/* Modern Transparent Aesthetic */
:root {
  --primary: rgba(74, 107, 255, 0.8);
  --primary-solid: #4a6bff;
  --primary-hover: rgba(74, 107, 255, 1);
  --text: rgba(255, 255, 255, 0.9);
  --text-light: rgba(255, 255, 255, 0.7);
  --text-lighter: rgba(255, 255, 255, 0.5);
  --bg: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  --glass: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-highlight: rgba(255, 255, 255, 0.1);
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  --blur: blur(10px);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

body {
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
}

.transparent-container {
  width: 100%;
  max-width: 440px;
}

/* Glass Card */
.glass-card {
  background: var(--glass);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border-radius: 16px;
  border: 1px solid var(--glass-border);
  padding: 40px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

/* Brand Header */
.brand-header {
  text-align: center;
  margin-bottom: 24px;
}

.brand-name {
  font-size: 2.5rem;
  font-weight: 700;
  background: linear-gradient(to right, var(--primary-solid), #6a8eff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 8px;
}

.welcome-text {
  font-size: 1.1rem;
  color: var(--text-light);
  font-weight: 400;
}

/* Terms Notice */
.terms-notice {
  font-size: 0.75rem;
  color: var(--text-lighter);
  text-align: center;
  margin-bottom: 24px;
  line-height: 1.5;
}

.divider {
  height: 1px;
  background: var(--glass-border);
  margin: 24px 0;
}

/* Section Titles */
.section-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text);
}

.section-subtitle {
  font-size: 0.9rem;
  color: var(--text-light);
  margin-bottom: 24px;
}

/* Form Elements */
.transparent-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.input-label {
  font-size: 0.85rem;
  color: var(--text-light);
  font-weight: 500;
}

.glass-input {
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--glass-border);
  border-radius: 8px;
  padding: 14px 16px;
  font-size: 0.95rem;
  color: var(--text);
  transition: all 0.3s ease;
}

.glass-input:focus {
  outline: none;
  border-color: var(--primary);
  background: rgba(0, 0, 0, 0.3);
  box-shadow: 0 0 0 2px rgba(74, 107, 255, 0.2);
}

/* Form Options */
.form-options {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
}

.option-checkbox {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  color: var(--text-light);
  position: relative;
}

.option-checkbox input {
  opacity: 0;
  position: absolute;
}

.checkmark {
  width: 16px;
  height: 16px;
  border: 1px solid var(--glass-border);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.option-checkbox input:checked ~ .checkmark {
  background: var(--primary);
  border-color: var(--primary);
}

.checkmark:after {
  content: "✓";
  color: white;
  font-size: 10px;
  display: none;
}

.option-checkbox input:checked ~ .checkmark:after {
  display: block;
}

.accent-link {
  color: var(--primary-solid);
  text-decoration: none;
  transition: color 0.2s ease;
}

.accent-link:hover {
  color: var(--text);
}

/* Buttons */
.primary-btn {
  background: var(--primary);
  color: white;
  border: none;
  border-radius: 8px;
  padding: 14px;
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  margin-top: 8px;
}

.primary-btn:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
}

/* Saved Account */
.saved-account {
  text-align: center;
  margin: 24px 0;
  font-size: 0.85rem;
  color: var(--text-light);
}

.saved-email {
  color: var(--primary-solid);
  font-weight: 500;
}

/* Social Divider */
.social-divider {
  display: flex;
  align-items: center;
  margin: 24px 0;
  color: var(--text-lighter);
  font-size: 0.8rem;
}

.social-divider::before,
.social-divider::after {
  content: "";
  flex: 1;
  border-bottom: 1px solid var(--glass-border);
}

.divider-text {
  padding: 0 12px;
}

/* Social Button */
.social-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px;
  border-radius: 8px;
  border: 1px solid var(--glass-border);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
}

.social-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-1px);
}

.facebook-btn {
  color: #1877f2;
}

.social-icon {
  width: 18px;
  height: 18px;
  fill: currentColor;
}