:root {
    --bg-primary: #e8f0f7;
    --bg-secondary: rgba(255, 255, 255, 0.6);
    --bg-card: #ffffff;
    --text-primary: #2c3e50;
    --text-secondary: #5a6c7d;
    --text-tertiary: #7f8c9a;
    --border-color: #d0dce6;
    --shadow: rgba(0, 0, 0, 0.1);
    --line-color: #5a6c7d;
    
    
    --family-eurasburg: #4a90e2;
    --family-rosenheim: #e27d4a;
    --family-hassenham: #50c878;
    --family-schaeftlarn: #9b59b6;
    --family-benediktbeuern: #e74c3c;
    --family-karanganda: #f39c12;
    --family-monatshausen: #16a085;
    --family-sametsham: #3498db;
    --family-ampfing: #e67e22;
    --family-angering: #e91e63;
    --family-ritzing: #795548;
    --family-hollroth: #8e44ad;
    --family-mettenheim: #c0392b;
    
    
    --gen-bg-1: rgba(0, 0, 0, 0.02);
    --gen-bg-2: rgba(0, 0, 0, 0.04);
    --gen-bg-3: rgba(0, 0, 0, 0.06);
    --gen-bg-4: rgba(0, 0, 0, 0.08);
    --gen-bg-5: rgba(0, 0, 0, 0.10);
    --gen-bg-6: rgba(0, 0, 0, 0.12);
}

body.dark-mode {
    --bg-primary: #1a1a1a;
    --bg-secondary: rgba(40, 40, 40, 0.5);
    --bg-card: #2d2d2d;
    --text-primary: #e0e0e0;
    --text-secondary: #b0b0b0;
    --text-tertiary: #808080;
    --border-color: #404040;
    --shadow: rgba(0, 0, 0, 0.3);
    --line-color: #999;
    
    
    --gen-bg-1: rgba(255, 255, 255, 0.03);
    --gen-bg-2: rgba(255, 255, 255, 0.06);
    --gen-bg-3: rgba(255, 255, 255, 0.09);
    --gen-bg-4: rgba(255, 255, 255, 0.12);
    --gen-bg-5: rgba(255, 255, 255, 0.15);
    --gen-bg-6: rgba(255, 255, 255, 0.18);
}


.login-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    animation: fadeIn 0.3s ease;
}

.login-overlay.hidden {
    display: none;
}

.login-container {
    background: white;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    padding: 40px;
    width: 90%;
    max-width: 420px;
    animation: slideUp 0.4s ease;
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header h2 {
    color: #2c3e50;
    font-size: 28px;
    margin: 0 0 10px 0;
    font-weight: 600;
}

.login-header p {
    color: #5a6c7d;
    font-size: 14px;
    margin: 0;
}


.auth-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 25px;
    border-bottom: 2px solid #e0e6ed;
}

.auth-tab {
    flex: 1;
    padding: 12px;
    background: none;
    border: none;
    color: #5a6c7d;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
}

.auth-tab:hover {
    color: #667eea;
}

.auth-tab.active {
    color: #667eea;
    border-bottom-color: #667eea;
}

.auth-form {
    animation: fadeIn 0.3s ease;
}

.auth-form.hidden {
    display: none;
}

.login-form .form-group,
.register-form .form-group {
    margin-bottom: 20px;
}

.login-form label,
.register-form label {
    display: block;
    color: #2c3e50;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 8px;
}

.login-form input,
.register-form input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e0e6ed;
    border-radius: 8px;
    font-size: 15px;
    transition: all 0.3s ease;
    box-sizing: border-box;
}

.login-form input:focus,
.register-form input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-hint {
    display: block;
    color: #7f8c9a;
    font-size: 12px;
    margin-top: 5px;
}

.register-note {
    text-align: center;
    color: #5a6c7d;
    font-size: 13px;
    margin-top: 15px;
    line-height: 1.4;
}

.register-success {
    background: #d4edda;
    color: #155724;
    padding: 12px;
    border-radius: 6px;
    font-size: 13px;
    margin-bottom: 15px;
    text-align: center;
    line-height: 1.4;
}

.register-success.hidden {
    display: none;
}


.logout-btn {
    display: flex;
    align-items: center;
    gap: 6px;
}

.logout-btn:hover {
    background: rgba(231, 76, 60, 0.1);
    border-color: #e74c3c;
    color: #e74c3c;
}

.logout-btn svg {
    transition: transform 0.3s ease;
}

.logout-btn:hover svg {
    transform: translateX(3px);
}

body.dark-mode .logout-btn:hover {
    background: rgba(231, 76, 60, 0.2);
    border-color: #e74c3c;
    color: #e74c3c;
}

@media (max-width: 768px) {
    .logout-text {
        display: none;
    }
}

.login-error {
    color: #e74c3c;
    font-size: 13px;
    margin-bottom: 15px;
    min-height: 18px;
    text-align: center;
}

.login-button {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.login-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.4);
}

.login-button:active {
    transform: translateY(0);
}

.main-content.hidden {
    display: none;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}


.minimap-overlay {
    position: fixed;
    top: 20px;
    left: 20px;
    background: var(--bg-card);
    border-radius: 10px;
    box-shadow: 0 4px 12px var(--shadow);
    z-index: 1000;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    height: 220px;
    width: 350px;
}

.minimap-overlay:hover {
    box-shadow: 0 6px 15px var(--shadow);
}

.minimap-header {
    color: var(--text-primary);
    font-size: 0.85rem;
    font-weight: 600;
    text-align: center;
    letter-spacing: 0.3px;
    padding-bottom: 4px;
    border-bottom: 2px solid var(--border-color);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.legend-header {
    font-size: 0.85rem;
    color: var(--text-primary);
    font-weight: 600;
    padding-bottom: 4px;
    border-bottom: 2px solid var(--border-color);
    text-align: center;
    flex-shrink: 0;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.toggle-box-btn {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 18px;
    line-height: 1;
    color: var(--text-primary);
    transition: all 0.2s ease;
    padding: 0;
    font-weight: bold;
}

.toggle-box-btn:hover {
    background: var(--text-secondary);
    color: var(--bg-card);
    transform: translateY(-50%) scale(1.1);
}

.minimap-overlay.collapsed,
.family-filter-group.collapsed {
    height: auto;
    width: auto;
    min-width: auto;
}

.minimap-overlay.collapsed .minimap-content,
.family-filter-group.collapsed .legend-items {
    display: none;
}

.minimap-overlay.collapsed .minimap-header,
.family-filter-group.collapsed .legend-header {
    border-bottom: none;
    padding-bottom: 0;
}

.minimap-content {
    position: relative;
    flex: 1;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 6px;
    overflow: hidden;
    cursor: pointer;
    transition: background 0.2s ease;
}

.minimap-content:hover {
    background: var(--bg-primary);
}

.minimap-tree-preview {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    transform-origin: top left;
    pointer-events: none;
}

.minimap-tree-preview .mini-person {
    position: absolute;
    width: 6px;
    height: 6px;
    background: var(--text-secondary);
    border-radius: 50%;
    opacity: 0.85;
    box-shadow: 0 0 2px rgba(0, 0, 0, 0.3);
    transition: opacity 0.3s ease, filter 0.3s ease;
}

.minimap-tree-preview .mini-person.filtered-out {
    opacity: 0.15;
    filter: grayscale(70%);
}

.minimap-tree-preview .mini-line {
    position: absolute;
    background: var(--line-color);
    opacity: 0.3;
}

.minimap-viewport {
    position: absolute;
    background: rgba(74, 144, 226, 0.25);
    border: 2px solid #4a90e2;
    border-radius: 4px;
    pointer-events: none;
    transition: all 0.1s ease-out;
    box-shadow: 0 0 15px rgba(74, 144, 226, 0.4), inset 0 0 10px rgba(74, 144, 226, 0.2);
    z-index: 10;
}


.family-filter-group {
    position: fixed;
    top: 20px;
    left: 410px;
    z-index: 1000;
    background: var(--bg-card);
    padding: 12px;
    border-radius: 10px;
    box-shadow: 0 4px 12px var(--shadow);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 6px;
    height: 220px;
    width: auto;
    min-width: 450px;
    transition: all 0.3s ease;
}

.family-filter-group:hover {
    box-shadow: 0 6px 15px var(--shadow);
}

.legend-items {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3px;
    row-gap: 3px;
    flex: 1;
    align-content: start;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 8px;
    background: var(--bg-secondary);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 2px solid transparent;
}

.legend-item:hover {
    background: var(--border-color);
    transform: translateY(-2px);
}

.legend-item.active {
    background: rgba(74, 144, 226, 0.15);
    border-color: #4a90e2;
    box-shadow: 0 0 8px rgba(74, 144, 226, 0.3);
}

.legend-color {
    width: 16px;
    height: 16px;
    border-radius: 4px;
    border: 1px solid var(--border-color);
    flex-shrink: 0;
}

.legend-label {
    font-size: 0.72rem;
    color: var(--text-primary);
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.legend-item.active .legend-label {
    font-weight: 700;
    color: #4a90e2;
}


@media (max-width: 1600px) {
    .family-filter-group {
        min-width: 420px;
    }
}

@media (max-width: 1400px) {
    .minimap-overlay {
        width: 300px;
        height: 200px;
    }
    
    .family-filter-group {
        left: 320px;
        min-width: 400px;
        height: 200px;
    }
}

@media (max-width: 1024px) {
    .minimap-overlay {
        width: 250px;
        height: 180px;
    }
    
    .family-filter-group {
        left: 270px;
        min-width: 350px;
        height: auto;
        max-height: 220px;
        overflow-y: auto;
    }
    
    .legend-items {
        grid-template-columns: repeat(2, 1fr);
        gap: 3px;
    }
    
    .legend-item {
        padding: 4px 6px;
    }
}

@media (max-width: 768px) {
    .minimap-overlay {
        width: min(200px, calc(100vw - 40px));
        height: auto;
        max-height: 40vh;
        padding: 8px;
    }
    
    .family-filter-group {
        top: auto;
        bottom: 20px;
        left: 20px;
        width: auto;
        min-width: unset;
        max-width: calc(100vw - 40px);
        height: auto;
        max-height: 30vh;
        overflow-y: auto;
        padding: 8px;
    }
    
    .legend-items {
        grid-template-columns: repeat(2, 1fr);
        gap: 4px;
    }
    
    .minimap-header,
    .legend-header {
        font-size: 0.75rem;
        padding: 6px 30px 6px 8px;
    }
    
    .controls-header {
        font-size: 0.75rem;
        padding: 6px 30px 6px 8px;
    }
    
    .toggle-box-btn {
        width: 20px;
        height: 20px;
        font-size: 14px;
        right: 5px;
    }
    
    .controls-wrapper {
        top: 10px;
        right: 10px;
        max-width: calc(100vw - 20px);
    }
}

@media (max-width: 480px) {
    .minimap-overlay {
        width: min(170px, calc(100vw - 40px));
        max-height: 35vh;
        padding: 6px;
        gap: 4px;
    }

    .family-filter-group {
        bottom: 20px;
        padding: 6px;
        max-height: 25vh;
    }
    
    .legend-items {
        grid-template-columns: repeat(2, 1fr);
        gap: 3px;
    }
    
    .legend-item {
        padding: 3px 6px;
    }
    
    .minimap-header,
    .legend-header {
        font-size: 0.7rem;
        padding: 5px 28px 5px 6px;
    }
    
    .controls-header {
        font-size: 0.7rem;
        padding: 5px 28px 5px 6px;
    }
    
    .toggle-box-btn {
        width: 18px;
        height: 18px;
        font-size: 12px;
        right: 4px;
    }
    
    .legend-label {
        font-size: 0.65rem;
    }
    
    .legend-color {
        width: 10px;
        height: 10px;
        min-width: 10px;
    }
    
    .controls-wrapper {
        top: 10px;
        right: 10px;
        max-width: calc(100vw - 20px);
    }
    
    .controls {
        flex-direction: column;
        gap: 6px;
        padding: 8px;
    }
    
    .control-group {
        gap: 6px;
    }
    
    .control-group label {
        font-size: 12px;
    }
}


body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--bg-primary);
    min-height: 100vh;
    transition: background-color 0.3s ease;
    overflow: hidden;
}

#tree-container {
    width: 100vw;
    height: calc(100vh - 60px);
    overflow: hidden;
    position: relative;
    cursor: grab;
}

#tree-container:active {
    cursor: grabbing;
}

#tree-wrapper {
    transform-origin: 0 0;
    transition: transform 0.1s ease-out;
    position: absolute;
    width: 100%;
    height: 100%;
}

.family-tree {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    gap: 60px;
    position: relative;
    padding: 60px;
    min-width: max-content;
    min-height: 100vh;
    background: var(--bg-secondary);
    border-radius: 15px;
    box-shadow: 0 0 20px var(--shadow);
    transition: all 0.3s ease;
    overflow: visible;
}


.tree-node::before {
    content: '';
    position: absolute;
    top: -30px;
    left: 50%;
    width: 2px;
    height: 30px;
    background-color: var(--line-color);
    transform: translateX(-50%);
}

.tree-root > .family-tree-branch > .tree-node::before {
    display: none;
}

.tree-node-children::before {
    content: '';
    position: absolute;
    top: -30px;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--line-color);
}

.tree-node-children > .tree-node::after {
    content: '';
    position: absolute;
    top: -30px;
    left: 50%;
    width: 2px;
    height: 30px;
    background-color: var(--line-color);
    transform: translateX(-50%);
}

.generation {
    position: relative;
}

#connections {
    z-index: 1;
}


.tree-root {
    display: flex;
    flex-direction: row;
    gap: 100px;
    align-items: flex-start;
    justify-content: center;
    padding: 40px;
    min-width: max-content;
    position: relative;
    z-index: 1;
}

.family-tree-branch {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
    position: relative;
    z-index: 1;
}

.tree-node {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
}


.generation-layer {
    position: absolute;
    left: -1000px;
    right: -1000px;
    width: calc(100% + 2000px);
    z-index: 0;
    pointer-events: none;
    transition: background-color 0.3s ease;
    border-radius: 0;
    display: none; 
}

.generation-layer[data-generation="1"] {
    background-color: var(--gen-bg-1);
}

.generation-layer[data-generation="2"] {
    background-color: var(--gen-bg-2);
}

.generation-layer[data-generation="3"] {
    background-color: var(--gen-bg-3);
}

.generation-layer[data-generation="4"] {
    background-color: var(--gen-bg-4);
}

.generation-layer[data-generation="5"] {
    background-color: var(--gen-bg-5);
}

.generation-layer[data-generation="6"] {
    background-color: var(--gen-bg-6);
}

.tree-node {
    display: flex;
    flex-direction: column;
    position: relative;
    align-items: center;
}

.tree-node-parents {
    display: flex;
    flex-direction: row;
    gap: 20px;
    align-items: flex-start;
    position: relative;
    z-index: 2;
}

.tree-node-children {
    display: flex;
    flex-direction: row;
    gap: 40px;
    align-items: flex-start;
    justify-content: center;
    position: relative;
    margin-top: 80px;
}


.tree-node-children > .tree-node {
    align-self: flex-start;
}

.generation {
    display: flex;
    flex-direction: row;
    gap: 80px;
    width: max-content;
    min-width: 100%;
    position: relative;
    margin-bottom: 80px;
    padding: 20px;
    align-items: center;
    justify-content: center;
}

.family-line-column {
    display: flex;
    flex-direction: row;
    gap: 40px;
    align-items: center;
    justify-content: center;
    flex-wrap: nowrap;
    min-width: fit-content;
}

.family-branch {
    display: flex;
    gap: 20px;
    padding: 20px;
    border-radius: 5px;
    position: relative;
    flex: 0 0 auto;
}

.partner-group {
    display: flex;
    gap: 10px;
    padding: 15px;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    background-color: var(--bg-secondary);
    transition: all 0.3s ease;
    align-items: flex-start;
}


.partner-group.multiple-marriages {
    flex-direction: column;
    align-items: stretch;
    gap: 5px;
    padding: 10px;
}

.marriage-row {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px;
    border-radius: 6px;
}

.marriage-row.first-marriage {
    background-color: var(--bg-tertiary);
    margin-bottom: 5px;
}

.marriage-row.active-marriage-row {
    background-color: rgba(76, 175, 80, 0.05);
}

.marriage-order {
    font-size: 10px;
    color: var(--text-tertiary);
    font-style: italic;
    margin-top: 2px;
}

.marriage-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 5px 10px;
    min-width: 60px;
}

.marriage-info.active-marriage .marriage-icon {
    color: #4CAF50;
    font-weight: bold;
}

.marriage-icon {
    font-size: 24px;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.marriage-date {
    font-size: 11px;
    color: var(--text-tertiary);
    text-align: center;
    font-weight: 500;
}


.person.inactive-partner {
    opacity: 0.6;
}


.marriage-row .person {
    padding: 8px 12px;
    min-width: 140px;
}

.marriage-row .person .person-name {
    font-size: 13px;
}

.marriage-row .person .person-dates {
    font-size: 10px;
}

.person {
    background: var(--bg-card);
    border-radius: 8px;
    padding: 20px;
    min-width: 200px;
    box-shadow: 0 4px 6px var(--shadow);
    position: relative;
    z-index: 2;
    transition: all 0.3s ease;
    border-left: 4px solid transparent;
}


.person[data-family-line="eurasburg"] {
    border-left-color: var(--family-eurasburg);
}

.person[data-family-line="rosenheim"] {
    border-left-color: var(--family-rosenheim);
}

.person[data-family-line="hassenham"] {
    border-left-color: var(--family-hassenham);
}

.person[data-family-line="schaeftlarn"] {
    border-left-color: var(--family-schaeftlarn);
}

.person[data-family-line="benediktbeuern"] {
    border-left-color: var(--family-benediktbeuern);
}

.person[data-family-line="karanganda"] {
    border-left-color: var(--family-karanganda);
}

.person[data-family-line="monatshausen"] {
    border-left-color: var(--family-monatshausen);
}

.person[data-family-line="angering"] {
    border-left-color: var(--family-angering);
}

.person[data-family-line="ritzing"] {
    border-left-color: var(--family-ritzing);
}


.person[data-family-line="sametsham"] {
    border-left-color: var(--family-sametsham);
}

.person[data-family-line="ampfing"] {
    border-left-color: var(--family-ampfing);
}

.person[data-family-line="hollroth"] {
    border-left-color: var(--family-hollroth);
}

.person[data-family-line="mettenheim"] {
    border-left-color: var(--family-mettenheim);
}

.person.filtered-out {
    opacity: 0.3;
    filter: grayscale(80%);
}

.person-content {
    text-align: center;
    position: relative;
}

.person h3 {
    margin: 0 0 8px 0;
    font-size: 16px;
    color: var(--text-primary);
}

.person p {
    margin: 0;
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.4;
}

.person .zusatz {
    font-size: 12px;
    color: var(--text-tertiary);
    margin-bottom: 4px;
    font-style: italic;
}

.person .geburtsname {
    font-size: 13px;
    color: var(--text-secondary);
    margin: 4px 0 8px 0;
    font-style: italic;
}

.person .birth,
.person .death {
    margin: 2px 0;
}


.person:hover {
    box-shadow: 0 6px 12px rgba(0,0,0,0.15);
    transform: translateY(-2px);
    transition: all 0.3s ease;
}


.controls-wrapper {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    background: var(--bg-card);
    border-radius: 10px;
    box-shadow: 0 4px 12px var(--shadow);
    transition: all 0.3s ease;
}

.controls-wrapper:hover {
    box-shadow: 0 6px 15px var(--shadow);
}

.controls-header {
    font-size: 0.85rem;
    color: var(--text-primary);
    font-weight: 600;
    padding: 8px 15px;
    border-bottom: 2px solid var(--border-color);
    text-align: center;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px 10px 0 0;
}

.controls-wrapper.collapsed {
    width: auto;
}

.controls-wrapper.collapsed .controls {
    display: none;
}

.controls-wrapper.collapsed .controls-header {
    border-bottom: none;
    border-radius: 10px;
}

.controls {
    display: flex;
    gap: 10px;
    align-items: center;
    padding: 15px;
}

.control-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.control-group label {
    font-size: 14px;
    color: var(--text-primary);
    font-weight: 500;
}

.control-select {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: var(--bg-card);
    color: var(--text-primary);
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.control-select:hover {
    border-color: #4CAF50;
}

.zoom-controls {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0 10px;
    border-left: 1px solid var(--border-color);
}

.zoom-level {
    min-width: 50px;
    text-align: center;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
}

.zoom-controls .control-button {
    padding: 6px 12px;
    font-size: 16px;
    font-weight: bold;
    min-width: 35px;
}

.control-button {
    padding: 10px 20px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s ease;
}

.control-button:hover {
    background-color: #45a049;
    transform: translateY(-1px);
}

#darkModeToggle {
    background-color: var(--bg-card);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
    padding: 8px 12px;
    font-size: 18px;
}

#darkModeToggle:hover {
    background-color: var(--border-color);
    transform: translateY(-1px);
}


.modal {
    display: none;
    position: fixed;
    z-index: 1001;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
}

.modal-content {
    background-color: var(--bg-card);
    color: var(--text-primary);
    margin: 5% auto;
    padding: 30px;
    border: 1px solid #888;
    width: 80%;
    max-width: 500px;
    border-radius: 8px;
    position: relative;
}

.modal-content-wide {
    max-width: 900px;
    margin: 3% auto;
}

.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.close:hover {
    color: black;
}


.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
    color: var(--text-primary);
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 8px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 14px;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

.form-group select[multiple] {
    height: 100px;
    overflow-y: auto;
}

.form-group small {
    display: block;
    color: var(--text-tertiary);
    font-size: 12px;
    margin-top: 4px;
}


.form-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 20px;
}

.form-column-left {
    display: flex;
    flex-direction: column;
}

.form-column-right {
    display: flex;
    flex-direction: column;
}

.form-column-right .form-group select[multiple] {
    height: 200px;
    min-height: 200px;
}

.form-actions {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

form button {
    background-color: #4CAF50;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    width: 100%;
    margin-top: 10px;
}

form button:hover {
    background-color: #45a049;
}


.ancestor {
    background: #e8f4f8;
    border: 2px solid #b8d8e8;
}


.branch-1 { background-color: rgba(200, 230, 200, 0.2); }
.branch-2 { background-color: rgba(230, 200, 200, 0.2); }
.branch-3 { background-color: rgba(200, 200, 230, 0.2); }
.branch-4 { background-color: rgba(230, 230, 200, 0.2); }
.branch-5 { background-color: rgba(200, 230, 230, 0.2); }
.branch-6 { background-color: rgba(230, 200, 230, 0.2); }
.branch-7 { background-color: rgba(220, 220, 200, 0.2); }
.branch-8 { background-color: rgba(200, 220, 220, 0.2); }
.branch-9 { background-color: rgba(220, 200, 220, 0.2); }


.partner {
    border-left: 2px dashed #ccc;
}


.color-legend {
    position: fixed;
    top: 20px;
    left: 20px;
    background: var(--bg-card);
    padding: 15px 20px;
    border-radius: 10px;
    box-shadow: 0 4px 12px var(--shadow);
    z-index: 1000;
    transition: all 0.3s ease;
}

.color-legend h3 {
    margin: 0 0 10px 0;
    font-size: 14px;
    font-weight: bold;
    color: var(--text-primary);
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 8px;
}

.legend-items {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.legend-color {
    width: 16px;
    height: 16px;
    border-radius: 3px;
    flex-shrink: 0;
}

.legend-label {
    font-size: 12px;
    color: var(--text-secondary);
    white-space: nowrap;
}

@media (max-width: 768px) {
    .color-legend {
        top: 10px;
        left: 10px;
        right: 10px;
        padding: 10px;
    }
    
    .legend-items {
        grid-template-columns: repeat(2, 1fr);
    }
}