:root {
    --primary-color: #4a90e2;
    --secondary-color: #f5f6fa;
    --text-color: #2c3e50;
    --border-color: #dcdde1;
    --success-color: #2ecc71;
    --error-color: #e74c3c;
    --card-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: #f0f2f5;
    padding: 20px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: 20px;
    height: calc(100vh - 40px);
}

/* Sidebar Styling */
.sidebar {
    background: white;
    padding: 20px;
    border-radius: 12px;
    box-shadow: var(--card-shadow);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

h1 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: var(--primary-color);
    font-weight: 700;
}

.input-group {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    font-size: 0.9rem;
}

textarea {
    width: 100%;
    height: 150px;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-family: inherit;
    font-size: 0.9rem;
    resize: vertical;
    transition: border-color 0.3s;
}

textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.helper-text {
    font-size: 0.8rem;
    color: #7f8c8d;
    margin-top: 5px;
}

button {
    width: 100%;
    padding: 12px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.1s;
}

button:hover {
    background-color: #357abd;
}

button:active {
    transform: scale(0.98);
}

button:disabled {
    background-color: #bdc3c7;
    cursor: not-allowed;
}

/* Status Log */
.status-log {
    margin-top: 20px;
    padding: 15px;
    background-color: var(--secondary-color);
    border-radius: 8px;
    font-size: 0.85rem;
    max-height: 200px;
    overflow-y: auto;
    border: 1px solid var(--border-color);
}

.log-entry {
    margin-bottom: 5px;
    padding-bottom: 5px;
    border-bottom: 1px solid #eee;
}

.log-entry:last-child {
    border-bottom: none;
}

.log-entry.error {
    color: var(--error-color);
}

.log-entry.success {
    color: var(--success-color);
}

/* Map Container */
.map-container {
    background: white;
    border-radius: 12px;
    box-shadow: var(--card-shadow);
    overflow: hidden;
    position: relative;
    min-height: 500px;
}

#map {
    width: 100%;
    height: 100%;
    z-index: 1;
}

/* Result Actions */
.result-actions {
    margin-top: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.google-maps-btn {
    background-color: var(--success-color);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-decoration: none;
    text-align: center;
}

.google-maps-btn:hover {
    background-color: #27ae60;
}

/* Loading Overlay */
.loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    display: none;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        grid-template-columns: 1fr;
        height: auto;
    }
    
    .map-container {
        height: 400px;
    }
}