:root {
    --primary-color: #6a11cb;
    --secondary-color: #2575fc;
    --text-color: #e0e0e0;
    --bg-color: #121212;
    --surface-color: #1e1e1e;
    --card-bg-color: #2c2c2c;
    --shadow-color: rgba(0, 0, 0, 0.5);
    --font-family: 'Inter', sans-serif;
    --noise-texture: url('data:image/svg+xml,...'); /* Add a real SVG noise texture */
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    background-image: var(--noise-texture);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background-color: var(--surface-color);
    border-bottom: 1px solid #333;
}

h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: transparent;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    background-clip: text;
}

.controls {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.sort-options, #add-area-btn {
    background: var(--surface-color);
    border: 1px solid #333;
    color: var(--text-color);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 2px 5px var(--shadow-color);
}

.sort-options:hover, #add-area-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 10px var(--shadow-color), 0 0 20px var(--secondary-color);
}

main {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 2rem;
    padding: 2rem;
    container-type: inline-size;
}

.sidebar {
    background-color: var(--surface-color);
    padding: 1.5rem;
    border-radius: 12px;
    height: fit-content;
}

.sidebar h2 {
    margin-top: 0;
    border-bottom: 1px solid #333;
    padding-bottom: 0.5rem;
}

#tag-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.tag-filter {
    background-color: var(--card-bg-color);
    color: var(--text-color);
    border: 1px solid transparent;
    padding: 0.4rem 0.8rem;
    border-radius: 15px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.8rem;
}

.tag-filter:hover {
    background-color: var(--primary-color);
    border-color: var(--secondary-color);
}

.tag-filter.active {
    background-color: var(--secondary-color);
    font-weight: 600;
}

#areas-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

area-card {
    background: var(--card-bg-color);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 8px 32px var(--shadow-color);
    transition: all 0.3s ease;
    border: 1px solid #333;
}

area-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px var(--shadow-color), 0 0 30px var(--primary-color);
}

footer {
    padding: 2rem;
    text-align: center;
}

.modal {
    position: fixed;
    z-index: 100;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: var(--surface-color);
    padding: 2rem;
    border-radius: 12px;
    width: 90%;
    max-width: 500px;
    box-shadow: 0 10px 40px var(--shadow-color);
    position: relative;
}

.close-btn {
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Styles for grouped view */
.tag-group {
    margin-bottom: 2rem;
}

.tag-group h3 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--secondary-color);
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 0.5rem;
}

.areas-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}