/*
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 */

#PanelUI-zen-gradient-generator {
  --panel-width: 360px;
  --panel-padding: 10px;
  min-width: var(--panel-width);
}

#PanelUI-zen-gradient-generator .panel-viewcontainer,
#PanelUI-zen-gradient-generator .panel-viewstack {
  display: flex;
  flex-direction: column;
  width: 100%;
}

#PanelUI-zen-gradient-generator-controls {
  align-items: center;
  gap: var(--panel-padding);
  padding-top: 10px;
}

#zen-theme-picker-color {
  align-items: start;
  width: 100%;

  & label {
    font-size: 12px;
    margin-left: 0;
    font-weight: 600;
    margin-bottom: 5px;
  }

  & input,
  & > hbox {
    width: 100%;
    position: relative;
  }

  & #PanelUI-zen-gradient-generator-custom-input {
    padding: 0;
    align-self: center;
    border: none;
    background: transparent;
  }

  & #PanelUI-zen-gradient-generator-custom-opacity {
    max-width: 50px;
  }
}

#PanelUI-zen-gradient-generator-custom-input {
  position: relative;
  padding-right: 6px !important;
}

#PanelUI-zen-gradient-generator-color-custom-add {
  cursor: pointer;
}

#PanelUI-zen-gradient-colors-wrapper {
  display: flex;
  justify-content: space-between;
  width: 100%;
  margin-bottom: 10px;
  align-items: center;
  gap: 1.5rem;
  padding: 0 var(--panel-padding);

  @media (-moz-platform: macos) {
    gap: 2rem;
  }

  #PanelUI-zen-gradient-opacity-wrapper {
    position: relative;
  }

  & label {
    margin-left: 0;
    font-weight: 600;
    margin-inline: 0;
    margin-bottom: 2px;
    @media (-moz-platform: macos) {
      font-size: larger;
    }
  }
}

#PanelUI-zen-gradient-generator-color-pages-wrapper {
  align-items: center;
}

#PanelUI-zen-gradient-generator-color-pages {
  display: flex;
  justify-content: space-around;
  margin: 0 10px;
  align-items: center;
  width: 100%;
  overflow: auto;
  scrollbar-width: none;
  scroll-behavior: smooth;
  mask-image: linear-gradient(to right, transparent 0%, black 2.5%, black 97.5%, transparent 100%);

  & > hbox {
    justify-content: space-around;
    min-width: 100%;

    & > box {
      width: 22px;
      height: 22px;
      border-radius: 50%;
      cursor: pointer;
      position: relative;
      transition: transform 0.1s;

      &[data-num-dots='3'] {
        background:
          radial-gradient(circle at 0% 0%, var(--c1), transparent 100%),
          radial-gradient(circle at 100% 0%, var(--c2), transparent 100%),
          linear-gradient(to top, var(--c3) 0%, transparent 60%);
      }

      &:hover {
        transform: scale(1.05);

        &::after {
          transform: scale(1.05);
        }
      }

      &:hover:active {
        transform: scale(0.95);

        &::after {
          transform: scale(0.95);
        }
      }
    }
  }
}

#PanelUI-zen-gradient-generator-custom-list {
  margin-top: 15px;

  &:empty {
    display: none;
  }

  & .zen-theme-picker-custom-list-item {
    display: flex;
    padding: 5px;
    position: relative;

    & .zen-theme-picker-dot.custom {
      background: var(--zen-theme-picker-dot-color);
      border: 1px solid var(--zen-colors-border);
      border-radius: 5px;
      width: 20px;
      height: 20px;
      margin-right: 10px;
    }

    & .zen-theme-picker-custom-list-item-label {
      font-size: 12px;
      font-weight: 600;
      margin: 0;
      display: flex;
      align-items: center;
    }

    & .zen-theme-picker-custom-list-item-remove {
      padding: 2px 4px !important;
      margin: 0 !important;
      margin-left: auto !important;
      transition: opacity 0.1s;
      opacity: 0;
    }

    &:hover .zen-theme-picker-custom-list-item-remove {
      opacity: 1;
    }
  }
}

#PanelUI-zen-gradient-slider-wave {
  position: absolute;
  left: -5px;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: flex-start;

  &::before {
    content: '';
    position: absolute;
    width: calc(100% - 8px);
    height: 16px;
    background: light-dark(rgba(0, 0, 0, 0.1), rgba(255, 255, 255, 0.1));
    border-radius: 999px;
    pointer-events: none;
    z-index: -1;
    top: 50%;
    left: 8px;
    transform: translateY(-50%);
  }

  & svg {
    overflow: visible;
    min-width: calc(100% * 1.1);
    scale: 1.2;
    margin-left: 4px;
  }
}

#PanelUI-zen-gradient-generator-opacity {
  margin: 0 !important;
  background: transparent;
  z-index: 2;
  padding: 0 5px;

  &::-moz-range-thumb {
    background: light-dark(black, white);
    border-radius: 999px;
    height: var(--zen-thumb-height);
    width: var(--zen-thumb-width);
    cursor: pointer;
    border: none;
  }

  &::-moz-range-track {
    border-radius: 999px;
    height: 18px;
  }

  &::-moz-range-progress {
    background: transparent;
  }
}

.zen-theme-picker-gradient {
  position: relative;
  overflow: hidden;
  border-radius: calc(var(--panel-border-radius) - 4px);

  min-height: calc(var(--panel-width) - var(--panel-padding) * 2 - 2px);
  background: light-dark(rgba(0, 0, 0, 0.05), rgba(255, 255, 255, 0.03));
  background-image: radial-gradient(
    light-dark(rgba(0, 0, 0, 0.2), rgba(255, 255, 255, 0.1)) 1px,
    transparent 0
  );
  background-position: -23px -23px;
  background-size: 6px 6px;

  & .zen-theme-picker-dot {
    position: absolute;
    z-index: 2;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--zen-theme-picker-dot-color);
    @media (-prefers-color-scheme: dark) {
      box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.1);
    }
    cursor: pointer;
    border: 3px solid #ffffff;
    animation: zen-theme-picker-dot-animation 0.5s;
    transform: translate(-50%, -50%);
    pointer-events: none;
    transform-origin: center center;

    &:first-of-type {
      width: 36px;
      height: 36px;
      border-width: 4px;
      z-index: 2;
      pointer-events: all;
      transition: transform 0.2s;
      z-index: 999;
      &:hover {
        transform: scale(1.05) translate(-50%, -50%);
      }
    }

    &[dragging='true'] {
      transform: scale(1.2) translate(-50%, -50%) !important;
    }
  }
}

#PanelUI-zen-gradient-generator-view {
  gap: 10px;
}

#PanelUI-zen-gradient-generator-color-click-to-add {
  position: absolute;
  font-weight: 600;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  white-space: nowrap;
  pointer-events: none;
  font-size: small;
  margin: 0;

  &[hidden] {
    display: none;
  }
}

#PanelUI-zen-gradient-generator-color-actions,
#PanelUI-zen-gradient-generator-scheme {
  display: flex;
  position: absolute;
  bottom: 12px;
  left: 50%;
  z-index: 1;
  transform: translateX(-50%);
  gap: 5px;

  & button {
    border: none !important;
    padding: 0 !important;
    min-width: fit-content !important;
    transition: background 0.2s;
    appearance: none;
    max-height: 26px;
    max-width: 26px;
    min-height: 26px;
    min-width: 26px !important;
    color: light-dark(rgba(0, 0, 0, 0.7), rgba(255, 255, 255, 0.9));

    & .button-box {
      gap: 0.1rem;
    }

    & .button-text {
      display: none;
    }

    &:hover {
      background: light-dark(rgba(0, 0, 0, 0.1), rgba(255, 255, 255, 0.1));
    }

    &[disabled] {
      opacity: 0.5;
      cursor: not-allowed;
    }
  }
}

#PanelUI-zen-gradient-generator-scheme {
  top: 15px;
  max-height: 32px;
}

@media not -moz-pref('zen.theme.gradient.show-custom-colors') {
  #PanelUI-zen-gradient-generator-custom-colors {
    display: none !important;
  }
}

#PanelUI-zen-gradient-generator-texture-wrapper {
  width: 5rem;
  height: 5rem;
  position: relative;

  @media (-moz-platform: macos) {
    width: 6rem;
    height: 6rem;
  }

  &::after {
    content: '';
    position: absolute;
    width: 60%;
    height: 60%;
    border: 1px solid color-mix(in srgb, var(--zen-colors-border) 50%, transparent 50%);
    border-radius: 50%;
    /* 3d effect */
    background: linear-gradient(
      -45deg,
      transparent -10%,
      light-dark(rgba(0, 0, 0, 0.1), rgba(255, 255, 255, 0.1)) 110%
    );
    z-index: 2;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
  }

  &::before {
    background-image: url(chrome://browser/content/zen-images/grain-bg.png);
    opacity: var(--zen-grainy-background-opacity, 0);
    mix-blend-mode: hard-light;
    width: 60%;
    height: 60%;
    pointer-events: none;
    top: 50%;
    border-radius: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1;
    content: '';
    position: absolute;
  }

  & .zen-theme-picker-texture-dot {
    height: 4px;
    width: 4px;
    border-radius: 50%;
    background: light-dark(rgba(0, 0, 0, 0.3), rgba(255, 255, 255, 0.3));
    position: absolute;
    transition: opacity 0.2s;
    transform: translate(-50%, -50%);
    pointer-events: none;
    &:not(.active) {
      opacity: 0.4;
    }
  }

  & #PanelUI-zen-gradient-generator-texture-handler {
    width: 6px;
    height: 12px;
    background: light-dark(#757575, #d1d1d1);
    position: absolute;
    transition: height 0.1s;
    z-index: 2;
    border-radius: 2px;
    cursor: pointer;
    &:hover {
      height: 14px;
    }
  }
}

#PanelUI-zen-gradient-generator-color-page-left,
#PanelUI-zen-gradient-generator-color-page-right {
  max-width: 28px;
  max-height: 28px;
  margin: 0 !important;
}

#PanelUI-zen-gradient-generator[invalidate-controls='true'] {
  #PanelUI-zen-gradient-generator-opacity {
    display: none !important;
  }

  #PanelUI-zen-gradient-slider-wave svg path {
    stroke: light-dark(rgba(77, 77, 77, 0.5), rgba(161, 161, 161, 0.5)) !important;
  }
}
