/*
  graph-viewer.css — Wrapper styles for the graph-viewer Vue component.
  Pivotick vendor CSS loaded separately (pivotick.css).
  All colors via CSS theme vars — no hardcoded values.
*/

/*---ROOT---*/

.gv-root {
    display: flex;
    flex-direction: column;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    resize: vertical;           /* user can drag the bottom edge to resize */
    min-height: 300px;
    background: var(--bg-surface);
    box-shadow: var(--shadow-sm);
}

/*---DEV HEADER (filter chips + search)---*/

.gv-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 7px 12px;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
    flex-shrink: 0;
    min-height: 42px;
    gap: 8px;
}

.gv-filters {
    display: flex;
    align-items: center;
    gap: 5px;
    flex-wrap: wrap;
    flex: 1;
    min-width: 0;
}

.gv-filters-label {
    font-size: .65rem;
    color: var(--text-muted);
    flex-shrink: 0;
}

/* Node type filter chip */
.gv-type-chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px 2px 6px;
    border: 1px solid var(--border);
    border-radius: 99px;
    background: var(--bg-surface);
    color: var(--text-secondary);
    font-size: .68rem;
    font-family: var(--font-sans);
    font-weight: 500;
    cursor: pointer;
    white-space: nowrap;
    flex-shrink: 0;
    transition: background var(--transition), opacity var(--transition), border-color var(--transition);
}

.gv-type-chip:hover {
    background: var(--bg-body);
    color: var(--text-main);
    border-color: var(--text-muted);
}

.gv-type-chip.is-hidden {
    opacity: .4;
    text-decoration: line-through;
}

.gv-chip-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--chip-color, var(--brand));
    flex-shrink: 0;
}

.gv-type-chip.is-hidden .gv-chip-dot { opacity: .25; }

.gv-chip-count {
    font-size: .6rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

/* Right side: search + stats */
.gv-header-right {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.gv-search-wrap {
    display: flex;
    align-items: center;
    gap: 5px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-surface);
    padding: 3px 8px;
    min-width: 140px;
    transition: border-color var(--transition);
}

.gv-search-wrap:focus-within { border-color: var(--brand); }

.gv-search-wrap > i { font-size: .6rem; color: var(--text-muted); flex-shrink: 0; }

.gv-search-input {
    border: none;
    outline: none;
    background: transparent;
    color: var(--text-main);
    font-size: .73rem;
    font-family: var(--font-sans);
    flex: 1;
    min-width: 60px;
}

.gv-search-input::placeholder { color: var(--text-muted); }

.gv-search-clear {
    border: none;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0;
    font-size: .6rem;
    display: flex;
    align-items: center;
    transition: color var(--transition);
}
.gv-search-clear:hover { color: var(--text-main); }

.gv-stat {
    font-size: .65rem;
    font-family: var(--font-mono);
    color: var(--text-muted);
    white-space: nowrap;
}
.gv-stat-f { font-style: italic; }

/*---CANVAS (fills remaining space)---*/

.gv-canvas {
    flex: 1;
    min-height: 0;
    position: relative;
    overflow: hidden;
    background: var(--bg-surface);
}

/* Pivotick's dedicated mount point — never removed by Vue */
.gv-pvt-inner {
    position: absolute;
    inset: 0;
}

/* Pivotick's inner container fills its mount point */
.gv-pvt-inner .pivotick {
    width: 100% !important;
    height: 100% !important;
}

/* Override Pivotick's min-height so it respects our layout */
.gv-pvt-inner .pvt-canvas {
    min-height: unset !important;
}

/*---OVERLAYS (loading / error)---*/

.gv-overlay {
    position: absolute;
    inset: 0;
    z-index: 20;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: var(--bg-surface);
    color: var(--text-muted);
    font-size: .82rem;
    font-family: var(--font-sans);
}

.gv-overlay > i { font-size: 1.3rem; }

.gv-overlay--error { color: var(--danger, #dc2626); }

/*---EDIT BUTTON (visible in header when editable=true)---*/

.gv-edit-open-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    padding: 4px 9px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-surface);
    color: var(--text-muted);
    font-size: .68rem;
    font-family: var(--font-sans);
    cursor: pointer;
    transition: background var(--transition), color var(--transition), border-color var(--transition);
    flex-shrink: 0;
}
.gv-edit-open-btn:hover {
    background: var(--bg-body);
    color: var(--brand);
    border-color: var(--brand-glow);
}
.gv-edit-open-btn--label { gap: 6px; padding: 4px 12px; }
.gv-header-spacer { flex: 1; }

/*---MODAL (Teleported to body)---*/

.gv-modal-backdrop {
    position: fixed;
    inset: 0;
    z-index: 1050;
    background: rgba(0, 0, 0, .48);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    backdrop-filter: blur(2px);
}

.gv-modal {
    display: flex;
    flex-direction: column;
    width: 680px;
    max-width: 100%;
    max-height: 80vh;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: 0 16px 48px rgba(0,0,0,.28), 0 2px 8px rgba(0,0,0,.12);
    overflow: hidden;
}

.gv-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 18px;
    border-bottom: 1px solid var(--border);
    background: var(--bg-elevated);
    flex-shrink: 0;
}

.gv-modal-title {
    display: flex;
    align-items: center;
    gap: 9px;
    font-family: var(--font-display);
    font-size: .9rem;
    font-weight: 700;
    color: var(--text-main);
}

.gv-modal-title i {
    color: var(--brand);
    font-size: .85rem;
}

.gv-modal-close {
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-size: .85rem;
    cursor: pointer;
    padding: 4px 6px;
    border-radius: var(--radius-sm);
    transition: background var(--transition), color var(--transition);
    display: flex;
    align-items: center;
}
.gv-modal-close:hover { background: var(--bg-body); color: var(--text-main); }

.gv-modal-tabs {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 8px 14px;
    border-bottom: 1px solid var(--border);
    background: var(--bg-elevated);
    flex-shrink: 0;
}

.gv-modal-tab {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-surface);
    color: var(--text-muted);
    font-size: .72rem;
    font-family: var(--font-sans);
    font-weight: 500;
    cursor: pointer;
    transition: background var(--transition), color var(--transition), border-color var(--transition);
}
.gv-modal-tab:hover { background: var(--bg-body); color: var(--text-main); }
.gv-modal-tab.is-active {
    background: var(--brand-dim);
    color: var(--brand);
    border-color: var(--brand-glow);
    font-weight: 600;
}
.gv-modal-tab i { font-size: .62rem; }

.gv-modal-tab-hint {
    margin-left: auto;
    font-size: .65rem;
    font-family: var(--font-mono);
    color: var(--text-muted);
}

.gv-modal-body {
    flex: 1;
    min-height: 0;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.gv-modal-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    border-top: 1px solid var(--border);
    background: var(--bg-elevated);
    flex-shrink: 0;
    gap: 10px;
    flex-wrap: wrap;
}

.gv-modal-actions {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-left: auto;
}

/*---EDIT BUTTONS---*/

.gv-edit-error {
    font-size: .68rem;
    color: var(--danger, #dc2626);
    font-family: var(--font-mono);
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.gv-edit-error i { margin-right: 3px; }

.gv-edit-btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: .72rem;
    font-family: var(--font-sans);
    font-weight: 500;
    cursor: pointer;
    transition: background var(--transition), color var(--transition), border-color var(--transition);
}
.gv-edit-btn i { font-size: .6rem; }

.gv-edit-btn--reset {
    background: var(--bg-surface);
    color: var(--text-muted);
}
.gv-edit-btn--reset:hover { background: var(--bg-body); color: var(--text-main); }

.gv-edit-btn--apply {
    background: var(--brand-dim);
    color: var(--brand);
    border-color: var(--brand-glow);
    font-weight: 600;
}
.gv-edit-btn--apply:hover { background: var(--brand); color: #fff; border-color: var(--brand); }

/*---JSON TEXTAREA (inside modal body)---*/

.gv-edit-ta {
    flex: 1;
    display: block;
    width: 100%;
    min-height: 300px;
    resize: none;
    border: none;
    outline: none;
    background: var(--bg-surface);
    color: var(--text-main);
    font-family: var(--font-mono);
    font-size: .75rem;
    line-height: 1.65;
    padding: 12px 16px;
    box-sizing: border-box;
    caret-color: var(--brand);
    overflow: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--border) transparent;
}
.gv-edit-ta::-webkit-scrollbar { width: 5px; }
.gv-edit-ta::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

/*---RESPONSIVE---*/

@media (max-width: 600px) {
    .gv-header { padding: 5px 8px; }
    .gv-search-wrap { min-width: 100px; }
    .gv-edit-bar { flex-wrap: wrap; gap: 6px; }
}