:root {
  --primary: #0077b6;
  --primary-dark: #005a8c;
  --secondary: #5c6370;
  --secondary-dark: #4b5563;
  --bg: #f5f7fa;
  --card-bg: #ffffff;
  --text: #333333;
  --text-light: #595959;
  --border: #e0e0e0;
  --success: #2e7d32;
  --error: #c62828;
  --radius: 8px;
}

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

body {
  font-family:
    -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.6;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  padding: 20px;
}

.container {
  width: 100%;
  max-width: 480px;
  text-align: center;
}

header h1 {
  color: var(--primary);
  margin-bottom: 0.5rem;
}

header p {
  color: var(--text-light);
  margin-bottom: 2rem;
}

.eu-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0 1rem;
  background-color: #039;
  border: 1px solid #002970;
  border-radius: 20px;
  font-size: 0.95rem;
  font-weight: 500;
  color: #fc0;
  margin-top: 0.25rem;
  margin-bottom: 1.5rem;
}

.eu-stars {
  height: 2.5rem;
  width: 2.5rem;
  flex-shrink: 0;
}

.beta-badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  background-color: #ff9800;
  color: white;
  border-radius: 12px;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  margin-left: 0.5rem;
  vertical-align: middle;
}

.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  padding: 2rem;
  margin-bottom: 1rem;
  transition: transform 0.2s ease;
}

.hidden {
  display: none !important;
}

/* Tabs */
.tabs {
  display: flex;
  margin-bottom: 1.5rem;
  border-bottom: 2px solid var(--border);
}

.tab-btn {
  flex: 1;
  background: none;
  border: none;
  padding: 0.75rem;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-light);
  transition: color 0.2s;
}

.tab-btn.active {
  color: var(--primary);
  border-bottom: 2px solid var(--primary);
  margin-bottom: -2px;
}

/* Forms */
.auth-form {
  display: none;
  text-align: left;
}

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

.form-group {
  margin-bottom: 1.25rem;
}

label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  font-size: 0.9rem;
}

input {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 1rem;
  transition: border-color 0.2s;
}

input:focus {
  outline: none;
  border-color: var(--primary);
}

small {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.8rem;
  color: var(--text-light);
}

a {
  color: var(--primary);
}

a:visited {
  color: var(--primary);
}

a:hover {
  color: var(--primary-dark);
}

/* Buttons */
.btn {
  width: 100%;
  padding: 0.75rem;
  border: none;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition:
    background 0.2s,
    transform 0.1s;
}

.btn:active {
  transform: scale(0.98);
}

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

.btn.primary:hover {
  background-color: var(--primary-dark);
}

.btn.secondary {
  background-color: var(--secondary);
  color: white;
}

.btn.secondary:hover {
  background-color: var(--secondary-dark);
}

.btn.text-only {
  background: none;
  color: var(--text-light);
  margin-top: 1rem;
  font-weight: normal;
  font-size: 0.9rem;
}

.btn.text-only:hover {
  color: var(--text);
  text-decoration: underline;
}

.btn.danger {
  color: var(--error);
}

.btn.danger:hover {
  color: #9a1f1f;
}

/* Token Display */
.success-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.token-box {
  margin: 1.5rem 0;
}

#token-area {
  width: 100%;
  height: 100px;
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  font-family: monospace;
  font-size: 0.9rem;
  resize: none;
  margin-bottom: 0.5rem;
  color: var(--text);
}

/* Instructions */
.instructions {
  text-align: left;
  margin: 1rem 0;
  padding: 0.75rem;
  background-color: var(--bg);
  border-radius: var(--radius);
  font-size: 0.9rem;
}

.instructions summary {
  cursor: pointer;
  font-weight: 500;
  color: var(--primary);
}

.instructions ol {
  margin: 0.75rem 0 0 1.25rem;
  color: var(--text-light);
}

.instructions li {
  margin-bottom: 0.25rem;
}

.warning-box {
  background-color: #fff3cd;
  border: 1px solid #ffeeba;
  color: #6d5200;
  padding: 0.75rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
}

/* Action Buttons */
.action-buttons {
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.btn.success {
  background-color: var(--success);
}

/* Messages */
#message-area {
  padding: 1rem;
  border-radius: var(--radius);
  margin-top: 1rem;
  font-weight: 500;
}

.msg-error {
  background-color: #ffebee;
  color: var(--error);
  border: 1px solid #ffcdd2;
}

.msg-success {
  background-color: #e8f5e9;
  color: var(--success);
  border: 1px solid #c8e6c9;
}

/* Divider */
.divider {
  display: flex;
  align-items: center;
  margin: 1rem 0;
  color: var(--text-light);
  font-size: 0.85rem;
}

.divider::before,
.divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background-color: var(--border);
}

.divider span {
  padding: 0 0.75rem;
}

/* Text Links Row */
.text-links {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 0.5rem;
}

.text-links .btn.text-only {
  margin-top: 0;
}

/* Footer */
footer {
  margin-top: 2rem;
  font-size: 0.8rem;
  color: var(--text-light);
}

/* Settings Sections */
.settings-section {
  text-align: left;
  margin-bottom: 1.5rem;
}

.settings-section h3 {
  margin-bottom: 0.5rem;
  font-size: 1.1rem;
}

.settings-section p {
  color: var(--text-light);
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.settings-section .btn {
  width: auto;
  padding: 0.5rem 1rem;
}

.danger-zone {
  padding-top: 1rem;
}

.danger-zone h3 {
  color: var(--error);
}

#account-settings hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 1.5rem 0;
}

#account-settings h2 {
  margin-bottom: 1.5rem;
}

/* Danger button (solid) */
.btn.danger {
  background-color: var(--error);
  color: white;
}

.btn.danger:hover {
  background-color: #9a1f1f;
  color: white;
}

/* Dark Mode */
@media (prefers-color-scheme: dark) {
  :root {
    --primary: #4db8e8;
    --primary-dark: #0099cc;
    --secondary: #a3a3a3;
    --secondary-dark: #8b95a5;
    --bg: #1a1a1a;
    --card-bg: #2d2d2d;
    --text: #e5e5e5;
    --text-light: #a3a3a3;
    --border: #404040;
    --success: #66bb6a;
    --error: #ef5350;
  }

  .card {
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
  }

  input {
    background-color: var(--bg);
    color: var(--text);
  }

  /* Buttons need darker backgrounds for white text contrast */
  .btn.primary {
    background-color: #0077b6;
  }

  .btn.primary:hover {
    background-color: #005a8c;
  }

  .btn.secondary {
    background-color: #5c6370;
  }

  .btn.secondary:hover {
    background-color: #4b5563;
  }

  .btn.success {
    background-color: #2e7d32;
  }

  .warning-box {
    background-color: #4a3f00;
    border-color: #6d5a00;
    color: #ffd54f;
  }

  .msg-error {
    background-color: #3d1b1b;
    color: #ef9a9a;
    border-color: #5c2b2b;
  }

  .msg-success {
    background-color: #1b3d1f;
    color: #81c784;
    border-color: #2b5c30;
  }

  .btn.danger {
    background-color: #c62828;
  }

  .btn.danger:hover {
    background-color: #9a1f1f;
  }

  .danger-zone h3 {
    color: #f77;
  }

  .eu-badge {
    background-color: #039;
    border-color: #002970;
    color: #fc0;
  }

  .beta-badge {
    background-color: #ffa726;
    color: #1a1a1a;
  }
}