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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #f0f4f8, #d9e4f5);
    color: #1c1c1c;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 2rem;
    min-height: 100vh;
}

header {
  margin-bottom: 2rem;
}

header h1 {
  font-size: 2rem;
  color: #ff6f61;
  letter-spacing: 1px;
}

main{
    width: 90%;
    max-width: 600px;
    background-color: #ffffff;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.hidden {
  display: none;
}

.info-box {
  background-color: #ffe0b2;
  border-left: 4px solid #ff6f61;
  padding: 1rem;
  border-radius: 8px;
  font-size: 1rem;
  color: #4a4a4a;
  box-shadow: 0 2px 8px rgba(255, 111, 97, 0.1);
  margin-bottom: 1rem;
}

.main-form-btns {
  display: flex;
  justify-content: flex-start;
  gap: 1rem;
  margin-top: 1rem;
}

input[type="text"],
input[type="url"] {
  background-color: #fff3e0;
  border: 1px solid #ffcc80;
  color: #333333;
  border-radius: 8px;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  transition: border-color 0.3s ease, background-color 0.3s ease;
}

input[type="text"]:focus,
input[type="url"]:focus {
  border-color: #ff6f61;
  outline: none;
}

input[type="text"]::placeholder,
input[type="url"]::placeholder {
  color: #a1a1a1;
}

label {
  font-size: 1rem;
  color: #333333;
}

button {
  background-color: #ff6f61;
  color: #ffffff;
  border: none;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  font-size: 1rem;
  cursor: pointer;
  transition: background-color 0.3s ease, transform 0.2s ease;
  box-shadow: 0 4px 12px rgba(255, 111, 97, 0.3);
}

button:hover {
  background-color: #ff4f3f;
  transform: scale(1.05);
}

.bookmark-item {
  position: relative;
  background-color: #fff9f4;
  padding: 1rem;
  border-radius: 8px;
  margin-bottom: 1rem;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.bk-name,
.tags,
.view-btns {
  margin-bottom: 0.5rem;
}

.view-btns button {
  background-color: #4db6ac;
}

.view-btns button:hover {
  background-color: #009688;
  transform: scale(1.05);
}

@media (max-width: 480px) {
  .main-form-btns {
    flex-direction: column;
    align-items: center;
  }
}