/* FunnySpeak — bố cục: app một cột kiểu điện thoại (tối đa 560px), thanh tab dưới đáy; trang chủ rộng hơn cho Google + máy tính.
   Màu: xanh lá ngọc (lá chuối, bàn ăn gia đình) + vàng nắng sáng; góc ngủ ngon luôn tông đêm xanh tím. */
:root {
  --nen: #F1F6F3; --mat: #FFFFFF; --mat2: #F7FAF8; --muc: #15302B; --phu: #587069; --vien: #DAE6E1;
  --xanh: #0E6E62; --xanh-dam: #0A5148; --xanh-nhat: #D7EEE7; --nang: #FFC83D; --nang-nhat: #FFF2CC; --hong: #CF4677; --hong-nhat: #FBE3EC; --do: #C2412D;
  --bong: 0 1px 2px rgba(21,48,43,.06), 0 6px 18px rgba(21,48,43,.07);
  --f-tieu-de: "Baloo 2", "Be Vietnam Pro", system-ui, sans-serif;
  --f-chu: "Be Vietnam Pro", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --r: 18px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) {
  --nen: #0D1917; --mat: #152521; --mat2: #1A2D29; --muc: #E5F1ED; --phu: #9AB3AC; --vien: #25403A;
  --xanh: #3DC3A8; --xanh-dam: #7FDCC8; --xanh-nhat: #18403A; --nang: #FFD55E; --nang-nhat: #3A3216; --hong: #F07BA4; --hong-nhat: #3D1F2B; --do: #FF8A73;
  --bong: 0 1px 2px rgba(0,0,0,.3), 0 6px 18px rgba(0,0,0,.25); color-scheme: dark } }
:root[data-theme="dark"] {
  --nen: #0D1917; --mat: #152521; --mat2: #1A2D29; --muc: #E5F1ED; --phu: #9AB3AC; --vien: #25403A;
  --xanh: #3DC3A8; --xanh-dam: #7FDCC8; --xanh-nhat: #18403A; --nang: #FFD55E; --nang-nhat: #3A3216; --hong: #F07BA4; --hong-nhat: #3D1F2B; --do: #FF8A73;
  --bong: 0 1px 2px rgba(0,0,0,.3), 0 6px 18px rgba(0,0,0,.25); color-scheme: dark }

*, *::before, *::after { box-sizing: border-box }
html { -webkit-text-size-adjust: 100%; padding-top: env(safe-area-inset-top, 0px) }
body { margin: 0; background: var(--nen); color: var(--muc); font: 400 16px/1.55 var(--f-chu); -webkit-tap-highlight-color: transparent }
img { max-width: 100%; display: block }
[hidden] { display: none !important }
h1, h2, h3 { font-family: var(--f-tieu-de); line-height: 1.15; text-wrap: balance; margin: 0 }
button, input, select { font: inherit; color: inherit }
button { cursor: pointer }
:focus-visible { outline: 3px solid var(--nang); outline-offset: 2px; border-radius: 8px }
.skip { position: absolute; left: -999px } .skip:focus { left: 16px; top: 8px; z-index: 99; background: var(--mat); padding: 8px 12px }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important } }

/* ---------- nút ---------- */
.nut { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: 0; border-radius: 999px; background: var(--xanh); color: #fff; font-weight: 700; padding: 12px 22px; text-decoration: none; min-height: 46px }
:root:not([data-theme="light"]) .nut { color: #fff }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .nut { color: #06231E } }
:root[data-theme="dark"] .nut { color: #06231E }
.nut:active { transform: scale(.97) }
.nut-nho { padding: 8px 16px; min-height: 38px; font-size: 14px }
.nut-to { width: 100%; font-size: 18px; min-height: 54px }
.nut-phu { background: var(--xanh-nhat); color: var(--xanh-dam) }
.nut-vang { background: var(--nang); color: #3A2A00 }
.nut-vien { background: transparent; color: var(--xanh-dam); box-shadow: inset 0 0 0 2px var(--xanh) }
.tron { width: 46px; height: 46px; border-radius: 50%; border: 0; display: inline-grid; place-items: center; background: var(--xanh); color: #fff; flex: none }
.tron svg { width: 22px; height: 22px }
.tron.phu { background: var(--xanh-nhat); color: var(--xanh-dam) }
.tron.vang { background: var(--nang); color: #3A2A00 }
.tron.hong { background: var(--hong-nhat); color: var(--hong) }
.tron.nho { width: 38px; height: 38px } .tron.nho svg { width: 18px; height: 18px }
.tron.dang { animation: nhip 1s infinite }
.tron.ghi { background: var(--do); color: #fff; animation: nhip .8s infinite }
@keyframes nhip { 50% { transform: scale(1.08) } }

/* ---------- TRANG CHỦ ---------- */
.tc-wrap { max-width: 1060px; margin: 0 auto; padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)) }
.tc-dau { position: sticky; top: 0; z-index: 5; background: color-mix(in srgb, var(--nen) 88%, transparent); backdrop-filter: blur(8px) }
.tc-dau-in { display: flex; align-items: center; justify-content: space-between; padding-block: 10px }
.logo { display: inline-flex; align-items: center; gap: 8px; font: 800 24px var(--f-tieu-de); color: var(--xanh-dam) }
.logo svg { width: 34px; height: 34px }
.tc-hero { background: linear-gradient(170deg, var(--xanh-nhat), var(--nen) 70%) }
.tc-hero-in { display: grid; grid-template-columns: 1.15fr .85fr; gap: 32px; align-items: center; padding-block: 36px 48px }
.eyebrow { text-transform: uppercase; letter-spacing: .08em; font-size: 13px; font-weight: 700; color: var(--xanh); margin: 0 0 10px }
.tc-hero h1 { font-size: clamp(36px, 6vw, 60px); font-weight: 800; color: var(--muc) }
.tc-hero h1 span { color: var(--xanh) }
.lead { font-size: 18px; color: var(--phu); max-width: 34em; margin: 16px 0 10px }
.chu-de { display: inline-block; background: var(--nang-nhat); border-radius: 12px; padding: 8px 12px; font-weight: 600; font-size: 15px; margin: 0 0 20px }
.dt { background: var(--mat); border-radius: 28px; padding: 18px; box-shadow: var(--bong); display: grid; gap: 10px; max-width: 340px; margin-left: auto; border: 8px solid var(--muc) }
.dt-bubble { padding: 10px 14px; border-radius: 18px; font-weight: 600; max-width: 85%; font-size: 15px }
.dt-bubble.m { background: var(--xanh-nhat); color: var(--xanh-dam); border-bottom-left-radius: 4px }
.dt-bubble.c { background: var(--nang-nhat); justify-self: end; border-bottom-right-radius: 4px }
.dt-anh { border-radius: 16px; overflow: hidden; background: var(--mat2); display: grid; grid-template-columns: 96px 1fr; align-items: center; gap: 0 12px }
.dt-anh img { width: 96px; height: 72px; object-fit: cover; grid-row: span 2 }
.dt-anh b { font: 700 22px var(--f-tieu-de); align-self: end } .dt-anh i { color: var(--phu); font-style: normal; font-size: 14px; align-self: start }
.tc-muc { padding-block: 36px 8px }
.tc-muc h2 { font-size: clamp(26px, 4vw, 34px); margin-bottom: 18px }
.the-luoi { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px }
.the-luoi article { background: var(--mat); border-radius: var(--r); padding: 18px; border: 1px solid var(--vien) }
.the-luoi h3 { font-size: 21px; color: var(--xanh-dam); margin-bottom: 6px }
.the-luoi p { margin: 0; color: var(--phu); font-size: 15px }
.cau-mau { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px 24px }
.cau-mau li { padding: 10px 0; border-bottom: 1px dashed var(--vien); color: var(--phu) }
.cau-mau b { display: block; color: var(--muc); font-size: 17px }
.tc-cach ol { margin: 0; padding-left: 22px; display: grid; gap: 8px; max-width: 40em } .tc-cach b { color: var(--xanh-dam) }
.the-vao { background: var(--mat); border-radius: 26px; padding: 26px; box-shadow: var(--bong); max-width: 520px; margin: 0 auto; border-top: 6px solid var(--nang) }
.the-vao p { color: var(--phu); margin: 6px 0 14px }
form label { display: block; font-weight: 600; font-size: 14px; margin: 12px 0 6px }
form input:not([type=checkbox]), form select, .o { width: 100%; border: 1.5px solid var(--vien); background: var(--mat2); border-radius: 14px; padding: 12px 14px; font-size: 17px; min-height: 50px }
form input:focus, form select:focus { border-color: var(--xanh); outline: none }
.hai-cot { display: grid; grid-template-columns: 1fr 1fr; gap: 12px }
.dong-y { display: flex !important; gap: 10px; align-items: flex-start; font-weight: 400 !important; color: var(--phu); font-size: 13.5px !important; line-height: 1.45 }
.dong-y input { width: 20px; height: 20px; margin-top: 1px; flex: none; accent-color: var(--xanh) }
.loi { color: var(--do); min-height: 1.4em; font-weight: 600; font-size: 14px; margin: 10px 0 }
.tc-hoi details { background: var(--mat); border-radius: 14px; padding: 14px 16px; margin-bottom: 8px; border: 1px solid var(--vien) }
.tc-hoi summary { font-weight: 700; cursor: pointer } .tc-hoi details p { margin: 8px 0 0; color: var(--phu) }
.tc-chan { padding-block: 32px 40px; color: var(--phu); font-size: 13px; text-align: center }
@media (max-width: 760px) {
  .tc-hero-in { grid-template-columns: 1fr; padding-block: 20px 32px }
  .dt { margin: 0 auto }
  .the-luoi, .cau-mau { grid-template-columns: 1fr }
}

/* ---------- APP ---------- */
#app { max-width: 560px; margin: 0 auto; min-height: 100vh; min-height: 100dvh; padding-bottom: calc(84px + env(safe-area-inset-bottom, 0px)) }
.dau { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 10; background: var(--nen); display: flex; align-items: center; gap: 8px; padding: 10px max(16px, env(safe-area-inset-right, 0px)) 8px max(16px, env(safe-area-inset-left, 0px)) }
.dau .logo { font-size: 21px; margin-right: auto } .dau .logo svg { width: 28px; height: 28px }
.chip { display: inline-flex; align-items: center; gap: 6px; border: 0; border-radius: 999px; padding: 7px 12px; font-weight: 700; font-size: 13.5px; background: var(--mat); box-shadow: inset 0 0 0 1.5px var(--vien); white-space: nowrap }
.chip.con { background: var(--hong-nhat); color: var(--hong); box-shadow: none }
.chip.minh { background: var(--xanh-nhat); color: var(--xanh-dam); box-shadow: none }
.chip.diem { background: var(--nang-nhat); box-shadow: none }
.than { padding: 4px max(16px, env(safe-area-inset-right, 0px)) 24px max(16px, env(safe-area-inset-left, 0px)) }
.tieu { font-size: 28px; font-weight: 800; margin: 6px 0 2px }
.mo-ta { color: var(--phu); margin: 0 0 14px; font-size: 15px }
.nav { position: fixed; left: 0; right: 0; bottom: 0; z-index: 20; background: var(--mat); border-top: 1px solid var(--vien); padding: 6px max(8px, env(safe-area-inset-right, 0px)) calc(6px + env(safe-area-inset-bottom, 0px)) max(8px, env(safe-area-inset-left, 0px)) }
.nav-in { max-width: 560px; margin: 0 auto; display: grid; grid-template-columns: repeat(6, 1fr) }
.nav button { border: 0; background: none; display: grid; justify-items: center; gap: 2px; padding: 6px 0; font-size: 11px; font-weight: 600; color: var(--phu); border-radius: 12px; min-width: 0 }
.nav button svg { width: 24px; height: 24px }
.nav button[aria-current="page"] { color: var(--xanh-dam); background: var(--xanh-nhat) }
.nav button span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 100% }

.seg { display: flex; gap: 6px; overflow-x: auto; scrollbar-width: none; margin: 0 -16px 12px; padding: 2px 16px }
.seg::-webkit-scrollbar { display: none }
.seg button { border: 0; flex: none; border-radius: 999px; padding: 8px 14px; background: var(--mat); box-shadow: inset 0 0 0 1.5px var(--vien); font-weight: 600; font-size: 14px }
.seg button[aria-pressed="true"] { background: var(--muc); color: var(--nen); box-shadow: none }

/* thẻ câu nói */
.nhom-dau { display: flex; align-items: baseline; gap: 10px; margin: 18px 0 8px }
.nhom-dau h3 { font-size: 22px } .nhom-dau small { color: var(--phu); font-weight: 600 }
.cau { background: var(--mat); border-radius: var(--r); padding: 14px; margin-bottom: 10px; box-shadow: var(--bong) }
.cau-en { font: 700 21px/1.3 var(--f-tieu-de); margin: 0 }
.cau-vi { color: var(--phu); margin: 2px 0 0; font-size: 15px }
.cau-hang { display: flex; gap: 8px; align-items: center; margin-top: 10px; flex-wrap: wrap }
.cau-hang .gian { margin-left: auto }
.dap { display: flex; gap: 10px; align-items: center; margin-top: 10px; padding: 8px 10px; background: var(--nang-nhat); border-radius: 14px }
.dap b { font-weight: 700 } .dap small { display: block; color: var(--phu) } .dap > div { min-width: 0; flex: 1 }
.nhan { font-size: 11px; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; color: var(--phu) }
.da-noi { border: 0; border-radius: 999px; padding: 8px 12px; font-weight: 700; font-size: 13.5px; background: var(--mat2); box-shadow: inset 0 0 0 1.5px var(--vien); display: inline-flex; gap: 6px; align-items: center }
.da-noi svg { width: 16px; height: 16px }
.da-noi.xong { background: var(--xanh); color: #fff; box-shadow: none }
.cham { margin-top: 10px; border-radius: 14px; padding: 10px 12px; background: var(--mat2); font-size: 14px }
.cham .so { font: 800 26px var(--f-tieu-de) } .cham .tu-ok { color: var(--xanh-dam); font-weight: 700 } .cham .tu-sai { color: var(--do); text-decoration: underline wavy; font-weight: 700 }

/* từ mới */
.luoi-tu { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px }
.tu { background: var(--mat); border-radius: var(--r); overflow: hidden; box-shadow: var(--bong); border: 0; padding: 0; text-align: left; display: block; width: 100% }
.tu img { width: 100%; height: auto; aspect-ratio: 4/3; object-fit: cover; background: var(--mat2) }
.tu div { padding: 8px 12px 10px } .tu b { font: 700 20px var(--f-tieu-de); display: block } .tu small { color: var(--phu) }
.tu.dung { box-shadow: 0 0 0 4px var(--xanh) } .tu.sai { box-shadow: 0 0 0 4px var(--do); animation: lac .4s }
@keyframes lac { 25% { transform: translateX(-5px) } 75% { transform: translateX(5px) } }
.the-to { background: var(--mat); border-radius: 24px; overflow: hidden; box-shadow: var(--bong) }
.the-to img { width: 100%; height: auto; aspect-ratio: 4/3; object-fit: cover }
.the-to .trong { padding: 14px 16px 16px }
.the-to h3 { font-size: 38px; font-weight: 800 }
.ipa { color: var(--phu); font-family: ui-monospace, Consolas, monospace; font-size: 15px }
.do-vui { background: var(--nang-nhat); border-radius: var(--r); padding: 14px; margin-bottom: 14px; display: flex; align-items: center; gap: 12px }
.do-vui p { margin: 0; flex: 1; font-weight: 600 }

/* tình huống */
.ds-th { display: grid; gap: 10px }
.th { display: flex; gap: 12px; align-items: center; background: var(--mat); border: 0; border-radius: var(--r); padding: 12px 14px; box-shadow: var(--bong); text-align: left; width: 100% }
.th .ic { font-size: 30px; width: 48px; height: 48px; display: grid; place-items: center; background: var(--mat2); border-radius: 14px; flex: none }
.th b { display: block; font-size: 17px } .th small { color: var(--phu); display: block } .th > span:nth-child(2) { flex: 1; min-width: 0 }
.th .ok { color: var(--xanh); width: 22px; height: 22px }
.hoi-thoai { display: grid; gap: 10px; margin: 14px 0 }
.loi-noi { display: flex; gap: 10px; align-items: flex-end; max-width: 92% }
.loi-noi.phai { margin-left: auto; flex-direction: row-reverse }
.av { width: 38px; height: 38px; border-radius: 50%; display: grid; place-items: center; font-weight: 800; font-size: 13px; flex: none; color: #fff }
.av.M { background: #D8578A } .av.B { background: #2F7FC1 } .av.C { background: #E89A1C } .av.G { background: #8A62C9 } .av.D { background: #2E9C84 } .av.N { background: #6B7F7A }
.bong-noi { background: var(--mat); border-radius: 18px; padding: 10px 14px; box-shadow: var(--bong); min-width: 0 }
.phai .bong-noi { background: var(--nang-nhat) }
.bong-noi b { display: block; font-size: 17px } .bong-noi small { color: var(--phu) }
.loi-noi.dang .bong-noi { box-shadow: 0 0 0 3px var(--xanh) }
.loi-noi.cho .bong-noi { box-shadow: 0 0 0 3px var(--hong); animation: nhip 1.2s infinite }
.loi-noi.mo { opacity: .35 }
.thanh-dk { position: sticky; bottom: calc(80px + env(safe-area-inset-bottom, 0px)); background: var(--mat); border-radius: 20px; box-shadow: var(--bong); padding: 10px 12px; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; z-index: 5 }
.thanh-dk p { margin: 0; flex: 1 1 140px; font-size: 14px; font-weight: 600 }
.chon-vai { display: flex; gap: 8px; flex-wrap: wrap; margin: 8px 0 }

/* hoạt hình */
.ds-phim { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px }
.phim { border: 0; padding: 0; background: var(--mat); border-radius: var(--r); overflow: hidden; box-shadow: var(--bong); text-align: left }
.phim .nho { aspect-ratio: 16/9; display: block; width: 100% }
.phim div { padding: 8px 12px 10px } .phim b { display: block; font-size: 15px; line-height: 1.3 } .phim small { color: var(--phu) }
.san { position: relative; border-radius: 20px; overflow: hidden; background: #000; box-shadow: var(--bong) }
.san svg { display: block; width: 100%; height: auto }
.phu-de { position: absolute; left: 8px; right: 8px; bottom: 8px; text-align: center; pointer-events: none }
.phu-de b { display: inline-block; background: rgba(0,0,0,.72); color: #fff; font: 700 clamp(16px, 4.6vw, 22px)/1.25 var(--f-tieu-de); padding: 4px 12px; border-radius: 10px }
.phu-de small { display: block; margin-top: 4px } .phu-de small span { background: rgba(0,0,0,.6); color: #FFE7A3; padding: 2px 10px; border-radius: 8px; font-size: 13.5px }
.nhac-noi { position: absolute; top: 10px; left: 50%; transform: translateX(-50%); background: var(--nang); color: #3A2A00; font-weight: 800; padding: 6px 14px; border-radius: 999px; font-size: 14px; animation: nhip 1s infinite }
.dk-phim { display: flex; gap: 8px; align-items: center; margin: 12px 0; flex-wrap: wrap }
.dk-phim .gian { flex: 1 }
.tien-do { height: 6px; background: var(--vien); border-radius: 9px; overflow: hidden; margin-top: 8px } .tien-do i { display: block; height: 100%; background: var(--xanh); transition: width .3s }
.bat-tat { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; font-size: 14px; background: var(--mat); border-radius: 999px; padding: 6px 12px; box-shadow: inset 0 0 0 1.5px var(--vien) }
.bat-tat input { width: 18px; height: 18px; accent-color: var(--xanh) }

/* hôm nay */
.chao { background: linear-gradient(150deg, var(--xanh), var(--xanh-dam)); color: #fff; border-radius: 24px; padding: 18px; margin-top: 6px; position: relative; overflow: hidden }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .chao { background: linear-gradient(150deg, #13574E, #0D3B35) } }
:root[data-theme="dark"] .chao { background: linear-gradient(150deg, #13574E, #0D3B35) }
.chao h2 { font-size: 26px } .chao p { margin: 4px 0 0; opacity: .92 }
.cap { margin-top: 14px; display: flex; gap: 10px; align-items: center }
.cap .vach { flex: 1; height: 10px; background: rgba(255,255,255,.25); border-radius: 9px; overflow: hidden } .cap .vach i { display: block; height: 100%; background: var(--nang) }
.cap b { font-family: var(--f-tieu-de); font-size: 18px }
.chao .chuoi { position: absolute; right: 14px; top: 14px; background: rgba(255,255,255,.18); border-radius: 999px; padding: 4px 10px; font-weight: 700; font-size: 13px }
.buoc { display: flex; gap: 12px; align-items: center; background: var(--mat); border-radius: var(--r); padding: 12px 14px; margin-bottom: 8px; box-shadow: var(--bong); border: 0; width: 100%; text-align: left }
.buoc .so { width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; font-weight: 800; background: var(--mat2); box-shadow: inset 0 0 0 2px var(--vien); flex: none }
.buoc.xong .so { background: var(--xanh); color: #fff; box-shadow: none }
.buoc b { display: block } .buoc small { color: var(--phu); display: block } .buoc > span:nth-child(2) { flex: 1; min-width: 0 }
.buoc .toi { width: 18px; height: 18px; color: var(--phu) }
.nl { display: grid; gap: 10px; background: var(--mat); border-radius: var(--r); padding: 14px; box-shadow: var(--bong) }
.nl-hang { display: grid; grid-template-columns: 96px 1fr 52px; gap: 10px; align-items: center; font-size: 14px }
.nl-hang .vach { height: 10px; background: var(--mat2); border-radius: 9px; overflow: hidden; box-shadow: inset 0 0 0 1px var(--vien) } .nl-hang .vach i { display: block; height: 100% }
.nl-hang em { font-style: normal; text-align: right; font-weight: 700; font-variant-numeric: tabular-nums }
.khoa { display: flex; gap: 12px; align-items: flex-start; background: var(--mat); border-radius: var(--r); padding: 14px; margin-bottom: 8px; box-shadow: var(--bong) }
.khoa .ic { width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; background: var(--xanh-nhat); color: var(--xanh-dam); flex: none } .khoa .ic svg { width: 22px; height: 22px }
.khoa.dong .ic { background: var(--mat2); color: var(--phu) }
.khoa b { display: block } .khoa p { margin: 2px 0 8px; color: var(--phu); font-size: 14px } .khoa > div { flex: 1; min-width: 0 }
.ghi-chu { font-size: 13px; color: var(--phu) }

/* ngủ ngon — luôn tông đêm */
.dem { --d-nen: #141B3A; --d-mat: #1E2752; --d-chu: #EEF0FF; --d-phu: #AEB6E6; --d-sao: #FFE29A; background: radial-gradient(120% 80% at 80% 0%, #2B3570, var(--d-nen) 60%); color: var(--d-chu); border-radius: 24px; padding: 18px 16px; margin-top: 6px; overflow: hidden; position: relative }
.dem .tieu { color: var(--d-chu) } .dem .mo-ta { color: var(--d-phu) }
.dem .bo { border: 0; width: 100%; text-align: left; display: flex; gap: 12px; align-items: center; background: var(--d-mat); color: var(--d-chu); border-radius: 18px; padding: 12px 14px; margin-bottom: 8px }
.dem .bo i { width: 14px; height: 40px; border-radius: 8px; flex: none } .dem .bo b { display: block; font-size: 17px } .dem .bo small { color: var(--d-phu) } .dem .bo > span { flex: 1 }
.dem h3 { font-size: 20px; margin: 18px 0 8px; color: var(--d-sao) }
.dem .nut-phu { background: var(--d-mat); color: var(--d-chu) }
.dem .tron.phu { background: var(--d-mat); color: var(--d-chu) }
.dem .tron { background: var(--d-sao); color: #1A1F40 }
.dem .bat-tat, .dem .seg button { background: var(--d-mat); color: var(--d-chu); box-shadow: none }
.dem .seg button[aria-pressed="true"] { background: var(--d-sao); color: #1A1F40 }
.ru { text-align: center; padding: 26px 6px 10px; min-height: 200px; display: grid; align-content: center; gap: 10px }
.ru .en { font: 700 clamp(24px, 7vw, 32px)/1.25 var(--f-tieu-de); color: var(--d-chu); transition: opacity .8s }
.ru .vi { color: var(--d-phu); font-size: 16px; transition: opacity .8s }
.sao-nen { position: absolute; inset: 0; pointer-events: none; opacity: .7 }
.sao-nen i { position: absolute; width: 3px; height: 3px; border-radius: 50%; background: #fff; animation: lap 3s infinite }
@keyframes lap { 50% { opacity: .2 } }
.man-toi { position: fixed; inset: 0; z-index: 100; background: #000; color: #4a4f6b; display: grid; place-items: center; text-align: center; font-size: 14px; padding: 24px }
.man-toi b { display: block; color: #6c7196; font-size: 18px; margin-bottom: 6px; font-weight: 600 }

/* bảng trượt + thông báo */
.man { position: fixed; inset: 0; z-index: 50; background: rgba(8,20,18,.5); display: grid; align-items: end; justify-items: center }
.bang { background: var(--mat); width: 100%; max-width: 560px; border-radius: 26px 26px 0 0; padding: 20px max(16px, env(safe-area-inset-right, 0px)) calc(20px + env(safe-area-inset-bottom, 0px)) max(16px, env(safe-area-inset-left, 0px)); max-height: 88vh; overflow: auto; animation: len .25s ease-out }
@keyframes len { from { transform: translateY(40px); opacity: 0 } }
.bang h3 { font-size: 24px; margin-bottom: 6px }
.lua-chon { display: grid; gap: 10px; margin-top: 14px }
.lua-chon button { border: 0; border-radius: 18px; padding: 14px; text-align: left; display: flex; gap: 12px; align-items: center; background: var(--mat2); box-shadow: inset 0 0 0 1.5px var(--vien) }
.lua-chon button span:first-child { font-size: 30px } .lua-chon b { display: block; font-size: 17px } .lua-chon small { color: var(--phu) }
.bao { position: fixed; left: 50%; bottom: calc(96px + env(safe-area-inset-bottom, 0px)); transform: translateX(-50%); background: var(--muc); color: var(--nen); padding: 10px 16px; border-radius: 999px; font-weight: 700; z-index: 60; box-shadow: var(--bong); max-width: calc(100% - 32px); text-align: center; animation: len .2s }
.phao { position: fixed; inset: 0; pointer-events: none; z-index: 70; overflow: hidden }
.phao i { position: absolute; top: -20px; width: 10px; height: 14px; border-radius: 3px; animation: roi 1.8s ease-in forwards }
@keyframes roi { to { transform: translateY(110vh) rotate(540deg) } }
.lui { border: 0; background: none; display: inline-flex; align-items: center; gap: 4px; font-weight: 700; color: var(--xanh-dam); padding: 6px 0; margin-bottom: 4px }
.lui svg { width: 20px; height: 20px }
.trong-rong { text-align: center; color: var(--phu); padding: 20px }
.nguon-anh { font-size: 12px; color: var(--phu); line-height: 1.5 } .nguon-anh a { color: inherit }
.dap .nhan { display: block }
@media (max-width: 400px) { .nav button { font-size: 10.5px; letter-spacing: -.15px } }
.san .phu-de { position: static; padding: 10px 12px 12px; background: #10241F; min-height: 74px }
.san .phu-de b { background: none; padding: 0 }
.san .phu-de small span { background: none; padding: 0 }

/* ===== bản 2 (03/11 tối): phiên âm, ví, kho 50 bài, chấm 3 tiêu chí, ngủ ngon liền mạch ===== */
.pa { margin: 3px 0 0; display: grid; gap: 1px }
.pa .ipa { font-family: "Segoe UI", "Noto Sans", "Lucida Sans Unicode", Arial, sans-serif; color: var(--phu); font-size: 14px; letter-spacing: .01em }
.pa .boi { color: var(--hong); font-size: 14.5px; font-weight: 600; font-style: italic }
.pa.nho .ipa, .pa.nho .boi { font-size: 12.5px }
.gia { flex: none; font-size: 12px; font-weight: 800; padding: 3px 9px; border-radius: 999px; background: var(--nang-nhat); color: #7a5600; white-space: nowrap }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .gia { color: var(--nang) } }
:root[data-theme="dark"] .gia { color: var(--nang) }
.gia.mien { background: var(--xanh-nhat); color: var(--xanh-dam) }
.gia.roi { background: var(--mat2); color: var(--phu) }
.chip.vi { background: var(--nang-nhat); box-shadow: none }
.vi-the { margin-top: 12px; width: 100%; border: 0; border-radius: 16px; padding: 10px 14px; background: rgba(255,255,255,.16); color: #fff; display: flex; justify-content: space-between; gap: 8px; flex-wrap: wrap; font-size: 14px; text-align: left }
.vi-the b { font-family: var(--f-tieu-de); font-size: 18px }
.ke-goi { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px }
.goi { border: 0; text-align: left; background: var(--mat); border-radius: var(--r); padding: 14px; box-shadow: var(--bong); display: grid; gap: 4px; position: relative; overflow: hidden; border-top: 5px solid var(--mau) }
.goi-ic { font-size: 28px } .goi b { font: 700 18px/1.2 var(--f-tieu-de) } .goi small { color: var(--phu); font-size: 13px; line-height: 1.35 }
.goi-so { font-size: 11.5px; font-weight: 700; color: var(--xanh-dam) }
.goi-dau { display: flex; gap: 12px; align-items: center; background: var(--mat); border-radius: var(--r); padding: 14px; margin-bottom: 12px; border-left: 6px solid var(--mau) }
.goi-dau .goi-ic { font-size: 40px } .goi-dau p { margin: 2px 0 0; color: var(--phu) }
.buoc-anh { width: 48px; height: 48px; border-radius: 12px; object-fit: cover; flex: none }
.cau-tu { cursor: default } .cau-tu .trong { padding: 8px 12px 10px }
.emoji-to { display: grid; place-items: center; font-size: 64px; aspect-ratio: 4/3; background: var(--mat2) }
.vd { margin: 6px 0 0; font-size: 14px } .vd small { color: var(--phu) }
.cau-tu .cau-hang { margin-top: 6px }
.bai-xong { text-align: center; font-weight: 700; color: var(--xanh-dam); background: var(--xanh-nhat); border-radius: 14px; padding: 12px; display: flex; gap: 10px; align-items: center; justify-content: center; flex-wrap: wrap }
.hd { background: var(--nang-nhat); border-radius: 16px; padding: 10px 14px; margin-bottom: 12px }
.hd summary { font-weight: 800; cursor: pointer } .hd ol { margin: 8px 0 0; padding-left: 20px; display: grid; gap: 6px; font-size: 14.5px }
.cham-dau { display: flex; align-items: baseline; gap: 6px; margin-bottom: 6px }
.tc { display: grid; grid-template-columns: 78px 1fr 30px; gap: 8px; align-items: center; font-size: 13.5px; margin-top: 4px }
.tc .vach { height: 8px; background: var(--vien); border-radius: 9px; overflow: hidden } .tc .vach i { display: block; height: 100% }
.tc b { text-align: right; font-variant-numeric: tabular-nums }
.tc-ghi { display: block; color: var(--phu); margin: 1px 0 0 86px; font-size: 12.5px }
.tu-ds { margin: 8px 0 4px }
.vi-so { text-align: center; margin: 8px 0 12px } .vi-so b { display: block; font: 800 40px var(--f-tieu-de); color: var(--xanh-dam) } .vi-so span { color: var(--phu) }
.vi-hang { display: grid; grid-template-columns: 112px 1fr 72px; gap: 8px; align-items: center; font-size: 14px; margin-bottom: 8px }
.vi-hang .vach { height: 10px; background: var(--mat2); border-radius: 9px; overflow: hidden; box-shadow: inset 0 0 0 1px var(--vien) } .vi-hang .vach i { display: block; height: 100%; background: var(--xanh) }
.vi-hang b { text-align: right; font-variant-numeric: tabular-nums }
.ls-ds { display: grid; gap: 2px; max-height: 260px; overflow: auto }
.ls { display: grid; grid-template-columns: 82px 1fr auto; gap: 8px; font-size: 13px; padding: 6px 0; border-bottom: 1px dashed var(--vien) } .ls span:first-child { color: var(--phu); font-variant-numeric: tabular-nums }
.ls .cong { color: var(--xanh-dam) } .ls .tru { color: var(--do) }
.chon-tien { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin: 10px 0 }
.chon-tien button { border: 0; border-radius: 14px; padding: 12px 0; font: 800 18px var(--f-tieu-de); background: var(--mat2); box-shadow: inset 0 0 0 1.5px var(--vien) }
.chon-tien button[aria-pressed="true"] { background: var(--xanh); color: #fff; box-shadow: none }
.qr-the { margin-top: 14px; background: var(--mat2); border-radius: 18px; padding: 14px; display: grid; gap: 8px }
.qr-the canvas { width: 220px; height: 220px; margin: 0 auto; border-radius: 10px; background: #fff }
.qr-tien { text-align: center; font: 800 26px var(--f-tieu-de); color: var(--xanh-dam) }
.ck { display: flex; gap: 8px; align-items: center; font-size: 14px; border-bottom: 1px dashed var(--vien); padding: 4px 0 } .ck span { color: var(--phu); width: 104px; flex: none } .ck b { flex: 1; min-width: 0; overflow-wrap: anywhere }
.ru { text-align: left; padding: 18px 4px 8px; min-height: 0; display: block }
.ru-ten { color: var(--d-sao); font-weight: 700; margin-bottom: 8px }
.ru-chu { max-height: 220px; overflow: auto; font: 600 19px/1.6 var(--f-chu); color: rgba(238,240,255,.45); padding-right: 4px }
.ru-chu span { transition: color .4s } .ru-chu span.qua { color: rgba(238,240,255,.7) } .ru-chu span.dang { color: #fff; text-shadow: 0 0 12px rgba(255,226,154,.5) }
.dem-td { background: rgba(255,255,255,.15) } .dem-td i { background: var(--d-sao) }
.dem .gia { background: rgba(255,226,154,.18); color: var(--d-sao) } .dem .gia.mien { background: rgba(159,211,184,.2); color: #BFF0D6 } .dem .gia.roi { background: rgba(255,255,255,.1); color: var(--d-phu) }
.phu-de .pd-boi { display: block; color: #FFB3CC; font-style: italic; font-weight: 600; font-size: 13.5px; margin-top: 2px }
.phim .gia { display: inline-block; margin-top: 4px }
@media (max-width: 380px) { .ke-goi { grid-template-columns: 1fr } }