/* frontend/assets/auth-modal.css */
/* Auth Modal - Fully Responsive, Chrome & Safari Optimized */
/* Version: 4.2.0 - CSS Variables Fix + 3-Step Wizard */

/* ========================================
   CSS VARIABLES
   ======================================== */
:root {
  --color-primary: #0077b6;
  --color-success: #10b981;
  --color-danger: #ef4444;
  --color-white: #ffffff;
  --color-black: #000000;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  --transition-base: 0.2s ease;
  --transition-fast: 0.15s ease;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --font-primary: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
}

/* ========================================
   MODAL OVERLAY
   ======================================== */

.auth-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 999999;

  /* Zentrier-Layout (auf allen Viewports!) */
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg);

  /* Light Blur Background (Chrome + Safari) */
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  background: rgba(0, 0, 0, 0.15);

  /* Safari iOS: Tap Highlight entfernen */
  -webkit-tap-highlight-color: transparent;

  /* Animation */
  opacity: 0;
  transition: opacity 0.3s ease;
}

.auth-modal-overlay.active {
  opacity: 1;
}

/* ========================================
   MODAL CONTAINER
   ======================================== */

.auth-modal {
  position: relative;
  width: 100%;
  max-width: 440px;
  max-height: 90vh; /* Safari iOS: Browser-Leiste berücksichtigen */
  overflow-y: auto;

  /* Safari iOS: Smooth Scrolling */
  -webkit-overflow-scrolling: touch;

  /* Zentrier-Fallback für Safari */
  margin: auto;

  /* Light Glassmorphic Card (Chrome + Safari) */
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(40px);
  -webkit-backdrop-filter: blur(40px);
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: var(--radius-xl);

  /* Shadow */
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);

  /* Padding (Desktop) */
  padding: 32px;

  /* Animation */
  transform: scale(0.9) translateY(20px);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Hardware Acceleration (Safari) */
  transform: translate3d(0, 0, 0);
}

.auth-modal-overlay.active .auth-modal {
  transform: scale(1) translateY(0);
  opacity: 1;
}

/* Shake Animation */
@keyframes shake {
  0%,
  100% {
    transform: translateX(0);
  }
  25% {
    transform: translateX(-10px);
  }
  75% {
    transform: translateX(10px);
  }
}

.auth-modal.shake {
  animation: shake 0.3s ease;
}

/* ========================================
   MODAL HEADER
   ======================================== */

.auth-modal-header {
  text-align: center;
  margin-bottom: 20px; /* Reduziert von 24px */
}

.beta-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 8px 16px;
  background: var(--gradient-primary);
  color: var(--color-white);
  border-radius: 999px;
  font-weight: var(--font-weight-semibold);
  font-size: 0.875rem;
  box-shadow: 0 4px 12px rgba(0, 119, 182, 0.3);
  margin-bottom: 8px;
}

.beta-badge svg {
  width: 18px;
  height: 18px;
}

.auth-modal-subtitle {
  color: var(--gray-600);
  font-size: 0.9375rem;
  margin: 0;
  line-height: 1.4;
}

/* ========================================
   MODAL SECTIONS
   ======================================== */

.auth-modal-section {
  margin-bottom: 20px; /* Reduziert von 32px */
}

.section-title {
  font-size: 2rem;
  color: var(--color-black);
  margin: 0 0 6px 0;
}

.section-description {
  font-size: 0.8125rem;
  color: var(--gray-600);
  margin: 0 0 12px 0;
  line-height: 1.5;
}

/* ========================================
   FORMS
   ======================================== */

.auth-modal-form {
  display: flex;
  flex-direction: column;
  gap: 14px; /* Reduziert von 16px */
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 0.8125rem;
  font-weight: var(--font-weight-medium);
  color: var(--gray-700);
}

.form-input-wrapper {
  position: relative;
}

.form-input {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-family: var(--font-primary);
  background: var(--color-white);
  color: var(--color-black);
  transition: all var(--transition-base);

  /* Safari: Tap Highlight entfernen */
  -webkit-tap-highlight-color: transparent;
}

.form-input::placeholder {
  color: var(--gray-400);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-medium-blue);
  box-shadow: 0 0 0 4px rgba(0, 119, 182, 0.1);
}

.form-input.error {
  border-color: var(--color-danger);
}

.form-input.error:focus {
  box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.1);
}

/* Password Toggle */
.password-toggle {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  color: var(--gray-500);
  padding: 6px;
  transition: color var(--transition-fast);

  /* Safari: Tap Highlight entfernen */
  -webkit-tap-highlight-color: transparent;
}

.password-toggle:hover {
  color: var(--gray-700);
}

.password-toggle svg {
  width: 20px;
  height: 20px;
  display: block;
}

/* Error Message */
.form-error {
  font-size: 0.75rem;
  color: var(--color-danger);
  display: none;
  margin-top: 4px;
}

.form-error.active {
  display: block;
}

/* ========================================
   BUTTONS
   ======================================== */

.btn-submit {
  width: 100%;
  padding: 12px 16px;
  background: var(--color-black);
  color: var(--color-white);
  border: none;
  border-radius: var(--radius-md);
  font-weight: var(--font-weight-semibold);
  font-size: 1rem;
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;

  /* Safari: Tap Highlight entfernen */
  -webkit-tap-highlight-color: transparent;
}

.btn-submit:hover {
  background: var(--gray-800);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.btn-submit:active {
  transform: translateY(0);
}

.btn-submit.btn-gradient {
  background: var(--gradient-primary);
}

.btn-submit.btn-gradient::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-hover);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.btn-submit.btn-gradient:hover::before {
  opacity: 1;
}

.btn-submit span {
  position: relative;
  z-index: 1;
}

.btn-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

/* Loading State */
.btn-submit.loading span {
  opacity: 0;
}

.btn-submit.loading::after {
  content: "";
  position: absolute;
  width: 20px;
  height: 20px;
  top: 50%;
  left: 50%;
  margin-left: -10px;
  margin-top: -10px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: var(--color-white);
  animation: spinner 0.6s linear infinite;
}

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

/* ========================================
   DIVIDER
   ======================================== */

.auth-divider {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin: 16px 0; /* Reduziert von 24px */
  color: var(--gray-500);
  font-size: 0.8125rem;
  font-weight: var(--font-weight-medium);
}

.auth-divider::before,
.auth-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--gray-200);
}

/* ========================================
   SUCCESS MESSAGE
   ======================================== */

.beta-success-message {
  text-align: center;
  padding: 16px;
  background: rgba(16, 185, 129, 0.05);
  border: 1px solid rgba(16, 185, 129, 0.2);
  border-radius: var(--radius-lg);
}

.beta-success-message svg {
  margin: 0 auto 12px;
}

.beta-success-message h4 {
  font-size: 1.125rem;
  font-weight: var(--font-weight-semibold);
  color: var(--color-success);
  margin: 0 0 8px 0;
}

.beta-success-message p {
  font-size: 0.875rem;
  color: var(--gray-700);
  margin: 0;
  line-height: 1.6;
}

/* ========================================
   RESPONSIVE - ALLE ZENTRIERT!
   ======================================== */

/* Tablet (768px - 1024px) */
@media (max-width: 1024px) {
  .auth-modal {
    padding: 24px;
  }

  .auth-modal-header {
    margin-bottom: 16px;
  }

  .auth-modal-section {
    margin-bottom: 14px;
  }

  .auth-modal-form {
    gap: 12px;
  }

  .auth-divider {
    margin: 12px 0;
  }

  .section-title {
    font-size: 1rem;
  }

  .section-description {
    font-size: 0.8125rem;
    margin-bottom: 10px;
  }
}

/* Mobile (max-width: 768px) */
@media (max-width: 768px) {
  .auth-modal-overlay {
    padding: 12px;

    /* Safari iOS: Safe Area berücksichtigen (iPhone Notch) */
    padding-left: max(12px, env(safe-area-inset-left));
    padding-right: max(12px, env(safe-area-inset-right));
    padding-top: max(12px, env(safe-area-inset-top));
    padding-bottom: max(12px, env(safe-area-inset-bottom));
  }

  .auth-modal {
    max-width: 100%;
    max-height: 90vh; /* Safari iOS: Browser-Leiste */
    padding: 16px;
    border-radius: 16px;
  }

  .auth-modal-header {
    margin-bottom: 12px;
  }

  .beta-badge {
    font-size: 0.75rem;
    padding: 6px 12px;
    margin-bottom: 6px;
  }

  .beta-badge svg {
    width: 16px;
    height: 16px;
  }

  .auth-modal-subtitle {
    font-size: 0.875rem;
  }

  .auth-modal-section {
    margin-bottom: 12px;
  }

  .section-title {
    font-size: 0.9375rem;
    margin-bottom: 4px;
  }

  .section-description {
    font-size: 0.75rem;
    margin-bottom: 8px;
    line-height: 1.4;
  }

  .auth-modal-form {
    gap: 10px;
  }

  .form-group {
    gap: 4px;
  }

  .form-label {
    font-size: 0.75rem;
  }

  .form-input {
    padding: 10px;
    font-size: 16px; /* Safari iOS: Verhindert Auto-Zoom! */
  }

  .btn-submit {
    padding: 11px 14px;
    font-size: 0.9375rem;
  }

  .auth-divider {
    margin: 10px 0;
    font-size: 0.75rem;
  }

  .beta-success-message {
    padding: 12px;
  }

  .beta-success-message h4 {
    font-size: 1rem;
  }

  .beta-success-message p {
    font-size: 0.8125rem;
  }

  .password-toggle {
    right: 10px;
    padding: 4px;
  }

  .password-toggle svg {
    width: 18px;
    height: 18px;
  }

  /* Wizard Mobile Adjustments */
  .wizard-progress {
    margin-bottom: 14px;
  }

  .progress-dots {
    gap: 10px;
  }

  .progress-dot {
    width: 8px;
    height: 8px;
  }

  .progress-text {
    font-size: 0.75rem;
  }

  .wizard-buttons {
    gap: 8px;
    flex-direction: column;
  }

  .wizard-buttons .btn-submit {
    width: 100%;
  }

  .role-option {
    padding: 10px;
    min-height: 44px; /* Touch target */
  }

  .role-option .role-label {
    font-size: 0.875rem;
    padding-left: 26px;
  }

  .role-option .role-label::before {
    width: 16px;
    height: 16px;
  }

  .role-option input[type="radio"]:checked + .role-label::after {
    left: 5px;
    width: 6px;
    height: 6px;
  }
}

/* Small Mobile (max-width: 480px) - Extra Kompakt */
@media (max-width: 480px) {
  .auth-modal {
    padding: 14px;
    max-height: 92vh; /* Noch mehr Platz nutzen */
  }

  .auth-modal-header {
    margin-bottom: 10px;
  }

  .beta-badge {
    font-size: 0.6875rem;
    padding: 5px 10px;
    margin-bottom: 4px;
  }

  .beta-badge svg {
    width: 14px;
    height: 14px;
  }

  .auth-modal-subtitle {
    font-size: 0.8125rem;
  }

  .auth-modal-section {
    margin-bottom: 10px;
  }

  .section-title {
    font-size: 0.875rem;
    margin-bottom: 3px;
  }

  .section-description {
    font-size: 0.6875rem;
    margin-bottom: 6px;
    line-height: 1.3;
  }

  .auth-modal-form {
    gap: 8px;
  }

  .form-group {
    gap: 3px;
  }

  .form-label {
    font-size: 0.6875rem;
  }

  .form-input {
    padding: 9px;
    font-size: 16px; /* Safari iOS: Verhindert Auto-Zoom! */
  }

  .btn-submit {
    padding: 10px 12px;
    font-size: 0.875rem;
  }

  .auth-divider {
    margin: 8px 0;
    font-size: 0.6875rem;
  }

  .beta-success-message {
    padding: 10px;
  }

  .beta-success-message svg {
    width: 36px;
    height: 36px;
    margin-bottom: 6px;
  }

  .beta-success-message h4 {
    font-size: 0.9375rem;
    margin-bottom: 4px;
  }

  .beta-success-message p {
    font-size: 0.75rem;
    line-height: 1.4;
  }
}

/* Extra Small Mobile (max-width: 360px) - Ultra Kompakt */
@media (max-width: 360px) {
  .auth-modal {
    padding: 12px;
  }

  .auth-modal-header {
    margin-bottom: 8px;
  }

  .beta-badge {
    font-size: 0.625rem;
    padding: 4px 8px;
  }

  .auth-modal-section {
    margin-bottom: 8px;
  }

  .section-title {
    font-size: 0.8125rem;
  }

  .section-description {
    font-size: 0.625rem;
  }

  .auth-modal-form {
    gap: 6px;
  }

  .form-input {
    padding: 8px;
  }

  .btn-submit {
    padding: 9px 10px;
    font-size: 0.8125rem;
  }

  .auth-divider {
    margin: 6px 0;
  }
}

/* ========================================
   3-STEP WIZARD
   ======================================== */

/* Progress Indicator */
.wizard-progress {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
}

.progress-dots {
  display: flex;
  gap: 12px;
  align-items: center;
}

.progress-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--gray-300);
  transition: all var(--transition-base);
}

.progress-dot.active {
  background: var(--color-primary);
  transform: scale(1.2);
}

.progress-text {
  font-size: 0.8125rem;
  color: var(--gray-600);
  font-weight: var(--font-weight-medium);
}

/* Wizard Steps */
.wizard-step {
  display: none;
  animation: fadeOut 0.2s ease;
}

.wizard-step.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeOut {
  from {
    opacity: 1;
  }
  to {
    opacity: 0;
  }
}

/* Wizard Buttons */
.wizard-buttons {
  display: flex;
  gap: 12px;
  margin-top: 4px;
}

.wizard-buttons .btn-submit {
  flex: 1;
}

.btn-secondary {
  background: var(--gray-100);
  color: var(--gray-700);
  border: 1px solid var(--gray-200);
}

.btn-secondary:hover {
  background: var(--gray-200);
  color: var(--gray-900);
}

/* Role Options (Step 3) */
.role-options {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-top: 8px;
}

.role-option {
  position: relative;
  display: flex;
  align-items: center;
  padding: 12px;
  background: var(--color-white);
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);

  /* Safari: Tap Highlight entfernen */
  -webkit-tap-highlight-color: transparent;
  -webkit-user-select: none;
  user-select: none;
}

.role-option:hover {
  border-color: var(--color-primary);
  background: rgba(0, 119, 182, 0.03);
}

.role-option.selected {
  border-color: var(--color-primary);
  background: rgba(0, 119, 182, 0.08);
}

.role-option input[type="radio"] {
  position: absolute;
  opacity: 0;
  cursor: pointer;
}

.role-option .role-label {
  display: block;
  width: 100%;
  font-size: 0.9375rem;
  font-weight: var(--font-weight-medium);
  color: var(--gray-900);
  padding-left: 28px;
  position: relative;
}

/* Custom Radio Button */
.role-option .role-label::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  border: 2px solid var(--gray-300);
  border-radius: 50%;
  background: var(--color-white);
  transition: all var(--transition-fast);
}

.role-option input[type="radio"]:checked ~ .role-label::before {
  border-color: var(--color-primary);
  background: var(--color-primary);
}

/* ========================================
   SCROLLBAR STYLING (nur Desktop)
   ======================================== */

@media (min-width: 769px) {
  .auth-modal::-webkit-scrollbar {
    width: 6px;
  }

  .auth-modal::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.05);
    border-radius: 3px;
  }

  .auth-modal::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 3px;
  }

  .auth-modal::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 0, 0, 0.3);
  }
}

/* ========================================
   ACCESSIBILITY
   ======================================== */

.btn-submit:focus-visible,
.form-input:focus-visible,
.password-toggle:focus-visible {
  outline: 2px solid var(--color-medium-blue);
  outline-offset: 2px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .auth-modal-overlay,
  .auth-modal,
  .btn-submit,
  .form-input,
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ========================================
   SAFARI SPECIFIC FIXES
   ======================================== */

/* Safari: Verhindere Bounce-Effekt beim Scrollen */
@supports (-webkit-touch-callout: none) {
  .auth-modal {
    overscroll-behavior: contain;
  }
}

/* Safari iOS: Verhindere Text-Selection beim Tap */
.beta-badge,
.btn-submit,
.auth-divider {
  -webkit-user-select: none;
  user-select: none;
}