/* Custom FontAwesome SVG Icons */

/* Base icon class */
.icon {
    display: inline-block;
    width: 1em;
    height: 1em;
    vertical-align: middle;
    /* Use currentColor to inherit text color */
    background-color: currentColor;
    /* Mask properties for SVG icons - consolidated to prevent repetition */
    -webkit-mask: var(--icon-mask) no-repeat center;
    -webkit-mask-size: contain;
    mask: var(--icon-mask) no-repeat center;
    mask-size: contain;
}

/* Individual icon classes */
.icon-building { --icon-mask: url('../img/icons/building.svg'); }
.icon-parking { --icon-mask: url('../img/icons/parking.svg'); }
.icon-bus-simple { --icon-mask: url('../img/icons/bus-simple.svg'); }
.icon-route { --icon-mask: url('../img/icons/route.svg'); }
.icon-bolt { --icon-mask: url('../img/icons/bolt.svg'); }
.icon-arrow-left { --icon-mask: url('../img/icons/arrow-left.svg'); }
.icon-map-pin { --icon-mask: url('../img/icons/map-pin.svg'); }
.icon-message { --icon-mask: url('../img/icons/message.svg'); }
.icon-clock { --icon-mask: url('../img/icons/clock.svg'); }
.icon-share-nodes { --icon-mask: url('../img/icons/share-nodes.svg'); }
.icon-star { --icon-mask: url('../img/icons/star-regular.svg'); }
.icon-star-solid { --icon-mask: url('../img/icons/star-solid.svg'); }
.icon-phone { --icon-mask: url('../img/icons/phone.svg'); }
.icon-person-walking { --icon-mask: url('../img/icons/person-walking.svg'); }
.icon-diamond-turn-right { --icon-mask: url('../img/icons/diamond-turn-right.svg'); }
.icon-location-dot { --icon-mask: url('../img/icons/location-dot.svg'); }
.icon-bus { --icon-mask: url('../img/icons/bus.svg'); }
.icon-arrow-up { --icon-mask: url('../img/icons/arrow-up.svg'); }
.icon-arrow-right-arrow-left { --icon-mask: url('../img/icons/arrow-right-arrow-left.svg'); }
.icon-location-pin { --icon-mask: url('../img/icons/location-pin.svg'); }
.icon-clock-rotate-left { --icon-mask: url('../img/icons/clock-rotate-left.svg'); }
.icon-rocket { --icon-mask: url('../img/icons/rocket.svg'); }
.icon-fire-flame-curved { --icon-mask: url('../img/icons/fire-flame-curved.svg'); }
.icon-earth-americas { --icon-mask: url('../img/icons/earth-americas.svg'); }
.icon-comments { --icon-mask: url('../img/icons/comments.svg'); }
.icon-search { --icon-mask: url('../img/icons/search.svg'); }
.icon-bahai { --icon-mask: url('../img/icons/bahai.svg'); }
.icon-location-arrow { --icon-mask: url('../img/icons/location-arrow.svg'); }
.icon-location-crosshairs { --icon-mask: url('../img/icons/location-crosshairs.svg'); }
.icon-gear { --icon-mask: url('../img/icons/gear.svg'); }
.icon-filter { --icon-mask: url('../img/icons/filter.svg'); }
.icon-rotate-right { --icon-mask: url('../img/icons/rotate-right.svg'); }

/* Size variations */
.icon-sm { width: 0.8em; height: 0.8em; }
.icon-lg { width: 1.2em; height: 1.2em; }
.icon-xl { width: 1.5em; height: 1.5em; }
.icon-2x { width: 2em; height: 2em; }