* {
  box-sizing: border-box;
}

/* ================= BODY / BACKGROUND ================= */
body {
  margin: 0;
  font-family: "Gaegu", sans-serif;
  background-image: url("https://i.pinimg.com/originals/ff/22/36/ff2236e2a40e5102820ea2e02ca53e35.gif");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;

  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

/* ================= CONTAINER ================= */
.container {
  width: 460px;
  text-align: center;
}

/* ================= TITLE ================= */
h1 {
  font-family: "Gluten", cursive;
  font-size: 52px;
  font-weight: 800;
  color: #f6ddb7;
  text-align: center;
  letter-spacing: 2px;
  line-height: 1.1;
  margin-bottom: 6px;
  white-space: nowrap;
  display: inline-block;

  /* straight pastel shadow */
  text-shadow:
    2px 2px 0 #caa67a,
    4px 4px 6px rgba(0, 0, 0, 0.35);

  /* float animation */
  animation: titleFloat 3s ease-in-out infinite;
}

/* FLOAT KEYFRAMES */
@keyframes titleFloat {
  0%   { transform: translateY(0); }
  50%  { transform: translateY(-6px); }
  100% { transform: translateY(0); }
}

/* ================= SUBTITLE ================= */
.subtitle {
  font-family: "Gaegu", sans-serif;
  font-size: 20px;
  color: #f6ddb7;
  letter-spacing: 1px;
  margin-bottom: 25px;
  text-align: center;

  text-shadow:
    1px 1px 0 #caa67a,
    2px 2px 6px rgba(0, 0, 0, 0.35);
}

/* ================= GLASS CARD ================= */
.card {
  background: rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);

  border-radius: 18px;
  padding: 25px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.2);
  border: 1px solid rgba(255,255,255,0.35);
}

/* ================= LABELS ================= */
label {
  display: block;
  text-align: left;
  font-size: 14px;
  color: #ffffff;
  margin-top: 12px;
  margin-bottom: 5px;
}

/* ================= INPUT & SELECT ================= */
input,
select {
  width: 100%;
  padding: 12px;
  border-radius: 12px;
  border: none;
  outline: none;

  font-size: 14px;
  background: rgba(255,255,255,0.85);
  color: #555;
  font-family: "Gaegu", sans-serif;
}

/* ================= BUTTON ================= */
button {
  margin-top: 20px;
  width: 100%;
  padding: 12px;

  background: #f2b6a6;
  color: white;
  border: none;
  border-radius: 14px;

  font-size: 16px;
  cursor: pointer;
  font-family: "Gaegu", sans-serif;

  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
  transition: all 0.3s ease;
}

button:hover {
  background: #e89f8d;
  transform: translateY(-2px);
}

/* ================= RESULT MESSAGE ================= */
#result {
  margin-top: 15px;
  font-size: 14px;
  text-align: center;
}

/* ================= REMINDER BOX ================= */
.reminder {
  margin-top: 20px;
  background: rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(10px);

  border-radius: 16px;
  padding: 15px;
  color: #fff;

  box-shadow: 0 6px 20px rgba(0,0,0,0.15);
}

.reminder h3 {
  margin-top: 0;
  font-size: 16px;
}

.reminder ul {
  padding-left: 0;
  list-style: none;
  font-size: 14px;
}

.reminder li {
  margin-bottom: 6px;
}