/* Graph Family Lens Explorer
 * ==========================
 * Full-height network canvas showing one fixed node set under five
 * different graph-type "lenses". Overlay title, legend, lens selector,
 * infobox, and a persistent caption pinned to the bottom.
 */

/* ===========================================
   RESET & BASE
   =========================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    background-color: aliceblue;
}

/* ===========================================
   CONTAINER & NETWORK CANVAS
   =========================================== */
.container {
    position: relative;
    width: 100%;
    height: 100vh;
}

#network {
    width: 100%;
    height: 100%;
    background-color: aliceblue;
}

/* ===========================================
   TITLE (Top Center)
   =========================================== */
.title {
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 18px;
    font-weight: bold;
    color: black;
    background-color: rgba(240, 248, 255, 0.85);
    padding: 4px 12px;
    white-space: nowrap;
    z-index: 10;
}

/* ===========================================
   LEGEND (Upper Left)
   =========================================== */
.legend {
    position: absolute;
    top: 44px;
    left: 10px;
    padding: 6px 8px;
    background-color: rgba(255, 255, 255, 0.95);
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    z-index: 10;
}

.legend-item {
    display: flex;
    align-items: center;
    margin: 4px 0;
    font-size: 11px;
}

.legend-shape {
    width: 18px;
    height: 18px;
    margin-right: 6px;
    flex-shrink: 0;
}

.shape-circle {
    background-color: #97c2fc;
    border: 2px solid #2b7ce9;
    border-radius: 50%;
}

.shape-rect {
    background-color: #a5d6a7;
    border: 2px solid #43a047;
    border-radius: 5px;
}

/* CSS hexagon approximation for the legend swatch */
.shape-hex {
    background-color: #cfd8dc;
    border: 2px solid #78909c;
    clip-path: polygon(25% 5%, 75% 5%, 100% 50%, 75% 95%, 25% 95%, 0% 50%);
}

/* ===========================================
   RIGHT PANEL (Lens selector + infobox)
   =========================================== */
.right-panel {
    position: absolute;
    top: 44px;
    right: 10px;
    width: 250px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 10;
}

.lens-control {
    background-color: rgba(255, 255, 255, 0.97);
    border-radius: 8px;
    padding: 12px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.lens-control label {
    display: block;
    font-size: 12px;
    font-weight: bold;
    color: #333;
    margin-bottom: 6px;
}

#lens-select {
    width: 100%;
    padding: 8px;
    font-size: 13px;
    font-weight: bold;
    border: 1px solid #2196f3;
    border-radius: 6px;
    background-color: #f5faff;
    color: #1565c0;
    cursor: pointer;
}

.dag-badge {
    margin-top: 10px;
    text-align: center;
    font-size: 13px;
    font-weight: bold;
    color: white;
    background-color: #43a047;
    padding: 6px;
    border-radius: 6px;
}

.dag-badge::before {
    content: "\2713  ";
}

/* ===========================================
   INFOBOX
   =========================================== */
.infobox {
    background-color: rgba(255, 255, 255, 0.97);
    border-left: 4px solid #2196f3;
    border-radius: 6px;
    padding: 10px 12px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.infobox-title {
    font-weight: bold;
    font-size: 13px;
    color: #1976d2;
    margin-bottom: 4px;
}

.infobox-text {
    font-size: 12px;
    line-height: 1.5;
    color: #333;
}

/* ===========================================
   CAPTION (pinned bottom, full width)
   =========================================== */
.caption {
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    max-width: 90%;
    text-align: center;
    font-size: 12px;
    line-height: 1.4;
    color: #333;
    background-color: rgba(255, 255, 255, 0.95);
    padding: 8px 16px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.12);
    z-index: 10;
}

/* ===========================================
   RESPONSIVE
   =========================================== */
@media (max-width: 640px) {
    .title {
        font-size: 15px;
    }

    .right-panel {
        width: 190px;
    }

    .legend {
        max-width: 150px;
    }

    .caption {
        font-size: 11px;
        max-width: 96%;
    }
}