:root {
    --font-family: 'Inter', sans-serif;

    /* Light Mode */
    --bg-color: #f4f7f9;
    --text-color: #1a1a1a;
    --header-color: #333;
    --card-bg-color: #ffffff;
    --card-border-color: #e0e0e0;
    --accent-color: #3498db;
    --slider-bg-color: #ccc;

    /* Dark Mode */
    --dark-bg-color: #1a1a1a;
    --dark-text-color: #f4f7f9;
    --dark-header-color: #eee;
    --dark-card-bg-color: #2c2c2c;
    --dark-card-border-color: #444;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 20px;
    transition: background-color 0.3s, color 0.3s;
}

body.dark-mode {
    --bg-color: var(--dark-bg-color);
    --text-color: var(--dark-text-color);
    --header-color: var(--dark-header-color);
    --card-bg-color: var(--dark-card-bg-color);
    --card-border-color: var(--dark-card-border-color);
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

h1 {
    color: var(--header-color);
    margin: 0;
}

main {
    max-width: 1200px;
    margin: 0 auto;
}

.summary-container {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 40px;
}

.summary-bubble {
    background-color: var(--card-bg-color);
    border: 1px solid var(--card-border-color);
    border-radius: 15px;
    padding: 20px;
    text-align: center;
    flex-grow: 1;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.summary-bubble:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.1);
}

.summary-bubble .label {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-color);
    opacity: 0.7;
}

.summary-bubble .value {
    font-size: 28px;
    font-weight: 700;
    color: var(--accent-color);
    margin-top: 8px;
}

#charts-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
}

.chart-container {
    background-color: var(--card-bg-color);
    border: 1px solid var(--card-border-color);
    border-radius: 15px;
    padding: 20px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.chart-header {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
}

.chart-wrapper {
    position: relative;
    height: 400px;
}

.nested-chart-controls {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 10px;
    margin-bottom: 20px;
}

.nested-chart-controls label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 14px;
}

.nested-chart-controls-header {
    display: flex;
    gap: 10px;
    margin-bottom: 10px;
}

.nested-chart-controls-header button {
    background-color: var(--accent-color);
    color: white;
    border: none;
    padding: 5px 10px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 12px;
    transition: background-color 0.3s;
}

.nested-chart-controls-header button:hover {
    opacity: 0.8;
}

/* Theme Switcher */
.theme-switcher-container {
    display: flex;
    align-items: center;
}

.theme-switcher {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 28px;
}

.theme-switcher input { 
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--slider-bg-color);
    transition: .4s;
    border-radius: 28px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
}

input:checked + .slider {
    background-color: var(--accent-color);
}

input:checked + .slider:before {
    transform: translateX(22px);
}

/* Search Page Specific Styles */
#search {
    width: 300px;
    padding: 10px;
    font-size: 16px;
    border: 1px solid var(--card-border-color);
    border-radius: 4px;
    background-color: var(--card-bg-color);
    color: var(--text-color);
}
#results {
    max-height: 300px;
    overflow-y: auto;
    border: 1px solid var(--card-border-color);
    margin-top: 10px;
    border-radius: 4px;
    background-color: var(--card-bg-color);
}
.result-item {
    padding: 10px;
    cursor: pointer;
    border-bottom: 1px solid var(--card-border-color);
}
.result-item:hover {
    background: var(--bg-color);
}
.nick {
    font-size: 18px;
    font-weight: bold;
    color: var(--text-color);
}
.uid {
    font-size: 14px;
    color: var(--text-color);
    opacity: 0.7;
}