/**
 * knowledge.css - 지식 관리 화면 전용 컴포넌트
 * 통계 필터, 검색+정렬 툴바, 리스트 행, 빈 상태, 로딩 스켈레톤, 더 보기.
 */

.know-stats {
    display: flex;
    padding: 0.9rem 1.1rem 0;
    gap: 0;
}
.stat {
    flex: 1;
    text-align: center;
    padding: 0 0.8rem 0.55rem;
    border-right: 1px solid var(--border-color);
    border-bottom: 2px solid transparent;
    cursor: pointer;
    transition: opacity 0.15s ease, border-color 0.15s ease;
    background: none;
}
.stat:last-child {
    border-right: none;
}
.stat .num {
    font-size: 1.3rem;
    font-weight: 700;
    font-family: ui-monospace, monospace;
    line-height: 1;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}
.stat .label {
    font-size: 0.66rem;
    color: var(--text-secondary);
    margin-top: 0.3rem;
}
.stat.schedule .num { color: var(--cat-schedule); }
.stat.general .num { color: var(--cat-general); }

/* 선택된 필터만 밑줄 강조 + 라벨 굵게, 나머지는 살짝 흐리게 */
.know-stats:has(.stat.active) .stat:not(.active) { opacity: 0.5; }
.stat.active.total { border-bottom-color: var(--text-primary); }
.stat.active.schedule { border-bottom-color: var(--cat-schedule); }
.stat.active.general { border-bottom-color: var(--cat-general); }
.stat.active .label { color: var(--text-primary); font-weight: 700; }

.know-toolbar {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    padding: 0.8rem 1.1rem;
    position: relative;
}
.know-search {
    flex: 1;
    position: relative;
}
.know-search svg.search-icon {
    position: absolute;
    left: 0.25rem;
    top: 50%;
    transform: translateY(-50%);
    width: 14px;
    height: 14px;
    color: var(--text-secondary);
}
.know-search input {
    width: 100%;
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--border-color);
    padding: 0.5rem 1.3rem 0.5rem 1.4rem;
    font-size: 0.8rem;
    color: var(--text-primary);
}
.know-search input:focus {
    border-bottom-color: var(--primary-color);
}
.know-search input::placeholder {
    color: var(--text-secondary);
}
.know-search .clear-x {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 14px;
    height: 14px;
    color: var(--text-secondary);
    cursor: pointer;
}

.sort-btn {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.76rem;
    color: var(--text-secondary);
    white-space: nowrap;
    padding: 0.5rem 0.1rem;
    flex-shrink: 0;
    background: none;
    border: none;
    cursor: pointer;
}
.sort-btn svg {
    width: 12px;
    height: 12px;
}
.sort-menu {
    position: absolute;
    top: 2.5rem;
    right: 1.1rem;
    background: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.18);
    overflow: hidden;
    min-width: 130px;
    z-index: 6;
}
.sort-menu .sopt {
    padding: 0.65rem 0.9rem;
    font-size: 0.8rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.6rem;
    cursor: pointer;
}
.sort-menu .sopt:hover {
    background: var(--card-hover-bg);
}
.sort-menu .sopt.sel {
    color: var(--primary-color);
    font-weight: 700;
}
.sort-menu .sopt svg {
    width: 13px;
    height: 13px;
    flex-shrink: 0;
}
.sort-menu .sopt + .sopt {
    border-top: 1px solid var(--border-color);
}

.know-list {
    flex: 1;
    overflow-y: auto;
    padding: 0 1.1rem;
    display: flex;
    flex-direction: column;
}

.know-row {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.3rem;
    padding: 1.05rem 0.9rem 1.05rem 0.8rem;
    border-bottom: 1px solid var(--border-color);
    border-left: 3px solid transparent;
    cursor: pointer;
    transition: background-color 0.15s ease;
}
.know-row:last-child { border-bottom: none; }
.know-row:active { background: color-mix(in srgb, var(--text-primary) 8%, transparent); }
.know-row.schedule {
    border-left-color: var(--cat-schedule);
    background: color-mix(in srgb, var(--cat-schedule) 6%, transparent);
}
.know-row.general {
    border-left-color: var(--cat-general);
    background: color-mix(in srgb, var(--cat-general) 6%, transparent);
}
.know-row .row-top {
    display: flex;
    width: 100%;
    justify-content: space-between;
    align-items: baseline;
    gap: 0.6rem;
}
.know-row .msg {
    font-size: 0.9rem;
    line-height: 1.4;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.know-row .date {
    font-size: 0.68rem;
    color: var(--text-secondary);
    font-family: ui-monospace, monospace;
    flex-shrink: 0;
}
.know-row .meta-line {
    font-size: 0.72rem;
    color: var(--text-secondary);
}

.load-more {
    text-align: center;
    padding: 0.8rem;
    font-size: 0.78rem;
    color: var(--primary-color);
    font-weight: 700;
    border-top: 1px solid var(--border-color);
    cursor: pointer;
    background: none;
    width: 100%;
}

/* ---------------- 빈 상태 ---------------- */
.empty-state {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    text-align: center;
    color: var(--text-secondary);
}
.empty-state svg {
    width: 38px;
    height: 38px;
    color: var(--border-color);
    margin-bottom: 1rem;
}
.empty-state .et {
    font-size: 0.92rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.4rem;
}
.empty-state .ed {
    font-size: 0.8rem;
    line-height: 1.6;
    margin-bottom: 1rem;
    max-width: 260px;
}
.empty-state .clear-link {
    font-size: 0.8rem;
    color: var(--primary-color);
    font-weight: 700;
    cursor: pointer;
}

/* ---------------- 로딩 스켈레톤 ---------------- */
.skeleton-row {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 1.05rem 0.9rem 1.05rem 0.8rem;
    border-bottom: 1px solid var(--border-color);
    border-left: 3px solid var(--border-color);
}
.skel-bar {
    height: 11px;
    border-radius: 4px;
    background: var(--border-color);
}
.skel-bar.w60 { width: 58%; }
.skel-bar.w30 { width: 32%; height: 8px; }
@media (prefers-reduced-motion: no-preference) {
    .skel-bar {
        animation: skeletonPulse 1.3s ease-in-out infinite;
    }
}
@keyframes skeletonPulse {
    0%, 100% { opacity: 0.45; }
    50% { opacity: 0.9; }
}

/* ---------------- 수정 폼 (바텀시트 안에서 뷰 ↔ 폼 전환) ---------------- */
.field-label {
    font-size: 0.7rem;
    color: var(--text-secondary);
    margin: 0 0 0.35rem;
    font-weight: 600;
}
.edit-textarea {
    width: 100%;
    border: none;
    border-bottom: 1px solid var(--border-color);
    background: transparent;
    font-size: 0.86rem;
    color: var(--text-primary);
    font-family: inherit;
    resize: none;
    padding: 0.3rem 0 0.6rem;
    margin-bottom: 1rem;
}
.edit-textarea:focus {
    border-bottom-color: var(--primary-color);
}
.type-toggle {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}
.type-pill {
    flex: 1;
    text-align: center;
    padding: 0.5rem;
    border-radius: 8px;
    font-size: 0.8rem;
    font-weight: 600;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    cursor: pointer;
    background: none;
}
.type-pill.schedule.on {
    background: color-mix(in srgb, var(--cat-schedule) 14%, var(--surface));
    border-color: var(--cat-schedule);
    color: var(--cat-schedule);
}
.type-pill.general.on {
    background: color-mix(in srgb, var(--cat-general) 14%, var(--surface));
    border-color: var(--cat-general);
    color: var(--cat-general);
}
.edit-field {
    margin-bottom: 1rem;
}
.edit-input {
    width: 100%;
    border: none;
    border-bottom: 1px solid var(--border-color);
    background: transparent;
    font-size: 0.84rem;
    color: var(--text-primary);
    padding: 0.4rem 0;
}
.edit-input:focus {
    border-bottom-color: var(--primary-color);
}
.schedule-only { display: none; }
.mode-schedule .schedule-only { display: block; }

.chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-top: 0.4rem;
}
.chip {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.25rem 0.6rem;
    border-radius: 99px;
    background: var(--bg);
    border: 1px solid var(--border-color);
    font-size: 0.74rem;
    color: var(--text-primary);
}
.chip button {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.75rem;
    line-height: 1;
    padding: 0;
}
.chip-add-row {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    margin-top: 0.5rem;
}
.chip-add-row input {
    flex: 1;
    border: none;
    border-bottom: 1px solid var(--border-color);
    background: transparent;
    font-size: 0.78rem;
    color: var(--text-primary);
    padding: 0.3rem 0;
}
.chip-add-row .btn-add-chip {
    flex-shrink: 0;
    font-size: 0.74rem;
    font-weight: 700;
    color: var(--primary-color);
    cursor: pointer;
    padding: 0.3rem 0.5rem;
    background: none;
    border: none;
}

/* ⚠️ JS(knowledge-modal.js/admin-render.js)가 실제로 만드는 클래스명은 .edit-actions.
   과거 .form-actions로 잘못 지어서 스타일이 전혀 먹지 않던 버그. */
.edit-actions {
    display: flex;
    gap: 0.6rem;
    margin-top: 0.4rem;
}
.edit-actions button {
    flex: 1;
    padding: 0.65rem;
    border-radius: 8px;
    font-size: 0.82rem;
    font-weight: 700;
    cursor: pointer;
}
.edit-actions .btn-cancel {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}
.edit-actions .btn-save {
    background: var(--primary-color);
    border: none;
    color: var(--primary-ink);
}
/* 삭제/거절 컨펌 시트의 확정 버튼 (지식관리 삭제, 사용자 삭제, 가입 거절 전부 공유) */
.edit-actions .btn-delete-confirm {
    background: var(--danger);
    border: none;
    color: #fff;
}
.edit-actions button:active {
    transform: scale(0.96);
}