.teen-site{--teen-paper:#f7f3e9;--teen-dark:#153d47;background:var(--teen-paper)}
.teen-label{display:block;font-size:.76rem;font-weight:800;text-transform:uppercase;letter-spacing:.12em;margin-bottom:14px}.teen-home-hero{background:#b8ceae;border-bottom:4px solid var(--teal);padding:52px 0 28px;overflow:hidden}.teen-hero-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:44px;align-items:center}.teen-home-hero h1{font-family:Arial,sans-serif;letter-spacing:-.075em;line-height:.93;font-weight:900;font-size:clamp(4rem,9vw,7.5rem);margin:0 0 26px}.teen-home-hero h1 span{display:block;color:var(--teal);text-shadow:3px 3px 0 var(--coral)}.teen-tagline{font-size:clamp(1.4rem,2.8vw,2rem);line-height:1.3;font-weight:800;margin:0 0 20px}.teen-home-hero figure{margin:0;position:relative;transform:rotate(2deg);border:3px solid var(--teal);box-shadow:10px 10px 0 var(--teal)}.teen-home-hero figure img{width:100%;height:auto}.teen-sticker{position:absolute;right:-14px;bottom:18px;background:var(--coral);color:var(--teal-deep);padding:12px 18px;font-weight:900;line-height:1.2;transform:rotate(-6deg);border:2px solid var(--teal);box-shadow:4px 4px 0 var(--teal)}.teen-intro{padding:25px 0}.teen-filter{display:grid;grid-template-columns:2fr 1fr;gap:18px}.teen-filter label{font-weight:700}.teen-filter input,.teen-filter select{display:block;width:100%;padding:13px;border:2px solid var(--teal);background:white;border-radius:0;margin-top:5px}.teen-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin:20px 0 48px}.teen-card{border:2px solid var(--teal);background:#fffefa;box-shadow:5px 5px 0 #b8ceae;padding:24px;position:relative;display:flex;flex-direction:column;min-width:0}.teen-card:nth-child(3n+2){box-shadow:5px 5px 0 var(--coral)}.teen-card-number{font-size:2.4rem;font-weight:900;line-height:1;color:#799681;display:block;margin-bottom:14px}.teen-card h2{font-size:1.5rem;line-height:1.2;margin:0 0 15px}.teen-card h2 a{text-decoration:none}.teen-card h2 a:hover{text-decoration:underline}.teen-card-link{margin-top:auto;padding-top:18px;font-weight:800;border-top:2px dashed #b8ceae}.teen-card .teen-label{font-size:.68rem}.teen-card p{margin:0 0 16px}.teen-about{margin-bottom:48px}.teen-lesson-hero{padding:36px 0;background:var(--teal-deep);color:var(--teen-paper);border-bottom:7px solid var(--coral)}.teen-back{display:inline-block;margin-bottom:20px}.teen-lesson-hero h1{font-family:Arial,sans-serif;font-weight:900;font-size:clamp(2.1rem,5vw,4rem);line-height:1.08;letter-spacing:-.045em;max-width:1000px;margin:0 0 18px;color:var(--teen-paper)}.teen-lesson-hero .lead{color:var(--sage);font-size:1.5rem;font-weight:700}.teen-lesson-hero .btn-light{color:var(--teal)}.teen-jumps{display:flex;gap:9px;flex-wrap:wrap;padding:22px 0}.teen-jumps a{padding:5px 12px;border:1px solid var(--teal);background:white;font-size:.86rem;font-weight:700;text-decoration:none}.teen-jumps a:hover{background:var(--sage)}.teen-layout{display:grid;grid-template-columns:minmax(0,1fr) 175px;gap:25px;align-items:start}.teen-content{min-width:0}.teen-panel{position:relative;background:#fffefa;border:2px solid var(--teal);padding:28px;margin:0 0 27px;scroll-margin-top:160px}.teen-panel h2{font-family:Arial,sans-serif;letter-spacing:-.03em;line-height:1.2;margin:0 0 18px;font-size:1.85rem}.teen-panel h3{font-size:1.2rem;margin:20px 0 10px}.teen-panel p{max-width:75ch}.teen-stamp{float:right;margin:-12px -12px 5px 15px;border:2px solid var(--teal);background:var(--sage);font-size:.8rem;font-weight:900;padding:5px 9px;transform:rotate(5deg)}.teen-callout{padding:20px;background:#e9f0e4;border-left:5px solid var(--coral);margin:22px 0}.teen-callout p:last-child{margin-bottom:0}.teen-words{display:grid;grid-template-columns:1fr 1fr;gap:12px}.teen-word{border:1px solid var(--line);padding:13px;background:var(--teen-paper)}.teen-word summary{font-weight:800;cursor:pointer}.teen-word a{font-size:.8rem}.teen-quiz{border:0;border-bottom:1px solid var(--line);padding:10px 0;margin:0 0 18px;min-width:0}.teen-quiz legend{font-weight:800;padding:0}.teen-quiz label{display:block;padding:8px 10px;cursor:pointer}.teen-quiz label:has(input:checked){background:var(--sage-light)}.quiz-feedback{font-weight:700}.teen-dilemmas{display:grid;grid-template-columns:1fr 1fr;gap:14px;padding-left:20px}.teen-dilemmas li{padding:12px;background:var(--teen-paper)}.teen-dilemmas p{font-size:.8rem;margin-bottom:0}.teen-twist{padding:16px;background:#ffe9df;margin:18px 0;border:1px dashed var(--teal)}.teen-twist summary{cursor:pointer;font-weight:800}.teen-timer{position:sticky;top:135px;background:var(--sage);padding:16px;border:2px solid var(--teal);text-align:center}.teen-timer select{width:100%;padding:6px;margin:6px 0}.teen-timer output{font-size:2rem;font-weight:900;display:block}.teen-timer button{border:1px solid var(--teal);padding:5px 9px;background:white;margin:4px 0}.team-scores{display:flex;gap:12px;flex-wrap:wrap;align-items:end}.team-scores>div{flex:1;min-width:135px;padding:12px;background:var(--sage-light);font-weight:800}.team-scores output{display:block;font-size:2rem}.team-scores .btn{font-size:.78rem;padding:7px}.game-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.game-tile{min-height:90px;font-size:1.9rem;font-weight:900;background:var(--teal);color:var(--teen-paper);border:0;padding:10px}.game-tile small{display:block;font-size:.65rem;letter-spacing:.03em}.game-tile:disabled{background:#e4e9df;color:#62726b;text-decoration:line-through;cursor:default}.teen-game-dialog{max-width:650px;width:calc(100% - 32px);padding:25px;border:3px solid var(--teal);background:var(--teen-paper);max-height:85vh;overflow:auto}.teen-game-dialog::backdrop{background:#10333cc7}.teen-panel textarea{display:block;width:100%;padding:12px;border:1px solid var(--teal);margin:10px 0}.teen-present-bar{position:fixed;top:0;left:0;width:100%;z-index:1600;background:var(--teal-deep);color:white;display:flex;align-items:center;gap:10px;padding:12px 20px;flex-wrap:wrap}.teen-present-bar button,.teen-present-bar select{padding:7px 10px;border:0;background:var(--teen-paper);color:var(--teal);max-width:100%}.teen-presenting{overflow:hidden}.teen-presenting .site-header,.teen-presenting .footer,.teen-presenting .teen-jumps,.teen-presenting .teen-lesson-hero,.teen-presenting .teacher-only{display:none}.teen-presenting [data-stage]{display:none}.teen-presenting [data-stage].present-current{display:block;position:fixed;inset:83px 200px 20px 20px;z-index:1500;overflow:auto;margin:0;padding:35px;font-size:1.2rem;scroll-margin:0}.teen-presenting .teen-timer{position:fixed;right:15px;top:95px;z-index:1501;width:165px}.teen-presenting .present-current h2{font-size:2.25rem}.teen-presenting .read-controls{display:none}.teen-presenting .present-reading [data-article]>p{display:none}.teen-presenting .present-reading [data-article]>p.present-paragraph{display:block;font-size:clamp(1.2rem,2.5vw,1.8rem);line-height:1.6;max-width:50ch}.teen-presenting .present-reading>p{display:none}.teen-presenting .teacher-controls{z-index:1700}.teen-presenting dialog[open]{z-index:1800}.teen-presenting .teen-game-dialog{font-size:1.25rem}.teen-present-counter{margin-left:auto;white-space:nowrap}
@media(max-width:950px){.teen-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.teen-hero-grid{gap:25px}.teen-layout{grid-template-columns:minmax(0,1fr)}.teen-timer{position:static;margin-bottom:30px;display:flex;gap:12px;align-items:center;flex-wrap:wrap}.teen-timer label{display:flex;align-items:center;gap:10px}.teen-timer select{width:auto}.teen-timer output{font-size:1.4rem}.teen-presenting [data-stage].present-current{inset:130px 12px 85px;padding:22px}.teen-presenting .teen-timer{top:auto;bottom:0;right:0;width:100%;margin:0;padding:8px;justify-content:center;gap:10px}.teen-presenting .teen-timer label{font-size:.8rem}.teen-presenting .teen-timer select{margin:0}.teen-present-bar{padding:8px 12px;gap:7px}.teen-present-bar select{max-width:150px}}
@media(max-width:600px){.teen-home-hero{padding:32px 0}.teen-hero-grid{grid-template-columns:1fr;gap:30px}.teen-home-hero h1{font-size:4.5rem}.teen-home-hero figure{width:85%;margin:0 auto 12px}.teen-grid{grid-template-columns:1fr;gap:20px}.teen-filter{grid-template-columns:1fr;gap:12px}.teen-panel{padding:20px}.teen-words,.teen-dilemmas{grid-template-columns:1fr}.game-grid{grid-template-columns:repeat(3,1fr)}.teen-lesson-hero .btn-row{align-items:stretch}.teen-lesson-hero .btn-row>*{width:100%;text-align:center}.teen-stamp{margin:-8px -8px 4px 10px}.teen-panel h2{font-size:1.55rem}.teen-present-counter{font-size:.8rem}.teen-presenting .present-current h2{font-size:1.7rem}.teen-presenting [data-stage].present-current{font-size:1rem}.teen-presenting .game-tile{min-height:65px}.teen-presenting .present-reading [data-article]>p.present-paragraph{font-size:1.12rem}.teen-presenting .teen-timer{gap:6px}.teen-presenting .teen-timer button{font-size:.8rem}}
@media print{.site-header,.footer,.teen-jumps,.teen-timer,.btn-row,.read-controls,.teacher-only,.game-grid,.team-scores,dialog,.teen-present-bar{display:none!important}.teen-panel{border:0;padding:0;margin-bottom:24px;break-inside:auto}.teen-panel h2,.teen-panel h3{break-after:avoid}.teen-quiz,.teen-word,.teen-dilemmas li{break-inside:avoid}.teen-lesson-hero{background:white;color:#173d47;border:0}.teen-lesson-hero h1,.teen-lesson-hero .lead{color:#173d47}.teen-layout{display:block}.teen-stamp{display:none}}

.teen-present-root{position:fixed;inset:0;z-index:1400;background:var(--teen-paper)}.teen-presenting .teen-present-root .teacher-controls{display:flex!important;gap:8px;flex-wrap:wrap}.teen-presenting .teen-present-root .teacher-controls button{padding:7px 10px}.teen-present-root .teacher-tools-menu,.teen-present-root .teacher-notes-panel{z-index:1750}.teen-present-root .presenter-bottom{bottom:auto;top:0}.teen-presenting .teen-present-root .present-current{z-index:1500}.teen-presenting .teacher-notes-panel h2{font-family:Arial,sans-serif}

.teen-presenting [data-stage].present-current{top:var(--teen-present-top,83px)}@media(max-width:600px){.teen-present-bar{font-size:.8rem}.teen-present-bar button,.teen-present-bar select{padding:5px 7px}.teen-present-bar select{max-width:125px}.teen-present-bar label{white-space:nowrap}}

/* Editorial story images and unmistakable teen-edition labelling. */
.teen-card-cover{display:block;position:relative;margin:-24px -24px 20px;overflow:hidden;aspect-ratio:16/10;background:#dbe8e0}
.teen-card-cover img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .2s ease}
.teen-card-cover:hover img,.teen-card-cover:focus-visible img{transform:scale(1.025)}
.teen-card-type{position:absolute;left:14px;bottom:14px;background:#173d47;color:#fffefa;font-size:.78rem;font-weight:900;letter-spacing:.09em;padding:9px 12px;border:2px solid #fffefa;box-shadow:3px 3px 0 #d76a55}
.teen-lesson-kicker{display:inline-block;background:#d76a55;color:#102f37;padding:7px 13px;margin:0 0 15px;font-size:.83rem;font-weight:900;letter-spacing:.1em;transform:rotate(-2deg);border:2px solid #f7f3e9}
@media(max-width:600px){.teen-card-cover{margin:-24px -24px 18px;aspect-ratio:16/9}}
@media print{.teen-card-cover img{height:auto}}

/* Mobile reading comfort, downloadable narration and topic-specific speaking missions. */
.teen-narration{display:flex;flex-direction:column;align-items:flex-start;gap:9px;padding:17px 18px;margin:16px 0 22px;background:#eaf0e5;border-left:5px solid var(--coral);max-width:660px}
.teen-narration audio{display:block;width:100%;max-width:100%;min-width:0}
.teen-narration a{font-weight:800;text-decoration:underline;text-underline-offset:3px}
.teen-narration .small{line-height:1.4}
.teen-mini-mission{padding:20px 22px;margin-bottom:25px;background:#edf2e9;border:2px dashed var(--teal)}
.teen-mini-mission h3{margin:6px 0 10px;font-size:1.3rem}
.teen-mini-mission p{margin:0}
.teen-mission-label{font-size:.74rem;font-weight:900;text-transform:uppercase;letter-spacing:.08em}
@media(max-width:600px){
 .teen-home-hero h1{font-size:clamp(3.05rem,14vw,4.5rem);overflow-wrap:anywhere}
 .teen-home-hero figure{max-width:360px}
 .teen-lesson-hero .lead{font-size:1.22rem}
 .teen-jumps{flex-wrap:nowrap;overflow-x:auto;overscroll-behavior-x:contain;scroll-snap-type:x proximity;padding-bottom:15px}
 .teen-jumps a{flex:0 0 auto;scroll-snap-align:start}
 .teen-panel,.teen-content,.teen-layout{min-width:0;overflow-wrap:break-word}
 .teen-narration{padding:14px;margin:12px 0 20px}
 .teen-mini-mission{padding:16px}
 .teen-lesson-hero .btn-row>*{white-space:normal}
 .teen-game-dialog{max-width:calc(100vw - 24px)}
}