/* Copyright 2025 The Chromium Authors
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file. */

/* #css_wrapper_metadata_start
 * #type=style-lit
 * #import=//resources/cr_elements/cr_icons_lit.css.js
 * #scheme=relative
 * #include=cr-icons-lit
 * #css_wrapper_metadata_end */

:host {
  --button-height: 36px;
  --cr-focus-outline-color: var(--color-searchbox-results-icon-focused-outline);
  --duration: 1800ms;
  --fulfillment-background: #fff;
  --glif-gradient: conic-gradient(
    #3186ff00 0deg,
    #34a853ff 43deg,
    #ffd314ff 65deg,
    #ff4641ff 105deg,
    #3186ffff 144deg,
    #3186ffff 150deg,
    #3186ff00 250deg
  );
  --gradient-width: 2px;
  --input-background: #fff;
  --input-foreground: #0a0a0a;
  --standard-curve: cubic-bezier(0.4, 0, 0.2, 1);
  --text-animation-curve: cubic-bezier(0.38, 0.72, 0, 1);
}

.glow-container {
  display: inline-block;
  height: var(--button-height);
  margin-left: 2px;
  position: relative;
  width: var(--button-height);
}

cr-button#entrypoint.ai-mode-button {
  width: max-content;
}

@keyframes slide-in {
  to {
    transform: translateX(0px);
  }
}

@keyframes fade-in {
  to {
    opacity: 1;
  }
}

:host([glif-animation-state="spinner-only"]) #description {
  opacity: 0;
}

:host([glif-animation-state="started"]) #description {
  animation: slide-in 1000ms 820ms var(--text-animation-curve) forwards,
    fade-in 850ms 970ms var(--text-animation-curve) forwards;
  opacity: 0;
  transform: translateX(-12px);
}

#entrypoint.ai-mode-button {
  position: relative;
  z-index: 5;
}

/*
  The current animation consists of three states:

  1. ineligible state: The state where the animation is not enabled.
  2. spinner-only state: The state where the spinner endlessly rotates.
  3. started state: The state where the transition to the fourth state starts.
  4. finished state: This is the end state, and no further animation is played.
 */
.aim-c {
  border-radius: 100%;
  inset: 0;
  pointer-events: none;
  position: absolute;
}

.aim-gradient-outer-blur,
.aim-gradient-solid {
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  position: absolute;
}

.aim-gradient-outer-blur:before,
.aim-gradient-solid:before {
  background: var(--glif-gradient);
  bottom: 0;
  content: "";
  height: 200%;
  left: 0;
  opacity: 0;
  position: absolute;
  right: 0;
  scale: 2 2;
  top: -50%;
}

.aim-gradient-outer-blur {
  filter: blur(2px);
  opacity: 0.35;
  transform: translate3d(0px, 0px, 0px);
}

.dark .aim-gradient-outer-blur {
  filter: blur(3px);
  opacity: 0.7;
}

@keyframes rotate-gradient {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}

.aim-gradient-outer-blur,
.aim-gradient-solid {
  animation: rotate-gradient calc(var(--duration) / 1.5) var(--standard-curve)
    infinite;
}

:host([glif-animation-state="finished"]) .aim-gradient-outer-blur,
:host([glif-animation-state="ineligible"]) .aim-gradient-outer-blur,
:host([glif-animation-state="finished"]) .aim-gradient-solid,
:host([glif-animation-state="ineligible"]) .aim-gradient-solid {
  animation-play-state: paused;
  opacity: 0;
}

@keyframes fade-out-only {
  0% {
    opacity: 1;
  }

  50% {
    opacity: 1;
  }

  100% {
    opacity: 0;
  }
}

:host([glif-animation-state="started"]) .aim-gradient-outer-blur:before,
:host([glif-animation-state="started"]) .aim-gradient-solid:before {
  /* Start fully opaque before fading. */
  opacity: 1;
  animation: fade-out-only var(--duration) linear forwards;
}

@keyframes opacity-fade-in-and-stay {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

:host([glif-animation-state="spinner-only"]) .aim-gradient-outer-blur:before,
:host([glif-animation-state="spinner-only"]) .aim-gradient-solid:before {
  animation: opacity-fade-in-and-stay 300ms linear forwards;
}

:host([glif-animation-state="finished"]) .aim-gradient-outer-blur:before,
:host([glif-animation-state="finished"]) .aim-gradient-solid:before {
  opacity: 0;
}

:host([glif-animation-state="spinner-only"]) .aim-background {
  animation: opacity-fade-in-and-stay 300ms linear forwards;
  background-color: var(--fulfillment-background);
}

.aim-background {
  background-color: var(--input-background);
  clip-path: inset(0 0 0 0 round calc(var(--button-height) * 2));
  filter: blur(4px);
  inset: var(--gradient-width);
  position: absolute;
}

:host([glif-animation-state="started"]) .aim-background {
  animation: background-fade var(--duration) linear forwards;
}

:host([glif-animation-state="finished"]) .aim-background {
  opacity: 0;
}

@keyframes background-fade {
  0% {
    background: var(--fulfillment-background);
  }

  50% {
    background: var(--fulfillment-background);
  }

  100% {
    background: var(--input-background);
  }
}

@keyframes hover-background-delay {
  to {
    --cr-hover-background-color: var(
      --color-composebox-context-entrypoint-hover-background
    );
  }
}

#entrypoint {
  --cr-button-disabled-text-color: var(
    --color-composebox-context-entrypoint-text-disabled
  );
  --cr-button-text-color: var(--color-composebox-file-chip-text);
  --cr-hover-background-color:
      var(--cr-icon-button-hover-background-color);
  --cr-icon-button-margin-start: 6px;
  --icon-block-padding-small: 10px;
  border: initial;
  gap: 4px;
}

:host(:not([glif-animation-state="ineligible"])) #entrypoint {
  --cr-hover-background-color: transparent;
  animation: hover-background-delay 0ms 1850ms linear forwards;
  --icon-block-padding-small: 8px;
}

#entrypoint:not([disabled]) {
  --cr-icon-button-fill-color: var(--composebox-context-menu-entrypoint-button-color, var(--cr-button-text-color));
}

#entrypoint.menu-open {
  --cr-hover-background-color: var(--cr-icon-button-hover-background-color);
  background-color: var(--cr-icon-button-hover-background-color);
}

#entrypointPlaceholder {
  display: inline-block;
  width: 36px;
}

#description {
  display: block;
  font-size: 13px;
}

#menu {
  --color-sys-divider: var(--color-composebox-file-carousel-divider);
  --cr-action-menu-overflow: visible;
  --cr-menu-background-color: var(--color-composebox-background);
  --cr-menu-border-radius: 16px;
  --cr-primary-text-color: var(--color-composebox-file-chip-text);
  --cr-hover-background-color: var(
    --color-composebox-context-entrypoint-hover-background
  );
}

.suggestion-container {
  position: relative;
}

.tab-preview {
  background-color: var(--color-sys-surface-container-high);
  border-radius: 12px;
  border: 1px solid var(--color-sys-outline);
  box-shadow: 0 4px 12px 0 rgba(0, 0, 0, 0.15);
  display: none;
  height: 125px;
  inset-inline-start: 100%;
  margin-inline-start: 8px;
  object-fit: cover;
  object-position: top;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 200px;
}

.dropdown-item:hover + .tab-preview {
  display: block;
}

#tabHeader {
  color: var(--cr-primary-text-color);
  font-size: 11px;
  font-weight: 500;
  line-height: 16px;
  margin: 0;
  padding: 8px 14px 4px 14px;
}

.dropdown-item {
  --iron-icon-height: 16px;
  --iron-icon-width: 16px;
  align-items: center;
  background: transparent;
  border: none;
  color: var(--cr-primary-text-color);
  cursor: pointer;
  display: flex;
  font-size: 13px;
  font-weight: 400;
  gap: 8px;
  height: 32px;
  justify-content: flex-start;
  max-width: 320px;
  padding: 6px 14px;
  text-align: left;
  width: 100%;
}

:host([enable-multi-tab-selection_]) .dropdown-item {
  width: 320px;
}

.dropdown-item:hover {
  background-color: var(--cr-hover-background-color);
}

.dropdown-item[disabled] {
  color: var(--color-composebox-context-entrypoint-text-disabled);
  cursor: default;
}

.dropdown-item[disabled]:hover {
  background-color: transparent;
}

#menu hr {
  background: var(--color-sys-divider);
  border: none;
  height: 1px;
  margin: 8px 0;
}

.tab-title {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#createImage {
  --iron-icon-height: 16px;
  --iron-icon-width: 16px;
}

.multi-tab-icon {
  --iron-icon-height: 10px;
  --iron-icon-width: 10px;
  border-radius: 10px;
  flex-shrink: 0;
  margin-left: auto;
  padding: 2px;
}

#multi-tab-add {
  border: 1px solid;
}

#multi-tab-check {
  --iron-icon-fill-color: white;
  background-color: var(--color-composebox-tab-selector-button-selected);
}

@media (forced-colors: active) {
  #entrypoint:not([disabled]) {
    --cr-button-text-color: ButtonText;
    --cr-icon-button-fill-color: ButtonText;
  }
  #entrypoint {
    background-color: ButtonFace;
    border: 1px solid ButtonText;
    box-sizing: border-box;
  }
}