/* ── Hub đăng ký: thẻ lựa chọn (card) ── */

.registration-hub-step-title {
  margin-bottom: 8px;
  font-size: 1.35rem;
  font-weight: 600;
  color: #171822;
}

.registration-choice-cards {
  margin-top: 24px;
}

.registration-choice-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  width: 100%;
  height: 100%;
  min-height: 220px;
  margin: 0 0 24px;
  padding: 28px 28px 24px;
  text-align: left;
  text-decoration: none;
  background: #fff;
  border: 2px solid #e8eaef;
  border-radius: 8px;
  box-shadow: 0 4px 16px rgba(23, 24, 34, 0.06);
  cursor: pointer;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
  box-sizing: border-box;
  font-family: inherit;
  color: #171822;
  -webkit-appearance: none;
  appearance: none;
}

.registration-choice-card:hover {
  border-color: #ec1f23;
  box-shadow: 0 10px 28px rgba(236, 31, 35, 0.12);
  transform: translateY(-3px);
  color: #171822;
  text-decoration: none;
}

.registration-choice-card:focus {
  outline: none;
  border-color: #ec1f23;
  box-shadow: 0 0 0 3px rgba(236, 31, 35, 0.2);
}

.registration-choice-card--registration {
  border-top: 4px solid #ec1f23;
}

.registration-choice-card--abstract {
  border-top: 4px solid #171822;
}

.registration-choice-card--domestic {
  border-top: 4px solid #ec1f23;
}

.registration-choice-card--international {
  border-top: 4px solid #171822;
}

.registration-choice-card__title {
  margin: 0 0 4px;
  font-size: 1.15rem;
  font-weight: 700;
  color: #171822;
  line-height: 1.35;
}

.registration-choice-card__sub {
  margin: 0 0 12px;
  font-size: 0.9rem;
  font-weight: 600;
  color: #ec1f23;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.registration-choice-card--abstract .registration-choice-card__sub,
.registration-choice-card--international .registration-choice-card__sub {
  color: #171822;
}

.registration-choice-card__desc {
  margin: 0 0 auto;
  padding-bottom: 16px;
  font-size: 0.95rem;
  line-height: 1.6;
  color: #6a6b7c;
  flex-grow: 1;
}

.registration-choice-card__action {
  font-size: 0.9rem;
  font-weight: 700;
  color: #ec1f23;
  margin-top: auto;
}

.registration-choice-card--abstract .registration-choice-card__action,
.registration-choice-card--international .registration-choice-card__action {
  color: #171822;
}

/* ── Step wizard ── */

.registration-steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin: 0 0 36px;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

.registration-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
  color: #a0a1b5;
  transition: color 0.2s ease;
}

.registration-step.is-active,
.registration-step.is-done {
  color: #171822;
}

.registration-step__num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 2px solid #d8dae0;
  font-weight: 700;
  font-size: 16px;
  background: #fff;
  transition: all 0.2s ease;
}

.registration-step.is-active .registration-step__num {
  border-color: #ec1f23;
  background: #ec1f23;
  color: #fff;
}

.registration-step.is-done .registration-step__num {
  border-color: #ec1f23;
  background: #fff;
  color: #ec1f23;
}

.registration-step__label {
  font-size: 13px;
  font-weight: 600;
  text-align: center;
  white-space: nowrap;
}

.registration-step__line {
  flex: 1;
  height: 2px;
  background: #d8dae0;
  margin: 0 12px;
  margin-bottom: 28px;
  min-width: 48px;
  transition: background 0.2s ease;
}

.registration-step__line.is-done {
  background: #ec1f23;
}

.registration-hub-back {
  display: inline-block;
  margin-bottom: 16px;
  padding: 0;
  border: none;
  background: none;
  color: #ec1f23;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: underline;
}

.registration-hub-back:hover {
  color: #c4191d;
}

.registration-hub-summary {
  margin: 12px 0 20px;
  padding: 12px 16px;
  background: #f8f9fb;
  border-left: 4px solid #ec1f23;
  font-size: 14px;
  color: #171822;
}

.registration-hub-hint {
  font-size: 14px;
  color: #6a6b7c;
}

[x-cloak] {
  display: none !important;
}

/* ── Upload file trong form: nút thang nhỏ hơn ── */

.registration-form label.button-vietnam {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 160px;
  min-height: 44px;
  margin-top: 10px;
  padding: 10px 28px;
  border: none;
  cursor: pointer;
  font-family: "Poppins", "Work Sans", sans-serif;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.35;
  text-align: center;
  color: #fff !important;
  text-decoration: none;
  transform: skewX(-14deg);
  background: linear-gradient(to right, #f9488b 0%, #ec1f23 100%) !important;
  box-shadow: 0 3px 10px rgba(236, 31, 35, 0.25);
  transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
  box-sizing: border-box;
  max-width: 100%;
  border-radius: 0 !important;
}

.registration-form label.button-vietnam:hover {
  color: #fff !important;
  transform: skewX(-14deg) translateY(-1px);
  box-shadow: 0 5px 14px rgba(236, 31, 35, 0.35);
  filter: brightness(1.05);
}

.registration-form .upload-files-grid .form-group > label:first-child {
  display: block;
  margin-bottom: 4px;
}

.registration-form .upload-files-grid .col-md-6 {
  margin-bottom: 20px;
}

.registration-form .file-name {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  color: #6a6b7c;
}

.registration-hub-block {
  margin-bottom: 40px;
}

.registration-hub-block .f-para {
  margin-bottom: 8px;
}

@media (max-width: 575px) {
  .registration-choice-card {
    min-height: auto;
  }

  .registration-step__label {
    white-space: normal;
    max-width: 100px;
  }
}