* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: #f5f7fb;
  color: #1f2937;
  font-family: Arial, "Noto Sans KR", sans-serif;
}

.site-header {
  width: 100%;
  background: #ffffff;
  border-bottom: 1px solid #d9e0ea;
  padding: 24px 32px;
}

.site-header h1 {
  margin: 0;
  font-size: 28px;
  line-height: 1.25;
  color: #111827;
}

.generator-page {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 40px 24px;
}

.workspace-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(420px, 1.05fr);
  gap: 32px;
  align-items: start;
}

.generator-form {
  display: grid;
  gap: 28px;
}

.form-section {
  display: grid;
  gap: 12px;
}

.form-section h2,
.form-section label {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
}

.keyword-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.order-grid {
  display: grid;
  gap: 12px;
}

.content-list {
  display: grid;
  gap: 12px;
}

.result-section {
  position: sticky;
  top: 24px;
  display: grid;
  gap: 12px;
}

.result-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.result-header h2 {
  margin: 0;
  font-size: 15px;
}

#character-count {
  color: #64748b;
  font-size: 14px;
}

.generator-form input,
.generator-form textarea {
  width: 100%;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  background: #ffffff;
  color: #111827;
  font: inherit;
  padding: 14px 16px;
}

.generator-form input:focus,
.generator-form textarea:focus {
  border-color: #2563eb;
  outline: 3px solid rgba(37, 99, 235, 0.14);
}

.generator-form textarea {
  min-height: 120px;
  resize: vertical;
}

#generated-post {
  min-height: calc(100vh - 190px);
  line-height: 1.7;
}

.generate-button {
  justify-self: start;
  border: 0;
  border-radius: 8px;
  background: #2563eb;
  color: #ffffff;
  cursor: pointer;
  font: inherit;
  font-weight: 700;
  padding: 12px 18px;
}

.generate-button:hover {
  background: #1d4ed8;
}

@media (max-width: 640px) {
  .site-header {
    padding: 20px;
  }

  .site-header h1 {
    font-size: 24px;
  }

  .generator-page {
    padding: 28px 16px;
  }

  .workspace-layout {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .result-section {
    position: static;
  }

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

  #generated-post {
    min-height: 320px;
  }

  .generate-button {
    width: 100%;
  }

  .result-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 6px;
  }
}