/* register.css */
:root {
  --primary-color: #1890ff;
  --secondary-color: #722ed1;
  --text-color: #333;
  --text-light: #666;
  --border-color: #e0e0e0;
  --bg-color: #fff;
  --card-bg: #fff;
  --error-color: #ff4d4f;
  --success-color: #52c41a;
  --warning-color: #faad14;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s ease;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--text-color);
  background-color: var(--bg-color);
  line-height: 1.5;
}

.register-container {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: calc(100vh - 120px);
  padding: 2rem 1rem;
}

.register-card {
  width: 100%;
  max-width: 480px;
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 2.5rem;
  transition: var(--transition);
}

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

.register-header h1 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.register-header p {
  color: var(--text-light);
  font-size: 1rem;
}

.register-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-color);
}

.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.input-wrapper i {
  position: absolute;
  left: 0.875rem;
  color: var(--text-light);
  font-size: 1rem;
}

.input-wrapper input {
  width: 100%;
  padding: 0.75rem 1rem 0.75rem 2.5rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  transition: var(--transition);
}

.input-wrapper input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px rgba(24, 144, 255, 0.2);
}

.password-strength {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.25rem;
}

.strength-bar {
  flex: 1;
  height: 4px;
  background-color: #f0f0f0;
  border-radius: 2px;
  transition: var(--transition);
}

.strength-text {
  font-size: 0.75rem;
  color: var(--text-light);
}

.terms-group {
  flex-direction: row;
  align-items: center;
  gap: 0.5rem;
  margin: 0.5rem 0;
}

.terms-group input {
  width: auto;
}

.terms-group label {
  font-size: 0.8125rem;
  font-weight: 400;
}

.terms-group a {
  color: var(--primary-color);
  text-decoration: none;
  transition: var(--transition);
}

.terms-group a:hover {
  text-decoration: underline;
}

.register-btn {
  width: 100%;
  padding: 0.875rem;
  background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  margin-top: 0.5rem;
}

.register-btn:hover {
  opacity: 0.9;
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

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

.login-link {
  text-align: center;
  margin-top: 1.5rem;
  font-size: 0.875rem;
}

.login-link a {
  color: var(--primary-color);
  font-weight: 500;
  text-decoration: none;
  transition: var(--transition);
}

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

/* Responsive adjustments */
@media (max-width: 576px) {
  .register-card {
    padding: 1.5rem;
  }
  
  .register-header h1 {
    font-size: 1.5rem;
  }
  
  .input-wrapper input {
    padding: 0.625rem 0.875rem 0.625rem 2.25rem;
  }
}

/* Password strength indicators */
.password-weak .strength-bar:nth-child(1) {
  background-color: var(--error-color);
}

.password-medium .strength-bar:nth-child(-n+2) {
  background-color: var(--warning-color);
}

.password-strong .strength-bar {
  background-color: var(--success-color);
}