/* 기본 CSS - DevonThink 스타일과 함께 사용 */

/* 추가 유틸리티 클래스 */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }

.p-0 { padding: 0; }
.p-1 { padding: 8px; }
.p-2 { padding: 16px; }
.p-3 { padding: 24px; }
.p-4 { padding: 32px; }

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

.flex-1 { flex: 1; }
.flex-column { flex-direction: column; }
.align-items-center { align-items: center; }
.justify-content-center { justify-content: center; }
.justify-content-between { justify-content: space-between; }

.w-100 { width: 100%; }
.h-100 { height: 100%; }

/* 애니메이션 */
.fade-in {
    animation: fadeIn 0.3s ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.slide-in {
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from { transform: translateX(-20px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* 호버 효과 */
.hover-lift {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.hover-lift:hover {
    transform: translateY(-2px);
    box-shadow: var(--dt-shadow-lg);
}

/* 포커스 효과 */
.focus-ring:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.2);
}

/* 로딩 스피너 */
.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--dt-gray-300);
    border-top: 2px solid var(--dt-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 툴팁 */
.tooltip {
    position: relative;
    cursor: help;
}

.tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--dt-gray-800);
    color: white;
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 12px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
    z-index: 1000;
}

.tooltip:hover::after {
    opacity: 1;
}

/* 알림 배지 */
.notification-badge {
    position: absolute;
    top: -6px;
    right: -6px;
    background-color: var(--dt-danger);
    color: white;
    border-radius: 50%;
    width: 16px;
    height: 16px;
    font-size: 10px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 진행률 바 */
.progress-bar {
    width: 100%;
    height: 8px;
    background-color: var(--dt-gray-200);
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background-color: var(--dt-primary);
    transition: width 0.3s ease;
}

/* 드래그 앤 드롭 */
.drop-zone {
    border: 2px dashed var(--dt-gray-300);
    border-radius: 8px;
    padding: 40px 20px;
    text-align: center;
    color: var(--dt-gray-600);
    transition: all 0.2s ease;
}

.drop-zone.drag-over {
    border-color: var(--dt-primary);
    background-color: rgba(74, 144, 226, 0.05);
    color: var(--dt-primary);
}

/* 테이블 */
.table {
    width: 100%;
    border-collapse: collapse;
    background-color: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--dt-shadow);
}

.table th,
.table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--dt-gray-200);
}

.table th {
    background-color: var(--dt-gray-50);
    font-weight: 600;
    color: var(--dt-gray-700);
    font-size: 14px;
}

.table td {
    font-size: 14px;
    color: var(--dt-gray-800);
}

.table tr:hover {
    background-color: var(--dt-gray-50);
}

/* 모달 */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.modal {
    background-color: white;
    border-radius: 8px;
    box-shadow: var(--dt-shadow-lg);
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.modal-overlay.active .modal {
    transform: scale(1);
}

.modal-header {
    padding: 20px 24px 16px 24px;
    border-bottom: 1px solid var(--dt-gray-200);
}

.modal-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--dt-gray-800);
    margin: 0;
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    padding: 16px 24px 20px 24px;
    border-top: 1px solid var(--dt-gray-200);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* 탭 */
.tabs {
    border-bottom: 1px solid var(--dt-gray-200);
    margin-bottom: 24px;
}

.tab-list {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

.tab-item {
    margin-right: 32px;
}

.tab-link {
    display: block;
    padding: 12px 0;
    color: var(--dt-gray-600);
    text-decoration: none;
    font-weight: 500;
    border-bottom: 2px solid transparent;
    transition: all 0.2s ease;
}

.tab-link:hover {
    color: var(--dt-gray-800);
}

.tab-link.active {
    color: var(--dt-primary);
    border-bottom-color: var(--dt-primary);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* 아코디언 */
.accordion-item {
    border: 1px solid var(--dt-gray-200);
    border-radius: 6px;
    margin-bottom: 8px;
    overflow: hidden;
}

.accordion-header {
    padding: 16px 20px;
    background-color: var(--dt-gray-50);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    color: var(--dt-gray-800);
    transition: background-color 0.2s ease;
}

.accordion-header:hover {
    background-color: var(--dt-gray-100);
}

.accordion-header.active {
    background-color: var(--dt-primary);
    color: white;
}

.accordion-icon {
    transition: transform 0.2s ease;
}

.accordion-header.active .accordion-icon {
    transform: rotate(180deg);
}

.accordion-content {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.accordion-content.active {
    padding: 20px;
    max-height: 500px;
}

/* 알림 메시지 */
.alert {
    padding: 12px 16px;
    border-radius: 6px;
    margin-bottom: 16px;
    font-size: 14px;
    border: 1px solid transparent;
}

.alert-success {
    background-color: rgba(52, 168, 83, 0.1);
    border-color: var(--dt-success);
    color: var(--dt-success);
}

.alert-warning {
    background-color: rgba(251, 188, 4, 0.1);
    border-color: var(--dt-warning);
    color: #B8860B;
}

.alert-danger {
    background-color: rgba(234, 67, 53, 0.1);
    border-color: var(--dt-danger);
    color: var(--dt-danger);
}

.alert-info {
    background-color: rgba(74, 144, 226, 0.1);
    border-color: var(--dt-primary);
    color: var(--dt-primary);
}

/* 빈 상태 */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--dt-gray-500);
}

.empty-state-icon {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-state-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--dt-gray-700);
}

.empty-state-description {
    font-size: 14px;
    margin-bottom: 24px;
}

/* 스크롤바 스타일링 */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--dt-gray-100);
}

::-webkit-scrollbar-thumb {
    background: var(--dt-gray-400);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--dt-gray-500);
}

/* 인쇄 스타일 */
@media print {
    .sidebar,
    .btn,
    .modal-overlay {
        display: none !important;
    }
    
    .main-content {
        width: 100% !important;
        margin: 0 !important;
        padding: 0 !important;
    }
    
    .page {
        display: block !important;
        padding: 0 !important;
    }
    
    .card {
        box-shadow: none !important;
        border: 1px solid #ccc !important;
        margin-bottom: 20px !important;
    }
}