:root{--font-size-base: 14px;--color-primary: #6b5b7b;--color-primary-hover: #5a4a6a;--color-accent: #c49a6c;--color-danger: #d9534f;--color-bg: #f8f6f4;--color-surface: #ffffff;--color-border: #ddd;--color-text: #333;--color-text-muted: #888;--color-selected: #7c68a6;--radius: 6px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Segoe UI,system-ui,-apple-system,sans-serif;font-size:var(--font-size-base);line-height:1.4;color:var(--color-text);background:var(--color-bg);min-height:100vh;overflow:hidden}#root{width:100%;height:100vh}h1,h2,h3{font-weight:600}button{font-family:inherit;font-size:13px;padding:6px 12px;border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-surface);color:var(--color-text);cursor:pointer;min-height:32px;transition:background .15s,border-color .15s}button:hover:not(:disabled){background:#f0f0f0;border-color:#bbb}button:disabled{opacity:.4;cursor:not-allowed}select{font-family:inherit;font-size:13px;padding:4px 8px;border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-surface);color:var(--color-text);min-height:32px;cursor:pointer}input[type=text],input[type=email],input[type=password],input[type=number]{font-family:inherit;font-size:14px;padding:8px 12px;border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-surface);color:var(--color-text);min-height:36px;width:100%}input:focus,select:focus{outline:2px solid var(--color-selected);outline-offset:1px}.app{display:flex;flex-direction:column;height:100vh;overflow:hidden}.app-header{display:flex;align-items:center;justify-content:space-between;padding:6px 16px;background:linear-gradient(135deg,#5a4a6a,#7c68a6);color:#fff;min-height:48px;gap:16px;flex-shrink:0}.header-left{display:flex;align-items:center;gap:10px}.header-logo{width:36px;height:36px;border-radius:50%;object-fit:cover;border:2px solid rgba(255,255,255,.3)}.app-header h1{font-size:20px;font-weight:700;letter-spacing:.5px}.header-center{flex:1;text-align:center}.dimension-info{font-size:12px;opacity:.85}.header-right{display:flex;align-items:center;gap:10px}.user-name{font-size:13px;opacity:.9}.btn-sm{padding:4px 10px;min-height:28px;font-size:12px}.btn-primary{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}.btn-primary:hover:not(:disabled){background:var(--color-primary-hover)}.btn-accent{background:var(--color-accent);color:#fff;border-color:var(--color-accent)}.app-body{display:flex;flex:1;overflow:hidden}.sidebar{width:240px;background:var(--color-surface);border-right:1px solid var(--color-border);display:flex;flex-direction:column;overflow-y:auto;flex-shrink:0}.sidebar-right{border-right:none;border-left:1px solid var(--color-border);width:280px}.panel-header{display:flex;align-items:center;gap:8px;padding:10px 12px 6px;border-bottom:1px solid #eee}.panel-header h2{font-size:15px;flex:1}.count-badge{background:#e8e0f0;color:var(--color-primary);padding:1px 8px;border-radius:12px;font-size:12px;font-weight:600}.add-thread-btn{padding:3px 10px;min-height:26px;font-size:12px;font-weight:600;background:var(--color-primary);color:#fff;border-color:var(--color-primary);border-radius:4px}.thread-palette{display:flex;flex-direction:column;flex:1;overflow:hidden}.thread-grid{flex:1;overflow-y:auto;padding:8px;display:flex;flex-direction:column;gap:4px}.thread-swatch{display:flex;align-items:center;gap:6px;padding:4px 6px;border-radius:4px;cursor:pointer;transition:background .1s;border:2px solid transparent}.thread-swatch:hover{background:#f5f0fa}.thread-swatch.selected{border-color:var(--color-selected);background:#ece4f5}.thread-color{width:28px;height:28px;border-radius:4px;border:1px solid rgba(0,0,0,.15);flex-shrink:0;display:flex;align-items:center;justify-content:center}.thread-symbol{font-size:14px;font-weight:700;color:#fffc;text-shadow:0 0 2px rgba(0,0,0,.5);font-family:monospace}.thread-label{flex:1;font-size:12px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.symbol-btn{min-height:22px;min-width:22px;padding:0;font-size:12px;font-family:monospace;font-weight:700;background:#f5f0fa;border:1px solid #ddd}.symbol-select{font-size:12px;min-height:22px;padding:0 4px}.remove-btn{min-height:22px;min-width:22px;padding:0;font-size:16px;line-height:1;color:#999;border:none;background:none}.remove-btn:hover{color:var(--color-danger);background:none!important}.empty-hint{color:var(--color-text-muted);font-size:13px;text-align:center;padding:20px 10px}.dmc-picker{border-top:1px solid var(--color-border);background:#faf8fc;max-height:50%;display:flex;flex-direction:column}.dmc-picker-header{display:flex;align-items:center;gap:8px;padding:8px;flex-shrink:0}.dmc-picker-header h3{font-size:13px;white-space:nowrap}.dmc-picker-header input{flex:1;min-height:28px;padding:4px 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h2{font-size:18px;margin-bottom:16px}.form-row{display:flex;align-items:center;gap:12px;margin-bottom:12px}.form-row label{font-size:13px;min-width:100px}.form-row input{width:100px}.hint{font-size:12px;color:var(--color-text-muted);margin-bottom:16px}.modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:16px}.modal-close{position:absolute;top:12px;right:12px;border:none;background:none;font-size:20px;color:#999;min-height:24px;min-width:24px;padding:0}.close-btn{border:none;background:none;font-size:18px;color:#999;min-height:24px;min-width:24px;padding:0;cursor:pointer}.auth-modal{display:flex;flex-direction:column;gap:10px;max-width:380px}.account-overlay{position:fixed;inset:0;z-index:1000}.account-popout{position:fixed;top:48px;right:12px;width:380px;max-height:calc(100vh - 64px);overflow-y:auto;background:#fff;border-radius:12px;box-shadow:0 8px 32px #0000002e,0 2px 8px #00000014;z-index:1001;animation:popout-in .15s ease-out}@keyframes popout-in{0%{opacity:0;transform:translateY(-8px) scale(.97)}to{opacity:1;transform:translateY(0) scale(1)}}.account-popout-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px 12px;border-bottom:1px solid #eee}.account-popout-header h3{margin:0;font-size:16px;font-weight:700}.account-popout-body{padding:16px 20px 20px}.account-social-buttons{display:flex;flex-direction:column;gap:10px}.btn-social{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;min-height:44px;padding:12px 16px;border-radius:6px;font-size:15px;font-weight:500;cursor:pointer;transition:background .15s,border-color .15s,box-shadow .15s}.btn-google{background:#fff;color:#3c4043;border:1px solid #dadce0;font-family:Google Sans,Roboto,Arial,sans-serif}.btn-google:hover{background:#f7f8f8;border-color:#c6c8ca;box-shadow:0 1px 3px #00000014}.btn-apple{background:#000;color:#fff;border:1px solid #000;font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,Helvetica 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12px #00000014}.community-card-body{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}.community-card-title{font-size:14px;font-weight:700;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.community-card-author{font-size:11px;color:#888}.community-card-meta{font-size:11px;color:#999}.community-card-desc{font-size:12px;color:#555;margin-top:2px;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}.community-card-tags{display:flex;gap:4px;flex-wrap:wrap;margin-top:4px}.community-tag{display:inline-block;padding:1px 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