-toolbar,.catalogue-panel){background:var(--surface);color:var(--ink);border-color:var(--line)}[data-theme=dark] .results-hero .page-heading h1{color:white}
@media(min-width:1500px){.main-content{padding-inline:60px}.home-page,.learn-page{max-width:1400px;margin:auto}}
@media(max-width:1100px){.topic-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.home-layout{grid-template-columns:1fr}.home-rail{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}.study-stats{gap:12px}.study-stats .learn-card{padding:18px}}
@media(max-width:800px){.sidebar{position:absolute;top:0;left:0;width:auto;height:64px;padding:10px 16px;border:0;background:transparent;flex-wrap:nowrap}.sidebar .main-nav{position:fixed;left:0;right:0;bottom:0;display:flex;flex-wrap:nowrap;justify-content:space-around;gap:2px;width:auto;margin:0;padding:6px 6px calc(6px + env(safe-area-inset-bottom));background:var(--surface);border-top:1px solid var(--line);box-shadow:0 -6px 24px #4c34aa14;z-index:20}.main-nav .nav-item{flex:1 1 0;flex-direction:column;justify-content:center;gap:3px;min-height:54px;padding:6px 2px;font-size:11px;border-radius:14px}.main-nav .nav-item small{display:none}.sidebar .main-nav .nav-item.active{background:var(--indigo-soft);color:var(--action);box-shadow:none}.topbar{min-height:64px;justify-content:flex-end;border-bottom:0}.breadcrumb{display:none}.main-content{padding-bottom:calc(var(--bottom-bar-height) + 24px + env(safe-area-inset-bottom))}.home-page{padding-top:8px}.lesson-list-wide{grid-template-columns:1fr}.continue-card{padding:24px}.learn-card{padding:22px}.study-stats{grid-template-columns:repeat(2,minmax(0,1fr))}.teacher-callout{align-items:start;flex-direction:column}.lesson-page{padding-top:20px}.results-hero::after{font-size:18px;letter-spacing:12px}}
@media(max-width:500px){.main-content{padding-inline:16px}.learn-grid,.topic-grid{grid-template-columns:1fr}.home-greeting h1{font-size:28px}.practice-tiles{grid-template-columns:repeat(2,minmax(0,1fr))}.continue-card{gap:12px}.continue-art{width:30%}.page-heading h1{font-size:30px}.topbar{gap:8px}.topbar button{padding:9px 12px}.learn-card{padding:20px}.study-stats strong{font-size:28px}.study-stats .learn-card{padding:17px}.audio-actions{gap:8px}.exercise-option{padding:14px}.profile-form input{width:100%}}
@media(prefers-reduced-motion:reduce){.results-trophy,.results-hero::after{animation:none}}

[data-theme=dark] :is(.catalog-card,.filter-form,.featured-activity,.mechanic-card,.teacher-preparation,.control-deck,.teacher-notes p,.mystery-score,.mystery-board-panel){background:var(--surface);color:var(--ink);border-color:var(--line)}
[data-theme=dark] .mystery-score[data-active=true]{background:var(--indigo-soft);outline-color:var(--action)}
[data-theme=dark] :is(.workspace-link,.level-card>p,.level-counts>span,.teacher-preparation>p,.teacher-preparation li){color:var(--muted)}
[data-theme=dark] :is(.level-card,.level-counts,.level-symbol){background:var(--surface-soft);border-color:var(--line)}
[data-theme=dark] .level-code{color:var(--action)}
[data-theme=dark] .dashboard-hero{background:#6040d1}
[data-theme=dark] .results-trophy{color:#ffd19b}
[data-theme=dark] .result-team[data-winner=true]{background:var(--indigo-soft)}

.results-hero .eyebrow,.results-hero .page-description,.results-hero .results-message{color:#ffffff}
[data-theme=dark] .nav-item.active{color:#171124}
.arena-title{display:flex;align-items:center;justify-content:center;gap:12px;text-align:left}.arena-title .eyebrow{justify-content:flex-start}.brand-symbol-inline{display:block;flex-shrink:0;height:auto}.arena-title .brand-symbol-inline{width:40px}.projection-mode .arena-title .brand-symbol-inline{width:34px}
.arena-signature{display:flex;align-items:center;justify-content:center;gap:8px;margin:8px 0 0;color:var(--ink);font-size:13px;font-weight:700}.arena-signature .brand-symbol-inline{width:28px}.arena-signature small{color:var(--muted);font-size:11px;font-weight:700}.arena-signature b{margin-left:.2em;letter-spacing:.2em}
.loading-state{display:grid;justify-items:center;gap:6px}.loading-state img{width:64px;height:auto;animation:brand-breathe 1.6s ease-in-out infinite}@keyframes brand-breathe{50%{transform:scale(1.06) rotate(-3deg)}}
@media(max-width:600px){.arena-title .brand-symbol-inline{width:32px}}
@media(prefers-reduced-motion:reduce){.loading-state img{animation:none}}
.nav-label-short{display:none}@media(max-width:800px){.main-nav .nav-label-short{display:inline}.main-nav .nav-label-long{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}}