@import (reference) "../variables/neptune-tokens.less";
@import (reference) "../variables/legacy-variables.less";
@import (reference) "./mixins/_logical-properties.less";
@import (reference) "./mixins/_theming.less";

//
// Modals
// --------------------------------------------------

//
// Styles for Angular UI modal
// https://angular-ui.github.io/bootstrap/#!#modal

// .modal-open      - body class for killing the scroll
// .modal           - container to scroll within
// .modal-dialog    - positioning shell for the actual modal
// .modal-content   - actual modal w/ bg and corners and shit

// Kill the scroll on the body
.modal-open {
  overflow: hidden;
}

// Container that the modal scrolls within
.modal {
  display: none;
  overflow: hidden;
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: @zindex-modal;
  -webkit-overflow-scrolling: touch;

  // Prevent Chrome on Windows from adding a focus outline. For details, see
  // https://github.com/twbs/bootstrap/pull/10951.

  outline: 0;

  // When fading in the modal, animate it to slide down

  &.fade .modal-dialog {
    transform: translate(0, -25%);
    transition: transform (~"0.3s ease-out");
  }
  &.in .modal-dialog { transform: translate(0, 0); }
}

.modal-open .modal {
  overflow-x: hidden;
  overflow-y: auto;
}

// Shell div to position the modal with bottom padding

.modal-dialog {
  position: relative;
  width: auto;
  margin: var(--size-16);
}

// Actual modal

.modal-content {
  position: relative;
  background-color: var(--color-background-screen);
  border: 1px solid var(--color-background-neutral);
  border-radius: @border-radius-large;
  box-shadow: 0 3px 9px rgba(0, 0, 0, 0.5);
  background-clip: padding-box;

  // Remove focus outline from opened modal

  outline: 0;

  .remove-dark-themes-box-shadows();

  .np-theme-personal & {
    border-radius: var(--radius-small);
  }
}

// Modal background
.modal-backdrop {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: @zindex-modal-background;
  background-color: @color-navy-background-elevated;

  // Fade for backdrop

  &.fade {
    opacity: 0;
  }

  &.in {
    opacity: @modal-backdrop-opacity;
  }

  .np-theme-personal & {
    background-color: rgba(14, 15, 12, 0.4);
  }

  .np-theme-personal--dark & {
    background-color: rgba(243, 245, 241, 0.25);
  }

  .np-theme-personal--forest-green &,
  .np-theme-personal--bright-green & {
    background-color: rgba(255, 255, 255, 0.25);
  }
}

// Modal header
// Top section of the modal w/ title and dismiss

.modal-header {
  padding: @modal-inner-padding-collapse;
  border-bottom: 1px solid var(--color-border-neutral);
  min-height: calc(@modal-inner-padding-collapse + var(--size-24));
}

// Close icon

.modal-header .close {
  margin-top: -2px;
}

// Title text within header

.modal-title {
  margin: 0;
  line-height: var(--line-height-title);
}

// Modal body
// Where all modal content resides (sibling of .modal-header and .modal-footer)

.modal-body {
  position: relative;
  padding: @modal-inner-padding-collapse;
}

// Footer (for actions)

.modal-footer {
  padding: var(--size-16) @modal-inner-padding-collapse;
  .text-align(right); // right align buttons

  border-top: 1px solid var(--color-border-neutral);
  &:extend(.clearfix all); // clear it in case folks use .pull-* classes on buttons

  // Properly space out buttons

  .btn + .btn {
    .margin(left, var(--size-8));

    margin-bottom: 0; // account for input[type="submit"] which gets the bottom margin like all other inputs
  }

  // but override that for button groups

  .btn-group .btn + .btn {
    .margin(left, -1px);
  }

  // and override it for block buttons as well

  .btn-block + .btn-block {
    .margin(left, 0);
  }
}

// Measure scrollbar width for padding body during modal show/hide
.modal-scrollbar-measure {
  position: absolute;
  top: -9999px;
  width: 50px;
  height: 50px;
  overflow: scroll;
}

// Scale up the modal

@media (--screen-sm) {
  // Automatically set modal's width for larger viewports

  .modal-dialog {
    width: (@screen-sm-min - 36px);
    margin: (@padding-base-vertical * 4) auto;
  }

  .modal-content {
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);

    .remove-dark-themes-box-shadows();
  }

  .modal-header {
    padding: @modal-title-vertical-padding @modal-title-padding;
    min-height: calc(@modal-title-vertical-padding + var(--size-24));
  }

  .modal-body {
    padding: @modal-inner-padding;
  }

  .modal-footer {
    padding: var(--size-16) @modal-inner-padding;
  }
}

// Modal sizes

@media (--screen-sm) {
  .modal-sm,
  .modal-lg {
    width: auto;
    margin: (@padding-base-vertical * 4) @grid-gutter-width;
  }
}

@media (--screen-xs) {
  .modal-sm {
    width: (@screen-xs-min - 20px);
    margin: (@padding-base-vertical * 4) auto;
  }
}

@media (--screen-md) {
  .modal-lg {
    width: (@screen-md-min - 16px);
    margin: (@padding-base-vertical * 4) auto;
  }
}
