/* ========================================
   AI Clipboard Cleaner - Modern UI
   ======================================== */

:root {
    /* 컬러 시스템 */
    --bg-main: #f0f2f5;
    --bg-surface: #ffffff;
    --bg-surface-hover: #f8f9fb;
    --bg-elevated: #ffffff;
    --bg-input: #f5f7fa;
    --bg-preview: #eef1f5;

    --border-color: #e1e5eb;
    --border-light: #edf0f4;
    --border-focus: #6366f1;

    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --primary-light: rgba(99, 102, 241, 0.08);
    --primary-subtle: rgba(99, 102, 241, 0.12);

    --success: #22c55e;
    --success-hover: #16a34a;
    --warning: #f59e0b;
    --warning-hover: #d97706;
    --danger: #ef4444;
    --danger-hover: #dc2626;

    --text-primary: #111827;
    --text-secondary: #6b7280;
    --text-tertiary: #9ca3af;
    --text-inverse: #ffffff;

    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 18px;
    --radius-full: 9999px;

    --font-main: "Pretendard Variable", "Pretendard", -apple-system, BlinkMacSystemFont, system-ui, Roboto,
        "Helvetica Neue", "Segoe UI", "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic",
        "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", sans-serif;

    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========== 리셋 & 기본 ========== */

*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-main);
    background: var(--bg-main);
    height: 100vh;
    color: var(--text-primary);
    overflow: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

* {
    font-family: inherit;
}

/* ========== 앱 컨테이너 ========== */

.app-container {
    max-width: 2200px;
    margin: 0 auto;
    height: 100%;
    display: flex;
    flex-direction: column;
    padding: 0.75rem 1.25rem 1rem;
    gap: 0.75rem;
}

/* ========== 헤더 ========== */

header {
    flex-shrink: 0;
}

.header-inner {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.brand-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--primary);
    color: var(--text-inverse);
    border-radius: var(--radius-md);
}

header h1 {
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.subtitle {
    color: var(--text-tertiary);
    font-size: 0.85rem;
    font-weight: 400;
}

/* ========== 워크스페이스 ========== */

.workspace {
    display: flex;
    gap: 1rem;
    flex: 1;
    min-height: 0;
    align-items: stretch;
}

.workspace.has-sidebar {
    display: grid;
    grid-template-columns: 1fr 52px 1fr 264px;
    gap: 0.75rem;
}

/* ========== 패널 ========== */

.panel {
    flex: 1;
    background: var(--bg-surface);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: box-shadow var(--transition-base);
}

.panel:hover {
    box-shadow: var(--shadow-md);
}

/* 패널 헤더 */
.panel-header {
    padding: 0.75rem 1.25rem;
    border-bottom: 1px solid var(--border-light);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    background: var(--bg-surface);
}

.panel-header .actions {
    display: flex;
    flex-direction: row;
    gap: 0.4rem;
    align-items: center;
}

.panel-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.panel-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: var(--radius-sm);
}

.panel-header h2 {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
}

.header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

/* ========== 탭 ========== */

.tabs {
    display: flex;
    padding: 0 1.25rem;
    gap: 2px;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-light);
}

.tab-btn {
    padding: 0.6rem 1rem;
    border: none;
    background: transparent;
    cursor: pointer;
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
    transition: all var(--transition-fast);
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.tab-btn svg {
    opacity: 0.6;
}

.tab-btn:hover {
    color: var(--primary);
    background: var(--primary-light);
}

.tab-btn:hover svg {
    opacity: 1;
}

.tab-btn.active {
    color: var(--primary);
    font-weight: 600;
}

.tab-btn.active svg {
    opacity: 1;
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary);
    border-radius: 2px 2px 0 0;
}

/* ========== 에디터 컨테이너 ========== */

.editor-container {
    flex: 1;
    overflow-y: auto;
    padding: 1.25rem;
    position: relative;
    background: var(--bg-input);
}

.editor-container.preview-bg {
    background: var(--bg-preview);
    display: block;
    padding: 1.5rem;
    overflow-y: auto;
}

/* 입력 에디터 */
#input-editor {
    width: 100%;
    height: 100%;
    outline: none;
    font-size: 0.95rem;
    line-height: 1.7;
    white-space: pre-wrap;
    color: var(--text-primary);
    font-family: var(--font-main);
}

.hidden {
    display: none !important;
}

/* 문서 종이 스타일 */
.editor.paper {
    background: white;
    width: 100%;
    max-width: 800px;
    min-height: 100%;
    height: auto;
    margin: 0 auto;
    padding: 2.5rem;
    box-shadow: var(--shadow-md);
    border-radius: var(--radius-md);
    outline: none;
    line-height: 1.7;
    color: var(--text-primary);
}

/* Word 뷰 */
.word-view {
    font-family: var(--font-main);
    font-size: 0.95rem;
}

.word-view h1 { font-size: 1.5rem; font-weight: 700; margin: 1rem 0 0.4rem; }
.word-view h2 { font-size: 1.25rem; font-weight: 700; margin: 0.9rem 0 0.4rem; }
.word-view h3 { font-size: 1.1rem; font-weight: 600; margin: 0.8rem 0 0.3rem; }
.word-view h4, .word-view h5, .word-view h6 { font-size: 1rem; font-weight: 600; margin: 0.7rem 0 0.3rem; }
.word-view p { margin: 0.3rem 0; }
.word-view ul, .word-view ol { margin: 0.3rem 0; padding-left: 1.5rem; }
.word-view li { margin: 0.15rem 0; }
.word-view code { background: #f3f4f6; padding: 0.15em 0.4em; border-radius: 4px; font-size: 0.88rem; color: #d946ef; }
.word-view pre { background: #1e1e2e; color: #cdd6f4; padding: 1rem 1.25rem; border-radius: var(--radius-md); overflow-x: auto; font-size: 0.85rem; margin: 0.5rem 0; }
.word-view pre code { background: transparent; color: inherit; padding: 0; }

.word-view table {
    border-collapse: collapse;
    width: 100%;
    margin: 1rem 0;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.word-view th,
.word-view td {
    border: 1px solid var(--border-color);
    padding: 0.5rem 0.75rem;
    text-align: left;
    font-size: 0.9rem;
}

.word-view th {
    background: var(--bg-input);
    font-weight: 600;
}

.word-view blockquote {
    border-left: 3px solid var(--primary);
    margin: 0.5rem 0 0.5rem 0;
    padding: 0.5rem 1rem;
    color: var(--text-secondary);
    background: var(--primary-light);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.word-view hr {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 1.25rem 0;
}

/* 메모장 뷰 */
.notepad-view {
    font-family: var(--font-main);
    white-space: pre-wrap;
    color: #333;
}

.notepad-view * {
    font-family: inherit !important;
}

/* ========== 스크롤바 ========== */

.editor-container::-webkit-scrollbar,
.sidebar-content::-webkit-scrollbar,
.saved-list::-webkit-scrollbar {
    width: 5px;
}

.editor-container::-webkit-scrollbar-track,
.sidebar-content::-webkit-scrollbar-track,
.saved-list::-webkit-scrollbar-track {
    background: transparent;
}

.editor-container::-webkit-scrollbar-thumb,
.sidebar-content::-webkit-scrollbar-thumb,
.saved-list::-webkit-scrollbar-thumb {
    background-color: rgba(0, 0, 0, 0.12);
    border-radius: 10px;
}

.editor-container::-webkit-scrollbar-thumb:hover,
.sidebar-content::-webkit-scrollbar-thumb:hover,
.saved-list::-webkit-scrollbar-thumb:hover {
    background-color: rgba(0, 0, 0, 0.2);
}

/* ========== 변환 버튼 (가운데) ========== */

.action-bar {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 0;
}

.arrow-btn {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-full);
    background: var(--primary);
    color: var(--text-inverse);
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.35);
    transition: all var(--transition-base);
}

.arrow-btn:hover {
    background: var(--primary-hover);
    transform: scale(1.08);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.45);
}

.arrow-btn:active {
    transform: scale(0.96);
}

/* ========== 버튼 공통 ========== */

button {
    cursor: pointer;
    border: none;
    padding: 0.5rem 0.9rem;
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-family: inherit;
    transition: all var(--transition-fast);
    font-size: 0.82rem;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    line-height: 1;
}

.primary-btn {
    background: var(--primary);
    color: var(--text-inverse);
    box-shadow: 0 1px 3px rgba(99, 102, 241, 0.3);
}

.primary-btn:hover {
    background: var(--primary-hover);
    box-shadow: 0 2px 6px rgba(99, 102, 241, 0.4);
}

.primary-btn:active {
    transform: scale(0.97);
}

.secondary-btn {
    background: var(--bg-input);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.secondary-btn:hover {
    background: var(--border-light);
    color: var(--text-primary);
    border-color: #d1d5db;
}

.success-btn {
    background: var(--success);
    color: var(--text-inverse);
}

.success-btn:hover {
    background: var(--success-hover);
}

.edit-btn {
    background: var(--warning);
    color: var(--text-inverse);
}

.edit-btn:hover {
    background: var(--warning-hover);
}

.edit-btn.editing {
    background: var(--success);
}

.edit-btn.editing:hover {
    background: var(--success-hover);
}

#copy-text-btn {
    background-color: #64748b;
    color: white;
    font-size: 0.8rem;
    padding: 0.5rem 1rem;
}

#copy-text-btn:hover {
    background-color: #475569;
}

#save-btn {
    background: var(--success);
    color: var(--text-inverse);
}

#save-btn:hover {
    background: var(--success-hover);
}

/* 플레이스홀더 */
[contenteditable]:empty:before {
    content: attr(placeholder);
    color: var(--text-tertiary);
    display: block;
}

/* ========== 토스트 ========== */

.toast {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    background: var(--text-primary);
    color: var(--text-inverse);
    padding: 0.7rem 1.4rem;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-xl);
    font-size: 0.85rem;
    font-weight: 500;
    opacity: 1;
    transition: opacity var(--transition-slow), transform var(--transition-slow);
    z-index: 1000;
}

.toast.hidden {
    opacity: 0;
    transform: translateX(-50%) translateY(10px);
    pointer-events: none;
}

/* ========== 사이드바 ========== */

.sidebar {
    background: var(--bg-surface);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: width var(--transition-slow), opacity var(--transition-slow);
    width: 264px;
}

.sidebar.collapsed {
    width: 48px;
}

.sidebar.collapsed .sidebar-content,
.sidebar.collapsed .sidebar-header h2,
.sidebar.collapsed .data-actions {
    display: none;
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-light);
}

.sidebar-header h2 {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
}

.sidebar-toggle {
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0.3rem;
    color: var(--text-tertiary);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.sidebar-toggle:hover {
    background: var(--bg-input);
    color: var(--text-primary);
}

.sidebar.collapsed .sidebar-toggle svg {
    transform: rotate(180deg);
}

.sidebar.collapsed .sidebar-header {
    justify-content: center;
    padding: 0.75rem 0.5rem;
}

.sidebar-content {
    flex: 1;
    overflow-y: auto;
    padding: 0.5rem 0.6rem;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

/* 폴더 섹션 */
.folder-section {
    flex-shrink: 0;
}

.folder-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.68rem;
    font-weight: 600;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.2rem;
    padding: 0 0.3rem;
}

.add-folder-btn {
    width: 20px;
    height: 20px;
    border-radius: var(--radius-sm);
    background: transparent;
    border: 1px dashed var(--text-tertiary);
    color: var(--text-tertiary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    transition: all var(--transition-fast);
}

.add-folder-btn:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--text-inverse);
}

.folder-list {
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.folder-item {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.3rem 0.5rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.8rem;
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.folder-item:hover {
    background: var(--bg-input);
}

.folder-item.active {
    background: var(--primary);
    color: var(--text-inverse);
}

.folder-item.drag-over {
    background: var(--primary-subtle);
    outline: 2px dashed var(--primary);
    outline-offset: -2px;
}

.folder-item.active.drag-over {
    background: var(--primary-hover);
    outline: 2px dashed white;
}

.folder-root {
    font-weight: 600;
}

.folder-child {
    padding-left: 0.5rem;
}

.folder-indent {
    color: var(--text-tertiary);
    font-size: 0.75rem;
    margin-right: 0.1rem;
    opacity: 0.6;
}

.folder-item.active .folder-indent {
    color: rgba(255, 255, 255, 0.7);
}

.folder-icon {
    display: flex;
    align-items: center;
    color: var(--text-secondary);
}

.folder-item.active .folder-icon {
    color: var(--text-inverse);
}

.folder-name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.folder-actions {
    display: flex;
    gap: 0.1rem;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.folder-item:hover .folder-actions {
    opacity: 1;
}

.folder-edit,
.folder-delete {
    background: transparent;
    border: none;
    color: inherit;
    font-size: 0.65rem;
    cursor: pointer;
    padding: 0.1rem 0.25rem;
    border-radius: 3px;
    transition: all var(--transition-fast);
    opacity: 0.6;
}

.folder-edit:hover {
    opacity: 1;
    background: var(--primary-light);
    color: var(--primary);
}

.folder-delete:hover {
    opacity: 1;
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
}

.folder-item.active .folder-edit:hover,
.folder-item.active .folder-delete:hover {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

.folder-rename-input {
    flex: 1;
    padding: 0.1rem 0.3rem;
    border: 1px solid var(--primary);
    border-radius: 4px;
    font-size: 0.8rem;
    font-family: inherit;
    background: white;
    min-width: 0;
}

.folder-rename-input:focus {
    outline: none;
    box-shadow: 0 0 0 2px var(--primary-subtle);
}

.folder-child .folder-name {
    cursor: text;
}

/* 항목 섹션 */
.items-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
}

.items-header {
    font-size: 0.68rem;
    font-weight: 600;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.3rem;
    padding: 0 0.3rem;
}

/* 검색 */
.search-box {
    margin-bottom: 0.4rem;
    position: relative;
}

.search-icon {
    position: absolute;
    left: 0.6rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-tertiary);
    pointer-events: none;
}

.search-box input {
    width: 100%;
    padding: 0.45rem 0.6rem 0.45rem 2rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-family: inherit;
    background: var(--bg-input);
    transition: all var(--transition-fast);
    color: var(--text-primary);
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
    background: white;
}

.search-box input::placeholder {
    color: var(--text-tertiary);
}

.saved-list {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    overflow-y: auto;
    flex: 1;
}

.empty-message {
    color: var(--text-tertiary);
    text-align: center;
    padding: 1.5rem 0.5rem;
    font-size: 0.8rem;
}

/* 저장 항목 카드 */
.saved-item {
    background: var(--bg-surface);
    border-radius: var(--radius-sm);
    padding: 0.45rem 0.55rem;
    box-shadow: var(--shadow-xs);
    border: 1px solid var(--border-light);
    transition: all var(--transition-fast);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    border-left: 3px solid transparent;
}

.saved-item:hover {
    box-shadow: var(--shadow-sm);
    border-color: var(--border-color);
}

.saved-item.color-pink { background: #fdf2f8; border-left-color: #f9a8d4; }
.saved-item.color-purple { background: #faf5ff; border-left-color: #d8b4fe; }
.saved-item.color-blue { background: #eff6ff; border-left-color: #93c5fd; }
.saved-item.color-green { background: #f0fdf4; border-left-color: #86efac; }
.saved-item.color-yellow { background: #fefce8; border-left-color: #fde047; }
.saved-item.color-orange { background: #fff7ed; border-left-color: #fdba74; }

.saved-item.dragging {
    opacity: 0.5;
    transform: scale(0.98);
}

.saved-item[draggable="true"] { cursor: grab; }
.saved-item[draggable="true"]:active { cursor: grabbing; }

.saved-item-info {
    flex: 1;
    min-width: 0;
}

.saved-item-title {
    font-weight: 600;
    font-size: 0.75rem;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    line-height: 1.3;
}

.saved-item-date {
    font-size: 0.6rem;
    color: var(--text-tertiary);
}

/* 핀 버튼 */
.pin-btn {
    background: transparent;
    border: none;
    padding: 0.1rem 0.2rem;
    cursor: pointer;
    font-size: 0.55rem;
    opacity: 0.4;
    transition: opacity var(--transition-fast);
    line-height: 1;
}

.pin-btn:hover { opacity: 1; }
.pin-btn.active { opacity: 1; }

.saved-item.pinned {
    border-top: 2px solid var(--primary);
    background: linear-gradient(to bottom, var(--primary-light), transparent);
}

.saved-item.pinned::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary);
}

.saved-item.drop-above { border-top: 2px solid var(--primary); }
.saved-item.drop-below { border-bottom: 2px solid var(--primary); }

/* 색상 선택 */
.color-picker-btn {
    background: transparent;
    border: none;
    padding: 0.1rem 0.2rem;
    cursor: pointer;
    font-size: 0.55rem;
    opacity: 0.4;
    transition: opacity var(--transition-fast);
    line-height: 1;
}

.color-picker-btn:hover { opacity: 1; }

.color-picker-popup {
    position: absolute;
    right: 0;
    top: 100%;
    background: white;
    border-radius: var(--radius-md);
    padding: 0.5rem;
    box-shadow: var(--shadow-lg);
    display: flex;
    gap: 0.25rem;
    z-index: 10;
    border: 1px solid var(--border-color);
}

.color-picker-popup.hidden { display: none; }

.color-dot {
    width: 18px;
    height: 18px;
    border-radius: var(--radius-full);
    border: 2px solid transparent;
    cursor: pointer;
    transition: transform var(--transition-fast);
}

.color-dot:hover { transform: scale(1.2); }

.color-dot.none { background: white; border-color: var(--border-color); }
.color-dot.pink { background: #fdf2f8; border-color: #f9a8d4; }
.color-dot.purple { background: #faf5ff; border-color: #d8b4fe; }
.color-dot.blue { background: #eff6ff; border-color: #93c5fd; }
.color-dot.green { background: #f0fdf4; border-color: #86efac; }
.color-dot.yellow { background: #fefce8; border-color: #fde047; }
.color-dot.orange { background: #fff7ed; border-color: #fdba74; }

.saved-item-actions {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
    flex-shrink: 0;
    position: relative;
}

.saved-item-actions button {
    padding: 0.1rem 0.2rem;
    font-size: 0.55rem;
    border-radius: 3px;
    line-height: 1;
    min-width: auto;
}

.btn-load {
    background: var(--primary);
    color: var(--text-inverse);
}

.btn-load:hover {
    background: var(--primary-hover);
}

.btn-delete {
    background: transparent;
    color: var(--danger);
    border: none;
    opacity: 0.5;
}

.btn-delete:hover {
    opacity: 1;
    background: rgba(239, 68, 68, 0.08);
}

/* ========== 데이터 관리 ========== */

.data-actions {
    display: flex;
    gap: 0.3rem;
    padding: 0.5rem 0.6rem;
    border-top: 1px solid var(--border-light);
    flex-shrink: 0;
}

.data-btn {
    flex: 1;
    background: var(--bg-input);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    padding: 0.45rem 0.4rem;
    font-size: 0.72rem;
    border-radius: var(--radius-sm);
    text-align: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.data-btn:hover {
    background: var(--border-light);
    border-color: #d1d5db;
    color: var(--text-primary);
}

/* ========== 모달 ========== */

.modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal.hidden {
    display: none;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: var(--bg-elevated);
    border-radius: var(--radius-xl);
    padding: 1.75rem;
    width: 90%;
    max-width: 420px;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border-light);
}

.modal-content h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
    color: var(--text-primary);
}

.modal-body {
    margin-bottom: 1.5rem;
}

.modal-body label {
    display: block;
    font-size: 0.82rem;
    font-weight: 600;
    margin-bottom: 0.4rem;
    color: var(--text-secondary);
}

.modal-body input[type="text"] {
    width: 100%;
    padding: 0.65rem 0.9rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-family: inherit;
    background: var(--bg-input);
    transition: all var(--transition-fast);
    color: var(--text-primary);
}

.modal-body input[type="text"]:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
    background: white;
}

.modal-body select {
    width: 100%;
    padding: 0.65rem 0.9rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-family: inherit;
    background: var(--bg-input);
    cursor: pointer;
    transition: all var(--transition-fast);
    color: var(--text-primary);
}

.modal-body select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.modal-row {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.modal-inline-btn {
    white-space: nowrap;
    padding: 0.45rem 0.7rem;
    font-size: 0.82rem;
}

.dir-path-text {
    flex: 1;
    font-size: 0.82rem;
    color: var(--text-tertiary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.modal-footer {
    display: flex;
    gap: 0.5rem;
    justify-content: flex-end;
}

.modal-footer button {
    min-width: 80px;
    justify-content: center;
    padding: 0.55rem 1.1rem;
}

/* ========== SunEditor ========== */

.sun-editor {
    border: none !important;
}

.sun-editor .se-wrapper {
    min-height: 400px;
}

.sun-editor .se-wrapper .se-wrapper-inner {
    font-family: var(--font-main) !important;
}

/* ========== 반응형 ========== */

@media (max-width: 1200px) {
    .workspace.has-sidebar {
        grid-template-columns: 1fr auto 1fr;
    }

    .sidebar {
        position: fixed;
        right: 0;
        top: 0;
        height: 100vh;
        border-radius: var(--radius-xl) 0 0 var(--radius-xl);
        z-index: 100;
        transform: translateX(0);
        box-shadow: var(--shadow-xl);
    }

    .sidebar.collapsed {
        transform: translateX(calc(100% - 48px));
    }
}

@media (max-width: 900px) {
    .app-container {
        padding: 0.5rem;
    }

    .header-inner {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.25rem;
    }

    .workspace {
        flex-direction: column;
        overflow-y: auto;
    }

    .workspace.has-sidebar {
        grid-template-columns: 1fr;
        display: flex;
        flex-direction: column;
    }

    .action-bar {
        flex-direction: row;
        padding: 0.5rem 0;
    }

    .arrow-btn svg {
        transform: rotate(90deg);
    }

    html,
    body {
        height: auto;
        overflow: auto;
    }

    .sidebar {
        position: fixed;
        right: 0;
        top: 0;
        height: 100vh;
        width: 280px;
        border-radius: var(--radius-xl) 0 0 var(--radius-xl);
        z-index: 100;
        box-shadow: var(--shadow-xl);
    }

    .sidebar.collapsed {
        transform: translateX(calc(100% - 48px));
    }
}