.filter-button {
    background: var(--accent);
    color: white;
    border: none;
    border-radius: 50%;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    transition: var(--transition);
    box-shadow: var(--shadow-soft);
    z-index: 10;
    padding: 0; /* Add this */

}

.filter-button .material-icons-outlined {
    color: white;
    font-size: 24px;
    width: auto; /* Add this */
    height: auto; /* Add this */
    display: flex; /* Add this */
    align-items: center; /* Add this */
    justify-content: center; /* Add this */
}

.filter-button:hover {
    background: var(--primary);
    box-shadow: var(--shadow-hover);
}

.filter-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.filter-overlay.active {
    display: flex;
    opacity: 1;
}

.filter-container {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 2rem;
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-hover);
    transform: translateY(20px);
    transition: transform 0.3s ease;
}

.filter-overlay.active .filter-container {
    transform: translateY(0);
}

.filter-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.filter-header h2 {
    font-size: 1.4rem;
    color: var(--primary);
}

.close-filters {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--secondary);
    transition: var(--transition);
    padding: 0.5rem;
}

.close-filters:hover {
    color: var(--primary);
}

.sort-section {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: var(--background);
    border-radius: 8px;
}

.sort-select {
    padding: 0.8rem 1rem;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 6px;
    font-family: var(--font-family);
    font-size: 1.1rem;
    color: var(--primary);
    background: white;
    cursor: pointer;
    min-width: 120px;
}

.sort-direction {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--accent);
    transition: transform 0.3s ease;
    padding: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sort-direction.desc {
    transform: rotate(180deg);
}

.filter-section {
    margin-bottom: 1.5rem;
}

.filter-section h3 {
    margin-bottom: 0.8rem;
    color: var(--primary);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1.2rem;
}

.buildings-search {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 6px;
    margin-bottom: 0.8rem;
    font-family: var(--font-family);
    font-size: 1rem;
}

.multi-select {
    display: grid;
    gap: 0.5rem;
    max-height: 200px;
    overflow-y: auto;
    padding: 0.8rem;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 6px;
}

.select-all-btn {
    background: none;
    border: none;
    color: var(--accent);
    cursor: pointer;
    font-size: 0.9rem;
    padding: 0;
}

.select-all-btn:hover {
    text-decoration: underline;
}

.confidence-options {
    display: flex;
    justify-content: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--background);
    border-radius: 8px;
}

.confidence-option {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    cursor: pointer;
    padding: 0.8rem 1.2rem;
    border-radius: 6px;
    background: white;
    border: 1px solid rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    min-width: 50px;
    text-align: center;
    font-size: 1.1rem;
    user-select: none;
}

.confidence-option:hover {
    border-color: var(--accent);
}

.confidence-option input {
    display: none;
}

.confidence-option.selected {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}

.reset-filters {
    width: 100%;
    padding: 1rem;
    background: var(--background);
    border: none;
    border-radius: 6px;
    color: var(--secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: var(--transition);
    margin-top: 1.5rem;
    font-size: 1.1rem;
    font-family: var(--font-family);
}

.reset-filters:hover {
    background: var(--accent);
    color: white;
}

@media (max-width: 768px) {
    .filter-container {
        width: 95%;
        padding: 1.5rem;
    }

    .confidence-options {
        gap: 0.5rem;
    }
    
    .confidence-option {
        padding: 0.5rem 0.8rem;
        font-size: 0.9rem;
        min-width: 40px;
    }
}