* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: "Pretendard", Arial, sans-serif;
}
body {
  background: #f4f7fb;
  color: #0f172a;
  min-height: 100vh;
}
header {
  height: 86px;
  background: white;
  border-bottom: 1px solid #e2e8f0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 36px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: inherit;
}
.logo img {
  width: 56px;
}
.logo h2 {
  font-size: 26px;
}
.logo p {
  font-size: 13px;
  color: #64748b;
}
.btn {
  border: none;
  border-radius: 14px;
  padding: 13px 20px;
  font-weight: 800;
  cursor: pointer;
}
.primary {
  background: #2563eb;
  color: white;
}
.plain {
  background: white;
  border: 1px solid #cbd5e1;
}
.danger {
  background: #fee2e2;
  color: #991b1b;
}
.container {
  width: 92%;
  max-width: 1180px;
  margin: 34px auto;
}
.hero {
  background: linear-gradient(135deg, #dcfce7, #e0f2fe);
  border-radius: 28px;
  padding: 38px;
  margin-bottom: 24px;
}
.hero h1 {
  font-size: 42px;
  margin-bottom: 10px;
}
.hero span {
  color: #16a34a;
}
.hero p {
  color: #475569;
  line-height: 1.7;
}
.panel {
  background: white;
  border: 1px solid #dbe3ef;
  border-radius: 24px;
  padding: 26px;
  margin-bottom: 22px;
}
.form {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 12px;
}
.form input {
  border: 1px solid #cbd5e1;
  border-radius: 14px;
  padding: 15px;
  font-size: 15px;
}
.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.card {
  background: white;
  border: 1px solid #dbe3ef;
  border-radius: 22px;
  padding: 22px;
}
.card h3 {
  font-size: 22px;
  margin-bottom: 10px;
}
.meta {
  color: #64748b;
  line-height: 1.7;
}
.bar {
  height: 9px;
  background: #dbeafe;
  border-radius: 999px;
  margin-top: 16px;
  overflow: hidden;
}
.fill {
  height: 100%;
  background: #2563eb;
}
.empty {
  text-align: center;
  color: #64748b;
  padding: 45px;
  background: white;
  border: 1px dashed #cbd5e1;
  border-radius: 20px;
}
@media (max-width: 900px) {
  .form,
  .grid {
    grid-template-columns: 1fr;
  }
  header {
    height: auto;
    padding: 18px;
    gap: 14px;
    flex-direction: column;
    align-items: flex-start;
  }
}