.brand .brand-icon{display:block;width:64.4px;height:64.4px;object-fit:cover;border-radius:14px;background:transparent;flex-shrink:0}
.brand>span{font-family:Georgia,'Times New Roman',serif;font-size:1.42rem;letter-spacing:.22em}
.brand small{font-family:inherit;font-size:.72rem;letter-spacing:.12em;font-weight:400;margin-top:4px}
.header-note{display:block;text-align:right;max-width:420px;line-height:1.6}
.daily-thai{margin-top:5px;font-size:.98rem;color:var(--ink)}
.daily-thai summary{cursor:pointer;list-style:none;line-height:1.7;text-underline-offset:5px}
.daily-thai summary::-webkit-details-marker{display:none}
.daily-thai summary::after{content:'⌄';font-size:.75rem;margin-left:9px;opacity:.55}
.daily-thai[open] summary::after{content:'⌃'}
.daily-thai summary:hover{text-decoration:underline}
.daily-thai p{margin:4px 0 0;font-size:.8rem;color:var(--muted)}
.arunii-celebration{position:absolute;inset:0;display:grid;place-items:center;z-index:1000;pointer-events:none;overflow:hidden}
.celebration-message{position:relative;grid-area:1 / 1;margin:0;max-width:calc(100vw - 32px);box-sizing:border-box;text-align:center;white-space:nowrap;padding:13px 23px;border-radius:28px;background:#fffdf2f5;color:#245347;box-shadow:0 8px 36px #153d3620;font-size:1.2rem;font-weight:650;animation:celebration-message 2.3s ease both}
.celebration-piece{position:absolute;left:50%;top:50%;width:8px;height:12px;opacity:0;animation:celebration-piece 2.1s cubic-bezier(.18,.7,.35,1) both}
@keyframes celebration-piece{0%{transform:translate(0,0) rotate(0);opacity:0}12%{opacity:1}65%{opacity:1}100%{transform:translate(clamp(-44vw,var(--x),44vw),calc(var(--y) + 160px)) rotate(var(--spin));opacity:0}}
@keyframes celebration-message{0%{opacity:0;transform:scale(.92)}18%,75%{opacity:1;transform:scale(1)}100%{opacity:0;transform:scale(1)}}
@media(max-width:600px){.header{flex-wrap:wrap;gap:14px;padding:18px 20px}.header-note{display:block;width:100%;max-width:none;text-align:left;font-size:.8rem}.daily-thai{font-size:.95rem}.brand .brand-icon{width:57.5px;height:57.5px}.brand>span{font-size:1.3rem}}
@media(prefers-reduced-motion:reduce){.celebration-message{animation:none}.celebration-piece{display:none}}
.dictation-modes{margin:16px 0}.dictation-box{max-width:760px}.dictation-audio,.dictation-actions{display:flex;flex-wrap:wrap;gap:12px;margin:20px 0}.dictation-box label{display:block;margin:18px 0 8px}.dictation-box input{width:100%;box-sizing:border-box;border:1px solid var(--line);border-bottom:2px solid var(--ink);border-radius:12px 12px 0 0;background:#fff;color:var(--ink);font-family:inherit;font-size:2rem;line-height:1.8;padding:12px 16px}.dictation-box input:focus{outline:3px solid #a6d9bf;outline-offset:2px}.dictation-edit{display:flex;gap:24px;justify-content:flex-end}.dictation-box details{margin:12px 0;padding:15px;border:1px solid var(--line);border-radius:14px}.dictation-box summary{cursor:pointer}.dictation-keys{display:grid;grid-template-columns:repeat(auto-fill,minmax(48px,1fr));gap:8px;margin-top:16px}.dictation-keys .btn{font-size:1.55rem;min-height:52px;padding:5px}.dictation-feedback{margin:18px 0;line-height:1.8}.dictation-comparison{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:15px}.dictation-comparison>div{min-width:0}.dictation-comparison p{font-size:2rem;overflow-wrap:anywhere;margin:6px 0}.dictation-comparison mark{background:#fbe5bf;color:inherit;border-radius:4px}.dictation-comparison small{font-size:.875rem;color:var(--muted)}
.word-toolbar{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin:0 0 20px}.word-toolbar select{max-width:100%;padding:12px;border:1px solid var(--line);border-radius:12px;background:white;color:var(--ink);font:inherit}.word-study{text-align:center}.word-glyph{display:block;border:0;background:transparent;color:var(--ink);font:inherit;font-size:clamp(2rem,6vw,3.8rem);line-height:1.65;padding:20px 0;cursor:pointer;width:100%;overflow-wrap:anywhere}.word-glyph.is-speaking{color:#28785f;text-shadow:0 0 16px #b4e3cf}.word-meaning{font-size:1.15rem}.word-roman{color:var(--muted)}.word-study .dictation-audio{justify-content:center}.word-navigation{display:flex;justify-content:space-between;gap:12px;margin-top:28px}.word-list{display:flex;flex-wrap:wrap;gap:9px;margin:22px 0}.word-list .btn{font-size:1.2rem;line-height:1.7;white-space:normal;text-align:left}.celebration-sound-setting{display:flex;align-items:center;gap:8px;font-size:.875rem;margin:20px 0}.subject-switch{flex-wrap:wrap}
/* Listening exercises: speaker, answer line, then numbered choices. */
.listening-sheet{max-width:760px;margin-left:auto;margin-right:auto}
.listening-sheet>h2{text-align:center;font-size:1.15rem;line-height:1.6;margin:20px 0 8px}
.listening-sheet>p:not(.small-label){text-align:center;font-size:.95rem;line-height:1.7}
.listening-player{display:flex;flex-direction:column;align-items:center;gap:6px;margin:24px auto 12px}
.listening-speaker{display:grid;place-items:center;width:60px;height:60px;padding:14px;border:0;border-radius:50%;background:#e9f4ee;color:#245c4c;cursor:pointer;flex-shrink:0;transition:background .18s,box-shadow .18s}
.listening-speaker svg{width:30px;height:30px;display:block}
.listening-speaker:hover{background:#d9eee2}
.listening-speaker.is-speaking{background:#d9eee2;box-shadow:0 0 0 5px #e9f4ee,0 0 20px #92cbb577}
.listening-speaker:focus-visible,.listening-slow:focus-visible{outline:2px solid #34735f;outline-offset:4px}
.listening-slow{border:0;background:transparent;color:var(--muted);font:inherit;font-size:.875rem;min-height:44px;min-width:60px;padding:8px;cursor:pointer}
.listening-blank,.listening-write-line{width:min(100%,360px);margin:16px auto 30px;box-sizing:border-box;border-bottom:2px solid #88aa9c;min-height:66px}
.listening-blank{display:flex;justify-content:center;align-items:end;text-align:center;font-size:2rem;line-height:1.75;padding:4px 12px 8px;overflow-wrap:anywhere}
.listening-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:0 0 24px}
.listening-options .btn{display:flex;align-items:center;justify-content:flex-start;text-align:left;gap:14px;min-width:0;min-height:74px;padding:12px 16px;white-space:normal}
.listening-options .btn>span[lang]{font-size:1.8rem;line-height:1.6;overflow-wrap:anywhere;min-width:0}
.listening-option-number{display:grid;place-items:center;flex-shrink:0;width:25px;height:25px;border-radius:50%;border:1px solid currentColor;font-size:.8rem;line-height:1;opacity:.65}
.dictation-box.listening-sheet input{width:100%;border:0;border-radius:0;background:transparent;text-align:center;padding:6px 8px;font-size:2rem;line-height:1.8;box-shadow:none}
.dictation-box.listening-sheet input:focus{outline:0}
.listening-write-line:focus-within{border-bottom-color:#2b775c;box-shadow:0 2px 0 #c8e5d8}
.listening-sheet .dictation-edit{max-width:360px;margin:-22px auto 18px;gap:22px}
.listening-sheet .dictation-actions{justify-content:center}
@media(max-width:480px){.listening-options{gap:10px}.listening-options .btn{padding:10px;gap:8px}.listening-options .btn>span[lang]{font-size:1.5rem}.listening-option-number{width:21px;height:21px}.listening-sheet{padding:22px 18px}.listening-blank,.listening-write-line{width:90%}}
/* Give listening start, feedback and navigation controls room to breathe. */
.quiz-box>h2+p,.reading-quiz>h2+p{margin-top:12px;line-height:1.8}
.quiz-box>p+.btn,.reading-quiz>p+.btn{margin-top:24px}
.quiz-box>.btn,.reading-quiz>.btn{min-width:200px;min-height:54px;padding:14px 26px}
.listening-sheet .vowel-feedback{margin:26px 0 22px;line-height:1.8}
.listening-sheet .vowel-feedback>p{margin:8px 0 18px}
.listening-sheet .vowel-feedback>.btn{min-width:200px;min-height:54px;padding:14px 26px}
.dictation-box:not(.listening-sheet)>p{line-height:1.8}
.dictation-box .dictation-actions{gap:16px;margin-top:26px}
.dictation-actions>.btn{min-width:180px;min-height:54px}
.listening-options{gap:16px}
.listening-options .btn{min-height:84px}
@media(max-width:600px){
 .quiz-box>.btn,.reading-quiz>.btn,.listening-sheet .vowel-feedback>.btn{width:100%;min-width:0}
 .dictation-actions>.btn{width:100%;min-width:0}
 .listening-sheet .vowel-feedback{margin-bottom:24px}
 .listening-options{grid-template-columns:1fr;gap:12px}
 .listening-options .btn{min-height:72px;padding:14px 18px;gap:16px}
 .listening-options .btn>span[lang]{font-size:1.65rem}
}

/* Keep the daily translation close to its Thai sentence. */
.header-note .daily-thai summary{padding:0;margin:0;min-height:0}
.header-note .daily-thai p{margin:2px 0 0;padding:0;line-height:1.5}
.audio-credit{font-size:.75rem;color:var(--muted);margin-top:12px;line-height:1.6}

/* Compact section introductions and paired word audio controls. */
.page-top.compact-heading{margin-bottom:16px}
.vowel-intro .sub{font-size:.75rem;margin:0;line-height:1.6}
.word-study .dictation-audio{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;max-width:420px;margin:24px auto}
.word-study .dictation-audio .btn{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;min-width:0;min-height:92px;padding:16px 22px}
.word-study .dictation-audio .btn svg{width:25px;height:25px;flex-shrink:0;margin:0}

/* A small, bounded celebration, separate from the perfect-quiz celebration. */
.flashcard,.vowel-card{position:relative}
.card-celebration{position:absolute;inset:0;overflow:hidden;border-radius:inherit;pointer-events:none;z-index:8}
.card-celebration-message{position:absolute;left:50%;top:48%;transform:translate(-50%,-50%);width:max-content;max-width:90%;padding:10px 18px;border-radius:24px;background:#fffffff2;color:var(--ink);box-shadow:0 6px 25px #193e3020;font-size:1rem;text-align:center;animation:card-celebration-message 1.5s ease both}
.card-celebration-piece{position:absolute;left:50%;top:48%;width:6px;height:9px;border-radius:2px;animation:card-celebration-burst 1.3s ease-out both}
@keyframes card-celebration-burst{0%{opacity:0;transform:translate(0,0) scale(.5)}15%{opacity:1}80%{opacity:.8}100%{opacity:0;transform:translate(var(--x),calc(var(--y) + 70px)) rotate(var(--spin))}}
@keyframes card-celebration-message{0%{opacity:0}15%,75%{opacity:1}100%{opacity:0}}
@media(prefers-reduced-motion:reduce){.card-celebration-message{animation:none}.card-celebration-piece{display:none}}

.card-slide-shell{position:relative;overflow:hidden;border-radius:24px;isolation:isolate}
.card-slide-outgoing{position:absolute!important;inset:0;pointer-events:none;z-index:2;margin:0}

.card-deck{position:relative;isolation:isolate;margin-bottom:24px;perspective:1100px}
.card-deck::before,.card-deck::after{content:"";position:absolute;inset:0;border:1px solid #a6bcb1;border-radius:24px;background:#dfebe3;pointer-events:none;box-shadow:0 7px 14px #173e3512}
.card-deck::before{transform:translateY(18px) scale(.94);z-index:-2;background:#d2e2d8}
.card-deck::after{transform:translateY(9px) scale(.97);z-index:-1}
.card-deck>.flashcard{box-shadow:0 12px 28px #183d351a}
.card-slide-shell{perspective:1100px;overflow:clip;box-shadow:0 12px 28px #183d351a}
.card-slide-shell>.flashcard{transform-origin:50% 90%;will-change:transform,opacity}

.quiz-celebration-host{position:relative;isolation:isolate}
.quiz-celebration-host>.arunii-celebration{border-radius:inherit}