/* Basic Reset & Font */
:root {
    --system-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
    --background-color: #f6f6f7;
    --panel-background: #ffffff;
    --text-primary: #1d1d1f;
    --text-secondary: #6e6e73;
    --border-color: #d2d2d7;
    --accent-color: #007aff;
    --accent-hover: #0071e3;
    --button-secondary-bg: #e8e8ea;
    --button-secondary-hover: #dcdce0;
}

body {
    font-family: var(--system-font);
    margin: 0;
    background-color: var(--background-color);
    color: var(--text-primary);
    overflow: hidden; /* Prevent body scroll */
}

/* App Layout */
.app-container {
    display: flex;
    height: 100vh;
}

#cesiumContainer {
    flex: 1;
    height: 100%;
}

.controls-panel {
    width: 450px;
    background-color: var(--panel-background);
    border-left: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden; /* Hide main panel scrollbar */
}

header.panel-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0; /* Prevent header from shrinking */
}

h1 {
    font-size: 28px;
    margin: 0;
}

.panel-content {
    overflow-y: auto; /* Allow this middle section to scroll */
    flex-grow: 1;
}

.panel-section {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
}

h2 {
    font-size: 18px;
    color: var(--text-primary);
    margin-top: 0;
}

p {
    color: var(--text-secondary);
    font-size: 14px;
}

/* Point Selectors */
.point-selectors {
    display: flex;
    gap: 15px;
    align-items: center;
}

/* Input & Control Grid */
.control-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.colstack{display:flex;flex-direction:column;gap:10px;}

.input-group {
    display: flex;
    flex-direction: column;
}

label {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

input[type="number"],
input[type="text"] {
    min-width:120px;
    padding:10px;
    border:1px solid var(--border-color);
    border-radius:8px;
    font-size:16px;
    font-family:var(--system-font);
    box-sizing:border-box;
}
select{
    padding:10px;
    border:1px solid var(--border-color);
    border-radius:8px;
    font-size:16px;
    font-family:var(--system-font);
    box-sizing:border-box;
    min-width:70px;
}

/* Footer & Buttons */
.panel-footer {
    margin-top: auto; /* Push to bottom */
    padding: 24px;
    background-color: #f5f5f7;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 10px;
    flex-shrink: 0; /* Prevent footer from shrinking */
}

button, .button-primary {
    flex-grow: 1;
    padding: 12px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s;
}

.button-primary {
    background-color: var(--accent-color);
    color: white;
}
.button-primary:hover {
    background-color: var(--accent-hover);
}

#reset, #cancel-btn {
    background-color: var(--button-secondary-bg);
    color: var(--text-primary);
}
#reset:hover, #cancel-btn:hover {
    background-color: var(--button-secondary-hover);
}

.slave-list{margin:10px 0 15px 0;padding-left:0;}
.slave-list .slave-item{display:flex;justify-content:space-between;align-items:center;background:#f7f7f7;border:1px solid var(--border-color);border-radius:6px;padding:6px 10px;margin-bottom:6px;font-size:14px;}
.slave-list button {
    background: none;
    border: none;
    color: var(--accent-color);
    cursor: pointer;
    font-size: 18px; /* Larger icon size */
    padding: 2px 5px;
    line-height: 1;
}

/* Result Area */
#result-container {
    padding: 24px;
    display: block; /* Change from flex */
}

#result {
    padding-bottom: 20px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}
#result h3 {
    font-size: 18px;
    margin-top: 0;
}
#result p {
    font-size: 15px;
    display: flex;
    justify-content: space-between;
}

#profileChart, .profile-chart {
    width: 100%;
    height: 400px; /* Increased height for better resolution */
}

/* Confirmation Dialog */
#confirmation-dialog {
    display: none;
    position: absolute;
    background-color: var(--panel-background);
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 8px 16px rgba(0,0,0,0.15);
    border: 1px solid var(--border-color);
    z-index: 1000;
}
.dialog-buttons {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

.status-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 5px;
    margin-bottom: 15px;
}
.status-grid p {
    margin: 0;
    display: flex;
    justify-content: space-between;
}