:root {
  --primary: #2563eb;
  --success: #16a34a;
  --danger: #ef4444;
  --bg-light: #e0f2fe; /* light blue */
  --card: #ffffff;
  --text: #111827;
  --muted: #f1f5f9;
}

* {
  box-sizing: border-box;
}

body {
  font-family: "Segoe UI", system-ui, sans-serif;
  margin: 0;
  padding: 0 20px;
  color: var(--text);

  /* BLUE GRADIENT BACKGROUND */
  background: linear-gradient(to bottom, #3b82f6, #60a5fa);
  min-height: 100vh;
}

/* CENTER SCREEN FOR LANDING */
.center-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
  text-align: center;
}

.hidden {
  display: none;
}

h1 {
  font-size: 2.5rem;
  margin-bottom: 15px;
  color: white;
}

p {
  font-size: 1.1rem;
  color: #e0f2fe; /* light text for contrast */
  max-width: 400px;
  margin-bottom: 25px;
}

/* BUTTONS */
button {
  padding: 14px 20px;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: 12px;
  background: var(--primary);
  color: white;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

button:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 12px rgba(37,99,235,0.35);
}

/* REMOVE BUTTON */
.removeBtn {
  background: var(--danger);
  color: white;
  padding: 6px 12px;
  font-size: 0.9rem;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  margin-top: 6px;
}

.removeBtn:hover {
  background: #b91c1c;
}

/* TAKEN BUTTON */
.takenBtn {
  background: var(--success);
  margin-top: 10px;
}

.takenBtn:hover {
  box-shadow: 0 6px 12px rgba(22,163,74,0.35);
}

/* CARDS */
.card {
  background: var(--card);
  max-width: 440px;
  margin: 20px auto;
  padding: 22px;
  border-radius: 16px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.07);
  text-align: left;
}

.card h2 {
  margin-top: 0;
  font-size: 1.3rem;
  margin-bottom: 12px;
}

/* TAKE NOW CARD */
.highlight {
  border-left: 6px solid var(--success);
  background: #dbeafe; /* soft blue for Take Now */
}

/* INPUTS */
input {
  width: 100%;
  padding: 12px;
  margin-top: 10px;
  border-radius: 10px;
  border: 1px solid #60a5fa;
  font-size: 1rem;
}

input:focus {
  outline: none;
  border-color: var(--primary);
}

/* LIST */
ul {
  padding: 0;
}

li {
  list-style: none;
  background: #bfdbfe;
  margin: 10px 0;
  padding: 14px;
  border-radius: 12px;
  font-size: 1rem;
  line-height: 1.5;
}

/* TAKE NOW TEXT */
#takeNow {
  font-size: 1.1rem;
  line-height: 1.6;
}

/* MOBILE */
@media (max-width: 480px) {
  h1 {
    font-size: 2rem;
  }

  .card {
    margin: 16px;
  }
}