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svg{transform:rotate(30deg)scale(1.1)}.header-icon-btn:active{background:var(--bg-active);transform:scale(.93)}.chat-area{flex-direction:column;flex:1;gap:6px;padding:12px 0;display:flex;overflow-y:auto}.chat-area-inner{flex-direction:column;gap:10px;width:100%;max-width:960px;margin:0 auto;padding:0 20px;display:flex}.chat-empty{color:var(--text-tertiary);text-align:center;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:16px;max-width:600px;margin:0 auto;padding:40px 20px;display:flex}.chat-empty-badge{color:#1a73e8;background:linear-gradient(135deg,#4285f426 0%,#9b72cb26 50%,#10a37f26 100%);border:1px solid #4285f44d;border-radius:50%;justify-content:center;align-items:center;width:58px;height:58px;display:flex;box-shadow:0 0 28px 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var(--transition-fast)}.lightbox-overlay{z-index:2000;cursor:pointer;-webkit-tap-highlight-color:transparent;background:#000000e6;justify-content:center;align-items:center;animation:.15s ease-out modal-fade-in;display:flex;position:fixed;inset:0}.lightbox-img{object-fit:contain;border-radius:var(--radius-sm);-webkit-user-select:none;user-select:none;touch-action:none;cursor:default;max-width:95vw;max-height:90vh}.chat-input-area{border-top:1px solid var(--border-subtle);z-index:10;background:0 0;flex-shrink:0;padding:12px 20px 20px;position:relative}.chat-input-model-row{align-items:center;gap:8px;width:100%;max-width:840px;margin:0 auto 6px;padding:0 4px;display:flex}.chat-input-wrap{background:var(--bg-surface);-webkit-backdrop-filter:blur(16px);border:1px solid var(--border-default);border-radius:var(--radius-lg);width:100%;max-width:840px;min-height:56px;box-shadow:var(--shadow-md);transition:border-color var(--transition-fast), box-shadow var(--transition-fast), background 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#0000000d}.settings-official-row{transition:background var(--transition-fast);justify-content:space-between;align-items:center;gap:16px;padding:16px 20px;display:flex}.settings-official-row+.settings-official-row{border-top:1px solid var(--border-subtle)}.settings-official-info{flex-direction:column;flex:1;gap:4px;display:flex}.settings-official-label{color:var(--text-primary);font-size:14px;font-weight:500}.settings-official-desc{color:var(--text-tertiary);font-size:12px;line-height:1.45}.settings-official-desc.email-text{color:var(--text-secondary);font-family:var(--font-mono);font-size:12.5px}.btn-google-upgrade{color:#fff;font-size:13px;font-weight:500;font-family:var(--font-sans);cursor:pointer;transition:all var(--transition-fast);background:#4285f4;border:none;border-radius:6px;flex-shrink:0;padding:7px 18px;box-shadow:0 1px 3px #4285f459}.btn-google-upgrade:hover{background:#3367d6;transform:translateY(-.5px);box-shadow:0 2px 6px 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#ffffff26;border-radius:50%;justify-content:center;align-items:center;margin:-38px auto 0;padding:0;font-size:16px;line-height:1;animation:.15s ease-out fade-in;display:flex;position:sticky;bottom:12px;box-shadow:0 4px 16px #00000059}.chat-input-area{padding:6px 10px calc(8px + env(safe-area-inset-bottom,0px))}.chat-input-wrap{border-radius:16px;gap:8px;min-height:46px;padding:10px 12px 8px}.chat-input{min-height:24px;max-height:120px;font-size:16px;line-height:1.45}.chat-input-bottom{flex-wrap:nowrap;justify-content:space-between;align-items:center;gap:4px;width:100%;display:flex}.chat-input-bottom-left{flex-shrink:0;order:0;align-items:center;gap:4px;display:flex}.chat-input-bottom-center{flex:1;order:1;justify-content:flex-end;align-items:center;gap:6px;min-width:0;margin:0;display:flex}.chat-input-bottom-right{flex-shrink:0;order:2;align-items:center;gap:4px;display:flex}.model-selector-btn{border-radius:14px;gap:4px;width:auto;min-width:0;max-width:140px;height:28px;padding:0 8px;font-size:12px}.model-selector-tier-tag{display:none}.chat-action-icon-btn,.chat-send-btn,.chat-stop-btn{border-radius:50%;width:32px;min-width:32px;height:32px;min-height:32px}.step-card-header{gap:8px;padding:8px 12px;font-size:12px}.step-card-command{font-size:11px}.step-card-output{max-height:200px;padding:8px 10px;font-size:10px}.step-card-cwd{padding:0 10px 4px;font-size:9px}.step-card-file{text-overflow:ellipsis;white-space:nowrap;max-width:120px;font-size:10px;overflow:hidden}.diff-content{max-height:250px;font-size:10px}.diff-file-header{padding:4px 10px;font-size:10px}.diff-line{padding:0 8px}.implementation-plan-header{gap:6px;min-height:34px;padding:7px 8px;font-size:11px}.implementation-plan-meta,.implementation-plan-action{font-size:10px}.implementation-plan-live-badge{padding:0 5px;font-size:9px;line-height:14px}.implementation-plan-content{max-height:250px;padding:6px 8px;font-size:11px}.chat-empty-text{font-size:14px}.chat-empty-icon svg{width:36px;height:36px}.search-modal{border-radius:var(--radius-md);width:95vw;max-height:80vh}.search-modal-overlay{padding-top:8vh}.modal-card{max-width:92vw;padding:24px 20px}.modal-icon{margin-bottom:8px;font-size:28px}.modal-title{font-size:16px}.modal-body{font-size:13px}.modal-actions{flex-direction:column;gap:8px}.modal-btn{width:100%;padding:10px 16px}.model-selector-dropdown{min-width:180px}.model-option{padding:6px 10px;font-size:12px}.model-option-meta{font-size:10px}.sidebar-item{gap:8px;padding:12px 14px}.workspace-group-items .sidebar-item{padding:10px 14px}.sidebar-action-btn{padding:10px 12px}.attachment-previews{gap:6px;margin-bottom:4px}.attachment-thumb{width:52px;height:52px}.attachment-remove{opacity:1}}