/* FLIPIN 3.2 · mobile/tablet-first stylesheet (no build step).
   Principles: ≥44px targets, visible focus, no horizontal scroll from 320px,
   nothing hidden under the fixed kid navigation, reduced motion respected.
   Flipi's artwork (assets/img/flipi.svg) is unchanged. */

:root{
  --bg:#f6f7ff;--card:#fff;--ink:#1f2340;--muted:#565e7d;--line:#dfe3f3;
  --brand:#5b45e6;--brand-dark:#4330c4;--brand-soft:#efedff;
  --pink:#d63384;--green:#137a52;--green-bg:#e5f7ef;--yellow:#ffd466;
  --red:#b42335;--red-bg:#fde9ec;--warn-bg:#fff6df;--warn:#7a5200;
  --accent:#5b45e6;
  --radius:22px;--radius-sm:14px;--shadow:0 10px 30px rgba(40,44,96,.09);
  --tap:48px;--nav-h:74px;
  --safe-b:env(safe-area-inset-bottom,0px);
  --focus:0 0 0 3px #fff,0 0 0 6px #1d4ed8;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}
body{margin:0;background:var(--bg);color:var(--ink);font:400 1rem/1.5 ui-rounded,"SF Pro Rounded","Nunito","Segoe UI",system-ui,-apple-system,Arial,sans-serif;overflow-x:hidden;min-height:100vh;display:flex;flex-direction:column}
img{max-width:100%;height:auto}
a{color:var(--brand-dark)}
h1,h2,h3{line-height:1.2;margin:0 0 .5rem;overflow-wrap:anywhere}
h1{font-size:clamp(1.55rem,5.5vw,2.3rem)}
h2{font-size:clamp(1.2rem,4.2vw,1.55rem)}
h3{font-size:1.1rem}
p{margin:0 0 .75rem}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:none;box-shadow:var(--focus);border-radius:10px}
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip-link{position:absolute;left:8px;top:-60px;z-index:100;background:#fff;color:var(--ink);padding:12px 16px;border-radius:12px;font-weight:800}
.skip-link:focus{top:8px}
.center{text-align:center}
.small-note{font-size:.9rem;color:var(--muted)}
.lead{font-size:1.1rem}
.where{margin:0 0 .6rem;font-size:.95rem;color:var(--muted);font-weight:700}
.where a{display:inline-flex;align-items:center;min-height:var(--tap);font-weight:800}
.eyebrow{display:inline-block;font-size:.78rem;font-weight:900;letter-spacing:.06em;color:var(--brand-dark);text-transform:uppercase;margin-bottom:.35rem}
.big-emoji{font-size:3.4rem;line-height:1;margin-bottom:.5rem}
.loading{color:var(--muted);text-align:center;padding:2rem 0}
.loading::before{content:"";display:inline-block;width:1em;height:1em;margin-right:.5em;vertical-align:-.15em;border:3px solid var(--line);border-top-color:var(--brand);border-radius:50%}
@media (prefers-reduced-motion:no-preference){.loading::before{animation:spin .9s linear infinite}}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---------- layout ---------- */
.page-wrap{width:100%;max-width:1120px;margin:0 auto;padding:16px 16px 40px;flex:1}
.kid-mode .page-wrap{padding-bottom:calc(var(--nav-h) + 32px + var(--safe-b))}
.two-col,.grid-2,.grid-3,.card-grid,.admin-grid{display:grid;gap:14px;grid-template-columns:1fr;margin:14px 0}
@media (min-width:720px){.two-col,.grid-2,.admin-grid{grid-template-columns:1fr 1fr}.grid-3,.card-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1000px){.grid-3,.card-grid{grid-template-columns:repeat(3,1fr)}}
.card,.panel,.admin-panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow);min-width:0}
.panel{margin:14px 0}
.stack{display:flex;flex-direction:column;gap:12px}
.cta-row,.action-row,.hero-actions,.completion-actions,.celebration-actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:10px}
.cta-stack{display:flex;flex-direction:column;gap:10px;margin-top:14px}
.cta-row>*,.action-row>*{flex:1 1 auto}
.row-form{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:8px 0;border-bottom:1px solid var(--line)}
.row-form>span{flex:1 1 180px;min-width:0;overflow-wrap:anywhere}
.row-form .grow{flex:1 1 150px}
.plain-list{list-style:none;margin:0;padding:0}
.plain-list li{padding:6px 0}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;max-width:100%;border-radius:var(--radius-sm)}
table{border-collapse:collapse;width:100%;font-size:.95rem}
th,td{padding:10px 8px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
th small,td small{display:block;color:var(--muted);font-weight:500}
.admin-panel table{display:block;overflow-x:auto}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:40;display:flex;flex-wrap:wrap;align-items:center;gap:6px 10px;padding:8px 16px;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line)}
@supports (backdrop-filter:blur(8px)){.site-header{background:rgba(255,255,255,.88);backdrop-filter:blur(12px)}}
.brand{display:inline-flex;align-items:center;gap:8px;min-height:var(--tap);font-weight:900;letter-spacing:.04em;color:var(--ink);text-decoration:none;font-size:1.15rem}
.brand img{width:40px;height:40px}
.origin-link{display:none;font-size:.78rem;font-weight:800;color:var(--brand-dark);background:var(--brand-soft);padding:6px 10px;border-radius:999px;text-decoration:none;white-space:nowrap}
@media (min-width:600px){.origin-link{display:inline-block}}
.top-nav{display:flex;flex-wrap:wrap;gap:4px;margin-left:auto;align-items:center}
.top-nav a{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:var(--tap);min-width:var(--tap);padding:6px 10px;border-radius:12px;color:var(--ink);font-weight:750;text-decoration:none;font-size:.95rem}
.top-nav a:hover{background:var(--brand-soft)}
.top-nav a[aria-current="page"]{background:var(--brand-soft);color:var(--brand-dark)}
.top-nav .nav-cta{background:var(--brand);color:#fff}
.adult-mode .top-nav{order:3;width:100%;margin-left:0;overflow-x:auto;flex-wrap:nowrap;-webkit-overflow-scrolling:touch}
@media (min-width:860px){.adult-mode .top-nav{order:0;width:auto;margin-left:auto;overflow:visible}}
.adult-mode .top-nav a{flex:0 0 auto}
@media (max-width:599px){.kid-mode .top-nav a span:last-child{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}}
.adult-zone-link{border:1px dashed var(--line)}
.score-chips{display:flex;gap:6px;margin-left:auto}
.chip-stat{display:inline-flex;align-items:center;gap:4px;background:var(--brand-soft);border-radius:999px;padding:5px 9px;font-size:.9rem;white-space:nowrap}
.header-logout-form{margin:0}
.header-logout{min-height:var(--tap);border:1px solid var(--line);background:#fff;border-radius:12px;padding:6px 10px;font-weight:750}
.header-logout:hover{background:var(--red-bg)}
@media (max-width:420px){.kid-mode .score-chips{order:3;width:100%;margin-left:0;justify-content:center}.kid-mode .brand span{display:none}}

.offline-banner{background:#212638;color:#fff;text-align:center;padding:10px 16px;font-weight:700}
.offline-banner[hidden]{display:none}
.flash{max-width:1088px;margin:12px auto 0;width:calc(100% - 32px);padding:12px 16px;border-radius:var(--radius-sm);font-weight:700}
.flash.success{background:var(--green-bg);color:var(--green);border:1px solid #b6e6cf}
.flash.error{background:var(--red-bg);color:var(--red);border:1px solid #f4bcc4}

/* ---------- kid bottom navigation ---------- */
.kid-bottom-nav{position:fixed;left:0;right:0;bottom:0;z-index:45;display:grid;grid-template-columns:repeat(3,1fr);gap:6px;padding:8px 10px calc(8px + var(--safe-b));background:#fff;border-top:1px solid var(--line);box-shadow:0 -6px 20px rgba(40,44,96,.08)}
.kid-bottom-nav a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;min-height:56px;border-radius:16px;text-decoration:none;color:var(--ink);font-size:.85rem}
.kid-bottom-nav a span{font-size:1.45rem;line-height:1}
.kid-bottom-nav a[aria-current="page"]{background:var(--brand-soft);color:var(--brand-dark)}
.kid-bottom-nav .kid-map-button{background:var(--brand);color:#fff}
.kid-bottom-nav .kid-map-button[aria-current="page"]{background:var(--brand-dark);color:#fff}
@media (min-width:900px){.kid-bottom-nav{left:50%;right:auto;transform:translateX(-50%);width:520px;bottom:12px;border-radius:24px;border:1px solid var(--line);padding:8px}.kid-mode .page-wrap{padding-bottom:calc(var(--nav-h) + 48px)}}
.modal-open .kid-bottom-nav{visibility:hidden}

/* ---------- footer ---------- */
.site-footer{display:flex;flex-wrap:wrap;gap:10px 20px;align-items:center;justify-content:space-between;padding:20px 16px;border-top:1px solid var(--line);background:#fff;font-size:.92rem}
.site-footer div span{display:block;color:var(--muted)}
.site-footer nav{display:flex;flex-wrap:wrap;gap:4px}
.site-footer nav a{display:inline-flex;align-items:center;min-height:44px;padding:0 8px;color:var(--muted)}
.footer-origin{font-weight:800;color:var(--brand-dark)}
.kid-footer{justify-content:center;padding-bottom:calc(var(--nav-h) + 20px + var(--safe-b));color:var(--muted)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:var(--tap);padding:10px 18px;border-radius:16px;border:2px solid transparent;font-weight:850;text-decoration:none;text-align:center;line-height:1.2;color:var(--ink);background:#fff;touch-action:manipulation;-webkit-tap-highlight-color:transparent;user-select:none}
.btn.primary{background:var(--brand);color:#fff}
.btn.primary:hover{background:var(--brand-dark)}
.btn.soft{background:var(--brand-soft);color:var(--brand-dark)}
.btn.ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.btn.white{background:#fff;color:var(--brand-dark)}
.btn.green{background:var(--green);color:#fff}
.btn.danger{background:var(--red);color:#fff}
.btn.wide{width:100%}
.btn.xl{min-height:60px;font-size:1.15rem;border-radius:20px;padding:14px 22px}
.btn.small{min-height:44px;padding:6px 12px;font-size:.92rem}
.btn[disabled]{opacity:.55;cursor:not-allowed}
.btn.ready{background:var(--green);color:#fff}
@media (prefers-reduced-motion:no-preference){.btn.ready{animation:pulse 1.6s ease-in-out 3}.btn:active:not([disabled]){transform:scale(.98)}}
@keyframes pulse{50%{box-shadow:0 0 0 10px rgba(19,122,82,.18)}}
.link-button{background:none;border:0;color:var(--brand-dark);text-decoration:underline;min-height:44px;padding:0 6px;font-weight:700}
.inline-cta{display:inline-flex;align-items:center;min-height:44px;font-weight:800}
.hold-button{position:relative;overflow:hidden;touch-action:none;-webkit-touch-callout:none}
.hold-button .hold-fill{position:absolute;left:0;top:0;bottom:0;width:0;background:rgba(91,69,230,.22)}
.hold-button .hold-label{position:relative}

/* ---------- forms ---------- */
label{display:flex;flex-direction:column;gap:6px;font-weight:750}
label small{font-weight:500;color:var(--muted)}
input,select,textarea{width:100%;min-height:var(--tap);padding:10px 12px;border:2px solid var(--line);border-radius:12px;background:#fff;font-size:1rem}
input:focus,select:focus,textarea:focus{border-color:var(--brand);outline:none;box-shadow:0 0 0 3px rgba(91,69,230,.2)}
textarea{min-height:120px}
.textarea-lg{min-height:320px}
input[name="code"]{text-transform:uppercase;letter-spacing:.12em;font-weight:800}
.check{flex-direction:row;align-items:flex-start;gap:10px;font-weight:500}
.check input{width:24px;height:24px;min-height:24px;margin-top:2px;flex:0 0 auto}
.auth-shell{display:flex;justify-content:center;padding:8px 0}
.auth-card{width:100%;max-width:480px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.auth-foot{margin-top:12px;text-align:center}
.auth-foot a{display:inline-flex;align-items:center;min-height:44px}
.gate-card{text-align:center}
.gate-form{margin-top:18px;padding-top:14px;border-top:1px dashed var(--line)}
.danger-zone{margin-top:12px;border-top:1px solid var(--line);padding-top:8px}
.danger-zone summary,details.panel summary{min-height:44px;display:flex;align-items:center;cursor:pointer;font-weight:800}
.danger-panel{border-color:#f4bcc4}

/* ---------- feedback ---------- */
.feedback{display:none;margin:12px 0;padding:12px 14px;border-radius:var(--radius-sm);font-weight:700}
.feedback.show{display:block}
.feedback.good{background:var(--green-bg);color:var(--green)}
.feedback.try{background:var(--warn-bg);color:var(--warn)}
.status-pill{display:inline-flex;align-items:center;gap:4px;min-height:32px;padding:4px 10px;border-radius:999px;font-size:.85rem;font-weight:800;white-space:nowrap;background:var(--brand-soft);color:var(--brand-dark)}
.status-pill.ok{background:var(--green-bg);color:var(--green)}
.status-pill.locked{background:#eef0f6;color:var(--muted)}
.status-pill.now{background:var(--warn-bg);color:var(--warn)}
.founder-badge{display:inline-block;background:linear-gradient(90deg,#fff1c7,#ffe0f0);color:#6b3b00;border-radius:999px;padding:4px 10px;font-size:.82rem;font-weight:900;margin:2px 0 8px}
.new-tag{display:inline-block;background:var(--pink);color:#fff;border-radius:999px;padding:1px 8px;font-size:.72rem;vertical-align:middle}

/* ---------- progress ---------- */
.progress-block{margin:12px 0}
.progress-label{display:flex;justify-content:space-between;gap:8px;font-size:.9rem;font-weight:750;margin-bottom:4px}
.progress-track{height:14px;border-radius:999px;background:#e8eaf6;overflow:hidden}
.progress-track span{display:block;height:100%;background:linear-gradient(90deg,var(--accent),var(--brand));border-radius:999px;min-width:6px}
.mission-dots{display:inline-flex;gap:5px;vertical-align:middle}
.mission-dots i{width:14px;height:14px;border-radius:50%;background:#dcdff0;border:2px solid #c4c8e0}
.mission-dots i.on{background:var(--green);border-color:var(--green)}
.mission-line{display:flex;align-items:center;gap:8px;font-weight:750;font-size:.95rem}
.progress-ring{--p:0;width:110px;height:110px;border-radius:50%;display:grid;place-items:center;background:conic-gradient(var(--brand) calc(var(--p)*1%),#e8eaf6 0)}
.progress-ring>div{width:82px;height:82px;border-radius:50%;background:#fff;display:grid;place-items:center;text-align:center;font-size:.75rem}
.skill-stars{color:#b77900;letter-spacing:2px;font-size:1.1rem}
.game-progress{display:flex;gap:5px;justify-content:center;flex-wrap:wrap;margin-bottom:8px}
.game-progress i{width:22px;height:8px;border-radius:99px;background:#e1e4f3}
.game-progress i.on{background:var(--accent)}

/* ---------- kid: dashboard ---------- */
.page-intro{margin:6px 0 12px}
.page-intro p{color:var(--muted);max-width:60ch}
.hello-card{display:flex;align-items:center;gap:14px;margin:4px 0 12px}
.hello-flipi{width:72px;height:72px;flex:0 0 auto}
@media (min-width:600px){.hello-flipi{width:96px;height:96px}}
.hello-card .lead{margin:0;color:var(--muted)}
.next-card{--accent:var(--brand);background:#fff;border:3px solid var(--accent);border-radius:26px;padding:18px;box-shadow:var(--shadow);margin:12px 0}
.next-card-body{display:flex;gap:14px;align-items:center;margin:4px 0 14px}
.next-icon{flex:0 0 auto;width:64px;height:64px;border-radius:20px;display:grid;place-items:center;font-size:2.2rem;background:var(--brand-soft)}
.next-card h2{margin-bottom:.25rem}
.next-card p{margin:0 0 .3rem;color:var(--muted)}
.done-card{border-color:var(--green);text-align:center}
.task-list{list-style:none;padding:0;margin:0}
.task{display:flex;align-items:center;gap:10px;padding:10px 0;border-bottom:1px solid var(--line)}
.task:last-child{border-bottom:0}
.task>div{flex:1;min-width:0}
.task b{display:block;overflow-wrap:anywhere}
.task small{color:var(--muted)}
.task-icon{font-size:1.6rem;width:40px;text-align:center;flex:0 0 auto}
.task.done b{text-decoration:line-through;text-decoration-color:rgba(0,0,0,.25)}
.task-note{font-size:.88rem;color:var(--muted);padding:0 0 8px 50px;list-style:none}
.class-missions{border:2px solid #f0c64f;background:#fffbef}
.badge-row{list-style:none;padding:0;margin:0 0 10px;display:flex;flex-wrap:wrap;gap:8px}
.badge-row li{display:flex;align-items:center;gap:6px;background:var(--brand-soft);border-radius:999px;padding:6px 12px;font-size:.9rem}
.badge-row li span{font-size:1.3rem}
.profile-grid{display:grid;gap:14px;grid-template-columns:repeat(auto-fill,minmax(min(100%,240px),1fr));margin:12px 0}
.profile-card{text-align:center;display:flex;flex-direction:column;align-items:center;gap:6px}
.profile-card>form,.profile-card>.btn{width:100%;margin-top:auto}
.profile-flipi{width:84px;height:84px}
.profile-plus{width:84px;height:84px;border-radius:50%;display:grid;place-items:center;font-size:3rem;background:var(--brand-soft);color:var(--brand-dark)}
.family-card{text-align:left;align-items:stretch}
.family-card .profile-flipi,.family-card h2,.family-card>p{align-self:center;text-align:center}
.family-classes{width:100%;margin-top:10px;border-top:1px solid var(--line);padding-top:8px}
.family-classes h3{font-size:1rem;margin:4px 0}

/* ---------- kid: map ---------- */
.world-map{display:flex;flex-direction:column;gap:16px}
.world{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow)}
.world.locked{background:#f6f7fb}
.world.done{border-color:#9fd9bf}
.world-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.world-title{flex:1 1 160px;min-width:0}
.world-title h2{margin:0}
.world-number{width:52px;height:52px;border-radius:16px;display:grid;place-items:center;font-size:1.5rem;font-weight:900;background:var(--brand);color:#fff;flex:0 0 auto}
.world.locked .world-number{background:#9aa0b8}
.node-list{list-style:none;margin:10px 0 0;padding:0;display:grid;gap:8px;grid-template-columns:1fr}
@media (min-width:720px){.node-list{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1100px){.node-list{grid-template-columns:repeat(3,1fr)}}
.node-link{display:flex;align-items:center;gap:10px;min-height:64px;padding:10px 12px;border-radius:16px;border:2px solid var(--line);background:#fff;text-decoration:none;color:var(--ink);height:100%}
a.node-link:hover{border-color:var(--brand)}
.node-icon{font-size:1.8rem;width:44px;text-align:center;flex:0 0 auto}
.node-text{flex:1;min-width:0}
.node-text b{display:block;overflow-wrap:anywhere}
.node-text small{display:block;color:var(--muted);font-size:.85rem}
.node.complete .node-link{background:var(--green-bg);border-color:#9fd9bf}
.node.now .node-link{border:3px solid var(--brand);background:var(--brand-soft);box-shadow:0 6px 18px rgba(91,69,230,.2)}
.node.now small{color:var(--brand-dark);font-weight:800}
.node.locked .node-link{background:#f1f2f7;color:#5d637c;border-style:dashed}
.node.checkpoint .node-link{border-color:#f0c64f}
.node.checkpoint.now .node-link{border-color:#c79200;background:#fff6d8}

/* ---------- kid: unit & mission ---------- */
.unit-hero{display:flex;gap:14px;align-items:center;background:#fff;border-radius:var(--radius);padding:16px;border:1px solid var(--line);border-left:8px solid var(--accent);box-shadow:var(--shadow)}
.unit-hero-icon{font-size:2.8rem;width:72px;height:72px;border-radius:22px;background:var(--brand-soft);display:grid;place-items:center;flex:0 0 auto}
.unit-hero>div{min-width:0}
.unit-hero p{color:var(--muted)}
@media (max-width:400px){.unit-hero{flex-direction:column;align-items:flex-start}}
.section-title{margin-top:22px}
.section-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:10px;margin:22px 0 10px}
.section-head p{color:var(--muted)}
.mission-path{list-style:none;padding:0;margin:0;display:grid;gap:10px;grid-template-columns:1fr}
@media (min-width:720px){.mission-path{grid-template-columns:repeat(2,1fr)}}
.mission-step>a,.mission-step>div{display:flex;gap:12px;align-items:center;min-height:72px;padding:12px;border-radius:18px;border:2px solid var(--line);background:#fff;text-decoration:none;color:var(--ink);height:100%}
.mission-step.done>a{background:var(--green-bg);border-color:#9fd9bf}
.mission-step.now>a{border:3px solid var(--accent);box-shadow:0 6px 18px rgba(0,0,0,.08)}
.mission-step.locked>div{background:#f1f2f7;border-style:dashed;color:#5d637c}
.m-num{font-size:1.9rem;width:48px;text-align:center;flex:0 0 auto}
.m-text{min-width:0}
.m-text b{display:block}
.m-text small{color:var(--muted)}
.mission-shell{max-width:760px;margin:0 auto}
.mission-top{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px;margin-bottom:10px}
.mission-top .where{margin:0}
.activity-card{background:#fff;border-radius:26px;padding:18px;border:1px solid var(--line);border-top:6px solid var(--accent);box-shadow:var(--shadow)}
.howto{background:var(--warn-bg);color:#5c3f00;border-radius:var(--radius-sm);padding:10px 12px;font-weight:700}
.app-box{margin:10px 0;min-height:160px;text-align:center}
.instruction{color:var(--muted);font-size:1.05rem}
.step-hint{display:inline-block;background:var(--brand-soft);color:var(--brand-dark);padding:4px 10px;border-radius:999px;font-size:.85rem;font-weight:800;margin-bottom:8px}
.learning-icon{font-size:clamp(3.2rem,16vw,5rem);line-height:1.1;margin:6px 0}
.big-result{font-size:clamp(3.4rem,16vw,5rem);line-height:1.1}
.listen-btn{width:88px;height:88px;border-radius:50%;border:0;background:var(--accent);color:#fff;font-size:2.4rem;margin:10px auto;display:grid;place-items:center;box-shadow:0 8px 20px rgba(0,0,0,.15);touch-action:manipulation}
.listen-btn[disabled]{opacity:.7}
.mic-button{min-height:64px;width:100%;max-width:420px;border:0;border-radius:20px;background:var(--pink);color:#fff;font-weight:900;font-size:1.1rem;margin:10px auto;display:block;touch-action:manipulation}
.mic-button[disabled]{opacity:.7}
.choice-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,120px),1fr));gap:10px;margin:12px 0}
.choice{min-height:96px;border:3px solid var(--line);border-radius:20px;background:#fff;font-weight:850;font-size:1.1rem;padding:10px;overflow-wrap:anywhere;touch-action:manipulation}
.choice .emoji{font-size:3rem;line-height:1}
.choice:hover:not([disabled]){border-color:var(--brand)}
.choice.correct{border-color:var(--green);background:var(--green-bg)}
.choice.wrong{border-color:var(--red);background:var(--red-bg)}
@media (prefers-reduced-motion:no-preference){.choice.wrong{animation:shake .3s}}
@keyframes shake{25%{transform:translateX(-4px)}75%{transform:translateX(4px)}}
.word-reveal{display:flex;flex-direction:column;align-items:center;gap:2px;margin:10px auto;padding:14px;border-radius:20px;background:var(--brand-soft);max-width:420px}
.word-reveal b{font-size:clamp(1.6rem,7vw,2.3rem);overflow-wrap:anywhere}
.word-reveal span{color:var(--muted)}
.prompt-box{font-size:clamp(1.2rem,5vw,1.6rem);font-weight:850;background:var(--brand-soft);border-radius:18px;padding:14px;margin:8px 0;overflow-wrap:anywhere}
.model-box{background:#f5f6fb;border-radius:16px;padding:12px;margin:10px 0;text-align:left;overflow-wrap:anywhere}
.model-box .btn{margin-top:6px}
.speak-guide{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;margin:6px 0}
.speak-guide div{padding:6px 10px;border-radius:999px;background:#f1f2f7;font-size:.85rem;font-weight:700}
.speak-guide .current{background:var(--accent);color:#fff}
.heard{background:var(--green-bg);border-radius:16px;padding:12px;margin:10px 0}
.heard b,.heard span{display:block}
.sentence-builder{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;min-height:64px;padding:10px;margin:8px 0;border:2px dashed var(--line);border-radius:16px}
.chip{min-height:var(--tap);padding:8px 14px;border-radius:14px;border:2px solid var(--line);background:#fff;font-weight:800;font-size:1.05rem;touch-action:manipulation}
.notebook,.real-world{display:flex;gap:12px;align-items:flex-start;text-align:left;background:#fff8e6;border-radius:18px;padding:14px;margin:10px 0}
.real-world{display:block;background:#eaf6ff}
.notebook span{font-size:2rem}
.story-reading{white-space:pre-line}
.tray{display:flex;flex-wrap:wrap;align-items:center;gap:8px;justify-content:center;background:#f5f6fb;border-radius:16px;padding:8px 12px;margin:0 0 8px;font-size:.9rem}
.tray-items{display:flex;flex-wrap:wrap;gap:4px;min-height:32px;align-items:center}
.tray-items i{font-style:normal;font-size:1.5rem}
@media (prefers-reduced-motion:no-preference){.tray-items i:last-child{animation:pop .35s ease-out}}
@keyframes pop{from{transform:scale(.3)}to{transform:scale(1)}}
.mission-complete{margin-top:16px}
.mission-problem:empty{display:none}
.mission-problem{background:#fff;border-radius:16px;margin-top:8px}
.inline-next{padding:8px}
.problem{text-align:left}

/* ---------- celebrations ---------- */
.celebration{position:relative;overflow:hidden;text-align:center;background:#fff;border-radius:28px;padding:22px 18px;margin:14px 0;border:3px solid var(--accent);box-shadow:var(--shadow)}
.celebration img{width:96px}
.kicker{display:inline-block;font-weight:900;letter-spacing:.06em;font-size:.85rem;color:var(--green);background:var(--green-bg);border-radius:999px;padding:5px 12px;margin:6px 0}
.reward-row{list-style:none;padding:0;margin:12px 0;display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.reward-row li{flex:1 1 130px;background:var(--brand-soft);border-radius:18px;padding:10px}
.reward-row b{display:block;font-size:1.5rem}
.reward-row span{font-size:.85rem;color:var(--muted)}
.reward-pop{display:inline-flex;flex-direction:column;background:#fff4cc;border-radius:18px;padding:10px 18px;margin:10px 0}
.reward-pop span{font-size:1.25rem;font-weight:900}
.confetti{position:absolute;inset:0;pointer-events:none}
.confetti i{position:absolute;top:-12px;width:10px;height:16px;border-radius:3px;background:var(--yellow);opacity:.9}
.confetti i:nth-child(1){left:8%;background:#ff8fb8}.confetti i:nth-child(2){left:22%}.confetti i:nth-child(3){left:38%;background:#7fd6ff}.confetti i:nth-child(4){left:56%;background:#9fe3c3}.confetti i:nth-child(5){left:72%}.confetti i:nth-child(6){left:88%;background:#c5b8ff}.confetti i:nth-child(7){left:15%;background:#7fd6ff}.confetti i:nth-child(8){left:64%;background:#ff8fb8}
@media (prefers-reduced-motion:no-preference){.confetti i{animation:fall 2.4s ease-in 2 both}.confetti i:nth-child(2n){animation-delay:.4s}.confetti i:nth-child(3n){animation-delay:.8s}}
@keyframes fall{to{transform:translateY(520px) rotate(540deg);opacity:0}}
.unit-celebration{background:linear-gradient(180deg,#f3f0ff,#fff 60%)}
.world-celebration{background:linear-gradient(160deg,#ffe9a8,#ffd0e6 45%,#d9d2ff);border-color:#c79200}
.world-celebration .kicker{background:#fff;color:#7a4b00}
.world-badge{display:inline-grid;place-items:center;width:110px;height:110px;border-radius:50%;background:#fff;font-size:3rem;box-shadow:0 8px 24px rgba(0,0,0,.12);position:relative}
.world-badge b{position:absolute;bottom:-4px;right:-4px;background:var(--brand);color:#fff;border-radius:50%;width:40px;height:40px;display:grid;place-items:center;font-size:1.2rem}
.skill-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin:12px 0}
@media (min-width:720px){.skill-grid{grid-template-columns:repeat(4,1fr)}}
.skill-card{background:rgba(255,255,255,.85);border-radius:16px;padding:10px;display:flex;flex-direction:column;align-items:center;gap:2px}
.skill-card small{color:var(--muted)}
.celebration-overlay{position:fixed;inset:0;z-index:60;background:rgba(20,22,45,.55);display:flex;align-items:flex-end;justify-content:center;padding:0}
@media (min-width:600px){.celebration-overlay{align-items:center;padding:16px}}
.celebration-modal{position:relative;overflow:hidden auto;width:100%;max-width:520px;max-height:100dvh;max-height:100vh;background:#fff;border-radius:28px 28px 0 0;padding:22px 18px calc(18px + var(--safe-b));text-align:center}
@supports (max-height:100dvh){.celebration-modal{max-height:100dvh}}
@media (min-width:600px){.celebration-modal{border-radius:28px;max-height:calc(100vh - 32px)}}
.celebration-modal img{width:84px}
.celebration-unit{background:linear-gradient(180deg,#f3f0ff,#fff 55%)}
@media (prefers-reduced-motion:no-preference){.celebration-modal{animation:rise .3s ease-out}}
@keyframes rise{from{transform:translateY(30px);opacity:0}}
.modal-close{position:absolute;top:8px;right:8px;width:44px;height:44px;border-radius:50%;border:0;background:#f1f2f7;font-size:1.1rem;z-index:2}
.achievement-toasts{list-style:none;padding:0;margin:12px 0;display:flex;flex-direction:column;gap:8px}
.achievement-toasts li{display:flex;gap:10px;align-items:center;text-align:left;background:#fff4cc;border:2px solid #f0c64f;border-radius:16px;padding:8px 12px}
.achievement-toasts li>span{font-size:2rem}
.achievement-toasts small{display:block;color:#5c3f00}
.empty-state img{width:96px}

/* ---------- achievements page ---------- */
.achievement-grid{list-style:none;padding:0;margin:12px 0;display:grid;gap:12px;grid-template-columns:repeat(auto-fill,minmax(min(100%,220px),1fr))}
.achievement{background:#fff;border:2px solid var(--line);border-radius:20px;padding:14px;display:flex;flex-direction:column;align-items:center;text-align:center;gap:4px}
.achievement small{color:var(--muted)}
.achievement .a-icon{font-size:2.6rem}
.achievement.pending{background:#f6f7fb}
.achievement.pending .a-icon{filter:grayscale(1);opacity:.7}
.achievement.earned{border-color:#9fd9bf}
.achievement.is-new{border-color:#f0c64f;box-shadow:0 0 0 4px #fff4cc}
.achievement .progress-block{width:100%}

/* ---------- teacher ---------- */
.teacher-class{display:flex;flex-direction:column;gap:6px;text-decoration:none;color:var(--ink)}
.teacher-class:hover{border-color:var(--brand)}
.join-code{display:inline-block;font-family:ui-monospace,Menlo,Consolas,monospace;font-weight:900;letter-spacing:.14em;background:var(--brand-soft);color:var(--brand-dark);border-radius:12px;padding:6px 12px;font-size:1.15rem;align-self:flex-start;overflow-wrap:anywhere}
.code-box{display:flex;flex-direction:column;gap:4px;background:#fff;border:2px dashed var(--brand);border-radius:18px;padding:12px;margin:10px 0;max-width:460px}
.code-box .join-code{font-size:1.7rem}
.suggestion{background:linear-gradient(135deg,#f1efff,#fff)}
.matrix th,.matrix td{text-align:center;white-space:nowrap}
.matrix th[scope="row"]{text-align:left}
.matrix thead th{min-width:120px;white-space:normal}
.cell-done{background:var(--green-bg);color:var(--green);font-weight:900}
.cell-pending{color:var(--muted)}
.cell-n-a{color:#9aa0b8;font-size:.85rem}
.classroom-mode .page-wrap{max-width:1400px}
.classroom-toolbar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;margin-bottom:12px}
.classroom-title{display:flex;gap:16px;align-items:center;background:#fff;border-radius:var(--radius);padding:16px;box-shadow:var(--shadow)}
.classroom-title img{width:90px}
.classroom-title span{font-weight:900;color:var(--brand-dark)}
.classroom-section{margin:18px 0}
.classroom-vocab{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,150px),1fr));gap:10px}
.classroom-word{display:flex;flex-direction:column;align-items:center;gap:4px;min-height:120px;border:2px solid var(--line);border-radius:20px;background:#fff;padding:10px}
.classroom-word span{font-size:2.8rem}
.classroom-word b{font-size:1.3rem;overflow-wrap:anywhere}
.classroom-phrase{display:block;width:100%;text-align:left;min-height:56px;margin:6px 0;padding:10px 14px;border-radius:16px;border:2px solid var(--line);background:#fff;font-size:1.2rem;font-weight:750}

/* ---------- admin / prose / public ---------- */
.admin-head{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;margin:6px 0 12px}
.admin-head a{display:inline-flex;align-items:center;min-height:44px}
.admin-nav{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0}
.admin-nav a{display:inline-flex;align-items:center;min-height:var(--tap);padding:6px 14px;border-radius:12px;background:#fff;border:1px solid var(--line);text-decoration:none;color:var(--ink);font-weight:750}
.admin-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,150px),1fr));gap:10px;margin:12px 0}
.admin-stats>*{background:#fff;border:1px solid var(--line);border-radius:18px;padding:12px}
.unit-list{max-height:none}
.media-row{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;padding:8px 0;border-bottom:1px solid var(--line)}
.media-row>span{min-width:0;overflow-wrap:anywhere}
.prose{max-width:760px;margin:0 auto;background:#fff;border-radius:var(--radius);padding:20px;border:1px solid var(--line)}
.prose h2{margin-top:1.4rem}
.stats-strip{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin:16px 0}
@media (min-width:720px){.stats-strip{grid-template-columns:repeat(4,1fr)}}
.stats-strip article{background:#fff;border:1px solid var(--line);border-radius:18px;padding:12px;text-align:center}
.stats-strip b{display:block;font-size:1.6rem}
.stats-strip span{color:var(--muted);font-size:.9rem}
.hero{display:grid;gap:18px;align-items:center;background:linear-gradient(135deg,var(--brand),#8a5cf0);color:#fff;border-radius:28px;padding:22px}
@media (min-width:860px){.hero{grid-template-columns:1.2fr .8fr;padding:36px}}
.hero h1{font-size:clamp(2rem,8vw,3.4rem)}
.hero h1 span{color:#ffe28a}
.hero .eyebrow{color:#fff}
.hero-visual{position:relative;display:flex;justify-content:center}
.hero-visual img{width:min(240px,60vw)}
.hero-bubble{position:absolute;background:#fff;color:var(--ink);border-radius:999px;padding:6px 12px;font-weight:800;font-size:.85rem}
.hero-bubble.one{top:6%;left:0}.hero-bubble.two{bottom:8%;right:0}
.age-card small{font-weight:900;color:var(--brand-dark)}
.age-icon,.method-card .icon{font-size:2.4rem}
.method-loop{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0}
.loop-step{flex:1 1 90px;background:var(--brand-soft);border-radius:16px;padding:10px;text-align:center}
.loop-step b{display:block;font-size:1.6rem;color:var(--brand-dark)}

/* ---------- error pages ---------- */
.error-page{display:flex;justify-content:center;padding:20px 0}
.error-card{max-width:560px;text-align:center}
.error-flipi{width:110px}

/* ---------- YouTube ---------- */
.youtube-frame{position:relative;padding-top:56.25%;border-radius:16px;overflow:hidden}
.youtube-frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0}

/* ---------- age tweaks ---------- */
.age-4-6 .choice{min-height:120px}
.age-4-6 .choice .emoji{font-size:3.6rem}
.age-4-6 .instruction{font-size:1.15rem}
.age-10-12 .learning-icon{font-size:clamp(2.6rem,12vw,4rem)}

@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}}
@media (forced-colors:active){.btn,.choice,.node-link{border:2px solid ButtonText}}
@media print{.site-header,.kid-bottom-nav,.site-footer{display:none}}
.panel h3,.card h3{margin-top:1rem}