/* Left vertical toolbar */
.tool-btn {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: 1px solid transparent;
    border-radius: 4px;
    color: var(--text);
    cursor: pointer;
    padding: 0;
    position: relative;
}

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

.tool-btn.active {
    background: var(--accent);
    color: var(--text-bright);
    border-color: var(--accent);
}

.tool-btn svg {
    width: 20px;
    height: 20px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.5;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.tool-btn .shortcut-hint {
    position: absolute;
    bottom: 1px;
    right: 2px;
    font-size: 8px;
    color: var(--text-dim);
    pointer-events: none;
}

.tool-btn.active .shortcut-hint {
    color: rgba(255, 255, 255, 0.6);
}

/* Tool group with flyout */
.tool-group {
    position: relative;
}

.group-indicator {
    position: absolute;
    bottom: 1px;
    left: 2px;
    font-size: 6px;
    color: var(--text-dim);
    pointer-events: none;
    line-height: 1;
}

.tool-btn.active .group-indicator {
    color: rgba(255, 255, 255, 0.6);
}

.tool-flyout {
    display: none;
    position: absolute;
    left: 100%;
    top: 0;
    margin-left: 2px;
    background: var(--bg-panel);
    border: 1px solid var(--border-light);
    border-radius: 4px;
    padding: 3px;
    z-index: 100;
    box-shadow: 2px 2px 8px rgba(0, 0, 0, 0.4);
    flex-direction: column;
    gap: 2px;
    white-space: nowrap;
}

.tool-flyout.open {
    display: flex;
}

.tool-flyout .flyout-btn {
    width: auto;
    height: 30px;
    padding: 0 8px 0 4px;
    display: flex;
    align-items: center;
    gap: 6px;
    border-radius: 3px;
}

.tool-flyout .flyout-btn svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.flyout-label {
    font-size: 11px;
    color: var(--text);
    pointer-events: none;
}

.tool-flyout .flyout-btn:hover .flyout-label {
    color: var(--text-bright);
}

/* Toolbar separator */
.toolbar-sep {
    width: 28px;
    height: 1px;
    background: var(--border);
    margin: 3px 0;
}

/* Color selector at bottom of toolbar */
#color-selector {
    margin-top: auto;
    padding: 6px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

#color-selector-swatches {
    position: relative;
    width: 36px;
    height: 36px;
}

#color-bg-swatch {
    position: absolute;
    right: 0;
    bottom: 0;
    width: 24px;
    height: 24px;
    border: 2px solid var(--border-light);
    cursor: pointer;
}

#color-fg-swatch {
    position: absolute;
    left: 0;
    top: 0;
    width: 24px;
    height: 24px;
    border: 2px solid var(--text);
    cursor: pointer;
    z-index: 1;
}

#color-swap-btn {
    position: absolute;
    top: -2px;
    right: -2px;
    width: 14px;
    height: 14px;
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: 2px;
    color: var(--text-dim);
    cursor: pointer;
    font-size: 9px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
    padding: 0;
}

#color-swap-btn:hover {
    color: var(--text);
    background: var(--bg-hover);
}

#color-index-label {
    font-size: 10px;
    color: var(--text-dim);
    text-align: center;
}