:root {
  --navy-950: #071e3d;
  --navy-900: #093a70;
  --navy-800: #0f4a8a;
  --gold-500: #b8934a;
  --gold-400: #cba86a;
  --font-sans: "Pretendard", "Apple SD Gothic Neo", "Malgun Gothic", ui-sans-serif, system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--navy-950);
  background: #fff;
  word-break: keep-all;
  overflow-wrap: break-word;
  line-height: 1.6;
}

a {
  color: inherit;
}

header.board-header {
  border-bottom: 1px solid rgba(9, 58, 112, 0.1);
  padding: 16px 24px;
}

header.board-header .inner {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

header.board-header .brand {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--navy-900);
  text-decoration: none;
}

header.board-header nav a {
  margin-left: 20px;
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(7, 30, 61, 0.7);
  text-decoration: none;
}

header.board-header nav a:hover {
  color: var(--navy-900);
}

main.board-main {
  max-width: 960px;
  margin: 0 auto;
  padding: 40px 24px 80px;
}

.board-eyebrow {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold-500);
  margin: 0 0 8px;
}

.board-title {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--navy-900);
  margin: 0 0 8px;
}

.board-desc {
  color: rgba(7, 30, 61, 0.6);
  font-size: 0.95rem;
  margin: 0 0 32px;
}

.board-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid rgba(9, 58, 112, 0.1);
}

.board-list li {
  border-bottom: 1px solid rgba(9, 58, 112, 0.1);
}

.board-list a {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
  padding: 18px 4px;
  text-decoration: none;
}

.board-list .category {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--navy-900);
  background: rgba(9, 58, 112, 0.08);
  border-radius: 999px;
  padding: 3px 10px;
}

.board-list .item-title {
  font-weight: 600;
  color: var(--navy-950);
  flex: 1 1 auto;
}

.board-list .date {
  font-size: 0.8rem;
  color: rgba(7, 30, 61, 0.4);
}

.board-empty {
  padding: 60px 0;
  text-align: center;
  color: rgba(7, 30, 61, 0.5);
  font-size: 0.9rem;
}

.board-meta {
  display: flex;
  gap: 12px;
  align-items: center;
  font-size: 0.85rem;
  color: rgba(7, 30, 61, 0.5);
  margin-bottom: 24px;
}

.board-body {
  white-space: pre-wrap;
  font-size: 0.95rem;
  line-height: 1.8;
  color: rgba(7, 30, 61, 0.85);
}

.board-attachment {
  margin-top: 32px;
  padding: 16px 20px;
  border: 1px solid rgba(9, 58, 112, 0.15);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.board-btn {
  display: inline-block;
  border-radius: 6px;
  padding: 10px 20px;
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: none;
}

.board-btn-primary {
  background: var(--navy-900);
  color: #fff;
}

.board-btn-primary:hover {
  background: var(--navy-800);
}

.board-btn-gold {
  background: var(--gold-500);
  color: var(--navy-950);
}

.board-btn-gold:hover {
  background: var(--gold-400);
}

.board-back {
  display: inline-block;
  margin-bottom: 20px;
  font-size: 0.85rem;
  color: rgba(7, 30, 61, 0.5);
  text-decoration: none;
}

.board-back:hover {
  color: var(--navy-900);
}

.board-actions {
  margin-top: 40px;
  display: flex;
  justify-content: flex-end;
}

form.board-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 640px;
}

form.board-form label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--navy-900);
  margin-bottom: 6px;
}

form.board-form input[type="text"],
form.board-form select,
form.board-form textarea,
form.board-form input[type="file"] {
  width: 100%;
  border: 1px solid rgba(9, 58, 112, 0.2);
  border-radius: 6px;
  padding: 10px 14px;
  font-size: 0.9rem;
  font-family: inherit;
}

form.board-form textarea {
  resize: vertical;
}

.board-error {
  background: rgba(220, 38, 38, 0.08);
  border: 1px solid rgba(220, 38, 38, 0.3);
  color: #b91c1c;
  border-radius: 6px;
  padding: 10px 14px;
  font-size: 0.85rem;
}

footer.board-footer {
  border-top: 1px solid rgba(9, 58, 112, 0.1);
  padding: 24px;
  text-align: center;
  font-size: 0.75rem;
  color: rgba(7, 30, 61, 0.4);
}