/* ImgGen Component Styling System
 * This file contains all base styles for the ImgGen component hierarchy
 * Uses CSS custom properties to enable easy theming without affecting layout
 */

/* ---- CSS Custom Properties (Variables) ---- */
:root {
  /* Colors */
  --imggen-text-color: #333;
  --imggen-background: #333333;
  --imggen-overlay-bg: rgba(255, 255, 255, 0.5);
  --imggen-accent: #0066cc;
  --imggen-flash: #fe0;
  --imggen-error-bg: rgba(0, 0, 0, 0.7);
  --imggen-error-border: #ff6666;
  --imggen-error-text: #ff6666;
  --imggen-button-bg: rgba(255, 255, 255, 0.7);
  --imggen-error-text-body: #ffffff;
  --imggen-delete-hover-color: #ff3333;
  
  /* Dimensions */
  --imggen-border-radius: 8px;
  --imggen-padding: 8px;
  --imggen-button-size: 28px;
  --imggen-progress-height: 8px;
  
  /* Typography */
  --imggen-font-size: 14px;
  --imggen-font-weight: bold;
  --imggen-line-height: 1.5;
  
  /* Effects */
  --imggen-blur-radius: 4px;
  --imggen-transition-speed: 0.2s;
  --imggen-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

/* ---- Core Components ---- */

/* Root container */
.imggen-root {
  position: relative;
  max-width: 100%;
  /* No border-radius to allow downstream apps to set their own */
  overflow: hidden;
}

/* Image container */
.imggen-container {
  position: relative;
  width: 100%;
  height: 100%;
}

/* Image container with expand button */
.imggen-image-container {
  position: relative;
  width: 100%;
  overflow: hidden;
  /* No border-radius to allow downstream apps to set their own */
}

/* Expand button in upper left corner */
.imggen-expand-button {
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 20;
  background-color: var(--imggen-button-bg);
  border-radius: 50%;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  cursor: pointer;
  opacity: 0; /* Initially invisible */
  transition: opacity var(--imggen-transition-speed) ease, transform var(--imggen-transition-speed) ease;
  padding: 0;
  color: var(--imggen-text-color);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* Show button on container hover */
.imggen-image-container:hover .imggen-expand-button {
  opacity: 0.5;
}

.imggen-expand-button:hover {
  opacity: 1 !important;
  transform: scale(1.1);
}

.imggen-expand-button svg {
  width: 20px;
  height: 20px;
}

@media (hover: none) {
  /* On touch devices, always show the expand button */
  .imggen-expand-button {
    opacity: 0.5 !important;
  }
}

/* The image itself - limited styling since we can't change ImgFile */
.imggen-image {
  width: 100%;
  height: auto;
  display: block;
  /* No border-radius to allow downstream apps to set their own */
}

/* ---- Overlays ---- */

/* Base overlay that appears at the bottom */
.imggen-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--imggen-padding);
  background-color: var(--imggen-overlay-bg);
  backdrop-filter: blur(var(--imggen-blur-radius));
  transition: opacity var(--imggen-transition-speed) ease;
  z-index: 10;
  display: flex;
  flex-direction: column;
}

/* Top line row with prompt and version indicator */
.imggen-top-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

/* Prompt text container */
.imggen-prompt {
  width: 100%;
  padding: 4px;
  margin-bottom: 8px;
}

/* Prompt text styling */
.imggen-prompt-text {
  color: var(--imggen-text-color);
  width: 100%;
  text-align: center;
  font-weight: var(--imggen-font-weight);
  padding: 2px;
  cursor: pointer;
}

/* Prompt input for editing */
.imggen-prompt-input {
  width: 100%;
  box-sizing: border-box;
  padding: 6px 8px;
  border: 1px solid #ccc;
  border-radius: 4px;
  font-size: var(--imggen-font-size);
  font-weight: var(--imggen-font-weight);
  color: var(--imggen-text-color);
  background-color: white;
}

.imggen-edit-mode {
  border: 2px solid var(--imggen-accent);
  padding: 6px 10px;
  border-radius: 6px;
}

/* Controls row */
.imggen-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding-top: 2px;
}

/* Control button group */
.imggen-control-group {
  display: flex;
  gap: 6px;
  align-items: center;
}

/* ---- Buttons ---- */

/* Base button styling */
.imggen-button {
  background: var(--imggen-button-bg);
  border-radius: 50%;
  width: var(--imggen-button-size);
  height: var(--imggen-button-size);
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  cursor: pointer;
  opacity: 0.5;
  transition: opacity var(--imggen-transition-speed) ease;
  padding: 0;
  font-size: var(--imggen-font-size);
  color: var(--imggen-text-color);
}

.imggen-button-highlight {
  background-color: var(--imggen-accent);
  color: white;
}

.imggen-button:hover:not(:disabled) {
  opacity: 1;
}

.imggen-button:disabled {
  opacity: 0.3;
  cursor: default;
}

/* Info button (appears at bottom left) */
.imggen-info-button {
  position: absolute;
  bottom: 10px;
  left: 10px;
  background: none;
  border: none;
  font-size: 24px;
  color: #fff;
  opacity: 0.5;
  cursor: pointer;
  padding: 0;
  transition: opacity var(--imggen-transition-speed) ease;
}

.imggen-info-button:hover {
  opacity: 1;
}

/* Delete button (top right corner) */
.imggen-delete-button {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 20;
  background-color: var(--imggen-button-bg);
  border-radius: 50%;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: none;
  font-size: 16px;
  opacity: 0.5;
  transition: opacity var(--imggen-transition-speed) ease;
  padding: 0;
}

.imggen-delete-button:hover {
  opacity: 1;
  color: var(--imggen-delete-hover-color);
}

/* ---- Progress Indicators ---- */

/* Progress bar container */
.imggen-progress-container {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
}

/* Actual progress bar */
.imggen-progress {
  position: absolute;
  top: 0;
  left: 0;
  height: var(--imggen-progress-height);
  background-color: var(--imggen-accent);
  transition: width 0.3s ease-in-out;
  z-index: 11; /* Ensure it appears above the overlay */
}

/* Version indicator text */
.imggen-version-indicator {
  font-size: var(--imggen-font-size);
  color: var(--imggen-text-color);
  transition: all 0.3s ease-in-out;
}

/* Version flash animation */
@keyframes version-flash {
  0% { 
    color: var(--imggen-text-color);
    transform: scale(1); 
  }
  30% { 
    color: var(--imggen-flash);
    transform: scale(1.3); 
    /* font-weight: bold; */
  }
  70% { 
    color: var(--imggen-flash);
    transform: scale(1.1);
    font-weight: bold;
  }
  100% { 
    color: var(--imggen-text-color);
    transform: scale(1);
  }
}

.imggen-version-flash {
  animation: version-flash 2s ease-in-out;
}

/* Regenerate spinner animation */
@keyframes regen-spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.imggen-regen-spinning {
  animation: regen-spin 2s linear infinite;
  display: inline-block;
}

/* Status text (e.g. Generating...) */
.imggen-status-text {
  width: 100%;
  text-align: center;
  font-size: var(--imggen-font-size);
  color: var(--imggen-text-color);
  opacity: 0.7;
  padding: 8px 0;
}

/* ---- Placeholders & Errors ---- */

/* Placeholder styling */
.imggen-placeholder {
  width: 100%;
  height: 100%;
  background-color: var(--imggen-background);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
}

/* Error container wrapper to ensure consistent dark background */
.imggen-error-container {
  background-color: #222;
  aspect-ratio: 1 / 1; /* Maintain square aspect ratio like images */
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 1rem;
  width: 100%;
  border-radius: var(--imggen-border-radius);
  overflow: hidden;
}

/* Error container */
.imggen-error {
  background-color: #000;
  color: var(--imggen-error-text);
  padding: 1.5rem;
  border-radius: var(--imggen-border-radius);
  border: 1px solid var(--imggen-error-border);
  box-shadow: var(--imggen-shadow);
  max-width: 80%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
}

/* Error title */
.imggen-error-title {
  color: var(--imggen-error-text);
  margin-top: 0;
  font-weight: bold;
  font-size: 18px;
  margin-bottom: 12px;
  text-align: center;
}

/* Error message */
.imggen-error-message {
  white-space: pre-wrap;
  color: var(--imggen-error-text-body);
  font-size: var(--imggen-font-size);
  line-height: var(--imggen-line-height);
  text-align: left;
  font-family: monospace, sans-serif;
  margin-bottom: 0;
}

/* Error display in full-screen backdrop */
.imggen-backdrop-error {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  box-sizing: border-box;
  background-color: #222; /* Dark gray background */
  /* aspect-ratio: 1 / 1; Maintain square aspect ratio like images */
  border-radius: var(--imggen-border-radius);
}

/* Delete confirmation overlay */
.imggen-delete-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.7);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 30;
  padding: 20px;
  text-align: center;
}

/* Delete confirmation message */
.imggen-delete-message {
  color: white;
  font-size: 16px;
  margin-bottom: 20px;
}

/* Delete confirmation button group */
.imggen-delete-buttons {
  display: flex;
  gap: 10px;
}

/* Delete confirmation button */
.imggen-delete-confirm {
  background-color: var(--imggen-error-border);
  color: white;
  border: none;
  padding: 8px 16px;
  border-radius: 4px;
  cursor: pointer;
}

/* Delete cancel button */
.imggen-delete-cancel {
  background-color: #555;
  color: white;
  border: none;
  padding: 8px 16px;
  border-radius: 4px;
  cursor: pointer;
}

/* Helper classes */
.imggen-truncate {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ---- Simple fullscreen backdrop ---- */
.imggen-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.9);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start; /* anchor to top to avoid vertical jump */
  padding-top: 5vh; /* give top breathing room */
  z-index: 9999;
  gap: 8px;
}

.imggen-backdrop-image {
  max-width: 90vw;
  max-height: 70vh;
  object-fit: contain;
  border-radius: var(--imggen-border-radius);
}

.imggen-backdrop .imggen-overlay {
  position: static;
  width: 100%;
  box-sizing: border-box; /* include padding in width */
  margin: 0;
  left: auto;
  right: auto;
  bottom: auto;
  background-color: var(--imggen-overlay-bg);
  backdrop-filter: blur(var(--imggen-blur-radius));
  border-radius: var(--imggen-border-radius);
}

/* Wrapper ensures overlay width matches image intrinsic width */
.imggen-full-wrapper {
  display: inline-block; /* shrink-wrap to content width */
  width: min(90vw, 70vh); /* Size proportional to viewport, matching backdrop-image constraints */
  aspect-ratio: 1 / 1; /* Maintain square aspect ratio like images */
}

/* ---- File Drop Component ---- */

.imggen-file-drop {
  padding: 1.5rem;
  border: 2px dashed #ccc;
  border-radius: 8px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s, background-color 0.2s;
  margin-bottom: 1rem;
}

.imggen-file-drop:hover {
  border-color: #999;
  background-color: rgba(0, 0, 0, 0.02);
}

.imggen-file-drop-active {
  border-color: #4a9df8;
  background-color: rgba(74, 157, 248, 0.05);
}

.imggen-file-drop-disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.imggen-file-drop-message {
  font-size: 0.95rem;
  color: #666;
}

/* Upload waiting state styles */
.imggen-upload-waiting {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.imggen-uploaded-previews {
  margin-bottom: 0.5rem;
}

.imggen-upload-count {
  font-size: 0.9rem;
  color: #555;
  margin-bottom: 0.5rem;
}

.imggen-thumbnails {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.imggen-thumbnail {
  width: 80px;
  height: 80px;
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid #ddd;
}

.imggen-thumbnail-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.imggen-thumbnail-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  background-color: #f5f5f5;
  color: #999;
  font-size: 0.8rem;
}

.imggen-more-count {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  background-color: rgba(0, 0, 0, 0.05);
  border-radius: 4px;
  color: #666;
  font-size: 0.9rem;
}

.imggen-no-uploads {
  color: #999;
  font-style: italic;
  font-size: 0.9rem;
}

.imggen-prompt-form {
  display: flex;
  gap: 0.5rem;
}

.imggen-prompt-input {
  flex: 1;
  padding: 0.75rem;
  border: 1px solid #ccc;
  border-radius: 4px;
  font-size: 0.95rem;
}

.imggen-prompt-submit {
  /* padding: 0.75rem 1.25rem; */
  background-color: #4a9df8;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-weight: 600;
  transition: background-color 0.2s;
}

.imggen-prompt-submit:hover {
  background-color: #3a8de8;
}

.imggen-prompt-submit:disabled {
  background-color: #ccc;
  cursor: not-allowed;
}

.fade-transition {
  animation: fadeOut 0.3s ease-in-out forwards;
}

@keyframes fadeOut {
  0% {
    opacity: 1;
  }
  100% {
    opacity: 0;
  }
}