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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #333;
    background-color: #f5f5f5;
    line-height: 1.6;
}

.container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    max-width: 100%;
    margin: 0 auto;
}

header {
    background-color: #3b7ddd;
    color: white;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

h1 {
    font-size: 1.5rem;
    font-weight: 600;
}

.file-input-controls {
    display: flex;
    gap: 10px;
    align-items: center;
}

.file-input-container {
    position: relative;
}

.upload-btn {
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: #ffffff;
    color: #3b7ddd;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 500;
    transition: background-color 0.2s;
}

.upload-btn:hover {
    background-color: #f0f0f0;
}

.api-btn {
    padding: 0.5rem 1rem;
    background-color: #ffffff;
    color: #3b7ddd;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 500;
    transition: background-color 0.2s;
}

.api-btn:hover {
    background-color: #f0f0f0;
}

input[type="file"] {
    position: absolute;
    left: -9999px;
    opacity: 0;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    overflow: auto;
}

.modal-content {
    background-color: #fff;
    margin: 10% auto;
    width: 80%;
    max-width: 600px;
    border-radius: 6px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    animation: modalFadeIn 0.3s;
}

@keyframes modalFadeIn {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

.modal-header {
    padding: 1rem;
    border-bottom: 1px solid #e0e0e0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
    color: #333;
}

.close-modal {
    color: #888;
    font-size: 1.5rem;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.2s;
}

.close-modal:hover {
    color: #333;
}

.modal-body {
    padding: 1.5rem;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #555;
}

.form-group input {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 0.9rem;
}

.form-actions {
    margin-top: 1.5rem;
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
}

.form-actions button {
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 4px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s;
}

#test-connection {
    background-color: #f0f0f0;
    color: #333;
}

#test-connection:hover {
    background-color: #e0e0e0;
}

#search-files, #load-selected-files {
    background-color: #3b7ddd;
    color: white;
}

#search-files:hover, #load-selected-files:hover {
    background-color: #2e63b8;
}

#cancel-search {
    background-color: #f0f0f0;
    color: #333;
}

#cancel-search:hover {
    background-color: #e0e0e0;
}

#connection-status {
    margin-top: 1rem;
    padding: 0.5rem;
    border-radius: 4px;
    display: none;
}

#connection-status.success {
    background-color: #d4edda;
    color: #155724;
    display: block;
}

#connection-status.error {
    background-color: #f8d7da;
    color: #721c24;
    display: block;
}

.loader {
    border: 3px solid #f3f3f3;
    border-top: 3px solid #3b7ddd;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    animation: spin 1s linear infinite;
    margin: 10px auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.search-status {
    text-align: center;
    margin-bottom: 1rem;
}

.file-list-container {
    max-height: 300px;
    overflow-y: auto;
    border: 1px solid #e0e0e0;
    border-radius: 4px;
    margin-top: 1rem;
}

.api-file-list {
    padding: 0.5rem;
}

.api-file-item {
    display: flex;
    align-items: center;
    padding: 0.5rem;
    border-bottom: 1px solid #f0f0f0;
}

.api-file-item:last-child {
    border-bottom: none;
}

.api-file-checkbox {
    margin-right: 0.8rem;
}

.api-file-name {
    flex-grow: 1;
}

.api-file-path {
    font-size: 0.8rem;
    color: #888;
    margin-left: 1.5rem;
}

.content {
    display: flex;
    flex-grow: 1;
    overflow: hidden;
}

.sidebar {
    width: 320px;
    background-color: white;
    border-right: 1px solid #e0e0e0;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.map-controls {
    padding: 1rem;
    border-bottom: 1px solid #e0e0e0;
}

.map-controls h3 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.map-sources {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.map-source-btn {
    padding: 0.4rem 0.8rem;
    background-color: #f0f0f0;
    border: 1px solid #ddd;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.2s;
}

.map-source-btn:hover {
    background-color: #e0e0e0;
}

.map-source-btn.active {
    background-color: #3b7ddd;
    color: white;
    border-color: #3b7ddd;
}

.track-list-container {
    padding: 1rem;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    flex-grow: 1;
}

.track-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.track-header h3 {
    font-size: 1rem;
    margin: 0;
}

.track-buttons {
    display: flex;
    gap: 0.5rem;
}

.track-btn {
    padding: 0.3rem 0.5rem;
    background-color: #f0f0f0;
    border: 1px solid #ddd;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.8rem;
    transition: all 0.2s;
}

.track-btn:hover {
    background-color: #e0e0e0;
}

.track-list {
    overflow-y: auto;
    flex-grow: 1;
}

.no-tracks-message {
    color: #888;
    font-style: italic;
    padding: 1rem 0;
}

.loading {
    color: #3b7ddd;
    padding: 1rem 0;
}

.error-message {
    color: #e74c3c;
    padding: 1rem 0;
}

.track-item {
    display: flex;
    padding: 0.8rem;
    border-bottom: 1px solid #e0e0e0;
    cursor: pointer;
    transition: background-color 0.2s;
}

.track-item:hover {
    background-color: #f5f5f5;
}

.track-item.selected {
    background-color: #e3f2fd;
}

.track-toggle {
    margin-right: 0.8rem;
    display: flex;
    align-items: center;
}

.track-toggle input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
}

.track-info {
    flex-grow: 1;
}

.remove-track-btn {
    background: none;
    border: none;
    color: #999;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    padding: 0 5px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s;
}

.remove-track-btn:hover {
    color: #e74c3c;
}

.track-name {
    font-weight: 500;
    margin-bottom: 0.2rem;
}

.track-filename {
    font-size: 0.8rem;
    color: #777;
}

.main-content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

#map {
    flex-grow: 1;
    width: 100%;
    background-color: #eee;
}

.track-details {
    background-color: white;
    padding: 1rem;
    border-top: 1px solid #e0e0e0;
    height: auto;
    overflow-y: auto; /* Add scrollbar when needed */
}

.track-details h3 {
    font-size: 1.1rem;
    margin-bottom: 0.8rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    padding: 0.5rem;
    background-color: #f9f9f9;
    border-radius: 4px;
    transition: background-color 0.2s;
}

.track-details h3:hover {
    background-color: #f0f0f0;
}

.toggle-indicator::after {
    content: "▼";
    font-size: 0.8rem;
    margin-left: 0.5rem;
    transition: transform 0.3s;
    display: inline-block;
}

.track-details.collapsed .toggle-indicator::after {
    transform: rotate(-90deg);
}

.stats-content {
    transition: all 0.3s ease;
    overflow: visible;
    opacity: 1;
    padding-top: 0.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.track-details.collapsed .stats-content {
    height: 0;
    padding-top: 0;
    padding-bottom: 0;
    margin-top: 0;
    margin-bottom: 0;
    opacity: 0;
    pointer-events: none;
    overflow: hidden;
}

.track-details.collapsed {
    max-height: min-content;
    height: auto;
    padding-bottom: 0.5rem;
    overflow: hidden;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    flex-shrink: 0; /* Prevent grid from shrinking */
}

.stat-item {
    background-color: #f9f9f9;
    border-radius: 4px;
    padding: 0.8rem;
}

.stat-label {
    font-size: 0.8rem;
    color: #666;
    margin-bottom: 0.3rem;
}

.stat-value {
    font-weight: 500;
}

/* Altitude Chart */
.altitude-container {
    border-top: 1px solid #e0e0e0;
    padding-top: 1rem;
    flex-grow: 1;
    min-height: 240px; /* Minimum height for the altitude section */
    display: flex;
    flex-direction: column;
}

.altitude-container h4 {
    margin-bottom: 0.8rem;
    font-size: 1rem;
    font-weight: 500;
}

.altitude-chart-container {
    width: 100%;
    height: 200px;
    background-color: #f9f9f9;
    border-radius: 4px;
    padding: 10px;
    position: relative;
    box-sizing: border-box;
    flex-grow: 1; /* Allow chart to grow and fill available space */
}

#altitude-chart {
    width: 100% !important;
    height: 100% !important;
}

.altitude-crosshair {
    position: absolute;
    width: 1px;
    background-color: rgba(59, 125, 221, 0.9);
    height: 100%;
    display: none;
    pointer-events: none;
    top: 0;
    z-index: 10;
    box-shadow: 0px 0px 3px rgba(0, 0, 0, 0.5);
}

.altitude-tooltip {
    position: absolute;
    background-color: rgba(0, 0, 0, 0.85);
    color: white;
    padding: 8px 12px;
    border-radius: 4px;
    font-size: 13px;
    box-shadow: 0px 2px 5px rgba(0, 0, 0, 0.3);
    z-index: 100;
    pointer-events: none;
    white-space: nowrap;
    border: 1px solid rgba(255, 255, 255, 0.2);
    opacity: 1;
    transition: opacity 0.2s ease-in-out;
    backdrop-filter: blur(3px);
    min-width: 120px;
}

.altitude-tooltip div {
    margin: 3px 0;
    font-weight: normal;
}

.altitude-hover-point {
    position: absolute;
    width: 10px;
    height: 10px;
    background-color: #ff4500;
    border: 2px solid white;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
    display: none;
    z-index: 20;
    box-shadow: 0px 0px 6px rgba(0, 0, 0, 0.8);
    animation: point-pulse 1.5s infinite;
    transition: transform 0.1s ease;
}

@keyframes point-pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(255, 69, 0, 0.7);
    }
    70% {
        box-shadow: 0 0 0 6px rgba(255, 69, 0, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(255, 69, 0, 0);
    }
}

/* Pulsing effect for map marker */
@keyframes pulse-animation {
    0% { 
        box-shadow: 0 0 0 0 rgba(255, 69, 0, 0.7); 
        opacity: 1;
    }
    70% { 
        box-shadow: 0 0 0 10px rgba(255, 69, 0, 0);
        opacity: 0.8;
    }
    100% { 
        box-shadow: 0 0 0 0 rgba(255, 69, 0, 0);
        opacity: 1;
    }
}

@keyframes point-pulse {
    0% { 
        transform: translate(-50%, -50%) scale(1);
        box-shadow: 0 0 0 0 rgba(255, 69, 0, 0.5);
    }
    50% { 
        transform: translate(-50%, -50%) scale(1.2);
        box-shadow: 0 0 0 4px rgba(255, 69, 0, 0.1);
    }
    100% { 
        transform: translate(-50%, -50%) scale(1);
        box-shadow: 0 0 0 0 rgba(255, 69, 0, 0);
    }
}

.position-marker-pulse circle {
    animation: pulse-animation 1.5s infinite;
    transform-origin: center;
}

/* File Drop Overlay */
.drop-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(59, 125, 221, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    visibility: hidden;
    opacity: 0;
    transition: visibility 0s linear 0.2s, opacity 0.2s;
}

.drop-overlay.active {
    visibility: visible;
    opacity: 1;
    transition-delay: 0s;
}

.drop-message {
    background-color: white;
    padding: 2rem;
    border-radius: 8px;
    font-size: 1.5rem;
    font-weight: 500;
    color: #3b7ddd;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .content {
        flex-direction: column;
    }
    
    .sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid #e0e0e0;
        max-height: 30%;
    }
    
    .track-list-container {
        overflow-y: auto;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Large screen optimization */
@media (min-height: 900px) {
    
    .altitude-chart-container {
        height: 240px; /* Larger chart on bigger screens */
    }
}