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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: #0b1120;
  color: #f8fafc;
  line-height: 1.5;
}

.options-container {
  max-width: 720px;
  margin: 40px auto;
  background-color: #1e293b;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  border: 1px solid #334155;
  overflow: hidden;
}

.options-header {
  background-color: #0f172a;
  color: #ffffff;
  padding: 20px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid #334155;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 17px;
  font-weight: 700;
}

.brand-icon {
  width: 24px;
  height: 24px;
  color: #38bdf8;
}

.badge-pro {
  background: linear-gradient(135deg, #06b6d4, #3b82f6);
  color: white;
  font-size: 11px;
  font-weight: 800;
  padding: 2px 6px;
  border-radius: 4px;
}

.link-gallery {
  color: #38bdf8;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
}

.link-gallery:hover {
  text-decoration: underline;
}

.options-body {
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.card {
  border: 1px solid #334155;
  border-radius: 8px;
  padding: 20px;
  background-color: #1e293b;
}

.card h2 {
  font-size: 14px;
  font-weight: 700;
  color: #f8fafc;
  margin-bottom: 14px;
  border-bottom: 1px solid #334155;
  padding-bottom: 8px;
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 14px;
}

.form-row:last-child {
  margin-bottom: 0;
}

.form-row label {
  font-size: 12px;
  font-weight: 600;
  color: #94a3b8;
}

.radio-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 4px;
}

.radio-group label, .checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  color: #cbd5e1;
  cursor: pointer;
}

.text-input, .select-input {
  padding: 8px 12px;
  background-color: #0f172a;
  border: 1px solid #334155;
  border-radius: 6px;
  font-size: 13px;
  color: #f8fafc;
  outline: none;
}

.text-input:focus, .select-input:focus {
  border-color: #38bdf8;
}

.help-text {
  font-size: 11px;
  color: #64748b;
}

code {
  background-color: #0f172a;
  color: #38bdf8;
  padding: 2px 4px;
  border-radius: 4px;
  font-family: monospace;
  font-size: 11px;
  border: 1px solid #334155;
}

.footer-actions {
  display: flex;
  justify-content: flex-end;
  padding-top: 10px;
}

.btn {
  padding: 10px 24px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.15s ease;
}

.btn-primary {
  background: linear-gradient(135deg, #0284c7, #2563eb);
  color: #ffffff;
}

.btn-primary:hover {
  background: linear-gradient(135deg, #0369a1, #1d4ed8);
}

.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background-color: #0f172a;
  color: #f8fafc;
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
  z-index: 1000;
  opacity: 1;
  transition: opacity 0.25s ease;
  border: 1px solid #334155;
}

.toast.hidden {
  opacity: 0;
  pointer-events: none;
}