:root {
  --signup-bg: #09080e;
  --signup-surface: rgba(18, 18, 28, 0.94);
  --signup-surface-strong: rgba(24, 24, 36, 0.98);
  --signup-border: rgba(212, 168, 67, 0.18);
  --signup-border-strong: rgba(212, 168, 67, 0.34);
  --signup-accent: #d4a843;
  --signup-accent-strong: #e8c56e;
  --signup-accent-soft: rgba(212, 168, 67, 0.12);
  --signup-accent-soft-strong: rgba(212, 168, 67, 0.2);
  --signup-highlight: rgba(116, 197, 183, 0.14);
  --signup-text: #f6f1e7;
  --signup-text-muted: #c8c0ae;
  --signup-text-dim: #9b9281;
  --signup-danger: #ef6a6a;
  --signup-success: #6ed3a6;
  --signup-shadow: 0 28px 70px rgba(0, 0, 0, 0.45);
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at top left, rgba(212, 168, 67, 0.16), transparent 28%),
    radial-gradient(circle at bottom right, rgba(116, 197, 183, 0.1), transparent 24%),
    linear-gradient(180deg, #09080e 0%, #11111a 55%, #0c0b12 100%);
  color: var(--signup-text);
}

.signup-page {
  position: relative;
  min-height: 100vh;
  padding: 32px 20px 56px;
}

.signup-page::before,
.signup-page::after {
  content: '';
  position: fixed;
  inset: auto;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
}

.signup-page::before {
  top: -140px;
  left: -120px;
  background: rgba(212, 168, 67, 0.12);
}

.signup-page::after {
  right: -140px;
  bottom: -120px;
  background: rgba(116, 197, 183, 0.08);
}

.progress-container,
.signup-container {
  position: relative;
  z-index: 1;
}

.progress-container {
  width: min(880px, 100%);
  margin: 0 auto 22px;
  padding: 18px 22px;
  border: 1px solid var(--signup-border);
  border-radius: 24px;
  background: rgba(12, 12, 20, 0.76);
  backdrop-filter: blur(18px);
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.24);
}

.progress-bar {
  height: 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.07);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #c99828 0%, #e3c979 100%);
  box-shadow: 0 0 18px rgba(212, 168, 67, 0.32);
}

.progress-text {
  margin-top: 12px;
  color: var(--signup-text-muted);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.signup-container {
  width: min(880px, 100%);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.signup-header,
.step {
  border: 1px solid var(--signup-border);
  border-radius: 30px;
  background: linear-gradient(180deg, rgba(20, 20, 32, 0.96), rgba(14, 14, 24, 0.94));
  box-shadow: var(--signup-shadow);
  overflow: hidden;
}

.signup-header {
  text-align: center;
  padding: 34px 32px 28px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  color: var(--signup-text);
  text-decoration: none;
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.logo-icon {
  display: inline-grid;
  grid-template-columns: repeat(3, 10px);
  gap: 5px;
}

.logo-icon span {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(180deg, #e8c56e 0%, #c99828 100%);
  box-shadow: 0 0 12px rgba(212, 168, 67, 0.36);
}

.signup-title {
  margin: 18px 0 10px;
  font-size: clamp(2rem, 4vw, 2.8rem);
  line-height: 1.05;
  color: var(--signup-text);
}

.signup-subtitle {
  margin: 0;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--signup-text-muted);
}

.step {
  display: none;
}

.step.active {
  display: block;
}

.step-content {
  padding: 32px;
}

.step-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 22px 32px 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(255, 255, 255, 0.02);
}

.step-icon {
  width: 58px;
  height: 58px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 20px;
  font-size: 28px;
  background: linear-gradient(180deg, rgba(212, 168, 67, 0.16), rgba(212, 168, 67, 0.08));
  border: 1px solid rgba(212, 168, 67, 0.2);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.step-title {
  margin: 18px 0 8px;
  font-size: clamp(1.45rem, 3vw, 2rem);
  line-height: 1.12;
  color: var(--signup-text);
}

.step-description {
  margin: 0 0 26px;
  font-size: 0.98rem;
  line-height: 1.7;
  color: var(--signup-text-muted);
}

.signup-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.form-label {
  color: var(--signup-text);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.form-hint {
  margin: 0;
  color: var(--signup-text-dim);
  font-size: 12px;
  line-height: 1.6;
}

.form-input,
.form-select,
.form-textarea,
.platform-handle {
  width: 100%;
  min-height: 48px;
  padding: 13px 14px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
  color: var(--signup-text);
  font: inherit;
  box-sizing: border-box;
  transition: border-color 160ms ease, box-shadow 160ms ease, background-color 160ms ease;
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

.form-input::placeholder,
.form-textarea::placeholder,
.platform-handle::placeholder {
  color: var(--signup-text-dim);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus,
.platform-handle:focus {
  outline: none;
  border-color: var(--signup-accent);
  box-shadow: 0 0 0 3px rgba(212, 168, 67, 0.12);
  background: rgba(255, 255, 255, 0.05);
}

.input-prefix {
  display: flex;
  align-items: center;
  gap: 0;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
  overflow: hidden;
}

.input-prefix:focus-within {
  border-color: var(--signup-accent);
  box-shadow: 0 0 0 3px rgba(212, 168, 67, 0.12);
}

.prefix {
  padding: 0 14px;
  color: var(--signup-text-dim);
  font-size: 13px;
  white-space: nowrap;
  border-right: 1px solid rgba(255, 255, 255, 0.06);
}

.input-prefix .form-input {
  border: none;
  background: transparent;
  box-shadow: none;
}

.step-error {
  display: none;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid rgba(239, 106, 106, 0.24);
  background: rgba(239, 106, 106, 0.12);
  color: var(--signup-danger);
  font-size: 13px;
  font-weight: 600;
}

.signup-page .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  text-decoration: none;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: transform 160ms ease, border-color 160ms ease, background-color 160ms ease, color 160ms ease, box-shadow 160ms ease;
}

.signup-page .btn:hover {
  transform: translateY(-1px);
}

.signup-page .btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

.signup-page .btn-primary {
  background: linear-gradient(180deg, var(--signup-accent-strong) 0%, var(--signup-accent) 100%);
  color: #17120a;
  box-shadow: 0 14px 28px rgba(212, 168, 67, 0.2);
}

.signup-page .btn-primary:hover {
  box-shadow: 0 18px 34px rgba(212, 168, 67, 0.24);
}

.signup-page .btn-secondary {
  background: rgba(255, 255, 255, 0.03);
  color: var(--signup-text);
  border-color: rgba(255, 255, 255, 0.08);
}

.signup-page .btn-secondary:hover {
  background: rgba(212, 168, 67, 0.08);
  border-color: var(--signup-border-strong);
}

.signup-page :is(.account-type-cards, .agency-type-options, .size-options, .budget-options, .goals-grid, .category-grid, .cause-grid, .platform-grid) {
  display: grid;
  gap: 16px;
}

.signup-page :is(.account-type-cards, .agency-type-options, .size-options, .budget-options, .goals-grid, .platform-grid) {
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}

.signup-page :is(.category-grid, .cause-grid) {
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
}

.signup-page :is(.account-type-card, .agency-type-card, .size-card, .budget-card, .category-card, .goal-card, .platform-card) {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
  gap: 8px;
  min-height: 124px;
  padding: 18px;
  border-radius: 22px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.02));
  cursor: pointer;
  transition: transform 160ms ease, border-color 160ms ease, background-color 160ms ease, box-shadow 160ms ease;
  box-sizing: border-box;
}

.signup-page :is(.account-type-card, .agency-type-card, .size-card, .budget-card, .category-card, .goal-card, .platform-card):hover {
  transform: translateY(-2px);
  border-color: var(--signup-border-strong);
  background: linear-gradient(180deg, rgba(212, 168, 67, 0.08), rgba(255, 255, 255, 0.025));
}

.signup-page :is(.account-type-card.selected, .category-card.selected, .platform-card.selected) {
  border-color: var(--signup-accent);
  background: linear-gradient(180deg, rgba(212, 168, 67, 0.18), rgba(255, 255, 255, 0.04));
  box-shadow: 0 0 0 3px rgba(212, 168, 67, 0.14);
}

.signup-page :is(.agency-type-option, .size-option, .budget-option) input,
.signup-page .goal-card input,
.signup-page .upload-input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.signup-page :is(.agency-type-option, .size-option, .budget-option):has(input:checked) :is(.agency-type-card, .size-card, .budget-card),
.signup-page .goal-card:has(input:checked) {
  border-color: var(--signup-accent);
  background: linear-gradient(180deg, rgba(212, 168, 67, 0.18), rgba(255, 255, 255, 0.04));
  box-shadow: 0 0 0 3px rgba(212, 168, 67, 0.14);
}

.type-icon,
.size-icon,
.category-icon,
.goal-icon,
.platform-icon,
.upload-icon {
  font-size: 24px;
}

.type-name,
.size-name,
.category-name,
.goal-name,
.platform-name,
.budget-amount {
  color: var(--signup-text);
  font-size: 15px;
  font-weight: 700;
}

.type-desc,
.size-desc,
.goal-desc,
.budget-desc,
.upload-hint,
.upload-text {
  color: var(--signup-text-muted);
  font-size: 13px;
  line-height: 1.6;
}

.platform-card {
  min-height: 146px;
}

.platform-icon {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.06);
}

.platform-icon.instagram { background: linear-gradient(135deg, #f58529, #d62976 65%, #4f5bd5); }
.platform-icon.tiktok { background: linear-gradient(135deg, #0f0f10, #25f4ee 55%, #fe2c55); }
.platform-icon.youtube { background: linear-gradient(135deg, #ff3d3d, #c70000); }
.platform-icon.twitter { background: linear-gradient(135deg, #111827, #475569); }
.platform-icon.facebook { background: linear-gradient(135deg, #2563eb, #1d4ed8); }

.platform-handle {
  min-height: 40px;
  padding: 10px 12px;
}

.goal-card {
  min-height: 134px;
  align-items: flex-start;
  justify-content: flex-start;
}

.upload-area {
  position: relative;
  min-height: 220px;
  border-radius: 24px;
  border: 1px dashed rgba(212, 168, 67, 0.34);
  background: linear-gradient(180deg, rgba(212, 168, 67, 0.08), rgba(255, 255, 255, 0.02));
  overflow: hidden;
  cursor: pointer;
}

.upload-preview {
  min-height: inherit;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  text-align: center;
}

.upload-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 18px;
}

.upload-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.discount-banner {
  margin-bottom: 20px;
  padding: 18px 20px;
  border-radius: 22px;
  border: 1px solid rgba(212, 168, 67, 0.28);
  background: linear-gradient(180deg, rgba(212, 168, 67, 0.18), rgba(255, 255, 255, 0.03));
}

.discount-banner h3,
.discount-banner p {
  margin: 0;
}

.discount-banner h3 {
  font-size: 1rem;
  font-weight: 800;
  color: var(--signup-text);
}

.discount-banner p {
  margin-top: 6px;
  color: var(--signup-text-muted);
  line-height: 1.7;
}

.summary-card,
.review-card,
.verification-card,
.completion-card,
.success-card {
  padding: 18px;
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
}

.review-list,
.verification-list,
.summary-list {
  display: grid;
  gap: 12px;
}

.summary-item,
.review-item,
.verification-item {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.summary-item:last-child,
.review-item:last-child,
.verification-item:last-child {
  padding-bottom: 0;
  border-bottom: none;
}

.summary-label,
.review-label,
.verification-label {
  color: var(--signup-text-dim);
  font-size: 13px;
  font-weight: 600;
}

.summary-value,
.review-value,
.verification-value {
  color: var(--signup-text);
  font-weight: 600;
  text-align: right;
}

@media (max-width: 780px) {
  .signup-page {
    padding: 18px 14px 34px;
  }

  .progress-container {
    padding: 14px 16px;
    border-radius: 20px;
  }

  .signup-header,
  .step-content,
  .step-actions {
    padding-left: 20px;
    padding-right: 20px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .step-actions {
    flex-direction: column-reverse;
  }

  .step-actions .btn {
    width: 100%;
  }
}

@media (max-width: 560px) {
  .signup-page :is(.account-type-cards, .agency-type-options, .size-options, .budget-options, .goals-grid, .category-grid, .cause-grid, .platform-grid) {
    grid-template-columns: 1fr;
  }

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

  .step-title {
    font-size: 1.4rem;
  }
}