/* ===========================================================================
   SynEPD Knowledge Graph styles (kg.css)
   Loaded after style.css; uses the same CSS custom properties so it inherits
   the light/dark theme automatically.
   =========================================================================== */

/* ---- Left-panel tab content ---- */
#tab-kg .kg-controls {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    margin-bottom: 0.75rem;
}
#tab-kg .kg-row {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}
#tab-kg .kg-row label {
    font-size: 0.78rem;
    color: var(--text-secondary);
    white-space: nowrap;
}
#tab-kg select,
#tab-kg .kg-search-input {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    color: var(--text-primary);
    border-radius: 6px;
    padding: 0.35rem 0.5rem;
    font-size: 0.82rem;
    font-family: inherit;
    outline: none;
}
#tab-kg .kg-search-input { flex: 1; }

.kg-toggle {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.78rem;
    color: var(--text-secondary);
    cursor: pointer;
    user-select: none;
}
.kg-toggle input { accent-color: var(--accent-cyan); cursor: pointer; }

.kg-hint {
    color: var(--text-secondary);
    font-size: 0.8rem;
    text-align: center;
    padding: 0.5rem 0;
}

/* ---- Seed result cards ---- */
#kg-seed-results {
    max-height: calc(100vh - 320px);
    overflow-y: auto;
    padding-right: 2px;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}
.kg-seed-card {
    display: grid;
    grid-template-columns: auto 1fr;
    grid-template-rows: auto auto;
    column-gap: 0.5rem;
    padding: 0.5rem 0.65rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--bg-secondary);
    cursor: pointer;
    transition: border-color 0.15s, transform 0.1s;
}
.kg-seed-card:hover { border-color: var(--accent-cyan); transform: translateX(2px); }
.kg-seed-card:focus-visible { outline: 2px solid var(--accent-cyan); }
.kg-seed-type {
    grid-row: 1 / span 2;
    align-self: center;
    font-size: 0.6rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 0.15rem 0.4rem;
    border-radius: 999px;
    font-weight: 600;
}
.kg-seed-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.kg-seed-sub { font-size: 0.68rem; color: var(--text-secondary); }

.kg-type-molecule { background: color-mix(in srgb, var(--accent-cyan) 22%, transparent); color: var(--accent-cyan); }
.kg-type-reaction { background: color-mix(in srgb, var(--accent-purple) 22%, transparent); color: var(--accent-purple); }
.kg-type-template { background: color-mix(in srgb, var(--accent-orange) 22%, transparent); color: var(--accent-orange); }
.kg-type-taxon    { background: color-mix(in srgb, var(--accent-green) 22%, transparent); color: var(--accent-green); }

/* ---- Center viewport ---- */
.kg-viewport {
    position: relative;
    flex: 1;
    flex-direction: column;
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
}
#kg-canvas {
    position: relative;
    flex: 1;
    width: 100%;
    height: 100%;
    min-height: 300px;
}
.kg-toolbar {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0.9rem;
    border-bottom: 1px solid var(--border);
    background: var(--bg-secondary);
    flex-wrap: wrap;
}
#kg-status { font-size: 0.75rem; color: var(--text-secondary); margin-left: auto; }

.kg-legend {
    position: absolute;
    bottom: 12px;
    left: 12px;
    background: color-mix(in srgb, var(--bg-secondary) 92%, transparent);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.5rem 0.7rem;
    font-size: 0.72rem;
    color: var(--text-secondary);
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    pointer-events: none;
}
.kg-legend-row { display: flex; align-items: center; gap: 0.4rem; }
.kg-legend-dot { width: 12px; height: 12px; border-radius: 50%; display: inline-block; }
.kg-legend-line { width: 16px; height: 0; border-top: 2px solid; display: inline-block; }

.kg-mini-btn {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    color: var(--text-primary);
    border-radius: 6px;
    padding: 0.3rem 0.6rem;
    font-size: 0.75rem;
    cursor: pointer;
    transition: background 0.15s;
}
.kg-mini-btn:hover { background: var(--bg-primary); }
.kg-mini-primary { background: var(--accent-cyan); color: #08131a; border-color: var(--accent-cyan); font-weight: 600; }

/* ---- Right-panel selection card (re-uses right panel when KG active) ---- */
#kg-selection { display: flex; flex-direction: column; gap: 0.35rem; }
.kg-sel-type {
    align-self: flex-start;
    font-size: 0.62rem;
    text-transform: uppercase;
    padding: 0.15rem 0.45rem;
    border-radius: 999px;
    font-weight: 600;
}
.kg-sel-label { font-size: 1rem; font-weight: 600; color: var(--text-primary); }
.kg-sel-smiles {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.78rem;
    color: var(--text-secondary);
    word-break: break-all;
}
.kg-sel-sub { font-size: 0.78rem; color: var(--text-secondary); }
.kg-sel-actions { display: flex; gap: 0.4rem; margin-top: 0.4rem; flex-wrap: wrap; }

/* ---- Floating tooltip ---- */
.kg-tooltip {
    position: absolute;
    z-index: 9999;
    display: none;
    pointer-events: none;
    max-width: 260px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.5rem 0.7rem;
    font-size: 0.76rem;
    color: var(--text-primary);
    box-shadow: 0 8px 24px rgba(0,0,0,0.35);
}
.kg-tt-struct {
    background: #fff;
    border-radius: 6px;
    margin: 0.4rem -0.1rem 0.4rem;
    padding: 0.2rem;
    display: flex;
    justify-content: center;
    min-height: 60px;
}
.kg-tt-struct img { max-width: 100%; max-height: 120px; display: block; }
.kg-tooltip code { font-size: 0.72rem; color: var(--accent-cyan); word-break: break-all; }
.kg-tooltip .kg-tt-type { color: var(--text-secondary); text-transform: uppercase; font-size: 0.62rem; }
.kg-tooltip em { color: var(--text-secondary); font-style: italic; }

/* ===========================================================================
   Click-to-inspect info card (centre overlay) + CRN additions
   =========================================================================== */
#kg-info {
    position: absolute;
    top: 0;
    right: 0;
    width: 320px;
    max-width: 80%;
    height: 100%;
    background: var(--bg-secondary);
    border-left: 1px solid var(--border);
    box-shadow: -8px 0 24px rgba(0,0,0,0.25);
    transform: translateX(105%);
    transition: transform 0.22s ease;
    display: flex;
    flex-direction: column;
    z-index: 20;
}
#kg-info.open { transform: translateX(0); }
.kg-info-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.6rem 0.9rem;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}
#kg-info-title { font-size: 0.95rem; font-weight: 600; color: var(--text-primary); }
.kg-info-close {
    background: none; border: none; color: var(--text-secondary);
    font-size: 1.3rem; line-height: 1; cursor: pointer; padding: 0 0.2rem;
}
.kg-info-close:hover { color: var(--text-primary); }
#kg-info-body { padding: 0.9rem; overflow-y: auto; flex: 1; }

.kg-info-struct {
    background: #fff;
    border-radius: 8px;
    padding: 0.4rem;
    display: flex;
    justify-content: center;
    margin-bottom: 0.6rem;
}
.kg-info-struct img { max-width: 100%; height: auto; display: block; }
.kg-info-rxn-name { font-size: 1rem; font-weight: 600; color: var(--text-primary); margin-bottom: 0.25rem; }
.kg-info-smiles {
    font-family: 'JetBrains Mono', monospace; font-size: 0.78rem;
    color: var(--text-primary); word-break: break-all; margin-bottom: 0.4rem;
}
.kg-info-meta { font-size: 0.76rem; color: var(--text-secondary); margin-bottom: 0.3rem; }
.kg-info-meta code { color: var(--accent-cyan); }
.kg-info-subtitle {
    font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.04em;
    color: var(--text-secondary); margin: 0.7rem 0 0.35rem;
}
.kg-info-actions { display: flex; flex-direction: column; gap: 0.4rem; margin-top: 0.7rem; }
.kg-info-list { display: flex; flex-direction: column; gap: 0.25rem; }
.kg-info-row {
    display: flex; align-items: center; gap: 0.4rem;
    padding: 0.35rem 0.45rem; border: 1px solid var(--border);
    border-radius: 6px; cursor: pointer; font-size: 0.78rem;
    color: var(--text-primary); background: var(--bg-tertiary);
}
.kg-info-row:hover { border-color: var(--accent-cyan); }
.kg-info-row-label { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.kg-side {
    font-size: 0.6rem; text-transform: uppercase; padding: 0.1rem 0.35rem;
    border-radius: 999px; font-weight: 600; flex-shrink: 0;
}
.kg-side-reactant { background: color-mix(in srgb, var(--accent-cyan) 22%, transparent); color: var(--accent-cyan); }
.kg-side-product  { background: color-mix(in srgb, var(--accent-green) 22%, transparent); color: var(--accent-green); }

.kg-info-epd {
    display: grid;
    grid-template-columns: auto auto 1fr;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.72rem;
    padding: 0.25rem 0.1rem;
    border-bottom: 1px dashed var(--border);
}
.kg-epd-idx {
    width: 18px; height: 18px; border-radius: 50%;
    background: var(--accent-orange); color: #08131a;
    display: inline-flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 0.68rem;
}
.kg-epd-code { font-family: 'JetBrains Mono', monospace; color: var(--accent-purple); }
.kg-epd-atoms { font-family: 'JetBrains Mono', monospace; color: var(--text-secondary); }
.kg-epd-desc { grid-column: 2 / 4; color: var(--text-secondary); font-size: 0.68rem; }

/* ---- Trust badges (balanced / unbalanced) ---- */
.kg-trust-badge {
    display: inline-block;
    font-size: 0.68rem;
    font-weight: 600;
    padding: 0.12rem 0.45rem;
    border-radius: 999px;
    margin-bottom: 0.5rem;
}
.kg-trust-ok   { background: color-mix(in srgb, var(--accent-green) 20%, transparent); color: var(--accent-green); }
.kg-trust-warn { background: color-mix(in srgb, var(--accent-orange) 20%, transparent); color: var(--accent-orange); }

/* ---- Path-highlight accent (fallback if theme doesn't define --accent-yellow) ---- */
:root { --accent-yellow: #facc15; }

/* ---- TMAP loading bar animation ---- */
@keyframes tmap-slide {
    0%   { transform: translateX(-100%); }
    50%  { transform: translateX(233%); }
    100% { transform: translateX(-100%); }
}

/* ---- Focus-on-hover dimming ---- */
g.kg-node.kg-dim { opacity: 0.12; transition: opacity 0.12s; pointer-events: none; }
g.kg-node { transition: opacity 0.12s; }
line.kg-dim { stroke-opacity: 0.06 !important; transition: stroke-opacity 0.12s; }

/* ---- Recenter Floating Button ---- */
.kg-float-btn {
    position: absolute;
    bottom: 16px;
    right: 16px;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: color-mix(in srgb, var(--bg-secondary) 92%, transparent);
    border: 1px solid var(--border);
    color: var(--text-primary);
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 100;
    user-select: none;
    outline: none;
}
.kg-float-btn:hover {
    background: var(--bg-tertiary);
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
    transform: scale(1.1);
    box-shadow: 0 4px 16px rgba(0, 229, 255, 0.25);
}
.kg-float-btn:active {
    transform: scale(0.95);
}