@import url('https://fonts.googleapis.com/css2?family=Quicksand:wght@400;600&display=swap');

:root {
    --primary-color: #2E7D32; /* Green theme */
    --secondary-color: #1B5E20;
    --background-color: #F9F9F9;
    --text-color: #333;
    --heading-color: #1B5E20;
    --card-bg: #FFFFFF;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --border-radius: 12px;
    --transition-speed: 0.3s;
}

/* Light/Dark Theme */
.dark-theme {
    --background-color: #121212;
    --text-color: #E0E0E0;
    --heading-color: #A5D6A7;
    --card-bg: #1E1E1E;
    --shadow-color: rgba(255, 255, 255, 0.1);
}

body {
    font-family: 'Quicksand', sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    margin: 0;
    padding: 40px;
    line-height: 1.6;
    transition: background-color var(--transition-speed), color var(--transition-speed);
}

/* Container */
.container {
    max-width: 1100px;
    margin: auto;
    padding: 20px;
}

/* Headings */
h1, h2 {
    color: var(--heading-color);
    text-align: center;
    font-weight: 600;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

h2 {
    font-size: 1.8rem;
    margin-top: 30px;
}

/* Sections */
section {
    background: var(--card-bg);
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 8px var(--shadow-color);
    margin-bottom: 20px;
    transition: transform var(--transition-speed);
}

section:hover {
    transform: scale(1.02);
}

/* Interactive Map Containers */
.plot-container {
    text-align: center;
    margin-top: 20px;
}

iframe {
    width: 100%;
    height: 500px;
    border-radius: var(--border-radius);
    border: none;
}

/* Images */
img {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 8px var(--shadow-color);
}

/* Dark Mode Toggle */
.theme-switch {
    display: flex;
    justify-content: center;
    margin: 20px 0;
}

.toggle-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: var(--border-radius);
    font-size: 16px;
    cursor: pointer;
    transition: background-color var(--transition-speed);
}

.toggle-btn:hover {
    background: var(--secondary-color);
}

#loading-screen {
    position: fixed;
    width: 100%;
    height: 100%;
    background-color: white;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.loading-logo {
    width: 120px; /* Adjust size as needed */
    height: auto;
    margin-bottom: 20px;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #4CAF50;
    border-top: 4px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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