:root {
  font-family: "Be Vietnam Pro", system-ui, sans-serif;
  color: #11185f;
  background: #edf2ff;
  font-synthesis: none;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
}

.page-shell {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
  padding: clamp(44px, 8vh, 88px) 20px clamp(72px, 10vh, 120px);
  background:
    radial-gradient(circle at 6% 3%, rgba(181, 124, 255, .34), transparent 28%),
    radial-gradient(circle at 95% 15%, rgba(135, 198, 255, .26), transparent 27%),
    radial-gradient(circle at 50% 42%, rgba(255, 255, 255, .96), rgba(255, 255, 255, .35) 35%, transparent 63%),
    linear-gradient(140deg, #f4edff 0%, #f9faff 50%, #eaf2ff 100%);
}

.page-shell::before,
.page-shell::after {
  content: "";
  position: absolute;
  pointer-events: none;
  z-index: 0;
}

.page-shell::before {
  width: 72vw;
  height: 30vw;
  min-height: 240px;
  left: -10vw;
  bottom: -14vw;
  border-radius: 50% 60% 0 0;
  background: linear-gradient(120deg, rgba(174, 137, 255, .22), rgba(91, 154, 255, .42));
  transform: rotate(8deg);
  filter: blur(1px);
}

.page-shell::after {
  width: 82vw;
  height: 23vw;
  right: -18vw;
  bottom: -9vw;
  border: 2px solid rgba(255, 255, 255, .86);
  border-radius: 50% 45% 0 0;
  transform: rotate(-9deg);
  box-shadow: 0 -30px 80px rgba(255, 255, 255, .68);
}

.content {
  position: relative;
  z-index: 2;
  width: min(100%, 760px);
  margin: 0 auto;
}

.hero-icon {
  position: relative;
  display: grid;
  place-items: center;
  width: 150px;
  height: 150px;
  margin: 0 auto 38px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .73);
  box-shadow: 0 18px 45px rgba(63, 65, 173, .15), inset 0 1px 0 #fff;
}

.hero-icon__ring {
  position: absolute;
  inset: -42px;
  border: 20px solid rgba(255, 255, 255, .21);
  border-radius: 50%;
  box-shadow: 0 0 70px rgba(255, 255, 255, .85);
}

.hero-icon svg {
  width: 72px;
  fill: none;
  stroke: #5e46ec;
  stroke-width: 4;
  stroke-linecap: round;
  stroke-linejoin: round;
  filter: drop-shadow(6px 5px 1px rgba(77, 98, 214, .14));
}

.heading { text-align: center; margin-bottom: 46px; }
.heading h1 {
  margin: 0 0 12px;
  font-size: clamp(42px, 6.4vw, 64px);
  line-height: 1.18;
  letter-spacing: -2.5px;
  font-weight: 800;
}
.heading p {
  margin: 0;
  color: #676b91;
  font-size: clamp(17px, 2.4vw, 25px);
  line-height: 1.6;
}

.info-card {
  padding: 48px 50px 52px;
  border-radius: 70px;
  background: rgba(255, 255, 255, .86);
  box-shadow: 0 25px 65px rgba(46, 53, 137, .13), inset 0 1px 0 #fff;
  backdrop-filter: blur(18px);
}

.field { margin-bottom: 38px; }
.field label {
  display: block;
  margin: 0 0 18px 10px;
  font-size: 25px;
  line-height: 1.2;
  font-weight: 700;
}

.input-wrap {
  display: flex;
  align-items: center;
  height: 100px;
  padding: 0 31px;
  border: 2px solid #dedff0;
  border-radius: 29px;
  background: rgba(255, 255, 255, .45);
  transition: border-color .2s, box-shadow .2s, background .2s;
}
.input-wrap:focus-within {
  border-color: #7654f5;
  background: #fff;
  box-shadow: 0 0 0 5px rgba(118, 84, 245, .09);
}
.input-wrap svg {
  flex: 0 0 auto;
  width: 40px;
  height: 40px;
  fill: none;
  stroke: #5960ea;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.input-wrap input {
  min-width: 0;
  width: 100%;
  height: 100%;
  margin-left: 22px;
  border: 0;
  outline: 0;
  color: #11185f;
  background: transparent;
  font: 500 22px/1.2 inherit;
}
.error { display: block; min-height: 18px; margin: 7px 10px -25px; color: #dc3365; }
.field.invalid .input-wrap { border-color: #e35a80; }

button {
  width: 100%;
  min-height: 100px;
  margin-top: 10px;
  border: 0;
  border-radius: 999px;
  color: #fff;
  background: linear-gradient(105deg, #9025f7 0%, #6544f4 52%, #2755ee 100%);
  box-shadow: 0 18px 29px rgba(87, 60, 238, .29);
  font: 700 36px/1 inherit;
  cursor: pointer;
  transition: transform .18s, box-shadow .18s;
}
button:hover { transform: translateY(-2px); box-shadow: 0 22px 34px rgba(87, 60, 238, .35); }
button:active { transform: translateY(1px); }

.decoration { position: absolute; pointer-events: none; z-index: 1; }
.bubble { width: 86px; height: 86px; right: 3%; top: 15%; border-radius: 50%; background: rgba(126, 181, 255, .19); }
.sparkle { width: 24px; height: 24px; background: #fff; clip-path: polygon(50% 0, 61% 39%, 100% 50%, 61% 61%, 50% 100%, 39% 61%, 0 50%, 39% 39%); }
.sparkle-one { left: 28%; top: 6%; }
.sparkle-two { right: 28%; top: 12%; }

@media (max-width: 640px) {
  .page-shell { padding: 36px 14px 64px; }
  .content { width: min(100%, 440px); }
  .hero-icon { width: 86px; height: 86px; margin-bottom: 24px; }
  .hero-icon__ring { inset: -21px; border-width: 10px; }
  .hero-icon svg { width: 43px; }
  .heading { margin-bottom: 27px; }
  .heading h1 { margin-bottom: 8px; font-size: 33px; letter-spacing: -1.2px; }
  .heading p { font-size: 14px; line-height: 1.5; }
  .info-card { padding: 27px 20px 29px; border-radius: 32px; }
  .field { margin-bottom: 22px; }
  .field label { margin: 0 0 9px 6px; font-size: 17px; }
  .input-wrap { height: 61px; padding: 0 18px; border-radius: 18px; }
  .input-wrap svg { width: 27px; height: 27px; }
  .input-wrap input { margin-left: 13px; font-size: 16px; }
  .error { min-height: 14px; margin: 5px 7px -19px; font-size: 11px; }
  button { min-height: 61px; margin-top: 5px; font-size: 22px; }
  .bubble { width: 48px; height: 48px; right: -10px; }
}

/* Desktop: co giãn theo cả chiều rộng và chiều cao màn hình để form luôn trọn vẹn. */
@media (min-width: 641px) {
  .page-shell {
    display: flex;
    align-items: flex-start;
    padding-top: clamp(24px, 4vh, 54px);
    padding-bottom: clamp(36px, 5vh, 68px);
  }

  .content { width: min(88vw, 640px); }

  .hero-icon {
    width: clamp(96px, 12vh, 132px);
    height: clamp(96px, 12vh, 132px);
    margin-bottom: clamp(20px, 3vh, 34px);
  }

  .hero-icon__ring { inset: -32px; border-width: 16px; }
  .hero-icon svg { width: clamp(50px, 6vh, 64px); }

  .heading { margin-bottom: clamp(24px, 4vh, 42px); }
  .heading h1 {
    margin-bottom: clamp(6px, 1vh, 12px);
    font-size: clamp(42px, 5.6vh, 58px);
  }
  .heading p { font-size: clamp(18px, 2.3vh, 24px); }

  .info-card {
    padding: clamp(30px, 3.8vh, 44px) clamp(38px, 4vw, 50px) clamp(34px, 4vh, 48px);
    border-radius: clamp(44px, 5.5vh, 64px);
  }

  .field { margin-bottom: clamp(21px, 2.8vh, 32px); }
  .field label {
    margin-bottom: clamp(10px, 1.5vh, 16px);
    font-size: clamp(19px, 2.5vh, 24px);
  }
  .input-wrap {
    height: clamp(64px, 8.7vh, 90px);
    border-radius: clamp(20px, 2.8vh, 27px);
  }
  .input-wrap svg { width: clamp(30px, 4vh, 38px); height: clamp(30px, 4vh, 38px); }
  .input-wrap input { font-size: clamp(18px, 2.3vh, 22px); }
  button {
    min-height: clamp(66px, 8.7vh, 90px);
    margin-top: clamp(2px, .8vh, 8px);
    font-size: clamp(27px, 3.7vh, 34px);
  }

  .error {
    min-height: clamp(14px, 1.8vh, 18px);
    margin-top: 5px;
    margin-bottom: clamp(-19px, -1.8vh, -13px);
    font-size: clamp(11px, 1.45vh, 13px);
  }
}

/* Laptop thấp: thu gọn thêm để không phải cuộn chỉ vì phần trang trí. */
@media (min-width: 641px) and (max-height: 1050px) {
  .page-shell { padding-top: 24px; padding-bottom: 36px; }
  .hero-icon { width: 88px; height: 88px; margin-bottom: 17px; }
  .hero-icon__ring { inset: -22px; border-width: 11px; }
  .hero-icon svg { width: 45px; }
  .heading { margin-bottom: 22px; }
  .heading h1 { margin-bottom: 5px; font-size: 41px; letter-spacing: -1.7px; }
  .heading p { font-size: 17px; line-height: 1.45; }
  .info-card { padding: 25px 34px 28px; border-radius: 39px; }
  .field { margin-bottom: 17px; }
  .field label { margin-bottom: 7px; font-size: 17px; }
  .input-wrap { height: 58px; padding-inline: 25px; border-radius: 18px; }
  .input-wrap svg { width: 27px; height: 27px; }
  .input-wrap input { font-size: 16px; }
  .error { min-height: 13px; margin: 4px 8px -13px; font-size: 11px; }
  button { min-height: 58px; margin-top: 3px; font-size: 24px; }
}

@media (min-width: 641px) and (max-height: 760px) {
  .page-shell { padding-top: 18px; padding-bottom: 30px; }
  .hero-icon { width: 82px; height: 82px; margin-bottom: 12px; }
  .hero-icon__ring { inset: -20px; border-width: 10px; }
  .hero-icon svg { width: 44px; }
  .heading { margin-bottom: 18px; }
  .heading h1 { margin-bottom: 3px; font-size: 38px; }
  .heading p { font-size: 16px; line-height: 1.45; }
  .info-card { padding: 22px 38px 25px; border-radius: 38px; }
  .field { margin-bottom: 16px; }
  .field label { margin-bottom: 7px; font-size: 17px; }
  .input-wrap { height: 55px; border-radius: 18px; }
  .input-wrap svg { width: 27px; height: 27px; }
  .input-wrap input { font-size: 17px; }
  .error { min-height: 12px; margin: 3px 8px -12px; font-size: 10px; }
  button { min-height: 56px; margin-top: 2px; font-size: 25px; }
}

@media (max-width: 380px) {
  .page-shell { padding-inline: 11px; }
  .heading h1 { font-size: 29px; }
  .heading p { font-size: 13px; }
  .info-card { padding-inline: 16px; border-radius: 28px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}

/* Bố cục giới thiệu khóa học + đăng ký */
.main-grid { display: grid; }

.course-intro {
  color: #13185b;
}

.course-badge,
.form-kicker {
  color: #5b43e9;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 1.7px;
  text-transform: uppercase;
}

.course-badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 9px 14px;
  border: 1px solid rgba(92, 70, 233, .14);
  border-radius: 999px;
  background: rgba(255, 255, 255, .62);
}

.course-badge span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #7650f4;
  box-shadow: 0 0 0 5px rgba(118, 80, 244, .1);
}

.course-intro h2 {
  margin: 22px 0 15px;
  font-size: clamp(34px, 3.3vw, 51px);
  line-height: 1.08;
  letter-spacing: -2.1px;
}

.course-intro h2 strong {
  color: #653ced;
  font-weight: 800;
}

.course-lead {
  max-width: 610px;
  margin: 0;
  color: #656b91;
  font-size: 15px;
  line-height: 1.7;
}

.schedule {
  display: flex;
  align-items: center;
  gap: 15px;
  margin: 24px 0 17px;
  padding: 16px 18px;
  border: 1px solid rgba(90, 76, 210, .13);
  border-radius: 20px;
  background: rgba(255, 255, 255, .7);
  box-shadow: 0 12px 35px rgba(51, 58, 149, .07);
}

.schedule-icon {
  display: grid;
  place-items: center;
  flex: 0 0 48px;
  height: 48px;
  border-radius: 15px;
  color: #fff;
  background: linear-gradient(135deg, #932cf5, #3d53ef);
  font-size: 27px;
}

.schedule div { display: grid; grid-template-columns: auto auto; align-items: baseline; gap: 3px 10px; }
.schedule small { grid-column: 1 / -1; color: #8185a5; font-size: 10px; font-weight: 800; letter-spacing: 1.3px; text-transform: uppercase; }
.schedule strong { font-size: 20px; }
.schedule p { margin: 0; color: #676c91; font-size: 12px; }

.benefit-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.benefit-grid article {
  display: grid;
  min-height: 116px;
  padding: 16px;
  border: 1px solid rgba(91, 73, 210, .13);
  border-radius: 18px;
  background: rgba(255, 255, 255, .63);
}
.benefit-grid strong { font-size: 13px; }
.benefit-grid span { color: #633ce9; font-size: 21px; font-weight: 800; }
.benefit-grid small { color: #777c9b; font-size: 10px; line-height: 1.45; }

.pain-points { margin-top: 19px; }
.pain-points h3 { margin: 0 0 10px; font-size: 14px; }
.pain-points ul { display: grid; gap: 7px; margin: 0; padding: 0; list-style: none; }
.pain-points li { position: relative; padding-left: 22px; color: #62688c; font-size: 12px; line-height: 1.45; }
.pain-points li::before { content: "✓"; position: absolute; left: 0; color: #6944ec; font-weight: 800; }

.form-kicker { display: block; margin-bottom: 7px; }

@media (min-width: 801px) {
  .page-shell { align-items: center; padding: 34px 28px; }
  .content.main-grid {
    width: min(94vw, 1180px);
    grid-template-columns: minmax(0, 1fr) minmax(440px, 520px);
    align-items: center;
    gap: clamp(42px, 6vw, 84px);
  }
  .signup-panel { min-width: 0; }
  .signup-panel .hero-icon { width: 72px; height: 72px; margin-bottom: 13px; }
  .signup-panel .hero-icon__ring { inset: -15px; border-width: 8px; }
  .signup-panel .hero-icon svg { width: 37px; }
  .signup-panel .heading { margin-bottom: 18px; }
  .signup-panel .heading h1 { margin-bottom: 3px; font-size: 33px; letter-spacing: -1.2px; }
  .signup-panel .heading p { font-size: 13px; }
  .signup-panel .info-card { padding: 24px 29px 27px; border-radius: 35px; }
  .signup-panel .field { margin-bottom: 16px; }
  .signup-panel .field label { margin-bottom: 7px; font-size: 15px; }
  .signup-panel .input-wrap { height: 54px; padding-inline: 22px; border-radius: 17px; }
  .signup-panel .input-wrap svg { width: 25px; height: 25px; }
  .signup-panel .input-wrap input { font-size: 15px; }
  .signup-panel .error { min-height: 12px; margin: 3px 7px -12px; font-size: 10px; }
  .signup-panel button { min-height: 54px; font-size: 21px; }
}

@media (max-width: 800px) {
  .page-shell { padding-top: 38px; }
  .content.main-grid { width: min(100%, 500px); gap: 42px; }
  .signup-panel { order: -1; }
  .course-intro { padding: 0 5px; }
  .course-intro h2 { margin-top: 18px; font-size: clamp(31px, 9vw, 42px); letter-spacing: -1.5px; }
  .course-lead { font-size: 14px; }
  .schedule { margin-top: 19px; }
  .signup-panel .hero-icon { width: 78px; height: 78px; margin-bottom: 20px; }
  .signup-panel .hero-icon__ring { inset: -18px; border-width: 9px; }
  .signup-panel .hero-icon svg { width: 40px; }
}

@media (max-width: 400px) {
  .benefit-grid { grid-template-columns: 1fr; }
  .benefit-grid article { min-height: 100px; }
  .schedule { align-items: flex-start; padding: 14px; }
  .schedule div { grid-template-columns: 1fr; }
  .schedule small { grid-column: auto; }
  .course-intro h2 { font-size: 29px; }
}

/* Popup chọn gói */
body.modal-open { overflow: hidden; }
.package-modal[hidden] { display: none; }
.package-modal { position: fixed; inset: 0; z-index: 20; display: grid; place-items: center; padding: 20px; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(17, 20, 67, .52); backdrop-filter: blur(9px); animation: fade-in .2s ease-out; }
.package-dialog {
  position: relative;
  z-index: 1;
  width: min(100%, 900px);
  max-height: calc(100vh - 40px);
  overflow: auto;
  padding: 34px;
  border: 1px solid rgba(255,255,255,.82);
  border-radius: 36px;
  background: rgba(250, 250, 255, .97);
  box-shadow: 0 30px 90px rgba(25, 25, 92, .3);
  animation: modal-in .28s ease-out;
}
.modal-close {
  position: absolute;
  top: 17px;
  right: 17px;
  width: 38px;
  min-height: 38px;
  margin: 0;
  padding: 0;
  border-radius: 50%;
  color: #565c86;
  background: #edeefa;
  box-shadow: none;
  font-size: 25px;
}
.package-heading { text-align: center; }
.package-heading > span { color: #6743eb; font-size: 11px; font-weight: 800; letter-spacing: 1.5px; text-transform: uppercase; }
.package-heading h2 { margin: 6px 0; font-size: clamp(27px, 3.3vw, 38px); letter-spacing: -1.3px; }
.package-heading p { margin: 0; color: #727795; font-size: 14px; }
.package-options { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; margin-top: 26px; }
.package-option {
  position: relative;
  display: block;
  overflow: hidden;
  border: 2px solid #e2e3f2;
  border-radius: 25px;
  background: #fff;
  cursor: pointer;
  transition: transform .2s, border-color .2s, box-shadow .2s;
}
.package-option:hover { transform: translateY(-3px); border-color: #a795f7; box-shadow: 0 14px 35px rgba(70, 54, 180, .12); }
.package-option:has(input:checked) { border-color: #6845ef; box-shadow: 0 0 0 4px rgba(104, 69, 239, .1), 0 16px 38px rgba(70, 54, 180, .15); }
.package-option input { position: absolute; opacity: 0; pointer-events: none; }
.package-option img { display: block; width: 100%; aspect-ratio: 16 / 7; object-fit: cover; }
.selected-mark {
  position: absolute;
  z-index: 2;
  top: 13px;
  right: 13px;
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border: 2px solid #fff;
  border-radius: 50%;
  color: transparent;
  background: rgba(255,255,255,.85);
}
.package-option:has(input:checked) .selected-mark { color: #fff; background: #6845ef; }
.package-copy { display: grid; padding: 18px 20px 21px; }
.package-copy small { color: #8388a4; font-size: 10px; font-weight: 800; letter-spacing: 1.1px; text-transform: uppercase; }
.package-copy strong { margin-top: 4px; font-size: 18px; }
.package-copy b { margin: 3px 0 8px; color: #653dee; font-size: 27px; }
.package-copy b em { font-size: 14px; font-style: normal; }
.package-copy > span { color: #747997; font-size: 12px; line-height: 1.5; }
.package-warning { min-height: 17px; margin: 9px 0 0; color: #db3864; text-align: center; font-size: 12px; }
.reserve-button { display: block; width: min(100%, 430px); min-height: 58px; margin: 2px auto 0; font-size: 21px; }
.reserve-button:disabled { opacity: .48; cursor: not-allowed; transform: none; box-shadow: none; }
.reserve-note { margin: 12px 0 0; color: #9296ae; text-align: center; font-size: 10px; }
@keyframes fade-in { from { opacity: 0; } }
@keyframes modal-in { from { opacity: 0; transform: translateY(14px) scale(.98); } }

@media (max-width: 650px) {
  .package-modal { place-items: center; padding: 14px; }
  .package-dialog {
    width: min(100%, 430px);
    max-height: calc(100dvh - 28px);
    padding: 27px 16px 22px;
    border-radius: 29px;
    overscroll-behavior: contain;
  }
  .modal-close { top: 12px; right: 13px; }
  .package-heading { padding-inline: 23px; }
  .package-heading h2 { font-size: 26px; }
  .package-options { grid-template-columns: 1fr; gap: 13px; margin-top: 21px; }
  .package-option { display: grid; grid-template-columns: 42% 1fr; border-radius: 20px; }
  .package-option img { width: 100%; height: 100%; aspect-ratio: auto; object-fit: cover; }
  .package-copy { align-content: center; padding: 14px; }
  .package-copy strong { font-size: 16px; }
  .package-copy b { margin-block: 2px 5px; font-size: 22px; }
  .package-copy > span { font-size: 10px; }
  .reserve-button { min-height: 54px; font-size: 19px; }
}

/* Thanh toán và màn hình cảm ơn */
.payment-screen,.result-screen{max-width:560px;margin:auto;text-align:center}.payment-screen h2,.result-screen h2{margin:7px 0 8px;font-size:clamp(27px,4vw,38px);letter-spacing:-1.3px}.payment-screen>p,.result-screen>p{margin:0 auto;color:#737895;font-size:13px;line-height:1.65}.result-kicker{color:#6743eb;font-size:11px;font-weight:800;letter-spacing:1.4px;text-transform:uppercase}.payment-qr{display:block;width:min(100%,330px);max-height:365px;margin:20px auto 15px;border:1px solid #e4e5f1;border-radius:20px;background:#fff;object-fit:contain;box-shadow:0 12px 35px #303a7912}.payment-details{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin:14px 0}.payment-details span{display:grid;align-content:center;gap:5px;min-height:73px;padding:10px;border:1px solid #e4e5f1;border-radius:14px;background:#fff}.payment-details small{color:#8d92aa;font-size:9px}.payment-details strong{overflow-wrap:anywhere;color:#222961;font-size:12px}.checking-payment{display:flex;align-items:center;justify-content:center;gap:9px;margin:15px 0 10px;color:#6550dc;font-size:12px;font-weight:700}.checking-payment i{width:16px;height:16px;border:2px solid #d8d0fa;border-top-color:#6845ed;border-radius:50%;animation:payment-spin .8s linear infinite}.payment-screen>small,.result-screen>small{display:block;color:#9296ac;font-size:10px;line-height:1.5}.success-icon{display:grid;place-items:center;width:72px;height:72px;margin:8px auto 18px;border-radius:50%;color:#fff;background:linear-gradient(135deg,#48bf8b,#2d9b70);box-shadow:0 13px 30px #329b7133;font-size:35px;font-weight:800}.result-screen{padding:22px 12px 12px}.result-screen>p{max-width:470px}.join-group-button{display:flex;align-items:center;justify-content:center;width:min(100%,390px);min-height:58px;margin:25px auto 13px;border-radius:999px;color:#fff;background:linear-gradient(105deg,#8d28f3,#2857ef);box-shadow:0 15px 28px #563ce83d;text-decoration:none;font-size:18px;font-weight:700}.join-group-button:hover{transform:translateY(-2px)}@keyframes payment-spin{to{transform:rotate(360deg)}}
@media(max-width:650px){.payment-screen h2,.result-screen h2{font-size:25px}.payment-qr{width:min(100%,265px);margin-block:15px 11px}.payment-details{grid-template-columns:1fr 1fr}.payment-details span:last-child{grid-column:1/-1;min-height:58px}.result-screen{padding-top:12px}.success-icon{width:62px;height:62px;margin-bottom:14px}.join-group-button{min-height:54px;font-size:16px}}
.rejection-icon{background:linear-gradient(135deg,#f06b86,#d83b61)}button.join-group-button{border:0;cursor:pointer}
.payment-screen .payment-qr{width:min(100%,270px);height:auto;max-height:none;aspect-ratio:1;margin:18px auto 15px;padding:12px;object-fit:contain}
@media(max-width:650px){.payment-screen .payment-qr{width:min(100%,230px);margin-block:14px 11px}}