/* ═══════════════════════════════════════════════════════════════════════════
   사진 편집기 — 편집기 화면
   색은 공용 style.css 의 토큰만 씁니다. 블러 그림자 · 그라디언트는 쓰지 않습니다.
   반응형 규칙은 맨 아래에 둡니다.
   ═══════════════════════════════════════════════════════════════════════════ */

/* ── 페이지: 편집기만 꽉 차게 ─────────────────────────────────────────────── */

body.pe-page {
    overflow: hidden;
}

body.pe-page .main-content {
    max-width: none;
    padding: 0;
}

/* 바닥글 링크는 사용법 오버레이 안에 있습니다 */
body.pe-page #footer-placeholder,
body.pe-page .site-footer {
    display: none;
}

.pe-app.is-fullscreen {
    height: 100dvh;
}

/* ── 앱 셸 ────────────────────────────────────────────────────────────────── */

.pe-app {
    position: relative;
    box-sizing: border-box;
    display: grid;
    grid-template-rows: auto auto minmax(0, 1fr) auto;
    width: 100%;
    /* 프로그램처럼: 사이트 머리글 아래를 꽉 채움 (--pe-top 은 ui.js 가 머리글 높이로 설정) */
    height: calc(100dvh - var(--pe-top, 64px));
    min-height: 480px;
    overflow: hidden;
    background-color: var(--surface);
    color: var(--text);
    font-size: var(--fs-sm);
    line-height: 1.4;
}

.pe-app button,
.pe-app input,
.pe-app select,
.pe-dialog button,
.pe-dialog input,
.pe-dialog select {
    font: inherit;
}

.pe-icon {
    width: 20px;
    height: 20px;
    flex: none;
}

.pe-icon-btn {
    flex: none;
    display: inline-grid;
    place-items: center;
    width: 40px;
    height: 40px;
    padding: 0;
    color: var(--text-muted);
    background-color: transparent;
    border: 0;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background-color var(--t-fast), color var(--t-fast);
}

.pe-icon-btn:hover {
    color: var(--text);
    background-color: var(--surface-2);
}

.pe-icon-btn:focus-visible,
.pe-menu-btn:focus-visible,
.pe-menu-item:focus-visible,
.pe-history-item:focus-visible,
.pe-preset:focus-visible,
.pe-swatch:focus-visible,
.pe-canvas:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: -2px;
}

.pe-icon-btn.pe-mini {
    width: 32px;
    height: 32px;
}

/* ── 메뉴 ─────────────────────────────────────────────────────────────────── */

.pe-menubar {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-2);
    overflow-x: auto;
    border-bottom: 1px solid var(--border);
    scrollbar-width: thin;
}

.pe-menu-btn {
    flex: none;
    height: 34px;
    padding: 0 var(--space-3);
    color: var(--text);
    background-color: transparent;
    border: 0;
    border-radius: var(--radius-sm);
    cursor: pointer;
}

.pe-menu-btn:hover,
.pe-menu-btn.is-open {
    background-color: var(--surface-2);
}

.pe-menu {
    position: absolute;
    z-index: 50;
    box-sizing: border-box;
    min-width: 248px;
    max-width: calc(100% - 8px);
    padding: var(--space-1);
    overflow-y: auto;
    background-color: var(--surface);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    box-shadow: 0 3px 0 var(--border);
}

.pe-menu-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-5);
    width: 100%;
    min-height: 32px;
    padding: 0 var(--space-3);
    color: var(--text);
    text-align: left;
    background-color: transparent;
    border: 0;
    border-radius: 6px;
    cursor: pointer;
}

.pe-menu-item:hover:not([disabled]),
.pe-menu-item:focus-visible {
    background-color: var(--accent-soft);
}

.pe-menu-item[disabled] {
    color: var(--text-faint);
    cursor: default;
}

.pe-menu-key {
    color: var(--text-faint);
    font-size: var(--fs-xs);
    white-space: nowrap;
}

.pe-menu-sep {
    height: 1px;
    margin: var(--space-1) 0;
    background-color: var(--border);
}

.pe-menu-heading {
    padding: var(--space-2) var(--space-3) var(--space-1);
    color: var(--text-faint);
    font-size: var(--fs-xs);
    font-weight: 700;
}

/* 메뉴 막대 오른쪽 끝 (전체 화면 · 사용법) */
.pe-menubar-end {
    display: flex;
    flex: none;
    align-items: center;
    margin-left: auto;
}

.pe-help-btn {
    color: var(--accent);
}

.pe-menu-item.has-check {
    padding-left: var(--space-1);
}

.pe-menu-check {
    display: inline-grid;
    flex: none;
    place-items: center;
    width: 20px;
    color: var(--accent);
}

.pe-menu-check .pe-icon {
    width: 16px;
    height: 16px;
}

.pe-menu-item .pe-menu-label {
    flex: 1;
}

/* ── 옵션 막대 ────────────────────────────────────────────────────────────── */

.pe-options {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    min-height: 46px;
    padding: var(--space-1) var(--space-3);
    overflow-x: auto;
    background-color: var(--surface-2);
    border-bottom: 1px solid var(--border);
    scrollbar-width: thin;
}

.pe-opt-title {
    flex: none;
    padding-right: var(--space-3);
    font-weight: 700;
    white-space: nowrap;
    border-right: 1px solid var(--border-strong);
}

.pe-opt {
    display: flex;
    flex: none;
    align-items: center;
    gap: var(--space-2);
}

.pe-opt-label {
    color: var(--text-muted);
    font-size: var(--fs-xs);
    white-space: nowrap;
}

.pe-opt-check label {
    font-size: var(--fs-xs);
    white-space: nowrap;
    cursor: pointer;
}

.pe-opt-check input,
.pe-check input {
    width: 18px;
    height: 18px;
    margin: 0;
    accent-color: var(--accent);
}

.pe-range {
    accent-color: var(--accent);
}

.pe-opt-range {
    width: 112px;
}

.pe-opt-num,
.pe-opt-select,
.pe-rename {
    box-sizing: border-box;
    height: 32px;
    padding: 0 var(--space-2);
    color: var(--text);
    background-color: var(--surface);
    border: 1px solid var(--border-strong);
    border-radius: 6px;
}

.pe-opt-num {
    width: 68px;
}

.pe-opt-select {
    max-width: 200px;
}

.pe-segment {
    display: inline-flex;
    overflow: hidden;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
}

.pe-icon-btn.pe-seg-btn {
    width: 34px;
    height: 32px;
    border-radius: 0;
}

.pe-icon-btn[aria-pressed="true"] {
    color: var(--accent);
    background-color: var(--accent-soft);
}

.pe-opt-btn {
    flex: none;
    min-height: 32px;
    white-space: nowrap;
}

.pe-opt-note {
    flex: none;
    color: var(--text-faint);
    font-size: var(--fs-xs);
    white-space: nowrap;
}

/* ── 본문: 도구 막대 · 작업 영역 · 패널 ──────────────────────────────────── */

.pe-body {
    display: grid;
    grid-template-columns: 84px minmax(0, 1fr) 280px;
    min-height: 0;
}

.pe-toolbar {
    display: grid;
    grid-template-columns: repeat(2, 36px);
    grid-auto-rows: 36px;
    align-content: start;
    justify-content: center;
    gap: 2px;
    padding: var(--space-2) var(--space-1);
    overflow-y: auto;
    border-right: 1px solid var(--border);
    scrollbar-width: none;
}

.pe-icon-btn.pe-tool {
    width: 36px;
    height: 36px;
}

.pe-icon-btn.pe-tool.is-active {
    color: var(--accent);
    background-color: var(--accent-soft);
}

.pe-colors {
    display: flex;
    flex-direction: column;
    grid-column: 1 / -1;
    grid-row: span 3;
    align-items: center;
    gap: var(--space-1);
    padding-top: var(--space-2);
}

.pe-swatches {
    position: relative;
    flex: none;
    width: 42px;
    height: 42px;
}

.pe-swatch {
    position: absolute;
    width: 28px;
    height: 28px;
    padding: 0;
    border: 2px solid var(--surface);
    border-radius: 6px;
    outline: 1px solid var(--border-strong);
    cursor: pointer;
}

.pe-swatch-fg {
    top: 0;
    left: 0;
    z-index: 1;
}

.pe-swatch-bg {
    right: 0;
    bottom: 0;
}

.pe-color-input {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 1px;
    height: 1px;
    padding: 0;
    border: 0;
    opacity: 0;
    pointer-events: none;
}

.pe-color-actions {
    display: flex;
}

.pe-color-actions .pe-mini {
    width: 22px;
    height: 22px;
}

.pe-color-actions .pe-icon {
    width: 16px;
    height: 16px;
}

/* ── 작업 영역 ────────────────────────────────────────────────────────────── */

.pe-stage {
    position: relative;
    min-width: 0;
    min-height: 0;
    overflow: hidden;
    background-color: var(--surface-3);
    touch-action: none;
}

.pe-canvas {
    position: absolute;
    inset: 0;
    display: block;
    width: 100%;
    height: 100%;
    touch-action: none;
}

.pe-canvas.is-space {
    cursor: grab !important;
}

.pe-canvas.is-panning {
    cursor: grabbing !important;
}

.pe-start {
    position: absolute;
    inset: 0;
    z-index: 2;
    display: grid;
    place-items: center;
    padding: var(--space-4);
    overflow-y: auto;
    background-color: var(--surface-3);
}

.pe-start[hidden] {
    display: none;
}

.pe-start-card {
    box-sizing: border-box;
    display: grid;
    gap: var(--space-4);
    width: 100%;
    max-width: 540px;
    padding: var(--space-6) var(--space-5);
    text-align: center;
    background-color: var(--surface);
    border: 2px dashed var(--border-strong);
    border-radius: var(--radius-lg);
}

.pe-start-title {
    margin: 0;
    font-size: var(--fs-h3);
}

.pe-start-hint {
    margin: 0;
    color: var(--text-muted);
    font-size: var(--fs-sm);
}

.pe-start-actions,
.pe-start-presets {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-2);
}

.pe-preset {
    display: grid;
    gap: 2px;
    min-height: 40px;
    padding: var(--space-2) var(--space-3);
    color: var(--text);
    text-align: center;
    background-color: var(--surface-2);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    cursor: pointer;
}

.pe-preset:hover {
    border-color: var(--accent);
}

.pe-preset span {
    color: var(--text-muted);
    font-size: var(--fs-xs);
}

.pe-drop-hint {
    position: absolute;
    inset: var(--space-3);
    z-index: 3;
    display: none;
    place-items: center;
    color: var(--accent);
    font-weight: 700;
    background-color: var(--accent-soft);
    border: 2px dashed var(--accent);
    border-radius: var(--radius);
    pointer-events: none;
}

.pe-app.is-dragging-file .pe-drop-hint {
    display: grid;
}

/* 텍스트 편집 — 글자는 캔버스가 그리고 이 칸은 캐럿 · IME 만 맡습니다 */
.pe-text-input {
    position: absolute;
    z-index: 4;
    box-sizing: content-box;
    margin: 0;
    padding: 0;
    overflow: hidden;
    color: transparent;
    white-space: pre;
    background-color: transparent;
    border: 0;
    outline: 0;
    resize: none;
    caret-color: var(--accent);
}

.pe-text-input::selection {
    color: transparent;
    background-color: var(--accent-ring);
}

/* ── 패널 ─────────────────────────────────────────────────────────────────── */

.pe-panels {
    display: grid;
    grid-template-rows: minmax(0, 1fr) minmax(140px, 32%);
    min-height: 0;
    border-left: 1px solid var(--border);
}

.pe-panel {
    display: flex;
    flex-direction: column;
    min-height: 0;
}

.pe-history {
    border-top: 1px solid var(--border);
}

.pe-panel-title {
    margin: 0;
    padding: var(--space-3) var(--space-3) var(--space-2);
    font-size: var(--fs-sm);
    font-weight: 700;
}

.pe-panel-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-right: var(--space-2);
}

.pe-panel-head-actions {
    display: flex;
}

.pe-layer-props {
    display: grid;
    gap: var(--space-2);
    padding: 0 var(--space-3) var(--space-2);
}

.pe-layer-props .pe-opt-label {
    width: 52px;
}

.pe-layer-props .pe-opt-select,
.pe-layer-props .pe-range {
    flex: 1;
    min-width: 0;
    max-width: none;
}

.pe-layer-props .pe-opt-num {
    width: 60px;
}

.pe-layer-list {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    border-top: 1px solid var(--border);
}

.pe-layer {
    display: grid;
    grid-template-columns: 40px auto minmax(0, 1fr) 18px;
    align-items: center;
    gap: var(--space-2);
    min-height: 52px;
    padding: var(--space-1) var(--space-2);
    border-bottom: 1px solid var(--border);
    cursor: pointer;
    user-select: none;
}

.pe-layer:hover {
    background-color: var(--surface-2);
}

.pe-layer.is-active {
    background-color: var(--accent-soft);
}

.pe-layer.is-drop-target {
    box-shadow: inset 0 2px 0 var(--accent);
}

.pe-layer.is-dragging {
    opacity: 0.5;
}

.pe-thumb {
    width: 40px;
    height: 40px;
    background-color: var(--surface-3);
    border: 1px solid var(--border);
    border-radius: 4px;
}

.pe-thumbs {
    display: flex;
    gap: var(--space-1);
}

.pe-thumb {
    color: var(--text-muted);
}

.pe-layer.is-active .pe-thumb.is-target {
    outline: 2px solid var(--accent);
    outline-offset: 1px;
}

.pe-mask-thumb {
    cursor: pointer;
}

.pe-mask-thumb[hidden] {
    display: none;
}

/* 끈 마스크: 빗금 대신 흐리게 + 점선 테두리 */
.pe-mask-thumb.is-disabled {
    opacity: 0.4;
    border-style: dashed;
}

.pe-layer-name {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.pe-layer.is-hidden .pe-thumb {
    opacity: 0.4;
}

.pe-layer.is-hidden .pe-thumbs {
    display: flex;
    gap: var(--space-1);
}

.pe-thumb {
    color: var(--text-muted);
}

.pe-layer.is-active .pe-thumb.is-target {
    outline: 2px solid var(--accent);
    outline-offset: 1px;
}

.pe-mask-thumb {
    cursor: pointer;
}

.pe-mask-thumb[hidden] {
    display: none;
}

/* 끈 마스크: 빗금 대신 흐리게 + 점선 테두리 */
.pe-mask-thumb.is-disabled {
    opacity: 0.4;
    border-style: dashed;
}

.pe-layer-name {
    color: var(--text-faint);
}

.pe-layer-badge {
    color: var(--text-muted);
}

.pe-layer-badge .pe-icon {
    width: 16px;
    height: 16px;
}

.pe-rename {
    width: 100%;
}

.pe-panel-actions {
    display: flex;
    justify-content: space-around;
    padding: var(--space-1);
    border-top: 1px solid var(--border);
}

.pe-empty {
    margin: 0;
    padding: var(--space-4) var(--space-3);
    color: var(--text-faint);
}

.pe-history-list {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    border-top: 1px solid var(--border);
}

.pe-history-item {
    display: block;
    width: 100%;
    min-height: 32px;
    padding: var(--space-1) var(--space-3);
    color: var(--text);
    text-align: left;
    background-color: transparent;
    border: 0;
    cursor: pointer;
}

.pe-history-item:hover {
    background-color: var(--surface-2);
}

.pe-history-item.is-current {
    font-weight: 700;
    background-color: var(--accent-soft);
}

.pe-history-item.is-undone {
    color: var(--text-faint);
}

/* ── 상태 막대 · 알림 ─────────────────────────────────────────────────────── */

.pe-status {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    min-height: 38px;
    padding: 0 var(--space-2);
    overflow-x: auto;
    color: var(--text-muted);
    font-size: var(--fs-xs);
    white-space: nowrap;
    border-top: 1px solid var(--border);
    font-variant-numeric: tabular-nums;
}

.pe-status-group {
    display: flex;
    align-items: center;
}

.pe-status-zoom {
    min-width: 56px;
    text-align: center;
}

.pe-toasts {
    position: absolute;
    bottom: 52px;
    left: 50%;
    z-index: 60;
    display: grid;
    gap: var(--space-2);
    width: max-content;
    max-width: calc(100% - 32px);
    transform: translateX(-50%);
    pointer-events: none;
}

.pe-toast {
    padding: var(--space-2) var(--space-4);
    color: var(--bg);
    font-size: var(--fs-sm);
    background-color: var(--text);
    border-radius: var(--radius-sm);
}

/* ── 대화상자 ─────────────────────────────────────────────────────────────── */

.pe-dialog {
    box-sizing: border-box;
    width: min(440px, calc(100vw - 32px));
    max-height: calc(100dvh - 32px);
    padding: 0;
    color: var(--text);
    background-color: var(--surface);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius);
}

.pe-dialog.is-wide {
    width: min(640px, calc(100vw - 32px));
}

.pe-dialog::backdrop {
    background-color: color-mix(in srgb, var(--text) 45%, transparent);
}

.pe-dialog-form {
    display: grid;
    gap: var(--space-4);
    padding: var(--space-5);
}

.pe-dialog-title {
    margin: 0;
    font-size: var(--fs-h3);
}

.pe-dialog-body {
    display: grid;
    gap: var(--space-3);
    max-height: 60dvh;
    overflow-y: auto;
}

.pe-dialog-actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-2);
}

.pe-field {
    display: grid;
    gap: var(--space-1);
}

.pe-field label,
.pe-field-label {
    color: var(--text-muted);
    font-size: var(--fs-sm);
}

.pe-field-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3);
}

.pe-range-row {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.pe-range-row .pe-range {
    flex: 1;
    min-width: 0;
}

.pe-num {
    width: 96px;
}

.pe-range-row .pe-num {
    flex: none;
}

.pe-check {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.pe-check label {
    cursor: pointer;
}

.pe-presets {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(128px, 1fr));
    gap: var(--space-2);
}

.pe-anchor {
    display: grid;
    grid-template-columns: repeat(3, 40px);
    gap: var(--space-1);
}

.pe-anchor-cell {
    width: 40px;
    height: 40px;
    padding: 0;
    background-color: var(--surface-2);
    border: 1px solid var(--border-strong);
    border-radius: 6px;
    cursor: pointer;
}

.pe-anchor-cell[aria-checked="true"] {
    background-color: var(--accent);
    border-color: var(--accent);
}

.pe-dialog-note,
.pe-dialog-status {
    margin: 0;
    color: var(--text-faint);
    font-size: var(--fs-xs);
}

.pe-dialog-status {
    min-height: 1.2em;
}

.pe-keys {
    width: 100%;
    border-collapse: collapse;
}

.pe-keys th,
.pe-keys td {
    padding: var(--space-1) var(--space-2);
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.pe-keys td {
    color: var(--text-muted);
}

.pe-keys kbd {
    padding: 1px var(--space-2);
    font-family: var(--font-mono);
    font-size: var(--fs-xs);
    white-space: nowrap;
    background-color: var(--surface-2);
    border: 1px solid var(--border-strong);
    border-radius: 4px;
}

/* ── 곡선 편집기 ──────────────────────────────────────────────────────────── */

.pe-curve-head {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.pe-curve-chan {
    flex: 1;
}

.pe-curve {
    width: 100%;
    max-width: 320px;
    aspect-ratio: 1;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    touch-action: none;
    cursor: crosshair;
}

/* ── 사용법 오버레이 ──────────────────────────────────────────────────────── */

.pe-help {
    box-sizing: border-box;
    width: min(760px, calc(100vw - 32px));
    max-height: calc(100dvh - 48px);
    padding: 0;
    overflow-y: auto;
    color: var(--text);
    background-color: var(--surface);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-lg);
}

.pe-help::backdrop {
    background-color: color-mix(in srgb, var(--text) 45%, transparent);
}

.pe-help .pe-help-body {
    max-width: none;
    margin: 0;
    border: 0;
    border-radius: 0;
    box-shadow: none;
}

.pe-help-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
}

.pe-help-head h2 {
    margin: 0;
}

.pe-help-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-4);
    margin-top: var(--space-4);
}

/* ── 반응형 · 터치 (기본 규칙 아래에 둡니다) ─────────────────────────────── */

@media (pointer: coarse), (max-width: 900px) {
    .pe-icon-btn.pe-mini,
    .pe-icon-btn.pe-seg-btn,
    .pe-color-actions .pe-mini {
        width: 40px;
        height: 40px;
    }

    .pe-menu-btn,
    .pe-menu-item,
    .pe-history-item,
    .pe-opt-num,
    .pe-opt-select,
    .pe-opt-btn {
        min-height: 40px;
    }

    .pe-opt-check input,
    .pe-check input {
        width: 24px;
        height: 24px;
    }

    .pe-range {
        min-height: 40px;
    }

    .pe-swatches {
        width: 56px;
        height: 56px;
    }

    .pe-swatch {
        width: 40px;
        height: 40px;
    }
}

@media (max-width: 900px) {
    body.pe-page {
        overflow: auto;
    }

    .pe-app {
        grid-template-rows: auto auto auto auto;
        height: auto;
    }

    .pe-body {
        grid-template-columns: minmax(0, 1fr);
        grid-template-rows: auto clamp(340px, 62dvh, 720px) auto;
    }

    .pe-toolbar {
        display: flex;
        flex-direction: row;
        justify-content: flex-start;
        padding: var(--space-1) var(--space-2);
        overflow-x: auto;
        overflow-y: hidden;
        border-right: 0;
        border-bottom: 1px solid var(--border);
    }

    .pe-icon-btn.pe-tool {
        width: 40px;
        height: 40px;
    }

    .pe-colors {
        flex-direction: row;
        margin-top: 0;
        margin-left: auto;
        padding-top: 0;
        padding-left: var(--space-2);
    }

    .pe-panels {
        grid-template-rows: auto auto;
        border-top: 1px solid var(--border);
        border-left: 0;
    }

    .pe-layer-list {
        max-height: 260px;
    }

    .pe-history-list {
        max-height: 180px;
    }

    .pe-field-grid {
        grid-template-columns: 1fr;
    }
}