/* v3.1.0 AI-assisted Growth Path builder */
.ai-mode-launch { cursor: pointer; font: inherit; }
.ai-mode-launch:hover,
.ai-mode-launch:focus-visible {
    border-color: rgba(var(--accent-rgb),.5);
    background: var(--accent-soft);
    color: var(--accent) !important;
}

.ai-builder-modal-card {
    width: min(1100px, 100%);
    max-height: min(94vh, 980px);
    overflow: auto;
    padding: 24px;
}
.ai-builder-modal-card .modal-header h2 { margin: 0; font-size: clamp(26px, 4vw, 38px); }
.ai-builder-intro {
    max-width: 850px;
    margin: 12px 0 20px;
    color: var(--muted);
    line-height: 1.65;
}
.ai-builder-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.ai-builder-intro p { margin: 0 0 6px; }
.ai-step-card {
    min-width: 0;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: var(--card-soft);
}
.ai-step-card label { color: var(--muted); font-size: var(--type-sm); font-weight: var(--weight-semibold); }
.ai-step-card textarea,
.ai-step-card input,
.ai-step-card select { margin-top: 7px; }
.ai-step-heading {
    display: grid;
    grid-template-columns: 38px minmax(0, 1fr);
    gap: 11px;
    align-items: center;
    margin-bottom: 15px;
}
.ai-step-heading > span {
    width: 36px;
    height: 36px;
    display: grid;
    place-items: center;
    border-radius: 12px;
    background: var(--accent-soft);
    color: var(--accent);
    border: 1px solid rgba(var(--accent-rgb),.22);
    font-weight: var(--weight-bold);
}
.ai-step-heading strong,
.ai-step-heading small { display: block; }
.ai-step-heading strong { font-size: var(--type-md); }
.ai-step-heading small { margin-top: 3px; color: var(--muted); line-height: 1.4; }
.ai-depth-fieldset { margin: 16px 0 0; padding: 0; border: 0; }
.ai-depth-fieldset legend { margin-bottom: 8px; color: var(--text); font-size: var(--type-sm); font-weight: var(--weight-bold); }
.ai-depth-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.ai-depth-card {
    position: relative;
    display: grid !important;
    grid-template-columns: auto minmax(0, 1fr);
    column-gap: 8px !important;
    row-gap: 3px !important;
    align-items: start;
    min-height: 94px;
    margin: 0 !important;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: var(--card);
    color: var(--text) !important;
    cursor: pointer;
}
.ai-depth-card input { width: auto; margin: 2px 0 0; grid-row: 1 / span 3; }
.ai-depth-card strong,
.ai-depth-card span,
.ai-depth-card small { display: block; min-width: 0; }
.ai-depth-card strong { font-size: var(--type-sm); font-weight: var(--weight-bold); line-height: 1.35; }
.ai-depth-card span { color: var(--muted); font-size: var(--type-xs); line-height: 1.45; }
.ai-depth-card small { color: var(--accent); font-size: 11px; font-weight: var(--weight-bold); text-transform: uppercase; letter-spacing: var(--tracking-label); }
.ai-depth-card:has(input:checked) {
    border-color: rgba(var(--accent-rgb),.5);
    background: var(--accent-soft);
    box-shadow: inset 0 0 0 1px rgba(var(--accent-rgb),.08);
}
.ai-prompt-text {
    min-height: 360px;
    resize: vertical;
    font-family: var(--font-mono);
    font-size: var(--type-sm);
    font-weight: var(--weight-regular);
    line-height: 1.6;
    background: var(--card);
}
.ai-inline-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    margin-top: 12px;
}
.ai-inline-actions .field-help { margin: 0; }
.ai-result-step,
.ai-preview-step { grid-column: 1 / -1; }
.ai-result-inputs {
    display: grid;
    grid-template-columns: minmax(220px, .38fr) auto minmax(0, 1fr);
    gap: 12px;
    align-items: center;
}
.ai-result-inputs label { min-width: 0; }
.ai-result-inputs textarea { min-height: 210px; font-family: var(--font-mono); font-size: var(--type-sm); font-weight: var(--weight-regular); line-height: 1.6; }
.ai-or { color: var(--muted); font-size: var(--type-xs); font-weight: var(--weight-bold); text-transform: uppercase; }
.ai-preview-stats {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 8px;
    margin-bottom: 12px;
}
.ai-preview-stats > div {
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 13px;
    background: var(--card);
}
.ai-preview-stats strong,
.ai-preview-stats span { display: block; }
.ai-preview-stats strong { font-size: 21px; }
.ai-preview-stats span { margin-top: 2px; color: var(--muted); font-size: 12px; }
.ai-preview-warnings {
    margin-bottom: 12px;
    padding: 12px 14px;
    border: 1px solid color-mix(in srgb, var(--amber) 45%, var(--line));
    border-radius: 13px;
    background: color-mix(in srgb, var(--amber) 10%, var(--card));
}
.ai-preview-warnings strong { display: block; margin-bottom: 6px; }
.ai-preview-warnings ul { margin: 0; padding-left: 18px; color: var(--muted); font-size: 12px; }
.ai-preview-warnings li + li { margin-top: 4px; }
.ai-preview-edit-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 10px; }
.ai-preview-tree-wrap {
    margin-top: 14px;
    border: 1px solid var(--line);
    border-radius: 15px;
    overflow: hidden;
    background: var(--card);
}
.ai-preview-tree-heading {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 14px;
    border-bottom: 1px solid var(--line);
    background: var(--card-soft);
}
.ai-preview-tree-heading span { color: var(--muted); font-size: 12px; }
.ai-preview-tree { max-height: 390px; overflow: auto; padding: 7px; }
.ai-preview-node {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 10px;
    min-height: 38px;
    margin-left: min(calc(var(--ai-depth) * 24px), 210px);
    padding: 8px 10px 8px 16px;
    border-bottom: 1px solid color-mix(in srgb, var(--line) 72%, transparent);
}
.ai-preview-node:last-child { border-bottom: 0; }
.ai-preview-node strong { min-width: 0; font-size: 12px; }
.ai-preview-node small {
    padding: 4px 7px;
    border: 1px solid var(--line);
    border-radius: 999px;
    color: var(--muted);
    font-size: 11px;
    font-weight: 700;
}
.ai-preview-node small.status-todo { border-color: rgba(217,83,79,.42); }
.ai-preview-node small.status-learning { border-color: rgba(59,130,246,.48); }
.ai-preview-node small.status-learned { border-color: rgba(22,163,74,.45); }
.ai-preview-connector {
    position: absolute;
    left: 4px;
    top: 50%;
    width: 6px;
    height: 6px;
    border-radius: 999px;
    background: var(--accent);
    transform: translateY(-50%);
}
.ai-create-actions { margin-top: 14px; }

@media (max-width: 900px) {
    .ai-builder-grid { grid-template-columns: 1fr; }
    .ai-result-step,
    .ai-preview-step { grid-column: auto; }
    .ai-depth-grid { grid-template-columns: 1fr; }
    .ai-depth-card { min-height: 74px; }
    .ai-result-inputs { grid-template-columns: 1fr; }
    .ai-or { text-align: center; }
    .ai-preview-edit-grid { grid-template-columns: 1fr; }
}
@media (max-width: 620px) {
    .ai-builder-modal-card { padding: 14px; max-height: 96vh; }
    .ai-step-card { padding: 14px; }
    .ai-preview-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .ai-preview-tree-heading { flex-direction: column; }
    .ai-preview-node { margin-left: min(calc(var(--ai-depth) * 14px), 98px); }
}

@media (min-width: 901px) {
    .welcome-start-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}
@media (max-width: 900px) and (min-width: 561px) {
    .welcome-start-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 560px) {
    .welcome-start-grid { grid-template-columns: 1fr; }
}

.empty-state {
    display: grid;
    place-items: center;
    align-content: center;
    min-height: 320px;
    padding: 32px;
    border: 1px dashed var(--line-strong);
    border-radius: 18px;
    background: var(--card-soft);
    color: var(--muted);
    text-align: center;
}
.empty-state h3 {
    margin: 0 0 8px;
    color: var(--text);
}
.empty-state p {
    max-width: 520px;
    margin: 0;
}

/* v3.2.6-local Plan View arrangement, relationship, and line clarity tools */
.visual-controls .visual-relationships-toggle,
.visual-controls .visual-undo-button,
.visual-controls .visual-redo-button,
.visual-controls .visual-more-menu {
    min-width: 112px;
}
.visual-controls .visual-relationships-toggle.active {
    background: var(--accent-soft);
    border-color: rgba(var(--accent-rgb),.35);
    color: var(--accent);
    font-weight: 700;
}
.visual-controls .visual-undo-button:not(:disabled),
.visual-controls .visual-redo-button:not(:disabled) {
    border-color: rgba(var(--accent-rgb),.32);
    color: var(--accent);
}
.visual-more-menu {
    position: relative;
    display: inline-flex;
    align-items: center;
}
.visual-more-menu > summary {
    list-style: none;
    cursor: pointer;
}
.visual-more-menu > summary::-webkit-details-marker { display: none; }
.visual-more-popover {
    position: absolute;
    right: 0;
    top: calc(100% + 8px);
    z-index: 20;
}
.visual-more-popover .ghost-button {
    width: 100%;
    justify-content: flex-start;
}
.visual-relationship-manager-popover {
    width: min(380px, calc(100vw - 32px));
    max-height: min(480px, 62vh);
    overflow: auto;
}
.visual-relationship-manager-item {
    display: grid;
}
.visual-relationship-manager-branch {
    width: 100%;
    background: transparent;
    color: var(--text);
    text-align: left;
}
.visual-relationship-manager-branch strong { font-size: 13px; }
.visual-relationship-manager-branch small { color: var(--accent); font-size: 12px; }
.visual-relationship-manager-actions {
    grid-template-columns: 1fr 1fr;
}
.visual-relationship-manager-empty {
    margin: 0;
    color: var(--muted);
    font-size: 13px;
    line-height: 1.5;
}
.visual-svg-canvas path.visual-hierarchy-line.visual-line-active {
    stroke: var(--accent);
    stroke-width: 3.3;
    opacity: .98;
}
.visual-svg-canvas path.visual-line-pulse {
    stroke: color-mix(in srgb, var(--accent) 58%, #ffffff 42%);
    stroke-width: 4.6;
    stroke-linecap: round;
    fill: none;
    stroke-dasharray: 2 28;
    pointer-events: none;
    vector-effect: non-scaling-stroke;
}
/* Only the lines leading to the selected branch pulse, so hidden pulse paths
   never run an animation (STYLE-03). */
.visual-svg-canvas path.visual-line-pulse.active { animation: visualLineFlow 1.6s linear infinite; }
.visual-svg-canvas path.visual-relationship-line {
    stroke: color-mix(in srgb, var(--blue) 72%, var(--accent) 28%);
    stroke-width: 2;
    stroke-dasharray: 9 8;
    stroke-linecap: round;
    fill: none;
    opacity: .42;
    vector-effect: non-scaling-stroke;
    pointer-events: none;
}
.visual-svg-canvas path.visual-relationship-line.active {
    opacity: .9;
    stroke-width: 2.5;
}
.visual-node-svg.direct-child-node rect {
    stroke: color-mix(in srgb, var(--accent) 78%, var(--line-strong));
    filter: drop-shadow(0 10px 22px rgba(var(--accent-rgb),.14));
}
.visual-shell.relate-mode .visual-node-svg:not(.multi-selected) { cursor: alias; }
.visual-shell.relationships-on .visual-relationships-toggle {
    background: var(--accent-soft);
    color: var(--accent);
}
@keyframes visualLineFlow {
    from { stroke-dashoffset: 0; }
    to { stroke-dashoffset: -30; }
}
html.reduce-motion *,
html.reduce-motion *::before,
html.reduce-motion *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
}
html.reduce-motion .visual-svg-canvas path.visual-line-pulse {
    animation: none !important;
    opacity: 0 !important;
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: .001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .001ms !important;
        scroll-behavior: auto !important;
    }
    .visual-svg-canvas path.visual-line-pulse { animation: none !important; opacity: 0 !important; }
}
html[data-theme="dark"] .visual-more-popover {
    background: var(--card);
    border-color: var(--line-strong);
}
html[data-theme="dark"] .visual-svg-canvas path.visual-line-pulse { stroke: var(--accent); }
html[data-theme="dark"] .visual-svg-canvas path.visual-line-pulse.active { opacity: .5; }
html[data-theme="dark"] .visual-svg-canvas path.visual-relationship-line {
    stroke: #8dc3ff;
    opacity: .52;
}

@media (max-width: 720px) {
    .visual-controls .visual-relationships-toggle,
    .visual-controls .visual-undo-button,
    .visual-controls .visual-redo-button,
    .visual-controls .visual-more-menu {
        min-width: 0;
    }
    .visual-more-menu > summary {
        width: 100%;
        justify-content: center;
    }
    .visual-more-popover {
        right: auto;
        left: 0;
    }
}
.visual-svg-canvas path.visual-line-pulse { opacity: 0; }
.visual-svg-canvas path.visual-line-pulse.active { opacity: .62; }

.branch-proof-list {
    display: grid;
    gap: 10px;
    margin-top: 12px;
}
.branch-proof-list.empty {
    padding: 12px;
    border: 1px dashed var(--line);
    color: var(--muted);
}
.branch-proof-card {
    display: grid;
    gap: 8px;
    padding: 12px;
    border: 1px solid #f0bd78;
    border-left: 4px solid #d97706;
    border-radius: 8px;
    background: var(--card);
}
.branch-proof-heading,
.branch-proof-actions,
.proof-field-grid {
    display: flex;
    align-items: center;
    gap: 8px;
}
.branch-proof-heading { justify-content: space-between; }
.branch-proof-heading time { color: var(--muted); font-size: .78rem; }
.branch-proof-card p { margin: 0; overflow-wrap: anywhere; color: var(--text-soft); }
.branch-proof-card p a { color: var(--accent); }
.branch-proof-actions { justify-content: flex-end; flex-wrap: wrap; }
.branch-proof-actions .ghost-button { min-height: 34px; padding: 6px 10px; }
.add-proof-form { display: grid; gap: 10px; margin-top: 12px; }
.proof-more-fields summary { cursor: pointer; color: var(--accent); font-weight: 700; }
.proof-more-fields[open] summary { margin-bottom: 10px; }
.proof-field-grid > label { flex: 1 1 0; }
@media (max-width: 560px) {
    .proof-field-grid,
    .branch-proof-heading { align-items: stretch; flex-direction: column; }
}