/* ============================
   Global Styles
============================ */
* {
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: #f5f7fa;
  padding: 40px;
  color: #333;
  line-height: 1.5;
  margin: 0;
}

/* ============================
   Headings
============================ */
h1, h2 {
  color: #222;
  font-weight: 600;
  margin-bottom: 20px;
}

h1 {
  font-size: 1.8rem;
}

h2 {
  font-size: 1.4rem;
  margin-top: 40px;
}

/* ============================
   Form Layout
============================ */
form {
  background: #fff;
  padding: 25px 25px 30px 25px;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  margin-bottom: 30px;
}

label {
  display: block;
  margin-top: 12px;
  font-weight: 500;
  color: #444;
}

input[type="text"],
input[type="number"] {
  width: 100%;
  padding: 10px;
  margin-top: 6px;
  border: 1px solid #ccc;
  border-radius: 6px;
  font-size: 0.95rem;
  transition: border-color 0.2s ease;
}

input:focus {
  border-color: #007bff;
  outline: none;
}

button {
  margin-top: 20px;
  padding: 12px;
  width: 100%;
  background-color: #007bff;
  color: white;
  border: none;
  border-radius: 6px;
  font-size: 1rem;
  cursor: pointer;
  transition: background-color 0.25s ease;
}

button:hover {
  background-color: #0069d9;
}

/* ============================
   Grid Helpers
============================ */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 10px;
}

.grid-2.tight {
  gap: 8px;
}

hr {
  border: 0;
  border-top: 1px solid #ddd;
  margin: 25px 0;
}

/* ============================
   Results List
============================ */
.results {
  list-style: none;
  padding-left: 0;
  margin-top: 10px;
}

.results li {
  background: #fff;
  border: 1px solid #e0e0e0;
  margin: 10px 0;
  padding: 15px 18px;
  border-radius: 10px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.04);
}

.results li strong {
  font-weight: 600;
  color: #222;
}

.results li a {
  color: #007bff;
  text-decoration: none;
  font-weight: 500;
}

.results li a:hover {
  text-decoration: underline;
}

/* ============================
   Responsive Layout
============================ */
@media (max-width: 700px) {
  body {
    padding: 20px;
  }

  form {
    padding: 20px;
  }

  .grid-2 {
    grid-template-columns: 1fr;
  }
}

/* ============================
   Status / Info Texts
============================ */
.info {
  background: #f0f8ff;
  border-left: 4px solid #007bff;
  padding: 10px 15px;
  border-radius: 8px;
  margin: 10px 0;
  font-size: 0.9rem;
}
.error {
  background: #ffe5e5;
  border-left: 4px solid #e53935;
  padding: 10px 15px;
  border-radius: 8px;
  margin: 10px 0;
  font-size: 0.9rem;
  color: #a00;
}