:root {
    --admin-primary: #3498db;
    --admin-success: #2ecc71;
    --admin-danger: #e74c3c;
    --admin-light-gray: #f4f6f9;
    --admin-dark-gray: #4a4a4a;
    --admin-border-color: #dcdcdc;
}
body { margin: 0; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif; background-color: var(--admin-light-gray); color: var(--admin-dark-gray); }
.admin-container { display: flex; height: 100vh; }
.admin-sidebar { width: 240px; background-color: white; padding: 20px; border-right: 1px solid var(--admin-border-color); flex-shrink: 0; display: flex; flex-direction: column; }
.admin-sidebar h2 { margin: 0 0 30px 0; color: var(--admin-primary); text-align: center; }
.admin-sidebar nav { flex-grow: 1; }
.admin-sidebar nav ul { list-style: none; padding: 0; margin: 0; }
.admin-sidebar nav a { text-decoration: none; color: var(--admin-dark-gray); display: block; padding: 12px 15px; border-radius: 6px; transition: background-color 0.2s, color 0.2s; }
.admin-sidebar nav a:hover { background-color: #ecf0f1; }
.admin-sidebar nav a.active { background-color: var(--admin-primary); color: white; font-weight: bold; }
#logout-btn { width: 100%; margin-top: 20px; }

.admin-main { flex-grow: 1; padding: 30px; overflow-y: auto; }
.admin-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 30px; padding-bottom: 20px; border-bottom: 1px solid var(--admin-border-color); }
.admin-header h1 { margin: 0; font-size: 24px; }
.admin-header div { display: flex; gap: 10px; }

.btn { padding: 10px 20px; border: none; border-radius: 5px; cursor: pointer; font-weight: bold; font-size: 14px; transition: opacity 0.2s; }
.btn:hover { opacity: 0.85; }
.btn-primary { background-color: var(--admin-primary); color: white; }
.btn-danger { background-color: var(--admin-danger); color: white; }
.btn-small { padding: 5px 10px; font-size: 12px; }

.content-section { background-color: white; padding: 30px; border-radius: 8px; box-shadow: 0 2px 4px rgba(0,0,0,0.05); }
.content-section h2 { margin: 0 0 25px 0; border-bottom: 1px solid var(--admin-border-color); padding-bottom: 15px; }

form .form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 25px; }
form .form-group { display: flex; flex-direction: column; }
form .form-group-span-2 { grid-column: span 2; }
form label { font-weight: 600; margin-bottom: 8px; font-size: 14px; }
form input, form select, form textarea {
    padding: 12px; border: 1px solid var(--admin-border-color); border-radius: 5px; font-size: 15px; box-sizing: border-box; width: 100%; transition: border-color 0.2s;
}
form input:focus, form select:focus, form textarea:focus { border-color: var(--admin-primary); outline: none; }
form select[multiple] { height: 150px; }
form input[readonly] { background-color: #eee; cursor: not-allowed; }
.checkbox-wrapper { display: flex; flex-direction: row; align-items: center; justify-content: flex-start; padding-top: 10px; }
.checkbox-wrapper input[type="checkbox"] { width: 20px; height: 20px; margin-right: 10px; }
.checkbox-wrapper span { font-weight: normal; }

.form-section { margin-top: 30px; border-top: 1px solid #e9ecef; padding-top: 25px; }
.form-section h3 { margin: 0 0 20px 0; }

.form-actions { margin-top: 30px; border-top: 1px solid var(--admin-border-color); padding-top: 25px; display: flex; gap: 10px; justify-content: flex-end; }

.admin-tab-content { display: none; }
.admin-tab-content.active { display: block; }

.login-container { display: flex; justify-content: center; align-items: center; height: 100vh; }
.login-box { background: white; padding: 40px; border-radius: 8px; box-shadow: 0 4px 10px rgba(0,0,0,0.1); width: 100%; max-width: 400px; }
.login-box h2 { text-align: center; margin-bottom: 30px; color: var(--admin-primary); }
.error-message { color: var(--admin-danger); height: 20px; text-align: center; font-size: 14px; }
.login-box .btn { width: 100%; }

/* --- 게시물 관리 탭 스타일 --- */
.draft-category { margin-bottom: 25px; border: 1px solid #e9ecef; border-radius: 8px; padding: 20px; background: #fff; }
.draft-category h3 { margin: -20px -20px 15px -20px; padding: 15px 20px; border-bottom: 1px solid #f1f3f5; color: var(--admin-primary); background-color: #f8f9fa; border-radius: 8px 8px 0 0; }
.draft-list { display: flex; flex-direction: column; gap: 12px; }
.draft-item { display: flex; align-items: center; gap: 10px; padding: 10px; border-radius: 5px; background-color: #f8f9fa; cursor: pointer; transition: background-color 0.2s; }
.draft-item:hover { background-color: #f1f3f5; }
.draft-item input[type="checkbox"] { width: 16px; height: 16px; flex-shrink: 0; }
.draft-item-name { font-weight: 500; flex-grow: 1; }
.draft-item-id { font-size: 12px; color: #868e96; background-color: #e9ecef; padding: 2px 6px; border-radius: 4px; }

/* admin.css 파일 맨 아래에 이 코드를 추가하세요 */

.checkbox-group label {
    display: flex;
    align-items: center; /* 세로 중앙 정렬 */
    gap: 8px; /* 체크박스와 글자 사이 간격 */
    flex-basis: 200px; /* 각 항목의 가로 너비 확보 */
    flex-grow: 0;
}

.checkbox-group label input[type="checkbox"] {
    width: auto;
    margin-right: 0;
}

/* admin.css 파일 맨 아래에 이 코드를 추가하세요 */

.form-section h3 .btn-small {
    margin-left: 10px;
}

#skills-container .skill-entry {
    border: 1px solid #e0e0e0;
    border-radius: 6px;
    padding: 15px;
    margin-bottom: 15px;
    background: #fdfdfd;
}

#skills-container .skill-main-inputs {
    display: grid;
    grid-template-columns: 1fr auto auto; /* 이름 입력창이 남은 공간을 모두 차지하도록 수정 */
    gap: 10px;
    align-items: center;
    margin-bottom: 15px;
}

#skills-container .skill-desc {
    width: 100%;
    resize: vertical;
    min-height: 60px;
    box-sizing: border-box; /* 너비 계산이 어긋나지 않도록 추가 */
}

#skills-container .skill-keywords-header {
    font-weight: bold;
    font-size: 13px;
    margin: 15px 0 10px;
    color: #555;
    display: flex;
    align-items: center;
}

#skills-container .keyword-entry {
    display: grid;
    grid-template-columns: 1fr 2fr auto;
    gap: 10px;
    align-items: center;
    margin-bottom: 10px;
}

#skills-container .keyword-entry textarea {
    min-height: 40px;
    resize: vertical;
}

.btn-small.add-keyword {
    background-color: #9b59b6; /* 보라색 버튼 */
}

/* admin.css 파일 맨 아래에 이 코드를 추가하세요 */

.publish-actions {
    display: flex;
    justify-content: space-between; /* 양쪽 끝으로 정렬 */
    align-items: center; /* 세로 중앙 정렬 */
    padding: 15px 20px;
    background-color: #f8f9fa; /* 밝은 회색 배경 */
    border: 1px solid #e9ecef; /* 옅은 테두리 */
    border-radius: 8px; /* 둥근 모서리 */
    margin: 10px 0 20px 0; /* 위아래 여백 */
}

.select-all-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
    color: #495057;
    cursor: pointer;
}

.select-all-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
}

/* ▼▼▼ [미션 1] 룬/칩 개수 입력 UI 스타일 추가 ▼▼▼ */
.recommend-item-adder {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px dashed var(--admin-border-color);
}
.adder-controls {
    display: flex;
    gap: 10px;
    margin-bottom: 10px;
}
.adder-controls select {
    flex-grow: 1;
}
.recommend-item-container {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 10px;
    background-color: var(--admin-light-gray);
    border-radius: 5px;
    min-height: 50px;
}
.recommend-item-entry {
    display: grid;
    grid-template-columns: 1fr 80px auto;
    gap: 10px;
    align-items: center;
    background-color: white;
    padding: 8px 12px;
    border-radius: 4px;
    border: 1px solid var(--admin-border-color);
}
.recommend-item-entry .item-name {
    font-weight: 500;
}
.recommend-item-entry .item-count {
    text-align: center;
    padding: 8px;
}
/* ▲▲▲ [미션 1] 룬/칩 개수 입력 UI 스타일 추가 ▲▲▲ */
.error-message { min-height: 20px; height: auto; }
.login-box > p { text-align: center; font-size: 14px; }
button:disabled { opacity: .55; cursor: wait; }