* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Tahoma', 'Segoe UI', sans-serif;
}

body {
  background: linear-gradient(135deg, #0f0c29, #302b63, #24243e);
  color: #fff;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
}

.container {
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(15px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 24px;
  padding: 35px;
  max-width: 650px;
  width: 100%;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
}

h1 {
  font-size: 26px;
  margin-bottom: 8px;
  text-align: center;
}

.subtitle {
  color: #aaa;
  text-align: center;
  margin-bottom: 25px;
  font-size: 14px;
  line-height: 1.6;
}

.target-card {
  background: rgba(0, 136, 204, 0.15);
  border: 1px solid rgba(0, 136, 204, 0.4);
  border-radius: 16px;
  padding: 18px;
  text-align: center;
  margin-bottom: 20px;
}

.target-label {
  font-size: 12px;
  color: #4fc3f7;
  margin-bottom: 6px;
}

.target-name {
  font-size: 20px;
  font-weight: bold;
  margin-bottom: 6px;
  direction: ltr;
}

.target-link {
  color: #4fc3f7;
  font-size: 12px;
  text-decoration: none;
  direction: ltr;
  display: inline-block;
}

.preview {
  background: rgba(0, 0, 0, 0.35);
  border-radius: 14px;
  padding: 15px;
  margin-bottom: 20px;
}

.preview-header {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: #4fc3f7;
  margin-bottom: 10px;
  direction: ltr;
}

details summary {
  cursor: pointer;
  font-size: 13px;
  color: #aaa;
  padding: 8px 0;
}

details summary:hover {
  color: #fff;
}

pre {
  white-space: pre-wrap;
  word-wrap: break-word;
  font-size: 11px;
  line-height: 1.7;
  color: #ddd;
  background: rgba(0, 0, 0, 0.4);
  padding: 12px;
  border-radius: 8px;
  margin-top: 10px;
  max-height: 300px;
  overflow-y: auto;
  direction: ltr;
  text-align: left;
}

button {
  background: linear-gradient(135deg, #0088cc, #006699);
  color: white;
  border: none;
  padding: 16px 30px;
  font-size: 17px;
  font-weight: bold;
  border-radius: 50px;
  cursor: pointer;
  width: 100%;
  transition: all 0.25s ease;
  box-shadow: 0 8px 20px rgba(0, 136, 204, 0.3);
}

button:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(0, 136, 204, 0.5);
}

button:active {
  transform: translateY(0);
}

button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
}

.note {
  margin-top: 15px;
  font-size: 12px;
  color: #999;
  text-align: center;
  line-height: 1.7;
}

.note.warning {
  color: #ffb74d;
}