/* Bố cục: một cột hẹp như màn hình điện thoại, nền tuyết, khung câu hỏi viền băng,
   nút đáp án bốn màu như trong video mẫu. */
:root {
  color-scheme: light;
  --sky: #cfe3f3;
  --sky-deep: #9fc4e3;
  --ice: #eaf3fb;
  --ink: #17335a;
  --ink-soft: #4d6a8f;
  --btn-blue: #3b7dd8;
  --btn-teal: #1fb5b0;
  --btn-orange: #f29a2e;
  --btn-purple: #7b55c7;
  --ok: #25b84c;
  --bad: #e5484d;
  --gold: #f6b93b;
  --card: #f4f8fc;
  --font-display: "Baloo 2", "Nunito", system-ui, sans-serif;
  --font-body: "Nunito", system-ui, sans-serif;
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: linear-gradient(180deg, #bcd8ee 0%, #dcebf7 55%, #f3f8fc 100%) fixed;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 18px;
  padding-block: 12px;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
  -webkit-tap-highlight-color: transparent;
}
#snow { position: fixed; inset: 0; pointer-events: none; z-index: 0; }
#app { position: relative; z-index: 1; max-width: 560px; margin: 0 auto; min-height: 100%; display: flex; flex-direction: column; gap: 14px; }
h1, h2, .display { font-family: var(--font-display); margin: 0; line-height: 1.1; text-wrap: balance; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; }
button:focus-visible { outline: 4px solid var(--gold); outline-offset: 2px; }

/* màn Home học sinh */
.shome-hello { font-family: var(--font-display); font-size: clamp(20px, 5vw, 28px); font-weight: 800; color: var(--ink); }
.score-stage {
  position: relative; overflow: hidden; width: min(100%, 640px, 78vh); aspect-ratio: 1200 / 810; margin: 12px auto; border-radius: 24px;
  background: var(--sky-deep); border: 3px solid var(--sky-deep);
}
.garden-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; user-select: none; -webkit-user-drag: none; }
.garden-target { position: absolute; width: 0; height: 0; pointer-events: none; }
.garden-jar { position: absolute; left: 3%; bottom: 4%; width: 20%; text-align: center; }
.garden-jar-svg svg { display: block; width: 100%; height: auto; filter: drop-shadow(0 3px 3px rgba(0,0,0,.25)); }
.garden-jar-n { font-family: var(--font-display); font-weight: 800; font-size: clamp(16px, 4vw, 24px); color: #fff; text-shadow: 0 2px 3px rgba(0,0,0,.45); }
.garden-progress { position: absolute; right: 3%; top: 3%; padding: 2px 10px; border-radius: 12px; background: rgba(255,255,255,.8); font-weight: 700; color: var(--ink); }
.garden-progress:empty { display: none; }
.garden-fly { position: absolute; left: 0; top: 0; font-size: clamp(26px, 6vw, 42px); line-height: 1; color: #ffc83d; text-shadow: 0 0 8px #fff, 0 2px 3px rgba(0,0,0,.35); pointer-events: none; will-change: transform; }
.garden-spark { position: absolute; transform: translate(-50%, -50%); color: #fff6b0; font-size: 22px; text-shadow: 0 0 6px #ffc83d; pointer-events: none; animation: garden-spark 1s ease-out forwards; }
@keyframes garden-spark { from { opacity: 1; transform: translate(-50%, -50%) scale(.6); } to { opacity: 0; transform: translate(calc(-50% + var(--dx)), calc(-50% + var(--dy))) scale(1.4); } }
.garden-grow { animation: garden-grow .8s ease-out; }
.garden-wiggle { animation: garden-wiggle .6s ease-in-out; }
@keyframes garden-grow { 0% { transform: scale(1); } 40% { transform: scale(1.08); } 70% { transform: scale(.98); } 100% { transform: scale(1); } }
@keyframes garden-wiggle { 0%, 100% { transform: rotate(0); } 25% { transform: rotate(-1.6deg); } 75% { transform: rotate(1.6deg); } }
.shome-btns .action.dim { opacity: .55; }
@media (prefers-reduced-motion: reduce) { .garden-grow, .garden-wiggle, .garden-spark { animation: none; } }
.shome-btns { display: flex; flex-direction: column; gap: 12px; align-items: center; }
.shome-btns .action { width: min(320px, 100%); }
.shome-note { text-align: center; color: var(--ink-soft); min-height: 1.4em; margin: 10px 0 0; }
@media (orientation: landscape) { .shome-btns { flex-direction: row; justify-content: center; flex-wrap: wrap; } .shome-btns .action { width: auto; min-width: 200px; } }

/* màn chọn bài */
.home-head { display: flex; align-items: center; gap: 14px; padding-top: 6px; }
.home-head h1 { font-size: clamp(28px, 7vw, 38px); }
.home-head p { margin: 4px 0 0; color: var(--ink-soft); font-size: 16px; }
.lessons { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.lesson {
  background: var(--card); border: 3px solid var(--sky-deep); border-radius: 22px;
  padding: 14px 14px 12px; text-align: left; display: grid; gap: 6px; min-width: 0;
  box-shadow: 0 5px 0 var(--sky-deep); transition: transform .12s;
}
.lesson:active { transform: translateY(3px); box-shadow: 0 2px 0 var(--sky-deep); }
.lesson .n { font-family: var(--font-display); font-size: 15px; color: var(--ink-soft); }
.lesson .pair { font-family: var(--font-display); font-size: 30px; font-weight: 800; color: var(--btn-blue); line-height: 1; }
.lesson .meta { font-size: 14px; color: var(--ink-soft); }
.stars { letter-spacing: 2px; font-size: 20px; color: var(--gold); min-height: 24px; }
.stars .off { color: #c3d3e3; }
.note { font-size: 14px; color: var(--ink-soft); text-align: center; margin: 6px 0 0; }

/* thanh trạng thái */
.bar { display: flex; align-items: center; gap: 8px; }
.chip {
  background: #0f2a4f; color: #fff; border-radius: 999px; padding: 6px 14px;
  font-family: var(--font-display); font-weight: 700; font-size: 17px; font-variant-numeric: tabular-nums;
}
.chip.gold { background: #0f2a4f; color: var(--gold); }
.spacer { flex: 1; }
.round-btn {
  width: 44px; height: 44px; border-radius: 50%; background: #8d63d4; color: #fff; font-size: 20px;
  display: grid; place-items: center; box-shadow: 0 3px 0 #5f3fa3;
}
.round-btn[aria-pressed="false"] { background: #9aa7b8; box-shadow: 0 3px 0 #6f7c8d; }
.topbar { display: flex; justify-content: space-between; align-items: center; }
.back { background: transparent; color: var(--ink); font-weight: 800; padding: 8px 4px; font-size: 16px; }
.crumb-list { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; align-items: center; }
.crumb-item { display: flex; align-items: center; }
.crumb-sep { color: var(--ink-soft); padding: 0 2px; font-weight: 800; }
.crumb-link, .crumb-current { min-height: 40px; padding: 0 6px; display: inline-flex; align-items: center; font-size: 16px; }
.crumb-link { background: transparent; color: var(--btn-blue); font-weight: 700; text-decoration: underline; }
.crumb-current { color: var(--ink); font-weight: 800; }
.chooser-box { display: grid; gap: 18px; text-align: center; padding-top: 10px; }
.chooser-box h1 { font-size: clamp(28px, 7vw, 38px); }
.chooser-btns { display: flex; flex-direction: column; gap: 14px; align-items: center; }
.chooser-btns .chooser-btn { width: min(340px, 100%); font-size: 22px; padding-top: 18px; padding-bottom: 18px; }
@media (orientation: landscape) { .chooser-btns { flex-direction: row; justify-content: center; flex-wrap: wrap; } .chooser-btns .chooser-btn { width: auto; min-width: 240px; } }
.progress { height: 8px; background: rgba(255,255,255,.7); border-radius: 99px; overflow: hidden; }
.progress i { display: block; height: 100%; background: var(--btn-teal); border-radius: 99px; transition: width .3s; }

/* khung câu hỏi */
.qcard {
  position: relative; background: var(--card); border: 5px solid #bfe0f5; border-radius: 28px;
  padding: 34px 18px 20px; display: grid; gap: 14px; justify-items: center; text-align: center;
  box-shadow: 0 8px 0 rgba(31, 90, 150, .15);
}
.qcard::before {
  content: ""; position: absolute; left: 18px; right: 18px; top: -9px; height: 18px; border-radius: 99px;
  background: #fff; box-shadow: 0 2px 0 #cfe6f6;
}
.prompt { font-family: var(--font-display); font-weight: 700; font-size: 20px; color: var(--ink); }
.pic { width: min(210px, 52vw); aspect-ratio: 1; border-radius: 18px; background: #fff; border: 3px solid #f0c24b; overflow: hidden; display: grid; place-items: center; }
.pic.small { border-color: #bfe0f5; }
.pic img { width: 100%; height: 100%; object-fit: contain; display: block; }
.word { font-family: var(--font-display); font-weight: 700; font-size: clamp(34px, 9vw, 48px); line-height: 1.25; color: var(--ink); overflow-wrap: anywhere; }
.word.long { font-size: clamp(24px, 6vw, 30px); }
.slot {
  display: inline-block; min-width: 1.6em; padding: 0 .2em; margin: 0 .08em; border-bottom: 4px dashed var(--btn-orange);
  color: var(--btn-blue); text-align: center;
}
.slot.active { background: #fff3d8; border-radius: 10px 10px 0 0; }
.slot.filled { border-bottom-style: solid; border-color: var(--ok); color: var(--ok); }

/* đáp án */
.opts { width: 100%; display: grid; gap: 10px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.opts.single { grid-template-columns: minmax(0, 1fr); }
.opt {
  min-height: 62px; border-radius: 16px; color: #fff; font-family: var(--font-display); font-weight: 700;
  font-size: clamp(24px, 6.5vw, 32px); padding: 8px 12px; overflow-wrap: anywhere; box-shadow: 0 5px 0 rgba(0,0,0,.22);
  transition: transform .1s;
}
.opt:active:not(:disabled) { transform: translateY(3px); box-shadow: 0 2px 0 rgba(0,0,0,.22); }
.opt.c0 { background: var(--btn-blue); }
.opt.c1 { background: var(--btn-teal); }
.opt.c2 { background: var(--btn-orange); }
.opt.c3 { background: var(--btn-purple); }
.opt.words { font-size: clamp(20px, 5.4vw, 26px); }
.opt.bad { background: var(--bad); animation: shake .35s; }
.opt.good { background: var(--ok); }
.opt:disabled { cursor: default; }
.opt.gone { background: #8d98a8; opacity: .6; }

/* sắp xếp câu */
.line {
  min-height: 74px; width: 100%; border: 3px dashed var(--sky-deep); border-radius: 18px; background: #fff;
  padding: 10px; display: flex; flex-wrap: wrap; gap: 8px; align-content: flex-start; justify-content: center; border-style: solid; border-width: 3px; border-color: #cfe6f6;
}
.line .cell {
  min-width: 64px; min-height: 52px; padding: 4px 8px; display: flex; align-items: center; justify-content: center;
  border-bottom: 4px solid var(--sky-deep); background: #f4faff; border-radius: 10px 10px 0 0;
  font-family: var(--font-display); font-weight: 700; font-size: clamp(20px, 5.4vw, 26px); color: var(--ink);
}
.line .cell.filled { background: #fff3d8; border-bottom-color: #f0c24b; cursor: pointer; }
.line .cell.locked { background: #d8f5df; border-bottom-color: var(--ok); color: var(--ok); cursor: default; }
.line .cell.over { background: #ffe9b0; }
.line .cell.bad { background: #ffd9db; border-bottom-color: var(--bad); animation: shake .35s; }
.bank { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; width: 100%; }
.tok {
  background: #dff0fb; border: 3px solid #a9d3ef; border-radius: 14px; padding: 8px 14px;
  font-family: var(--font-display); font-weight: 700; font-size: clamp(20px, 5.4vw, 26px); color: var(--ink); box-shadow: 0 4px 0 #a9d3ef;
}
.tok.in { background: #fff3d8; border-color: #f0c24b; box-shadow: 0 4px 0 #f0c24b; }
.tok.used { visibility: hidden; }

.action {
  width: 100%; min-height: 56px; border-radius: 16px; background: var(--ink); color: #fff;
  font-family: var(--font-display); font-weight: 800; font-size: 22px; box-shadow: 0 5px 0 rgba(0,0,0,.28);
}
.action:disabled { background: #9aa7b8; box-shadow: 0 5px 0 #6f7c8d; cursor: default; }
.action.next { background: var(--ok); box-shadow: 0 5px 0 #168a35; }
.action.ghost { background: #fff; color: var(--ink); box-shadow: 0 5px 0 var(--sky-deep); border: 3px solid var(--sky-deep); }
.feedback { font-family: var(--font-display); font-weight: 800; font-size: 22px; min-height: 30px; }
.feedback.ok { color: var(--ok); }
.feedback.no { color: var(--bad); }
.says { display: inline-flex; align-items: center; gap: 8px; background: #fff; border-radius: 999px; padding: 6px 14px; font-size: 16px; font-weight: 700; color: var(--ink-soft); }
.says button { background: var(--btn-blue); color: #fff; width: 34px; height: 34px; border-radius: 50%; }

/* kết quả */
.result { align-items: center; text-align: center; }
.result h2 { font-size: 30px; }
.score-big { font-family: var(--font-display); font-weight: 800; font-size: 54px; color: var(--btn-blue); line-height: 1; }
.result .stars { font-size: 44px; }
.btns { display: grid; gap: 10px; width: 100%; }

@keyframes shake { 0%,100% { transform: translateX(0); } 25% { transform: translateX(-7px); } 75% { transform: translateX(7px); } }
@keyframes pop { 0% { transform: scale(.85); } 60% { transform: scale(1.06); } 100% { transform: scale(1); } }
.pop { animation: pop .3s; }
@media (prefers-reduced-motion: reduce) {
  .opt.bad, .pop { animation: none; }
  .progress i { transition: none; }
}

/* ---------- màn giới thiệu ----------
   Hai ảnh nền: intro.webp (dọc 9:16, 1080 x 1920) cho điện thoại,
   intro-pc.webp (ngang 16:9, 1920 x 1080) cho màn hình ngang. Ảnh phủ kín màn hình (cover). */
.intro-layer {
  position: fixed; inset: 0; z-index: 5;
  background: #ffffff url("intro.webp") center / cover no-repeat;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 28px; text-align: center;
  padding: max(24px, env(safe-area-inset-top, 0px)) max(24px, env(safe-area-inset-right, 0px)) max(24px, env(safe-area-inset-bottom, 0px)) max(24px, env(safe-area-inset-left, 0px));
}
@media (orientation: landscape) {
  .intro-layer { background-image: url("intro-pc.webp"); }
}
.intro-layer > * { max-width: 560px; }
.action.start.alt { background: #fff; color: var(--ink); border: 3px solid var(--sky-deep); box-shadow: 0 6px 0 var(--sky-deep); }
.login { width: min(420px, 100%); display: grid; gap: 14px; background: rgba(255, 255, 255, .92); border-radius: 22px; padding: 18px; }
.login label { display: grid; gap: 8px; text-align: left; font-weight: 800; font-size: 18px; color: var(--ink); }
.login input { font: inherit; font-size: 22px; padding: 12px 14px; border: 3px solid var(--sky-deep); border-radius: 14px; width: 100%; box-sizing: border-box; }
.login-msg { min-height: 22px; font-weight: 700; color: var(--bad); }
.login .action { width: 100%; }
.save-note { font-size: 15px; color: var(--ink-soft); }
.intro-layer h1 { font-size: clamp(34px, 9.5vw, 52px); color: var(--ink); text-wrap: balance; text-shadow: 0 2px 0 rgba(255, 255, 255, .85); }
.intro-layer .action.start { width: min(320px, 100%); }
.snowman { width: 64px; height: 76px; }
.action.start { min-height: 68px; font-size: 28px; background: var(--btn-blue); box-shadow: 0 6px 0 #234f95; }
.home-head .snowman { flex: none; }

/* ---------- kéo thả ---------- */
.drag { touch-action: none; user-select: none; -webkit-user-select: none; cursor: grab; }
.dragging { opacity: .35; }
.dragghost {
  position: fixed; z-index: 100; pointer-events: none; transform: translate(-50%, -50%) scale(1.06) rotate(-2deg);
  opacity: .95; box-shadow: 0 10px 22px rgba(15, 42, 79, .3);
}
[data-drop].over { outline: 4px solid var(--gold); outline-offset: 2px; }
.slot.over { background: #ffe9b0; border-radius: 10px 10px 0 0; outline-offset: 0; }
.hint { color: var(--ink-soft); font-size: 16px; align-self: center; }
.tok.sel { border-color: var(--btn-orange); background: #fff3d8; box-shadow: 0 4px 0 #e0a03a; }
.tok.bad { background: #ffd9db; border-color: var(--bad); box-shadow: 0 4px 0 var(--bad); animation: shake .35s; }
.tok.words-chip { font-size: clamp(18px, 4.8vw, 24px); }

/* nối hình */
.match-grid { width: 100%; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.target { border-radius: 18px; min-width: 0; }
.target.bad { outline: 4px solid var(--bad); }
.mt { background: #fff; border: 3px dashed var(--sky-deep); padding: 8px; display: grid; gap: 6px; justify-items: center; }
.mt .pic { width: 100%; max-width: 130px; }
.zone { min-height: 6px; display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; }
.zone .tok { box-shadow: none; background: #d8f5df; border-color: var(--ok); font-size: clamp(16px, 4.4vw, 21px); padding: 4px 10px; cursor: default; }

/* giỏ phân loại */
.baskets { width: 100%; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.baskets.n3 { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.baskets.n3 .bk-label, .baskets.n4 .bk-label { font-size: 30px; }
.bk0, .bk1, .bk2, .bk3 { border: 4px solid; border-radius: 6px 6px 26px 26px; padding: 8px 8px 12px; background: #fff; display: grid; gap: 8px; align-content: start; min-height: 170px; }
.bk0 { border-color: var(--btn-blue); }
.bk1 { border-color: var(--btn-orange); }
.bk2 { border-color: var(--ok); }
.bk3 { border-color: #b06ad8; }
.bk-label { font-family: var(--font-display); font-weight: 800; font-size: 36px; line-height: 1; }
.bk0 .bk-label { color: var(--btn-blue); }
.bk1 .bk-label { color: var(--btn-orange); }
.bk2 .bk-label { color: var(--ok); }
.bk3 .bk-label { color: #b06ad8; }
.baskets .zone { flex-direction: column; align-items: stretch; }

/* lật thẻ */
.mem-grid { width: 100%; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.mem { position: relative; aspect-ratio: 1; padding: 0; background: transparent; perspective: 600px; }
.mem .face {
  position: absolute; inset: 0; border-radius: 14px; display: grid; place-items: center; backface-visibility: hidden;
  transition: transform .35s; overflow: hidden; padding: 4px;
}
.mem .back { background: var(--btn-blue); color: #cfe8ff; font-size: 38px; box-shadow: 0 4px 0 #234f95; }
.mem .front { background: #fff; border: 3px solid #f0c24b; transform: rotateY(180deg); font-size: clamp(15px, 4.2vw, 19px); line-height: 1.15; text-align: center; overflow-wrap: anywhere; color: var(--ink); }
.mem .front img { width: 100%; height: 100%; object-fit: contain; }
.mem.flip .back { transform: rotateY(180deg); }
.mem.flip .front { transform: rotateY(0); }
.mem.done .front { border-color: var(--ok); background: #e7f9ec; }

/* tìm từ đúng */
.find-grid { width: 100%; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.find {
  min-height: 62px; border-radius: 16px; background: #fff; border: 3px solid var(--sky-deep); box-shadow: 0 4px 0 var(--sky-deep);
  font-family: var(--font-display); font-weight: 700; font-size: clamp(20px, 5.4vw, 26px); color: var(--ink); padding: 6px 10px; overflow-wrap: anywhere;
}
.find.on { background: #fff3d8; border-color: var(--btn-orange); box-shadow: 0 4px 0 #e0a03a; }
.find.good { background: var(--ok); border-color: var(--ok); color: #fff; box-shadow: 0 4px 0 #168a35; }
.find.gone { opacity: .55; }
.find.bad { background: #ffd9db; border-color: var(--bad); animation: shake .35s; }
@media (prefers-reduced-motion: reduce) {
  .tok.bad, .find.bad { animation: none; }
  .mem .face { transition: none; }
}

/* Chọn tuần (issue 004) */
.week-sec { margin: 4px 0 14px; }
.week-row {
  display: flex; gap: 10px; overflow-x: auto; scroll-snap-type: x proximity; padding: 6px 4px 12px;
  -webkit-overflow-scrolling: touch; scrollbar-width: thin;
}
.week-btn {
  flex: 0 0 auto; min-width: 84px; min-height: 56px; padding: 6px 12px; scroll-snap-align: center;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px;
  font-family: var(--font-body); color: #fff; background: var(--btn-blue); border: 3px solid var(--btn-blue);
  border-radius: 16px; cursor: pointer; box-shadow: 0 4px 0 rgba(23,51,90,.35);
}
.week-btn.sel { border-color: var(--gold); outline: 3px solid var(--ink); outline-offset: 1px; font-weight: 800; }
.week-btn:disabled { background: #c3ccd6; border-color: #c3ccd6; color: #6b7785; cursor: not-allowed; box-shadow: none; }
.week-n { font-family: var(--font-display); font-size: 18px; font-weight: 800; }
.week-d { font-size: 12px; opacity: .9; }
.week-lessons { display: grid; grid-template-rows: 1fr; transition: grid-template-rows .3s ease, opacity .3s ease; }
.week-lessons.collapsed { grid-template-rows: 0fr; opacity: 0; }
.week-lessons-in { overflow: hidden; min-height: 0; }
.week-empty { text-align: center; color: var(--ink-soft); font-weight: 700; padding: 20px 0; }
@media (prefers-reduced-motion: reduce) { .week-lessons { transition: none; } }

/* Luyện đọc (issue 006) */
.read-weeks { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; margin: 6px 0 14px; }
.read-week {
  min-height: 64px; padding: 8px 14px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px;
  font-family: var(--font-body); color: #fff; background: var(--btn-blue); border: 3px solid var(--btn-blue);
  border-radius: 16px; cursor: pointer; box-shadow: 0 4px 0 rgba(23,51,90,.35);
}
.read-week.cur { border-color: var(--gold); outline: 3px solid var(--ink); outline-offset: 1px; }
.read-week:disabled { background: #c3ccd6; border-color: #c3ccd6; color: #6b7785; cursor: not-allowed; box-shadow: none; }
.read-week-n { font-family: var(--font-display); font-size: 19px; font-weight: 800; }
.read-week .stars { min-height: 0; font-size: 16px; }
.read-card { align-items: center; text-align: center; gap: 14px; }
.read-info { display: flex; justify-content: space-between; align-self: stretch; gap: 10px; font-weight: 800; color: var(--ink-soft); font-size: 16px; }
.read-card .progress { align-self: stretch; }
.read-word {
  font-family: var(--font-display); font-weight: 800; color: var(--ink); line-height: 1.5; padding: 14px 0;
  min-height: 38vh; display: flex; align-items: center; justify-content: center; overflow-wrap: anywhere; max-width: 100%;
}
.read-ok { width: 100%; min-height: 64px; }
.read-back { background: none; border: 0; color: var(--ink-soft); font: inherit; font-size: 15px; font-weight: 700; cursor: pointer; padding: 8px 12px; }