* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  background: #020617;
  color: #e5e7eb;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background: linear-gradient(180deg, #0b1220, #020617);
  z-index: -1;
}

.container {
  max-width: 1400px;
  margin: 40px auto;
  padding: 24px;
}

.card {
  background: #020617;
  border: 1px solid #1e293b;
  border-radius: 14px;
  padding: 24px;
  margin-bottom: 24px;
}

h1 {
  margin: 0 0 24px;
  font-size: 36px;
}

/* ======= FORM LAYOUT (GRID / NO OVERLAP) ======= */

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr auto;
  gap: 20px;
  align-items: end;
}

.field {
  display: flex;
  flex-direction: column;
}

label {
  font-size: 14px;
  color: #94a3b8;
  margin-bottom: 6px;
}

input {
  height: 44px;
  padding: 10px 12px;
  font-size: 15px;
  border-radius: 8px;
  border: 1px solid #334155;
  background: #020617;
  color: #e5e7eb;
}

input:focus {
  outline: none;
  border-color: #3b82f6;
}

button {
  height: 44px;
  padding: 0 26px;
  border-radius: 10px;
  border: none;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  background: #2563eb;
  color: #fff;
  white-space: nowrap;
}

button:hover {
  background: #1d4ed8;
}

/* ======= VIEW / PREVIEW ======= */

pre {
  background: transparent;      /* ❌ 배경 제거 */
  border: none;                  /* ❌ 테두리 제거 */
  padding: 0;                    /* ❌ 중복 패딩 제거 */
  font-size: 13px;
  line-height: 1.6;
  overflow-x: auto;
  color: #e5e7eb;
  margin: 0;
}

ul {
  padding-left: 20px;
}

a {
  color: #60a5fa;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.actions-row {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 26px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  background: #2563eb;
  color: #fff;
  white-space: nowrap;
  text-decoration: none;
}

.btn:hover {
  background: #1d4ed8;
  text-decoration: none;
}

.btn-danger {
  background: #dc2626;
}
.btn-danger:hover {
  background: #b91c1c;
}

.editor {
  width: 100%;
  min-height: 600px;
  background: transparent;
  color: #e5e7eb;
  border: none;
  outline: none;
  resize: vertical;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
  line-height: 1.6;
}