:root{--color-bg-primary: #0f172a;--color-bg-secondary: #1e293b;--color-bg-tertiary: #334155;--color-accent-primary: #6366f1;--color-accent-hover: #4f46e5;--color-accent-text: #ffffff;--color-text-primary: #f8fafc;--color-text-secondary: #94a3b8;--color-text-muted: #64748b;--color-border: #1e293b;--color-overlay: rgba(0, 0, 0, .4);--space-xs: .25rem;--space-sm: .5rem;--space-md: 1rem;--space-lg: 1.5rem;--space-xl: 2rem;--font-family-base: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.25rem;--font-size-2xl: 1.5rem;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-full: 9999px;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-normal: .3s cubic-bezier(.4, 0, .2, 1);--transition-transform: transform .3s cubic-bezier(.4, 0, .2, 1)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family-base);background-color:var(--color-bg-primary);color:var(--color-text-primary);line-height:1.5;-webkit-font-smoothing:antialiased;height:100vh;overflow:hidden}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--color-bg-tertiary);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--color-text-muted)}input,textarea,button{font-family:inherit;font-size:inherit}.btn{display:inline-flex;align-items:center;justify-content:center;font-weight:500;border-radius:var(--radius-md);transition:all var(--transition-fast);cursor:pointer;border:none;gap:.5rem}.btn:disabled{opacity:.5;cursor:not-allowed}.btn:focus-visible{outline:2px solid var(--color-accent-primary);outline-offset:2px}.btn--primary{background-color:var(--color-accent-primary);color:var(--color-accent-text);box-shadow:var(--shadow-sm)}.btn--primary:hover:not(:disabled){background-color:var(--color-accent-hover);box-shadow:var(--shadow-lg)}.btn--secondary{background-color:var(--color-bg-tertiary);color:var(--color-text-primary)}.btn--secondary:hover:not(:disabled){background-color:var(--color-bg-secondary)}.btn--ghost{background-color:transparent;color:var(--color-text-secondary)}.btn--ghost:hover:not(:disabled){background-color:#ffffff0d;color:var(--color-text-primary)}.btn--icon{padding:.5rem;border-radius:var(--radius-full);color:var(--color-text-secondary);background-color:transparent}.btn--icon:hover:not(:disabled){background-color:#ffffff1a;color:var(--color-text-primary)}.btn--sm{font-size:var(--font-size-sm);padding:.25rem .75rem}.btn--md{font-size:var(--font-size-base);padding:.5rem 1rem}.btn--lg{font-size:var(--font-size-lg);padding:.75rem 1.5rem}.image-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:1rem;width:100%}.image-grid--single-col{grid-template-columns:1fr}.image-grid__item{position:relative;aspect-ratio:4/3;border-radius:var(--radius-md);overflow:hidden;cursor:default;transition:all var(--transition-normal)}.image-grid__item--interactive{cursor:pointer}.image-grid__item--interactive:hover{transform:scale(1.02)}.image-grid__item--selected{outline:4px solid var(--color-accent-primary);outline-offset:2px}.image-grid__img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}.image-grid__item--interactive:hover .image-grid__img{transform:scale(1.1)}.image-grid__overlay{position:absolute;inset:0;background-color:#0003;opacity:0;transition:opacity var(--transition-fast)}.image-grid__item--interactive:hover .image-grid__overlay,.image-grid__item--selected .image-grid__overlay{opacity:1}.image-grid__check{position:absolute;top:.5rem;right:.5rem;width:1.5rem;height:1.5rem;border-radius:50%;border:2px solid white;background-color:#0006;display:flex;align-items:center;justify-content:center}.image-grid__item--selected .image-grid__check{background-color:var(--color-accent-primary);border-color:var(--color-accent-primary)}.image-grid--single-col{grid-template-columns:1fr;padding:0 .5rem}.image-grid--single-col .image-grid__item{aspect-ratio:16/9}.chat-content{flex:1;overflow-y:auto;padding:2rem;scrollbar-width:none;-ms-overflow-style:none}.chat-content::-webkit-scrollbar{display:none}.stream-content{flex:1;overflow-y:auto;padding:1.5rem;scrollbar-width:none;-ms-overflow-style:none}.stream-content::-webkit-scrollbar{display:none}.stream-container{display:flex;flex-direction:column;height:100vh}.stream-header{position:sticky;top:0;z-index:10;background-color:var(--color-bg-primary);height:64px;padding:0 1rem;border-bottom:1px solid var(--color-border);display:flex;align-items:center;justify-content:space-between}.stream-content{flex:1;overflow-y:auto;padding:1.5rem}.right-sidebar{width:320px;background-color:var(--color-bg-primary);border-left:1px solid var(--color-border);display:flex;flex-direction:column;height:100%;flex-shrink:0}.chat-layout{display:flex;height:100vh;overflow:hidden}.chat-main{flex:1;display:flex;flex-direction:column;height:100%;position:relative;transition:margin-left .3s ease}.chat-main--shifted{margin-left:260px}.chat-header{height:64px;border-bottom:1px solid var(--color-border);display:flex;align-items:center;justify-content:space-between;padding:0 1rem;background-color:var(--color-bg-primary);box-sizing:border-box}.sidebar{position:fixed;top:0;left:0;height:100%;width:260px;background-color:var(--color-bg-secondary);border-right:1px solid var(--color-border);transform:translate(-100%);transition:transform .3s ease;z-index:20;display:flex;flex-direction:column}.sidebar--open{transform:translate(0)}.sidebar__header{height:64px;padding:0 1rem;border-bottom:1px solid var(--color-border);display:flex;align-items:center;justify-content:space-between;box-sizing:border-box}.sidebar__content{flex:1;overflow-y:auto;padding:.5rem;display:flex;flex-direction:column;gap:4px}.sidebar-item{padding:.75rem;border-radius:var(--radius-md);cursor:pointer;transition:background-color var(--transition-fast)}.sidebar-item:hover{background-color:#ffffff0d}.sidebar-item--active{background-color:var(--color-bg-tertiary)}.message-row{display:flex;width:100%;margin-bottom:3rem}.message-row--user{justify-content:flex-end}.message-row--ai{justify-content:flex-start}.message-content{display:flex;flex-direction:column;max-width:45rem}.message-row--user .message-content{align-items:flex-end}.message-row--user .image-grid{direction:rtl}.message-row--ai .message-content{align-items:flex-start}.message-bubble{padding:.75rem 1rem;border-radius:1rem;font-size:var(--font-size-base);line-height:1.6;box-shadow:var(--shadow-sm);word-break:break-word}.message-bubble--user{background-color:var(--color-accent-primary);color:#fff;border-bottom-right-radius:0}.message-bubble--ai{background-color:var(--color-bg-tertiary);color:var(--color-text-primary);border-bottom-left-radius:0}.message-time{font-size:var(--font-size-xs);color:var(--color-text-muted);margin-top:.25rem;opacity:.7}.input-area-wrapper{background-color:transparent;border-top:none;padding:0 2rem 2rem;position:relative;z-index:10}.input-area-container{max-width:48rem;margin:0 auto;background-color:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:1.75rem;display:flex;flex-direction:column;box-shadow:0 4px 20px #0003;transition:all var(--transition-fast)}.input-area-container:focus-within{border-color:var(--color-accent-primary);box-shadow:0 8px 25px #00000040;background-color:var(--color-bg-secondary)}.preview-list{display:flex;flex-wrap:nowrap;overflow-x:auto;gap:.75rem;padding:1rem 1.5rem 0;scrollbar-width:none}.preview-list::-webkit-scrollbar{display:none}.preview-item{position:relative;width:4rem;height:4rem;border-radius:var(--radius-md);overflow:hidden;border:1px solid var(--color-border);flex-shrink:0;transition:transform var(--transition-fast)}.preview-item:hover{transform:translateY(-2px);border-color:var(--color-accent-primary)}.preview-img{width:100%;height:100%;object-fit:cover}.preview-remove{position:absolute;top:2px;right:2px;background-color:#000000b3;color:#fff;width:1.25rem;height:1.25rem;border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .2s;cursor:pointer;border:none;padding:0}.preview-remove svg{width:12px;height:12px}.preview-item:hover .preview-remove{opacity:1}.input-controls{display:flex;align-items:flex-end;padding:.75rem 1rem;gap:.75rem}.input-textbox{flex:1;padding:.5rem 0;max-height:200px;overflow-y:auto;background:transparent;color:var(--color-text-primary);border:none;outline:none;resize:none;line-height:1.5}.input-textbox::placeholder{color:var(--color-text-muted)}.text-center{text-align:center}.text-muted{color:var(--color-text-muted)}.text-lg{font-size:var(--font-size-lg)}.font-bold{font-weight:700}.flex-1{flex:1}.bg-transparent{background-color:transparent}.w-full{width:100%}.mt-2{margin-top:.5rem}.mb-2{margin-bottom:.5rem}