/* ==========================================================================
   CADCraft Web — Left Tool Sets Palette (Drafting & Modeling)
   Exact port of crates/ui-egui/src/palettes.rs toolsets()
   ========================================================================== */

#cc-toolsets {
    width: 224px;
    background: var(--cc-panel);
    border-right: 1px solid var(--cc-border);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    z-index: 200;
}

#cc-toolsets.collapsed {
    display: none;
}

#cc-toolsets-strip {
    width: 22px;
    background: var(--cc-chrome);
    border-right: 1px solid var(--cc-border);
    display: none;
    flex-direction: column;
    align-items: center;
    padding-top: 8px;
    cursor: pointer;
    flex-shrink: 0;
    z-index: 200;
}

#cc-toolsets-strip.visible {
    display: flex;
}

#cc-toolsets-strip:hover {
    background: var(--cc-control-hover);
}

/* Toolset Header Tabs: Drafting | Modeling */
.cc-ts-tabs {
    height: 28px;
    background: var(--cc-chrome);
    border-bottom: 1px solid var(--cc-border);
    display: flex;
    align-items: stretch;
    flex-shrink: 0;
}

.cc-ts-tab {
    width: 92px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    color: var(--cc-text-dim);
    background: var(--cc-chrome);
    border: none;
    cursor: pointer;
    font-weight: 500;
}

.cc-ts-tab:hover {
    color: var(--cc-text);
}

.cc-ts-tab.active {
    background: var(--cc-tab-active);
    color: var(--cc-text);
}

.cc-ts-collapse-btn {
    margin-left: auto;
    width: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: var(--cc-icon);
    cursor: pointer;
}

.cc-ts-collapse-btn:hover {
    background: var(--cc-control-hover);
}

/* Scrollable Tool Groups Body */
.cc-ts-body {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding-bottom: 12px;
}

.cc-ts-group {
    border-bottom: 1px solid var(--cc-border);
}

.cc-ts-group-header {
    height: 23px;
    display: flex;
    align-items: center;
    padding: 0 6px;
    cursor: pointer;
    color: var(--cc-text);
    font-size: 12px;
    font-weight: 500;
    position: relative;
}

.cc-ts-group-header:hover {
    background: rgba(255, 255, 255, 0.04);
}

.cc-ts-chevron {
    width: 14px;
    height: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-right: 4px;
    color: var(--cc-icon);
}

.cc-ts-gear {
    margin-left: auto;
    width: 18px;
    height: 18px;
    border-radius: 3px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--cc-text-dim);
    background: transparent;
    border: none;
    cursor: pointer;
}

.cc-ts-gear:hover {
    background: var(--cc-control);
    color: var(--cc-text);
}

.cc-ts-group-content {
    padding: 4px 8px 6px 8px;
}

.cc-ts-group.collapsed .cc-ts-group-content {
    display: none;
}

/* Large Icons Row (40x40 buttons) */
.cc-ts-large-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 4px;
}

.cc-tool-btn-lg {
    width: 40px;
    height: 40px;
    border-radius: 4px;
    border: 1px solid transparent;
    background: var(--cc-control);
    color: var(--cc-icon);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    padding: 5px;
    transition: all 0.1s;
}

.cc-tool-btn-lg:hover {
    background: var(--cc-control-hover);
    border-color: var(--cc-cmd-border);
}

.cc-tool-btn-lg.active {
    background: rgba(61, 139, 253, 0.35);
    border-color: var(--cc-accent);
    box-shadow: 0 0 0 1px var(--cc-accent);
}

.cc-tool-btn-lg svg {
    width: 26px;
    height: 26px;
}

/* Small Icons Grid (8 per row, 23x23 buttons) */
.cc-ts-small-grid {
    display: grid;
    grid-template-columns: repeat(8, 23px);
    gap: 2px;
    margin-top: 2px;
}

.cc-tool-btn-sm {
    width: 23px;
    height: 23px;
    border-radius: 3px;
    border: 1px solid transparent;
    background: transparent;
    color: var(--cc-icon);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    padding: 2px;
    transition: background 0.1s;
}

.cc-tool-btn-sm:hover {
    background: var(--cc-control-hover);
}

.cc-tool-btn-sm.active {
    background: rgba(61, 139, 253, 0.38);
    border-color: var(--cc-accent);
}

.cc-tool-btn-sm svg {
    width: 17px;
    height: 17px;
}

/* Tool Visibility Gear Popup */
.cc-ts-gear-popup {
    position: absolute;
    left: 190px;
    top: 20px;
    width: 210px;
    background: var(--cc-list-bg);
    border: 1px solid var(--cc-border);
    box-shadow: 0 6px 20px var(--cc-shadow);
    border-radius: 4px;
    padding: 8px;
    z-index: 900;
}

.cc-ts-gear-popup h5 {
    font-size: 11.5px;
    color: var(--cc-text-dim);
    margin-bottom: 6px;
    padding-bottom: 4px;
    border-bottom: 1px solid var(--cc-border);
}

.cc-ts-gear-item {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 3px 4px;
    font-size: 12px;
    color: var(--cc-text);
    cursor: pointer;
}

.cc-ts-gear-item:hover {
    background: var(--cc-list-row);
}