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91 lines
1.9 KiB
91 lines
1.9 KiB
/** |
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* @file |
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* Sticky Header Toggle Button. |
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* |
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* This button shows on the left hand side of the header (in LTR layouts), and |
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* toggles fixing the header to the top of the viewport. |
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*/ |
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@import "../base/media-queries.pcss.css"; |
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.sticky-header-toggle { |
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display: none; |
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@media (--nav) { |
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display: flex; |
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flex-shrink: 0; |
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align-items: center; |
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justify-content: center; |
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width: var(--content-left); |
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height: var(--sp6); |
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pointer-events: none; |
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opacity: 0; |
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border: 0; |
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outline: 0; |
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background-color: var(--color--primary-50); |
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&:focus { |
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cursor: pointer; |
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pointer-events: auto; |
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opacity: 1; |
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outline: solid 2px var(--color--white); |
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outline-offset: -4px; |
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} |
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} |
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} |
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body:not(.is-always-mobile-nav) .is-fixed .sticky-header-toggle { |
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@media (--nav) { |
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visibility: visible; |
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} |
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} |
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body.is-always-mobile-nav .sticky-header-toggle { |
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@media (--nav) { |
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visibility: hidden; |
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} |
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} |
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.sticky-header-toggle__icon { |
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--icon-bar-height: 3px; |
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--icon-bar-space: 7px; |
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display: flex; |
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flex-direction: column; |
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justify-content: space-between; |
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width: var(--sp2); |
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height: calc((var(--icon-bar-height) * 3) + (var(--icon-bar-space) * 2)); |
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/* Height = 3 bars + 2 spaces */ |
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transition: opacity 0.2s; |
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pointer-events: none; |
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transform-style: preserve-3d; |
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& > span { |
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display: block; |
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width: 100%; |
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height: var(--icon-bar-height); |
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transition: transform 0.2s; |
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transform-origin: center; |
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background-color: var(--color--white); |
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} |
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} |
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.is-fixed .sticky-header-toggle { |
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cursor: pointer; |
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pointer-events: auto; |
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opacity: 1; |
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} |
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[aria-checked="true"] .sticky-header-toggle__icon { |
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& > span:nth-child(1) { |
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transform: translateY(calc(var(--icon-bar-height) + var(--icon-bar-space))) rotate(-45deg); |
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} |
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& > span:nth-child(2) { |
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opacity: 0; |
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} |
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& > span:nth-child(3) { |
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transform: translateY(calc(0px - var(--icon-bar-height) - var(--icon-bar-space))) rotate(45deg); |
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} |
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}
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