/* Container */
.gtp-tree-wrapper {
    width: 100%;
    height: 600px;
    border: 1px solid #ddd;
    background: #f9f9f9;
    position: relative;
    overflow: hidden;
    border-radius: 8px;
}

.gtp-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 1.2em;
    color: #666;
}

/* Nodes */
.node rect {
    fill: #fff;
    stroke: #ccc;
    stroke-width: 1px;
    rx: 5;
    ry: 5;
    transition: all 0.3s ease;
}

.node:hover rect {
    stroke: #0073aa;
    stroke-width: 2px;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
}

.node text {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    font-size: 12px;
    pointer-events: none;
}

.node .name {
    font-weight: bold;
    font-size: 14px;
    fill: #333;
}

.node .dates {
    font-size: 10px;
    fill: #777;
}

.node image {
    clip-path: circle(20px at 20px 20px);
}

/* Links */
.link {
    fill: none;
    stroke: #ccc;
    stroke-width: 1.5px;
}

/* Form Styles */
.gtp-form-wrapper {
    max-width: 600px;
    margin: 0 auto;
    padding: 20px;
    background: #fff;
    border: 1px solid #eee;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

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

.gtp-form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
}

.gtp-form-group input[type="text"],
.gtp-form-group input[type="date"],
.gtp-form-group select {
    width: 100%;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.gtp-btn {
    background: #0073aa;
    color: #fff;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
}

.gtp-btn:hover {
    background: #005177;
}

.gtp-message {
    padding: 10px;
    margin-bottom: 15px;
    border-radius: 4px;
    display: none;
}

.gtp-message.success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.gtp-message.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}