/* KEYWORK v3 - 좋아요 시스템 CSS 모듈 */

/* ========================================
   좋아요 버튼 컨테이너
   ======================================== */
.likes-section {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

.like-button-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

/* ========================================
   좋아요 버튼
   ======================================== */
.like-button {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    border: 2px solid var(--border-color);
    background: white;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    position: relative;
    overflow: hidden;
}

.like-button:hover {
    border-color: #ff6b6b;
    background: #fff5f5;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(255, 107, 107, 0.15);
}

.like-button.liked {
    border-color: #ff6b6b;
    background: linear-gradient(135deg, #ff6b6b, #ee5a52);
    color: white;
    box-shadow: 0 4px 12px rgba(255, 107, 107, 0.3);
}

.like-button.liked:hover {
    background: linear-gradient(135deg, #ee5a52, #dc4c3e);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 107, 107, 0.4);
}

.like-button:disabled {
    cursor: not-allowed;
    opacity: 0.6;
    transform: none !important;
}

.like-button.guest {
    cursor: not-allowed;
    opacity: 0.5;
}

/* ========================================
   좋아요 아이콘
   ======================================== */
.like-icon {
    font-size: 16px;
    transition: transform 0.3s ease;
}

.like-button:hover .like-icon {
    transform: scale(1.1);
}

.like-button.liked .like-icon {
    animation: heartBeat 0.6s ease;
}

@keyframes heartBeat {
    0% { transform: scale(1); }
    25% { transform: scale(1.2); }
    50% { transform: scale(1); }
    75% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

/* ========================================
   좋아요 카운트
   ======================================== */
.like-count {
    font-weight: 600;
    min-width: 20px;
    text-align: center;
    transition: all 0.3s ease;
}

.like-count.updating {
    animation: countUpdate 0.4s ease;
}

@keyframes countUpdate {
    0% { transform: scale(1); }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

/* ========================================
   좋아요 사용자 목록
   ======================================== */
.like-users-preview {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--text-secondary);
}

.like-users-avatars {
    display: flex;
    margin-left: -4px;
}

.like-user-avatar {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 10px;
    font-weight: 600;
    border: 2px solid white;
    margin-left: -4px;
    transition: transform 0.2s ease;
}

.like-user-avatar:hover {
    transform: translateY(-2px);
    z-index: 10;
}

.like-users-text {
    font-size: 12px;
    color: var(--text-secondary);
}

.like-users-text .highlight {
    color: var(--text-primary);
    font-weight: 500;
}

/* ========================================
   좋아요 사용자 상세 모달
   ======================================== */
.like-users-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.like-users-modal.show {
    opacity: 1;
    visibility: visible;
}

.like-users-modal-content {
    background: white;
    border-radius: 16px;
    width: 100%;
    max-width: 400px;
    max-height: 500px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
    transform: translateY(20px);
    transition: transform 0.3s ease;
}

.like-users-modal.show .like-users-modal-content {
    transform: translateY(0);
}

.like-users-modal-header {
    padding: 20px 24px 16px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.like-users-modal-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.like-users-modal-close {
    background: none;
    border: none;
    font-size: 24px;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px;
    border-radius: 50%;
    transition: all 0.2s ease;
}

.like-users-modal-close:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.like-users-list {
    max-height: 350px;
    overflow-y: auto;
    padding: 8px 0;
}

.like-user-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 24px;
    transition: background 0.2s ease;
}

.like-user-item:hover {
    background: var(--bg-secondary);
}

.like-user-item-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 14px;
    font-weight: 600;
    flex-shrink: 0;
}

.like-user-item-info {
    flex: 1;
}

.like-user-item-name {
    font-weight: 500;
    color: var(--text-primary);
    font-size: 14px;
    margin-bottom: 2px;
}

.like-user-item-time {
    font-size: 12px;
    color: var(--text-secondary);
}

/* ========================================
   인라인 좋아요 정보 (게시글 목록용)
   ======================================== */
.like-info-inline {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    color: var(--text-secondary);
}

.like-info-inline .like-icon {
    font-size: 12px;
    color: #ff6b6b;
}

.like-info-inline.liked {
    color: #ff6b6b;
}

/* ========================================
   로딩 상태
   ======================================== */
.like-button.loading {
    pointer-events: none;
}

.like-button.loading .like-icon {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* ========================================
   모바일 반응형
   ======================================== */
@media (max-width: 767px) {
    .like-button-container {
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
    }
    
    .like-button {
        justify-content: center;
        padding: 12px 16px;
    }
    
    .like-users-preview {
        justify-content: center;
        padding: 8px;
        background: var(--bg-secondary);
        border-radius: 8px;
    }
    
    .like-users-modal-content {
        margin: 20px;
        max-height: calc(100vh - 40px);
    }
    
    .like-users-modal-header {
        padding: 16px 20px 12px;
    }
    
    .like-users-modal-title {
        font-size: 16px;
    }
    
    .like-user-item {
        padding: 10px 20px;
    }
    
    .like-user-item-avatar {
        width: 36px;
        height: 36px;
        font-size: 13px;
    }
}

/* ========================================
   접근성
   ======================================== */
.like-button:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(255, 107, 107, 0.3);
}

.like-button[aria-pressed="true"] {
    /* 스크린 리더를 위한 상태 표시 */
}

/* ========================================
   고대비 모드 지원
   ======================================== */
@media (prefers-contrast: high) {
    .like-button {
        border-width: 3px;
    }
    
    .like-button.liked {
        background: #dc2626;
        border-color: #991b1b;
    }
}

/* ========================================
   애니메이션 줄이기 설정
   ======================================== */
@media (prefers-reduced-motion: reduce) {
    .like-button,
    .like-icon,
    .like-count,
    .like-user-avatar,
    .like-users-modal,
    .like-users-modal-content {
        animation: none;
        transition: none;
    }
    
    .like-button:hover {
        transform: none;
    }
}