:root {
    --bg-color: #0d0d0d;
    --text-color: #f0f0f0;
    --accent-red: #c92a2a;
    --accent-gold: #c5a059;
    --panel-bg: rgba(30, 30, 30, 0.85);
    --border-radius: 8px;
    --font-mincho: 'Shippori Mincho', serif;
    --font-sans: 'Noto Sans JP', sans-serif;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-color);
    color: var(--text-color);
    overflow-x: hidden;
    min-height: 100vh;
}

.background-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, #2a0a0a 0%, #000000 100%);
    z-index: -1;
}

.container {
    width: 95%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

.main-header {
    text-align: center;
    margin-bottom: 40px;
    position: relative;
    z-index: 10;
}

.main-header h1 {
    font-family: var(--font-mincho);
    font-size: 3rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    background: linear-gradient(to bottom, #fff, #aaa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 4px 10px rgba(0, 0, 0, 0.8);
}

.subtitle {
    color: var(--accent-red);
    font-family: var(--font-mincho);
    font-size: 1.2rem;
    letter-spacing: 0.2em;
    margin-top: 10px;
}

/* Chart Layout */
.chart-container {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 40px;
    padding: 20px;
}

#connections-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

/* Groups */
.group-box {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(20, 20, 20, 0.6);
    padding: 20px;
    border-radius: var(--border-radius);
    position: relative;
    backdrop-filter: blur(5px);
}

.group-label {
    position: absolute;
    top: -15px;
    left: 20px;
    background: var(--bg-color);
    padding: 5px 15px;
    border: 1px solid var(--accent-gold);
    color: var(--accent-gold);
    font-family: var(--font-mincho);
    font-weight: bold;
    font-size: 1.2rem;
    z-index: 2;
}

.main-org {
    border: 2px solid #444;
}

.main-org>.group-label {
    font-size: 1.5rem;
    border-color: #fff;
    color: #fff;
    background: #000;
}

.sub-groups-wrapper {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    justify-content: center;
    margin-top: 20px;
}

.sub-org {
    flex: 1;
    min-width: 300px;
    border-top: 3px solid var(--accent-gold);
}

.bottom-tier {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    justify-content: space-around;
}

.enemy-org {
    border-top: 3px solid var(--accent-red);
    flex: 1;
    min-width: 300px;
}

.enemy-org .group-label {
    color: var(--accent-red);
    border-color: var(--accent-red);
}

.external-org {
    border-top: 3px solid #888;
    flex: 0 0 auto;
    min-width: 250px;
}

/* Members Grid */
.members-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
    padding-top: 10px;
}

/* Character Card */
.char-card {
    width: 160px;
    background: #1a1a1a;
    border: 1px solid #333;
    border-radius: 4px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
    position: relative;
    z-index: 3;
}

.char-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(197, 160, 89, 0.2);
    border-color: var(--accent-gold);
}

.enemy-org .char-card:hover {
    box-shadow: 0 5px 15px rgba(201, 42, 42, 0.3);
    border-color: var(--accent-red);
}

.img-wrapper {
    width: 100%;
    height: 180px;
    overflow: hidden;
    position: relative;
}

.img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
    transition: transform 0.3s ease;
}

/* Fix for Rokemasa image containing burnt-in text at the bottom */
#node-rokemasa .img-wrapper img {
    height: 120%;
    /* Increase height to push bottom text out */
    object-position: top center;
}

.char-card:hover .img-wrapper img {
    transform: scale(1.05);
}

.char-info {
    padding: 10px 5px;
    text-align: center;
}

.char-role {
    font-size: 0.75rem;
    color: #888;
    margin-bottom: 2px;
}

.char-name {
    font-family: var(--font-mincho);
    font-weight: bold;
    font-size: 0.95rem;
    color: #fff;
    word-break: manual;
    overflow-wrap: break-word;
    line-height: 1.3;
}

.char-actor {
    font-size: 0.7rem;
    color: var(--accent-gold);
    margin-top: 4px;
}

/* Modal */
.hidden {
    display: none !important;
}

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 100;
    display: flex;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(5px);
}

.modal-content {
    background: #1a1a1a;
    border: 1px solid var(--accent-gold);
    display: flex;
    max-width: 600px;
    width: 90%;
    position: relative;
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.8);
}

.close-btn {
    position: absolute;
    top: 10px;
    right: 15px;
    color: #fff;
    font-size: 1.5rem;
    cursor: pointer;
}

#modal-img {
    width: 40%;
    object-fit: cover;
}

.modal-info {
    padding: 30px;
    width: 60%;
}

#modal-name {
    font-family: var(--font-mincho);
    color: var(--accent-gold);
    font-size: 1.8rem;
    margin-bottom: 1px;
}

#modal-role {
    color: #888;
    font-size: 0.9rem;
    margin-bottom: 20px;
}

#modal-desc {
    font-size: 0.95rem;
    line-height: 1.6;
}

/* SVG Lines */
line,
path {
    stroke: rgba(255, 255, 255, 0.3);
    stroke-width: 1.5;
    fill: none;
    transition: stroke 0.3s, stroke-width 0.3s;
}

.relationship-label {
    fill: #ccc;
    font-size: 12px;
    background: #000;
    /* SVG text doesn't support bg, handled via rect usually, or keep simple text on top */
    text-anchor: middle;
}

@media (max-width: 768px) {

    .sub-groups-wrapper,
    .bottom-tier {
        flex-direction: column;
    }

    .char-card {
        width: 130px;
    }

    .img-wrapper {
        height: 150px;
    }
}