.input {
  width: 100%;
  border-radius: 0.75rem;
  border: 1px solid #cbd5e1; /* slate-300 */
  padding: 0.5rem 0.75rem;
  outline: none;
}
.input:focus {
  box-shadow: 0 0 0 3px rgba(59,130,246,.4); /* blue-500 ring */
  border-color: #60a5fa; /* blue-400 */
}

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 0.75rem; padding: 0.5rem 1rem;
  font-weight: 600; background: #2563eb; color: #fff; transition: background .2s, transform .05s;
}
.btn:hover { background: #1d4ed8; }
.btn:active { transform: scale(.99); }

.btn-outline {
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 0.75rem; padding: 0.5rem 1rem;
  font-weight: 600; border: 1px solid #cbd5e1; color: #334155; background: #fff;
}
.btn-outline:hover { background: #f1f5f9; }

.card {
  background: #fff; border-radius: 1rem; box-shadow: 0 10px 25px rgba(0,0,0,.06); padding: 1rem;
}

.modal {
  position: fixed; inset: 0; display: grid; place-items: center; background: rgba(2, 6, 23, 0.6);
}
.modal-content {
  width: 100%; max-width: 480px;
  background: white; border-radius: 1rem; padding: 1rem;
  box-shadow: 0 10px 30px rgba(0,0,0,.15);
}
.hidden { display: none; }