/**
 * Material Design Components CSS
 * Custom material design implementation for MYTPTD
 */

/* Material Design Variables */
:root {
  /* Material Colors */
  --md-primary: #002d5b;
  --md-primary-light: #1e5a96;
  --md-primary-dark: #001a3a;
  --md-secondary: #ffb300;
  --md-secondary-light: #ffcc33;
  --md-secondary-dark: #cc8f00;
  --md-accent: #47b2e4;
  --md-error: #f44336;
  --md-warning: #ff9800;
  --md-success: #4caf50;
  --md-info: #2196f3;

  /* Material Surfaces */
  --md-surface: #ffffff;
  --md-surface-variant: #f5f5f5;
  --md-background: #fafafa;
  --md-on-surface: #1f1f1f;
  --md-on-surface-variant: #757575;

  /* Material Elevations */
  --md-elevation-1: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
  --md-elevation-2: 0 3px 6px rgba(0, 0, 0, 0.16), 0 3px 6px rgba(0, 0, 0, 0.23);
  --md-elevation-3: 0 10px 20px rgba(0, 0, 0, 0.19),
    0 6px 6px rgba(0, 0, 0, 0.23);
  --md-elevation-4: 0 14px 28px rgba(0, 0, 0, 0.25),
    0 10px 10px rgba(0, 0, 0, 0.22);
  --md-elevation-5: 0 19px 38px rgba(0, 0, 0, 0.3),
    0 15px 12px rgba(0, 0, 0, 0.22);

  /* Material Typography */
  --md-font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI",
    Roboto, sans-serif;
  --md-font-weight-light: 300;
  --md-font-weight-regular: 400;
  --md-font-weight-medium: 500;
  --md-font-weight-semibold: 600;
  --md-font-weight-bold: 700;

  /* Material Transitions */
  --md-transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --md-transition-standard: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --md-transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

  /* Material Border Radius */
  --md-radius-small: 4px;
  --md-radius-medium: 8px;
  --md-radius-large: 12px;
  --md-radius-extra-large: 16px;
}

/* Signup Page Styles */
.signup-main {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--md-background) 0%, #e8f4f8 100%);
  padding: 2rem 0;
}

.signup-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Header Section */
.signup-header {
  text-align: center;
  margin-bottom: 3rem;
}

.signup-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(
    135deg,
    var(--md-primary),
    var(--md-primary-light)
  );
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  box-shadow: var(--md-elevation-3);
  animation: iconPulse 2s ease-in-out infinite;
}

.signup-icon i {
  font-size: 2.5rem;
  color: white;
}

@keyframes iconPulse {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

.signup-title {
  font-size: 2.5rem;
  font-weight: var(--md-font-weight-bold);
  color: var(--md-primary);
  margin-bottom: 0.5rem;
  font-family: var(--md-font-family);
}

.signup-subtitle {
  font-size: 1.1rem;
  color: var(--md-on-surface-variant);
  font-weight: var(--md-font-weight-regular);
  max-width: 500px;
  margin: 0 auto;
  line-height: 1.5;
}

/* Progress Indicator */
.progress-indicator {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 3rem;
  padding: 0 2rem;
}

.progress-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  z-index: 2;
}

.step-number {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--md-surface-variant);
  color: var(--md-on-surface-variant);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--md-font-weight-semibold);
  font-size: 1rem;
  transition: all var(--md-transition-standard);
  border: 2px solid var(--md-surface-variant);
  margin-bottom: 0.5rem;
}

.step-label {
  font-size: 0.875rem;
  color: var(--md-on-surface-variant);
  font-weight: var(--md-font-weight-medium);
  text-align: center;
  transition: color var(--md-transition-standard);
}

.progress-step.active .step-number {
  background: var(--md-primary);
  color: white;
  border-color: var(--md-primary);
  box-shadow: var(--md-elevation-2);
}

.progress-step.active .step-label {
  color: var(--md-primary);
  font-weight: var(--md-font-weight-semibold);
}

.progress-step.completed .step-number {
  background: var(--md-success);
  color: white;
  border-color: var(--md-success);
}

.progress-step.completed .step-label {
  color: var(--md-success);
}

.progress-line {
  flex: 1;
  height: 2px;
  background: var(--md-surface-variant);
  margin: 0 1rem;
  position: relative;
  top: -20px;
}

.progress-step.completed + .progress-line {
  background: var(--md-success);
}

/* Form Styles */
.signup-form {
  background: var(--md-surface);
  border-radius: var(--md-radius-extra-large);
  box-shadow: var(--md-elevation-2);
  overflow: hidden;
  margin-bottom: 2rem;
}

.form-step {
  display: none;
  padding: 2.5rem;
  animation: fadeInUp 0.4s ease-out;
}

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

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.step-header {
  text-align: center;
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--md-surface-variant);
}

.step-title {
  font-size: 1.75rem;
  font-weight: var(--md-font-weight-semibold);
  color: var(--md-primary);
  margin-bottom: 0.5rem;
}

.step-description {
  color: var(--md-on-surface-variant);
  font-size: 1rem;
  margin: 0;
}

/* Form Grid */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.form-group-full {
  grid-column: 1 / -1;
}

/* Form Group */
.form-group {
  position: relative;
}

.form-label {
  font-weight: var(--md-font-weight-medium);
  color: var(--md-on-surface);
  margin-bottom: 0.5rem;
  font-size: 0.875rem;
  display: block;
}

.required {
  color: var(--md-error);
  margin-left: 2px;
}

/* Input Wrapper */
.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.form-control,
.form-select {
  width: 100%;
  padding: 0.875rem 1rem;
  padding-left: 2.75rem;
  border: 2px solid #e0e0e0;
  border-radius: var(--md-radius-medium);
  font-size: 1rem;
  font-family: var(--md-font-family);
  background: var(--md-surface);
  color: var(--md-on-surface);
  transition: all var(--md-transition-standard);
  outline: none;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--md-primary);
  box-shadow: 0 0 0 3px rgba(0, 45, 91, 0.1);
  background: var(--md-surface);
}

.form-control.is-invalid,
.form-select.is-invalid {
  border-color: var(--md-error);
  box-shadow: 0 0 0 3px rgba(244, 67, 54, 0.1);
}

.form-control:disabled,
.form-select:disabled {
  background: var(--md-surface-variant);
  color: var(--md-on-surface-variant);
  cursor: not-allowed;
}

.form-control[readonly] {
  background: var(--md-surface-variant);
  cursor: default;
}

/* Input Icons */
.input-icon {
  position: absolute;
  left: 1rem;
  color: var(--md-on-surface-variant);
  font-size: 1.1rem;
  z-index: 2;
  transition: color var(--md-transition-standard);
}

.input-wrapper:focus-within .input-icon {
  color: var(--md-primary);
}

.form-control.is-invalid ~ .input-icon,
.form-select.is-invalid ~ .input-icon {
  color: var(--md-error);
}

/* Password Toggle */
.password-toggle {
  position: absolute;
  right: 1rem;
  background: none;
  border: none;
  color: var(--md-on-surface-variant);
  cursor: pointer;
  padding: 0.25rem;
  border-radius: var(--md-radius-small);
  transition: all var(--md-transition-fast);
  z-index: 3;
}

.password-toggle:hover {
  color: var(--md-primary);
  background: rgba(0, 45, 91, 0.05);
}

/* Loading Spinner */
.loading-spinner {
  position: absolute;
  right: 1rem;
  width: 20px;
  height: 20px;
  border: 2px solid var(--md-surface-variant);
  border-top: 2px solid var(--md-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  display: none;
  z-index: 3;
}

.loading-spinner.show {
  display: block;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

/* Form Validation */
.invalid-feedback {
  color: var(--md-error);
  font-size: 0.875rem;
  margin-top: 0.25rem;
  display: block;
  font-weight: var(--md-font-weight-medium);
}

.form-hint {
  color: var(--md-on-surface-variant);
  font-size: 0.75rem;
  margin-top: 0.25rem;
  font-style: italic;
}

/* Password Strength */
.password-strength {
  margin-top: 0.5rem;
  display: none;
}

.strength-bar {
  height: 4px;
  background: var(--md-surface-variant);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 0.25rem;
}

.strength-fill {
  height: 100%;
  width: 0%;
  background: var(--md-error);
  transition: all var(--md-transition-standard);
  border-radius: 2px;
}

.strength-text {
  font-size: 0.75rem;
  color: var(--md-on-surface-variant);
}

.strength-level {
  font-weight: var(--md-font-weight-semibold);
}

/* Terms Section */
.terms-section {
  margin: 1.5rem 0;
  padding: 1rem;
  background: var(--md-surface-variant);
  border-radius: var(--md-radius-medium);
  border-left: 4px solid var(--md-primary);
}

.form-check {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.form-check-input {
  width: 18px;
  height: 18px;
  margin: 0;
  border: 2px solid #ccc;
  border-radius: var(--md-radius-small);
  background: var(--md-surface);
  cursor: pointer;
  transition: all var(--md-transition-standard);
  flex-shrink: 0;
  margin-top: 2px;
}

.form-check-input:checked {
  background: var(--md-primary);
  border-color: var(--md-primary);
}

.form-check-input:focus {
  box-shadow: 0 0 0 3px rgba(0, 45, 91, 0.1);
}

.form-check-label {
  font-size: 0.875rem;
  color: var(--md-on-surface);
  line-height: 1.4;
  cursor: pointer;
}

.form-check-label a {
  color: var(--md-primary);
  text-decoration: none;
  font-weight: var(--md-font-weight-medium);
}

.form-check-label a:hover {
  text-decoration: underline;
}

/* Step Actions */
.step-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1.5rem;
  border-top: 1px solid var(--md-surface-variant);
  gap: 1rem;
}

/* Material Buttons */
.btn {
  padding: 0.875rem 1.5rem;
  border-radius: var(--md-radius-medium);
  font-weight: var(--md-font-weight-medium);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border: none;
  cursor: pointer;
  transition: all var(--md-transition-standard);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  position: relative;
  overflow: hidden;
  min-width: 120px;
}

.btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.1);
  transform: translateX(-100%);
  transition: transform var(--md-transition-standard);
}

.btn:hover::before {
  transform: translateX(0);
}

.btn-primary {
  background: linear-gradient(
    135deg,
    var(--md-primary),
    var(--md-primary-light)
  );
  color: white;
  box-shadow: var(--md-elevation-2);
}

.btn-primary:hover {
  box-shadow: var(--md-elevation-3);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--md-surface-variant);
  color: var(--md-on-surface);
  border: 1px solid #ddd;
}

.btn-secondary:hover {
  background: #e0e0e0;
  transform: translateY(-1px);
}

.btn-success {
  background: linear-gradient(135deg, var(--md-success), #66bb6a);
  color: white;
  box-shadow: var(--md-elevation-2);
}

.btn-success:hover {
  box-shadow: var(--md-elevation-3);
  transform: translateY(-1px);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

/* Alert Container */
.alert-container {
  margin: 1.5rem 0;
}

.alert {
  padding: 1rem 1.25rem;
  border-radius: var(--md-radius-medium);
  border: none;
  font-weight: var(--md-font-weight-medium);
  display: flex;
  align-items: center;
  box-shadow: var(--md-elevation-1);
  animation: slideInDown 0.3s ease-out;
}

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

.alert-success {
  background: #e8f5e8;
  color: #2e7d32;
  border-left: 4px solid var(--md-success);
}

.alert-danger {
  background: #ffebee;
  color: #c62828;
  border-left: 4px solid var(--md-error);
}

.alert-warning {
  background: #fff3e0;
  color: #ef6c00;
  border-left: 4px solid var(--md-warning);
}

.alert i {
  margin-right: 0.5rem;
  font-size: 1.1rem;
}

/* Login Link */
.login-link {
  text-align: center;
  padding: 1.5rem;
  background: var(--md-surface);
  border-radius: var(--md-radius-large);
  box-shadow: var(--md-elevation-1);
}

.login-link p {
  margin: 0;
  color: var(--md-on-surface-variant);
  font-size: 0.875rem;
}

.login-link a {
  color: var(--md-primary);
  text-decoration: none;
  font-weight: var(--md-font-weight-semibold);
}

.login-link a:hover {
  text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 768px) {
  .signup-main {
    padding: 1rem 0;
  }

  .signup-container {
    padding: 0 0.5rem;
  }

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

  .progress-indicator {
    padding: 0 1rem;
    margin-bottom: 2rem;
  }

  .step-number {
    width: 35px;
    height: 35px;
    font-size: 0.875rem;
  }

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

  .progress-line {
    margin: 0 0.5rem;
  }

  .form-step {
    padding: 1.5rem;
  }

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

  .step-actions {
    flex-direction: column-reverse;
    gap: 0.75rem;
  }

  .btn {
    width: 100%;
    min-width: auto;
  }
}

@media (max-width: 480px) {
  .signup-icon {
    width: 60px;
    height: 60px;
  }

  .signup-icon i {
    font-size: 2rem;
  }

  .signup-title {
    font-size: 1.75rem;
  }

  .form-step {
    padding: 1rem;
  }

  .step-title {
    font-size: 1.5rem;
  }

  .form-control,
  .form-select {
    padding: 0.75rem 1rem;
    padding-left: 2.5rem;
  }
}

/* Focus Management */
.form-control:focus,
.form-select:focus,
.form-check-input:focus,
.btn:focus {
  outline: 2px solid var(--md-primary);
  outline-offset: 2px;
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
  .form-control,
  .form-select {
    border-width: 3px;
  }

  .btn {
    border: 2px solid currentColor;
  }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}