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.15s}.chat-input:focus{border-color:var(--green-mid);background:var(--bg-main)}.chat-input::placeholder{color:#b0bfb8}.send-btn{width:42px;height:42px;border-radius:50%;border:none;background:#cce4d9;color:#a0c4b4;cursor:not-allowed;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all .15s}.send-btn.active{background:var(--green-mid);color:#fff;cursor:pointer}.send-btn.active:hover{background:var(--green-deep)}.send-btn.active:active{transform:scale(.94)}.usage-badge{font-size:11.5px;color:var(--green-mid);background:var(--green-light);padding:3px 10px;border-radius:12px;white-space:nowrap;flex-shrink:0}.auth-row{display:flex;align-items:center;gap:8px;margin-bottom:8px;flex-wrap:wrap}.signin-btn{background:none;border:1px solid rgba(255,255,255,.2);color:#fffc;padding:6px 12px;border-radius:8px;font-size:12px;cursor:pointer;font-family:var(--font);transition:background 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768px){.sidebar{position:fixed;top:0;left:0;height:100vh;height:100dvh;z-index:200;width:268px!important;min-width:268px!important;opacity:1!important;transform:translate(0);transition:transform .25s ease}.sidebar.closed{transform:translate(-268px)}.sidebar-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000073;z-index:199}.bubble{font-size:14px!important;max-width:88%!important;padding:10px 13px!important;line-height:1.65!important}.messages-area{padding:16px 12px!important;gap:14px!important}.input-area{padding:10px 12px!important}.chat-input{font-size:14px!important;padding:9px 14px!important}.welcome{padding:32px 16px 24px!important}.welcome h1{font-size:19px!important}.welcome p{font-size:13.5px!important}.welcome-icon{width:60px!important;height:60px!important}.chip{font-size:12px!important;padding:7px 12px!important}.main-header{padding:11px 14px!important}.usage-badge{font-size:10.5px!important;padding:2px 8px!important}.delete-btn{opacity:1!important;color:#ffffff73!important}.delete-btn:active{color:#ffffffe6!important}.paywall{padding:20px 16px!important}.paywall-icon{width:44px!important;height:44px!important;margin-bottom:10px!important}.paywall-title{font-size:14px!important}.paywall-sub{font-size:13px!important;margin-bottom:14px!important}}.update-banner{position:fixed;top:0;left:0;right:0;z-index:999;background:var(--green-deep);color:#fff;padding:10px 16px;display:flex;align-items:center;justify-content:center;gap:14px;font-size:13.5px;font-family:var(--font)}.update-btn{background:#fff;color:var(--green-deep);border:none;padding:5px 14px;border-radius:20px;font-size:12.5px;font-weight:600;cursor:pointer;font-family:var(--font);transition:opacity .12s}.update-btn:hover{opacity:.85}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000073;z-index:500;display:flex;align-items:center;justify-content:center;padding:20px}.modal{background:var(--modal-bg);border-radius:18px;padding:28px 24px 22px;max-width:340px;width:100%;text-align:center;box-shadow:0 20px 60px #0003;animation:modalIn .18s ease}@keyframes modalIn{0%{opacity:0;transform:scale(.94) translateY(8px)}to{opacity:1;transform:scale(1) translateY(0)}}.modal-icon{width:48px;height:48px;border-radius:50%;background:#fef2f2;display:flex;align-items:center;justify-content:center;margin:0 auto 14px;color:#dc2626}.modal-title{font-size:16px;font-weight:600;color:var(--text-primary);margin-bottom:8px}.modal-sub{font-size:13.5px;color:var(--text-secondary);line-height:1.6;margin-bottom:22px}.modal-buttons{display:flex;gap:10px}.modal-btn{flex:1;padding:10px;border-radius:12px;font-size:14px;font-weight:500;cursor:pointer;font-family:var(--font);transition:all .14s;border:none}.modal-btn.cancel{background:var(--green-light);color:var(--green-deep)}.modal-btn.cancel:hover{background:#c8e6d8}.modal-btn.delete{background:#dc2626;color:#fff}.modal-btn.delete:hover{background:#b91c1c}.settings-btn{display:flex;align-items:center;justify-content:center;gap:7px;background:#ffffff12;border:1px solid rgba(255,255,255,.12);color:#ffffffbf;font-size:13px;font-weight:500;font-family:var(--font);cursor:pointer;padding:9px 14px;border-radius:10px;margin-top:8px;width:100%;transition:all .14s;box-sizing:border-box}.settings-btn:hover{background:#ffffff21;color:#fff;border-color:#ffffff40}.settings-modal{max-width:380px;text-align:left;padding:0;overflow:hidden}.settings-header{display:flex;align-items:center;justify-content:space-between;padding:20px 20px 16px;border-bottom:1px solid var(--modal-border)}.settings-close{background:none;border:none;font-size:16px;color:var(--text-muted);cursor:pointer;padding:4px 8px;border-radius:6px;transition:color .12s}.settings-close:hover{color:var(--text-primary)}.settings-section{padding:14px 20px;border-bottom:1px solid var(--settings-section-border)}.settings-label{font-size:10.5px;font-weight:600;text-transform:uppercase;letter-spacing:.6px;color:var(--text-muted);margin-bottom:10px}.settings-row{display:flex;align-items:center;justify-content:space-between;padding:6px 0}.settings-row.clickable{cursor:pointer;border-radius:8px;padding:6px 4px;margin:0 -4px;transition:background .12s}.settings-row.clickable:hover{background:var(--settings-row-hover)}.settings-row-label{font-size:14px;color:var(--text-primary)}.settings-row-value{font-size:13px;color:var(--text-secondary)}.settings-row-value.green{color:var(--green-mid)}.settings-action{background:var(--green-light);color:var(--green-deep);border:none;padding:5px 12px;border-radius:8px;font-size:12.5px;font-weight:500;cursor:pointer;font-family:var(--font);display:flex;align-items:center;gap:5px;transition:opacity .12s}.settings-action:disabled{opacity:.6;cursor:default}.settings-action.green{background:var(--green-mid);color:#fff}.signout-btn{width:calc(100% - 40px);margin:14px 20px;padding:10px;border-radius:10px;border:1px solid #fee2e2;background:#fef2f2;color:#dc2626;font-size:14px;font-weight:500;cursor:pointer;font-family:var(--font);transition:background .12s}.signout-btn:hover{background:#fee2e2}.messages-wrapper{flex:1;position:relative;display:flex;flex-direction:column;min-height:0}.messages-wrapper .messages-area{flex:1;overflow-y:auto}.scroll-btn{position:absolute;bottom:16px;right:16px;width:46px;height:46px;border-radius:50%;background:var(--green-mid);color:#fff;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 12px #0050324d;z-index:10;transition:background .14s,transform .14s;animation:fadeUp .18s ease}.scroll-btn:hover{background:var(--green-deep);transform:scale(1.05)}.scroll-btn svg{width:20px;height:20px}.theme-toggle{display:flex;gap:4px;background:var(--bg-input-field);border-radius:10px;padding:3px}.theme-btn{padding:5px 12px;border-radius:8px;border:none;background:none;color:var(--text-secondary);font-size:12.5px;font-family:var(--font);cursor:pointer;transition:all .14s}.theme-btn.active{background:var(--green-mid);color:#fff;font-weight:500}.history-toolbar{display:flex;align-items:center;justify-content:space-between;padding:0 8px 8px;min-height:26px}.edit-btn{display:flex;align-items:center;gap:5px;background:none;border:none;color:#ffffff73;font-size:11.5px;font-family:var(--font);cursor:pointer;padding:3px 6px;border-radius:6px;margin-left:auto;transition:color .12s,background .12s}.edit-btn:hover{color:#ffffffd9;background:#ffffff14}.toolbar-count{color:#ffffff8c;font-size:11.5px}.toolbar-actions{display:flex;gap:6px;align-items:center}.toolbar-delete{background:#dc2626;border:none;color:#fff;font-size:11.5px;font-weight:500;font-family:var(--font);padding:4px 10px;border-radius:7px;cursor:pointer;transition:background .12s}.toolbar-delete:hover{background:#b91c1c}.toolbar-cancel{background:none;border:none;color:#fff9;font-size:11.5px;font-family:var(--font);cursor:pointer;padding:4px 6px;transition:color .12s}.toolbar-cancel:hover{color:#fff}.conv-check{width:17px;height:17px;border-radius:50%;border:1.5px solid rgba(255,255,255,.3);background:none;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all .14s;color:#fff}.conv-check.checked{background:var(--green-mid);border-color:var(--green-mid)}.history-item.selected{background:#1d9e752e!important}@media (max-width: 768px){.delete-btn{display:none!important}}