/*

MIT License

Copyright (c) 2024 Bioregional Education Association

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

*/


/* configure vars */
:root {
    --op-flex-gap-vertical: 10px;
    --op-flex-gap-horizontal: 10px;
    --op-flex-split-colour: #ddd;
    --op-flex-split-width: 1px;
}


/* reset flex items */
.op-flex > *,
.flex-reset {
    flex-grow: 0;
    flex-shrink: 1;
    flex-basis: auto;
}

.flex-reset {
    min-width: 0px;
    min-height: 0px;
}


/* alignment properties for items */
.op-flex > .flex-align-self-start {
    align-self: flex-start;
}

.op-flex > .flex-align-self-end {
    align-self: flex-end;
}

.op-flex > .flex-align-self-center {
    align-self: center;
}

.op-flex > .flex-align-self-stretch {
    align-self: stretch;
}

.op-flex > .flex-align-self-baseline {
    align-self: baseline;
}

.op-flex > .flex-align-self-normal {
    align-self: normal;
}


/* stretch items to create equal width columns */
.op-flex.flex-stretch > * {
    flex-grow: 1;
    flex-basis: 0px;
    min-width: 0px;
    min-height: 0px;
}

.op-flex.flex-stretch:not(.flex-vertical),
.op-flex.flex-stretch:not(.flex-vertical) > * {
    width: 100%;
}

.op-flex .op-flex.flex-stretch:not(.flex-vertical) {
    width: auto;
}

.op-flex.flex-stretch.flex-vertical,
.op-flex.flex-stretch.flex-vertical > * {
    height: 100%;
}

.op-flex .op-flex.flex-stretch.flex-vertical {
    height: auto;
}


/* general flex properties for items */
.op-flex.flex-grow-all > * {
    flex-grow: 1;
}

.op-flex > .flex-base {
    flex-basis: 0px;
}

.op-flex > .flex-base-auto {
    flex-basis: auto;
}

.op-flex > .flex-grow {
    flex-grow: 1;
}

.op-flex > .flex-shrink {
    flex-shrink: 1;
}

.op-flex > .flex-grow-none {
    flex-grow: 0;
}

.op-flex > .flex-shrink-none {
    flex-shrink: 0;
}


/* apply padding to container, use with flex-gap */
.op-flex.flex-pad,
.op-flex.flex-pad-vertical {
    padding-top: var(--op-flex-gap-vertical);
    padding-bottom: var(--op-flex-gap-vertical);
}

.op-flex.flex-pad,
.op-flex.flex-pad-horizontal {
    padding-left: var(--op-flex-gap-horizontal);
    padding-right: var(--op-flex-gap-horizontal);
}


/* apply padding directly */
.op-flex.flex-pad-top,
.op-flex > .flex-pad-top {
    padding-top: var(--op-flex-gap-vertical);
}

.op-flex.flex-pad-left,
.op-flex > .flex-pad-left {
    padding-left: var(--op-flex-gap-horizontal);
}

.op-flex.flex-pad-bottom,
.op-flex > .flex-pad-bottom {
    padding-bottom: var(--op-flex-gap-vertical);
}

.op-flex.flex-pad-right,
.op-flex > .flex-pad-right {
    padding-right: var(--op-flex-gap-horizontal);
}

.op-flex > .flex-pad-self-vertical {
    padding-top: var(--op-flex-gap-vertical);
    padding-bottom: var(--op-flex-gap-vertical);
}

.op-flex > .flex-pad-self-horizontal {
    padding-left: var(--op-flex-gap-horizontal);
    padding-right: var(--op-flex-gap-horizontal);
}


/* apply gap margin to all but the first child */
.op-flex.flex-gap.flex-vertical:not(.flex-wrap) > :not(:first-child),
.op-flex.flex-gap-vertical > :not(:first-child) {
    margin-top: var(--op-flex-gap-vertical);
}

.op-flex.flex-gap:not(.flex-vertical):not(.flex-wrap) > :not(:first-child),
.op-flex.flex-gap-horizontal > :not(:first-child) {
    margin-left: var(--op-flex-gap-horizontal);
}


/* use column and row gap only for flex-wrap, browser support is still lacking */
.op-flex.flex-gap.flex-wrap {
    column-gap: var(--op-flex-gap-horizontal);
    row-gap: var(--op-flex-gap-vertical);
}


/* remove gap from items */
.op-flex.flex-vertical > .flex-gap-none,
.op-flex > .flex-gap-vertical-none {
    margin-top: 0px !important;
}

.op-flex:not(.flex-vertical) > .flex-gap-none,
.op-flex > .flex-gap-horizontal-none {
    margin-left: 0px !important;
}


/* apply gap directly */
.op-flex.flex-gap-top,
.op-flex > .flex-gap-top {
    margin-top: var(--op-flex-gap-vertical);
}

.op-flex.flex-gap-left,
.op-flex > .flex-gap-left {
    margin-left: var(--op-flex-gap-horizontal);
}

.op-flex.flex-gap-bottom,
.op-flex > .flex-gap-bottom {
    margin-bottom: var(--op-flex-gap-vertical);
}

.op-flex.flex-gap-right,
.op-flex > .flex-gap-right {
    margin-right: var(--op-flex-gap-horizontal);
}


/* push items using auto margins */
.op-flex.flex-vertical > .flex-top,
.op-flex.flex-vertical:not(.flex-reverse) > .flex-self-start,
.op-flex.flex-vertical.flex-reverse > .flex-self-end {
    margin-bottom: auto;
}

.op-flex:not(.flex-vertical) > .flex-left,
.op-flex:not(.flex-vertical):not(.flex-reverse) > .flex-self-start,
.op-flex:not(.flex-vertical).flex-reverse > .flex-self-end {
    margin-right: auto;
}

.op-flex.flex-vertical > .flex-bottom,
.op-flex.flex-vertical:not(.flex-reverse) > .flex-self-end,
.op-flex.flex-vertical.flex-reverse > .flex-self-start {
    margin-top: auto !important;
}

.op-flex:not(.flex-vertical) > .flex-right,
.op-flex:not(.flex-vertical):not(.flex-reverse) > .flex-self-end,
.op-flex:not(.flex-vertical).flex-reverse > .flex-self-start {
    margin-left: auto !important;
}


/* split borders between items */
.op-flex.flex-split.flex-vertical > :not(:last-child) {
    border-bottom: solid var(--op-flex-split-width) var(--op-flex-split-colour);
}

.op-flex.flex-split.flex-gap.flex-vertical > :not(:last-child) {
    padding-bottom: var(--op-flex-gap-vertical);
}

.op-flex.flex-split:not(.flex-vertical) > :not(:last-child) {
    border-right: solid var(--op-flex-split-width) var(--op-flex-split-colour);
}

.op-flex.flex-split.flex-gap:not(.flex-vertical) > :not(:last-child) {
    padding-right: var(--op-flex-gap-horizontal);
}


/* apply split borders directly to items */
.op-flex > .flex-split-top {
    border-top: solid var(--op-flex-split-width) var(--op-flex-split-colour);
}
.op-flex.flex-gap.flex-vertical > .flex-split-top {
    padding-top: var(--op-flex-gap-vertical);
}

.op-flex > .flex-split-left {
    border-left: solid var(--op-flex-split-width) var(--op-flex-split-colour);
}
.op-flex.flex-gap:not(.flex-vertical) > .flex-split-left {
    padding-left: var(--op-flex-gap-horizontal);
}

.op-flex > .flex-split-bottom {
    border-bottom: solid var(--op-flex-split-width) var(--op-flex-split-colour);
}
.op-flex.flex-gap.flex-vertical > .flex-split-bottom {
    padding-bottom: var(--op-flex-gap-vertical);
}

.op-flex > .flex-split-right {
    border-right: solid var(--op-flex-split-width) var(--op-flex-split-colour);
}
.op-flex.flex-gap:not(.flex-vertical) > .flex-split-right {
    padding-right: var(--op-flex-gap-horizontal);
}


/* invisible separator elements, used in place of auto margins on items */
.op-flex > .flex-space {
    margin-top: auto !important;
    margin-left: auto !important;
    padding: 0px;
    width: 0px;
    height: 0px;
    visibility: hidden;
}


/* default flex properties */
.op-flex {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    align-items: normal;
    justify-content: normal;
}


/* flow control properties */
.op-flex.flex-vertical {
    flex-direction: column;
}

.op-flex.flex-reverse {
    flex-direction: row-reverse;
}

.op-flex.flex-vertical.flex-reverse {
    flex-direction: column-reverse;
}

.op-flex.flex-wrap {
    flex-wrap: wrap;
}

.op-flex:not(.flex-vertical).flex-wide {
    width: 100%;
}

.op-flex.flex-vertical.flex-wide {
    height: 100%;
}


/* apply both justify and align in 'flex-center', for convenience */
.op-flex.flex-center {
    justify-content: center;
    align-items: center;
}


/* container level justify */
.op-flex.flex-start,
.op-flex.flex-just-start {
    justify-content: flex-start;
}

.op-flex.flex-end,
.op-flex.flex-just-end {
    justify-content: flex-end;
}

.op-flex.flex-just-center {
    justify-content: center;
}

.op-flex.flex-just-stretch {
    justify-content: stretch;
}

.op-flex.flex-just-between {
    justify-content: space-between;
}

.op-flex.flex-just-even {
    justify-content: space-evenly;
}

.op-flex.flex-just-around {
    justify-content: space-around;
}

.op-flex.flex-just-normal {
    justify-content: normal;
}


/* container level alignment */
.op-flex.flex-align-start {
    align-items: flex-start;
}

.op-flex.flex-align-end {
    align-items: flex-end;
}

.op-flex.flex-align-center {
    align-items: center;
}

.op-flex.flex-align-stretch {
    align-items: stretch;
}

.op-flex.flex-align-baseline {
    align-items: baseline;
}

.op-flex.flex-align-normal {
    align-items: normal;
}