/* Reset & Variables */


:root {
    --bg-color: #ffffff;
    --text-color: #09090b;
    --border-color: #e4e4e7;
    --accent-color: #000000;
    --accent-text: #ffffff;
    --muted-bg: #f4f4f5;
    --muted-text: #71717a;
    --danger-color: #ef4444;
    
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --radius: 6px;
    --shadow: 0 1px 3px rgba(0,0,0,0.1);
}

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

body {
    font-family: var(--font-sans);
    background-color: var(--bg-color);
    color: var(--text-color);
    height: 100vh;
    overflow: hidden;
    font-size: 14px;
    line-height: 1.5;
}
body, html {
    height: 100%;
    margin: 0;
    padding: 0;
    overflow: hidden; /* ★ 핵심: 브라우저 전체 스크롤을 아예 막아버림 */
}
/* Layout */
.app-container {
    display: grid;
    grid-template-columns: 320px 1fr 300px;
    height: 100vh;
    width: 100vw;
}

.panel {
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--border-color);
    background: var(--bg-color);
    
    /* ★ 핵심 수정 사항 ★ */
    height: 100%;       /* 부모 높이를 꽉 채움 */
    max-height: 100vh;  /* 화면 크기보다 절대 커질 수 없음 */
    overflow: hidden;   /* 내용이 넘치면 잘라내고, 자식(.scroll-content)에게 스크롤을 맡김 */
    min-height: 0;      /* Flexbox 버그 방지용 안전장치 */
}

.panel:last-child {
    border-right: none;
    border-left: 1px solid var(--border-color);
}

.panel-header {
    padding: 16px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(255,255,255,0.8);
    backdrop-filter: blur(8px);
}

.panel-header h1, .panel-header h2 {
    font-size: 16px;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.version {
    font-size: 12px;
    color: var(--muted-text);
    background: var(--muted-bg);
    padding: 2px 6px;
    border-radius: 4px;
}

.scroll-content {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
}

/* Components */
.section {
    margin-bottom: 24px;
}

.section h2 {
    font-size: 13px;
    font-weight: 600;
    color: var(--muted-text);
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.divider {
    border: 0;
    border-top: 1px solid var(--border-color);
    margin: 24px 0;
}

.input-group {
    margin-bottom: 12px;
}

.input-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 6px;
}

.input-text, .input-number, .input-select, .input-textarea {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 13px;
    transition: border-color 0.2s;
    background: #fff;
}

.input-text:focus, .input-number:focus, .input-select:focus, .input-textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 1px var(--accent-color);
}

.input-textarea {
    resize: vertical;
    min-height: 80px;
}

.row {
    display: flex;
    gap: 8px;
    align-items: center;
}

.mt-2 { margin-top: 8px; }
.mt-4 { margin-top: 16px; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 16px;
    border-radius: var(--radius);
    font-weight: 500;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s;
    border: 1px solid transparent;
}

.btn-black {
    background: var(--accent-color);
    color: var(--accent-text);
}

.btn-black:hover {
    opacity: 0.9;
}

.btn-outline {
    background: transparent;
    border-color: var(--border-color);
    color: var(--text-color);
}

.btn-outline:hover {
    background: var(--muted-bg);
    border-color: #d4d4d8;
}

.btn-text {
    background: transparent;
    color: var(--muted-text);
    padding: 4px 8px;
}

.btn-text:hover {
    color: var(--text-color);
    background: var(--muted-bg);
}

.btn-sm {
    padding: 4px 10px;
    font-size: 12px;
}

.btn-lg {
    padding: 10px 20px;
    font-size: 14px;
}

.btn-block {
    width: 100%;
}

.btn-icon {
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    font-size: 16px;
}

.btn-icon:hover {
    background: var(--muted-bg);
}

.btn-close {
    background: transparent;
    border: none;
    cursor: pointer;
    font-size: 18px;
    color: var(--muted-text);
}

.btn-close:hover {
    color: var(--text-color);
}

/* Character List */
.character-item {
    background: var(--muted-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 12px;
    margin-bottom: 12px;
    position: relative;
}

.char-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    font-weight: 600;
    font-size: 12px;
}

.btn-remove-char {
    background: transparent;
    border: none;
    color: var(--muted-text);
    cursor: pointer;
}

.btn-remove-char:hover {
    color: var(--danger-color);
}

/* Preview Panel */
/* batch-generator.css */

/* 기존 .preview-header를 찾아서 이렇게 덮어씌우세요 */
.preview-header {
    padding: 16px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between; /* 좌측 그룹과 우측 그룹을 양 끝으로 배치 */
    align-items: center;
    background: #fff;
    gap: 16px; /* 그룹 간 최소 간격 */
}

/* 슬라이더(바) 스타일 좀 더 예쁘게 */
input[type=range] {
    accent-color: var(--accent-color); /* 검은색 테마 적용 */
}

.mode-switcher {
    display: flex;
    background: var(--muted-bg);
    padding: 4px;
    border-radius: var(--radius);
}

.mode-btn {
    background: transparent;
    border: none;
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 13px;
    font-weight: 500;
    color: var(--muted-text);
    cursor: pointer;
}

.mode-btn.active {
    background: #fff;
    color: var(--text-color);
    box-shadow: 0 1px 2px rgba(0,0,0,0.05);
}

.action-group {
    display: flex;
    align-items: center;
    gap: 12px;
}

.hidden {
    display: none !important;
}

.preview-gallery {
    flex: 1;
    padding: 24px;
    overflow-y: auto;
    background: #fafafa;
    display: grid;
    gap: 16px;
    align-content: start;
}

.preview-gallery.portrait { grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); }
.preview-gallery.landscape { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
.preview-gallery.square { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }

.preview-image-item {
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    overflow: hidden;
    position: relative;
    box-shadow: var(--shadow);
    aspect-ratio: 2/3; /* Default portrait */
}

.preview-gallery.landscape .preview-image-item { aspect-ratio: 3/2; }
.preview-gallery.square .preview-image-item { aspect-ratio: 1/1; }

.preview-image-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.preview-image-label {
    position: absolute;
    bottom: 8px;
    left: 8px;
    background: rgba(0,0,0,0.7);
    color: #fff;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 11px;
}

.preview-zoom-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    background: rgba(255,255,255,0.9);
    border: none;
    width: 24px;
    height: 24px;
    border-radius: 4px;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.2s;
}

.preview-image-item:hover .preview-zoom-btn {
    opacity: 1;
}

.preview-footer {
    padding: 16px;
    border-top: 1px solid var(--border-color);
    background: #fff;
}

.empty-state {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 300px;
    color: var(--muted-text);
}

.empty-state .icon {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.2;
}

/* Memo Panel */
.memo-controls {
    padding: 12px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.count-badge {
    font-size: 12px;
    color: var(--muted-text);
}

.memo-list {
    padding: 16px;
}

.memo-item {
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 12px;
    margin-bottom: 12px;
    transition: border-color 0.2s;
}

.memo-item:hover {
    border-color: #d4d4d8;
}

.memo-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.memo-title {
    font-weight: 600;
    font-size: 13px;
}

.memo-actions button {
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--muted-text);
    padding: 2px;
}

.memo-actions button:hover {
    color: var(--text-color);
}

.memo-actions button.danger:hover {
    color: var(--danger-color);
}

.memo-summary {
    font-size: 12px;
    color: var(--muted-text);
    display: flex;
    flex-direction: column;
    gap: 2px;
}

/* Modals */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(2px);
}

.modal-content {
    background: #fff;
    width: 90%;
    max-width: 500px;
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    display: flex;
    flex-direction: column;
    max-height: 85vh;
}

.modal-content.small {
    max-width: 320px;
}

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

.modal-title-input {
    border: none;
    font-size: 16px;
    font-weight: 600;
    width: 100%;
    outline: none;
}

.modal-body {
    padding: 16px;
    overflow-y: auto;
}

.memo-char-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.memo-modal-char-header {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 6px;
}

/* Lightbox */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
}

.lightbox-content {
    position: relative;
    max-width: 90%;
    max-height: 90%;
}

.lightbox-content img {
    max-width: 100%;
    max-height: 90vh;
    border-radius: 4px;
}

.lightbox-close {
    position: absolute;
    top: -40px;
    right: 0;
    background: transparent;
    border: none;
    color: #fff;
    font-size: 24px;
    cursor: pointer;
}

/* Progress */
.progress-section {
    padding: 16px 24px;
    background: #fff;
    border-bottom: 1px solid var(--border-color);
}

.progress-bar {
    height: 4px;
    background: var(--muted-bg);
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 8px;
}

.progress-fill {
    height: 100%;
    background: var(--accent-color);
    width: 0%;
    transition: width 0.3s;
}

.progress-info {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    color: var(--muted-text);
}

/* Loading */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255,255,255,0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--muted-bg);
    border-top-color: var(--accent-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: #e4e4e7;
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: #d4d4d8;
}
/* 진행 상황 텍스트 스타일 */
.status-text {
    font-size: 13px;
    font-weight: 600;
    color: var(--accent-color);
    margin-right: 12px;
    white-space: nowrap;
    animation: textPulse 1.5s infinite ease-in-out;
}

@keyframes textPulse {
    0% { opacity: 1; }
    50% { opacity: 0.5; }
    100% { opacity: 1; }
}
/* 기존 .scroll-content 스타일을 이걸로 덮어씌우거나 수정하세요 (스크롤 해결 핵심) */
/* batch-generator.css 파일 */

/* 기존 코드를 찾아서 아래처럼 바꿔주세요 */
/* .scroll-content 클래스를 찾아서 이렇게 덮어씌우세요 */

.scroll-content {
    flex: 1;            /* 남은 공간을 다 차지함 */
    overflow-y: auto;   /* 내용이 넘치면 스크롤 생성 */
    padding: 16px;
    
    /* ★★★ 여기가 핵심입니다 ★★★ */
    min-height: 0;      /* 줄어들 수 있는 최소 크기를 0으로 설정 */
    height: 0;          /* 강제로 높이를 0으로 잡고, flex: 1이 늘려주도록 유도 (이게 없으면 내용물만큼 늘어남) */
}
/* === [추가] 개별 저장 버튼 스타일 === */
.preview-save-btn {
    position: absolute;
    top: 8px;
    /* 확대 버튼(right: 8px)과 겹치지 않게 왼쪽에 배치하거나 그 옆에 배치 */
    right: 40px; 
    background: rgba(255,255,255,0.9);
    border: none;
    width: 24px;
    height: 24px;
    border-radius: 4px;
    cursor: pointer;
    opacity: 0; /* 평소엔 숨김 */
    transition: opacity 0.2s, background-color 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
}

.preview-save-btn:hover {
    background: #fff;
    color: var(--accent-color);
}

/* 이미지 위에 마우스 올리면 저장 버튼 표시 */
.preview-image-item:hover .preview-save-btn {
    opacity: 1;
}

/* =========================
   App Shell (drawers layout)
   ========================= */
.app-shell {
    position: relative;
    height: 100vh;
    width: 100vw;
    overflow: hidden;
    background: var(--bg-color);
}

.drawer-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.35);
    z-index: 50;
}

.drawer {
    position: fixed;
    top: 0;
    bottom: 0;
    width: 340px;
    max-width: 92vw;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    box-shadow: 0 12px 28px rgba(0,0,0,0.12);
    z-index: 60;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transform: translateX(-105%);
    transition: transform 0.22s ease;
}

.drawer.drawer-left {
    left: 0;
    right: auto;
}

.drawer.drawer-right {
    right: 0;
    left: auto;
    transform: translateX(105%);
}

.drawer.is-open.drawer-left,
.drawer.is-open.drawer-right {
    transform: translateX(0);
}

.drawer-header {
    padding: 14px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(8px);
}

.drawer-title {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.main-panel {
    height: 100%;
    width: 100%;
    display: flex;
    flex-direction: column;
}

.main-topbar {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border-color);
    display: grid;
    grid-template-columns: 44px 1fr 44px;
    align-items: center;
    gap: 10px;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(8px);
    position: sticky;
    top: 0;
    z-index: 20;
}

.main-topbar-center {
    display: flex;
    align-items: center;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

.delay-slider-wrapper {
    display: flex;
    align-items: center;
    gap: 8px;
    padding-left: 10px;
    border-left: 1px solid var(--border-color);
}

.delay-slider-wrapper input[type="range"] {
    width: 100px;
    cursor: pointer;
}

.delay-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--muted-text);
}

.delay-value {
    font-size: 12px;
    font-weight: 700;
    color: var(--text-color);
    min-width: 32px;
}

.main-actions {
    padding: 12px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
    background: #fff;
}

.main-actions .input-number {
    width: 68px;
}

.main-actions .unit {
    font-size: 12px;
    color: var(--muted-text);
    margin-right: 4px;
}

.main-actions .info-text {
    font-size: 12px;
    color: var(--muted-text);
}

.char-ref {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 2px;
}

.char-ref-status {
    font-size: 10px;
    color: var(--accent-color);
}

/* =========================
   Mobile Responsive
   ========================= */
@media (max-width: 900px) {
    html, body {
        height: auto;
        overflow: auto;
    }

    .app-shell {
        height: auto;
        min-height: 100vh;
        overflow: visible;
    }

    .main-panel {
        height: auto;
        min-height: 100vh;
    }

    .preview-gallery {
        padding: 16px;
        min-height: 60vh;
    }

    .drawer {
        width: 92vw;
    }
}

@media (max-width: 520px) {
    .main-topbar {
        grid-template-columns: 40px 1fr 40px;
    }
    .delay-slider-wrapper {
        border-left: none;
        padding-left: 0;
    }
    .delay-slider-wrapper input[type="range"] {
        width: 84px;
    }
    .mode-btn {
        padding: 6px 10px;
        font-size: 12px;
    }
}