/* ════════════════════════════════════════════════════════════════════════════
   Tools Canvas — Ultra-pro node editor (Amazon Connect / n8n inspired)
   Built on Drawflow + heavy custom HTML/CSS overrides.
   Tokens follow the global theme so dark/light just works.
   ════════════════════════════════════════════════════════════════════════════ */

/* ── Layout shell ─────────────────────────────────────────────────────────── */

.tcv-shell {
    --tcv-palette-w: 248px;
    --tcv-inspector-w: 380px;
    --tcv-toolbar-h: 44px;
    --tcv-radius: 16px;
    --tcv-bg: var(--bg-1);
    --tcv-surface: var(--bg-0);
    --tcv-surface-2: color-mix(in srgb, var(--bg-0) 70%, var(--bg-1));
    --tcv-border: var(--border);
    --tcv-border-strong: color-mix(in srgb, var(--border) 60%, var(--text-muted));
    --tcv-text: var(--text-primary);
    --tcv-muted: var(--text-muted);
    --tcv-shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04);
    --tcv-shadow-md: 0 4px 12px rgba(15, 23, 42, 0.06), 0 1px 3px rgba(15, 23, 42, 0.04);
    --tcv-shadow-lg: 0 12px 32px -8px rgba(15, 23, 42, 0.12), 0 4px 12px -4px rgba(15, 23, 42, 0.08);
    --tcv-grid-dot: rgba(0, 0, 0, 0.035);
    --tcv-grid-bg: linear-gradient(180deg, color-mix(in srgb, var(--bg-1) 70%, transparent), var(--bg-1));
    --tcv-accent: #6366f1;
    display: grid;
    grid-template-columns: var(--tcv-palette-w) 1fr var(--tcv-inspector-w);
    gap: 0;
    height: calc(100vh - 180px);
    min-height: 620px;
    max-height: 940px;
    border: 1px solid var(--tcv-border);
    border-radius: var(--tcv-radius);
    background: var(--tcv-bg);
    overflow: hidden;
    position: relative;
    box-shadow: var(--tcv-shadow-md);
}

[data-theme="dark"] .tcv-shell {
    --tcv-grid-dot: rgba(255, 255, 255, 0.028);
    --tcv-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
    --tcv-shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4), 0 1px 3px rgba(0, 0, 0, 0.3);
    --tcv-shadow-lg: 0 12px 32px -8px rgba(0, 0, 0, 0.5), 0 4px 12px -4px rgba(0, 0, 0, 0.4);
}

.tcv-shell.is-inspector-collapsed { grid-template-columns: var(--tcv-palette-w) 1fr 0; }
.tcv-shell.is-palette-collapsed   { grid-template-columns: 0 1fr var(--tcv-inspector-w); }

/* ══ Palette (left) ═══════════════════════════════════════════════════════ */

.tcv-palette {
    background: var(--tcv-surface);
    border-right: 1px solid var(--tcv-border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: width 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.tcv-palette-header {
    padding: 14px 16px 10px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.tcv-palette-title {
    font-size: 0.66rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--tcv-muted);
}

.tcv-palette-search-wrap {
    position: relative;
    margin: 0 14px 10px;
}

.tcv-palette-search {
    width: 100%;
    padding: 8px 10px 8px 30px;
    background: var(--tcv-bg);
    border: 1px solid var(--tcv-border);
    border-radius: 8px;
    font-size: 0.78rem;
    color: var(--tcv-text);
    outline: none;
    transition: all 0.15s;
    font-family: var(--font-sans);
}

.tcv-palette-search:focus {
    border-color: var(--tcv-accent);
    background: var(--tcv-surface);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--tcv-accent) 20%, transparent);
}

.tcv-palette-search-icon {
    position: absolute;
    left: 9px;
    top: 50%;
    transform: translateY(-50%);
    width: 13px;
    height: 13px;
    color: var(--tcv-muted);
    pointer-events: none;
}

.tcv-palette-list {
    flex: 1;
    overflow-y: auto;
    padding: 0 10px 14px;
    scrollbar-width: thin;
}

.tcv-palette-list::-webkit-scrollbar { width: 6px; }
.tcv-palette-list::-webkit-scrollbar-thumb { background: var(--tcv-border-strong); border-radius: 3px; }

.tcv-palette-item {
    display: flex;
    align-items: center;
    gap: 11px;
    padding: 10px 12px;
    margin: 3px 0;
    background: var(--tcv-surface);
    border: 1px solid transparent;
    border-radius: 9px;
    cursor: grab;
    transition: transform 0.18s cubic-bezier(0.4, 0, 0.2, 1),
                box-shadow 0.18s, border-color 0.18s, background 0.15s;
    user-select: none;
    position: relative;
}

.tcv-palette-item:hover {
    background: var(--tcv-surface);
    border-color: var(--tcv-border);
    box-shadow: var(--tcv-shadow-md);
    transform: translateY(-1px);
}

.tcv-palette-item:active {
    cursor: grabbing;
    transform: scale(0.97);
    box-shadow: var(--tcv-shadow-sm);
}

.tcv-palette-item::after {
    content: '';
    position: absolute;
    top: 8px;
    bottom: 8px;
    right: 10px;
    width: 0;
    border-radius: 1px;
    background: var(--ds-color, var(--tcv-muted));
    opacity: 0;
    transition: width 0.18s, opacity 0.18s;
}

.tcv-palette-item:hover::after { width: 2px; opacity: 0.7; }

.tcv-palette-item-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.95rem;
    flex-shrink: 0;
    color: var(--ds-color, #6b7280);
    background: linear-gradient(135deg,
        color-mix(in srgb, var(--ds-color, #6b7280) 20%, transparent),
        color-mix(in srgb, var(--ds-color, #6b7280) 8%, transparent));
    border: 1px solid color-mix(in srgb, var(--ds-color, #6b7280) 18%, transparent);
}

.tcv-palette-item-body { min-width: 0; flex: 1; }

.tcv-palette-item-label {
    font-size: 0.79rem;
    font-weight: 600;
    color: var(--text-strong);
    line-height: 1.2;
    margin-bottom: 2px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.tcv-palette-item-sub {
    font-size: 0.69rem;
    color: var(--tcv-muted);
    line-height: 1.35;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.tcv-palette-divider {
    margin: 10px 14px 6px;
    font-size: 0.62rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--tcv-muted);
    opacity: 0.7;
}

/* ══ Canvas area (center) ═════════════════════════════════════════════════ */

.tcv-canvas-wrap {
    position: relative;
    background:
        radial-gradient(circle, var(--tcv-grid-dot) 1.2px, transparent 1.2px) 0 0 / 26px 26px,
        var(--tcv-grid-bg);
    overflow: hidden;
}

.tcv-canvas-wrap.is-drop-target {
    box-shadow: inset 0 0 0 2px var(--tcv-accent),
                inset 0 0 60px color-mix(in srgb, var(--tcv-accent) 8%, transparent);
}

.tcv-canvas-wrap.is-drop-target::after {
    content: 'Drop here';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    padding: 10px 20px;
    background: var(--tcv-accent);
    color: #fff;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    pointer-events: none;
    box-shadow: 0 8px 24px color-mix(in srgb, var(--tcv-accent) 40%, transparent);
    z-index: 100;
    animation: tcv-drop-pulse 1.4s ease-in-out infinite;
}

@keyframes tcv-drop-pulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); }
    50%      { transform: translate(-50%, -50%) scale(1.05); }
}

.tcv-canvas { position: absolute; inset: 0; overflow: hidden; z-index: 2; }

/* Drawflow overrides: invisible base, our HTML provides everything.
   `!important` is defensive: Drawflow's default CSS defines the same
   selectors with its own values (background:#0ff, width:160px, padding:15px,
   border:2px solid #000). We load drawflow.min.css BEFORE this file (see
   index.html) so cascade order already favours us, but stylesheet loads
   can race (preload hints, extensions injecting styles post-hoc), so we
   force the wrapper to stay fully invisible. */
.tcv-canvas .drawflow {
    background: transparent !important;
    width: 100%;
    height: 100%;
}

.tcv-canvas .drawflow-node {
    background: transparent !important;
    border: none !important;
    padding: 0 !important;
    width: auto !important;
    min-height: 0 !important;
    box-shadow: none !important;
    color: inherit !important;
    border-radius: 0 !important;
}

.tcv-canvas .drawflow-node.selected {
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
}

.tcv-canvas .drawflow-node .input,
.tcv-canvas .drawflow-node .output {
    background: var(--tcv-surface);
    border: 2px solid var(--tcv-border-strong);
    width: 12px;
    height: 12px;
    transition: all 0.15s;
}

.tcv-canvas .drawflow-node .input:hover,
.tcv-canvas .drawflow-node .output:hover {
    border-color: var(--tcv-accent);
    background: var(--tcv-accent);
    transform: scale(1.2);
}

/* Connection paths (curved, dashed for the agent-anchor visual edges) */
.tcv-canvas .drawflow .connection .main-path {
    stroke: var(--tcv-border-strong);
    stroke-width: 1.5;
    stroke-dasharray: 6 4;
    fill: none;
    transition: stroke 0.2s;
    opacity: 0.7;
}

.tcv-canvas .drawflow .connection .main-path:hover {
    stroke: var(--tcv-accent);
    opacity: 1;
}

/* ── Tool node (canvas global) ────────────────────────────────────────────── */

.tcv-node {
    --node-color: #6b7280;
    background: var(--tcv-surface);
    border: 1px solid var(--tcv-border);
    border-radius: 12px;
    width: 252px;
    /* min-height anchors a consistent visual floor even when the tool has no
       description / no integration / 0 params. Pairs with _LAYOUT.NODE_H=190
       in tools-canvas.js so the reserved slot and the rendered card line up.
       The 2-line clamp on .tcv-node-desc bounds the common runaway path.
       If a future change adds a new in-flow row inside .tcv-node, also bump
       _LAYOUT.NODE_H and GAP_Y to preserve the visible gap between cards.
       overflow:visible stays because .tcv-node-inanchor lives at left:-6px
       outside the box and must not be clipped. */
    min-height: 175px;
    padding: 0;
    box-shadow: var(--tcv-shadow-md);
    transition: box-shadow 0.18s cubic-bezier(0.4, 0, 0.2, 1),
                border-color 0.18s, transform 0.05s;
    cursor: pointer;
    position: relative;
    overflow: visible;
}

/* Input-anchor dot — visual affordance on the left side of each tool
   node, aligned with the curved edge terminator from the agent anchor.
   The `.tcv-node` wrapper sets `--node-color`, so the dot and its outer
   glow inherit the datasource colour automatically. */
.tcv-node-inanchor {
    position: absolute;
    left: -6px;
    top: 50%;
    transform: translateY(-50%);
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--node-color);
    border: 2px solid var(--tcv-surface);
    box-shadow: 0 0 0 1px color-mix(in srgb, var(--node-color) 30%, transparent);
    pointer-events: none;
    z-index: 3;
}

/* Just-dropped pulse — Task 9.2. Plays for 600ms after `addFromTemplate`
   creates a new node, giving the user a visual confirmation that the
   drop landed without needing a modal. */
@keyframes tcv-just-dropped {
    0%   { box-shadow: 0 0 0 0 color-mix(in srgb, var(--node-color, var(--tcv-accent)) 70%, transparent); }
    60%  { box-shadow: 0 0 0 10px color-mix(in srgb, var(--node-color, var(--tcv-accent)) 0%, transparent); }
    100% { box-shadow: 0 0 0 0 transparent; }
}
.drawflow-node.is-just-dropped .tcv-node {
    animation: tcv-just-dropped 600ms ease-out;
}

.tcv-node::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--node-color), color-mix(in srgb, var(--node-color) 60%, transparent));
    border-radius: 12px 12px 0 0;
}

.tcv-node:hover {
    box-shadow: var(--tcv-shadow-lg);
    border-color: color-mix(in srgb, var(--node-color) 35%, var(--tcv-border));
    transform: translateY(-1px);
}

.drawflow-node.selected .tcv-node {
    border-color: var(--node-color);
    box-shadow:
        0 0 0 3px color-mix(in srgb, var(--node-color) 22%, transparent),
        var(--tcv-shadow-lg);
}

.tcv-node.is-invalid {
    border-color: rgba(239, 68, 68, 0.5);
}

.tcv-node.is-invalid::before {
    background: linear-gradient(90deg, #ef4444, rgba(239, 68, 68, 0.4));
}

.tcv-node-warning {
    position: absolute;
    top: 8px;
    right: 10px;
    width: 18px;
    height: 18px;
    background: #ef4444;
    color: white;
    border-radius: 50%;
    border: 2px solid var(--tcv-surface);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.65rem;
    font-weight: 800;
    z-index: 2;
}

.tcv-node-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 14px 10px;
}

.tcv-node-icon {
    width: 30px;
    height: 30px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--node-color);
    background: linear-gradient(135deg,
        color-mix(in srgb, var(--node-color) 22%, transparent),
        color-mix(in srgb, var(--node-color) 10%, transparent));
    border: 1px solid color-mix(in srgb, var(--node-color) 25%, transparent);
    font-size: 0.9rem;
    flex-shrink: 0;
}

.tcv-node-icon svg { width: 14px; height: 14px; }

.tcv-node-title {
    flex: 1;
    min-width: 0;
    font-size: 0.83rem;
    font-weight: 600;
    color: var(--text-strong);
    font-family: var(--font-mono);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    letter-spacing: -0.005em;
}

.tcv-node-title.is-empty {
    color: var(--tcv-muted);
    font-style: italic;
    font-family: var(--font-sans);
    font-weight: 500;
}

.tcv-node-status {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
    background: var(--tcv-muted);
    box-shadow: 0 0 0 2px var(--tcv-surface);
}

.tcv-node-status.is-ok { background: #10b981; box-shadow: 0 0 0 2px var(--tcv-surface), 0 0 0 4px rgba(16, 185, 129, 0.18); }
.tcv-node-status.is-warn { background: #f59e0b; box-shadow: 0 0 0 2px var(--tcv-surface), 0 0 0 4px rgba(245, 158, 11, 0.18); }
.tcv-node-status.is-empty { background: #94a3b8; }

.tcv-node-desc {
    font-size: 0.73rem;
    color: var(--tcv-muted);
    line-height: 1.45;
    margin: 0 14px 12px;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.tcv-node-meta {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 9px 14px;
    background: linear-gradient(180deg, transparent, var(--tcv-surface-2));
    border-top: 1px solid var(--tcv-border);
    flex-wrap: wrap;
}

.tcv-node-op {
    display: inline-flex;
    align-items: center;
    padding: 3px 8px;
    background: linear-gradient(135deg,
        color-mix(in srgb, var(--node-color) 18%, transparent),
        color-mix(in srgb, var(--node-color) 10%, transparent));
    color: var(--node-color);
    border-radius: 5px;
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    font-family: var(--font-mono);
    border: 1px solid color-mix(in srgb, var(--node-color) 22%, transparent);
}

.tcv-node-meta-chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 7px;
    background: var(--tcv-surface);
    color: var(--tcv-muted);
    border-radius: 5px;
    font-size: 0.66rem;
    font-family: var(--font-mono);
    border: 1px solid var(--tcv-border);
    max-width: 130px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.tcv-node-meta-chip svg { width: 9px; height: 9px; flex-shrink: 0; }

/* Integration provenance — small chip just below the title showing the
   OpenAPI/Postman/GraphQL spec the tool was imported from. Only rendered
   when `tool.integration_id` resolves to a known integration. */
.tcv-node-integration {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    margin: 0 14px 6px;
    padding: 3px 8px;
    background: color-mix(in srgb, var(--node-color) 8%, var(--tcv-surface));
    border: 1px solid color-mix(in srgb, var(--node-color) 22%, var(--tcv-border));
    border-radius: 5px;
    font-size: 0.62rem;
    font-weight: 600;
    color: color-mix(in srgb, var(--node-color) 70%, var(--text-secondary));
    font-family: var(--font-mono);
    letter-spacing: 0.01em;
    max-width: calc(100% - 28px);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.tcv-node-integration svg { width: 10px; height: 10px; flex-shrink: 0; }

.tcv-node.is-imported {
    /* Subtle visual cue distinguishing imported tools from hand-built ones. */
    box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04),
                inset 2px 0 0 color-mix(in srgb, var(--node-color) 35%, transparent);
}

/* ── Agent anchor node ────────────────────────────────────────────────────── */

.tcv-anchor {
    width: 156px;
    background: linear-gradient(135deg,
        color-mix(in srgb, var(--text-strong) 92%, var(--tcv-accent) 30%),
        var(--text-strong));
    color: var(--bg-0);
    border: none;
    border-radius: 14px;
    padding: 14px 14px;
    box-shadow:
        0 0 0 6px color-mix(in srgb, var(--text-strong) 5%, transparent),
        var(--tcv-shadow-lg);
    text-align: center;
    cursor: default;
}

[data-theme="dark"] .tcv-anchor {
    background: linear-gradient(135deg, var(--bg-3), color-mix(in srgb, var(--bg-3) 70%, var(--tcv-accent) 50%));
    color: var(--text-strong);
}

.tcv-anchor-label {
    font-size: 0.6rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    opacity: 0.7;
    margin-bottom: 6px;
}

.tcv-anchor-title {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 4px;
    letter-spacing: -0.01em;
}

.tcv-anchor-sub {
    font-size: 0.7rem;
    opacity: 0.7;
}

.tcv-anchor-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 10px;
}

.tcv-anchor-icon svg { width: 18px; height: 18px; }

/* ── Pipeline node (mini-flow per tool) ───────────────────────────────────── */

.tcv-pnode {
    --pnode-color: #6366f1;
    background: var(--tcv-surface);
    border: 1px solid var(--tcv-border);
    border-radius: 12px;
    width: 196px;
    padding: 0;
    box-shadow: var(--tcv-shadow-md);
    cursor: pointer;
    transition: all 0.18s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    position: relative;
}

.tcv-pnode::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--pnode-color), color-mix(in srgb, var(--pnode-color) 60%, transparent));
}

.tcv-pnode:hover {
    border-color: color-mix(in srgb, var(--pnode-color) 35%, var(--tcv-border));
    box-shadow: var(--tcv-shadow-lg);
    transform: translateY(-1px);
}

.drawflow-node.selected .tcv-pnode {
    border-color: var(--pnode-color);
    box-shadow:
        0 0 0 3px color-mix(in srgb, var(--pnode-color) 22%, transparent),
        var(--tcv-shadow-lg);
}

.tcv-pnode-inner { padding: 14px 16px; }

.tcv-pnode-stage {
    display: inline-block;
    padding: 3px 8px;
    background: color-mix(in srgb, var(--pnode-color) 14%, transparent);
    color: var(--pnode-color);
    border-radius: 5px;
    font-size: 0.6rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 10px;
    font-family: var(--font-mono);
    border: 1px solid color-mix(in srgb, var(--pnode-color) 22%, transparent);
}

.tcv-pnode-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg,
        color-mix(in srgb, var(--pnode-color) 22%, transparent),
        color-mix(in srgb, var(--pnode-color) 10%, transparent));
    color: var(--pnode-color);
    margin-bottom: 10px;
    border: 1px solid color-mix(in srgb, var(--pnode-color) 25%, transparent);
}

.tcv-pnode-icon svg { width: 17px; height: 17px; }

.tcv-pnode-title {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-strong);
    margin-bottom: 4px;
    letter-spacing: -0.01em;
}

.tcv-pnode-desc {
    font-size: 0.72rem;
    color: var(--tcv-muted);
    line-height: 1.45;
}

.tcv-pnode-status {
    margin-top: 12px;
    padding: 8px 16px;
    background: var(--tcv-surface-2);
    border-top: 1px solid var(--tcv-border);
    font-size: 0.7rem;
    color: var(--tcv-muted);
    display: flex;
    align-items: center;
    gap: 6px;
}

.tcv-pnode-status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--tcv-muted);
    flex-shrink: 0;
}

.tcv-pnode-status-dot.is-ok { background: #10b981; box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.18); }
.tcv-pnode-status-dot.is-warn { background: #f59e0b; box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.18); }
.tcv-pnode-status-dot.is-empty { background: #94a3b8; }

.tcv-pnode-status-text {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-family: var(--font-mono);
    font-size: 0.66rem;
}

/* ══ Inspector (right) ═══════════════════════════════════════════════════ */

.tcv-inspector {
    background: var(--tcv-surface);
    border-left: 1px solid var(--tcv-border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: width 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.tcv-inspector-header {
    padding: 14px 16px;
    border-bottom: 1px solid var(--tcv-border);
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
    background: linear-gradient(180deg, var(--tcv-surface), var(--tcv-surface-2));
}

.tcv-inspector-title {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-strong);
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    letter-spacing: -0.01em;
}

.tcv-inspector-subtitle {
    font-size: 0.7rem;
    color: var(--tcv-muted);
    margin-top: 1px;
    font-family: var(--font-mono);
}

.tcv-inspector-collapse {
    background: transparent;
    border: 1px solid var(--tcv-border);
    border-radius: 7px;
    width: 28px;
    height: 28px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--tcv-muted);
    transition: all 0.15s;
    flex-shrink: 0;
}

.tcv-inspector-collapse:hover {
    color: var(--text-strong);
    border-color: var(--text-secondary);
    background: var(--tcv-bg);
}

.tcv-inspector-collapse svg { width: 13px; height: 13px; transition: transform 0.2s; }
.is-inspector-collapsed .tcv-inspector-collapse svg { transform: rotate(180deg); }

.tcv-inspector-body {
    flex: 1;
    overflow-y: auto;
    padding: 16px 18px 30px;
    scrollbar-width: thin;
}

.tcv-inspector-body::-webkit-scrollbar { width: 6px; }
.tcv-inspector-body::-webkit-scrollbar-thumb { background: var(--tcv-border-strong); border-radius: 3px; }

.tcv-inspector-empty {
    padding: 70px 24px;
    text-align: center;
    color: var(--tcv-muted);
}

.tcv-inspector-empty-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 14px;
    background: var(--tcv-bg);
    border-radius: 12px;
    border: 1px solid var(--tcv-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--tcv-muted);
}

.tcv-inspector-empty-icon svg { width: 22px; height: 22px; opacity: 0.6; }

.tcv-inspector-empty-title {
    font-size: 0.88rem;
    color: var(--text-secondary);
    margin-bottom: 6px;
    font-weight: 500;
}

.tcv-inspector-empty-hint {
    font-size: 0.74rem;
    line-height: 1.55;
    color: var(--tcv-muted);
    max-width: 240px;
    margin: 0 auto;
}

.tcv-inspector-section { margin-bottom: 20px; }

.tcv-inspector-section-label {
    font-size: 0.62rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--tcv-muted);
    margin-bottom: 9px;
}

.tcv-inspector-summary {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    border: 1px solid var(--tcv-border);
    border-radius: 11px;
    background: linear-gradient(180deg, var(--tcv-surface), var(--tcv-surface-2));
}

.tcv-inspector-summary-icon {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    border: 1px solid color-mix(in srgb, var(--ds-color, #6b7280) 25%, transparent);
    background: linear-gradient(135deg,
        color-mix(in srgb, var(--ds-color, #6b7280) 22%, transparent),
        color-mix(in srgb, var(--ds-color, #6b7280) 10%, transparent));
    color: var(--ds-color, #6b7280);
}

.tcv-inspector-summary-name {
    font-size: 0.86rem;
    font-weight: 600;
    color: var(--text-strong);
    font-family: var(--font-mono);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    letter-spacing: -0.01em;
}

.tcv-inspector-summary-meta {
    font-size: 0.7rem;
    color: var(--tcv-muted);
    margin-top: 2px;
}

.tcv-inspector-badge-ok,
.tcv-inspector-badge-err {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 9px;
    border-radius: 999px;
    font-size: 0.62rem;
    font-weight: 700;
    flex-shrink: 0;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.tcv-inspector-badge-ok {
    background: rgba(16, 185, 129, 0.12);
    color: #059669;
}

[data-theme="dark"] .tcv-inspector-badge-ok { color: #10b981; }

.tcv-inspector-badge-err {
    background: rgba(239, 68, 68, 0.12);
    color: #dc2626;
}

.tcv-inspector-input-row {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    background: var(--tcv-bg);
    border: 1px solid var(--tcv-border);
    border-radius: 8px;
    margin-bottom: 5px;
    transition: border-color 0.12s;
}

.tcv-inspector-input-row:hover { border-color: var(--tcv-border-strong); }

.tcv-inspector-input-name {
    font-size: 0.76rem;
    color: var(--text-strong);
    font-family: var(--font-mono);
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    letter-spacing: -0.005em;
}

.tcv-inspector-input-type {
    font-size: 0.66rem;
    color: var(--tcv-muted);
    font-family: var(--font-mono);
    padding: 1px 6px;
    background: var(--tcv-surface);
    border-radius: 4px;
    border: 1px solid var(--tcv-border);
}

.tcv-inspector-input-req {
    font-size: 0.6rem;
    color: #ef4444;
    font-weight: 800;
}

.tcv-inspector-output-chips { display: flex; flex-wrap: wrap; gap: 5px; }

.tcv-inspector-output-chip {
    padding: 3px 9px;
    font-size: 0.7rem;
    background: rgba(16, 185, 129, 0.1);
    color: #059669;
    border-radius: 5px;
    font-family: var(--font-mono);
    border: 1px solid rgba(16, 185, 129, 0.18);
}

[data-theme="dark"] .tcv-inspector-output-chip { color: #10b981; }

.tcv-inspector-actions {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding-top: 4px;
}

.tcv-inspector-actions-row {
    display: flex;
    gap: 6px;
}

/* ══ Toolbar (bottom-floating) ═══════════════════════════════════════════ */

.tcv-toolbar {
    position: absolute;
    bottom: 14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--tcv-surface);
    border: 1px solid var(--tcv-border);
    border-radius: 999px;
    padding: 5px;
    display: flex;
    align-items: center;
    gap: 1px;
    box-shadow: var(--tcv-shadow-lg);
    z-index: 5;
    backdrop-filter: blur(12px);
}

[data-theme="dark"] .tcv-toolbar {
    background: color-mix(in srgb, var(--tcv-surface) 90%, transparent);
}

.tcv-toolbar-btn {
    width: 32px;
    height: 32px;
    background: transparent;
    border: none;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--tcv-muted);
    transition: all 0.12s;
    padding: 0;
    position: relative;
}

.tcv-toolbar-btn:hover {
    background: var(--tcv-bg);
    color: var(--text-strong);
}

.tcv-toolbar-btn.is-active {
    background: color-mix(in srgb, var(--tcv-accent) 14%, transparent);
    color: var(--tcv-accent);
}

.tcv-toolbar-btn svg { width: 14px; height: 14px; }

.tcv-toolbar-btn[data-tip]:hover::after {
    content: attr(data-tip);
    position: absolute;
    bottom: calc(100% + 6px);
    left: 50%;
    transform: translateX(-50%);
    padding: 4px 8px;
    background: var(--text-strong);
    color: var(--bg-0);
    border-radius: 5px;
    font-size: 0.68rem;
    white-space: nowrap;
    pointer-events: none;
    z-index: 10;
}

.tcv-toolbar-zoom-label {
    font-size: 0.7rem;
    color: var(--tcv-muted);
    padding: 0 8px;
    font-variant-numeric: tabular-nums;
    min-width: 44px;
    text-align: center;
    font-family: var(--font-mono);
    user-select: none;
}

.tcv-toolbar-sep {
    width: 1px;
    height: 18px;
    background: var(--tcv-border);
    margin: 0 4px;
}

/* ══ Minimap ═════════════════════════════════════════════════════════════ */

.tcv-minimap {
    position: absolute;
    bottom: 14px;
    right: 14px;
    width: 168px;
    height: 116px;
    background: var(--tcv-surface);
    border: 1px solid var(--tcv-border);
    border-radius: 10px;
    box-shadow: var(--tcv-shadow-lg);
    overflow: hidden;
    z-index: 5;
    backdrop-filter: blur(12px);
}

.tcv-minimap.is-hidden { display: none; }

.tcv-minimap::before {
    content: 'Map';
    position: absolute;
    top: 6px;
    left: 8px;
    font-size: 0.56rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--tcv-muted);
    z-index: 2;
    pointer-events: none;
}

.tcv-minimap svg {
    width: 100%;
    height: 100%;
    display: block;
    cursor: crosshair;
}

.tcv-minimap-node {
    fill: var(--text-secondary);
    opacity: 0.55;
    transition: fill 0.1s;
    rx: 2;
}

.tcv-minimap-node.is-selected {
    fill: var(--tcv-accent);
    opacity: 1;
}

.tcv-minimap-viewport {
    fill: color-mix(in srgb, var(--tcv-accent) 12%, transparent);
    stroke: color-mix(in srgb, var(--tcv-accent) 70%, transparent);
    stroke-width: 1.2;
    rx: 2;
}

/* ══ Top bar (above canvas) ═══════════════════════════════════════════════ */

.tcv-topbar {
    position: absolute;
    top: 14px;
    left: 14px;
    right: 14px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    pointer-events: none;
    z-index: 4;
    gap: 10px;
}

.tcv-topbar > * { pointer-events: auto; }

.tcv-topbar-info {
    background: var(--tcv-surface);
    border: 1px solid var(--tcv-border);
    border-radius: 10px;
    padding: 8px 14px;
    font-size: 0.74rem;
    color: var(--tcv-muted);
    box-shadow: var(--tcv-shadow-sm);
    display: flex;
    align-items: center;
    gap: 10px;
    backdrop-filter: blur(12px);
}

.tcv-topbar-info strong {
    color: var(--text-strong);
    font-variant-numeric: tabular-nums;
    font-size: 0.84rem;
    letter-spacing: -0.01em;
}

.tcv-topbar-stats {
    display: flex;
    align-items: center;
    gap: 10px;
}

.tcv-topbar-stat-sep {
    width: 1px;
    height: 14px;
    background: var(--tcv-border);
}

.tcv-topbar-actions {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 5px;
    background: var(--tcv-surface);
    border: 1px solid var(--tcv-border);
    border-radius: 10px;
    box-shadow: var(--tcv-shadow-sm);
    backdrop-filter: blur(12px);
}

.tcv-topbar-action {
    background: transparent;
    border: none;
    border-radius: 7px;
    padding: 5px 10px;
    font-size: 0.72rem;
    color: var(--text-secondary);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    transition: all 0.12s;
}

.tcv-topbar-action:hover {
    background: var(--tcv-bg);
    color: var(--text-strong);
}

.tcv-topbar-action svg { width: 12px; height: 12px; }

.tcv-kbd {
    display: inline-flex;
    align-items: center;
    padding: 1px 5px;
    font-size: 0.62rem;
    font-family: var(--font-mono);
    color: var(--tcv-muted);
    background: var(--tcv-bg);
    border: 1px solid var(--tcv-border);
    border-radius: 3px;
    line-height: 1.3;
}

/* ══ Mini-flow modal (full overlay) ══════════════════════════════════════ */

.tcv-flow-overlay {
    /* The flow modal is appended to <body>, outside `.tcv-shell`, so the
       canvas-scoped tokens need to be redeclared here or the modal
       renders with undefined vars (invisible panel, broken layout). */
    --tcv-palette-w: 248px;
    --tcv-inspector-w: 380px;
    --tcv-toolbar-h: 44px;
    --tcv-radius: 16px;
    --tcv-bg: var(--bg-1);
    --tcv-surface: var(--bg-0);
    --tcv-surface-2: color-mix(in srgb, var(--bg-0) 70%, var(--bg-1));
    --tcv-border: var(--border);
    --tcv-border-strong: color-mix(in srgb, var(--border) 60%, var(--text-muted));
    --tcv-text: var(--text-primary);
    --tcv-muted: var(--text-muted);
    --tcv-shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04);
    --tcv-shadow-md: 0 4px 12px rgba(15, 23, 42, 0.06), 0 1px 3px rgba(15, 23, 42, 0.04);
    --tcv-shadow-lg: 0 12px 32px -8px rgba(15, 23, 42, 0.12), 0 4px 12px -4px rgba(15, 23, 42, 0.08);
    --tcv-grid-dot: rgba(0, 0, 0, 0.035);
    --tcv-grid-bg: linear-gradient(180deg, color-mix(in srgb, var(--bg-1) 70%, transparent), var(--bg-1));
    --tcv-accent: #6366f1;
    position: fixed;
    inset: 0;
    background: rgba(2, 6, 23, 0.5);
    z-index: 9000;
    display: none;
    align-items: stretch;
    justify-content: stretch;
    backdrop-filter: blur(6px);
    animation: tcv-fade-in 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] .tcv-flow-overlay {
    --tcv-grid-dot: rgba(255, 255, 255, 0.028);
    --tcv-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
    --tcv-shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4), 0 1px 3px rgba(0, 0, 0, 0.3);
    --tcv-shadow-lg: 0 12px 32px -8px rgba(0, 0, 0, 0.5), 0 4px 12px -4px rgba(0, 0, 0, 0.4);
}

.tcv-flow-overlay.is-open {
    display: flex;
    align-items: center;
    justify-content: center;
}

@keyframes tcv-fade-in { from { opacity: 0; } to { opacity: 1; } }
@keyframes tcv-slide-up {
    from { opacity: 0; transform: translateY(12px) scale(0.99); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.tcv-flow-modal {
    width: min(960px, calc(100vw - 48px));
    height: min(720px, calc(100vh - 48px));
    background: var(--tcv-bg);
    border: 1px solid var(--tcv-border);
    border-radius: 14px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: 0 24px 64px -12px rgba(15, 23, 42, 0.18),
                0 8px 20px -6px rgba(15, 23, 42, 0.10);
    animation: tcv-slide-up 0.22s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] .tcv-flow-modal {
    box-shadow: 0 24px 64px -12px rgba(0, 0, 0, 0.55),
                0 8px 20px -6px rgba(0, 0, 0, 0.35);
}

.tcv-flow-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 20px;
    border-bottom: 1px solid var(--tcv-border);
    background: linear-gradient(180deg, var(--tcv-surface), var(--tcv-surface-2));
}

.tcv-flow-back-btn {
    background: transparent;
    border: 1px solid var(--tcv-border);
    border-radius: 8px;
    padding: 7px 12px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.76rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.12s;
}

.tcv-flow-back-btn:hover {
    background: var(--tcv-bg);
    color: var(--text-strong);
    border-color: var(--text-secondary);
}

.tcv-flow-back-btn svg { width: 12px; height: 12px; }

.tcv-flow-title-wrap {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
}

.tcv-flow-title-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    border: 1px solid var(--tcv-border);
}

.tcv-flow-title-icon svg { width: 16px; height: 16px; }

.tcv-flow-title-input {
    background: transparent;
    border: 1px solid transparent;
    border-radius: 8px;
    padding: 6px 10px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-strong);
    font-family: var(--font-mono);
    outline: none;
    min-width: 240px;
    transition: all 0.12s;
    letter-spacing: -0.01em;
}

.tcv-flow-title-input:hover {
    background: var(--tcv-bg);
    border-color: var(--tcv-border);
}

.tcv-flow-title-input:focus {
    border-color: var(--tcv-accent);
    background: var(--tcv-surface);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--tcv-accent) 20%, transparent);
}

.tcv-flow-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ══ Buttons ═══════════════════════════════════════════════════════════════ */

.tcv-btn {
    background: var(--tcv-surface);
    border: 1px solid var(--tcv-border);
    border-radius: 8px;
    padding: 7px 13px;
    font-size: 0.76rem;
    font-weight: 500;
    color: var(--text-strong);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: all 0.12s;
    font-family: var(--font-sans);
    line-height: 1;
}

.tcv-btn:hover {
    background: var(--tcv-bg);
    border-color: var(--text-secondary);
    transform: translateY(-1px);
    box-shadow: var(--tcv-shadow-sm);
}

.tcv-btn:active { transform: translateY(0); }

.tcv-btn-primary {
    background: var(--text-strong);
    color: var(--bg-0);
    border-color: var(--text-strong);
}

.tcv-btn-primary:hover {
    background: var(--text-strong);
    opacity: 0.9;
    border-color: var(--text-strong);
}

[data-theme="dark"] .tcv-btn-primary {
    background: var(--text-strong);
    color: var(--bg-0);
}

.tcv-btn-danger {
    color: #dc2626;
    border-color: rgba(239, 68, 68, 0.25);
    background: rgba(239, 68, 68, 0.04);
}

.tcv-btn-danger:hover {
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.4);
    color: #dc2626;
}

.tcv-btn svg { width: 13px; height: 13px; flex-shrink: 0; }

/* ── Flow modal — Linear-inspired stepper editor ─────────────────────────── */

/* Stepper bar — connected pills under header */
.tcv-flow-stepper {
    display: flex;
    align-items: center;
    gap: 0;
    padding: 18px 28px;
    border-bottom: 1px solid var(--tcv-border);
    background: var(--tcv-surface-2);
    overflow-x: auto;
    scrollbar-width: none;
}
.tcv-flow-stepper::-webkit-scrollbar { display: none; }

.tcv-flow-step {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    padding: 7px 14px 7px 7px;
    background: transparent;
    border: 1px solid transparent;
    border-radius: 999px;
    cursor: pointer;
    color: var(--text-muted);
    font-size: 0.78rem;
    font-weight: 500;
    font-family: var(--font-sans);
    transition: color 0.12s, background 0.12s, border-color 0.12s;
    white-space: nowrap;
    line-height: 1;
}

.tcv-flow-step:hover {
    color: var(--text-strong);
    background: var(--tcv-surface);
    border-color: var(--tcv-border);
}

.tcv-flow-step.is-active {
    color: var(--text-strong);
    background: var(--tcv-surface);
    border-color: var(--tcv-border-strong);
    font-weight: 600;
    box-shadow: var(--tcv-shadow-sm);
}

.tcv-flow-step.is-done { color: var(--text-secondary); }
.tcv-flow-step.is-error { color: #dc2626; }

.tcv-flow-step-num {
    width: 22px;
    height: 22px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 600;
    background: var(--bg-1);
    color: var(--text-muted);
    border: 1px solid var(--tcv-border);
    transition: all 0.12s;
    flex-shrink: 0;
}

.tcv-flow-step.is-active .tcv-flow-step-num {
    background: var(--tcv-accent);
    color: #fff;
    border-color: var(--tcv-accent);
}

.tcv-flow-step.is-done .tcv-flow-step-num {
    background: #10b981;
    color: #fff;
    border-color: #10b981;
}

.tcv-flow-step.is-error .tcv-flow-step-num {
    background: #fef2f2;
    color: #dc2626;
    border-color: rgba(239, 68, 68, 0.35);
}

[data-theme="dark"] .tcv-flow-step.is-error .tcv-flow-step-num {
    background: rgba(239, 68, 68, 0.12);
}

.tcv-flow-step-num svg {
    width: 12px;
    height: 12px;
}

.tcv-flow-step-label {
    letter-spacing: -0.005em;
}

.tcv-flow-step-sep {
    flex: 0 0 28px;
    height: 1px;
    background: var(--tcv-border);
    margin: 0 4px;
    transition: background 0.18s;
}

.tcv-flow-step-sep.is-done {
    background: color-mix(in srgb, #10b981 50%, var(--tcv-border));
}

/* Form area — scrolling content for the active stage */
.tcv-flow-form-scroll {
    flex: 1;
    overflow-y: auto;
    background: var(--tcv-bg);
    min-height: 0;
}

.tcv-flow-form-scroll::-webkit-scrollbar { width: 8px; }
.tcv-flow-form-scroll::-webkit-scrollbar-thumb {
    background: var(--tcv-border-strong);
    border-radius: 4px;
}

.tcv-flow-form {
    max-width: 760px;
    margin: 0 auto;
    padding: 32px 28px 40px;
}

/* Tighten inspector-style sections inside the form so they breathe like
   a real form, not a side panel. */
.tcv-flow-form .tcv-inspector-section {
    padding: 18px 0;
    border-bottom: 1px solid var(--tcv-border);
}
.tcv-flow-form .tcv-inspector-section:last-child { border-bottom: none; }
.tcv-flow-form .tcv-inspector-section-label {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    margin-bottom: 10px;
}

/* Footer — prev / progress / next */
.tcv-flow-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 14px 28px;
    border-top: 1px solid var(--tcv-border);
    background: var(--tcv-surface-2);
}

.tcv-flow-footer .tcv-btn:disabled {
    opacity: 0.4;
    pointer-events: none;
}

.tcv-flow-progress {
    font-size: 0.74rem;
    color: var(--text-muted);
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.01em;
}

/* Title icon (datasource colored chip in header) */
.tcv-flow-title-icon {
    --ds-color: var(--text-muted);
    background: color-mix(in srgb, var(--ds-color) 14%, transparent);
    color: var(--ds-color);
    border-color: color-mix(in srgb, var(--ds-color) 30%, var(--tcv-border)) !important;
}

/* ══ Empty state ══════════════════════════════════════════════════════════ */

.tcv-empty {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
    z-index: 1;
    padding: 40px;
}

.tcv-empty-card {
    pointer-events: auto;
    text-align: center;
    padding: 40px 44px;
    background: linear-gradient(180deg, var(--tcv-surface), var(--tcv-surface-2));
    border: 1px solid var(--tcv-border);
    border-radius: 18px;
    max-width: 460px;
    box-shadow: var(--tcv-shadow-lg);
    position: relative;
    overflow: hidden;
}

.tcv-empty-card::before {
    content: '';
    position: absolute;
    top: -120px;
    left: 50%;
    width: 320px;
    height: 320px;
    transform: translateX(-50%);
    background: radial-gradient(circle, color-mix(in srgb, var(--tcv-accent) 15%, transparent), transparent 60%);
    pointer-events: none;
}

.tcv-empty-icon {
    position: relative;
    width: 56px;
    height: 56px;
    margin: 0 auto 16px;
    border-radius: 16px;
    background: linear-gradient(135deg,
        color-mix(in srgb, var(--tcv-accent) 18%, transparent),
        color-mix(in srgb, var(--tcv-accent) 8%, transparent));
    border: 1px solid color-mix(in srgb, var(--tcv-accent) 22%, transparent);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--tcv-accent);
}

.tcv-empty-icon svg { width: 24px; height: 24px; }

.tcv-empty-title {
    position: relative;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-strong);
    margin-bottom: 6px;
    letter-spacing: -0.01em;
}

.tcv-empty-hint {
    position: relative;
    font-size: 0.82rem;
    color: var(--tcv-muted);
    line-height: 1.55;
    margin-bottom: 20px;
}

.tcv-empty-templates {
    position: relative;
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    justify-content: center;
}

.tcv-empty-tpl-btn {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 8px 13px;
    background: var(--tcv-surface);
    border: 1px solid var(--tcv-border);
    border-radius: 9px;
    font-size: 0.76rem;
    font-weight: 500;
    color: var(--text-strong);
    cursor: pointer;
    transition: all 0.15s;
    font-family: var(--font-sans);
}

.tcv-empty-tpl-btn:hover {
    background: var(--tcv-bg);
    border-color: var(--ds-color, var(--text-secondary));
    transform: translateY(-1px);
    box-shadow: var(--tcv-shadow-sm);
}

.tcv-empty-tpl-icon {
    width: 22px;
    height: 22px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ds-color, #6b7280);
    background: color-mix(in srgb, var(--ds-color, #6b7280) 14%, transparent);
    flex-shrink: 0;
}

.tcv-empty-tpl-icon svg { width: 11px; height: 11px; }

/* ── Responsive ───────────────────────────────────────────────────────────── */

@media (max-width: 1280px) {
    .tcv-shell { --tcv-palette-w: 220px; --tcv-inspector-w: 340px; }
}

@media (max-width: 1100px) {
    .tcv-shell { --tcv-palette-w: 200px; --tcv-inspector-w: 320px; }
}

@media (max-width: 900px) {
    .tcv-shell { grid-template-columns: 1fr; height: calc(100vh - 160px); }
    .tcv-palette, .tcv-inspector { display: none; }
}

/* ════════════════════════════════════════════════════════════════════════════
   Tier 1+2: Validation, context menu, hover, cheatsheet, coachmark, lanes
   ════════════════════════════════════════════════════════════════════════════ */

/* ── Custom SVG edge layer (anchor → tools) ───────────────────────────────── */

.tcv-edges-svg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none; /* never blocks drag */
    z-index: 1;
    overflow: visible;
}

.tcv-edge {
    fill: none;
    stroke-width: 1.8;
    opacity: 0.5;
    stroke-linecap: round;
    transition: opacity 0.18s, stroke-width 0.18s;
}

.tcv-edge.is-selected,
.tcv-edge.is-hover {
    opacity: 1;
    stroke-width: 2.4;
    stroke-dasharray: 6 28;
    animation: tcv-edge-flow 2.6s linear infinite;
}

@keyframes tcv-edge-flow {
    from { stroke-dashoffset: 0; }
    to   { stroke-dashoffset: -68; }
}

.tcv-edge-dot {
    opacity: 0.85;
}

/* Tool nodes: clear move affordance */
.tcv-canvas .drawflow-node[class*="tcv-toolnode"] { cursor: move; }
.tcv-canvas .drawflow-node[class*="tcv-anchor"]   { cursor: default; }

/* Lane bands ───────────────────────────────────────────────────────────── */

.tcv-lane-bands {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
    z-index: 0;
}

/* Floating lane label — no enclosing rectangle. Just a chip pinned
   above the top-left tool of each datasource group. Spatial proximity
   plus each card's coloured top stripe carry the grouping. The old
   bordered band overlapped neighbouring lanes and the agent anchor;
   dropping it removes the visual debt with zero loss of grouping cue. */
.tcv-lane-label--floating {
    --lane-color: #6b7280;
    position: absolute;
    transform: translateY(-100%);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.62rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--lane-color);
    background: var(--tcv-surface);
    padding: 4px 10px;
    border-radius: 999px;
    border: 1px solid color-mix(in srgb, var(--lane-color) 22%, var(--tcv-border));
    box-shadow: var(--tcv-shadow-sm);
    pointer-events: none;
    white-space: nowrap;
}

/* Per-integration sub-chip — anchors above each integration's cluster
   inside a lane. Lighter weight than the primary lane chip so the
   hierarchy stays readable: lane (uppercase, lane-color) → integration
   (mixed case, muted). Only rendered when the lane mixes >1 source. */
.tcv-lane-sublabel {
    --lane-color: #6b7280;
    position: absolute;
    transform: translateY(-100%);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.66rem;
    font-weight: 600;
    color: var(--text-secondary);
    background: var(--tcv-surface);
    padding: 3px 9px;
    border-radius: 999px;
    border: 1px dashed color-mix(in srgb, var(--lane-color) 30%, var(--tcv-border));
    pointer-events: none;
    white-space: nowrap;
    letter-spacing: 0.005em;
}

.tcv-lane-sublabel .tcv-lane-count {
    background: color-mix(in srgb, var(--lane-color) 14%, transparent);
    color: var(--lane-color);
    font-size: 0.58rem;
    padding: 0 6px;
    border-radius: 999px;
    margin-left: 2px;
}

.tcv-lane-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--lane-color);
}

.tcv-lane-count {
    font-size: 0.6rem;
    padding: 0 5px;
    background: color-mix(in srgb, var(--lane-color) 14%, transparent);
    border-radius: 999px;
    margin-left: 2px;
}

/* ── Save status ──────────────────────────────────────────────────────────── */

.tcv-save-status {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 9px;
    border-radius: 7px;
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--text-muted);
    background: transparent;
    transition: all 0.18s;
    line-height: 1;
}

.tcv-save-status svg { width: 11px; height: 11px; }

.tcv-save-status.is-saved {
    color: #059669;
    background: rgba(16, 185, 129, 0.08);
}

[data-theme="dark"] .tcv-save-status.is-saved { color: #10b981; }

.tcv-save-status.is-dirty {
    color: #d97706;
    background: rgba(245, 158, 11, 0.08);
}

.tcv-save-status.is-saving { color: var(--text-muted); }

.tcv-spinner {
    width: 11px;
    height: 11px;
    border: 1.5px solid var(--text-muted);
    border-top-color: transparent;
    border-radius: 50%;
    animation: tcv-spin 0.8s linear infinite;
    display: inline-block;
}

@keyframes tcv-spin { to { transform: rotate(360deg); } }

/* ── Warning badge variants on tool node ──────────────────────────────────── */

.tcv-node-warning.is-warn {
    background: #f59e0b;
}

/* ── Issues panel inside inspector ────────────────────────────────────────── */

.tcv-inspector-badge-warn {
    display: inline-flex;
    align-items: center;
    padding: 3px 9px;
    border-radius: 999px;
    font-size: 0.62rem;
    font-weight: 700;
    background: rgba(245, 158, 11, 0.12);
    color: #b45309;
    flex-shrink: 0;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

[data-theme="dark"] .tcv-inspector-badge-warn { color: #f59e0b; }

.tcv-issue-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.tcv-issue-row {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 9px 10px;
    background: var(--bg-1);
    border: 1px solid var(--border);
    border-radius: 9px;
    cursor: pointer;
    transition: all 0.12s;
    text-align: left;
    width: 100%;
    font-family: var(--font-sans);
}

.tcv-issue-row:hover {
    border-color: var(--text-secondary);
    background: var(--bg-2, var(--bg-1));
    transform: translateX(2px);
}

.tcv-issue-row.is-error {
    border-color: rgba(239, 68, 68, 0.25);
    background: rgba(239, 68, 68, 0.05);
}

.tcv-issue-row.is-warn {
    border-color: rgba(245, 158, 11, 0.25);
    background: rgba(245, 158, 11, 0.05);
}

.tcv-issue-icon {
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #ef4444;
    margin-top: 1px;
}

.tcv-issue-row.is-warn .tcv-issue-icon { color: #d97706; }

.tcv-issue-icon svg { width: 14px; height: 14px; }

.tcv-issue-body { flex: 1; min-width: 0; }

.tcv-issue-message {
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--text-strong);
    line-height: 1.35;
    margin-bottom: 2px;
}

.tcv-issue-fix {
    font-size: 0.7rem;
    color: var(--text-muted);
    line-height: 1.45;
}

.tcv-issue-chev {
    width: 11px;
    height: 11px;
    color: var(--text-muted);
    flex-shrink: 0;
    margin-top: 4px;
    transition: transform 0.15s;
}

.tcv-issue-row:hover .tcv-issue-chev { transform: translateX(2px); color: var(--text-strong); }

/* ── Context menu (right-click) ───────────────────────────────────────────── */

.tcv-ctxmenu {
    position: fixed;
    background: var(--bg-0);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 4px;
    min-width: 200px;
    box-shadow: 0 12px 32px -8px rgba(15, 23, 42, 0.18), 0 4px 8px rgba(15, 23, 42, 0.08);
    z-index: 9500;
    font-family: var(--font-sans);
    backdrop-filter: blur(12px);
    display: none;
    opacity: 0;
    transform: translateY(-4px) scale(0.98);
    transition: opacity 0.12s, transform 0.12s;
}

.tcv-ctxmenu.is-open {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.tcv-ctxmenu-item {
    display: flex;
    align-items: center;
    gap: 9px;
    padding: 7px 10px;
    border: none;
    background: transparent;
    border-radius: 6px;
    width: 100%;
    cursor: pointer;
    font-size: 0.78rem;
    color: var(--text-strong);
    transition: background 0.1s;
    font-family: var(--font-sans);
}

.tcv-ctxmenu-item:hover { background: var(--bg-1); }

.tcv-ctxmenu-item.is-danger { color: #dc2626; }

.tcv-ctxmenu-item.is-danger:hover { background: rgba(239, 68, 68, 0.08); }

.tcv-ctxmenu-icon {
    width: 14px;
    height: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    flex-shrink: 0;
}

.tcv-ctxmenu-item.is-danger .tcv-ctxmenu-icon { color: #dc2626; }

.tcv-ctxmenu-icon svg { width: 14px; height: 14px; }

.tcv-ctxmenu-label { flex: 1; text-align: left; }

.tcv-ctxmenu-kbd {
    font-size: 0.66rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
    padding: 1px 5px;
    background: var(--bg-1);
    border: 1px solid var(--border);
    border-radius: 4px;
}

.tcv-ctxmenu-sep {
    height: 1px;
    background: var(--border);
    margin: 4px 6px;
}

/* ── Hover preview ────────────────────────────────────────────────────────── */

.tcv-hover-preview {
    position: fixed;
    background: var(--bg-0);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 14px;
    width: 320px;
    box-shadow: 0 16px 40px -8px rgba(15, 23, 42, 0.18), 0 4px 12px rgba(15, 23, 42, 0.06);
    z-index: 9400;
    font-family: var(--font-sans);
    backdrop-filter: blur(12px);
    display: none;
    opacity: 0;
    transform: translateY(4px);
    transition: opacity 0.15s, transform 0.15s;
    pointer-events: none;
}

.tcv-hover-preview.is-open {
    opacity: 1;
    transform: translateY(0);
}

.tcv-hover-header {
    --ds-color: #6b7280;
    display: flex;
    align-items: center;
    gap: 11px;
    margin-bottom: 8px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
}

.tcv-hover-icon {
    width: 30px;
    height: 30px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ds-color);
    background: linear-gradient(135deg, color-mix(in srgb, var(--ds-color) 22%, transparent), color-mix(in srgb, var(--ds-color) 10%, transparent));
    border: 1px solid color-mix(in srgb, var(--ds-color) 25%, transparent);
    flex-shrink: 0;
}

.tcv-hover-name {
    font-size: 0.86rem;
    font-weight: 600;
    color: var(--text-strong);
    font-family: var(--font-mono);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.tcv-hover-meta {
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-top: 1px;
}

.tcv-hover-desc {
    font-size: 0.78rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 10px;
}

.tcv-hover-section {
    margin-bottom: 10px;
}

.tcv-hover-section-label {
    font-size: 0.6rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    margin-bottom: 5px;
}

.tcv-hover-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

.tcv-hover-chip {
    padding: 2px 7px;
    font-size: 0.68rem;
    background: var(--bg-1);
    color: var(--text-strong);
    border: 1px solid var(--border);
    border-radius: 4px;
    font-family: var(--font-mono);
}

.tcv-hover-issue {
    font-size: 0.72rem;
    padding: 5px 8px;
    border-radius: 5px;
    margin-top: 3px;
    line-height: 1.4;
}

.tcv-hover-issue.is-error {
    background: rgba(239, 68, 68, 0.08);
    color: #dc2626;
}

.tcv-hover-issue.is-warn {
    background: rgba(245, 158, 11, 0.08);
    color: #b45309;
}

.tcv-hover-footer {
    margin-top: 6px;
    padding-top: 8px;
    border-top: 1px solid var(--border);
    font-size: 0.66rem;
    color: var(--text-muted);
    line-height: 1.5;
}

/* ── Cheatsheet overlay ───────────────────────────────────────────────────── */

.tcv-cheatsheet-overlay {
    position: fixed;
    inset: 0;
    background: rgba(2, 6, 23, 0.45);
    z-index: 9700;
    display: none;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(6px);
}

.tcv-cheatsheet-overlay.is-open {
    display: flex;
    animation: tcv-fade-in 0.2s;
}

.tcv-cheatsheet {
    background: var(--bg-0);
    border: 1px solid var(--border);
    border-radius: 14px;
    width: 540px;
    max-width: calc(100vw - 32px);
    max-height: calc(100vh - 64px);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: 0 24px 60px -8px rgba(0, 0, 0, 0.3);
    animation: tcv-slide-up 0.22s cubic-bezier(0.4, 0, 0.2, 1);
}

.tcv-cheatsheet-header {
    display: flex;
    align-items: center;
    padding: 14px 18px;
    border-bottom: 1px solid var(--border);
    background: linear-gradient(180deg, var(--bg-0), var(--bg-1));
}

.tcv-cheatsheet-title {
    flex: 1;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-strong);
    letter-spacing: -0.01em;
}

.tcv-cheatsheet-close {
    width: 28px;
    height: 28px;
    border: 1px solid var(--border);
    background: transparent;
    border-radius: 7px;
    cursor: pointer;
    color: var(--text-muted);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.12s;
}

.tcv-cheatsheet-close:hover {
    color: var(--text-strong);
    border-color: var(--text-secondary);
    background: var(--bg-1);
}

.tcv-cheatsheet-close svg { width: 14px; height: 14px; }

.tcv-cheatsheet-body {
    padding: 18px;
    overflow-y: auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.tcv-cheatsheet-section {
    padding: 12px 14px;
    background: var(--bg-1);
    border: 1px solid var(--border);
    border-radius: 10px;
}

.tcv-cheatsheet-section-label {
    font-size: 0.62rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.tcv-cheatsheet-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 6px 0;
    font-size: 0.76rem;
    color: var(--text-secondary);
    border-bottom: 1px dashed var(--border);
}

.tcv-cheatsheet-row:last-child { border-bottom: none; }

.tcv-cheatsheet-keys {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    flex-shrink: 0;
}

/* ── Coachmark (onboarding) ───────────────────────────────────────────────── */

.tcv-coachmark-overlay {
    position: fixed;
    inset: 0;
    background: rgba(2, 6, 23, 0.55);
    z-index: 9600;
    pointer-events: auto;
    backdrop-filter: blur(2px);
}

.tcv-coachmark-cutout {
    position: absolute;
    border-radius: 14px;
    box-shadow: 0 0 0 9999px rgba(2, 6, 23, 0.55);
    border: 2px solid var(--tcv-accent, #6366f1);
    pointer-events: none;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.tcv-coachmark-card {
    position: fixed;
    background: var(--bg-0);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 16px 18px;
    width: 320px;
    box-shadow: 0 18px 40px -8px rgba(0, 0, 0, 0.3);
    z-index: 9601;
    animation: tcv-slide-up 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.tcv-coachmark-step {
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--tcv-accent, #6366f1);
    margin-bottom: 6px;
}

.tcv-coachmark-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-strong);
    margin-bottom: 6px;
    letter-spacing: -0.01em;
}

.tcv-coachmark-body {
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.55;
    margin-bottom: 14px;
}

.tcv-coachmark-actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
}

/* ── Pipeline node hint (empty stage) ─────────────────────────────────────── */

.tcv-pnode-hint {
    margin-top: 8px;
    padding: 7px 10px;
    background: linear-gradient(135deg,
        color-mix(in srgb, var(--pnode-color) 12%, transparent),
        color-mix(in srgb, var(--pnode-color) 5%, transparent));
    border: 1px dashed color-mix(in srgb, var(--pnode-color) 30%, transparent);
    border-radius: 7px;
    font-size: 0.7rem;
    color: var(--pnode-color);
    line-height: 1.4;
    font-weight: 500;
}

.tcv-pnode-hint-arrow {
    display: inline-block;
    margin-right: 4px;
    transform: translateX(0);
    animation: tcv-arrow-bounce 1.6s ease-in-out infinite;
}

@keyframes tcv-arrow-bounce {
    0%, 100% { transform: translateX(0); }
    50%      { transform: translateX(3px); }
}

.tcv-pnode.has-hint {
    box-shadow: 0 0 0 2px color-mix(in srgb, var(--pnode-color) 12%, transparent),
                var(--tcv-shadow-md);
}

/* ── Agent dashboard panel (anchor node inspector) ───────────────────────── */

.tcv-dash {
    display: flex;
    flex-direction: column;
}

/* Readiness ring */
.tcv-dash-score {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px 20px 14px;
    border-bottom: 1px solid var(--tcv-border);
}

.tcv-dash-ring {
    width: 80px;
    height: 80px;
}

.tcv-dash-ring-bg {
    fill: none;
    stroke: var(--tcv-border);
    stroke-width: 6;
}

.tcv-dash-ring-fill {
    fill: none;
    stroke-width: 6;
    stroke-linecap: round;
    transition: stroke-dashoffset 0.4s ease, stroke 0.3s ease;
}

.tcv-dash-ring-num {
    font-size: 22px;
    font-weight: 700;
    fill: var(--text-primary, #1e293b);
}

.tcv-dash-ring-denom {
    font-size: 10px;
    font-weight: 400;
    fill: var(--text-muted, #94a3b8);
}

.tcv-dash-msg {
    font-size: 0.71rem;
    font-weight: 500;
    text-align: center;
    margin-top: 10px;
    line-height: 1.4;
}

.tcv-dash-msg--ok      { color: #22c55e; }
.tcv-dash-msg--warn    { color: #f59e0b; }
.tcv-dash-msg--err     { color: #ef4444; }
.tcv-dash-msg--neutral { color: var(--tcv-muted); }

/* Status pills */
.tcv-dash-pills {
    display: flex;
    gap: 6px;
    padding: 12px 14px;
    border-bottom: 1px solid var(--tcv-border);
}

.tcv-dash-pill {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: 7px 4px;
    border-radius: 8px;
    font-size: 0.63rem;
    font-weight: 500;
    color: var(--tcv-muted);
    background: color-mix(in srgb, var(--tcv-border) 30%, transparent);
}

.tcv-dash-pill-num {
    font-size: 1rem;
    font-weight: 700;
    line-height: 1;
}

.tcv-dash-pill--ok   .tcv-dash-pill-num { color: #22c55e; }
.tcv-dash-pill--warn .tcv-dash-pill-num { color: #f59e0b; }
.tcv-dash-pill--err  .tcv-dash-pill-num { color: #ef4444; }

/* Integrations section */
.tcv-dash-section {
    padding: 12px 16px;
    border-bottom: 1px solid var(--tcv-border);
}

.tcv-dash-section-title {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.63rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--tcv-muted);
    margin-bottom: 8px;
}

.tcv-dash-section-badge {
    font-size: 0.6rem;
    font-weight: 700;
    background: var(--tcv-accent);
    color: #fff;
    border-radius: 999px;
    padding: 1px 6px;
    letter-spacing: 0;
    text-transform: none;
}

.tcv-dash-integ-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 0;
    font-size: 0.78rem;
    color: var(--tcv-text);
}

.tcv-dash-integ-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #22c55e;
    flex-shrink: 0;
}

.tcv-dash-integ-name {
    flex: 1;
    font-weight: 500;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.tcv-dash-integ-tools {
    font-size: 0.63rem;
    color: var(--tcv-muted);
    white-space: nowrap;
}

.tcv-dash-empty-hint {
    font-size: 0.72rem;
    color: var(--tcv-muted);
    margin: 0;
    font-style: italic;
}

/* Actions */
.tcv-dash-actions {
    padding: 12px 14px 8px;
    display: flex;
    gap: 8px;
}

.tcv-btn-sm {
    font-size: 0.76rem;
    padding: 5px 11px;
    height: auto;
    gap: 5px;
}

.tcv-btn-sm svg { width: 13px; height: 13px; }

.tcv-btn-ghost {
    background: transparent !important;
    border: 1px solid var(--tcv-border) !important;
    color: var(--tcv-muted) !important;
    box-shadow: none !important;
}

.tcv-btn-ghost:hover {
    background: var(--tcv-surface) !important;
    color: var(--tcv-text) !important;
}