.view {
    display: none !important;
    flex: 1;
    overflow: hidden;
    flex-direction: column;
}

    .view.active {
        display: flex !important;
    }

.view-content {
    flex: 1;
    overflow-y: auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

.placeholder-content {
    text-align: center;
    max-width: 400px;
    padding: 40px;
}

    .placeholder-content svg {
        width: 80px;
        height: 80px;
        color: var(--text3);
        margin-bottom: 20px;
    }

    .placeholder-content h2 {
        font-size: 28px;
        font-weight: 700;
        color: var(--text);
        margin-bottom: 12px;
    }

    .placeholder-content p {
        font-size: 14px;
        color: var(--text2);
        line-height: 1.6;
        margin-bottom: 8px;
    }

    .placeholder-content .coming-soon {
        margin-top: 20px;
        font-size: 12px;
        color: var(--text3);
        text-transform: uppercase;
        letter-spacing: 1px;
        font-weight: 600;
    }

#view-flows {
    display: flex;
    flex-direction: column;
}

#flowchart-toolbar {
    display: flex;
    align-items: center;
    height: var(--secondary-h);
    background: var(--surface2);
    border-bottom: 1px solid var(--border);
    padding: 0 12px;
    gap: 10px;
    flex-shrink: 0;
    z-index: 50;
}

#flowchart-main {
    display: flex;
    flex: 1;
    overflow: hidden;
}

.tb-sep {
    width: 1px;
    height: 20px;
    background: var(--border);
    margin: 0 2px;
}

.tb-btn {
    display: flex;
    align-items: center;
    gap: 5px;
    background: none;
    border: none;
    color: var(--text2);
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 3px;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: .5px;
    transition: all .15s;
    white-space: nowrap;
}

    .tb-btn:hover {
        background: var(--surface3);
        color: var(--text);
    }

    .tb-btn.active {
        color: var(--accent);
        background: var(--accent-dim);
    }

#tb-tool-group {
    display: flex;
    gap: 2px;
}

#tb-zoom {
    color: var(--text2);
    font-size: 11px;
    min-width: 48px;
    text-align: center;
    font-family: var(--font-mono);
}

#tb-spacer {
    flex: 1;
}

#sidebar {
    width: 200px;
    flex-shrink: 0;
    background: var(--surface);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: width .2s ease;
}

#sidebar-header {
    padding: 8px 10px;
    border-bottom: 1px solid var(--border);
    font-size: 10px;
    letter-spacing: 1.5px;
    color: var(--text3);
    font-weight: 600;
    text-transform: uppercase;
    font-family: var(--font-mono);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 6px;
}

#sidebar-collapse-btn,
#props-collapse-btn {
    background: none;
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text3);
    cursor: pointer;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    padding: 0;
    transition: color .15s, border-color .15s, transform .2s ease;
}

    #sidebar-collapse-btn:hover,
    #props-collapse-btn:hover {
        color: var(--accent);
        border-color: var(--accent);
    }

#sidebar.collapsed {
    width: 52px;
}

    #sidebar.collapsed #sidebar-header {
        justify-content: center;
    }

    #sidebar.collapsed #sidebar-header-label,
    #sidebar.collapsed #node-set-bar,
    #sidebar.collapsed #search-wrap,
    #sidebar.collapsed .cat-header,
    #sidebar.collapsed .palette-label {
        display: none;
    }

    #sidebar.collapsed #sidebar-collapse-btn svg {
        transform: rotate(180deg);
    }

    #sidebar.collapsed .palette-item {
        justify-content: center;
        padding: 7px 0;
    }

    #sidebar.collapsed .cat-items {
        display: block !important;
    }

#node-set-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 7px 10px;
    border-bottom: 1px solid var(--border);
    background: var(--surface2);
    gap: 6px;
}

#node-set-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--accent);
    letter-spacing: 0.02em;
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

#node-set-switch-btn {
    display: flex;
    align-items: center;
    gap: 4px;
    background: var(--surface3, #2a2a2a);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text2);
    cursor: pointer;
    font-size: 10px;
    font-family: var(--font-mono);
    font-weight: 600;
    padding: 3px 7px;
    transition: color .15s, border-color .15s, background .15s;
    white-space: nowrap;
    flex-shrink: 0;
}

    #node-set-switch-btn:hover {
        color: var(--accent);
        border-color: var(--accent);
        background: var(--surface2);
    }

#search-wrap {
    padding: 8px;
    border-bottom: 1px solid var(--border);
}

#search {
    width: 100%;
    background: var(--surface2);
    border: 1px solid var(--border);
    color: var(--text);
    font-family: var(--font-mono);
    font-size: 11px;
    padding: 5px 8px;
    border-radius: 3px;
    outline: none;
}

    #search:focus {
        border-color: var(--accent);
    }

#palette {
    flex: 1;
    overflow-y: auto;
    padding: 4px 0;
}

    #palette::-webkit-scrollbar {
        width: 4px;
    }

    #palette::-webkit-scrollbar-thumb {
        background: var(--border2);
        border-radius: 2px;
    }

.cat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 10px 4px;
    cursor: pointer;
    font-size: 10px;
    letter-spacing: 1px;
    color: var(--text3);
    font-weight: 600;
    text-transform: uppercase;
    transition: color .15s;
    font-family: var(--font-mono);
}

    .cat-header:hover {
        color: var(--text2);
    }

.cat-arrow {
    transition: transform .2s;
    font-size: 9px;
}

.cat-collapsed .cat-arrow {
    transform: rotate(-90deg);
}

.cat-items {
    display: flex;
    flex-direction: column;
    gap: 1px;
    padding: 0 6px 4px;
}

.palette-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 5px 6px;
    border-radius: 3px;
    cursor: grab;
    border: 1px solid transparent;
    transition: all .15s;
    user-select: none;
}

    .palette-item:hover {
        background: var(--surface3);
        border-color: var(--border);
    }

    .palette-item:active {
        cursor: grabbing;
        border-color: var(--accent);
        background: var(--accent-dim);
    }

.palette-icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.palette-label {
    font-size: 11px;
    color: var(--text2);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.palette-item:hover .palette-label {
    color: var(--text);
}

#canvas-wrap {
    flex: 1;
    position: relative;
    overflow: hidden;
    background: var(--bg);
    background-image: radial-gradient(circle, rgba(255,255,255,.08) 1px, transparent 1px);
    background-size: 22px 22px;
    cursor: default;
}

[data-theme="light"] #canvas-wrap {
    background-image: radial-gradient(circle, rgba(0,0,0,.05) 1px, transparent 1px);
}

#svg-canvas {
    width: 100%;
    height: 100%;
    display: block;
}

#label-editor {
    position: absolute;
    display: none;
    z-index: 200;
}

#label-input {
    background: var(--surface2);
    border: 2px solid var(--accent);
    color: var(--text);
    font-family: var(--font-mono);
    font-size: 12px;
    padding: 4px 8px;
    border-radius: 3px;
    outline: none;
    min-width: 120px;
}

#hints {
    position: absolute;
    bottom: 12px;
    left: 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    pointer-events: none;
    opacity: 0.6;
}

.hint {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--text3);
}

    .hint kbd {
        background: var(--surface2);
        border: 1px solid var(--border);
        padding: 2px 5px;
        border-radius: 2px;
        font-family: var(--font-mono);
        font-size: 9px;
        color: var(--text2);
    }

#minimap {
    position: absolute;
    bottom: 12px;
    right: 12px;
    border: 1px solid var(--border);
    border-radius: 4px;
    background: var(--surface);
    opacity: 0.8;
    cursor: pointer;
}

    #minimap:hover {
        opacity: 1;
    }

#props {
    width: 210px;
    flex-shrink: 0;
    background: var(--surface);
    border-left: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    transition: width .2s ease;
}

#props-header {
    padding: 8px 10px;
    border-bottom: 1px solid var(--border);
    font-size: 10px;
    letter-spacing: 1.5px;
    color: var(--text3);
    font-weight: 600;
    text-transform: uppercase;
    font-family: var(--font-mono);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 6px;
}

#props.collapsed {
    width: 30px;
}

    #props.collapsed #props-header {
        justify-content: center;
        padding: 8px 4px;
    }

    #props.collapsed #props-header-label,
    #props.collapsed #props-body {
        display: none;
    }

    #props.collapsed #props-collapse-btn svg {
        transform: rotate(180deg);
    }

#props-body {
    flex: 1;
    overflow-y: auto;
    padding: 10px;
}

#view-flows:fullscreen {
    background: var(--bg);
    width: 100vw;
    height: 100vh;
    display: flex;
    flex-direction: column;
}

    #view-flows:fullscreen #flowchart-main {
        flex: 1;
        min-height: 0;
    }

#props-body::-webkit-scrollbar {
    width: 4px;
}

#props-body::-webkit-scrollbar-thumb {
    background: var(--border2);
    border-radius: 2px;
}

.props-empty {
    color: var(--text3);
    font-size: 11px;
    text-align: center;
    padding-top: 30px;
    font-family: var(--font-mono);
}

.prop-group {
    margin-bottom: 13px;
}

.prop-label {
    font-size: 10px;
    letter-spacing: .8px;
    color: var(--text3);
    text-transform: uppercase;
    margin-bottom: 5px;
    font-family: var(--font-mono);
}

.prop-input {
    width: 100%;
    background: var(--surface2);
    border: 1px solid var(--border);
    color: var(--text);
    font-family: var(--font-mono);
    font-size: 11px;
    padding: 5px 7px;
    border-radius: 3px;
    outline: none;
}

    .prop-input:focus {
        border-color: var(--accent);
    }

.prop-textarea {
    width: 100%;
    background: var(--surface2);
    border: 1px solid var(--border);
    color: var(--text);
    font-family: var(--font-mono);
    font-size: 11px;
    padding: 5px 7px;
    border-radius: 3px;
    outline: none;
    resize: vertical;
    min-height: 56px;
    line-height: 1.4;
}

    .prop-textarea:focus {
        border-color: var(--accent);
    }

.prop-rt-toolbar {
    display: flex;
    align-items: center;
    gap: 1px;
    background: var(--surface3);
    border: 1px solid var(--border);
    border-bottom: none;
    border-radius: 3px 3px 0 0;
    padding: 3px;
}

    .prop-rt-toolbar button {
        background: transparent;
        border: none;
        color: var(--text2);
        font-family: var(--font-mono);
        font-size: 11px;
        line-height: 1;
        width: 22px;
        height: 22px;
        cursor: pointer;
        border-radius: 2px;
        padding: 0;
        display: flex;
        align-items: center;
        justify-content: center;
    }

        .prop-rt-toolbar button:hover {
            background: var(--surface2);
            color: var(--accent);
        }

        .prop-rt-toolbar button b,
        .prop-rt-toolbar button i,
        .prop-rt-toolbar button u {
            font-style: inherit;
            font-weight: inherit;
            text-decoration: inherit;
        }

        .prop-rt-toolbar button b {
            font-weight: 700;
        }

        .prop-rt-toolbar button i {
            font-style: italic;
        }

        .prop-rt-toolbar button u {
            text-decoration: underline;
        }

.rt-sep {
    width: 1px;
    align-self: stretch;
    background: var(--border);
    margin: 2px 3px;
}

.prop-rt-edit {
    width: 100%;
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: 0 0 3px 3px;
    color: var(--text);
    font-family: var(--font-mono);
    font-size: 11px;
    padding: 6px 7px;
    outline: none;
    min-height: 56px;
    max-height: 240px;
    overflow-y: auto;
    line-height: 1.4;
    word-break: break-word;
    overflow-wrap: break-word;
}

    .prop-rt-edit:focus {
        border-color: var(--accent);
    }

    .prop-rt-edit:empty:before {
        content: attr(data-placeholder);
        color: var(--text3);
        pointer-events: none;
    }

    .prop-rt-edit ul,
    .prop-rt-edit ol {
        margin: 2px 0;
        padding-left: 18px;
    }

    .prop-rt-edit li {
        margin: 0;
    }

    .prop-rt-edit p,
    .prop-rt-edit div {
        margin: 0;
    }

.prop-select {
    width: 100%;
    background: var(--surface2);
    border: 1px solid var(--border);
    color: var(--text);
    font-family: var(--font-mono);
    font-size: 11px;
    padding: 5px 7px;
    border-radius: 3px;
    outline: none;
    cursor: pointer;
    appearance: none;
}

    .prop-select:focus {
        border-color: var(--accent);
    }

.prop-colors {
    display: flex;
    gap: 5px;
    flex-wrap: wrap;
}

.prop-color-swatch {
    width: 20px;
    height: 20px;
    border-radius: 3px;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all .15s;
}

    .prop-color-swatch:hover,
    .prop-color-swatch.active {
        border-color: var(--text);
    }