feat: Initial release of Imagen - AI Image Generation Tool

A client-side AI image generation tool using OpenRouter API.

Features:
- Multi-model support (Gemini, GPT-5, Flux 2, Seedream, Riverflow)
- Unlimited reference image uploads with drag & drop
- IndexedDB storage for persistent image gallery
- Adjustable resolution (1K/2K/4K) and aspect ratios
- Batch generation (up to 8 images)
- Custom styled dropdown for model selection
- Gallery with delete functionality on hover
- Full image modal with metadata and recreate option
- XSS protection with input sanitization

Tech Stack:
- Pure HTML/CSS/JavaScript (no dependencies)
- IndexedDB for image persistence
- OpenRouter API integration

License: GPL-3.0
This commit is contained in:
Yusuf İpek
2026-01-20 22:16:37 +03:00
commit 45f09260f9
6 changed files with 2134 additions and 0 deletions
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/* ===== CSS Variables ===== */
:root {
--bg-primary: #0a0a0a;
--bg-secondary: #111111;
--bg-tertiary: #1a1a1a;
--bg-card: #141414;
--bg-hover: #222222;
--text-primary: #ffffff;
--text-secondary: #a0a0a0;
--text-muted: #666666;
--accent-primary: #ffffff;
--accent-secondary: #cccccc;
--accent-glow: rgba(255, 255, 255, 0.15);
--success: #10b981;
--warning: #f59e0b;
--error: #ef4444;
--border-color: rgba(255, 255, 255, 0.1);
--border-radius: 12px;
--border-radius-sm: 8px;
--border-radius-lg: 16px;
--shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.5);
--shadow-md: 0 4px 16px rgba(0, 0, 0, 0.6);
--shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.7);
--transition-fast: 150ms ease;
--transition-normal: 250ms ease;
--transition-slow: 400ms ease;
--sidebar-width: 320px;
}
/* ===== Reset & Base ===== */
*,
*::before,
*::after {
margin: 0;
padding: 0;
box-sizing: border-box;
}
html {
font-size: 16px;
scroll-behavior: smooth;
}
body {
font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
background: var(--bg-primary);
color: var(--text-primary);
line-height: 1.6;
min-height: 100vh;
overflow-x: hidden;
}
/* ===== App Container ===== */
.app-container {
display: flex;
min-height: 100vh;
}
/* ===== Sidebar ===== */
.sidebar {
width: var(--sidebar-width);
background: var(--bg-secondary);
border-right: 1px solid var(--border-color);
padding: 24px;
display: flex;
flex-direction: column;
gap: 24px;
overflow-y: auto;
position: fixed;
top: 0;
left: 0;
height: 100vh;
}
.sidebar-header {
text-align: center;
padding-bottom: 20px;
border-bottom: 1px solid var(--border-color);
}
.logo {
font-size: 1.75rem;
font-weight: 700;
color: var(--text-primary);
}
.logo-subtitle {
display: block;
font-size: 0.75rem;
color: var(--text-muted);
text-transform: uppercase;
letter-spacing: 2px;
margin-top: 4px;
}
/* ===== Reference Section ===== */
.reference-section h3,
.config-section h3 {
font-size: 0.85rem;
font-weight: 600;
color: var(--text-secondary);
text-transform: uppercase;
letter-spacing: 0.5px;
margin-bottom: 12px;
}
.reference-slots {
display: flex;
flex-wrap: wrap;
gap: 8px;
margin-bottom: 12px;
min-height: 70px;
padding: 8px;
border-radius: var(--border-radius-sm);
border: 2px dashed transparent;
transition: all var(--transition-fast);
}
.reference-slots.drag-over {
background: var(--accent-glow);
border-color: var(--accent-primary);
}
.reference-count {
font-size: 0.75rem;
color: var(--text-muted);
margin-bottom: 8px;
display: block;
}
.reference-slot {
width: 80px;
height: 80px;
border-radius: var(--border-radius-sm);
border: 2px dashed var(--border-color);
display: flex;
align-items: center;
justify-content: center;
cursor: pointer;
position: relative;
overflow: hidden;
transition: all var(--transition-fast);
background: var(--bg-tertiary);
flex-shrink: 0;
}
.reference-slot.add-new {
border-style: dashed;
}
.reference-slot:hover {
border-color: var(--accent-primary);
background: var(--bg-hover);
}
.reference-slot.empty .slot-label {
font-size: 0.6rem;
color: var(--text-muted);
text-align: center;
padding: 2px;
}
.reference-slot.filled {
border-style: solid;
border-color: var(--accent-primary);
}
.reference-slot img {
width: 100%;
height: 100%;
object-fit: cover;
}
.reference-slot .remove-ref {
position: absolute;
top: 2px;
right: 2px;
width: 16px;
height: 16px;
border-radius: 50%;
background: var(--error);
color: white;
border: none;
cursor: pointer;
display: flex;
align-items: center;
justify-content: center;
font-size: 10px;
font-weight: bold;
opacity: 0;
transition: opacity var(--transition-fast);
z-index: 10;
}
.reference-slot.filled:hover .remove-ref {
opacity: 1;
}
.reference-input {
position: absolute;
inset: 0;
opacity: 0;
cursor: pointer;
}
/* ===== Config Sections ===== */
.config-section {
display: flex;
flex-direction: column;
}
/* ===== Custom Select Dropdown ===== */
.custom-select {
position: relative;
width: 100%;
}
.custom-select-trigger {
width: 100%;
padding: 12px 16px;
background: var(--bg-tertiary);
border: 1px solid var(--border-color);
border-radius: var(--border-radius-sm);
color: var(--text-primary);
font-size: 0.9rem;
font-weight: 500;
cursor: pointer;
transition: all var(--transition-fast);
display: flex;
align-items: center;
justify-content: space-between;
}
.custom-select-trigger:hover {
border-color: var(--accent-primary);
background-color: var(--bg-hover);
}
.custom-select.open .custom-select-trigger {
border-color: var(--accent-primary);
box-shadow: 0 0 0 3px var(--accent-glow);
}
.custom-select-arrow {
color: var(--accent-primary);
font-size: 0.8rem;
transition: transform var(--transition-fast);
}
.custom-select.open .custom-select-arrow {
transform: rotate(180deg);
}
.custom-select-options {
position: absolute;
top: calc(100% + 4px);
left: 0;
right: 0;
background: var(--bg-secondary);
border: 1px solid var(--border-color);
border-radius: var(--border-radius-sm);
box-shadow: var(--shadow-lg);
z-index: 100;
max-height: 0;
overflow: hidden;
opacity: 0;
transition: all var(--transition-fast);
}
.custom-select.open .custom-select-options {
max-height: 300px;
opacity: 1;
overflow-y: auto;
}
.custom-select-option {
padding: 12px 16px;
color: var(--text-secondary);
cursor: pointer;
transition: all var(--transition-fast);
font-size: 0.9rem;
}
.custom-select-option:hover {
background: var(--bg-hover);
color: var(--text-primary);
}
.custom-select-option.selected {
background: var(--accent-primary);
color: #000000;
}
/* ===== Button Toggle Group ===== */
.button-group {
display: flex;
gap: 8px;
}
.btn-toggle {
flex: 1;
padding: 10px 16px;
background: var(--bg-tertiary);
border: 1px solid var(--border-color);
border-radius: var(--border-radius-sm);
color: var(--text-secondary);
font-size: 0.85rem;
font-weight: 500;
cursor: pointer;
transition: all var(--transition-fast);
}
.btn-toggle:hover {
background: var(--bg-hover);
color: var(--text-primary);
}
.btn-toggle.active {
background: var(--accent-primary);
border-color: var(--accent-primary);
color: #000000;
}
/* ===== Aspect Ratio Grid ===== */
.aspect-grid {
display: grid;
grid-template-columns: repeat(3, 1fr);
gap: 8px;
}
.btn-aspect {
padding: 8px 12px;
background: var(--bg-tertiary);
border: 1px solid var(--border-color);
border-radius: var(--border-radius-sm);
color: var(--text-secondary);
font-size: 0.8rem;
font-weight: 500;
cursor: pointer;
transition: all var(--transition-fast);
}
.btn-aspect:hover {
background: var(--bg-hover);
color: var(--text-primary);
}
.btn-aspect.active {
background: var(--accent-primary);
border-color: var(--accent-primary);
color: #000000;
}
/* ===== Number Input ===== */
.number-input-group {
display: flex;
align-items: center;
gap: 8px;
}
.btn-number {
width: 40px;
height: 40px;
border-radius: var(--border-radius-sm);
background: var(--bg-tertiary);
border: 1px solid var(--border-color);
color: var(--text-primary);
font-size: 1.25rem;
cursor: pointer;
transition: all var(--transition-fast);
}
.btn-number:hover {
background: var(--bg-hover);
border-color: var(--accent-primary);
}
.number-input {
flex: 1;
text-align: center;
padding: 10px;
background: var(--bg-tertiary);
border: 1px solid var(--border-color);
border-radius: var(--border-radius-sm);
color: var(--text-primary);
font-size: 1rem;
font-weight: 600;
-moz-appearance: textfield;
appearance: textfield;
}
/* Hide number input spinners */
.number-input::-webkit-outer-spin-button,
.number-input::-webkit-inner-spin-button {
-webkit-appearance: none;
margin: 0;
}
.number-input:focus {
outline: none;
border-color: var(--accent-primary);
}
/* ===== Text Input ===== */
.text-input {
width: 100%;
padding: 12px 16px;
background: var(--bg-tertiary);
border: 1px solid var(--border-color);
border-radius: var(--border-radius-sm);
color: var(--text-primary);
font-size: 0.9rem;
transition: all var(--transition-fast);
margin-bottom: 8px;
}
.text-input:focus {
outline: none;
border-color: var(--accent-primary);
box-shadow: 0 0 0 3px var(--accent-glow);
}
.text-input::placeholder {
color: var(--text-muted);
}
/* ===== Buttons ===== */
.btn {
display: inline-flex;
align-items: center;
justify-content: center;
gap: 8px;
padding: 12px 20px;
border-radius: var(--border-radius-sm);
font-size: 0.9rem;
font-weight: 500;
cursor: pointer;
transition: all var(--transition-fast);
border: none;
}
.btn-primary {
background: var(--accent-primary);
color: #000000;
box-shadow: 0 4px 12px var(--accent-glow);
}
.btn-primary:hover {
transform: translateY(-2px);
box-shadow: 0 6px 20px var(--accent-glow);
background: var(--accent-secondary);
}
.btn-primary:active {
transform: translateY(0);
}
.btn-primary:disabled {
opacity: 0.5;
cursor: not-allowed;
transform: none;
}
.btn-secondary {
background: var(--bg-tertiary);
border: 1px solid var(--border-color);
color: var(--text-primary);
}
.btn-secondary:hover {
background: var(--bg-hover);
border-color: var(--accent-primary);
}
.btn-ghost {
background: transparent;
border: 1px solid var(--border-color);
color: var(--text-secondary);
padding: 8px 16px;
font-size: 0.8rem;
}
.btn-ghost:hover {
background: var(--bg-hover);
color: var(--text-primary);
}
/* ===== Main Content ===== */
.main-content {
flex: 1;
margin-left: var(--sidebar-width);
padding: 24px;
display: flex;
flex-direction: column;
gap: 24px;
}
/* ===== Prompt Area ===== */
.prompt-area {
position: sticky;
top: 0;
z-index: 10;
background: var(--bg-primary);
padding-bottom: 16px;
}
.prompt-container {
background: var(--bg-secondary);
border: 1px solid var(--border-color);
border-radius: var(--border-radius-lg);
padding: 16px;
box-shadow: var(--shadow-md);
}
.prompt-container textarea {
width: 100%;
background: transparent;
border: none;
color: var(--text-primary);
font-size: 1rem;
font-family: inherit;
resize: none;
min-height: 80px;
}
.prompt-container textarea:focus {
outline: none;
}
.prompt-container textarea::placeholder {
color: var(--text-muted);
}
.prompt-actions {
display: flex;
align-items: center;
justify-content: space-between;
margin-top: 12px;
padding-top: 12px;
border-top: 1px solid var(--border-color);
}
.char-count {
font-size: 0.8rem;
color: var(--text-muted);
}
.btn-icon {
font-size: 1rem;
}
/* ===== Loading ===== */
.loading-container {
display: flex;
align-items: center;
justify-content: center;
gap: 12px;
padding: 24px;
background: var(--bg-secondary);
border-radius: var(--border-radius);
margin-top: 16px;
}
.loading-spinner {
width: 24px;
height: 24px;
border: 3px solid var(--border-color);
border-top-color: var(--accent-primary);
border-radius: 50%;
animation: spin 1s linear infinite;
}
@keyframes spin {
to {
transform: rotate(360deg);
}
}
.loading-text {
color: var(--text-secondary);
font-size: 0.9rem;
}
/* ===== Gallery ===== */
.gallery-header {
display: flex;
align-items: center;
justify-content: space-between;
}
.gallery-header h2 {
font-size: 1.25rem;
font-weight: 600;
}
.gallery {
display: grid;
grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
gap: 20px;
flex: 1;
align-items: start;
}
.gallery-empty {
grid-column: 1 / -1;
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
padding: 80px 20px;
background: var(--bg-secondary);
border-radius: var(--border-radius-lg);
border: 2px dashed var(--border-color);
}
.empty-icon {
font-size: 4rem;
margin-bottom: 16px;
opacity: 0.5;
}
.gallery-empty p {
color: var(--text-secondary);
font-size: 1rem;
}
.gallery-empty .empty-hint {
color: var(--text-muted);
font-size: 0.85rem;
margin-top: 4px;
}
/* ===== Image Card ===== */
.image-card {
background: var(--bg-card);
border-radius: var(--border-radius);
overflow: hidden;
border: 1px solid var(--border-color);
transition: all var(--transition-normal);
cursor: pointer;
position: relative;
}
.image-card:hover {
transform: translateY(-4px);
box-shadow: var(--shadow-lg);
border-color: var(--accent-primary);
}
.image-card img {
width: 100%;
height: auto;
display: block;
}
.image-card-overlay {
position: absolute;
inset: 0;
background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, transparent 50%);
opacity: 0;
transition: opacity var(--transition-fast);
display: flex;
flex-direction: column;
justify-content: flex-end;
padding: 16px;
}
.image-card:hover .image-card-overlay {
opacity: 1;
}
.image-card-delete {
position: absolute;
top: 10px;
right: 10px;
width: 32px;
height: 32px;
border-radius: 50%;
background: rgba(0, 0, 0, 0.7);
border: 1px solid rgba(255, 255, 255, 0.2);
color: white;
font-size: 16px;
cursor: pointer;
display: flex;
align-items: center;
justify-content: center;
opacity: 0;
transition: all var(--transition-fast);
z-index: 10;
}
.image-card:hover .image-card-delete {
opacity: 1;
}
.image-card-delete:hover {
background: var(--error);
border-color: var(--error);
transform: scale(1.1);
}
.image-card-prompt {
font-size: 0.8rem;
color: var(--text-primary);
display: -webkit-box;
-webkit-line-clamp: 2;
line-clamp: 2;
-webkit-box-orient: vertical;
overflow: hidden;
margin-bottom: 8px;
}
.image-card-meta {
display: flex;
gap: 8px;
flex-wrap: wrap;
}
.meta-tag {
font-size: 0.7rem;
padding: 4px 8px;
background: rgba(0, 0, 0, 0.8);
border-radius: 4px;
color: #fff;
backdrop-filter: blur(4px);
}
/* ===== Modal ===== */
.modal {
position: fixed;
inset: 0;
z-index: 100;
display: flex;
align-items: center;
justify-content: center;
opacity: 0;
visibility: hidden;
transition: all var(--transition-normal);
}
.modal.active {
opacity: 1;
visibility: visible;
}
.modal-overlay {
position: absolute;
inset: 0;
background: rgba(0, 0, 0, 0.85);
backdrop-filter: blur(8px);
}
.modal-content {
position: relative;
max-width: 90vw;
max-height: 90vh;
background: var(--bg-secondary);
border-radius: var(--border-radius-lg);
padding: 24px;
display: flex;
flex-direction: column;
gap: 16px;
transform: scale(0.95);
transition: transform var(--transition-normal);
}
.modal.active .modal-content {
transform: scale(1);
}
.modal-close {
position: absolute;
top: 16px;
right: 16px;
width: 36px;
height: 36px;
border-radius: 50%;
background: var(--bg-tertiary);
border: 1px solid var(--border-color);
color: var(--text-primary);
font-size: 1.5rem;
cursor: pointer;
display: flex;
align-items: center;
justify-content: center;
transition: all var(--transition-fast);
z-index: 10;
}
.modal-close:hover {
background: var(--error);
}
#modalImage {
max-width: 100%;
max-height: 60vh;
object-fit: contain;
border-radius: var(--border-radius);
}
.modal-actions {
display: flex;
gap: 12px;
justify-content: center;
flex-wrap: wrap;
}
.modal-metadata {
background: var(--bg-tertiary);
border-radius: var(--border-radius-sm);
padding: 16px;
font-size: 0.85rem;
color: var(--text-secondary);
}
.modal-metadata p {
margin-bottom: 8px;
}
.modal-metadata p:last-child {
margin-bottom: 0;
}
.modal-metadata strong {
color: var(--text-primary);
}
/* ===== Scrollbar ===== */
::-webkit-scrollbar {
width: 8px;
}
::-webkit-scrollbar-track {
background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
background: #333;
border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
background: #444;
}
/* ===== Toast Notifications ===== */
.toast-container {
position: fixed;
bottom: 24px;
right: 24px;
z-index: 200;
display: flex;
flex-direction: column;
gap: 12px;
}
.toast {
padding: 16px 20px;
background: var(--bg-secondary);
border: 1px solid var(--border-color);
border-radius: var(--border-radius-sm);
box-shadow: var(--shadow-lg);
animation: slideIn 0.3s ease;
display: flex;
align-items: center;
gap: 12px;
}
.toast.success {
border-left: 4px solid var(--success);
}
.toast.error {
border-left: 4px solid var(--error);
}
.toast.warning {
border-left: 4px solid var(--warning);
}
@keyframes slideIn {
from {
transform: translateX(100%);
opacity: 0;
}
to {
transform: translateX(0);
opacity: 1;
}
}
/* ===== Responsive ===== */
@media (max-width: 1024px) {
.sidebar {
width: 280px;
}
.main-content {
margin-left: 280px;
}
}
@media (max-width: 768px) {
.app-container {
flex-direction: column;
}
.sidebar {
position: relative;
width: 100%;
height: auto;
padding: 16px;
}
.main-content {
margin-left: 0;
}
.reference-slots {
grid-template-columns: repeat(3, 1fr);
}
.gallery {
grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
}
}