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

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: linear-gradient(135deg, #fdf2f8, #fce7f3);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 2rem;
}

/* CARD */
.card {
  background: #fff;
  width: 100%;
  max-width: 650px;
  border-radius: 24px;
  padding: 2.5rem;
  box-shadow: 0 25px 60px rgba(0,0,0,.15);
}

/* HEADER */
.header {
  text-align: center;
  margin-bottom: 2rem;
}

.header h1 {
  color: #831843;
}

/* FORM */
.form-group {
  margin-bottom: 1.8rem;
}

label {
  font-weight: 600;
  display: block;
  margin-bottom: .4rem;
}

input, select, textarea {
  width: 100%;
  padding: .9rem 1rem;
  border-radius: 14px;
  border: 1px solid #d1d5db;
  font-size: 1rem;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: #ec4899;
  box-shadow: 0 0 0 4px rgba(236,72,153,.2);
}

/* EXPLANATION */
.explanation {
  margin-top: .6rem;
  font-size: .9rem;
  color: #831843;
  background: #fdf2f8;
  padding: .6rem .9rem;
  border-radius: 12px;
  display: none;
}

/* BUTTON */
button {
  width: 100%;
  padding: 1rem;
  font-weight: 700;
  border: none;
  border-radius: 16px;
  background: linear-gradient(135deg, #ec4899, #db2777);
  color: white;
  cursor: pointer;
}

/* MODAL */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.55);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal-content {
  background: white;
  max-width: 520px;
  width: 100%;
  border-radius: 22px;
  padding: 2rem;
  animation: scaleIn .3s ease;
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(.9); }
  to { opacity: 1; transform: scale(1); }
}

.summary {
  background: #fdf2f8;
  padding: 1rem;
  border-radius: 14px;
  margin-bottom: 1.2rem;
}

.backend {
  font-size: .9rem;
  color: #374151;
  line-height: 1.5;
}

.close-btn {
  margin-top: 1.5rem;
  background: #111827;
}