/*
 * yui_icons.css
 * Custom icon set — replaces FontAwesome for this app.
 * Usage: <i class="yi-bars">  (same pattern as FA, without style prefix class)
 * Color: inherits currentColor from parent via CSS mask.
 */

[class^="yi-"]::before,
[class*=" yi-"]::before {
    display: inline-block;
    content: '';
    width: 1em;
    height: 1em;
    background-color: currentColor;
    -webkit-mask-repeat: no-repeat;
    mask-repeat: no-repeat;
    -webkit-mask-position: center;
    mask-position: center;
    -webkit-mask-size: contain;
    mask-size: contain;
    vertical-align: -0.125em;
}

/* --- Solid icons --- */
.yi-arrows-rotate::before {
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 512 512'%3E%3Cpath d='M65.9 228.5c13.3-93 93.4-164.5 190.1-164.5 53 0 101 21.5 135.8 56.2 .2 .2 .4 .4 .6 .6l7.6 7.2-47.9 0c-17.7 0-32 14.3-32 32s14.3 32 32 32l128 0c17.7 0 32-14.3 32-32l0-128c0-17.7-14.3-32-32-32s-32 14.3-32 32l0 53.4-11.3-10.7C390.5 28.6 326.5 0 256 0 127 0 20.3 95.4 2.6 219.5 .1 237 12.2 253.2 29.7 255.7s33.7-9.7 36.2-27.1zm443.5 64c2.5-17.5-9.7-33.7-27.1-36.2s-33.7 9.7-36.2 27.1c-13.3 93-93.4 164.5-190.1 164.5-53 0-101-21.5-135.8-56.2-.2-.2-.4-.4-.6-.6l-7.6-7.2 47.9 0c17.7 0 32-14.3 32-32s-14.3-32-32-32L32 320c-8.5 0-16.7 3.4-22.7 9.5S-.1 343.7 0 352.3l1 127c.1 17.7 14.6 31.9 32.3 31.7S65.2 496.4 65 478.7l-.4-51.5 10.7 10.1c46.3 46.1 110.2 74.7 180.7 74.7 129 0 235.7-95.4 253.4-219.5z'/%3E%3C/svg%3E");
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 512 512'%3E%3Cpath d='M65.9 228.5c13.3-93 93.4-164.5 190.1-164.5 53 0 101 21.5 135.8 56.2 .2 .2 .4 .4 .6 .6l7.6 7.2-47.9 0c-17.7 0-32 14.3-32 32s14.3 32 32 32l128 0c17.7 0 32-14.3 32-32l0-128c0-17.7-14.3-32-32-32s-32 14.3-32 32l0 53.4-11.3-10.7C390.5 28.6 326.5 0 256 0 127 0 20.3 95.4 2.6 219.5 .1 237 12.2 253.2 29.7 255.7s33.7-9.7 36.2-27.1zm443.5 64c2.5-17.5-9.7-33.7-27.1-36.2s-33.7 9.7-36.2 27.1c-13.3 93-93.4 164.5-190.1 164.5-53 0-101-21.5-135.8-56.2-.2-.2-.4-.4-.6-.6l-7.6-7.2 47.9 0c17.7 0 32-14.3 32-32s-14.3-32-32-32L32 320c-8.5 0-16.7 3.4-22.7 9.5S-.1 343.7 0 352.3l1 127c.1 17.7 14.6 31.9 32.3 31.7S65.2 496.4 65 478.7l-.4-51.5 10.7 10.1c46.3 46.1 110.2 74.7 180.7 74.7 129 0 235.7-95.4 253.4-219.5z'/%3E%3C/svg%3E");
}

.yi-bars::before {
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 448 512'%3E%3Cpath d='M0 96C0 78.3 14.3 64 32 64l384 0c17.7 0 32 14.3 32 32s-14.3 32-32 32L32 128C14.3 128 0 113.7 0 96zM0 256c0-17.7 14.3-32 32-32l384 0c17.7 0 32 14.3 32 32s-14.3 32-32 32L32 288c-17.7 0-32-14.3-32-32zM448 416c0 17.7-14.3 32-32 32L32 448c-17.7 0-32-14.3-32-32s14.3-32 32-32l384 0c17.7 0 32 14.3 32 32z'/%3E%3C/svg%3E");
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 448 512'%3E%3Cpath d='M0 96C0 78.3 14.3 64 32 64l384 0c17.7 0 32 14.3 32 32s-14.3 32-32 32L32 128C14.3 128 0 113.7 0 96zM0 256c0-17.7 14.3-32 32-32l384 0c17.7 0 32 14.3 32 32s-14.3 32-32 32L32 288c-17.7 0-32-14.3-32-32zM448 416c0 17.7-14.3 32-32 32L32 448c-17.7 0-32-14.3-32-32s14.3-32 32-32l384 0c17.7 0 32 14.3 32 32z'/%3E%3C/svg%3E");
}

.yi-broom::before {
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 576 512'%3E%3Cpath d='M566.6 54.6c12.5-12.5 12.5-32.8 0-45.3s-32.8-12.5-45.3 0l-192 192-34.7-34.7c-4.2-4.2-10-6.6-16-6.6-12.5 0-22.6 10.1-22.6 22.6l0 29.1 108.3 108.3 29.1 0c12.5 0 22.6-10.1 22.6-22.6 0-6-2.4-11.8-6.6-16l-34.7-34.7 192-192zM341.1 353.4L222.6 234.9c-42.7-3.7-85.2 11.7-115.8 42.3l-8 8c-22.3 22.3-34.8 52.5-34.8 84 0 6.8 7.1 11.2 13.2 8.2l51.1-25.5c5-2.5 9.5 4.1 5.4 7.9L7.3 473.4C2.7 477.6 0 483.6 0 489.9 0 502.1 9.9 512 22.1 512l173.3 0c38.8 0 75.9-15.4 103.4-42.8 30.6-30.6 45.9-73.1 42.3-115.8z'/%3E%3C/svg%3E");
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 576 512'%3E%3Cpath d='M566.6 54.6c12.5-12.5 12.5-32.8 0-45.3s-32.8-12.5-45.3 0l-192 192-34.7-34.7c-4.2-4.2-10-6.6-16-6.6-12.5 0-22.6 10.1-22.6 22.6l0 29.1 108.3 108.3 29.1 0c12.5 0 22.6-10.1 22.6-22.6 0-6-2.4-11.8-6.6-16l-34.7-34.7 192-192zM341.1 353.4L222.6 234.9c-42.7-3.7-85.2 11.7-115.8 42.3l-8 8c-22.3 22.3-34.8 52.5-34.8 84 0 6.8 7.1 11.2 13.2 8.2l51.1-25.5c5-2.5 9.5 4.1 5.4 7.9L7.3 473.4C2.7 477.6 0 483.6 0 489.9 0 502.1 9.9 512 22.1 512l173.3 0c38.8 0 75.9-15.4 103.4-42.8 30.6-30.6 45.9-73.1 42.3-115.8z'/%3E%3C/svg%3E");
}

.yi-language::before {
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 576 512'%3E%3Cpath d='M160 0c17.7 0 32 14.3 32 32l0 32 128 0c17.7 0 32 14.3 32 32s-14.3 32-32 32l-9.6 0-8.4 23.1c-16.4 45.2-41.1 86.5-72.2 122 14.2 8.8 29 16.6 44.4 23.5l50.4 22.4 62.2-140c5.1-11.6 16.6-19 29.2-19s24.1 7.4 29.2 19l128 288c7.2 16.2-.1 35.1-16.2 42.2s-35.1-.1-42.2-16.2l-20-45-157.5 0-20 45c-7.2 16.2-26.1 23.4-42.2 16.2s-23.4-26.1-16.2-42.2l39.8-89.5-50.4-22.4c-23-10.2-45-22.4-65.8-36.4-21.3 17.2-44.6 32.2-69.5 44.7L78.3 380.6c-15.8 7.9-35 1.5-42.9-14.3s-1.5-35 14.3-42.9l34.5-17.3c16.3-8.2 31.8-17.7 46.4-28.3-13.8-12.7-26.8-26.4-38.9-40.9L81.6 224.7c-11.3-13.6-9.5-33.8 4.1-45.1s33.8-9.5 45.1 4.1l10.2 12.2c11.5 13.9 24.1 26.8 37.4 38.7 27.5-30.4 49.2-66.1 63.5-105.4l.5-1.2-210.3 0C14.3 128 0 113.7 0 96S14.3 64 32 64l96 0 0-32c0-17.7 14.3-32 32-32zM416 270.8L365.7 384 466.3 384 416 270.8z'/%3E%3C/svg%3E");
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 576 512'%3E%3Cpath d='M160 0c17.7 0 32 14.3 32 32l0 32 128 0c17.7 0 32 14.3 32 32s-14.3 32-32 32l-9.6 0-8.4 23.1c-16.4 45.2-41.1 86.5-72.2 122 14.2 8.8 29 16.6 44.4 23.5l50.4 22.4 62.2-140c5.1-11.6 16.6-19 29.2-19s24.1 7.4 29.2 19l128 288c7.2 16.2-.1 35.1-16.2 42.2s-35.1-.1-42.2-16.2l-20-45-157.5 0-20 45c-7.2 16.2-26.1 23.4-42.2 16.2s-23.4-26.1-16.2-42.2l39.8-89.5-50.4-22.4c-23-10.2-45-22.4-65.8-36.4-21.3 17.2-44.6 32.2-69.5 44.7L78.3 380.6c-15.8 7.9-35 1.5-42.9-14.3s-1.5-35 14.3-42.9l34.5-17.3c16.3-8.2 31.8-17.7 46.4-28.3-13.8-12.7-26.8-26.4-38.9-40.9L81.6 224.7c-11.3-13.6-9.5-33.8 4.1-45.1s33.8-9.5 45.1 4.1l10.2 12.2c11.5 13.9 24.1 26.8 37.4 38.7 27.5-30.4 49.2-66.1 63.5-105.4l.5-1.2-210.3 0C14.3 128 0 113.7 0 96S14.3 64 32 64l96 0 0-32c0-17.7 14.3-32 32-32zM416 270.8L365.7 384 466.3 384 416 270.8z'/%3E%3C/svg%3E");
}

.yi-location-crosshairs::before {
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 576 512'%3E%3Cpath d='M288-16c17.7 0 32 14.3 32 32l0 18.3c98.1 14 175.7 91.6 189.7 189.7l18.3 0c17.7 0 32 14.3 32 32s-14.3 32-32 32l-18.3 0c-14 98.1-91.6 175.7-189.7 189.7l0 18.3c0 17.7-14.3 32-32 32s-32-14.3-32-32l0-18.3C157.9 463.7 80.3 386.1 66.3 288L48 288c-17.7 0-32-14.3-32-32s14.3-32 32-32l18.3 0C80.3 125.9 157.9 48.3 256 34.3L256 16c0-17.7 14.3-32 32-32zM128 256a160 160 0 1 0 320 0 160 160 0 1 0 -320 0zm160-96a96 96 0 1 1 0 192 96 96 0 1 1 0-192z'/%3E%3C/svg%3E");
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 576 512'%3E%3Cpath d='M288-16c17.7 0 32 14.3 32 32l0 18.3c98.1 14 175.7 91.6 189.7 189.7l18.3 0c17.7 0 32 14.3 32 32s-14.3 32-32 32l-18.3 0c-14 98.1-91.6 175.7-189.7 189.7l0 18.3c0 17.7-14.3 32-32 32s-32-14.3-32-32l0-18.3C157.9 463.7 80.3 386.1 66.3 288L48 288c-17.7 0-32-14.3-32-32s14.3-32 32-32l18.3 0C80.3 125.9 157.9 48.3 256 34.3L256 16c0-17.7 14.3-32 32-32zM128 256a160 160 0 1 0 320 0 160 160 0 1 0 -320 0zm160-96a96 96 0 1 1 0 192 96 96 0 1 1 0-192z'/%3E%3C/svg%3E");
}

.yi-location-dot::before {
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 384 512'%3E%3Cpath d='M0 188.6C0 84.4 86 0 192 0S384 84.4 384 188.6c0 119.3-120.2 262.3-170.4 316.8-11.8 12.8-31.5 12.8-43.3 0-50.2-54.5-170.4-197.5-170.4-316.8zM192 256a64 64 0 1 0 0-128 64 64 0 1 0 0 128z'/%3E%3C/svg%3E");
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 384 512'%3E%3Cpath d='M0 188.6C0 84.4 86 0 192 0S384 84.4 384 188.6c0 119.3-120.2 262.3-170.4 316.8-11.8 12.8-31.5 12.8-43.3 0-50.2-54.5-170.4-197.5-170.4-316.8zM192 256a64 64 0 1 0 0-128 64 64 0 1 0 0 128z'/%3E%3C/svg%3E");
}

.yi-magnifying-glass::before {
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 512 512'%3E%3Cpath d='M416 208c0 45.9-14.9 88.3-40 122.7L502.6 457.4c12.5 12.5 12.5 32.8 0 45.3s-32.8 12.5-45.3 0L330.7 376C296.3 401.1 253.9 416 208 416 93.1 416 0 322.9 0 208S93.1 0 208 0 416 93.1 416 208zM208 352a144 144 0 1 0 0-288 144 144 0 1 0 0 288z'/%3E%3C/svg%3E");
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 512 512'%3E%3Cpath d='M416 208c0 45.9-14.9 88.3-40 122.7L502.6 457.4c12.5 12.5 12.5 32.8 0 45.3s-32.8 12.5-45.3 0L330.7 376C296.3 401.1 253.9 416 208 416 93.1 416 0 322.9 0 208S93.1 0 208 0 416 93.1 416 208zM208 352a144 144 0 1 0 0-288 144 144 0 1 0 0 288z'/%3E%3C/svg%3E");
}

.yi-magnifying-glass-plus::before {
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 512 512'%3E%3Cpath d='M416 208c0 45.9-14.9 88.3-40 122.7L502.6 457.4c12.5 12.5 12.5 32.8 0 45.3s-32.8 12.5-45.3 0L330.7 376C296.3 401.1 253.9 416 208 416 93.1 416 0 322.9 0 208S93.1 0 208 0 416 93.1 416 208zM208 112c-13.3 0-24 10.7-24 24l0 48-48 0c-13.3 0-24 10.7-24 24s10.7 24 24 24l48 0 0 48c0 13.3 10.7 24 24 24s24-10.7 24-24l0-48 48 0c13.3 0 24-10.7 24-24s-10.7-24-24-24l-48 0 0-48c0-13.3-10.7-24-24-24z'/%3E%3C/svg%3E");
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 512 512'%3E%3Cpath d='M416 208c0 45.9-14.9 88.3-40 122.7L502.6 457.4c12.5 12.5 12.5 32.8 0 45.3s-32.8 12.5-45.3 0L330.7 376C296.3 401.1 253.9 416 208 416 93.1 416 0 322.9 0 208S93.1 0 208 0 416 93.1 416 208zM208 112c-13.3 0-24 10.7-24 24l0 48-48 0c-13.3 0-24 10.7-24 24s10.7 24 24 24l48 0 0 48c0 13.3 10.7 24 24 24s24-10.7 24-24l0-48 48 0c13.3 0 24-10.7 24-24s-10.7-24-24-24l-48 0 0-48c0-13.3-10.7-24-24-24z'/%3E%3C/svg%3E");
}

.yi-magnifying-glass-minus::before {
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 512 512'%3E%3Cpath d='M416 208c0 45.9-14.9 88.3-40 122.7L502.6 457.4c12.5 12.5 12.5 32.8 0 45.3s-32.8 12.5-45.3 0L330.7 376C296.3 401.1 253.9 416 208 416 93.1 416 0 322.9 0 208S93.1 0 208 0 416 93.1 416 208zM136 184c-13.3 0-24 10.7-24 24s10.7 24 24 24l144 0c13.3 0 24-10.7 24-24s-10.7-24-24-24l-144 0z'/%3E%3C/svg%3E");
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 512 512'%3E%3Cpath d='M416 208c0 45.9-14.9 88.3-40 122.7L502.6 457.4c12.5 12.5 12.5 32.8 0 45.3s-32.8 12.5-45.3 0L330.7 376C296.3 401.1 253.9 416 208 416 93.1 416 0 322.9 0 208S93.1 0 208 0 416 93.1 416 208zM136 184c-13.3 0-24 10.7-24 24s10.7 24 24 24l144 0c13.3 0 24-10.7 24-24s-10.7-24-24-24l-144 0z'/%3E%3C/svg%3E");
}

.yi-moon::before {
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 512 512'%3E%3Cpath d='M256 0C114.6 0 0 114.6 0 256S114.6 512 256 512c68.8 0 131.3-27.2 177.3-71.4 7.3-7 9.4-17.9 5.3-27.1s-13.7-14.9-23.8-14.1c-4.9 .4-9.8 .6-14.8 .6-101.6 0-184-82.4-184-184 0-72.1 41.5-134.6 102.1-164.8 9.1-4.5 14.3-14.3 13.1-24.4S322.6 8.5 312.7 6.3C294.4 2.2 275.4 0 256 0z'/%3E%3C/svg%3E");
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 512 512'%3E%3Cpath d='M256 0C114.6 0 0 114.6 0 256S114.6 512 256 512c68.8 0 131.3-27.2 177.3-71.4 7.3-7 9.4-17.9 5.3-27.1s-13.7-14.9-23.8-14.1c-4.9 .4-9.8 .6-14.8 .6-101.6 0-184-82.4-184-184 0-72.1 41.5-134.6 102.1-164.8 9.1-4.5 14.3-14.3 13.1-24.4S322.6 8.5 312.7 6.3C294.4 2.2 275.4 0 256 0z'/%3E%3C/svg%3E");
}

.yi-pen::before {
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 512 512'%3E%3Cpath d='M352.9 21.2L308 66.1 445.9 204 490.8 159.1C504.4 145.6 512 127.2 512 108s-7.6-37.6-21.2-51.1L455.1 21.2C441.6 7.6 423.2 0 404 0s-37.6 7.6-51.1 21.2zM274.1 100L58.9 315.1c-10.7 10.7-18.5 24.1-22.6 38.7L.9 481.6c-2.3 8.3 0 17.3 6.2 23.4s15.1 8.5 23.4 6.2l127.8-35.5c14.6-4.1 27.9-11.8 38.7-22.6L412 237.9 274.1 100z'/%3E%3C/svg%3E");
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 512 512'%3E%3Cpath d='M352.9 21.2L308 66.1 445.9 204 490.8 159.1C504.4 145.6 512 127.2 512 108s-7.6-37.6-21.2-51.1L455.1 21.2C441.6 7.6 423.2 0 404 0s-37.6 7.6-51.1 21.2zM274.1 100L58.9 315.1c-10.7 10.7-18.5 24.1-22.6 38.7L.9 481.6c-2.3 8.3 0 17.3 6.2 23.4s15.1 8.5 23.4 6.2l127.8-35.5c14.6-4.1 27.9-11.8 38.7-22.6L412 237.9 274.1 100z'/%3E%3C/svg%3E");
}

.yi-plus::before {
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 448 512'%3E%3Cpath d='M256 64c0-17.7-14.3-32-32-32s-32 14.3-32 32l0 160-160 0c-17.7 0-32 14.3-32 32s14.3 32 32 32l160 0 0 160c0 17.7 14.3 32 32 32s32-14.3 32-32l0-160 160 0c17.7 0 32-14.3 32-32s-14.3-32-32-32l-160 0 0-160z'/%3E%3C/svg%3E");
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 448 512'%3E%3Cpath d='M256 64c0-17.7-14.3-32-32-32s-32 14.3-32 32l0 160-160 0c-17.7 0-32 14.3-32 32s14.3 32 32 32l160 0 0 160c0 17.7 14.3 32 32 32s32-14.3 32-32l0-160 160 0c17.7 0 32-14.3 32-32s-14.3-32-32-32l-160 0 0-160z'/%3E%3C/svg%3E");
}

/*  yi-plug / yi-plug-slash: hand-drawn masks (connect / disconnect).  */
.yi-plug::before {
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 384 512'%3E%3Crect x='64' y='0' width='64' height='168' rx='32'/%3E%3Crect x='256' y='0' width='64' height='168' rx='32'/%3E%3Cpath d='M32 128h320c17.7 0 32 14.3 32 32v48c0 88.4-71.6 160-160 160v112c0 17.7-14.3 32-32 32s-32-14.3-32-32V368C71.6 368 0 296.4 0 208v-48c0-17.7 14.3-32 32-32z'/%3E%3C/svg%3E");
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 384 512'%3E%3Crect x='64' y='0' width='64' height='168' rx='32'/%3E%3Crect x='256' y='0' width='64' height='168' rx='32'/%3E%3Cpath d='M32 128h320c17.7 0 32 14.3 32 32v48c0 88.4-71.6 160-160 160v112c0 17.7-14.3 32-32 32s-32-14.3-32-32V368C71.6 368 0 296.4 0 208v-48c0-17.7 14.3-32 32-32z'/%3E%3C/svg%3E");
}

.yi-plug-slash::before {
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}

.yi-question::before {
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}

.yi-sun::before {
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}

.yi-table::before {
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}

.yi-terminal::before {
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 576 512'%3E%3Cpath d='M9.4 86.6C-3.1 74.1-3.1 53.9 9.4 41.4s32.8-12.5 45.3 0l192 192c12.5 12.5 12.5 32.8 0 45.3l-192 192c-12.5 12.5-32.8 12.5-45.3 0s-12.5-32.8 0-45.3L178.7 256 9.4 86.6zM256 416l288 0c17.7 0 32 14.3 32 32s-14.3 32-32 32l-288 0c-17.7 0-32-14.3-32-32s14.3-32 32-32z'/%3E%3C/svg%3E");
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}

.yi-upload::before {
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}

.yi-user::before {
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 448 512'%3E%3Cpath d='M224 248a120 120 0 1 0 0-240 120 120 0 1 0 0 240zm-29.7 56C95.8 304 16 383.8 16 482.3 16 498.7 29.3 512 45.7 512l356.6 0c16.4 0 29.7-13.3 29.7-29.7 0-98.5-79.8-178.3-178.3-178.3l-59.4 0z'/%3E%3C/svg%3E");
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}

.yi-xmark::before {
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 384 512'%3E%3Cpath d='M55.1 73.4c-12.5-12.5-32.8-12.5-45.3 0s-12.5 32.8 0 45.3L147.2 256 9.9 393.4c-12.5 12.5-12.5 32.8 0 45.3s32.8 12.5 45.3 0L192.5 301.3 329.9 438.6c12.5 12.5 32.8 12.5 45.3 0s12.5-32.8 0-45.3L237.8 256 375.1 118.6c12.5-12.5 12.5-32.8 0-45.3s-32.8-12.5-45.3 0L192.5 210.7 55.1 73.4z'/%3E%3C/svg%3E");
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}

/* --- Regular icons --- */
.yi-square::before {
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}

.yi-check::before {
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 448 512'%3E%3Cpath d='M438.6 105.4c12.5 12.5 12.5 32.8 0 45.3l-256 256c-12.5 12.5-32.8 12.5-45.3 0l-128-128c-12.5-12.5-12.5-32.8 0-45.3s32.8-12.5 45.3 0L160 338.7 393.4 105.4c12.5-12.5 32.8-12.5 45.3 0z'/%3E%3C/svg%3E");
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}

.yi-square-check::before {
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}

/* --- Aliases --- */
/* broom-wide → broom (not in FA7 free) */
.yi-broom-wide::before {
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}
/* --- Additional icons --- */
.yi-arrows-to-eye::before {
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.yi-eye-slash::before {
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/*  The SCHEMA of a treedb -- its plan, as against the `hexagon-nodes`
 *  of the DATA graph. The two sat on the same glyph in the same
 *  toolbar, one button apart, and nothing but the label told them
 *  apart.  */
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.yi-lock::before {
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.yi-right-from-bracket::before {
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.yi-floppy-disk::before {
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.yi-square-js::before {
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/* --- Aliases for legacy FA5 names --- */
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.yi-link::before {
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    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 640 512'%3E%3Cpath d='M579.8 267.7c56.5-56.5 56.5-148 0-204.5c-50-50-128.8-56.5-186.3-15.4l-1.6 1.1c-14.4 10.3-17.7 30.3-7.4 44.6s30.3 17.7 44.6 7.4l1.6-1.1c32.1-22.9 76-19.3 103.8 8.6c31.5 31.5 31.5 82.5 0 114L422.3 334.8c-31.5 31.5-82.5 31.5-114 0c-27.9-27.9-31.5-71.8-8.6-103.8l1.1-1.6c10.3-14.4 6.9-34.4-7.4-44.6s-34.4-6.9-44.6 7.4l-1.1 1.6C206.5 251.2 213 330 263 380c56.5 56.5 148 56.5 204.5 0L579.8 267.7zM60.2 244.3c-56.5 56.5-56.5 148 0 204.5c50 50 128.8 56.5 186.3 15.4l1.6-1.1c14.4-10.3 17.7-30.3 7.4-44.6s-30.3-17.7-44.6-7.4l-1.6 1.1c-32.1 22.9-76 19.3-103.8-8.6C74 372 74 321 105.5 289.5L217.7 177.2c31.5-31.5 82.5-31.5 114 0c27.9 27.9 31.5 71.8 8.6 103.9l-1.1 1.6c-10.3 14.4-6.9 34.4 7.4 44.6s34.4 6.9 44.6-7.4l1.1-1.6C433.5 260.8 427 182 377 132c-56.5-56.5-148-56.5-204.5 0L60.2 244.3z'/%3E%3C/svg%3E");
}

/* --- Chevrons: date navigator (C_YUI_PERIOD), disclosure triangles --- */
.yi-chevron-down::before {
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 512 512'%3E%3Cpath d='M233.4 406.6c12.5 12.5 32.8 12.5 45.3 0l192-192c12.5-12.5 12.5-32.8 0-45.3s-32.8-12.5-45.3 0L256 338.7 86.6 169.4c-12.5-12.5-32.8-12.5-45.3 0s-12.5 32.8 0 45.3l192 192z'/%3E%3C/svg%3E");
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 512 512'%3E%3Cpath d='M233.4 406.6c12.5 12.5 32.8 12.5 45.3 0l192-192c12.5-12.5 12.5-32.8 0-45.3s-32.8-12.5-45.3 0L256 338.7 86.6 169.4c-12.5-12.5-32.8-12.5-45.3 0s-12.5 32.8 0 45.3l192 192z'/%3E%3C/svg%3E");
}

.yi-chevron-left::before {
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 320 512'%3E%3Cpath d='M9.4 233.4c-12.5 12.5-12.5 32.8 0 45.3l192 192c12.5 12.5 32.8 12.5 45.3 0s12.5-32.8 0-45.3L77.3 256 246.6 86.6c12.5-12.5 12.5-32.8 0-45.3s-32.8-12.5-45.3 0l-192 192z'/%3E%3C/svg%3E");
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 320 512'%3E%3Cpath d='M9.4 233.4c-12.5 12.5-12.5 32.8 0 45.3l192 192c12.5 12.5 32.8 12.5 45.3 0s12.5-32.8 0-45.3L77.3 256 246.6 86.6c12.5-12.5 12.5-32.8 0-45.3s-32.8-12.5-45.3 0l-192 192z'/%3E%3C/svg%3E");
}

.yi-chevron-right::before {
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 320 512'%3E%3Cpath d='M310.6 233.4c12.5 12.5 12.5 32.8 0 45.3l-192 192c-12.5 12.5-32.8 12.5-45.3 0s-12.5-32.8 0-45.3L242.7 256 73.4 86.6c-12.5-12.5-12.5-32.8 0-45.3s32.8-12.5 45.3 0l192 192z'/%3E%3C/svg%3E");
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 320 512'%3E%3Cpath d='M310.6 233.4c12.5 12.5 12.5 32.8 0 45.3l-192 192c-12.5 12.5-32.8 12.5-45.3 0s-12.5-32.8 0-45.3L242.7 256 73.4 86.6c-12.5-12.5-12.5-32.8 0-45.3s32.8-12.5 45.3 0l192 192z'/%3E%3C/svg%3E");
}

.yi-chevron-up::before {
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 512 512'%3E%3Cpath d='M233.4 105.4c12.5-12.5 32.8-12.5 45.3 0l192 192c12.5 12.5 12.5 32.8 0 45.3s-32.8 12.5-45.3 0L256 173.3 86.6 342.6c-12.5 12.5-32.8 12.5-45.3 0s-12.5-32.8 0-45.3l192-192z'/%3E%3C/svg%3E");
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 512 512'%3E%3Cpath d='M233.4 105.4c12.5-12.5 32.8-12.5 45.3 0l192 192c12.5 12.5 12.5 32.8 0 45.3s-32.8 12.5-45.3 0L256 173.3 86.6 342.6c-12.5 12.5-32.8 12.5-45.3 0s-12.5-32.8 0-45.3l192-192z'/%3E%3C/svg%3E");
}

.yi-forward-step::before {
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 320 512'%3E%3Cpath d='M52.5 440.6c-9.5 7.9-22.8 9.7-34.1 4.4S0 428.4 0 416L0 96C0 83.6 7.2 72.3 18.4 67s24.5-3.6 34.1 4.4l192 160L256 241l0-145c0-17.7 14.3-32 32-32s32 14.3 32 32l0 320c0 17.7-14.3 32-32 32s-32-14.3-32-32l0-145-11.5 9.6-192 160z'/%3E%3C/svg%3E");
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 320 512'%3E%3Cpath d='M52.5 440.6c-9.5 7.9-22.8 9.7-34.1 4.4S0 428.4 0 416L0 96C0 83.6 7.2 72.3 18.4 67s24.5-3.6 34.1 4.4l192 160L256 241l0-145c0-17.7 14.3-32 32-32s32 14.3 32 32l0 320c0 17.7-14.3 32-32 32s-32-14.3-32-32l0-145-11.5 9.6-192 160z'/%3E%3C/svg%3E");
}

.yi-calendar-days::before {
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 448 512'%3E%3Cpath d='M128 0c17.7 0 32 14.3 32 32l0 32 128 0 0-32c0-17.7 14.3-32 32-32s32 14.3 32 32l0 32 48 0c26.5 0 48 21.5 48 48l0 48L0 160l0-48C0 85.5 21.5 64 48 64l48 0 0-32c0-17.7 14.3-32 32-32zM0 192l448 0 0 272c0 26.5-21.5 48-48 48L48 512c-26.5 0-48-21.5-48-48L0 192zm64 80l0 32c0 8.8 7.2 16 16 16l32 0c8.8 0 16-7.2 16-16l0-32c0-8.8-7.2-16-16-16l-32 0c-8.8 0-16 7.2-16 16zm128 0l0 32c0 8.8 7.2 16 16 16l32 0c8.8 0 16-7.2 16-16l0-32c0-8.8-7.2-16-16-16l-32 0c-8.8 0-16 7.2-16 16zm144-16c-8.8 0-16 7.2-16 16l0 32c0 8.8 7.2 16 16 16l32 0c8.8 0 16-7.2 16-16l0-32c0-8.8-7.2-16-16-16l-32 0zM64 400l0 32c0 8.8 7.2 16 16 16l32 0c8.8 0 16-7.2 16-16l0-32c0-8.8-7.2-16-16-16l-32 0c-8.8 0-16 7.2-16 16zm144-16c-8.8 0-16 7.2-16 16l0 32c0 8.8 7.2 16 16 16l32 0c8.8 0 16-7.2 16-16l0-32c0-8.8-7.2-16-16-16l-32 0zm112 16l0 32c0 8.8 7.2 16 16 16l32 0c8.8 0 16-7.2 16-16l0-32c0-8.8-7.2-16-16-16l-32 0c-8.8 0-16 7.2-16 16z'/%3E%3C/svg%3E");
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 448 512'%3E%3Cpath d='M128 0c17.7 0 32 14.3 32 32l0 32 128 0 0-32c0-17.7 14.3-32 32-32s32 14.3 32 32l0 32 48 0c26.5 0 48 21.5 48 48l0 48L0 160l0-48C0 85.5 21.5 64 48 64l48 0 0-32c0-17.7 14.3-32 32-32zM0 192l448 0 0 272c0 26.5-21.5 48-48 48L48 512c-26.5 0-48-21.5-48-48L0 192zm64 80l0 32c0 8.8 7.2 16 16 16l32 0c8.8 0 16-7.2 16-16l0-32c0-8.8-7.2-16-16-16l-32 0c-8.8 0-16 7.2-16 16zm128 0l0 32c0 8.8 7.2 16 16 16l32 0c8.8 0 16-7.2 16-16l0-32c0-8.8-7.2-16-16-16l-32 0c-8.8 0-16 7.2-16 16zm144-16c-8.8 0-16 7.2-16 16l0 32c0 8.8 7.2 16 16 16l32 0c8.8 0 16-7.2 16-16l0-32c0-8.8-7.2-16-16-16l-32 0zM64 400l0 32c0 8.8 7.2 16 16 16l32 0c8.8 0 16-7.2 16-16l0-32c0-8.8-7.2-16-16-16l-32 0c-8.8 0-16 7.2-16 16zm144-16c-8.8 0-16 7.2-16 16l0 32c0 8.8 7.2 16 16 16l32 0c8.8 0 16-7.2 16-16l0-32c0-8.8-7.2-16-16-16l-32 0zm112 16l0 32c0 8.8 7.2 16 16 16l32 0c8.8 0 16-7.2 16-16l0-32c0-8.8-7.2-16-16-16l-32 0c-8.8 0-16 7.2-16 16z'/%3E%3C/svg%3E");
}

.yi-ellipsis::before {
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 448 512'%3E%3Cpath d='M8 256a56 56 0 1 1 112 0A56 56 0 1 1 8 256zm160 0a56 56 0 1 1 112 0 56 56 0 1 1 -112 0zm216-56a56 56 0 1 1 0 112 56 56 0 1 1 0-112z'/%3E%3C/svg%3E");
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 448 512'%3E%3Cpath d='M8 256a56 56 0 1 1 112 0A56 56 0 1 1 8 256zm160 0a56 56 0 1 1 112 0 56 56 0 1 1 -112 0zm216-56a56 56 0 1 1 0 112 56 56 0 1 1 0-112z'/%3E%3C/svg%3E");
}

.yi-backward-step::before {
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 320 512'%3E%3Cpath d='M267.5 440.6c9.5 7.9 22.8 9.7 34.1 4.4s18.4-16.6 18.4-29l0-320c0-12.4-7.2-23.7-18.4-29s-24.5-3.6-34.1 4.4l-192 160L64 241l0-145c0-17.7-14.3-32-32-32S0 78.3 0 96L0 416c0 17.7 14.3 32 32 32s32-14.3 32-32l0-145 11.5 9.6 192 160z'/%3E%3C/svg%3E");
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 320 512'%3E%3Cpath d='M267.5 440.6c9.5 7.9 22.8 9.7 34.1 4.4s18.4-16.6 18.4-29l0-320c0-12.4-7.2-23.7-18.4-29s-24.5-3.6-34.1 4.4l-192 160L64 241l0-145c0-17.7-14.3-32-32-32S0 78.3 0 96L0 416c0 17.7 14.3 32 32 32s32-14.3 32-32l0-145 11.5 9.6 192 160z'/%3E%3C/svg%3E");
}

/*  yi-bolt / yi-droplet: hand-drawn masks.  Added for the node-tree
 *  demo, but they earn their place in the set on their own: energy and
 *  water are two of the meter families the AMR apps read.            */
.yi-bolt::before {
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 448 512'%3E%3Cpath d='M300 0 60 288l140 0-50 224 240-288-140 0z'/%3E%3C/svg%3E");
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 448 512'%3E%3Cpath d='M300 0 60 288l140 0-50 224 240-288-140 0z'/%3E%3C/svg%3E");
}

.yi-droplet::before {
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 384 512'%3E%3Cpath d='M192 0C192 0 48 176 48 304a144 144 0 1 0 288 0C336 176 192 0 192 0z'/%3E%3C/svg%3E");
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 384 512'%3E%3Cpath d='M192 0C192 0 48 176 48 304a144 144 0 1 0 288 0C336 176 192 0 192 0z'/%3E%3C/svg%3E");
}

/*  The drag handle of a reorderable row, and the icon of a treedb: both
 *  are wanted by the schema editor and neither was in the set. A missing
 *  glyph renders as a solid black square, so a mask is added rather than
 *  a class referenced on hope.  */
.yi-grip-vertical::before {
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 320 512'%3E%3Cpath d='M40 352l48 0c22.1 0 40 17.9 40 40l0 48c0 22.1-17.9 40-40 40l-48 0c-22.1 0-40-17.9-40-40l0-48c0-22.1 17.9-40 40-40zm192 0l48 0c22.1 0 40 17.9 40 40l0 48c0 22.1-17.9 40-40 40l-48 0c-22.1 0-40-17.9-40-40l0-48c0-22.1 17.9-40 40-40zM40 192l48 0c22.1 0 40 17.9 40 40l0 48c0 22.1-17.9 40-40 40l-48 0c-22.1 0-40-17.9-40-40l0-48c0-22.1 17.9-40 40-40zm192 0l48 0c22.1 0 40 17.9 40 40l0 48c0 22.1-17.9 40-40 40l-48 0c-22.1 0-40-17.9-40-40l0-48c0-22.1 17.9-40 40-40zM40 32l48 0c22.1 0 40 17.9 40 40l0 48c0 22.1-17.9 40-40 40l-48 0c-22.1 0-40-17.9-40-40l0-48c0-22.1 17.9-40 40-40zM232 32l48 0c22.1 0 40 17.9 40 40l0 48c0 22.1-17.9 40-40 40l-48 0c-22.1 0-40-17.9-40-40l0-48c0-22.1 17.9-40 40-40z'/%3E%3C/svg%3E");
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 320 512'%3E%3Cpath d='M40 352l48 0c22.1 0 40 17.9 40 40l0 48c0 22.1-17.9 40-40 40l-48 0c-22.1 0-40-17.9-40-40l0-48c0-22.1 17.9-40 40-40zm192 0l48 0c22.1 0 40 17.9 40 40l0 48c0 22.1-17.9 40-40 40l-48 0c-22.1 0-40-17.9-40-40l0-48c0-22.1 17.9-40 40-40zM40 192l48 0c22.1 0 40 17.9 40 40l0 48c0 22.1-17.9 40-40 40l-48 0c-22.1 0-40-17.9-40-40l0-48c0-22.1 17.9-40 40-40zm192 0l48 0c22.1 0 40 17.9 40 40l0 48c0 22.1-17.9 40-40 40l-48 0c-22.1 0-40-17.9-40-40l0-48c0-22.1 17.9-40 40-40zM40 32l48 0c22.1 0 40 17.9 40 40l0 48c0 22.1-17.9 40-40 40l-48 0c-22.1 0-40-17.9-40-40l0-48c0-22.1 17.9-40 40-40zM232 32l48 0c22.1 0 40 17.9 40 40l0 48c0 22.1-17.9 40-40 40l-48 0c-22.1 0-40-17.9-40-40l0-48c0-22.1 17.9-40 40-40z'/%3E%3C/svg%3E");
}

.yi-database::before {
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 448 512'%3E%3Cpath d='M448 80l0 48c0 44.2-100.3 80-224 80S0 172.2 0 128L0 80C0 35.8 100.3 0 224 0S448 35.8 448 80zM393.2 214.7c20.8-7.4 39.9-16.9 54.8-28.6L448 288c0 44.2-100.3 80-224 80S0 332.2 0 288L0 186.1c14.9 11.8 34 21.2 54.8 28.6C99.7 230.7 159.5 240 224 240s124.3-9.3 169.2-25.3zM0 346.1c14.9 11.8 34 21.2 54.8 28.6C99.7 390.7 159.5 400 224 400s124.3-9.3 169.2-25.3c20.8-7.4 39.9-16.9 54.8-28.6l0 85.9c0 44.2-100.3 80-224 80S0 476.2 0 432l0-85.9z'/%3E%3C/svg%3E");
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 448 512'%3E%3Cpath d='M448 80l0 48c0 44.2-100.3 80-224 80S0 172.2 0 128L0 80C0 35.8 100.3 0 224 0S448 35.8 448 80zM393.2 214.7c20.8-7.4 39.9-16.9 54.8-28.6L448 288c0 44.2-100.3 80-224 80S0 332.2 0 288L0 186.1c14.9 11.8 34 21.2 54.8 28.6C99.7 230.7 159.5 240 224 240s124.3-9.3 169.2-25.3zM0 346.1c14.9 11.8 34 21.2 54.8 28.6C99.7 390.7 159.5 400 224 400s124.3-9.3 169.2-25.3c20.8-7.4 39.9-16.9 54.8-28.6l0 85.9c0 44.2-100.3 80-224 80S0 476.2 0 432l0-85.9z'/%3E%3C/svg%3E");
}

/*  The two faces of the JSON viewer's view switch: the tree it renders
 *  and the raw text behind it. Neither was in the set, and a missing
 *  glyph renders as a solid black square.  */
.yi-code::before {
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 640 512'%3E%3Cpath d='M392.8 1.2c-17-4.9-34.7 5-39.6 22l-128 448c-4.9 17 5 34.7 22 39.6s34.7-5 39.6-22l128-448c4.9-17-5-34.7-22-39.6zm80.6 120.1c-12.5 12.5-12.5 32.8 0 45.3L562.7 256l-89.4 89.4c-12.5 12.5-12.5 32.8 0 45.3s32.8 12.5 45.3 0l112-112c12.5-12.5 12.5-32.8 0-45.3l-112-112c-12.5-12.5-32.8-12.5-45.3 0zm-306.7 0c-12.5-12.5-32.8-12.5-45.3 0l-112 112c-12.5 12.5-12.5 32.8 0 45.3l112 112c12.5 12.5 32.8 12.5 45.3 0s12.5-32.8 0-45.3L77.3 256l89.4-89.4c12.5-12.5 12.5-32.8 0-45.3z'/%3E%3C/svg%3E");
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 640 512'%3E%3Cpath d='M392.8 1.2c-17-4.9-34.7 5-39.6 22l-128 448c-4.9 17 5 34.7 22 39.6s34.7-5 39.6-22l128-448c4.9-17-5-34.7-22-39.6zm80.6 120.1c-12.5 12.5-12.5 32.8 0 45.3L562.7 256l-89.4 89.4c-12.5 12.5-12.5 32.8 0 45.3s32.8 12.5 45.3 0l112-112c12.5-12.5 12.5-32.8 0-45.3l-112-112c-12.5-12.5-32.8-12.5-45.3 0zm-306.7 0c-12.5-12.5-32.8-12.5-45.3 0l-112 112c-12.5 12.5-12.5 32.8 0 45.3l112 112c12.5 12.5 32.8 12.5 45.3 0s12.5-32.8 0-45.3L77.3 256l89.4-89.4c12.5-12.5 12.5-32.8 0-45.3z'/%3E%3C/svg%3E");
}

.yi-sitemap::before {
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 576 512'%3E%3Cpath d='M208 80c0-26.5 21.5-48 48-48l64 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-8 0 0 40 152 0c30.9 0 56 25.1 56 56l0 32 8 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-64 0c-26.5 0-48-21.5-48-48l0-64c0-26.5 21.5-48 48-48l8 0 0-32c0-4.4-3.6-8-8-8l-152 0 0 40 8 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-64 0c-26.5 0-48-21.5-48-48l0-64c0-26.5 21.5-48 48-48l8 0 0-40-152 0c-4.4 0-8 3.6-8 8l0 32 8 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-64 0c-26.5 0-48-21.5-48-48l0-64c0-26.5 21.5-48 48-48l8 0 0-32c0-30.9 25.1-56 56-56l152 0 0-40-8 0c-26.5 0-48-21.5-48-48l0-64z'/%3E%3C/svg%3E");
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}

/*  The camera's "fit" bracket, the SAME glyph the treedb graph's SVG
 *  sprite uses for the same action (`g6-icon-fit` in lib_icons.js).
 *  One action, one drawing: the JSON graph used to say it with
 *  `yi-arrows-to-eye`, which is a different picture for the same
 *  button in a sibling view.  */
.yi-fit::before {
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 448 512'%3E%3Cpath d='M32 32C14.3 32 0 46.3 0 64l0 96c0 17.7 14.3 32 32 32s32-14.3 32-32l0-64 64 0c17.7 0 32-14.3 32-32s-14.3-32-32-32L32 32zM64 352c0-17.7-14.3-32-32-32S0 334.3 0 352l0 96c0 17.7 14.3 32 32 32l96 0c17.7 0 32-14.3 32-32s-14.3-32-32-32l-64 0 0-64zM320 32c-17.7 0-32 14.3-32 32s14.3 32 32 32l64 0 0 64c0 17.7 14.3 32 32 32s32-14.3 32-32l0-96c0-17.7-14.3-32-32-32l-96 0zM448 352c0-17.7-14.3-32-32-32s-32 14.3-32 32l0 64-64 0c-17.7 0-32 14.3-32 32s14.3 32 32 32l96 0c17.7 0 32-14.3 32-32l0-96z'/%3E%3C/svg%3E");
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 448 512'%3E%3Cpath d='M32 32C14.3 32 0 46.3 0 64l0 96c0 17.7 14.3 32 32 32s32-14.3 32-32l0-64 64 0c17.7 0 32-14.3 32-32s-14.3-32-32-32L32 32zM64 352c0-17.7-14.3-32-32-32S0 334.3 0 352l0 96c0 17.7 14.3 32 32 32l96 0c17.7 0 32-14.3 32-32s-14.3-32-32-32l-64 0 0-64zM320 32c-17.7 0-32 14.3-32 32s14.3 32 32 32l64 0 0 64c0 17.7 14.3 32 32 32s32-14.3 32-32l0-96c0-17.7-14.3-32-32-32l-96 0zM448 352c0-17.7-14.3-32-32-32s-32 14.3-32 32l0 64-64 0c-17.7 0-32 14.3-32 32s14.3 32 32 32l96 0c17.7 0 32-14.3 32-32l0-96z'/%3E%3C/svg%3E");
}

/*  A letter, for "labels": the name under a closed graph node.  */
.yi-font::before {
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 448 512'%3E%3Cpath fill-rule='evenodd' d='M190 32h68l150 448h-72l-40-120H152l-40 120H40L190 32zM172 300h104l-52-158-52 158z'/%3E%3C/svg%3E");
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 448 512'%3E%3Cpath fill-rule='evenodd' d='M190 32h68l150 448h-72l-40-120H152l-40 120H40L190 32zM172 300h104l-52-158-52 158z'/%3E%3C/svg%3E");
}

/*  Two columns, for "a second pane beside the first" (the JSON pad).  */
.yi-columns::before {
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 512 512'%3E%3Cpath fill-rule='evenodd' d='M0 96C0 60.7 28.7 32 64 32h384c35.3 0 64 28.7 64 64v320c0 35.3-28.7 64-64 64H64c-35.3 0-64-28.7-64-64V96zm64 32v288h160V128H64zm224 0v288h160V128H288z'/%3E%3C/svg%3E");
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 512 512'%3E%3Cpath fill-rule='evenodd' d='M0 96C0 60.7 28.7 32 64 32h384c35.3 0 64 28.7 64 64v320c0 35.3-28.7 64-64 64H64c-35.3 0-64-28.7-64-64V96zm64 32v288h160V128H64zm224 0v288h160V128H288z'/%3E%3C/svg%3E");
}

/*  Two opposite arrows, for "compare" (the JSON pad's differences).  */
.yi-right-left::before {
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 512 512'%3E%3Cpath d='M352 64L480 160 352 256V192H64V128H352ZM160 256L32 352 160 448V384H448V320H160Z'/%3E%3C/svg%3E");
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 512 512'%3E%3Cpath d='M352 64L480 160 352 256V192H64V128H352ZM160 256L32 352 160 448V384H448V320H160Z'/%3E%3C/svg%3E");
}

/* --- One shape per meaning (FontAwesome Free 7.3.1, solid) ---
 *  A chevron opens or closes ONE thing, or scrolls; a shafted arrow
 *  steps through a sequence; a tree box steps one LEVEL of a tree;
 *  a double chevron acts on ALL of it. */

.yi-square-plus::before {
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 448 512'%3E%3Cpath d='M64 32C28.7 32 0 60.7 0 96L0 416c0 35.3 28.7 64 64 64l320 0c35.3 0 64-28.7 64-64l0-320c0-35.3-28.7-64-64-64L64 32zM200 344l0-64-64 0c-13.3 0-24-10.7-24-24s10.7-24 24-24l64 0 0-64c0-13.3 10.7-24 24-24s24 10.7 24 24l0 64 64 0c13.3 0 24 10.7 24 24s-10.7 24-24 24l-64 0 0 64c0 13.3-10.7 24-24 24s-24-10.7-24-24z'/%3E%3C/svg%3E");
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 448 512'%3E%3Cpath d='M64 32C28.7 32 0 60.7 0 96L0 416c0 35.3 28.7 64 64 64l320 0c35.3 0 64-28.7 64-64l0-320c0-35.3-28.7-64-64-64L64 32zM200 344l0-64-64 0c-13.3 0-24-10.7-24-24s10.7-24 24-24l64 0 0-64c0-13.3 10.7-24 24-24s24 10.7 24 24l0 64 64 0c13.3 0 24 10.7 24 24s-10.7 24-24 24l-64 0 0 64c0 13.3-10.7 24-24 24s-24-10.7-24-24z'/%3E%3C/svg%3E");
}

.yi-square-minus::before {
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 448 512'%3E%3Cpath d='M64 32C28.7 32 0 60.7 0 96L0 416c0 35.3 28.7 64 64 64l320 0c35.3 0 64-28.7 64-64l0-320c0-35.3-28.7-64-64-64L64 32zm72 200l176 0c13.3 0 24 10.7 24 24s-10.7 24-24 24l-176 0c-13.3 0-24-10.7-24-24s10.7-24 24-24z'/%3E%3C/svg%3E");
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 448 512'%3E%3Cpath d='M64 32C28.7 32 0 60.7 0 96L0 416c0 35.3 28.7 64 64 64l320 0c35.3 0 64-28.7 64-64l0-320c0-35.3-28.7-64-64-64L64 32zm72 200l176 0c13.3 0 24 10.7 24 24s-10.7 24-24 24l-176 0c-13.3 0-24-10.7-24-24s10.7-24 24-24z'/%3E%3C/svg%3E");
}

.yi-angles-down::before {
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 384 512'%3E%3Cpath d='M214.6 470.6c-12.5 12.5-32.8 12.5-45.3 0l-160-160c-12.5-12.5-12.5-32.8 0-45.3s32.8-12.5 45.3 0L192 402.7 329.4 265.4c12.5-12.5 32.8-12.5 45.3 0s12.5 32.8 0 45.3l-160 160zm160-352l-160 160c-12.5 12.5-32.8 12.5-45.3 0l-160-160c-12.5-12.5-12.5-32.8 0-45.3s32.8-12.5 45.3 0L192 210.7 329.4 73.4c12.5-12.5 32.8-12.5 45.3 0s12.5 32.8 0 45.3z'/%3E%3C/svg%3E");
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 384 512'%3E%3Cpath d='M214.6 470.6c-12.5 12.5-32.8 12.5-45.3 0l-160-160c-12.5-12.5-12.5-32.8 0-45.3s32.8-12.5 45.3 0L192 402.7 329.4 265.4c12.5-12.5 32.8-12.5 45.3 0s12.5 32.8 0 45.3l-160 160zm160-352l-160 160c-12.5 12.5-32.8 12.5-45.3 0l-160-160c-12.5-12.5-12.5-32.8 0-45.3s32.8-12.5 45.3 0L192 210.7 329.4 73.4c12.5-12.5 32.8-12.5 45.3 0s12.5 32.8 0 45.3z'/%3E%3C/svg%3E");
}

.yi-angles-up::before {
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 384 512'%3E%3Cpath d='M214.6 41.4c-12.5-12.5-32.8-12.5-45.3 0l-160 160c-12.5 12.5-12.5 32.8 0 45.3s32.8 12.5 45.3 0L192 109.3 329.4 246.6c12.5 12.5 32.8 12.5 45.3 0s12.5-32.8 0-45.3l-160-160zm160 352l-160-160c-12.5-12.5-32.8-12.5-45.3 0l-160 160c-12.5 12.5-12.5 32.8 0 45.3s32.8 12.5 45.3 0L192 301.3 329.4 438.6c12.5 12.5 32.8 12.5 45.3 0s12.5-32.8 0-45.3z'/%3E%3C/svg%3E");
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}

.yi-arrow-up::before {
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 384 512'%3E%3Cpath d='M214.6 9.4c-12.5-12.5-32.8-12.5-45.3 0l-160 160c-12.5 12.5-12.5 32.8 0 45.3s32.8 12.5 45.3 0L160 109.3 160 480c0 17.7 14.3 32 32 32s32-14.3 32-32l0-370.7 105.4 105.4c12.5 12.5 32.8 12.5 45.3 0s12.5-32.8 0-45.3l-160-160z'/%3E%3C/svg%3E");
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}

.yi-arrow-down::before {
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 384 512'%3E%3Cpath d='M169.4 502.6c12.5 12.5 32.8 12.5 45.3 0l160-160c12.5-12.5 12.5-32.8 0-45.3s-32.8-12.5-45.3 0L224 402.7 224 32c0-17.7-14.3-32-32-32s-32 14.3-32 32l0 370.7-105.4-105.4c-12.5-12.5-32.8-12.5-45.3 0s-12.5 32.8 0 45.3l160 160z'/%3E%3C/svg%3E");
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 384 512'%3E%3Cpath d='M169.4 502.6c12.5 12.5 32.8 12.5 45.3 0l160-160c12.5-12.5 12.5-32.8 0-45.3s-32.8-12.5-45.3 0L224 402.7 224 32c0-17.7-14.3-32-32-32s-32 14.3-32 32l0 370.7-105.4-105.4c-12.5-12.5-32.8-12.5-45.3 0s-12.5 32.8 0 45.3l160 160z'/%3E%3C/svg%3E");
}

.yi-circle-up::before {
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 512 512'%3E%3Cpath d='M256 512a256 256 0 1 0 0-512 256 256 0 1 0 0 512zm11.3-387.3l104 104c4.6 4.6 5.9 11.5 3.5 17.4S366.5 256 360 256l-56 0 0 96c0 17.7-14.3 32-32 32l-32 0c-17.7 0-32-14.3-32-32l0-96-56 0c-6.5 0-12.3-3.9-14.8-9.9s-1.1-12.9 3.5-17.4l104-104c6.2-6.2 16.4-6.2 22.6 0z'/%3E%3C/svg%3E");
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 512 512'%3E%3Cpath d='M256 512a256 256 0 1 0 0-512 256 256 0 1 0 0 512zm11.3-387.3l104 104c4.6 4.6 5.9 11.5 3.5 17.4S366.5 256 360 256l-56 0 0 96c0 17.7-14.3 32-32 32l-32 0c-17.7 0-32-14.3-32-32l0-96-56 0c-6.5 0-12.3-3.9-14.8-9.9s-1.1-12.9 3.5-17.4l104-104c6.2-6.2 16.4-6.2 22.6 0z'/%3E%3C/svg%3E");
}

/*  Elbow edges: boxes joined by right-angled lines (FontAwesome Free 7.3.1). */
.yi-diagram-project::before {
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 512 512'%3E%3Cpath d='M0 80C0 53.5 21.5 32 48 32l96 0c26.5 0 48 21.5 48 48l0 16 128 0 0-16c0-26.5 21.5-48 48-48l96 0c26.5 0 48 21.5 48 48l0 96c0 26.5-21.5 48-48 48l-96 0c-26.5 0-48-21.5-48-48l0-16-128 0 0 16c0 7.3-1.7 14.3-4.6 20.5l68.6 91.5 80 0c26.5 0 48 21.5 48 48l0 96c0 26.5-21.5 48-48 48l-96 0c-26.5 0-48-21.5-48-48l0-96c0-7.3 1.7-14.3 4.6-20.5L128 224 48 224c-26.5 0-48-21.5-48-48L0 80z'/%3E%3C/svg%3E");
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 512 512'%3E%3Cpath d='M0 80C0 53.5 21.5 32 48 32l96 0c26.5 0 48 21.5 48 48l0 16 128 0 0-16c0-26.5 21.5-48 48-48l96 0c26.5 0 48 21.5 48 48l0 96c0 26.5-21.5 48-48 48l-96 0c-26.5 0-48-21.5-48-48l0-16-128 0 0 16c0 7.3-1.7 14.3-4.6 20.5l68.6 91.5 80 0c26.5 0 48 21.5 48 48l0 96c0 26.5-21.5 48-48 48l-96 0c-26.5 0-48-21.5-48-48l0-96c0-7.3 1.7-14.3 4.6-20.5L128 224 48 224c-26.5 0-48-21.5-48-48L0 80z'/%3E%3C/svg%3E");
}