:root{--bg-color: #131314;--sidebar-bg: #1e1f20;--text-color: #e3e3e3;--text-secondary: #949494;--input-bg: #1e1f20;--hover-bg: #2a2b2d;--accent-color: #a8c7fa;--border-color: #444746;--user-msg-bg: #2a2b2d;--bot-msg-bg: transparent;--font-family: "Google Sans", "Helvetica Neue", sans-serif;--mat-sys-on-surface: #e3e3e3;--mat-focus-indicator-border-width: 1px;--mat-option-label-text-font: "Google Sans", sans-serif;--mat-option-label-text-size: 1rem;--mat-option-label-text-line-height: 1.25rem;--mat-bottom-sheet-container-shape: 28px;--mat-button-toggle-shape: 28px;--mat-button-toggle-height: 40px;--mat-expansion-container-shape: 12px;--mat-sidenav-container-shape: 16px;--mat-sidenav-container-width: 360px;--mat-button-filled-container-shape: 9999px;--mat-button-filled-container-height: 40px;--mat-button-outlined-container-shape: 9999px;--mat-button-outlined-container-height: 40px;--mat-button-text-container-shape: 9999px;--mat-button-text-container-height: 40px;--mat-button-tonal-container-shape: 9999px;--mat-button-tonal-container-height: 40px;--mat-card-elevated-container-shape: 12px;--mat-card-filled-container-shape: 12px;--mat-card-outlined-container-shape: 12px;--mat-form-field-container-height: 56px;--mat-form-field-filled-container-shape: 4px;--mat-form-field-outlined-container-shape: 4px}body{margin:0;padding:0;background-color:var(--bg-color);color:var(--text-color);font-family:var(--font-family);min-height:100vh;display:flex;flex-direction:column}#root{width:100%;height:100vh}.gemini-container{display:flex;height:100vh;overflow:hidden;background-color:var(--bg-color)}.sidebar{background-color:var(--bg-color);display:flex;flex-direction:column;padding:12px;box-sizing:border-box;flex-shrink:0;justify-content:space-between;transition:width .3s cubic-bezier(.4,0,.2,1);height:100vh;z-index:1000}@media(min-width:769px){.sidebar{width:72px}.sidebar.open{width:300px;background-color:var(--bg-color)}.sidebar:not(.open) .new-chat-btn span,.sidebar:not(.open) .recent-chats,.sidebar:not(.open) .nav-item span,.sidebar:not(.open) .section-title{display:none;opacity:0}.sidebar:not(.open) .new-chat-btn{width:40px;height:40px;padding:0;justify-content:center;border-radius:50%;background-color:transparent;color:var(--text-secondary)}.sidebar:not(.open) .new-chat-btn:hover{background-color:var(--hover-bg);color:var(--text-color)}.sidebar:not(.open) .nav-item{justify-content:center;padding:10px 0}.sidebar:not(.open) .menu-icon{margin:0 auto}}@media(max-width:768px){.sidebar{position:fixed;top:0;left:0;bottom:0;width:280px;transform:translate(-100%);background-color:var(--sidebar-bg)}.sidebar.open{transform:translate(0);box-shadow:4px 0 24px #00000080}}.sidebar-top{display:flex;flex-direction:column;gap:20px}.menu-icon{font-size:24px;padding:12px;cursor:pointer;color:var(--text-color);width:fit-content;border-radius:50%;display:flex;align-items:center;justify-content:center}.menu-icon:hover{background-color:var(--hover-bg)}.new-chat-btn{background-color:#1e1f20;color:#e3e3e3;border-radius:20px;padding:10px 16px;display:flex;align-items:center;gap:12px;cursor:pointer;width:fit-content;min-width:40px;font-size:14px;font-weight:500;transition:all .2s ease;white-space:nowrap}.new-chat-btn:hover{background-color:#333537;color:#fff}.plus-icon{font-size:20px;color:inherit}.nav-items{display:flex;flex-direction:column;gap:4px}.nav-item{display:flex;align-items:center;gap:16px;padding:10px 16px;border-radius:20px;cursor:pointer;font-size:14px;color:var(--text-color);transition:background-color .2s;white-space:nowrap}.nav-item:hover{background-color:var(--hover-bg)}.nav-item svg{font-size:20px;min-width:20px}.sidebar-bottom{margin-top:auto}.main-content{flex:1;display:flex;flex-direction:column;background-color:var(--bg-color);position:relative;border-radius:0}@media(min-width:769px){.main-content{border-radius:24px;margin:10px 10px 10px 0;background-color:#131314}}.main-header{display:flex;justify-content:space-between;align-items:center;padding:10px 20px;height:64px}.header-left{display:flex;align-items:center;gap:8px;cursor:pointer;padding:8px;border-radius:8px}.header-left:hover{background-color:var(--hover-bg)}.gemini-text{font-size:22px;color:var(--text-color);font-weight:400;letter-spacing:-.5px}.chevron{font-size:12px;color:var(--text-color);opacity:.7}.header-right{display:flex;align-items:center;gap:12px}.upgrade-btn{background:#1e1f20;border:none;color:var(--text-color);padding:10px 16px;border-radius:8px;font-size:12px;font-weight:500;cursor:pointer;display:flex;align-items:center;gap:8px;transition:background-color .2s}.upgrade-btn:hover{background-color:#333537}.star-icon{color:#f4b400;font-size:16px}.profile-icon{width:32px;height:32px;background-color:#0b57d0;color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px;cursor:pointer}.chat-area{flex:1;display:flex;flex-direction:column;overflow-y:auto;align-items:center;padding-bottom:20px;scrollbar-width:thin;scrollbar-color:#444 var(--bg-color)}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;width:100%;max-width:800px;margin-top:10vh;padding:0 20px}.greeting{font-size:56px;font-weight:500;margin-bottom:40px;background:linear-gradient(90deg,#4285f4,#9b72cb,#d96570);-webkit-background-clip:text;background-clip:text;color:transparent;letter-spacing:-1px}.input-container-wrapper{width:100%;display:flex;justify-content:center;padding-bottom:20px;background-color:var(--bg-color)}.input-container{width:100%;max-width:800px;position:relative;padding:0 20px}.input-box-container{background-color:#1e1f20;border-radius:28px;padding:12px;display:flex;flex-direction:column;gap:8px;transition:background-color .2s;border:1px solid transparent}.input-box-container:focus-within{background-color:#2a2b2d;border-color:#444}.input-box-header{display:flex;align-items:center}.main-input{width:100%;background:transparent;border:none;color:var(--text-color);font-size:16px;font-family:inherit;outline:none;padding:10px;resize:none}.input-box-content{display:flex;justify-content:space-between;align-items:center}.input-tools{display:flex;align-items:center;gap:8px}.tool-btn{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--text-color);transition:background-color .2s}.tool-btn:hover{background-color:#333537}.plus-btn{background-color:#2a2b2d}.input-status{display:flex;align-items:center;gap:12px}.send-btn{background:transparent;border:none;color:var(--text-color);font-size:24px;cursor:pointer;display:flex;align-items:center;justify-content:center;padding:8px;border-radius:50%;transition:background-color .2s}.send-btn:hover{background-color:#333537}.suggestion-pills{display:flex;gap:12px;margin-top:30px;flex-wrap:wrap;justify-content:center}.pill{background-color:#1e1f20;border:1px solid #444;color:#e3e3e3;padding:12px 24px;border-radius:100px;font-size:14px;cursor:pointer;display:flex;align-items:center;gap:10px;transition:background-color .2s}.pill:hover{background-color:#2a2b2d}.pill-icon{font-size:18px}.pill-icon.yellow{color:#f4b400}.messages-list{display:flex;flex-direction:column;width:100%;max-width:800px;margin:0 auto;padding:20px;gap:24px}.message-row{display:flex;width:100%}.message-content{display:flex;gap:16px;width:100%;align-items:flex-start}.bot-avatar{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0;color:#4285f4;font-size:20px;margin-top:4px}.message-bubble{flex:1;line-height:1.6;font-size:16px;color:var(--text-color)}.user .message-bubble{background-color:var(--user-msg-bg);padding:12px 20px;border-radius:20px 4px 20px 20px;max-width:80%;margin-left:auto}.user .message-content{flex-direction:row-reverse}.bot .message-bubble{background:transparent;padding:0;margin-top:4px}.reasoning-block{background-color:#2a2b2d;padding:12px;border-radius:8px;margin-bottom:12px;border-left:3px solid #9b72cb;font-size:.9em;color:#ccc}.reasoning-label{font-weight:700;color:#9b72cb;margin-bottom:5px;font-size:.85em;text-transform:uppercase;letter-spacing:.5px}.chat-item{display:flex;justify-content:space-between;align-items:center;padding:10px 15px;cursor:pointer;border-radius:20px;margin-bottom:2px;color:var(--text-color);font-size:14px;height:36px}.chat-item:hover,.chat-item.active{background-color:#282a2c}.chat-title{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:180px}.delete-icon{opacity:0;transition:opacity .2s;color:var(--text-secondary);font-size:16px}.delete-icon:hover{color:#d96570}.chat-item:hover .delete-icon{opacity:1}.recent-chats{flex:1;overflow-y:auto;margin-top:20px;padding-right:4px}.section-title{font-size:12px;font-weight:500;color:var(--text-secondary);margin-left:16px;margin-bottom:12px;display:block}.upload-menu{position:absolute;bottom:100%;left:0;background-color:#2a2b2d;border-radius:12px;padding:8px;display:flex;flex-direction:column;gap:4px;box-shadow:0 4px 12px #0000004d;z-index:100;min-width:160px;margin-bottom:8px}.upload-menu-item{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:8px;cursor:pointer;font-size:14px;color:var(--text-color)}.upload-menu-item:hover{background-color:#3c4043}@media(max-width:768px){.mobile-menu-icon{display:block;font-size:24px;margin-right:10px;cursor:pointer;color:var(--text-color)}.sidebar-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#00000080;z-index:999}.greeting{font-size:36px;margin-bottom:20px;text-align:center}.main-header{padding:10px 15px}.chat-area{padding-left:10px;padding-right:10px}.user .message-bubble{max-width:90%}.input-container{padding:0 10px}}@media(min-width:769px){.mobile-menu-icon,.sidebar-overlay{display:none}}