/* Form Styles - Kairos Authentication Portal */

/* Form Container */
.form-container {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 2rem;
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-2xl);
}

/* Auth Tabs */
.auth-tabs {
  display: flex;
  background: var(--gray-800);
  border-radius: 12px;
  padding: 0.25rem;
  margin-bottom: 2rem;
  position: relative;
  overflow: hidden;
}

.tab-btn {
  flex: 1;
  background: none;
  border: none;
  padding: 0.75rem 1rem;
  color: var(--gray-400);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-normal);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  z-index: 2;
  position: relative;
}

.tab-btn.active {
  color: var(--white);
  background: var(--gradient-primary);
}

.tab-btn:hover:not(.active) {
  color: var(--gray-300);
  background: var(--glass-hover);
}

.tab-btn i {
  font-size: 0.875rem;
}

/* Auth Forms */
.auth-form {
  display: none;
}

.auth-form.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

.form-header {
  text-align: center;
  margin-bottom: 2rem;
}

.form-header h2 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 0.5rem;
}

.form-header p {
  color: var(--gray-400);
  font-size: 0.875rem;
}

/* Beta Signup Text */
.beta-signup-text {
  margin-bottom: 1.5rem;
  padding: 1rem;
  background: rgba(124, 58, 237, 0.08);
  border: 1px solid rgba(124, 58, 237, 0.2);
  border-radius: 12px;
  text-align: center;
}

.beta-signup-text h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--primary-purple);
  margin: 0 0 0.25rem 0;
}

.beta-signup-text p {
  font-size: 0.875rem;
  color: var(--gray-300);
  margin: 0;
  font-weight: 500;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--gray-300);
  margin-bottom: 0.5rem;
}

.form-group label i {
  color: var(--gray-400);
  width: 14px;
}

.form-group input {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 8px;
  color: var(--white);
  font-size: 1rem;
  transition: all var(--transition-normal);
  backdrop-filter: blur(10px);
}

.form-group input::placeholder {
  color: var(--gray-500);
}

.form-group input:focus {
  outline: none;
  border-color: var(--primary-purple);
  background: rgba(124, 58, 237, 0.05);
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.1);
  transform: translateY(-1px);
}

.password-input {
  position: relative;
}

.password-toggle {
  position: absolute;
  right: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--gray-400);
  cursor: pointer;
  padding: 0.25rem;
  border-radius: 4px;
  transition: color var(--transition-normal);
}

.password-toggle:hover {
  color: var(--gray-300);
}

.field-validation {
  font-size: 0.75rem;
  margin-top: 0.25rem;
  min-height: 1rem;
}

.field-validation.error {
  color: var(--accent-red);
}

.field-validation.success {
  color: var(--accent-green);
}

/* Password Strength */
.password-strength {
  margin-top: 0.5rem;
}

.strength-indicator {
  height: 4px;
  background: var(--gray-700);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 0.5rem;
}

.strength-bar {
  height: 100%;
  transition: all var(--transition-normal);
  border-radius: 2px;
}

.strength-bar.weak {
  width: 25%;
  background: var(--accent-red);
}

.strength-bar.fair {
  width: 50%;
  background: var(--accent-orange);
}

.strength-bar.good {
  width: 75%;
  background: var(--primary-blue);
}

.strength-bar.strong {
  width: 100%;
  background: var(--accent-green);
}

.strength-text {
  font-size: 0.75rem;
  font-weight: 500;
}

.strength-text.weak {
  color: var(--accent-red);
}

.strength-text.fair {
  color: var(--accent-orange);
}

.strength-text.good {
  color: var(--primary-blue);
}

.strength-text.strong {
  color: var(--accent-green);
}

/* Form Options */
.form-options {
  margin-bottom: 2rem;
}

.checkbox-container {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.875rem;
  color: var(--gray-300);
  cursor: pointer;
  margin-bottom: 1rem;
  line-height: 1.4;
}

.checkbox-container:last-child {
  margin-bottom: 0;
}

.checkbox-container input[type="checkbox"] {
  display: none;
}

.checkmark {
  width: 18px;
  height: 18px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 4px;
  position: relative;
  transition: all var(--transition-normal);
  flex-shrink: 0;
}

.checkbox-container:hover .checkmark {
  background: var(--glass-hover);
  border-color: var(--primary-purple);
}

.checkbox-container input[type="checkbox"]:checked ~ .checkmark {
  background: var(--gradient-primary);
  border-color: var(--primary-purple);
}

.checkmark::after {
  content: '';
  position: absolute;
  display: none;
  left: 6px;
  top: 3px;
  width: 4px;
  height: 8px;
  border: solid var(--white);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.checkbox-container input[type="checkbox"]:checked ~ .checkmark::after {
  display: block;
}

.checkbox-container a {
  color: var(--primary-purple);
  text-decoration: none;
  transition: color var(--transition-normal);
}

.checkbox-container a:hover {
  color: var(--primary-blue);
  text-decoration: underline;
}

/* Two-Factor Authentication */
.verification-code {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  margin: 1rem 0;
}

.code-input {
  width: 48px !important;
  height: 56px;
  text-align: center;
  font-size: 1.25rem;
  font-weight: 600;
  border-radius: 8px !important;
  padding: 0 !important;
}