/**
 * Registrieren Page — Split Layout + Invite Gate
 * Design System v3.0 konform
 *
 * @version 1.0.0
 * @date 2026-03-11
 */

/* ============================================
   LAYOUT — Split Grid
   ============================================ */

/* Nav-Offset: fixed nav = 64px */
.register-page {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 100vh;
  gap: 48px;
  padding: 88px 48px 48px;
  background: linear-gradient(180deg, var(--gray-50) 0%, var(--color-white) 100%);
  align-items: start;
  max-width: 1200px;
  margin: 0 auto;
}

/* ============================================
   LEFT — Überzeugung
   ============================================ */
.register-left {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-8);
  max-width: 520px;
  padding-top: var(--spacing-8);
}

.register-left .beta-badge {
  align-self: flex-start;
}

.register-headline {
  font-family: var(--font-headline);
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.15;
  color: var(--gray-900);
  margin: 0;
}

.register-headline-accent {
  color: var(--color-primary);
}

.register-subline {
  font-size: 1.125rem;
  line-height: 1.65;
  color: var(--gray-600);
  margin: 0;
}

.register-features {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-6);
}

.register-feature {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-4);
}

.register-feature-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--primary-alpha-6);
  color: var(--color-primary);
}

.register-feature h4 {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--gray-900);
  margin: 0 0 3px 0;
}

.register-feature p {
  font-size: 0.8125rem;
  color: var(--gray-500);
  margin: 0;
  line-height: 1.5;
}

/* ============================================
   RIGHT — Formular Card
   ============================================ */
.register-right {
  width: 100%;
  max-width: 460px;
  justify-self: center;
  background: var(--glass-bg);
  backdrop-filter: blur(40px);
  -webkit-backdrop-filter: blur(40px);
  border: 1px solid var(--overlay-white-50);
  border-radius: var(--radius-xl);
  box-shadow: var(--glass-shadow);
  padding: 32px 36px;
  animation: cardFadeIn 0.5s ease forwards;
}

@keyframes cardFadeIn {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

.register-card-logo {
  display: block;
  text-align: center;
  font-family: var(--font-headline);
  font-size: 1.25rem;
  font-weight: 700;
  text-decoration: none;
  margin-bottom: var(--spacing-2);
}

.register-card-logo-text { color: var(--gray-900); }
.register-card-logo-accent { color: var(--color-primary); }

.register-card-title {
  text-align: center;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--gray-900);
  margin: 0 0 var(--spacing-1) 0;
}

.register-card-subtitle {
  text-align: center;
  font-size: 0.8125rem;
  color: var(--gray-500);
  margin: 0 0 var(--spacing-4) 0;
  line-height: 1.5;
}

/* Form overrides */
.register-right .auth-modal-form {
  gap: var(--spacing-3);
}

.register-right .btn-submit {
  margin-top: var(--spacing-2);
}

.register-note {
  text-align: center;
  font-size: 0.75rem;
  color: var(--gray-400);
  margin-top: var(--spacing-4);
}

.register-beta-perk {
  text-align: center;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-top: var(--spacing-2);
}

/* ============================================
   TRUST LINE (linke Seite)
   ============================================ */
.register-trust-line {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-success);
  padding-top: var(--spacing-2);
}

/* ============================================
   PASSWORD INPUT — Toggle Visibility
   ============================================ */
.password-input-wrapper {
  position: relative;
}

.password-input-wrapper .form-input {
  padding-right: 44px;
}

.password-toggle {
  position: absolute;
  right: var(--spacing-3);
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  padding: var(--spacing-1);
  cursor: pointer;
  color: var(--gray-400);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition-fast);
  line-height: 1;
}

.password-toggle:hover {
  color: var(--gray-600);
}

.password-toggle svg[hidden] {
  display: none;
}

/* ============================================
   ROLLE — Sonstiges Textfeld
   ============================================ */
.role-other-group {
  display: none;
}
.role-other-group.is-visible {
  display: block;
}

/* ============================================
   CONSENT CHECKBOX
   ============================================ */
.register-consent {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-2);
  margin-top: var(--spacing-1);
  font-size: 0.8125rem;
  color: var(--gray-500);
  cursor: pointer;
}

.register-consent input[type="checkbox"] {
  margin-top: 2px;
  flex-shrink: 0;
}

.register-consent a {
  color: var(--color-primary);
}

/* ============================================
   INVITE GATE — Kein Token State
   ============================================ */
.register-gate-message {
  text-align: center;
  padding: var(--spacing-8) var(--spacing-4);
}

.register-gate-message .gate-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto var(--spacing-4);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  background: var(--primary-alpha-6);
  color: var(--color-primary);
}

.register-gate-message h3 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--gray-900);
  margin: 0 0 var(--spacing-2) 0;
}

.register-gate-message p {
  font-size: 0.875rem;
  color: var(--gray-500);
  line-height: 1.6;
  margin: 0 0 var(--spacing-6) 0;
}

.register-gate-message .btn-waitlist {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
  padding: var(--spacing-3) var(--spacing-6);
  background: var(--gradient-primary);
  color: var(--color-white);
  border: none;
  border-radius: var(--radius-btn);
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  box-shadow: var(--shadow-primary);
}

.register-gate-message .btn-waitlist:hover {
  transform: translateY(-1px);
}

/* ============================================
   INVITE GATE — Loading / Error States
   ============================================ */
.register-gate-loading {
  text-align: center;
  padding: var(--spacing-12) var(--spacing-4);
  color: var(--gray-500);
  font-size: var(--font-size-sm);
}

.register-gate-loading .spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--overlay-10);
  border-top-color: var(--color-primary);
  border-radius: var(--radius-full);
  animation: spin 0.8s linear infinite;
  margin: 0 auto var(--spacing-3);
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.register-gate-error {
  text-align: center;
  padding: var(--spacing-8) var(--spacing-4);
}

.register-gate-error .gate-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto var(--spacing-4);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  background: var(--danger-alpha-6);
  color: var(--color-danger);
}

.register-gate-error h3 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--gray-900);
  margin: 0 0 var(--spacing-2) 0;
}

.register-gate-error p {
  font-size: 0.875rem;
  color: var(--gray-500);
  line-height: 1.6;
  margin: 0 0 var(--spacing-6) 0;
}

/* ============================================
   INVITE BADGE (im Formular)
   ============================================ */
.register-invite-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
  padding: var(--spacing-1) var(--spacing-3);
  background: var(--success-alpha-6);
  color: var(--color-success);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-2xs);
  font-weight: 600;
  margin-bottom: var(--spacing-3);
}

.register-invite-badge[hidden] {
  display: none;
}

/* Email readonly state */
.form-input[readonly] {
  background: var(--gray-50);
  color: var(--gray-600);
  cursor: not-allowed;
}

/* ============================================
   SUCCESS STATE
   ============================================ */
.register-success {
  text-align: center;
  padding: var(--spacing-4) 0;
}

.register-success .success-icon {
  color: var(--color-success);
  margin-bottom: var(--spacing-4);
}

.register-success h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--gray-900);
  margin: 0 0 var(--spacing-2) 0;
}

.register-success p {
  font-size: 0.875rem;
  color: var(--gray-500);
  line-height: 1.6;
  margin: 0 0 var(--spacing-6) 0;
}

.register-success .btn-login {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
  padding: var(--spacing-3) var(--spacing-6);
  background: var(--gradient-primary);
  color: var(--color-white);
  border: none;
  border-radius: var(--radius-btn);
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  box-shadow: var(--shadow-primary);
}

.register-success .btn-login:hover {
  transform: translateY(-1px);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .register-page {
    gap: var(--spacing-12);
    padding: 104px var(--spacing-8) var(--spacing-12);
  }

  .register-headline {
    font-size: 2rem;
  }

  .register-right {
    padding: 40px;
  }
}

@media (max-width: 768px) {
  .register-page {
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 96px var(--spacing-6) 40px;
    min-height: auto;
  }

  .register-left {
    max-width: 100%;
    text-align: center;
    align-items: center;
  }

  .register-left .beta-badge {
    align-self: center;
  }

  .register-headline {
    font-size: 1.75rem;
  }

  .register-feature {
    text-align: left;
  }

  .register-right {
    max-width: 100%;
    padding: 36px var(--spacing-8);
  }
}

@media (max-width: 480px) {
  .register-page {
    padding: 88px var(--spacing-4) var(--spacing-8);
  }

  .register-left {
    gap: var(--spacing-6);
  }

  .register-headline {
    font-size: 1.5rem;
  }

  .register-right {
    padding: var(--spacing-8) var(--spacing-6);
  }
}