/* styles/living-book-graph.css — граф «Живой Книги» */

.living-book-graph-section {
    margin: 1.5rem 0;
    min-width: 0;
}

.living-book-graph-section h2 {
    margin-top: 0;
}

/* --- Контейнер графа --- */
.living-book-graph {
    position: relative;
    width: 100%;
    height: min(65vh, 620px);
    min-height: 320px;
    overflow: hidden; /* скругляем углы canvas */
    border: 1px solid var(--border);
    border-radius: 6px;
    background:
            radial-gradient(circle at center, rgba(76, 201, 240, 0.05) 0%, transparent 70%),
            rgba(255, 255, 255, 0.02);
}

.living-book-graph div.vis-network:focus {
    outline: none;
}

.living-book-graph div.vis-network:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: -2px;
}

.living-book-graph-status {
    min-height: 1.5em;
    font-size: 0.85rem;
    opacity: 0.7;
}

/* --- Легенда (цвета = THEME в living-book-graph.js) --- */
.living-book-graph-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem 1.25rem;
    margin: 0 0 0.75rem;
    padding: 0;
    list-style: none;
    font-size: 0.9rem;
}

.living-book-graph-legend li {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

/* Книга — шестиугольник, как на графе */
.living-book-legend-book {
    display: inline-block;
    width: 18px;
    height: 16px;
    background: #9c27b0;
    clip-path: polygon(25% 0, 75% 0, 100% 50%, 75% 100%, 25% 100%, 0 50%);
}

/* Отклик — тёмный прямоугольник с синей рамкой */
.living-book-legend-entry {
    display: inline-block;
    width: 20px;
    height: 12px;
    box-sizing: border-box;
    background: #12303d;
    border: 1px solid #2196f3;
    border-radius: 3px;
}

/* Связь — линия со стрелкой */
.living-book-legend-edge {
    position: relative;
    display: inline-block;
    width: 26px;
    height: 0;
    border-top: 2px solid #6b6b6b;
}

.living-book-legend-edge::after {
    content: '';
    position: absolute;
    right: -1px;
    top: -5px;
    border-left: 7px solid #6b6b6b;
    border-top: 4px solid transparent;
    border-bottom: 4px solid transparent;
}

/* --- Кнопки навигации vis-network в стиле сайта ---
   Работает и с подключённым vis-network.min.css, и без него */
.living-book-graph div.vis-network div.vis-navigation div.vis-button {
    position: absolute;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    box-sizing: border-box;
    border: 1px solid var(--border);
    border-radius: 4px;
    background-color: rgba(10, 10, 10, 0.85);
    background-image: none !important; /* убираем штатные серые PNG-иконки */
    box-shadow: none;
    color: var(--text);
    font: 16px/1 system-ui, sans-serif;
    cursor: pointer;
    user-select: none;
    transition: border-color 0.2s ease, color 0.2s ease, background-color 0.2s ease;
}

.living-book-graph div.vis-network div.vis-navigation div.vis-button:hover {
    border-color: var(--accent);
    color: var(--accent);
    background-color: rgba(76, 201, 240, 0.12);
    box-shadow: none;
}

.living-book-graph div.vis-network div.vis-navigation div.vis-button:active {
    background-color: rgba(76, 201, 240, 0.25);
    box-shadow: none;
}

.living-book-graph div.vis-network div.vis-navigation div.vis-button.vis-up {
    bottom: 48px; left: 50px;
}
.living-book-graph div.vis-network div.vis-navigation div.vis-button.vis-down {
    bottom: 10px; left: 50px;
}
.living-book-graph div.vis-network div.vis-navigation div.vis-button.vis-left {
    bottom: 10px; left: 12px;
}
.living-book-graph div.vis-network div.vis-navigation div.vis-button.vis-right {
    bottom: 10px; left: 88px;
}
.living-book-graph div.vis-network div.vis-navigation div.vis-button.vis-zoomIn {
    bottom: 10px; right: 12px;
}
.living-book-graph div.vis-network div.vis-navigation div.vis-button.vis-zoomOut {
    bottom: 10px; right: 50px;
}
.living-book-graph div.vis-network div.vis-navigation div.vis-button.vis-zoomExtends {
    bottom: 48px; right: 12px;
}

.living-book-graph div.vis-network div.vis-navigation div.vis-button.vis-up::before          { content: '↑'; }
.living-book-graph div.vis-network div.vis-navigation div.vis-button.vis-down::before        { content: '↓'; }
.living-book-graph div.vis-network div.vis-navigation div.vis-button.vis-left::before        { content: '←'; }
.living-book-graph div.vis-network div.vis-navigation div.vis-button.vis-right::before       { content: '→'; }
.living-book-graph div.vis-network div.vis-navigation div.vis-button.vis-zoomIn::before      { content: '+'; }
.living-book-graph div.vis-network div.vis-navigation div.vis-button.vis-zoomOut::before     { content: '−'; }
.living-book-graph div.vis-network div.vis-navigation div.vis-button.vis-zoomExtends::before { content: '⤢'; }

/* --- Детали узла --- */
.living-book-node-details {
    overflow-wrap: anywhere;
    margin-top: 1rem;
    padding: 1rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.03);
}

.living-book-node-details h3 {
    margin: 0 0 0.75rem;
    color: var(--accent);
    font-size: 1rem;
}

.living-book-node-details-hint {
    margin: 0;
    font-size: 0.85rem;
    opacity: 0.7;
}

.living-book-node-details-list {
    display: grid;
    grid-template-columns: max-content 1fr;
    gap: 0.35rem 1rem;
    margin: 0 0 0.75rem;
}

.living-book-node-details-list:last-child {
    margin-bottom: 0;
}

.living-book-node-details-list dt {
    opacity: 0.6;
}

.living-book-node-details-list dd {
    margin: 0;
    overflow-wrap: anywhere;
}

.living-book-node-details-text {
    margin: 0;
    padding: 0.75rem 1rem;
    max-height: 300px;
    overflow-y: auto;
    border-left: 3px solid var(--accent);
    background: rgba(76, 201, 240, 0.05);
    line-height: 1.6;
    white-space: pre-wrap;
    overflow-wrap: anywhere;
}

/* --- Мобильные --- */
@media (max-width: 600px) {
    .living-book-graph {
        height: 55vh;
        min-height: 280px;
    }

    .living-book-graph-legend {
        flex-direction: column;
        gap: 0.4rem;
    }

    /* На тач-экранах граф двигают пальцем — стрелки не нужны, оставляем только масштаб */
    .living-book-graph div.vis-network div.vis-navigation div.vis-button.vis-up,
    .living-book-graph div.vis-network div.vis-navigation div.vis-button.vis-down,
    .living-book-graph div.vis-network div.vis-navigation div.vis-button.vis-left,
    .living-book-graph div.vis-network div.vis-navigation div.vis-button.vis-right {
        display: none;
    }

    .living-book-node-details-list {
        grid-template-columns: 1fr;
        gap: 0.1rem;
    }

    .living-book-node-details-list dd {
        margin-bottom: 0.5rem;
    }
}