:root {
  --kh-primary: #9f1239;
  --kh-primary-dark: #7a0f2d;
  --kh-ink: #111827;
  --kh-ink-soft: #6b7280;
  --kh-ink-muted: #5b667a;
  --kh-ivory: #fffdf8;
  --kh-surface: #f8f5f0;
  --kh-surface-alt: #f4efe6;
  --kh-border: #e6ded2;
  --kh-gold: #c6a86a;
  --kh-success: #15803d;
  --kh-success-dark: #166534;
}

body.register-page {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(159, 18, 57, 0.14), transparent 34%),
    radial-gradient(circle at bottom right, rgba(15, 23, 42, 0.12), transparent 32%),
    linear-gradient(180deg, var(--kh-ivory) 0%, var(--kh-surface) 100%);
  color: var(--kh-ink);
}

.register-shell {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
  padding: 32px 16px;
}

.registration-card {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  border: 1px solid rgba(255, 255, 255, 0.65);
  border-radius: 32px;
  background: rgba(255, 253, 248, 0.9);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  overflow: hidden;
  box-shadow: 0 32px 90px rgba(15, 23, 42, 0.12);
}

.registration-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.80fr) minmax(0, 1.20fr);
}

.desktop-only {
  display: block;
}

.mobile-only {
  display: none;
}

.aside-details {
  margin-top: 22px;
  border-radius: 24px;
  background: rgba(17, 24, 39, 0.10);
  border: 1px solid rgba(198, 168, 106, 0.18);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.aside-details-summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 18px;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(231, 224, 212, 0.90);
}

.aside-details-summary::-webkit-details-marker {
  display: none;
}

.aside-details-summary i {
  font-size: 1.05rem;
  transition: transform 0.2s ease;
}

.aside-details[open] .aside-details-summary i {
  transform: rotate(180deg);
}

.aside-details-body {
  padding: 0 18px 18px;
}

.aside-details-body .aside-point + .aside-point {
  margin-top: 16px;
}

.registration-aside {
  position: relative;
  padding: 42px 34px;
  background:
    radial-gradient(circle at top right, rgba(198, 168, 106, 0.18), transparent 28%),
    linear-gradient(180deg, var(--kh-primary) 0%, var(--kh-primary-dark) 100%);
  color: #fff4f4;
}

.registration-aside::after {
  content: "";
  position: absolute;
  right: -40px;
  bottom: 24px;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.18), transparent 70%);
}

.aside-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(198, 168, 106, 0.14);
  border: 1px solid rgba(198, 168, 106, 0.22);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.aside-title {
  margin: 24px 0 14px;
  font-size: 2.5rem;
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  line-height: 1.05;
  font-weight: 800;
  color: #ffffff;
}

.aside-text {
  margin: 0;
  max-width: 32rem;
  font-size: 1rem;
  line-height: 1.75;
  color: rgba(255, 245, 245, 0.84);
}

.aside-panel {
  margin-top: 34px;
  padding: 24px;
  border-radius: 24px;
  background: rgba(17, 24, 39, 0.12);
  border: 1px solid rgba(198, 168, 106, 0.18);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.aside-panel-title {
  margin-bottom: 18px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(231, 224, 212, 0.82);
}

.aside-point {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}

.aside-point + .aside-point {
  margin-top: 18px;
}

.aside-point strong {
  display: block;
  margin-bottom: 4px;
  color: #ffffff;
  font-size: 0.98rem;
}

.aside-point div div {
  font-size: 0.94rem;
  line-height: 1.5;
  color: rgba(255, 245, 245, 0.78);
}

.aside-point-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 16px;
  background: rgba(198, 168, 106, 0.12);
  border: 1px solid rgba(198, 168, 106, 0.18);
  color: #fff7e7;
  font-size: 1rem;
}

.registration-main {
  padding: 42px 38px 34px;
}

.registration-header {
  margin-bottom: 24px;
}

.registration-header-top {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.registration-kicker {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(198, 168, 106, 0.14);
  color: var(--kh-primary);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.registration-title {
  margin: 0;
  font-size: 2.5rem;
  font-size: clamp(1.9rem, 3vw, 2.5rem);
  line-height: 1.08;
  font-weight: 800;
  color: var(--kh-ink);
}

.registration-text {
  margin: 12px 0 0;
  max-width: 42rem;
  color: var(--kh-ink-muted);
  font-size: 1rem;
  line-height: 1.7;
}

#steps-nav {
  gap: 10px;
}

#steps-nav .nav-item {
  flex: 1 1 0;
}

#steps-nav .nav-link {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 18px;
  border-radius: 18px;
  border: 1px solid var(--kh-border);
  background: var(--kh-ivory);
  color: #4b5563;
  font-weight: 700;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

#steps-nav .nav-link.active {
  background: linear-gradient(135deg, var(--kh-primary) 0%, var(--kh-primary-dark) 100%);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 16px 30px rgba(122, 15, 45, 0.22);
}

#steps-nav .nav-link.disabled {
  color: #9aa3b2;
  opacity: 1;
}

.step-content {
  display: none;
}

.step-content.active {
  display: block;
}

.step-card {
  padding: 28px;
  border-radius: 26px;
  border: 1px solid var(--kh-border);
  background: linear-gradient(180deg, rgba(255, 253, 248, 0.98) 0%, rgba(244, 239, 230, 0.92) 100%);
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.06);
}

.step-card + .step-card {
  margin-top: 18px;
}

.step-callout {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
}

.step-callout h5 {
  margin: 2px 0 12px;
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--kh-ink);
}

.step-callout ol {
  color: var(--kh-ink-muted);
  line-height: 1.75;
}

.step-callout-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(198, 168, 106, 0.18) 0%, rgba(159, 18, 57, 0.14) 100%);
  color: var(--kh-primary);
  font-size: 1.35rem;
}

.step-hint {
  margin: 8px 0 0;
  color: var(--kh-ink-muted);
}

.field-grid {
  display: grid;
  gap: 16px;
}

.field-grid-two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.form-group {
  position: relative;
  margin-bottom: 18px;
}

.form-group:last-child {
  margin-bottom: 0;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--kh-ink);
}

.form-control,
select.form-control,
textarea.form-control {
  height: 54px;
  border-radius: 16px;
  border: 1px solid var(--kh-border);
  background: var(--kh-ivory);
  color: var(--kh-ink);
  font-size: 1rem;
  padding: 0 16px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.form-control:focus,
select.form-control:focus,
textarea.form-control:focus {
  border-color: rgba(159, 18, 57, 0.42);
  box-shadow: 0 0 0 4px rgba(159, 18, 57, 0.08);
}

.form-control-lg {
  height: 58px;
  padding: 0 18px;
  font-size: 1.05rem;
}

.code-input {
  font-size: 1.3rem;
  letter-spacing: 0.38em;
  text-align: center;
  font-weight: 700;
}

#code-check-icon {
  position: absolute;
  right: 16px;
  top: 46px;
  font-size: 1rem;
  pointer-events: none;
  z-index: 2;
}

#phone-check-icon {
  position: absolute;
  right: 16px;
  top: 46px;
  font-size: 1rem;
  pointer-events: none;
  z-index: 2;
}

.form-control.is-valid,
.was-validated .form-control:valid {
  border-color: var(--kh-success);
  background-image: none;
}

.form-control.is-invalid,
.was-validated .form-control:invalid {
  border-color: #dc3545;
  background-image: none;
}

.invalid-feedback {
  display: none;
  margin-top: 8px;
  font-size: 0.85rem;
  font-weight: 600;
}

.is-invalid + .invalid-feedback,
.form-control.is-invalid ~ .invalid-feedback {
  display: block;
}

.field-note {
  margin-top: 8px;
  font-size: 0.82rem;
  color: var(--kh-ink-soft);
}

#pw-match-icon {
  position: absolute;
  right: 16px;
  top: 46px;
  font-size: 1rem;
  pointer-events: none;
  z-index: 2;
}


.action-btn {
  height: 56px;
  border: 0;
  border-radius: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.01em;
  line-height: 1;
  text-align: center;
}

.btn-primary.action-btn,
#submit-btn.btn-primary {
  background: linear-gradient(135deg, var(--kh-primary) 0%, var(--kh-primary-dark) 100%);
  box-shadow: 0 18px 34px rgba(122, 15, 45, 0.24);
}

.btn-primary.action-btn:hover,
#submit-btn.btn-primary:hover,
.btn-success.action-btn:hover {
  transform: translateY(-1px);
}

.btn-success.action-btn {
  background: linear-gradient(135deg, var(--kh-success) 0%, var(--kh-success-dark) 100%);
  box-shadow: 0 18px 34px rgba(21, 128, 61, 0.2);
}

.action-btn i {
  margin-right: 8px;
  line-height: 1;
}

.register-link-btn {
  color: var(--kh-primary);
  font-weight: 700;
}

input[type="date"].form-control {
  display: flex;
  align-items: center;
  min-height: 54px;
}

input[type="date"].form-control::-webkit-date-and-time-value {
  text-align: left;
}

input[type="date"].form-control::-webkit-date-and-time-value,
input[type="date"].form-control::-webkit-datetime-edit {
  min-height: 1.2em;
  line-height: 1.2;
}

input[type="date"].form-control::-webkit-datetime-edit-fields-wrapper {
  display: flex;
  align-items: center;
}

.toast-anchor {
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 1080;
}

.club-autocomplete {
  position: relative;
}

.club-autocomplete-list {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  z-index: 30;
  display: none;
  max-height: 280px;
  overflow-y: auto;
  border: 1px solid rgba(230, 222, 210, 0.9);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.98);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.12);
}

@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .registration-card {
    background: rgba(255, 253, 248, 0.98);
  }

  .club-autocomplete-list {
    background: #fffdf8;
  }
}

.club-autocomplete-list.active {
  display: block;
}

.club-option,
.club-empty {
  padding: 12px 14px;
}

.club-option {
  cursor: pointer;
}

.club-option + .club-option {
  border-top: 1px solid rgba(226, 232, 240, 0.8);
}

.club-option:hover,
.club-option.active {
  background: rgba(198, 168, 106, 0.12);
}

.club-option-title {
  font-weight: 700;
  color: var(--kh-ink);
  line-height: 1.3;
}

.club-empty {
  color: var(--kh-ink-soft);
  font-size: 0.92rem;
}

@media (max-width: 991.98px) {
  .register-shell {
    padding: 22px 14px;
  }

  .registration-layout {
    display: flex;
    flex-direction: column;
  }

  .registration-aside {
    padding: 30px 24px;
  }

  .registration-main {
    order: 1;
    padding: 30px 24px 26px;
  }

  .registration-aside {
    order: 2;
  }

  .desktop-only {
    display: none;
  }

  .mobile-only {
    display: block;
  }
}

@media (max-width: 767.98px) {
  .registration-card {
    border-radius: 24px;
  }

  .registration-aside {
    padding: 24px 20px;
  }

  .aside-title {
    font-size: 2rem;
  }

  .aside-panel {
    margin-top: 24px;
    padding: 18px;
  }

  .registration-main {
    padding: 24px 18px 22px;
  }

  .registration-header {
    margin-bottom: 18px;
  }

  .registration-header-top {
    flex-wrap: wrap;
    margin-bottom: 12px;
  }

  #steps-nav {
    gap: 8px;
    margin-bottom: 18px !important;
  }

  #steps-nav .nav-link {
    padding: 12px 10px;
    border-radius: 14px;
    font-size: 0.92rem;
  }

  .step-card {
    padding: 20px;
    border-radius: 20px;
  }

  .field-grid-two {
    grid-template-columns: 1fr;
  }

  .action-btn,
  .form-control,
  .form-control-lg,
  select.form-control,
  textarea.form-control {
    height: 50px;
    border-radius: 14px;
  }

  .code-input {
    letter-spacing: 0.28em;
    font-size: 1.15rem;
  }
}

@media (max-width: 575.98px) {
  .register-shell {
    padding: 14px 10px;
  }

  .registration-card {
    border-radius: 20px;
  }

  .registration-aside {
    padding: 20px 16px;
  }

  .aside-badge {
    padding: 8px 12px;
    font-size: 11px;
  }

  .aside-title {
    margin-top: 18px;
    font-size: 1.7rem;
  }

  .aside-text {
    font-size: 0.94rem;
    line-height: 1.65;
  }

  .registration-main {
    padding: 18px 14px 18px;
  }

  .registration-title {
    font-size: 1.6rem;
  }

  .registration-text {
    font-size: 0.93rem;
    line-height: 1.55;
  }

  #steps-nav .nav-link span {
    display: none;
  }

  #steps-nav .nav-link::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: -1.45rem;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.22rem 0.48rem;
    border-radius: 0.35rem;
    background: rgba(24, 31, 45, 0.92);
    color: #fff;
    font-size: 0.72rem;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
  }

  #steps-nav .nav-link:hover::after,
  #steps-nav .nav-link:focus::after {
    opacity: 1;
  }

  .step-callout {
    grid-template-columns: 1fr;
  }

  .step-callout-icon {
    width: 46px;
    height: 46px;
    border-radius: 14px;
  }

  .step-card {
    padding: 16px;
  }

  .form-group {
    margin-bottom: 14px;
  }

  .action-btn,
  .form-control,
  .form-control-lg,
  select.form-control,
  textarea.form-control {
    height: 48px;
    font-size: 0.96rem;
    padding-left: 14px;
    padding-right: 14px;
  }

  .code-input {
    letter-spacing: 0.2em;
    font-size: 1.02rem;
  }

  .club-autocomplete-list {
    border-radius: 16px;
  }
}