/*****************************************************************************
 * Open MCT, Copyright (c) 2014-2022, United States Government
 * as represented by the Administrator of the National Aeronautics and Space
 * Administration. All rights reserved.
 *
 * Open MCT is licensed under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * http://www.apache.org/licenses/LICENSE-2.0.
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations
 * under the License.
 *
 * Open MCT includes source code licensed under additional open source
 * licenses. See the Open Source Licenses file (LICENSES.md) included with
 * this source code distribution or the Licensing information page available
 * at runtime from the About dialog for additional information.
 *****************************************************************************/

/****************************************************** SNOW THEME CONSTANTS */

// Fonts
$heroFont: "Helvetica Neue", Helvetica, Arial, sans-serif;
$headerFont: $heroFont;
$bodyFont: $heroFont;

@mixin heroFont($size: 1em) {
    font-family: $heroFont;
    font-size: $size;
}

@mixin headerFont($size: 1em) {
    font-family: $headerFont;
    font-size: $size;
}

@mixin bodyFont($size: 1em) {
    font-family: $bodyFont;
    font-size: $size;
}

// Functions
@function buttonBg($c: $colorBtnBg) {
    @return $c;
}

@function pullForward($val, $amt) {
    @return darken($val, $amt);
}

@function pushBack($val, $amt) {
    @return lighten($val, $amt);
}

// General
$fontBaseSize: 12px;
$smallCr: 2px;
$controlCr: 3px;
$basicCr: 4px;
$shdwBtns: none;
$shdwBtnsOverlay: none;

// Base colors
$colorBodyBg: #fcfcfc;
$colorBodyFg: #666;
$colorBodyFgEm: #333;
$colorGenBg: #fff;
$colorHeadBg: #eee;
$colorHeadFg: $colorBodyFg;
$colorKey: #0099cc;
$colorKeyFg: #fff;
$colorKeyHov: #00c0f6;
$colorKeyFilter: invert(37%) sepia(100%) saturate(686%) hue-rotate(157deg) brightness(102%) contrast(102%);
$colorKeyFilterHov: invert(69%) sepia(87%) saturate(3243%) hue-rotate(151deg) brightness(97%) contrast(102%);
$colorKeySelectedBg: $colorKey;
$uiColor: #289fec; // Resize bars, splitter bars, etc.
$colorInteriorBorder: rgba($colorBodyFg, 0.2);
$colorA: $colorBodyFg;
$colorAHov: $colorKey;
$filterHov: hue-rotate(-10deg) brightness(0.8) contrast(2); // Tree, location items
$colorSelectedBg: pushBack($colorKey, 40%);
$colorSelectedFg: pullForward($colorBodyFg, 10%);

// Object labels
$objectLabelTypeIconOpacity: 0.5;
$objectLabelNameFilter: brightness(0.9);

// Layout
$shellMainPad: 4px 0;
$shellPanePad: $interiorMargin, 7px;
$drawerBg: darken($colorBodyBg, 5%);
$drawerFg: darken($colorBodyFg, 5%);
$sideBarBg: $drawerBg;
$sideBarHeaderBg: rgba(black, 0.1);
$sideBarHeaderFg: rgba($colorBodyFg, 0.7);

// Status colors, mainly used for messaging and item ancillary symbols
$colorStatusFg: #999;
$colorStatusDefault: #ccc;
$colorStatusInfo: #60ba7b;
$colorStatusInfoFilter: invert(64%) sepia(42%) saturate(416%) hue-rotate(85deg) brightness(93%) contrast(93%);
$colorStatusAlert: #ff8a0d;
$colorStatusAlertFilter: invert(89%) sepia(26%) saturate(5035%) hue-rotate(316deg) brightness(114%) contrast(107%);
$colorStatusError: #da0004;
$colorStatusErrorFilter: invert(8%) sepia(96%) saturate(4511%) hue-rotate(352deg) brightness(136%) contrast(114%);
$colorStatusBtnBg: #666; // Where is this used?
$colorStatusPartialBg: #c9d6ff;
$colorStatusCompleteBg: #a4e4b4;
$colorAlert: #ff8a0d;
$colorAlertFg: #fff;
$colorError: #ff3c00;
$colorErrorFg: #fff;
$colorWarningHi: #990000;
$colorWarningHiFg: #FF9594;
$colorWarningLo: #ff9900;
$colorWarningLoFg: #523400;
$colorDiagnostic: #a4b442;
$colorDiagnosticFg: #39461A;
$colorCommand: #3693bd;
$colorCommandFg: #fff;
$colorInfo: #2294a2;
$colorInfoFg: #fff;
$colorOk: #33cc33;
$colorOkFg: #fff;
$colorFilterBg: #a29fe2;
$colorFilterFg: #fff;
$colorFilter: $colorFilterBg; // Standalone against $colorBodyBg

// States
$colorPausedBg: #ff9900;
$colorPausedFg: #fff;

// Base variations
$colorBodyBgSubtle: pullForward($colorBodyBg, 5%);
$colorBodyBgSubtleHov: pushBack($colorKey, 50%);
$colorKeySubtle: pushBack($colorKey, 20%);

// Time Colors
$colorTime: #618cff;
$colorTimeBg: $colorTime;
$colorTimeFg: $colorBodyBg;
$colorTimeHov: pushBack($colorTime, 5%);
$colorTimeSubtle: pushBack($colorTime, 20%);
$colorTOI: $colorBodyFg; // was $timeControllerToiLineColor
$colorTOIHov: $colorTime; // was $timeControllerToiLineColorHov
$timeConductorAxisHoverFilter: brightness(0.8);
$timeConductorActiveBg: $colorKey;
$timeConductorActivePanBg: #A0CDE1;

/************************************************** BROWSING */
$browseFrameColor: pullForward($colorBodyBg, 10%);
$browseFrameBorder: 1px solid $browseFrameColor; // Frames in Disp and Flex Layouts when frame is showing
$browseSelectableShdwHov: rgba($colorBodyFg, 0.3) 0 0 3px;
$browseSelectedBorder: 1px solid rgba($colorBodyFg, 0.4);
$filterItemHoverFg: brightness(0.9);
$filterItemMissing: contrast(0.2);
$opacityMissing: 0.4;
$borderMissing: 1px dashed $colorAlert !important;

/************************************************** EDITING */
$editUIColor: $uiColor; // Base color
$editUIColorBg: $editUIColor;
$editUIColorFg: #fff;
$editUIColorHov: pullForward(saturate($uiColor, 10%), 20%); // Hover color when $editUIColor is applied as a base color
$editUIBaseColor: #cae1ff; // Base color, toolbar bg
$editUIBaseColorHov: pushBack($editUIBaseColor, 20%);
$editUIBaseColorFg: #4c4c4c; // Toolbar button icon colors, etc.
$editUIAreaBaseColor: pullForward(saturate($editUIBaseColor, 30%), 20%);
$editUIAreaShdw: $editUIAreaBaseColor 0 0 0 2px; // Edit area s-selected-parent
$editUIAreaShdwSelected: $editUIAreaBaseColor 0 0 0 3px; // Edit area s-selected
$editUIGridColorBg: rgba($editUIBaseColor, 0.2); // Background of layout editing area
$editUIGridColorFg: rgba($editUIBaseColor, 0.3); // Grid lines in layout editing area
$editDimensionsColor: #d7aeff;
$editFrameColor: $browseFrameColor; // Solid or dotted border applied to non-selected frames in a layout; move-bar on frame hover
$editFrameBorder: 1px dotted $editFrameColor;
$editFrameColorHov: $editUIColor; // Solid border hover on frames; hover should not be applied to selected objects
$editFrameBorderHov: 1px solid $editFrameColorHov; // Hover on selectable frames
$editFrameColorSelected: #ff7c00; // Border of selected frames
$editFrameColorHandleBg: $colorBodyBg; // Resize handle 'offset' color to make handle standout
$editFrameColorHandleFg: $editFrameColorSelected; // Resize handle main color
$editFrameSelectedShdw: rgba(black, 0.5) 0 1px 5px 2px;
$editFrameMovebarColorBg: $editFrameColor; // Movebar bg color
$editFrameMovebarColorFg: pullForward($editFrameMovebarColorBg, 20%);  // Grippy lines, container size text
$editFrameHovMovebarColorBg: pullForward($editFrameMovebarColorBg, 10%); // Hover style
$editFrameHovMovebarColorFg: pullForward($editFrameMovebarColorFg, 10%);
$editFrameSelectedMovebarColorBg: pullForward($editFrameMovebarColorBg, 15%); // Selected style
$editFrameSelectedMovebarColorFg: pullForward($editFrameMovebarColorFg, 15%);
$editFrameMovebarH: 10px; // Height of move bar in layout frame
$editMarqueeBorder: 1px dashed $editFrameColorSelected;
$editFrameSelectedBorder: 1px dashed $editMarqueeBorder; // Selected frame element

// Icons
$colorIconAlias: #4af6f3;
$colorIconAliasForKeyFilter: #aaa;

// Holders
$colorTabsHolderBg: rgba($colorBodyFg, 0.2);

// Buttons and Controls
$colorBtnBg: #aaa;
$colorBtnBgHov: pullForward($colorBtnBg, 10%);
$colorBtnFg: #fff;
$colorBtnReverseFg: $colorBodyBg;
$colorBtnReverseBg: $colorBodyFg;
$colorBtnFgHov: $colorBtnFg;
$colorBtnMajorBg: $colorKey;
$colorBtnMajorBgHov: $colorKeyHov;
$colorBtnMajorFg: $colorKeyFg;
$colorBtnMajorFgHov: pushBack($colorBtnMajorFg, 10%);
$colorBtnCautionBg: #f16f6f;
$colorBtnCautionBgHov: #f1504e;
$colorBtnCautionFg: $colorBtnFg;
$colorBtnActiveBg: $colorOk;
$colorBtnActiveFg: $colorOkFg;
$colorBtnSelectedBg: $colorBtnMajorBg;
$colorBtnSelectedFg: $colorBtnMajorFg;
$colorClickIconButton: $colorKey;
$colorClickIconButtonBgHov: rgba($colorKey, 0.2);
$colorClickIconButtonFgHov: $colorKeyHov;
$colorDropHint: $colorKey;
$colorDropHintBg: pushBack($colorDropHint, 10%);
$colorDropHintBgHov: pushBack($colorDropHint, 40%);
$colorDropHintFg: pushBack($colorDropHint, 0);
$colorDisclosureCtrl: rgba($colorBodyFg, 0.5);
$colorDisclosureCtrlHov: rgba($colorBodyFg, 0.7);
$btnStdH: 24px;
$colorCursorGuide: rgba(black, 0.6);
$shdwCursorGuide: rgba(white, 0.4) 0 0 2px;
$colorLocalControlOvrBg: rgba($colorBodyBg, 0.8);
$colorSelectBg: $colorBtnBg; // This must be a solid color, not a gradient, due to usage of SVG bg in selects
$colorSelectFg: $colorBtnFg;
$colorSelectArw: lighten($colorBtnBg, 20%);
$shdwSelect: none;
$controlDisabledOpacity: 0.3;

// Menus
$colorMenuBg: $colorBodyBg;
$colorMenuFg: $colorBodyFg;
$colorMenuIc: $colorKey;
$filterMenu: brightness(0.95);
$colorMenuHovBg: $colorMenuIc;
$colorMenuHovFg: $colorMenuBg;
$colorMenuHovIc: $colorMenuBg;
$colorMenuElementHilite: darken($colorMenuBg, 10%);
$shdwMenu: rgba(black, 0.8) 0 2px 10px;
$shdwMenuInner: none;
$shdwMenuText: none;
$menuItemPad: $interiorMargin, floor($interiorMargin * 1.25);

// Palettes and Swatches
$paletteItemBorderOuterColorSelected: black;
$paletteItemBorderInnerColorSelected: white;
$paletteItemBorderInnerColor: rgba($paletteItemBorderOuterColorSelected, 0.3);
$mixedSettingBg: (transparent rgba($editUIBaseColorHov, 0.9)); // Used in .c-click-icon--mixed
$mixedSettingBgSize: 10px;

// Forms
$colorCheck: $colorKey;
$colorFormRequired: $colorKey;
$colorFormValid: $colorOk;
$colorFormError: #990000;
$colorFormInvalid: #ff2200;
$colorFormFieldErrorBg: $colorFormError;
$colorFormFieldErrorFg: rgba(#fff, 0.6);
$colorFormLines: rgba(#000, 0.2);
$colorFormSectionHeaderBg: rgba(#000, 0.05);
$colorFormSectionHeaderFg: rgba($colorBodyFg, 0.5);
$colorInputBg: $colorGenBg;
$colorInputFg: $colorBodyFg;
$colorFormText: pushBack($colorBodyFg, 10%);
$colorInputIcon: pushBack($colorBodyFg, 25%);
$colorFieldHint: pullForward($colorBodyFg, 40%);
$shdwInput: inset rgba(black, 0.4) 0 0 2px 1px;
$shdwInputHov: inset rgba(black, 0.8) 0 0 2px;
$shdwInputFoc: inset rgba(black, 0.8) 0 0.25px 3px;
$formTBPad: $interiorMargin;
$formLRPad: $interiorMargin;
$formInputH: 22px;
$formRowCtrlsH: 14px;

// Inspector
$colorInspectorBg: pullForward($colorBodyBg, 5%);
$colorInspectorFg: $colorBodyFg;
$colorInspectorPropName: pushBack($colorBodyFg, 20%);
$colorInspectorPropVal: pullForward($colorInspectorFg, 15%);
$colorInspectorSectionHeaderBg: pullForward($colorInspectorBg, 5%);
$colorInspectorSectionHeaderFg: pullForward($colorInspectorBg, 40%);

// Overlay
$colorOvrBlocker: rgba(black, 0.7);
$overlayCr: $interiorMarginLg;

// Indicator colors
$colorIndicatorAvailable: $colorKey;
$colorIndicatorDisabled: #444;
$colorIndicatorOn: $colorOk;
$colorIndicatorOff: #666;
$colorIndicatorBgHov: rgba($colorHeadFg, 0.1);
$colorIndicatorMenuBg: white;
$colorIndicatorMenuBgShdw: rgba(black, 0.6) 0 0 6px;
$colorIndicatorMenuFg: $colorHeadFg;
$colorIndicatorMenuFgHov: pullForward($colorHeadFg, 10%);

// Staleness
$colorTelemStale: #00c9c9;
$colorTelemStaleFg: #002A2A;
$styleTelemStale: italic;

// Limits
$colorLimitYellowBg: #ffe64d;
$colorLimitYellowFg: #7f4f20;
$colorLimitYellowIc: #e7a115;
$colorLimitOrangeBg: #B36B00;
$colorLimitOrangeFg: #FFE0B2;
$colorLimitOrangeIc: #ff9900;
$colorLimitRedBg: #ff0000;
$colorLimitRedFg: #fff;
$colorLimitRedIc: #ffa99a;
$colorLimitPurpleBg: #891BB3;
$colorLimitPurpleFg: #EDBEFF;
$colorLimitPurpleIc: #c327ff;
$colorLimitCyanBg: #4BA6B3;
$colorLimitCyanFg: #D3FAFF;
$colorLimitCyanIc: #1795c0;

// Bubble colors
$colorInfoBubbleBg: $colorMenuBg;
$colorInfoBubbleFg: #666;
$colorThumbsBubbleFg: pullForward($colorBodyFg, 10%);
$colorThumbsBubbleBg: pullForward($colorBodyBg, 10%);

// Items
$colorItemBg: pushBack($colorBtnBg, 20%);
$colorItemBgHov: pushBack($colorItemBg, 5%);
$colorListItemBg: transparent;
$colorListItemBgHov: rgba($colorKey, 0.1);
$colorItemFg: $colorBodyFg;
$colorItemFgDetails: pushBack($colorItemFg, 15%);
$shdwItemText: none;

// Tabular
$colorTabBorder: pullForward($colorBodyBg, 10%);
$colorTabBodyBg: $colorBodyBg;
$colorTabBodyFg: pullForward($colorBodyFg, 20%);
$colorTabHeaderBg: #e2e2e2;
$colorTabHeaderFg: $colorBodyFg;
$colorTabHeaderBorder: $colorBodyBg;
$colorTabGroupHeaderBg: pullForward($colorBodyBg, 5%);
$colorTabGroupHeaderFg: pullForward($colorTabGroupHeaderBg, 40%);
$colorSummaryBg: #999;
$colorSummaryFg: rgba($colorBodyBg, 0.7);
$colorSummaryFgEm: white;

// Plot
$colorPlotBg: rgba(black, 0.05);
$colorPlotFg: $colorBodyFg;
$colorPlotHash: $colorPlotFg;
$opacityPlotHash: 0.3;
$stylePlotHash: dashed;
$colorPlotAreaBorder: $colorInteriorBorder;
$colorPlotLabelFg: pushBack($colorPlotFg, 20%);
$legendHoverValueBg: rgba($colorBodyFg, 0.2);
$legendTableHeadBg: rgba($colorBodyFg, 0.15);
$colorPlotLimitLineBg: rgba($colorBodyBg, 0.4);

// Gauges
$colorGaugeBg: pullForward($colorBodyBg, 20%); // Gauge radial area background, meter background
$colorGaugeValue: rgba(#000, 0.3); // Gauge value graphic (radial sweep, bar) color
$colorGaugeTextValue: pullForward($colorBodyFg, 20%); // Radial gauge text value
$colorGaugeMeterTextValue: $colorGaugeTextValue; // Meter text value, overlaid on value bar
$colorGaugeRange: $colorBodyFg; // Range text color
$colorGaugeLimitHigh: rgba($colorLimitRedBg, 0.2);
$colorGaugeLimitLow: $colorGaugeLimitHigh;
$transitionTimeGauge: 150ms; // CSS transition time used to smooth needle gauge and meter value transitions
$marginGaugeMeterValue: 10%; // Margin between meter value bar and bounds edges
// Time Strip and Lists
$colorCurrentBg: rgba($colorStatusAlert, 0.3);
$colorCurrentFg: pullForward($colorBodyFg, 20%);
$colorCurrentBorder: #fff;
$colorFutureBg: rgba($colorKey, 0.2);
$colorFutureFg: $colorCurrentFg;
$colorFutureBorder: $colorCurrentBorder;

// Tree
$colorTreeBg: transparent;
$colorItemTreeHoverBg: rgba(black, 0.07);
$colorItemTreeHoverFg: pullForward($colorBodyFg, 10%);
$colorItemTreeIcon: $colorKey; // Used
$colorItemTreeIconHover: $colorItemTreeIcon; // Used
$colorItemTreeFg: $colorBodyFg;
$colorItemTreeSelectedBg: $colorSelectedBg;
$colorItemTreeSelectedFg: $colorItemTreeHoverFg;
$filterItemTreeSelected: contrast(1.4);
$colorItemTreeSelectedIcon: $colorItemTreeIcon;
$colorItemTreeEditingBg: pushBack($editUIColor, 20%);
$colorItemTreeEditingFg: $editUIColor;
$colorItemTreeEditingIcon: $editUIColor;
$colorItemTreeVC: $colorDisclosureCtrl;
$colorItemTreeVCHover: $colorDisclosureCtrlHov;
$colorItemTreeNewNode: rgba($colorBodyFg, 0.5);
$shdwItemTreeIcon: none;

// Layout frame controls
$frameControlsColorFg: $colorClickIconButton;
$frameControlsColorBg: $colorMenuBg;
$frameControlsShdw: $shdwMenu;

// Images
$colorThumbHoverBg: $colorItemTreeHoverBg;

// Scrollbar
$scrollbarTrackSize: 7px;
$scrollbarTrackShdw: rgba(#000, 0.2) 0 1px 2px;
$scrollbarTrackColorBg: rgba(#000, 0.2);
$scrollbarThumbColor: pullForward($colorBodyBg, 50%);
$scrollbarThumbColorHov: $colorKey;
$scrollbarThumbColorMenu: pullForward($colorMenuBg, 10%);
$scrollbarThumbColorMenuHov: darken($scrollbarThumbColorMenu, 2%);

// Splitter
$splitterHandleD: 2px;
$splitterD: $splitterHandleD;
$splitterHandleHitMargin: 4px;
$colorSplitterBaseBg: $colorBodyBg;
$colorSplitterBg: pullForward($colorSplitterBaseBg, 20%);
$colorSplitterFg: $colorBodyBg;
$colorSplitterHover: $colorKey;
$colorSplitterActive: $colorKey;
$splitterBtnD: (16px, 35px); // height, width
$splitterBtnColorBg: $colorBtnBg;
$splitterBtnColorFg: #ddd;
$splitterBtnLabelColorFg: #999;
$splitterCollapsedBtnColorBg: #ccc;
$splitterCollapsedBtnColorFg: #666;
$splitterCollapsedBtnColorBgHov: $colorKey;
$splitterCollapsedBtnColorFgHov: $colorKeyFg;

// Mobile
$colorMobilePaneLeft: pullForward($colorBodyBg, 2%);
$colorMobilePaneLeftTreeItemBg: rgba($colorBodyFg, 0.1);
$colorMobilePaneLeftTreeItemFg: $colorItemTreeFg;
$colorMobileSelectListTreeItemBg: rgba(#000, 0.05);

// About Screen
$colorAboutLink: $colorKeySubtle;

// Loading
$colorLoadingFg: #776ba2;
$colorLoadingBg: rgba($colorLoadingFg, 0.1);

// Transitions
$transInTime: 50ms;
$transOutTime: 250ms;
$transIn: all $transInTime ease-in-out;
$transOut: all $transOutTime ease-in-out;
$transInBounce: all 200ms cubic-bezier(.47,.01,.25,1.5);
$transInBounceBig: all 300ms cubic-bezier(.2,1.6,.6,3);

// Discrete items, like Notebook entries, Widget rules
$createBtnTextTransform: uppercase;
$colorDiscreteItemBg: rgba($colorBodyFg,0.1);
$colorDiscreteItemCurrentBg: rgba($colorOk,0.3);
$scrollContainer: rgba(102, 102, 102, 0.1);

@mixin discreteItem() {
    background: $colorDiscreteItemBg;
    border: 1px solid $colorInteriorBorder;
    border-radius: $controlCr;

    &--current-match {
        background: $colorDiscreteItemCurrentBg;
    }

    .c-input-inline:hover {
        background: $colorBodyBg;
    }
}

@mixin discreteItemInnerElem() {
    border: 1px solid $colorBodyBg;
    border-radius: $controlCr;
}

@mixin themedButton($c: $colorBtnBg) {
    background: $c;
}