/* ==========================================================================
   Drawing Canvas
   ========================================================================== */

:root {
    --drawing-bg: #111214;
    --drawing-panel: #1a1c20;
    --drawing-panel-soft: #22252b;
    --drawing-panel-strong: #2d3139;
    --drawing-border: rgba(255, 255, 255, 0.08);
    --drawing-border-strong: rgba(255, 255, 255, 0.14);
    --drawing-text: rgba(255, 255, 255, 0.92);
    --drawing-muted: rgba(255, 255, 255, 0.58);
    --drawing-accent: #4db7ff;
    --drawing-accent-soft: rgba(77, 183, 255, 0.14);
    --drawing-danger: #ff6b6b;
    --drawing-warning: #ffb84d;
    --drawing-shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
}

body[data-theme="evil"] {
    --drawing-accent: #ff0066;
    --drawing-accent-soft: rgba(255, 0, 102, 0.14);
}

body[data-theme="twins"] {
    --drawing-accent: #a882ff;
    --drawing-accent-soft: rgba(168, 130, 255, 0.14);
}

.drawing-canvas-page {
    display: flex;
    flex-direction: column;
    height: calc(100vh - var(--global-player-height, 0px));
    min-height: 0;
    background:
        radial-gradient(circle at top left, rgba(77, 183, 255, 0.08), transparent 24%),
        radial-gradient(circle at bottom right, rgba(255, 255, 255, 0.04), transparent 20%),
        var(--drawing-bg);
    color: var(--drawing-text);
    overflow: hidden;
}

.drawing-appbar {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 16px;
    min-height: 56px;
    padding: 10px 16px;
    background: rgba(18, 19, 22, 0.96);
    border-bottom: 1px solid var(--drawing-border);
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
    z-index: 20;
}

.drawing-appbar-group {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
}

.drawing-appbar-group-center {
    justify-content: center;
}

.drawing-mode-toggle {
    display: inline-grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 6px;
    padding: 4px;
    border-radius: 16px;
    border: 1px solid var(--drawing-border);
    background: rgba(255, 255, 255, 0.05);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.drawing-mode-btn {
    min-height: 38px;
    min-width: 124px;
    padding: 0 16px;
    border-radius: 12px;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.04em;
}

.drawing-mode-btn.active {
    color: #f4fbff;
    background: linear-gradient(180deg, color-mix(in srgb, var(--drawing-accent) 30%, rgba(255, 255, 255, 0.12)), color-mix(in srgb, var(--drawing-accent) 18%, rgba(255, 255, 255, 0.05)));
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.18);
}

.drawing-appbar-group:last-child {
    justify-content: flex-end;
}

.drawing-app-brand {
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    white-space: nowrap;
}

.drawing-app-brand-block {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.drawing-app-brand-subtitle {
    font-size: 0.66rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--drawing-muted);
}

.drawing-toolbar-tabs {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    padding: 3px;
    border: 1px solid var(--drawing-border);
    background: rgba(255, 255, 255, 0.04);
}

.drawing-toolbar-tab {
    padding: 5px 10px;
    font-size: 0.7rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--drawing-muted);
}

.drawing-toolbar-tab.active {
    color: var(--drawing-text);
    background: rgba(255, 255, 255, 0.08);
}

.drawing-menu-strip {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-wrap: wrap;
}

.drawing-menu-btn,
.drawing-mode-btn,
.drawing-action-btn,
.drawing-file-btn,
.drawing-rail-btn,
.drawing-tool-card,
.drawing-brush-btn,
.drawing-pressure-toggle,
.drawing-icon-btn,
.pixel-template-btn,
.pixel-template-load-btn {
    border: 1px solid var(--drawing-border);
    background: rgba(255, 255, 255, 0.04);
    color: var(--drawing-muted);
    cursor: pointer;
    transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease, transform 0.15s ease;
}

.drawing-menu-btn {
    padding: 6px 10px;
    border-radius: 8px;
    font-size: 0.78rem;
}

.drawing-menu-btn:hover,
.drawing-mode-btn:hover,
.drawing-action-btn:hover,
.drawing-file-btn:hover,
.drawing-rail-btn:hover,
.drawing-tool-card:hover,
.drawing-brush-btn:hover,
.drawing-icon-btn:hover,
.pixel-template-btn:hover,
.pixel-template-load-btn:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.09);
    color: var(--drawing-text);
}

.drawing-workspace {
    flex: 1;
    min-height: 0;
    display: grid;
    grid-template-columns: 72px minmax(0, 1fr) 312px;
    gap: 10px;
    padding: 10px;
}

.drawing-left-rail,
.drawing-right-panel {
    background: rgba(21, 23, 27, 0.92);
    border: 1px solid var(--drawing-border);
    border-radius: 18px;
    box-shadow: var(--drawing-shadow);
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
}

.drawing-left-rail {
    padding: 10px;
    display: flex;
    flex-direction: column;
}

.drawing-rail-section {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.drawing-rail-section-title {
    padding: 2px 4px;
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.4);
}

.drawing-shape-tool-group {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 6px;
}

.drawing-brush-tool-group {
    position: relative;
    display: block;
    width: 100%;
}

.drawing-brush-tool-group > .drawing-rail-btn {
    width: 100%;
}

.drawing-brush-tool-menu {
    position: absolute;
    left: calc(100% + 2px);
    top: 0;
    z-index: 25;
    min-width: 340px;
    max-height: min(70vh, 720px);
    display: none;
    flex-direction: row;
    gap: 6px;
    padding: 8px;
    border: 1px solid var(--drawing-border);
    border-radius: 14px;
    background: rgba(21, 23, 27, 0.97);
    box-shadow: var(--drawing-shadow);
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
}

.drawing-brush-tool-menu::before {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    left: -8px;
    width: 8px;
}

.drawing-brush-tool-menu.open {
    display: flex;
}

.drawing-brush-menu-categories {
    width: 118px;
    min-width: 118px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding-right: 8px;
    border-right: 1px solid rgba(255, 255, 255, 0.08);
}

.drawing-brush-menu-list {
    min-width: 0;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 5px;
    overflow-y: auto;
}

.drawing-brush-category-item {
    border: 1px solid var(--drawing-border);
    background: rgba(255, 255, 255, 0.03);
    color: var(--drawing-muted);
    border-radius: 10px;
    min-height: 34px;
    padding: 8px 10px;
    text-align: left;
    cursor: pointer;
    font-size: 0.72rem;
    transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.drawing-brush-category-item:hover {
    background: rgba(255, 255, 255, 0.09);
    color: var(--drawing-text);
}

.drawing-brush-category-item.active {
    color: var(--drawing-accent);
    border-color: color-mix(in srgb, var(--drawing-accent) 42%, transparent);
    background: var(--drawing-accent-soft);
}

.drawing-brush-menu-group-title {
    padding: 2px 4px;
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.42);
}

.drawing-brush-menu-item {
    border: 1px solid var(--drawing-border);
    background: rgba(255, 255, 255, 0.03);
    color: var(--drawing-muted);
    border-radius: 10px;
    min-height: 34px;
    padding: 8px 10px;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    cursor: pointer;
    font-size: 0.72rem;
    transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.drawing-brush-menu-item:hover {
    background: rgba(255, 255, 255, 0.09);
    color: var(--drawing-text);
}

.drawing-brush-menu-item.active {
    color: var(--drawing-accent);
    border-color: color-mix(in srgb, var(--drawing-accent) 42%, transparent);
    background: var(--drawing-accent-soft);
}

.drawing-shape-expand-btn {
    border: 1px solid var(--drawing-border);
    background: rgba(255, 255, 255, 0.04);
    color: var(--drawing-muted);
    border-radius: 10px;
    min-height: 64px;
    width: 28px;
    cursor: pointer;
}

.drawing-shape-expand-btn.active {
    color: var(--drawing-accent);
    border-color: color-mix(in srgb, var(--drawing-accent) 42%, transparent);
    background: var(--drawing-accent-soft);
}

.drawing-shape-tool-menu {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.drawing-shape-menu-item {
    border: 1px solid var(--drawing-border);
    background: rgba(255, 255, 255, 0.03);
    color: var(--drawing-muted);
    border-radius: 10px;
    min-height: 34px;
    padding: 6px 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    cursor: pointer;
    font-size: 0.7rem;
}

.drawing-shape-menu-item.active {
    color: var(--drawing-accent);
    border-color: color-mix(in srgb, var(--drawing-accent) 42%, transparent);
    background: var(--drawing-accent-soft);
}

.drawing-rail-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 8px;
    border-radius: 14px;
    min-height: 64px;
    font-size: 0.7rem;
    text-align: center;
}

.drawing-rail-btn.active,
.drawing-mode-btn.active,
.drawing-action-btn.active,
.drawing-tool-card.active,
.drawing-brush-btn.active,
.drawing-icon-btn.active,
.pixel-template-btn.active {
    color: var(--drawing-accent);
    border-color: color-mix(in srgb, var(--drawing-accent) 42%, transparent);
    background: var(--drawing-accent-soft);
}

.drawing-rail-icon,
.drawing-tool-card-icon {
    font-size: 1.2rem;
    line-height: 1;
}

.drawing-rail-label {
    font-size: 0.68rem;
    line-height: 1.1;
}

.drawing-stage-shell {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.drawing-stage-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
}

.drawing-stage-toolbar-group {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
}

.drawing-stage-toolbar-group-right {
    margin-left: auto;
}

.drawing-stage-toolbar-group-options {
    flex: 1;
}

.drawing-stage-field {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 30px;
    padding: 4px 8px;
    border: 1px solid rgba(255, 255, 255, 0.06);
    background: rgba(255, 255, 255, 0.04);
    font-size: 0.72rem;
}

.drawing-stage-field span {
    color: var(--drawing-muted);
    font-size: 0.66rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.drawing-stage-field strong {
    color: var(--drawing-text);
    font-weight: 700;
}

.drawing-stage-field.emphasis strong {
    color: #dfefff;
}

.drawing-stage-chip {
    padding: 7px 12px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--drawing-border);
    font-size: 0.74rem;
    font-weight: 600;
    color: var(--drawing-text);
}

.drawing-stage-chip.subtle {
    color: var(--drawing-muted);
}

.drawing-stage-chip.warning {
    color: var(--drawing-warning);
    border-color: rgba(255, 184, 77, 0.24);
    background: rgba(255, 184, 77, 0.12);
}

.drawing-stage-chip.primary {
    color: #dfefff;
    border-color: color-mix(in srgb, var(--drawing-accent) 38%, transparent);
    background: color-mix(in srgb, var(--drawing-accent) 16%, rgba(255, 255, 255, 0.03));
}

.drawing-stage-surface {
    flex: 1;
    min-height: 0;
    border-radius: 24px;
    background:
        linear-gradient(rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01)),
        #17191d;
    border: 1px solid var(--drawing-border);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 4px;
}

.drawing-board-tabs {
    display: flex;
    align-items: center;
    gap: 8px;
    overflow-x: auto;
    padding: 4px 2px 2px;
}

.drawing-board-tab-wrap {
    display: inline-flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--drawing-border);
    border-radius: 10px;
    overflow: hidden;
}

.drawing-board-tab {
    border: none;
    background: transparent;
    color: var(--drawing-muted);
    cursor: pointer;
    padding: 6px;
    font-size: 0.74rem;
    white-space: nowrap;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    min-width: 96px;
}

.drawing-board-thumb {
    width: 76px;
    height: 48px;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--drawing-border);
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
}

.drawing-board-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.drawing-board-thumb-placeholder {
    font-size: 0.62rem;
    text-transform: uppercase;
    color: var(--drawing-muted);
}

.drawing-board-title {
    max-width: 86px;
    overflow: hidden;
    text-overflow: ellipsis;
}

.drawing-board-tab:hover {
    color: var(--drawing-text);
    background: rgba(255, 255, 255, 0.08);
}

.drawing-board-tab.active {
    color: var(--drawing-accent);
    background: var(--drawing-accent-soft);
}

.drawing-board-tab-close {
    border: none;
    border-left: 1px solid var(--drawing-border);
    background: transparent;
    color: var(--drawing-muted);
    width: 28px;
    height: 30px;
    cursor: pointer;
}

.drawing-board-tab-close:hover:not(:disabled) {
    color: var(--drawing-danger);
    background: rgba(255, 107, 107, 0.12);
}

.drawing-board-tab-close:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.drawing-board-tab.add {
    border: 1px dashed var(--drawing-border-strong);
    border-radius: 10px;
    min-width: 32px;
    height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

.drawing-board-frame {
    width: 100%;
    height: 100%;
    min-height: 0;
    border-radius: 18px;
    background: #ffffff;
    box-shadow:
        0 24px 80px rgba(0, 0, 0, 0.36),
        0 0 0 1px rgba(0, 0, 0, 0.04);
    overflow: hidden;
    position: relative;
}

.drawing-canvas-area {
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
    touch-action: none;
    cursor: crosshair;
    background: #ffffff;
}

.drawing-canvas-area canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    display: none;
}

.drawing-canvas-area.drawing-brush-cursor-active {
    cursor: none;
}

.drawing-brush-cursor {
    position: absolute;
    left: 0;
    top: 0;
    z-index: 11;
    display: none;
    width: 12px;
    height: 12px;
    border: 1.5px solid rgba(255, 255, 255, 0.95);
    border-radius: 50%;
    box-shadow:
        0 0 0 1px rgba(0, 0, 0, 0.55),
        0 0 10px rgba(0, 0, 0, 0.22);
    transform: translate(-50%, -50%);
    pointer-events: none;
    background: rgba(255, 255, 255, 0.03);
}

.drawing-debug-overlay {
    position: absolute;
    left: 10px;
    bottom: 10px;
    z-index: 10;
    display: none;
    max-width: calc(100% - 20px);
    padding: 6px 10px;
    border-radius: 10px;
    background: rgba(10, 10, 12, 0.78);
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.7rem;
    font-family: Consolas, 'Courier New', monospace;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    pointer-events: none;
}

.drawing-right-panel {
    padding: 14px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    overflow: auto;
}

.drawing-panel-section {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 14px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 16px;
}

.drawing-panel-header {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.drawing-panel-header > span:first-child {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--drawing-text);
}

.drawing-panel-caption {
    font-size: 0.72rem;
    color: var(--drawing-muted);
}

.drawing-panel-tabs {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    padding: 3px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    background: rgba(255, 255, 255, 0.03);
}

.drawing-panel-tab {
    padding: 5px 9px;
    font-size: 0.68rem;
    color: var(--drawing-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.drawing-panel-tab.active {
    color: var(--drawing-text);
    background: rgba(255, 255, 255, 0.08);
}

.drawing-inspector-pills {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
}

.drawing-inspector-pill {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 10px;
    border: 1px solid rgba(255, 255, 255, 0.06);
    background: rgba(255, 255, 255, 0.03);
}

.drawing-inspector-pill span {
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.45);
}

.drawing-inspector-pill strong {
    font-size: 0.76rem;
    font-weight: 700;
    color: var(--drawing-text);
}

.drawing-tool-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
}

.drawing-tool-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 8px;
    border-radius: 14px;
    min-height: 70px;
    font-size: 0.72rem;
}

.drawing-brush-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.drawing-custom-brush-panel {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.drawing-custom-brush-row {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.drawing-brush-btn {
    padding: 8px 12px;
    border-radius: 10px;
    font-size: 0.78rem;
}

.drawing-file-btn,
.drawing-action-btn,
.pixel-template-load-btn,
.pixel-template-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    min-height: 36px;
    padding: 8px 12px;
    border-radius: 10px;
    font-size: 0.78rem;
    white-space: nowrap;
}

.drawing-file-btn {
    position: relative;
    overflow: hidden;
}

.drawing-file-input {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}

.drawing-custom-brush-caption {
    font-size: 0.72rem;
    color: var(--drawing-muted);
}

.drawing-brush-label {
    white-space: nowrap;
}

.drawing-color-row {
    display: block;
}

.drawing-color-picker-shell {
    display: grid;
    gap: 12px;
}

.drawing-color-preview {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    border: 2px solid rgba(255, 255, 255, 0.18);
    box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.25);
}

.drawing-color-picker-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 22px;
    gap: 12px;
    align-items: stretch;
}

.drawing-color-spectrum {
    position: relative;
    width: 100%;
    max-width: 220px;
    aspect-ratio: 1;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.12);
    cursor: crosshair;
    box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.25);
}

.drawing-color-spectrum-thumb,
.drawing-color-hue-thumb {
    position: absolute;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 2px solid #ffffff;
    box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.55), 0 4px 10px rgba(0, 0, 0, 0.35);
    pointer-events: none;
}

.drawing-color-spectrum-thumb {
    transform: translate(-50%, -50%);
}

.drawing-color-hue {
    position: relative;
    width: 22px;
    height: 220px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    cursor: ns-resize;
    background: linear-gradient(to bottom,
        #ff0000 0%,
        #ff00ff 16%,
        #0000ff 33%,
        #00ffff 50%,
        #00ff00 66%,
        #ffff00 83%,
        #ff0000 100%);
    box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.2);
}

.drawing-color-hue-thumb {
    left: 50%;
    background: transparent;
    transform: translate(-50%, -50%);
}

.drawing-color-input-row {
    display: grid;
    grid-template-columns: auto 1fr;
    align-items: center;
    gap: 10px;
}

.drawing-color-input-label {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--drawing-muted);
}

.drawing-color-hex-input {
    min-width: 0;
    width: 100%;
    padding: 10px 12px;
    border-radius: 12px;
    border: 1px solid var(--drawing-border);
    background: rgba(255, 255, 255, 0.05);
    color: var(--drawing-text);
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.drawing-range-group,
.pixel-template-row,
.drawing-field-grid {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 10px;
}

.drawing-range-group label,
.pixel-template-row label,
.drawing-field-grid label {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--drawing-muted);
}

.drawing-size-slider,
.drawing-opacity-slider,
.pixel-template-row input[type="range"] {
    appearance: none;
    width: 100%;
    height: 4px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.12);
}

.drawing-size-slider::-webkit-slider-thumb,
.drawing-opacity-slider::-webkit-slider-thumb,
.pixel-template-row input[type="range"]::-webkit-slider-thumb {
    appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: #ffffff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
    cursor: pointer;
}

.drawing-size-slider::-moz-range-thumb,
.drawing-opacity-slider::-moz-range-thumb,
.pixel-template-row input[type="range"]::-moz-range-thumb {
    width: 16px;
    height: 16px;
    border: none;
    border-radius: 50%;
    background: #ffffff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
    cursor: pointer;
}

.drawing-size-label {
    min-width: 42px;
    text-align: right;
    font-size: 0.78rem;
    color: var(--drawing-text);
    font-variant-numeric: tabular-nums;
}

.drawing-pressure-toggle {
    padding: 10px 12px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.drawing-pressure-toggle.enabled {
    color: var(--drawing-accent);
    border-color: color-mix(in srgb, var(--drawing-accent) 42%, transparent);
    background: var(--drawing-accent-soft);
}

.drawing-select,
.pixel-template-url-input,
.pixel-template-offset-input,
.drawing-layer-name {
    width: 100%;
    min-width: 0;
    padding: 8px 10px;
    border-radius: 10px;
    border: 1px solid var(--drawing-border);
    background: rgba(255, 255, 255, 0.05);
    color: var(--drawing-text);
    font-size: 0.76rem;
    outline: none;
}

.drawing-select:focus,
.pixel-template-url-input:focus,
.pixel-template-offset-input:focus,
.drawing-layer-name:focus {
    border-color: color-mix(in srgb, var(--drawing-accent) 42%, transparent);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--drawing-accent) 16%, transparent);
}

.drawing-layer-section {
    min-height: 0;
}

.drawing-layer-toolbar,
.drawing-panel-button-row {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.drawing-layer-toolbar.compact {
    padding-top: 2px;
}

.drawing-action-btn.danger:hover,
.pixel-template-btn.danger:hover {
    color: var(--drawing-danger);
    border-color: rgba(255, 107, 107, 0.28);
    background: rgba(255, 107, 107, 0.14);
}

.drawing-action-btn:disabled,
.pixel-template-load-btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.drawing-layer-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-height: 0;
}

.drawing-layer-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px;
    border-radius: 14px;
    border: 1px solid var(--drawing-border);
    background: rgba(255, 255, 255, 0.03);
    cursor: pointer;
    transition: background 0.15s ease, border-color 0.15s ease;
}

.drawing-layer-row.dragging {
    opacity: 0.55;
}

.drawing-layer-row.drag-target {
    border-color: color-mix(in srgb, var(--drawing-accent) 42%, transparent);
    box-shadow: inset 0 2px 0 var(--drawing-accent);
}

.drawing-layer-row:hover {
    background: rgba(255, 255, 255, 0.06);
}

.drawing-layer-drag-handle {
    flex-shrink: 0;
    width: 18px;
    color: rgba(255, 255, 255, 0.38);
    font-size: 0.9rem;
    line-height: 1;
    text-align: center;
    cursor: grab;
    user-select: none;
}

.drawing-layer-row.dragging .drawing-layer-drag-handle {
    cursor: grabbing;
}

.drawing-layer-row.active {
    border-color: color-mix(in srgb, var(--drawing-accent) 36%, transparent);
    background: color-mix(in srgb, var(--drawing-accent) 10%, rgba(255, 255, 255, 0.03));
    box-shadow: inset 3px 0 0 var(--drawing-accent);
}

.drawing-layer-row.static-row {
    cursor: default;
}

.drawing-layer-row-main {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.drawing-layer-thumbbox {
    width: 34px;
    height: 34px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.03));
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.72rem;
    font-weight: 700;
    font-family: Consolas, monospace;
    overflow: hidden;
}

.drawing-layer-thumb-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.drawing-layer-name {
    font-weight: 600;
}

.drawing-layer-name.readonly {
    padding: 0;
    border: none;
    background: transparent;
}

.drawing-layer-meta {
    font-size: 0.68rem;
    color: var(--drawing-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.drawing-layer-actions {
    display: flex;
    align-items: center;
    gap: 6px;
}

.drawing-icon-btn {
    width: 34px;
    height: 34px;
    padding: 0;
    border-radius: 10px;
    font-size: 0.95rem;
}

.drawing-pixel-palette {
    display: grid;
    grid-template-columns: repeat(8, minmax(0, 1fr));
    gap: 6px;
}

.drawing-pixel-swatch {
    position: relative;
    width: 100%;
    aspect-ratio: 1;
    padding: 0;
    border-radius: 8px;
    border: 2px solid transparent;
    cursor: pointer;
    image-rendering: pixelated;
    transition: transform 0.12s ease, border-color 0.12s ease, box-shadow 0.12s ease;
}

.drawing-pixel-swatch:hover,
.drawing-pixel-swatch.active {
    transform: scale(1.04);
    border-color: var(--drawing-accent);
    box-shadow: 0 0 0 1px color-mix(in srgb, var(--drawing-accent) 36%, transparent);
}

.drawing-pixel-swatch-num {
    position: absolute;
    right: 4px;
    bottom: 3px;
    font-size: 0.54rem;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.92);
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.9);
    font-family: Consolas, monospace;
}

.drawing-pixel-coords {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 8px 10px;
    border-radius: 10px;
    border: 1px solid var(--drawing-border);
    background: rgba(255, 255, 255, 0.04);
    font-size: 0.75rem;
    font-family: Consolas, monospace;
    color: var(--drawing-text);
}

.drawing-pixel-coords.wide {
    justify-content: space-between;
    width: 100%;
}

.pixel-template-url-row,
.pixel-template-actions {
    display: flex;
    gap: 8px;
}

.pixel-template-url-input {
    flex: 1;
}

.pixel-template-load-btn {
    flex-shrink: 0;
}

.pixel-template-error {
    padding: 8px 10px;
    border-radius: 10px;
    border: 1px solid rgba(255, 107, 107, 0.24);
    background: rgba(255, 107, 107, 0.12);
    color: var(--drawing-danger);
    font-size: 0.74rem;
}

.pixel-template-info {
    font-size: 0.74rem;
    color: var(--drawing-accent);
}

.pixel-template-offset-input {
    width: 74px;
    text-align: center;
}

.drawing-panel-divider {
    color: var(--drawing-muted);
}

.drawing-modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    z-index: 1200;
    display: flex;
    align-items: center;
    justify-content: center;
}

.drawing-modal {
    width: min(420px, calc(100vw - 24px));
    border-radius: 16px;
    border: 1px solid var(--drawing-border-strong);
    background: var(--drawing-panel);
    box-shadow: var(--drawing-shadow);
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.drawing-modal-title {
    font-size: 1rem;
    font-weight: 700;
}

.drawing-modal-subtitle {
    font-size: 0.8rem;
    color: var(--drawing-muted);
}

.drawing-modal-toggle-row,
.drawing-size-preset-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
}

.drawing-size-preset-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.drawing-modal-size-grid {
    grid-template-columns: 64px 1fr auto;
}

.drawing-modal-number-input {
    text-align: right;
}

.drawing-modal-caption {
    font-size: 0.74rem;
    color: var(--drawing-muted);
}

.drawing-modal-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.artist-workspace {
    background:
        linear-gradient(180deg, rgba(46, 48, 52, 0.92), rgba(19, 20, 23, 0.98) 140px),
        #1b1d21;
}

.artist-workspace .drawing-appbar {
    min-height: 48px;
    padding: 8px 12px;
    background: #25282d;
    border-bottom-color: rgba(255, 255, 255, 0.06);
    box-shadow: inset 0 -1px 0 rgba(0, 0, 0, 0.4);
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
}

.artist-workspace .drawing-workspace {
    grid-template-columns: 88px minmax(0, 1fr) 344px;
    gap: 8px;
    padding: 8px;
}

.artist-workspace .drawing-app-brand {
    font-size: 0.84rem;
}

.artist-workspace .drawing-app-brand-subtitle {
    font-size: 0.6rem;
}

.artist-workspace .drawing-left-rail,
.artist-workspace .drawing-right-panel,
.artist-workspace .drawing-stage-surface,
.artist-workspace .drawing-board-frame,
.artist-workspace .drawing-panel-section,
.artist-workspace .drawing-board-tab-wrap,
.artist-workspace .drawing-mode-toggle,
.artist-workspace .drawing-mode-btn,
.artist-workspace .drawing-action-btn,
.artist-workspace .drawing-rail-btn,
.artist-workspace .drawing-brush-btn,
.artist-workspace .drawing-icon-btn,
.artist-workspace .drawing-select,
.artist-workspace .pixel-template-url-input,
.artist-workspace .pixel-template-offset-input,
.artist-workspace .drawing-layer-name,
.artist-workspace .drawing-stage-chip,
.artist-workspace .drawing-shape-expand-btn,
.artist-workspace .drawing-shape-menu-item,
.artist-workspace .drawing-toolbar-tabs,
.artist-workspace .drawing-inspector-pill,
.artist-workspace .drawing-layer-thumbbox {
    border-radius: 4px;
}

.artist-workspace .drawing-left-rail,
.artist-workspace .drawing-right-panel {
    background: #2a2d31;
    border-color: rgba(255, 255, 255, 0.05);
    box-shadow: none;
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
}

.artist-workspace .drawing-left-rail {
    padding: 8px 6px;
    border-right: 1px solid rgba(255, 255, 255, 0.04);
}

.artist-workspace .drawing-rail-btn {
    min-height: 58px;
    gap: 4px;
    padding: 8px 6px;
    background: #32353b;
    border-color: rgba(255, 255, 255, 0.04);
}

.artist-workspace .drawing-rail-icon {
    font-size: 1.05rem;
}

.artist-workspace .drawing-rail-label {
    font-size: 0.6rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.artist-workspace .drawing-stage-toolbar {
    justify-content: space-between;
    padding: 8px 10px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    background: #2a2d31;
}

.artist-workspace .drawing-toolbar-tabs {
    gap: 0;
    padding: 0;
    border: none;
    background: transparent;
}

.artist-workspace .drawing-toolbar-tab {
    padding: 4px 7px;
    font-size: 0.68rem;
    text-transform: none;
    letter-spacing: 0.01em;
}

.artist-workspace .drawing-toolbar-tab.active {
    background: rgba(255, 255, 255, 0.06);
}

.artist-workspace .drawing-stage-field,
.artist-workspace .drawing-panel-tabs {
    border-color: rgba(255, 255, 255, 0.05);
    background: #2b2e33;
}

.artist-workspace .drawing-stage-field span {
    color: rgba(255, 255, 255, 0.5);
}

.artist-workspace .drawing-stage-surface {
    padding: 8px;
    background: #1f2125;
    border-color: rgba(255, 255, 255, 0.05);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.03);
}

.artist-workspace .drawing-board-frame {
    background: #7a7d82;
    box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.3);
}

.artist-workspace .drawing-canvas-area {
    background:
        linear-gradient(45deg, rgba(0, 0, 0, 0.06) 25%, transparent 25%, transparent 75%, rgba(0, 0, 0, 0.06) 75%),
        linear-gradient(45deg, rgba(0, 0, 0, 0.06) 25%, transparent 25%, transparent 75%, rgba(0, 0, 0, 0.06) 75%),
        #8b8e94;
    background-position: 0 0, 10px 10px, 0 0;
    background-size: 20px 20px;
}

.artist-workspace .drawing-board-tabs {
    gap: 6px;
    padding: 0 0 2px;
    margin-top: -2px;
}

.artist-workspace .drawing-board-tab-wrap {
    background: #2a2d31;
    border-color: rgba(255, 255, 255, 0.05);
}

.artist-workspace .drawing-board-tab {
    flex-direction: row;
    gap: 8px;
    min-width: 148px;
    padding: 4px 8px;
    justify-content: flex-start;
}

.artist-workspace .drawing-board-thumb {
    width: 52px;
    height: 34px;
}

.artist-workspace .drawing-right-panel {
    gap: 8px;
    padding: 8px;
}

.artist-workspace .drawing-panel-section {
    gap: 10px;
    padding: 12px;
    background: #32353b;
    border-color: rgba(255, 255, 255, 0.04);
}

.artist-workspace .drawing-panel-tab.active {
    background: #3a3d44;
}

.artist-workspace .drawing-panel-header > span:first-child {
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.artist-workspace .drawing-panel-caption {
    font-size: 0.66rem;
}

.artist-workspace .drawing-mode-toggle {
    background: #2d3035;
    border-color: rgba(255, 255, 255, 0.05);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.02);
}

.artist-workspace .drawing-mode-btn {
    min-width: 136px;
    background: #34383e;
}

.artist-workspace .drawing-mode-btn.active {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0.06));
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.14);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.artist-workspace .drawing-brush-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.artist-workspace .drawing-brush-btn {
    display: inline-flex;
    align-items: center;
    width: 100%;
    justify-content: flex-start;
    background: #2b2e33;
    border-color: rgba(255, 255, 255, 0.05);
}

.artist-workspace .drawing-color-row {
    align-items: flex-start;
}

.artist-workspace .drawing-palette {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    width: 100%;
}

.artist-workspace .drawing-range-group,
.artist-workspace .drawing-field-grid {
    grid-template-columns: 56px 1fr auto;
}

.artist-workspace .drawing-pressure-toggle,
.artist-workspace .drawing-action-btn,
.artist-workspace .drawing-mode-btn,
.artist-workspace .drawing-icon-btn {
    background: #2b2e33;
    border-color: rgba(255, 255, 255, 0.05);
}

.artist-workspace .drawing-layer-toolbar .drawing-action-btn {
    flex: 1;
}

.artist-workspace .drawing-layer-list {
    gap: 6px;
}

.artist-workspace .drawing-layer-row {
    padding: 8px;
    border-color: rgba(255, 255, 255, 0.05);
    background: #2b2e33;
}

.artist-workspace .drawing-layer-row.active {
    border-color: rgba(77, 183, 255, 0.7);
    background: linear-gradient(90deg, rgba(77, 183, 255, 0.16), rgba(77, 183, 255, 0.05));
    box-shadow:
        inset 3px 0 0 var(--drawing-accent),
        0 0 0 1px rgba(77, 183, 255, 0.28);
}

.artist-workspace .drawing-layer-row.active .drawing-layer-name,
.artist-workspace .drawing-layer-row.active .drawing-layer-meta {
    color: #f1f8ff;
}

.artist-workspace .drawing-layer-actions {
    gap: 4px;
}

.artist-workspace .drawing-layer-name {
    padding: 6px 8px;
    background: rgba(0, 0, 0, 0.16);
}

.artist-workspace .drawing-layer-thumbbox {
    width: 42px;
    height: 28px;
    padding: 0;
    background: #202226;
}

@media (max-width: 768px) {
    .drawing-canvas-page {
        min-height: calc(100dvh - var(--global-player-height, 0px));
    }

    .drawing-workspace {
        display: flex;
        flex-direction: column;
        gap: 8px;
        padding: 8px;
        overflow: auto;
    }

    .drawing-stage-shell {
        order: 1;
        min-height: min(64svh, 560px);
    }

    .drawing-stage-surface,
    .drawing-board-frame {
        min-height: clamp(280px, 52svh, 560px);
    }

    .drawing-left-rail {
        order: 2;
        padding: 8px;
        overflow-x: auto;
    }

    .drawing-right-panel {
        order: 3;
        max-height: 38svh;
    }

    .drawing-left-rail .drawing-rail-section {
        flex-direction: row;
        flex-wrap: nowrap;
        align-items: stretch;
        min-width: max-content;
    }

    .drawing-left-rail .drawing-rail-section-title {
        display: none;
    }

    .drawing-left-rail .drawing-rail-btn {
        min-width: 72px;
        min-height: 58px;
        flex-shrink: 0;
    }

    .drawing-left-rail .drawing-shape-tool-group {
        min-width: 110px;
        flex-shrink: 0;
    }

    .drawing-appbar {
        gap: 8px;
        padding: 8px;
    }

    .drawing-appbar-group {
        flex-wrap: wrap;
    }

    .drawing-appbar-group-center,
    .drawing-appbar-group:last-child {
        justify-content: flex-start;
    }

    .drawing-appbar-group:last-child {
        flex-wrap: nowrap;
        overflow-x: auto;
        padding-bottom: 2px;
    }

    .drawing-stage-toolbar {
        flex-direction: column;
        align-items: stretch;
    }

    .drawing-stage-toolbar-group-right {
        margin-left: 0;
    }

    .drawing-stage-toolbar-group,
    .drawing-stage-toolbar-group-options,
    .drawing-board-tabs {
        overflow-x: auto;
        flex-wrap: nowrap;
    }

    .drawing-stage-chip,
    .drawing-stage-field,
    .drawing-board-tab-wrap {
        flex-shrink: 0;
    }

    .artist-workspace .drawing-workspace {
        display: flex;
        flex-direction: column;
    }

    .artist-workspace .drawing-left-rail,
    .artist-workspace .drawing-right-panel {
        width: 100%;
    }
}

@media (max-width: 1400px) {
    .drawing-workspace {
        grid-template-columns: 68px minmax(0, 1fr) 288px;
    }

    .drawing-tool-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 1080px) {
    .drawing-appbar {
        grid-template-columns: 1fr;
        justify-items: stretch;
    }

    .drawing-appbar-group,
    .drawing-appbar-group-center,
    .drawing-appbar-group:last-child {
        justify-content: center;
    }

    .drawing-workspace {
        grid-template-columns: 1fr;
        grid-template-rows: auto minmax(0, 1fr) auto;
    }

    .drawing-left-rail {
        flex-direction: row;
        overflow-x: auto;
    }

    .drawing-rail-section {
        flex-direction: row;
    }

    .drawing-rail-btn {
        min-width: 78px;
        min-height: 72px;
    }

    .drawing-right-panel {
        max-height: 42vh;
    }
}

@media (max-width: 768px) {
    .drawing-canvas-page {
        height: auto;
        min-height: calc(100vh - var(--global-player-height, 0px));
    }

    .drawing-appbar,
    .drawing-workspace {
        padding: 10px;
    }

    .drawing-board-frame {
        min-height: 320px;
        height: min(72vh, 720px);
    }

    .drawing-stage-surface {
        padding: 2px;
    }

    .drawing-menu-strip {
        display: none;
    }

    .drawing-tool-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .drawing-pixel-palette {
        grid-template-columns: repeat(6, minmax(0, 1fr));
    }
}