/* =========================================================
   ドットにしちゃお  —  UI Theme
   丸ゴシック / かわいい / でも安っぽくない
   ※ JS が参照するクラス・ID は変更していません
   ========================================================= */

:root {
    --bg-color: #FBF3E8;
    --pane-bg: #FFFFFF;
    --inset-bg: #FBF4EC;
    --text-color: #4B4047;
    --muted-color: #9C8E86;
    --border-color: #F0E2D1;
    --border-strong: #E7D4BF;

    --primary-color: #FF8A5C;
    --primary-light: #FF9C6E;
    --primary-hover: #F2734A;
    --primary-soft: #FFEBDF;
    --primary-ring: rgba(255, 138, 92, 0.28);

    --accent-color: #29B2A4;
    --accent-soft: #E2F5F2;

    --danger-color: #E25C49;
    --danger-hover: #C9402C;
    --success-color: #2EA86B;

    --slider-bg: #F0DFCB;
    --checkerboard-color1: #ECE0D2;
    --checkerboard-color2: #ffffff;
    --grid-color: rgba(150, 130, 120, 0.45);
    --selection-color: rgba(255, 138, 92, 0.30);
    --selection-border: #FF8A5C;

    --radius-lg: 18px;
    --radius-md: 12px;
    --radius-sm: 9px;
    --shadow-pane: 0 6px 22px rgba(120, 90, 60, 0.08);
    --shadow-soft: 0 2px 8px rgba(120, 90, 60, 0.10);
}

[data-theme="dark"] {
    --bg-color: #292330;
    --pane-bg: #342E3C;
    --inset-bg: #2E2834;
    --text-color: #EEE4EE;
    --muted-color: #A99CAB;
    --border-color: #463E50;
    --border-strong: #564C61;

    --primary-color: #FF9469;
    --primary-light: #FFA67E;
    --primary-hover: #FFA988;
    --primary-soft: #4A3A3B;
    --primary-ring: rgba(255, 148, 105, 0.30);

    --accent-color: #38C3B4;
    --accent-soft: #2C4744;

    --danger-color: #F47A6B;
    --danger-hover: #FF9384;
    --success-color: #6CD79E;

    --slider-bg: #4B4256;
    --checkerboard-color1: #3A3343;
    --checkerboard-color2: #463E50;
    --grid-color: rgba(190, 180, 200, 0.40);
    --selection-color: rgba(255, 148, 105, 0.32);
    --selection-border: #FF9469;

    --shadow-pane: 0 6px 22px rgba(0, 0, 0, 0.30);
    --shadow-soft: 0 2px 8px rgba(0, 0, 0, 0.30);
}

@media (prefers-color-scheme: dark) {
    [data-theme="system"] {
        --bg-color: #292330;
        --pane-bg: #342E3C;
        --inset-bg: #2E2834;
        --text-color: #EEE4EE;
        --muted-color: #A99CAB;
        --border-color: #463E50;
        --border-strong: #564C61;

        --primary-color: #FF9469;
        --primary-light: #FFA67E;
        --primary-hover: #FFA988;
        --primary-soft: #4A3A3B;
        --primary-ring: rgba(255, 148, 105, 0.30);

        --accent-color: #38C3B4;
        --accent-soft: #2C4744;

        --danger-color: #F47A6B;
        --danger-hover: #FF9384;
        --success-color: #6CD79E;

        --slider-bg: #4B4256;
        --checkerboard-color1: #3A3343;
        --checkerboard-color2: #463E50;
        --grid-color: rgba(190, 180, 200, 0.40);
        --selection-color: rgba(255, 148, 105, 0.32);
        --selection-border: #FF9469;

        --shadow-pane: 0 6px 22px rgba(0, 0, 0, 0.30);
        --shadow-soft: 0 2px 8px rgba(0, 0, 0, 0.30);
    }
}

/* ===================== Color palettes (配色バージョン) ===================== */
/* あんず (default) = base :root values */

/* ラベンダー */
html[data-palette="lavender"] {
    --primary-color: #9B7BE0;
    --primary-light: #B49AEC;
    --primary-hover: #8763D6;
    --primary-soft: #EFE8FB;
    --primary-ring: rgba(155, 123, 224, 0.28);
    --accent-color: #E08AB0;
    --accent-soft: #FBE9F2;
    --selection-color: rgba(155, 123, 224, 0.30);
    --selection-border: #9B7BE0;
}
html[data-palette="lavender"][data-theme="dark"] {
    --primary-color: #B49AEC;
    --primary-light: #C6B2F2;
    --primary-hover: #C6B2F2;
    --primary-soft: #3E3550;
    --primary-ring: rgba(180, 154, 236, 0.32);
    --selection-color: rgba(180, 154, 236, 0.32);
    --selection-border: #B49AEC;
}
@media (prefers-color-scheme: dark) {
    html[data-palette="lavender"][data-theme="system"] {
        --primary-color: #B49AEC;
        --primary-light: #C6B2F2;
        --primary-hover: #C6B2F2;
        --primary-soft: #3E3550;
        --primary-ring: rgba(180, 154, 236, 0.32);
        --selection-color: rgba(180, 154, 236, 0.32);
        --selection-border: #B49AEC;
    }
}

/* いちご */
html[data-palette="strawberry"] {
    --primary-color: #FF6FA5;
    --primary-light: #FF8BB8;
    --primary-hover: #F25490;
    --primary-soft: #FFE6F0;
    --primary-ring: rgba(255, 111, 165, 0.28);
    --accent-color: #4FC4A8;
    --accent-soft: #E5F6F0;
    --selection-color: rgba(255, 111, 165, 0.30);
    --selection-border: #FF6FA5;
}
html[data-palette="strawberry"][data-theme="dark"] {
    --primary-color: #FF85B4;
    --primary-light: #FF9DC4;
    --primary-hover: #FF9DC4;
    --primary-soft: #50343F;
    --primary-ring: rgba(255, 133, 180, 0.32);
    --selection-color: rgba(255, 133, 180, 0.32);
    --selection-border: #FF85B4;
}
@media (prefers-color-scheme: dark) {
    html[data-palette="strawberry"][data-theme="system"] {
        --primary-color: #FF85B4;
        --primary-light: #FF9DC4;
        --primary-hover: #FF9DC4;
        --primary-soft: #50343F;
        --primary-ring: rgba(255, 133, 180, 0.32);
        --selection-color: rgba(255, 133, 180, 0.32);
        --selection-border: #FF85B4;
    }
}

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

body {
    font-family: 'M PLUS Rounded 1c', 'Hiragino Maru Gothic ProN', 'Quicksand',
                 'Segoe UI', 'Yu Gothic UI', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
    -webkit-font-smoothing: antialiased;
}

/* ===================== Header / Logo ===================== */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    padding: 11px 22px;
    background-color: var(--pane-bg);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 2px 10px rgba(120, 90, 60, 0.05);
    z-index: 10;
}

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

.brand-logo {
    width: 46px;
    height: 46px;
    border-radius: 13px;
    background: linear-gradient(150deg, var(--primary-light), var(--primary-color));
    box-shadow: 0 4px 12px var(--primary-ring), inset 0 -3px 0 rgba(0,0,0,0.07);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transform: rotate(-4deg);
}

.pixel-chick {
    display: grid;
    grid-template-columns: repeat(2, 9px);
    grid-template-rows: repeat(2, 9px);
    gap: 3px;
}

.px {
    width: 9px;
    height: 9px;
    border-radius: 2px;
    background: #fff;
}
.px2 { background: #FFE0A8; }
.px3 { background: #FFE0A8; }

.brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.app-title {
    font-size: 1.55rem;
    font-weight: 800;
    letter-spacing: 0.02em;
    color: var(--text-color);
}

.app-title .title-accent {
    color: var(--primary-color);
}

.app-tagline {
    font-size: 0.74rem;
    font-weight: 500;
    color: var(--muted-color);
    margin-top: 2px;
}

.hero-sample {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-left: auto;
    margin-right: 8px;
    padding: 6px 12px 6px 14px;
    background: var(--inset-bg);
    border: 1px solid var(--border-color);
    border-radius: 999px;
    box-shadow: var(--shadow-soft);
    cursor: pointer;
    transform-origin: top right;
    transition: transform 0.25s cubic-bezier(0.34, 1.3, 0.64, 1), box-shadow 0.25s ease, border-radius 0.25s ease;
}

.hero-sample:hover {
    border-color: var(--primary-color);
}

.hero-sample.expanded {
    transform: scale(2.7);
    z-index: 600;
    border-radius: 14px;
    box-shadow: 0 18px 44px rgba(40, 30, 20, 0.32);
}

.hero-sample-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 3px;
}

.hero-sample-toprow {
    display: flex;
    align-items: center;
    gap: 6px;
}

.hero-sample-badge {
    font-size: 0.6rem;
    font-weight: 800;
    color: #fff;
    background: var(--accent-color);
    padding: 2px 8px;
    border-radius: 999px;
    letter-spacing: 0.1em;
}

.hero-sample-hint {
    font-size: 0.6rem;
    font-weight: 600;
    color: var(--muted-color);
    white-space: nowrap;
    cursor: pointer;
}

.hero-sample-label {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-color);
    white-space: nowrap;
    cursor: pointer;
}

.hero-sample img {
    height: 46px;
    width: auto;
    border-radius: 10px;
    background: #fff;
    display: block;
}

.top-switches {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: 14px;
}

.help-header-btn,
.feedback-header-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 7px 12px;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    background-color: var(--inset-bg);
    color: var(--text-color);
    text-decoration: none;
    font-family: inherit;
    font-size: 0.78rem;
    font-weight: 700;
    white-space: nowrap;
    cursor: pointer;
}

.help-header-btn:hover,
.feedback-header-link:hover {
    border-color: var(--primary-color);
    background-color: var(--primary-soft);
    color: var(--primary-color);
}

.header-btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1em;
    font-weight: 800;
    line-height: 1;
}
.switch-field {
    font-size: 0.74rem;
    font-weight: 700;
    color: var(--muted-color);
    display: flex;
    align-items: center;
    gap: 6px;
}

.top-switches select {
    padding: 6px 9px;
    background-color: var(--inset-bg);
    color: var(--text-color);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-weight: 600;
    cursor: pointer;
}
.top-switches select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-ring);
}

/* ===================== Layout ===================== */
.container {
    display: grid;
    grid-template-columns: 1fr 1fr 1.5fr;
    gap: 16px;
    padding: 16px;
    flex: 1;
    overflow: hidden;
}

.site-footer {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    padding: 8px 16px;
    background-color: var(--pane-bg);
    border-top: 1px solid var(--border-color);
    color: var(--muted-color);
    font-size: 0.78rem;
    font-weight: 600;
}

.site-footer-note {
    color: var(--text-color);
    opacity: 0.78;
}

.site-footer-links {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.site-footer-links a {
    color: var(--muted-color);
    text-decoration: none;
}

.site-footer-links a:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

body.edit-expanded .container {
    grid-template-columns: minmax(170px, 0.55fr) minmax(190px, 0.55fr) minmax(0, 2.9fr);
    gap: 12px;
}

body.edit-expanded .col-left,
body.edit-expanded .col-center {
    padding: 12px;
}

body.edit-expanded .col-left h2,
body.edit-expanded .col-center h2 {
    font-size: 0.92rem;
    margin-bottom: 10px;
    padding-bottom: 8px;
}

body.edit-expanded .col-right {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(270px, 340px);
    grid-template-rows: auto auto auto minmax(clamp(460px, 62vh, 760px), 1fr) auto auto auto auto auto;
    align-items: start;
    gap: 10px 12px;
}

body.edit-expanded .col-right h2,
body.edit-expanded .col-right .toolbar,
body.edit-expanded .col-right .right-click-hint {
    grid-column: 1 / -1;
}

body.edit-expanded .edit-canvas-wrapper {
    grid-column: 1;
    grid-row: 4;
    min-height: clamp(460px, 62vh, 760px);
    height: 100%;
    margin: 0;
}

body.edit-expanded .edit-scale-panel,
body.edit-expanded .edit-status,
body.edit-expanded .edit-options,
body.edit-expanded .palette-container,
body.edit-expanded .color-select-panel,
body.edit-expanded .export-container {
    grid-column: 2;
}

body.edit-expanded .edit-status {
    grid-row: 4;
    padding-top: 0;
}

body.edit-expanded .edit-scale-panel {
    grid-column: 1;
    grid-row: 5;
    margin-top: 10px;
    margin-bottom: 0;
    padding: 10px 12px;
}

body.edit-expanded .edit-options {
    grid-row: 6;
}

body.edit-expanded .palette-container {
    grid-row: 7;
    min-height: 0;
}

body.edit-expanded .color-select-panel {
    grid-row: 8;
}

body.edit-expanded .export-container {
    grid-row: 9;
}

body.edit-expanded .controls-group {
    margin-bottom: 0;
}

.pane {
    background-color: var(--pane-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 18px;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    box-shadow: var(--shadow-pane);
}

.pane h2 {
    font-size: 1.12rem;
    font-weight: 800;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 2px dashed var(--border-strong);
    display: flex;
    align-items: center;
    gap: 10px;
}

.step-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 9px;
    background: var(--primary-color);
    color: #fff;
    font-size: 1rem;
    font-weight: 800;
    box-shadow: 0 3px 0 rgba(0,0,0,0.06), 0 4px 10px var(--primary-ring);
    flex-shrink: 0;
}

/* ===================== Preview canvases ===================== */
.preview-container {
    flex: 1;
    min-height: 200px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    background-color: var(--inset-bg);
    margin-bottom: 12px;
    position: relative;
    user-select: none;
}

.selection-box {
    position: absolute;
    border: 1.5px solid var(--selection-border);
    background-color: var(--selection-color);
    border-radius: 4px;
    pointer-events: none;
    z-index: 10;
}

.preview-wrapper {
    display: flex;
    flex-direction: column;
    flex: 1;
    max-height: 50vh;
}

.checkerboard {
    background-image:
        linear-gradient(45deg, var(--checkerboard-color1) 25%, transparent 25%),
        linear-gradient(-45deg, var(--checkerboard-color1) 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, var(--checkerboard-color1) 75%),
        linear-gradient(-45deg, transparent 75%, var(--checkerboard-color1) 75%);
    background-size: 20px 20px;
    background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
    background-color: var(--checkerboard-color2);
}

canvas {
    max-width: 100%;
    max-height: 400px;
    object-fit: contain;
}

.pixelated {
    image-rendering: pixelated;
    image-rendering: -moz-crisp-edges;
    image-rendering: crisp-edges;
}

.info-panel p {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--muted-color);
    margin-bottom: 12px;
}
.info-panel span { color: var(--text-color); font-weight: 700; }

/* ===================== Control groups ===================== */
.controls-group {
    background-color: var(--inset-bg);
    padding: 14px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    margin-bottom: 14px;
}

.controls-group h3 {
    font-size: 0.95rem;
    font-weight: 800;
    margin-bottom: 12px;
    color: var(--text-color);
}

.control-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
}

.control-row-vertical {
    display: flex;
    flex-direction: column;
    margin-bottom: 12px;
}

.control-row-vertical label {
    font-size: 0.88rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.control-row label {
    font-size: 0.88rem;
    font-weight: 600;
}

.checkbox-label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
}

input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--primary-color);
    cursor: pointer;
}

input[type="number"], select {
    width: 82px;
    padding: 6px 8px;
    background-color: var(--pane-bg);
    color: var(--text-color);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-weight: 600;
    text-align: center;
}
select { text-align: left; cursor: pointer; }

input[type="number"]:focus, select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-ring);
}

/* Range sliders */
input[type="range"] {
    width: 100%;
    margin-bottom: 14px;
    -webkit-appearance: none;
    appearance: none;
    height: 8px;
    border-radius: 999px;
    background: var(--slider-bg);
    cursor: pointer;
}
input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary-color);
    border: 3px solid var(--pane-bg);
    box-shadow: 0 2px 6px var(--primary-ring);
}
input[type="range"]::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--primary-color);
    border: 3px solid var(--pane-bg);
    box-shadow: 0 2px 6px var(--primary-ring);
}

/* ===================== Buttons ===================== */
button {
    padding: 9px 14px;
    border-radius: var(--radius-sm);
    background-color: var(--pane-bg);
    color: var(--text-color);
    border: 1px solid var(--border-strong);
    cursor: pointer;
    font-size: 0.88rem;
    font-family: inherit;
    font-weight: 600;
    transition: all 0.15s ease;
}

button:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-1px);
}

button.primary-btn {
    background: linear-gradient(150deg, var(--primary-light), var(--primary-color));
    color: white;
    border: none;
    font-weight: 800;
    font-size: 1rem;
    padding: 14px;
    margin-top: auto;
    border-radius: var(--radius-md);
    box-shadow: 0 4px 0 rgba(0,0,0,0.07), 0 6px 16px var(--primary-ring);
}

button.primary-btn:hover {
    filter: brightness(1.04);
    color: #fff;
    transform: translateY(-1px);
}
button.primary-btn:active {
    transform: translateY(2px);
    box-shadow: 0 1px 0 rgba(0,0,0,0.07), 0 2px 8px var(--primary-ring);
}

button.danger-btn {
    background-color: var(--pane-bg);
    color: var(--danger-color);
    border-color: var(--danger-color);
}
button.danger-btn:hover {
    background-color: var(--danger-color);
    color: white;
    border-color: var(--danger-color);
}

/* ===================== Background controls ===================== */
.bg-controls {
    display: flex;
    flex-direction: column;
}

.bg-status {
    font-size: 0.82rem;
    font-weight: 600;
    margin-bottom: 10px;
    padding: 7px 10px;
    background-color: var(--pane-bg);
    border-radius: var(--radius-sm);
    border-left: 4px solid var(--primary-color);
}
.bg-status span { font-weight: 800; color: var(--primary-color); }

.bg-action-buttons {
    display: flex;
    flex-direction: column;
    gap: 7px;
    margin-bottom: 12px;
}

.bg-tool-btn {
    text-align: left;
    padding: 10px 12px;
    font-size: 0.88rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}
.bg-tool-btn:hover {
    background-color: var(--primary-soft);
    color: var(--text-color);
}

.bg-tool-btn.active-tool {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}
.bg-tool-btn.active-tool:hover {
    color: white;
    background-color: var(--primary-hover);
}

.bg-undo-row {
    display: flex;
    gap: 6px;
    margin-top: 4px;
    width: 100%;
}
.bg-undo-row .danger-btn { flex: 1; }

.secondary-btn.icon-btn {
    padding: 6px 9px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

/* ===================== Segmented control ===================== */
.segmented-control {
    display: flex;
    width: 100%;
    border: 1.5px solid var(--border-strong);
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: var(--pane-bg);
}

.segmented-control button {
    flex: 1;
    border: none;
    border-radius: 0;
    border-right: 1px solid var(--border-color);
    background-color: var(--pane-bg);
    color: var(--text-color);
    padding: 8px 2px;
    font-size: 0.78rem;
    font-weight: 600;
    margin: 0;
}
.segmented-control button:hover {
    background-color: var(--primary-soft);
    color: var(--text-color);
    transform: none;
}
.segmented-control button:last-child { border-right: none; }

.segmented-control button.active {
    background-color: var(--primary-color);
    color: white;
    font-weight: 800;
}

/* ===================== Preview bg switcher ===================== */
.preview-bg-switcher {
    display: flex;
    gap: 5px;
    margin-bottom: 10px;
}

.preview-bg-switcher button {
    flex: 1;
    padding: 6px 4px;
    font-size: 0.8rem;
    font-weight: 600;
}
.preview-bg-switcher button:hover { transform: none; }

.preview-bg-switcher button.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* ===================== Editor toolbar ===================== */
.toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: stretch;
    margin-bottom: 12px;
    background-color: var(--inset-bg);
    padding: 9px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    position: relative;
}

.editor-heading {
    justify-content: space-between;
    align-items: center;
}

.edit-expand-toggle {
    margin-left: auto;
    white-space: nowrap;
    font-size: 0.82rem;
}

.brush-size-controls {
    flex: 1 1 300px;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 8px;
    min-width: 260px;
    margin-left: auto;
    padding: 6px 8px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--pane-bg);
}

.brush-size-field {
    display: inline-grid;
    grid-template-columns: auto 82px 34px;
    align-items: center;
    gap: 6px;
    color: var(--text-color);
    font-size: 0.76rem;
    font-weight: 800;
    white-space: nowrap;
}

.brush-size-field input[type="range"] {
    width: 82px;
    min-width: 82px;
    height: 6px;
    margin: 0;
}

.brush-size-field input[type="range"]::-webkit-slider-thumb {
    width: 16px;
    height: 16px;
}

.brush-size-field input[type="range"]::-moz-range-thumb {
    width: 14px;
    height: 14px;
}

.brush-size-value {
    color: var(--primary-color);
    font-weight: 800;
    text-align: right;
    font-variant-numeric: tabular-nums;
}

.color-select-panel {
    background: var(--pane-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 0;
    box-shadow: 0 6px 24px rgba(0,0,0,0.25);
    display: flex;
    flex-direction: column;
    margin-top: 10px;
    overflow: visible;
    width: min(720px, 100%);
    max-width: 100%;
}

.csp-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 14px 8px;
    border-bottom: 1px solid var(--border-color);
}

.csp-header h4 {
    margin: 0;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-color);
}

.csp-header-actions {
    display: flex;
    gap: 6px;
    align-items: center;
}

.csp-pin-btn {
    font-size: 0.78rem;
    padding: 3px 10px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    background: var(--pane-bg);
    color: var(--text-color);
    cursor: pointer;
    transition: all 0.15s;
}

.csp-pin-btn.pinned {
    background: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
}

.csp-close-btn {
    font-size: 1rem;
    width: 28px;
    height: 28px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    background: var(--pane-bg);
    color: var(--text-color);
    cursor: pointer;
    transition: background 0.15s;
}

.csp-close-btn:hover {
    background: var(--danger-color);
    color: #fff;
}

.color-select-panel .fixed-palette-grid {
    display: grid;
    grid-template-columns: repeat(24, minmax(16px, 1fr));
    gap: 3px;
    padding: 10px 12px 12px;
    max-height: none;
    overflow: visible;
    margin: 0;
}

.fixed-palette-grid .palette-color,
.fixed-swatch {
    width: auto;
    min-width: 16px;
    height: 18px;
    border-radius: 3px;
    border: 1px solid rgba(0,0,0,0.12);
    box-shadow: none;
    cursor: pointer;
    transition: transform 0.1s, box-shadow 0.1s;
}

.fixed-palette-grid .palette-color:hover,
.fixed-swatch:hover {
    transform: scale(1.18);
    z-index: 2;
    box-shadow: 0 0 0 2px var(--primary-color);
    border-color: var(--primary-color);
}

body.edit-expanded .color-select-panel {
    width: 100%;
    min-width: 0;
    max-width: 100%;
    overflow: hidden;
}

body.edit-expanded .color-select-panel .fixed-palette-grid {
    grid-template-columns: repeat(16, minmax(0, 1fr));
    gap: 2px;
    padding: 8px 10px 10px;
    width: 100%;
    min-width: 0;
    max-width: 100%;
    overflow: visible;
}

body.edit-expanded .fixed-palette-grid .palette-color,
body.edit-expanded .fixed-swatch {
    min-width: 0;
    height: 16px;
    border-radius: 2px;
}

body.edit-expanded .fixed-palette-grid .palette-color:hover,
body.edit-expanded .fixed-swatch:hover {
    transform: scale(1.14);
}

body.edit-expanded .csp-footer {
    gap: 8px;
    min-width: 0;
}

.csp-footer {
    padding: 8px 12px 10px;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 14px;
    align-items: flex-start;
}

.csp-footer-section {
    flex: 1;
    min-width: 0;
}

.csp-label {
    font-size: 0.78rem;
    color: var(--text-color);
    opacity: 0.6;
    margin-bottom: 4px;
    display: block;
}

.csp-free-row {
    flex: 0 0 auto;
    display: flex;
    flex-direction: column;
}

.csp-free-row .panel-free-color-input {
    width: 50px;
    height: 28px;
    padding: 0;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    background: transparent;
}

.csp-footer .palette-grid {
    max-height: 52px;
    overflow-y: auto;
    gap: 3px;
    margin-bottom: 0;
}

.tool-group {
    display: contents;
}

.tool-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    width: 58px;
    padding: 7px 2px 6px;
    background-color: var(--pane-bg);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    color: var(--text-color);
    line-height: 1;
}
.tool-btn:hover {
    background-color: var(--primary-soft);
    color: var(--text-color);
    border-color: var(--primary-color);
    transform: translateY(-1px);
}

.tool-label {
    font-size: 0.66rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.tool-btn.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    box-shadow: 0 3px 8px var(--primary-ring);
}
.tool-btn.active:hover {
    background-color: var(--primary-hover);
    color: white;
}

#toolColorPicker,
#toolSelectRect,
#toolSelectLasso,
#toolMoveSelection,
#toolClearSelection,
#toolFillSelection,
#replaceColorBtn {
    display: none !important;
}

.divider {
    width: 1.5px;
    align-self: stretch;
    background-color: var(--border-strong);
    border-radius: 2px;
    margin: 2px 1px;
}

/* ===================== Edit canvas ===================== */
.edit-canvas-wrapper {
    flex: 1;
    position: relative;
    display: flex;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: auto;
    min-height: 300px;
    background-color: var(--inset-bg);
    cursor: crosshair;
}

.edit-canvas-wrapper.panning { cursor: grab; }
.edit-canvas-wrapper.grabbing { cursor: grabbing; }

.edit-stage {
    position: relative;
    flex: 0 0 auto;
    margin: auto;
}

#editCanvas {
    position: relative;
    display: block;
    max-width: none;
    max-height: none;
    object-fit: fill;
}

#gridCanvas, #selectionOverlayCanvas {
    position: absolute;
    top: 0;
    left: 0;
    max-width: none;
    max-height: none;
    object-fit: fill;
    pointer-events: none;
}

.edit-status {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px 12px;
    padding: 7px 2px;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--muted-color);
}
#cursorPos { font-family: 'SFMono-Regular', Consolas, monospace; }

.cursor-color-readout {
    display: flex;
    align-items: center;
    gap: 7px;
}

.color-preview-box {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 1px solid var(--border-strong);
    border-radius: 6px;
    vertical-align: middle;
}

.color-preview-box.is-transparent {
    background-image:
        linear-gradient(45deg, var(--checkerboard-color1) 25%, transparent 25%),
        linear-gradient(-45deg, var(--checkerboard-color1) 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, var(--checkerboard-color1) 75%),
        linear-gradient(-45deg, transparent 75%, var(--checkerboard-color1) 75%);
    background-size: 10px 10px;
    background-position: 0 0, 0 5px, 5px -5px, -5px 0;
    background-color: var(--checkerboard-color2);
}

.brush-size-readout {
    display: none;
    color: var(--primary-color);
    font-weight: 800;
    font-variant-numeric: tabular-nums;
}

.tool-hint {
    margin: -4px 2px 8px;
    color: var(--muted-color);
    font-size: 0.78rem;
    font-weight: 600;
    line-height: 1.4;
}

.right-click-hint {
    padding: 0 2px;
}

.edit-scale-panel {
    margin-top: 10px;
    margin-bottom: 10px;
    padding: 10px 12px;
}

.edit-scale-panel .scale-field {
    margin-top: 0;
}
.edit-options {
    display: flex;
    justify-content: flex-start;
    align-items: flex-start;
    gap: 10px;
    flex-wrap: wrap;
}
.edit-options label {
    font-size: 0.85rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.edit-bg-control {
    flex: 1 1 100%;
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.option-label {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-color);
}

.edit-bg-switcher {
    flex: 1 1 220px;
    max-width: 340px;
    margin: 0;
}

.edit-toggle-row {
    flex: 1 1 100%;
    display: flex;
    justify-content: flex-start;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
}

.scale-field {
    flex: 1 1 100%;
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 4px;
}
.scale-field input[type="range"] {
    flex: 1;
    margin: 0;
    min-width: 90px;
}
.scale-readout {
    font-weight: 800;
    color: var(--primary-color);
    min-width: 34px;
    text-align: right;
    font-variant-numeric: tabular-nums;
}

/* ===================== Palette ===================== */
.palette-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 12px;
    max-height: 150px;
    overflow-y: auto;
    padding: 2px;
}

.palette-color {
    width: 26px;
    height: 26px;
    border: 2px solid var(--pane-bg);
    box-shadow: 0 0 0 1px var(--border-strong);
    cursor: pointer;
    border-radius: 7px;
    transition: transform 0.1s;
}

.palette-color:hover {
    transform: scale(1.14);
}

.palette-color.selected {
    border: 2px solid var(--pane-bg);
    box-shadow: 0 0 0 2.5px var(--primary-color);
    transform: scale(1.1);
}

.palette-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-start;
    align-items: center;
    gap: 8px;
}
.palette-actions label {
    font-size: 0.85rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 7px;
}

.palette-actions .gradient-color-button,
.palette-actions #openColorPaletteBtn {
    min-height: 34px;
    margin: 0;
    padding: 7px 12px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-strong);
    background: var(--pane-bg);
    color: var(--text-color);
    box-shadow: var(--shadow-soft);
    cursor: pointer;
    font-size: 0.84rem;
    font-weight: 800;
    line-height: 1;
}

.palette-actions .gradient-color-button:hover,
.palette-actions #openColorPaletteBtn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-1px);
}

.palette-actions .gradient-color-button input[type="color"] {
    width: 26px;
    height: 22px;
    padding: 1px;
    border-radius: 6px;
}

.current-color-preview {
    flex: 0 0 auto;
}

.current-color-text {
    min-width: 52px;
    color: var(--muted-color);
    font-size: 0.78rem;
    font-weight: 800;
    font-variant-numeric: tabular-nums;
}

input[type="color"] {
    width: 38px;
    height: 30px;
    padding: 2px;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    background: var(--pane-bg);
    cursor: pointer;
}

/* ===================== Export buttons ===================== */
.action-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.action-buttons button, .action-buttons label.button-label {
    flex: 1 1 calc(50% - 5px);
    text-align: center;
}

.button-label {
    padding: 9px 14px;
    border-radius: var(--radius-sm);
    background-color: var(--pane-bg);
    color: var(--text-color);
    border: 1px solid var(--border-strong);
    cursor: pointer;
    font-size: 0.88rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s ease;
}

.button-label:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-1px);
}


.usage-guide-overlay {
    position: fixed;
    inset: 0;
    z-index: 2200;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background-color: rgba(60, 45, 35, 0.45);
    backdrop-filter: blur(3px);
}

.usage-guide-panel {
    width: min(680px, calc(100vw - 32px));
    max-height: calc(100vh - 48px);
    overflow-y: auto;
    background-color: var(--pane-bg);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: 0 18px 50px rgba(40, 30, 20, 0.28);
    padding: 24px;
}

.usage-guide-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 12px;
}

.usage-guide-head h2 {
    margin: 0;
    font-size: 1.35rem;
    color: var(--text-color);
}

.usage-guide-close {
    flex-shrink: 0;
    padding: 7px 12px;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    background-color: var(--inset-bg);
    color: var(--text-color);
    font-family: inherit;
    font-size: 0.85rem;
    font-weight: 700;
    cursor: pointer;
}

.usage-guide-close:hover {
    border-color: var(--primary-color);
    background-color: var(--primary-soft);
    color: var(--primary-color);
}

.usage-guide-safety {
    margin: 0 0 16px;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    background-color: var(--accent-soft);
    color: var(--text-color);
    font-size: 0.9rem;
    font-weight: 700;
    line-height: 1.6;
}

.usage-guide-list {
    display: grid;
    gap: 10px;
    margin: 0;
    padding-left: 1.35em;
}

.usage-guide-list li {
    padding-left: 4px;
    line-height: 1.65;
}

.usage-guide-list strong {
    display: block;
    color: var(--primary-color);
    font-size: 0.98rem;
    margin-bottom: 2px;
}

.usage-guide-list span {
    display: block;
    font-size: 0.9rem;
    color: var(--text-color);
}

/* ===================== Overlays / Dialog ===================== */
.overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(60, 45, 35, 0.45);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: white;
    font-size: 1.5rem;
    pointer-events: none;
}

.overlay button {
    margin-top: 20px;
    font-size: 1rem;
    pointer-events: auto;
}

.dialog-overlay {
    background-color: rgba(60, 45, 35, 0.55);
    backdrop-filter: blur(3px);
    pointer-events: auto;
}

.dialog {
    background-color: var(--pane-bg);
    color: var(--text-color);
    padding: 30px;
    border-radius: var(--radius-lg);
    max-width: 420px;
    text-align: center;
    box-shadow: 0 18px 50px rgba(0,0,0,0.3);
    border: 1px solid var(--border-color);
}

.dialog p {
    margin-bottom: 22px;
    line-height: 1.7;
    font-weight: 500;
    font-size: 1.05rem;
}
.dialog strong { color: var(--danger-color); }

.dialog-buttons {
    display: flex;
    justify-content: center;
    gap: 12px;
}
.dialog-buttons .primary-btn { margin-top: 0; padding: 12px 26px; }
.dialog-buttons button { font-size: 0.95rem; }

.hidden { display: none !important; }

/* ===================== Helper / Guides ===================== */
.reflect-help-text {
    font-size: 0.78rem;
    color: var(--muted-color);
    font-weight: 500;
    text-align: center;
    margin-top: 8px;
    line-height: 1.5;
}

.empty-guide {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    background-color: var(--pane-bg);
    padding: 26px 28px;
    border-radius: var(--radius-lg);
    pointer-events: none;
    box-shadow: 0 8px 28px rgba(60, 45, 35, 0.28);
    border: 1.5px dashed var(--primary-color);
    color: var(--text-color);
    width: 82%;
    max-width: 360px;
    z-index: 5;
}

[data-theme="dark"] .empty-guide {
    box-shadow: 0 8px 28px rgba(0,0,0,0.55);
}

.empty-guide-icon {
    color: var(--primary-color);
    margin-bottom: 8px;
}

.empty-guide .main-guide {
    font-size: 1.12rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 10px;
}
.empty-guide .sub-guide {
    font-size: 0.92rem;
    font-weight: 700;
    margin-top: 8px;
    color: var(--text-color);
    opacity: 1;
}
.empty-guide .tiny-guide {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-color);
    opacity: 0.95;
    margin-top: 10px;
    line-height: 1.6;
}

.global-drag-overlay {
    background-color: rgba(255, 138, 92, 0.18);
    border: 5px dashed var(--primary-color);
    box-sizing: border-box;
    z-index: 2000;
}

.drag-message {
    font-size: 1.7rem;
    font-weight: 800;
    color: var(--primary-color);
    background-color: var(--pane-bg);
    padding: 28px 48px;
    border-radius: var(--radius-lg);
    box-shadow: 0 12px 40px rgba(0,0,0,0.2);
}

button:disabled, .tool-btn:disabled, .button-label.disabled {
    opacity: 0.45;
    cursor: not-allowed;
    background-color: var(--inset-bg);
    border-color: var(--border-color);
    color: var(--muted-color);
    transform: none !important;
    box-shadow: none;
}
button:disabled:hover, .tool-btn:disabled:hover {
    border-color: var(--border-color);
    color: var(--muted-color);
    background-color: var(--inset-bg);
}

#smallDropText {
    padding: 10px;
    font-size: 0.9rem;
    opacity: 0.8;
}

.edit-canvas-wrapper.cursor-pencil { cursor: crosshair; }
.edit-canvas-wrapper.cursor-eraser { cursor: cell; }
.edit-canvas-wrapper.cursor-eyedropper { cursor: alias; }
.edit-canvas-wrapper.cursor-fill { cursor: crosshair; }

.help-text {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background-color: var(--accent-color);
    color: white;
    font-size: 11px;
    font-weight: 800;
    cursor: help;
    margin-left: 4px;
    vertical-align: middle;
}

.small-btn {
    padding: 7px 12px;
    font-size: 0.85rem;
    font-weight: 600;
    background-color: var(--inset-bg);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    cursor: pointer;
    color: var(--text-color);
}
.small-btn:hover {
    background-color: var(--primary-soft);
    color: var(--primary-color);
    border-color: var(--primary-color);
}

/* ===================== Upload guide (center) ===================== */
.main-upload-guide {
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: transparent;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
}

.guide-content {
    text-align: center;
    border: 2px dashed var(--primary-color);
    border-radius: var(--radius-lg);
    padding: 36px 56px;
    background-color: var(--pane-bg);
    box-shadow: 0 18px 50px rgba(120, 90, 60, 0.18);
}

.guide-tool-name {
    font-size: 1.05rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 6px;
}

.guide-title {
    font-size: 2.3rem;
    font-weight: 800;
    color: var(--text-color);
    margin-bottom: 18px;
}

.guide-or {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--muted-color);
    margin-bottom: 18px;
}

.huge-btn {
    font-size: 1.35rem;
    padding: 16px 44px;
    border-radius: 999px;
    margin-bottom: 18px;
    margin-top: 0;
}

.guide-support {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--muted-color);
}

.guide-privacy {
    margin-top: 14px;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--muted-color);
}

.guide-privacy.safety-copy {
    margin-top: 0;
    margin-bottom: 16px;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    background-color: var(--accent-soft);
    color: var(--text-color);
    line-height: 1.5;
}

body.legal-page {
    display: block;
    min-height: 100vh;
    height: auto;
    overflow: auto;
}

.legal-shell {
    max-width: 900px;
    margin: 0 auto;
    padding: 32px 18px 48px;
}

.legal-header {
    margin-bottom: 18px;
}

.legal-header a {
    color: var(--primary-color);
    font-weight: 700;
    text-decoration: none;
}

.legal-header a:hover {
    text-decoration: underline;
}

.legal-card {
    background-color: var(--pane-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-pane);
    padding: 28px;
    line-height: 1.8;
}

.legal-card h1 {
    margin: 0 0 10px;
    font-size: 1.8rem;
    color: var(--text-color);
}

.legal-card h2 {
    margin: 26px 0 8px;
    font-size: 1.08rem;
    color: var(--text-color);
}

.legal-card p,
.legal-card li {
    color: var(--text-color);
}

.legal-card .legal-lead,
.legal-card .legal-updated {
    color: var(--muted-color);
    font-weight: 600;
}

.legal-card ul {
    padding-left: 1.4em;
}

@media (max-width: 720px) {
    .help-header-btn,
    .feedback-header-link {
        padding: 6px 9px;
        font-size: 0.72rem;
    }

    .site-footer {
        flex-direction: column;
        gap: 5px;
        padding: 7px 10px;
        text-align: center;
    }

    .site-footer-links {
        justify-content: center;
        gap: 9px;
    }

    .usage-guide-panel {
        padding: 18px;
    }

    .usage-guide-head h2 {
        font-size: 1.18rem;
    }

    .legal-card {
        padding: 20px;
    }
}

/* ===================== Scrollbars ===================== */
.pane::-webkit-scrollbar, .palette-grid::-webkit-scrollbar,
.edit-canvas-wrapper::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}
.pane::-webkit-scrollbar-thumb, .palette-grid::-webkit-scrollbar-thumb,
.edit-canvas-wrapper::-webkit-scrollbar-thumb {
    background: var(--border-strong);
    border-radius: 999px;
    border: 2px solid transparent;
    background-clip: content-box;
}
.pane::-webkit-scrollbar-track { background: transparent; }



#openColorPaletteBtn {
    padding: 6px 14px;
    font-size: 0.88rem;
    font-weight: 700;
    white-space: nowrap;
    cursor: pointer;
    cursor: pointer;
}