/* =========================================================================
   /demo/whiteboard — playable whiteboard
   The toolbar, canvas, items, inspector, minimap and view pill are ports of
   the app's own styles (LogMyBusiness.Client/Pages/BoardPage.razor), class
   names included, so the demo is the product rather than a lookalike.
   Only page chrome uses a demo- prefix.
   ========================================================================= */

:root {
    /* Tokens the app's board CSS leans on that the marketing site doesn't define. */
    --radius-sm: 6px;
    --shadow-card: 0 1px 3px rgba(16,24,40,.1), 0 1px 2px rgba(16,24,40,.06);
    --transition-fast: all .15s ease;
    --status-progress-bg: rgba(60,108,195,.12);
}

/* ------------------------------------------------------------------- page */
.demo-wb-section { padding-block: var(--space-8) var(--space-12); }
.demo-switch { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2); margin-bottom: var(--space-4); }
.demo-switch__label { font-size: .85rem; color: var(--text-muted); font-weight: 600; margin-right: var(--space-2); }

/* =========================================================================
   Board root (ported)
   ========================================================================= */
.brainboard-root {
    display: flex; flex-direction: column; height: min(76vh, 760px); min-height: 520px;
    border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden;
    box-shadow: var(--shadow-card); background: var(--surface);
    font-family: var(--font-sans);
}

.brainboard-toolbar {
    display: flex; align-items: center; gap: var(--space-2); padding: var(--space-2) var(--space-3);
    background: var(--surface); border-bottom: 1px solid var(--border); flex: 0 0 auto; flex-wrap: wrap;
}
.brainboard-sep { width: 1px; height: 22px; background: var(--border); margin: 0 4px; }
.brainboard-boardname {
    width: 160px; height: 28px; border: 1px solid var(--border); border-radius: var(--radius-sm);
    padding: 0 8px; background: var(--surface); color: var(--text); font-weight: 600; font-family: var(--font-sans);
}

/* One button grammar: every toolbar button is quiet (surface + border). Blue is
   reserved for STATE — the active tool or an open menu. */
.brainboard-btn {
    font-family: var(--font-sans); font-size: 13px; font-weight: 600; color: var(--text); background: var(--surface);
    border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 6px 11px; cursor: pointer;
    transition: var(--transition-fast); display: inline-flex; align-items: center; gap: 5px; white-space: nowrap;
}
.brainboard-btn:hover { background: var(--bg); }
.brainboard-btn.is-active { background: var(--primary); color: var(--primary-fg); border-color: var(--primary); }
.brainboard-btn.is-active:hover { background: var(--primary-hover); }
.brainboard-btn:disabled { opacity: .45; cursor: default; }
.brainboard-btn svg { width: 14px; height: 14px; fill: currentColor; flex: none; }
.brainboard-tmenu button.is-menu-danger { color: var(--status-blocked); font-weight: 600; }
.brainboard-tmenu button.is-menu-danger:hover { background: var(--status-blocked); color: #fff; }

.brainboard-zoom { display: flex; align-items: center; gap: 2px; }
.brainboard-zoom button { border: none; background: transparent; color: var(--text); width: 28px; height: 28px; cursor: pointer; font-size: 16px; line-height: 1; border-radius: var(--radius-sm); }
.brainboard-zoom button:hover { background: var(--bg); }
.brainboard-zoom span { min-width: 44px; text-align: center; font-size: 12px; color: var(--text-muted); }
.brainboard-save { font-size: 12px; color: var(--text-muted); }
.brainboard-flexspacer { flex: 1 1 auto; }
.brainboard-searchbox {
    width: 130px; height: 28px; border: 1px solid var(--border); border-radius: var(--radius-sm);
    padding: 0 8px; background: var(--surface); color: var(--text); font-family: var(--font-sans); font-size: 12px;
}
.brainboard-searchcount { font-size: 11px; color: var(--text-muted); min-width: 30px; }
.brainboard-item.is-search-hit, .brainboard-section.is-search-hit { outline: 2px dashed #D97706; outline-offset: 4px; }

.brainboard-viewpill {
    position: absolute; left: 10px; bottom: 10px; z-index: 9998; display: flex; align-items: center; gap: 2px;
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); box-shadow: var(--shadow-md); padding: 2px 4px;
}
.brainboard-viewpill .brainboard-btn { border: none; padding: 4px 8px; font-size: 12px; }

.brainboard-root:fullscreen { height: 100vh; border-radius: 0; border: none; }

.brainboard-mobile-note {
    display: none; align-items: center; gap: var(--space-2); padding: var(--space-2) var(--space-3);
    background: var(--status-progress-bg); color: var(--text); border-bottom: 1px solid var(--border);
    font-family: var(--font-sans); font-size: 12px; flex: 0 0 auto;
}
.brainboard-mobile-note button { margin-left: auto; border: none; background: transparent; color: var(--text-muted); cursor: pointer; font-size: 16px; line-height: 1; padding: 2px 6px; }

.brainboard-body { flex: 1 1 auto; display: flex; min-height: 0; }

.brainboard-viewport { flex: 1 1 auto; position: relative; overflow: hidden; background: var(--bg); touch-action: none; user-select: none; cursor: grab; }
.brainboard-viewport.is-panning { cursor: grabbing; }
.brainboard-viewport.is-linking { cursor: crosshair; }
.brainboard-viewport.is-pen { cursor: crosshair; }
.brainboard-viewport:focus, .brainboard-viewport:focus-visible { outline: none; }

.brainboard-world { position: absolute; top: 0; left: 0; transform-origin: 0 0; will-change: transform; }
.brainboard-grid {
    position: absolute; left: -5000px; top: -5000px; width: 10000px; height: 10000px;
    background-image: radial-gradient(circle, rgba(120,130,150,.28) 1px, transparent 1.4px);
    background-size: 28px 28px; pointer-events: none; z-index: 0;
}

.brainboard-connectors { position: absolute; left: 0; top: 0; width: 1px; height: 1px; overflow: visible; z-index: 0; }
.brainboard-conn { fill: none; stroke-width: 2.5; pointer-events: none; }
.brainboard-conn-halo { fill: none; stroke: rgba(var(--primary-rgb), .35); stroke-width: 9; stroke-linecap: round; pointer-events: none; }
.brainboard-conn-hit { fill: none; stroke: transparent; stroke-width: 16; pointer-events: stroke; cursor: pointer; }
.brainboard-link-preview { stroke: #3C6CC3; stroke-width: 2.5; stroke-dasharray: 7 5; fill: none; pointer-events: none; }

/* ------------------------------------------------------------------ items */
.brainboard-item { position: absolute; box-sizing: border-box; display: flex; overflow: visible; cursor: grab; font-family: var(--font-sans); }
.brainboard-item.is-selected { box-shadow: 0 0 0 2px #fff, 0 0 0 4px var(--primary), 0 0 0 7px rgba(var(--primary-rgb), .35), var(--shadow-md); }
.brainboard-item.type-note { border-radius: 8px; box-shadow: var(--shadow-md); }
.brainboard-item.type-rectangle { border-radius: 4px; box-shadow: var(--shadow-sm); }
.brainboard-item.type-ellipse { border-radius: 50%; box-shadow: var(--shadow-sm); }
.brainboard-item.type-roundedrectangle { border-radius: 18px; box-shadow: var(--shadow-sm); }
.brainboard-item.type-line, .brainboard-item.type-image, .brainboard-item.type-freehand,
.brainboard-item.type-triangle, .brainboard-item.type-diamond { box-shadow: none; }
.brainboard-item__img { width: 100%; height: 100%; object-fit: fill; pointer-events: none; user-select: none; display: block; }
.brainboard-item__svg { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; overflow: visible; }

.brainboard-item__label { position: relative; z-index: 1; display: flex; width: 100%; height: 100%; box-sizing: border-box; padding: 8px; overflow: hidden; pointer-events: none; }
.brainboard-item__label > span { width: 100%; white-space: pre-wrap; word-break: break-word; line-height: 1.3; color: #1f2433; }
.brainboard-item__edit {
    position: relative; z-index: 1; width: 100%; height: 100%; box-sizing: border-box; padding: 8px;
    border: none; background: transparent; resize: none; outline: none; font-family: var(--font-sans);
    color: #1f2433; line-height: 1.3; user-select: text; white-space: pre-wrap; word-break: break-word;
}
.brainboard-item__edit::placeholder { color: rgba(0,0,0,.35); }

/* Resize = SQUARE handles at the corners, distinct from the round connect dots. */
.brainboard-item__rh { position: absolute; width: 11px; height: 11px; background: #fff; border: 1.5px solid var(--primary); border-radius: 2px; display: none; z-index: 6; box-shadow: 0 0 2px rgba(0,0,0,.35); }
.brainboard-item.is-selected .brainboard-item__rh { display: block; }
.rh-a { left: -6px; top: -6px; cursor: nwse-resize; }
.rh-b { right: -6px; top: -6px; cursor: nesw-resize; }
.rh-c { left: -6px; bottom: -6px; cursor: nesw-resize; }
.rh-d { right: -6px; bottom: -6px; cursor: nwse-resize; }

/* Connect = ROUND "+" dots floating OUTSIDE the item edges. */
.brainboard-anchor {
    position: absolute; width: 16px; height: 16px; border-radius: 50%; background: var(--surface); border: 1.5px solid var(--primary);
    transform: translate(-50%, -50%); cursor: crosshair; display: none; z-index: 6;
    color: var(--primary); align-items: center; justify-content: center;
}
.brainboard-anchor::before { content: "+"; font: 700 13px/1 var(--font-sans); display: block; margin-top: -1px; }
.brainboard-anchor::after { content: ""; position: absolute; inset: -9px; }
.brainboard-anchor:hover { background: var(--primary); color: var(--primary-fg); }
.brainboard-item:hover .brainboard-anchor, .brainboard-item.is-selected .brainboard-anchor { display: flex; }
.anchor-t { left: 50%; top: -13px; }
.anchor-r { left: calc(100% + 13px); top: 50%; }
.anchor-b { left: 50%; top: calc(100% + 13px); }
.anchor-l { left: -13px; top: 50%; }

.brainboard-marquee { position: absolute; border: 1px solid rgba(var(--primary-rgb), .9); background: rgba(var(--primary-rgb), .12); pointer-events: none; z-index: 9999; }
.brainboard-lock { position: absolute; top: 3px; left: 4px; font-size: 12px; line-height: 1; pointer-events: none; opacity: .85; z-index: 7; }
.brainboard-votes {
    position: absolute; right: 4px; bottom: 4px; background: var(--surface); border: 1px solid var(--border);
    border-radius: 10px; font-size: 11px; font-weight: 700; color: var(--text); padding: 1px 7px; z-index: 6; pointer-events: none; box-shadow: var(--shadow-sm);
}
.brainboard-votes.is-mine { border-color: var(--primary); color: var(--primary); }
.brainboard-viewport.is-vote .brainboard-item { cursor: pointer; }

/* Sections (titled zones, behind items) */
.brainboard-section { position: absolute; box-sizing: border-box; border-radius: 6px; pointer-events: auto; cursor: move; }
.brainboard-section.is-selected { box-shadow: 0 0 0 2px #fff, 0 0 0 4px var(--primary), 0 0 0 7px rgba(var(--primary-rgb), .35); }
.brainboard-section__title {
    position: absolute; left: 0; top: 0; transform: translateY(-100%); max-width: 100%;
    padding: 3px 10px; border-radius: 6px 6px 0 0; font-weight: 600; line-height: 1.3;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis; cursor: grab; pointer-events: auto;
}
.brainboard-section__title input { border: none; background: rgba(255,255,255,.55); color: inherit; font: inherit; outline: none; width: 150px; border-radius: 3px; padding: 0 4px; }
.brainboard-section__resize {
    position: absolute; right: 0; bottom: 0; width: 16px; height: 16px; cursor: nwse-resize; pointer-events: auto; display: none; z-index: 3;
    background: linear-gradient(135deg, transparent 0 46%, rgba(0,0,0,.35) 46% 54%, transparent 54% 100%),
                linear-gradient(135deg, transparent 0 66%, rgba(0,0,0,.35) 66% 74%, transparent 74% 100%);
}
.brainboard-section.is-selected .brainboard-section__resize { display: block; }

/* menus */
.brainboard-menu { position: relative; display: inline-block; }
.brainboard-tmenu {
    position: absolute; top: 100%; left: 0; margin-top: 4px; z-index: 10002; background: var(--surface);
    border: 1px solid var(--border); border-radius: var(--radius-sm); box-shadow: var(--shadow-lg);
    display: flex; flex-direction: column; padding: 4px; min-width: 130px;
}
.brainboard-tmenu button { display: block; width: 100%; text-align: left; border: none; background: transparent; color: var(--text); padding: 6px 10px; border-radius: 6px; cursor: pointer; font-size: 13px; font-family: inherit; }
.brainboard-tmenu button:hover { background: var(--bg); }
.brainboard-tmenu--scroll { max-height: min(60vh, 420px); overflow-y: auto; min-width: 210px; }
.brainboard-tmenu__head { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; color: var(--text-muted); padding: 8px 10px 3px; }

/* context menu */
.brainboard-ctx {
    position: fixed; z-index: 10001; min-width: 172px; background: var(--surface); border: 1px solid var(--border);
    border-radius: var(--radius-sm); box-shadow: var(--shadow-lg); padding: 4px; display: flex; flex-direction: column; font-family: var(--font-sans);
}
.brainboard-ctx button { display: block; width: 100%; text-align: left; border: none; background: transparent; color: var(--text); padding: 6px 10px; border-radius: 6px; cursor: pointer; font-size: 13px; font-family: inherit; }
.brainboard-ctx button:hover { background: var(--bg); }
.brainboard-ctx button.ctx-danger { color: var(--status-blocked); }
.ctx-sep { height: 1px; background: var(--border); margin: 4px 0; }

/* minimap */
.brainboard-minimap {
    position: absolute; right: 10px; bottom: 10px; width: 180px; height: 130px; background: rgba(255,255,255,.85);
    border: 1px solid var(--border); border-radius: 6px; overflow: hidden; z-index: 9998; box-shadow: var(--shadow-md); cursor: pointer;
}
.brainboard-minimap__item { position: absolute; border-radius: 1px; pointer-events: none; opacity: .85; }
.brainboard-minimap__view { position: absolute; border: 1.5px solid var(--primary); background: rgba(var(--primary-rgb), .12); pointer-events: none; }

/* ------------------------------------------------------------- inspector */
.brainboard-inspector {
    flex: 0 0 228px; border-left: 1px solid var(--border); background: var(--surface); padding: var(--space-3);
    overflow-y: auto; display: flex; flex-direction: column; gap: var(--space-3); font-family: var(--font-sans);
}
.insp-empty { color: var(--text-muted); font-size: 12px; line-height: 1.5; }
.insp-title { font-weight: 600; color: var(--text); font-size: 13px; }
.insp-row { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
.insp-row > label { flex: 1 0 100%; font-size: 12px; font-weight: 600; color: var(--text-muted); }
.insp-row input[type=color] { width: 36px; height: 26px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--surface); padding: 0; cursor: pointer; }
.insp-num { width: 54px; height: 26px; border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 0 6px; background: var(--surface); color: var(--text); font-family: inherit; }
.insp-unit { font-size: 12px; color: var(--text-muted); }
.insp-swatches { display: flex; gap: 5px; flex-wrap: wrap; }
.insp-swatches button { width: 18px; height: 18px; border-radius: 50%; border: 1px solid rgba(0,0,0,.25); cursor: pointer; padding: 0; }
.insp-group { display: flex; gap: 4px; flex: 1; }
.insp-group button { flex: 1; min-width: 34px; height: 32px; border: 1px solid var(--border); background: var(--surface); color: var(--text); border-radius: var(--radius-sm); cursor: pointer; font-size: 14px; line-height: 1; font-family: inherit; }
.insp-group button:hover { background: var(--bg); }
.insp-group button.is-active { background: var(--primary); color: var(--primary-fg); border-color: var(--primary); }
.insp-divider { height: 1px; background: var(--border); }
.insp-ratios { display: flex; flex-wrap: wrap; gap: 4px; flex: 1; }
.insp-ratios button { height: 30px; min-width: 44px; padding: 0 9px; border: 1px solid var(--border); background: var(--surface); color: var(--text); border-radius: var(--radius-sm); cursor: pointer; font-size: 12px; font-family: inherit; }
.insp-ratios button:hover { background: var(--bg); }
.insp-ratios button.is-active { background: var(--primary); color: var(--primary-fg); border-color: var(--primary); }
.insp-arrange { display: flex; gap: 4px; flex: 1; }
.insp-arrange button { flex: 1; min-width: 30px; height: 32px; padding: 0 4px; border: 1px solid var(--border); background: var(--surface); color: var(--text); border-radius: var(--radius-sm); cursor: pointer; font-size: 16px; line-height: 1; font-family: inherit; }
.insp-arrange button:hover { background: var(--bg); }

/* help modal (same shape as the app's in-canvas ? modal) */
.brainboard-help-overlay { position: fixed; inset: 0; z-index: 11000; background: rgba(17,24,39,.45); display: flex; align-items: center; justify-content: center; padding: 24px; }
.brainboard-help-modal { width: min(820px, 100%); max-height: 88vh; display: flex; flex-direction: column; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow-lg); overflow: hidden; }
.brainboard-help-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 18px; border-bottom: 1px solid var(--border); }
.brainboard-help-title { font-size: 17px; font-weight: 700; color: var(--text); }
.brainboard-help-close { border: none; background: transparent; color: var(--text-muted); font-size: 18px; line-height: 1; cursor: pointer; padding: 4px 8px; border-radius: 6px; }
.brainboard-help-close:hover { background: var(--bg); color: var(--text); }
.brainboard-help-body { padding: 18px 22px; overflow-y: auto; font-size: 14px; line-height: 1.6; }
.brainboard-help-body h4 { margin: var(--space-4) 0 var(--space-2); font-size: 14px; }
.brainboard-help-body ul { margin: 0 0 var(--space-4); padding-left: 1.2em; }
.brainboard-help-body kbd { background: var(--surface-2); border: 1px solid var(--border); border-bottom-width: 2px; border-radius: 5px; padding: 1px 5px; font-family: ui-monospace, Menlo, Consolas, monospace; font-size: .85em; }

/* ---------------------------------------------------------- responsive */
@media (max-width: 959.98px) {
    .brainboard-mobile-note { display: flex; }
    .brainboard-root { height: calc(100dvh - 150px); min-height: 340px; }
    .brainboard-toolbar { max-height: 96px; overflow-y: auto; }
    .brainboard-body { flex-direction: column; }
    .brainboard-inspector { flex: 0 0 auto; max-height: 40%; border-left: none; border-top: 1px solid var(--border); }
    .brainboard-boardname { width: 110px; }
    .brainboard-searchbox { width: 96px; }
    .brainboard-minimap { display: none; }
}