body {
  font-family: 'Segoe UI', sans-serif;
  background: radial-gradient(circle at center, #1a1c2e 0%, #111321 100%);
  color: #f1f1f1;
  margin: 0;
  padding: 0;
}
.container {
  max-width: 640px;
  margin: 60px auto;
  background: rgba(35, 38, 58, 0.95);
  border-radius: 16px;
  padding: 2.4em;
  box-shadow: 0 0 40px rgba(0,0,0,0.4);
  backdrop-filter: blur(10px);
}
h1 {
  text-align: center;
  font-size: 1.9em;
  margin-bottom: 1.2em;
  color: #5ecfff;
}
form {
  display: flex;
  flex-direction: column;
  gap: 1.4em;
}
.field {
  display: flex;
  flex-direction: column;
}
.field label {
  font-weight: 600;
  margin-bottom: 0.3em;
}
.field input,
.field select,
.field textarea {
  background: #2c2e44;
  border: 1px solid #444;
  border-radius: 8px;
  padding: 0.9em 1em;
  font-size: 1em;
  color: #f1f1f1;
  transition: border-color 0.3s, background-color 0.3s;
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: #5ecfff;
  outline: none;
}
textarea {
  resize: vertical;
  min-height: 90px;
}
button[type="submit"] {
  margin-top: 1em;
  background: linear-gradient(90deg, #2dd7ff 0%, #2876fe 100%);
  border: none;
  padding: 0.9em 1em;
  font-size: 1.1em;
  border-radius: 10px;
  color: #fff;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.3s;
}
button[type="submit"]:hover {
  background: linear-gradient(90deg, #27b2d0 0%, #2055ae 100%);
}
.loader {
  border: 4px solid #23263a;
  border-top: 4px solid #5ecfff;
  border-radius: 50%;
  width: 32px;
  height: 32px;
  animation: spin 1s linear infinite;
  margin: auto;
}
@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}
.hidden {
  display: none;
}
.ia-block {
  background: #1e2236;
  border-left: 5px solid #5ecfff;
  padding: 1.2em 1.4em;
  border-radius: 6px;
  margin-top: 1.5em;
  box-shadow: 0 0 6px #00000040;
  opacity: 0;
  transform: translateY(10px);
  animation: fadeIn 0.6s ease-out forwards;
}
@keyframes fadeIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.banner {
  padding: 1em;
  text-align: center;
  font-weight: bold;
  border-radius: 8px;
  margin: 1em 0;
  font-size: 1.1em;
}
.banner.buy {
  background-color: #1b3f2c;
  color: #3aff9c;
}
.banner.sell {
  background-color: #3f1b1b;
  color: #ff6b6b;
}
.banner.hold {
  background-color: #3f3f1b;
  color: #fff176;
}
.banner.neutral {
  background-color: #2a2d40;
  color: #a0a0a0;
}
footer {
  text-align: center;
  font-size: 0.9em;
  margin-top: 3em;
  color: #888;
}
footer a {
  color: #5ecfff;
}