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12px;display:flex}.chat-input-field-group:focus-within{border-color:var(--teal);box-shadow:0 0 10px #06b6d426}.chat-textarea{resize:none;color:var(--text-primary);font-family:var(--font-body);background:0 0;border:none;outline:none;flex:1;min-height:60px;max-height:160px;padding:6px 0;font-size:.86rem}.chat-send-btn{background:var(--teal);color:var(--text-dark);cursor:pointer;width:32px;height:32px;transition:var(--transition);border:none;border-radius:8px;justify-content:center;align-items:center;margin-bottom:2px;display:flex}.chat-send-btn:hover:not(:disabled){background:#22d3ee;transform:translateY(-1px)}.chat-send-btn:disabled{color:var(--text-muted);cursor:not-allowed;background:#ffffff0d}.thinking-bubble{background:#1e293bbf;border:1px solid #ffffff14;border-radius:16px 16px 16px 4px;align-items:center;gap:4px;max-width:80px;height:32px;padding:8px 12px;display:flex}.thinking-dot{background-color:var(--teal);border-radius:50%;width:6px;height:6px;animation:1.4s ease-in-out infinite both bounce-dot}.thinking-dot:first-child{animation-delay:-.32s}.thinking-dot:nth-child(2){animation-delay:-.16s}@keyframes bounce-dot{0%,80%,to{transform:scale(0)}40%{transform:scale(1)}}.settings-panel{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);z-index:100;background:#0f172af2;flex-direction:column;gap:18px;width:100%;height:100%;padding:24px;animation:.25s ease-out fade-in;display:flex;position:absolute;top:0;left:0}.settings-panel h4{color:var(--text-primary);border-bottom:1px solid #ffffff1a;align-items:center;gap:8px;padding-bottom:8px;font-size:1.1rem;display:flex}.settings-group{flex-direction:column;gap:6px;display:flex}.settings-group label{color:var(--text-secondary);font-size:.76rem;font-weight:500}.settings-input{color:var(--text-primary);font-size:.84rem;font-family:var(--font-mono);transition:var(--transition);background:#0000004d;border:1px solid #ffffff1a;border-radius:8px;outline:none;padding:10px 12px}.settings-input:focus{border-color:var(--teal);box-shadow:0 0 8px #06b6d433}.settings-select{color:var(--text-primary);font-size:.84rem;font-family:var(--font-body);transition:var(--transition);cursor:pointer;background:#0000004d;border:1px solid #ffffff1a;border-radius:8px;outline:none;padding:10px 12px}.settings-select option{background:var(--bg-dark);color:var(--text-primary)}.settings-help{color:var(--text-muted);font-size:.72rem;line-height:1.4}.settings-actions{gap:12px;margin-top:auto;display:flex}.btn-settings-save{background:var(--teal);color:var(--text-dark);cursor:pointer;font-weight:600;font-family:var(--font-display);transition:var(--transition);text-align:center;border:none;border-radius:8px;flex:1;padding:10px}.btn-settings-save:hover{background:#22d3ee}.btn-settings-cancel{color:var(--text-secondary);cursor:pointer;transition:var(--transition);text-align:center;background:#ffffff0d;border:1px solid #ffffff1a;border-radius:8px;flex:1;padding:10px}.btn-settings-cancel:hover{color:var(--text-primary);background:#ffffff1a}.quickref-container{flex-direction:column;flex:1;gap:12px;padding:16px;display:flex;overflow:hidden}.quickref-grid{grid-template-columns:repeat(4,1fr);gap:8px;max-height:250px;padding-right:4px;display:grid;overflow-y:auto}.symbol-card{aspect-ratio:1;cursor:pointer;transition:var(--transition);background:#ffffff08;border:1px solid #ffffff0f;border-radius:8px;flex-direction:column;justify-content:center;align-items:center;gap:4px;display:flex}.symbol-card:hover{background:#06b6d414;border-color:#06b6d44d;transform:translateY(-2px)}.symbol-card.selected{border-color:var(--teal);background:#06b6d426;box-shadow:0 0 10px #06b6d41a}.symbol-glyph{color:var(--text-primary);font-size:1.5rem;font-weight:700}.symbol-card.selected .symbol-glyph{color:var(--teal)}.symbol-short-name{color:var(--text-secondary);text-align:center;text-overflow:ellipsis;white-space:nowrap;width:90%;font-size:.62rem;overflow:hidden}.symbol-detail-viewer{background:#0003;border:1px solid #ffffff0f;border-radius:10px;flex-direction:column;flex:1;gap:8px;padding:12px 16px;display:flex;overflow-y:auto}.symbol-detail-header{border-bottom:1px solid #ffffff14;align-items:center;gap:12px;padding-bottom:8px;display:flex}.symbol-detail-badge{color:var(--teal);background:#06b6d41a;border:1px solid #06b6d44d;border-radius:8px;justify-content:center;align-items:center;width:44px;height:44px;font-size:1.8rem;font-weight:700;display:flex}.symbol-detail-title h4{color:var(--text-primary);font-size:.95rem;font-family:var(--font-display)}.symbol-detail-title span{color:var(--text-muted);text-transform:uppercase;font-size:.72rem}.symbol-detail-body{color:#cbd5e1;font-size:.8rem;line-height:1.45}.symbol-detail-row{border-bottom:1px dashed #ffffff0a;justify-content:space-between;padding:4px 0;display:flex}.symbol-detail-row strong{color:var(--text-secondary)}.symbol-detail-row span{color:var(--text-primary);font-weight:500}.stackup-container{flex-direction:column;flex:1;gap:14px;padding:16px;display:flex;overflow:hidden}.stackup-header-actions{justify-content:space-between;align-items:center;display:flex}.stackup-title{font-size:.9rem;font-family:var(--font-display);font-weight:600}.btn-add-item{color:var(--teal);cursor:pointer;transition:var(--transition);background:#06b6d41a;border:1px solid #06b6d44d;border-radius:6px;align-items:center;gap:4px;padding:4px 10px;font-size:.75rem;display:flex}.btn-add-item:hover{color:var(--text-primary);background:#06b6d433}.stackup-list{flex-direction:column;flex:1;gap:8px;max-height:230px;padding-right:4px;display:flex;overflow-y:auto}.stackup-row{background:#ffffff05;border:1px solid #ffffff0d;border-radius:8px;grid-template-columns:2.2fr 1fr 1fr 1.2fr .4fr;align-items:center;gap:6px;padding:8px 10px;display:grid}.stackup-row input[type=text],.stackup-row input[type=number]{color:var(--text-primary);background:#00000040;border:1px solid #ffffff14;border-radius:4px;width:100%;padding:4px 6px;font-size:.75rem}.stackup-row input:focus{border-color:var(--teal);outline:none}.stackup-row select{color:var(--text-primary);cursor:pointer;background:#00000040;border:1px solid #ffffff14;border-radius:4px;padding:4px;font-size:.75rem}.btn-delete-row{color:var(--text-muted);cursor:pointer;transition:var(--transition);background:0 0;border:none;justify-content:center;align-items:center;display:flex}.btn-delete-row:hover{color:var(--danger)}.stackup-results{background:#0f172ad9;border:1px solid #06b6d426;border-radius:10px;flex-direction:column;gap:10px;padding:12px 16px;display:flex}.results-grid{grid-template-columns:1fr 1fr;gap:12px;display:grid}.result-card{flex-direction:column;gap:2px;display:flex}.result-card-label{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.02em;font-size:.68rem}.result-card-value{font-size:1.15rem;font-weight:700;font-family:var(--font-display)}.result-card-value.worst-case{color:var(--accent)}.result-card-value.rss{color:var(--teal)}.result-formula{font-family:var(--font-mono);color:var(--text-muted);font-size:.62rem}.results-visual-bar{flex-direction:column;gap:4px;margin-top:4px;display:flex}.visual-bar-labels{color:var(--text-muted);justify-content:space-between;font-size:.68rem;display:flex}.visual-bar-track{background:#ffffff0d;border:1px solid #ffffff0d;border-radius:5px;height:10px;position:relative;overflow:hidden}.visual-bar-fill{background:linear-gradient(90deg, var(--teal), var(--primary));border-radius:4px;position:absolute;top:0;bottom:0}.empty-state-stackup{color:var(--text-muted);text-align:center;padding:12px;font-size:.78rem}.gear-loader{animation:4s linear infinite spin-clockwise}@keyframes spin-clockwise{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media (width<=500px){.chat-window-container{border:none!important;border-radius:0!important;width:100vw!important;max-width:100vw!important;height:100vh!important;max-height:100vh!important;bottom:0!important;right:0!important}.chat-fab{bottom:16px;right:16px}}.gdt-guide{background:var(--bg);max-width:1100px;color:var(--text);margin:0 auto;padding:0 24px 40px;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:14px;line-height:1.6}.gdt-guide *{box-sizing:border-box}.gdt-guide .btn-calc{padding:9px 24px}.gdt-hero{color:#fff;background:linear-gradient(135deg,#1a2540 0%,#243358 100%);border-radius:8px;margin-bottom:28px;padding:36px 32px;box-shadow:0 4px 20px #1a23404d}.gdt-hero-tag{letter-spacing:2px;text-transform:uppercase;color:#f5a623;margin-bottom:8px;font-family:Inter,sans-serif;font-size:11px;font-weight:600}.gdt-hero h2{letter-spacing:-.5px;color:#f5a623;margin-bottom:10px;font-family:Inter,sans-serif;font-size:28px;font-weight:800}.gdt-hero p{opacity:.9;max-width:680px;margin-bottom:20px;font-size:15px;line-height:1.7}.gdt-hero-stats{border-top:.5px solid #ffffff26;gap:2.5rem;padding-top:1.25rem;display:flex}.gdt-hero-stat-label{letter-spacing:1.5px;text-transform:uppercase;opacity:.6;margin-bottom:2px;font-family:Inter,sans-serif;font-size:10px}.gdt-hero-stat-val{letter-spacing:1px;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:26px;line-height:1}.gdt-section-label{color:var(--muted);letter-spacing:2px;text-transform:uppercase;margin-bottom:6px;font-family:Inter,sans-serif;font-size:10px;font-weight:600}.gdt-section-title{letter-spacing:.5px;color:var(--accent2);text-transform:uppercase;align-items:center;gap:10px;margin-bottom:10px;font-family:Inter,sans-serif;font-size:16px;font-weight:700;display:flex}.gdt-section-title:before{content:"";background:var(--accent);border-radius:2px;width:4px;height:20px;display:block}.gdt-section-sub{color:var(--muted);max-width:580px;margin-bottom:1.5rem;font-size:14px;line-height:1.7}.gdt-section{max-width:1100px;margin:0 auto;padding:1.5rem 0 2.5rem}.gdt-fcf-section{background:var(--panel);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:8px;margin-bottom:22px;padding:24px 28px}.gdt-fcf-section .gdt-section-title{margin-top:0}.gdt-fcf-box{border:2px solid var(--border2);background:var(--panel2);border-radius:4px;align-items:center;width:max-content;margin:1.5rem 0;font-family:Inter,sans-serif;font-size:clamp(13px,2vw,18px);display:flex;overflow:hidden}.gdt-fcf-cell{border-right:2px solid var(--border2);flex-direction:column;align-items:center;min-width:55px;padding:10px 16px;display:flex}.gdt-fcf-cell:last-child{border-right:none}.gdt-fcf-cell-label{color:var(--muted);text-transform:uppercase;letter-spacing:1.2px;margin-bottom:3px;font-family:Inter,sans-serif;font-size:9px}.gdt-fcf-sym{color:var(--accent);font-size:22px}.gdt-fcf-tol{color:var(--green);font-size:20px}.gdt-fcf-datum{color:var(--accent2);font-size:18px}.gdt-fcf-mod{color:#8b44c8;font-size:16px}.gdt-fcf-legend{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin-top:1.5rem;display:grid}.gdt-fcf-legend-item{background:var(--panel2);border:1px solid var(--border);border-radius:6px;align-items:flex-start;gap:12px;padding:12px 14px;display:flex}.gdt-fcf-legend-num{background:var(--panel);border:1px solid var(--border2);width:22px;height:22px;color:var(--accent);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-family:Inter,sans-serif;font-size:11px;font-weight:600;display:flex}.gdt-fcf-legend-text strong{color:var(--text);margin-bottom:2px;font-size:13px;display:block}.gdt-fcf-legend-text span{color:var(--muted);font-size:12px}.gdt-cat-tabs{flex-wrap:wrap;gap:6px;margin-bottom:1.5rem;display:flex}.gdt-cat-tab{letter-spacing:1px;text-transform:uppercase;border:1px solid var(--border2);color:var(--muted);cursor:pointer;background:0 0;border-radius:3px;padding:6px 16px;font-family:Inter,sans-serif;font-size:11px;font-weight:600;transition:all .15s}.gdt-cat-tab:hover,.gdt-cat-tab.active{border-color:var(--accent2);color:var(--accent2);background:#edf6ff}.gdt-sym-grid{background:var(--border);border:1px solid var(--border);border-radius:8px;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1px;margin-bottom:1.5rem;display:grid;overflow:hidden}.gdt-sym-card{background:var(--panel);cursor:default;padding:1.25rem;transition:background .15s}.gdt-sym-card:hover{background:var(--panel2)}.gdt-sym-card-head{align-items:center;gap:14px;margin-bottom:10px;display:flex}.gdt-sym-icon{border:1px solid var(--border2);border-radius:6px;flex-shrink:0;justify-content:center;align-items:center;width:48px;height:48px;font-family:Inter,sans-serif;font-size:24px;font-weight:600;display:flex}.gdt-sym-icon.cat-form{color:var(--accent2);background:#edf6ff}.gdt-sym-icon.cat-orientation{color:#8b44c8;background:#f3edff}.gdt-sym-icon.cat-location{color:var(--green);background:#edfbf4}.gdt-sym-icon.cat-runout{color:var(--accent);background:#fff0ed}.gdt-sym-icon.cat-profile{color:#0d9488;background:#edfdfa}.gdt-sym-name{font-size:15px;font-weight:600}.gdt-sym-cat{color:var(--muted);text-transform:uppercase;letter-spacing:1px;font-family:Inter,sans-serif;font-size:10px}.gdt-sym-desc{color:var(--muted);font-size:13px;line-height:1.6}.gdt-sym-example{color:var(--accent);background:var(--panel2);border:1px solid var(--border2);border-radius:4px;margin-top:10px;padding:5px 10px;font-family:Inter,sans-serif;font-size:12px;display:inline-block}.gdt-table-wrap{border:1px solid var(--border);box-shadow:var(--shadow);border-radius:6px;margin-bottom:1.5rem;overflow:hidden}.gdt-table-wrap table{border-collapse:collapse;background:var(--panel);width:100%}.gdt-table-wrap th{background:var(--panel2);letter-spacing:1.5px;color:var(--muted);text-transform:uppercase;text-align:left;border-bottom:2px solid var(--border);white-space:nowrap;padding:10px 12px;font-family:Inter,sans-serif;font-size:10px}.gdt-table-wrap td{border-bottom:1px solid var(--border);vertical-align:middle;color:var(--text);padding:10px 12px;font-size:13px}.gdt-table-wrap tr:last-child td{border-bottom:none}.gdt-table-wrap tr:hover td{background:#f5f7ff}.gdt-table-wrap td strong{color:var(--text)}.gdt-badge{border-radius:3px;padding:3px 10px;font-family:Inter,sans-serif;font-size:12px;font-weight:600;display:inline-block}.gdt-badge-rfs{color:#b8860b;background:#fef9ed}.gdt-badge-sym{color:#8b44c8;background:#f3edff}.gdt-badge-proj{color:var(--accent);background:#fff0ed}.gdt-badge-free{color:#0d9488;background:#edfdfa}.gdt-badge-st{color:var(--red);background:#fef2f2}.gdt-badge-cf{color:#b8860b;background:#fef9ed}.gdt-bonus-visual{background:var(--panel);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:8px;margin:1.5rem 0;padding:1.5rem}.gdt-bonus-equation{color:var(--text);flex-wrap:wrap;align-items:center;gap:12px;margin:1rem 0;font-family:Inter,sans-serif;font-size:clamp(14px,2vw,19px);display:flex}.gdt-eq-part{flex-direction:column;align-items:center;gap:2px;display:flex}.gdt-eq-val{font-size:1.4em;font-weight:600}.gdt-eq-lbl{color:var(--muted);text-transform:uppercase;letter-spacing:1.2px;font-size:9px}.gdt-eq-op{color:var(--muted);font-size:1.3em}.gdt-bonus-slider-wrap{background:var(--panel);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:8px;margin-bottom:1.5rem;padding:1.5rem}.gdt-slider-label{color:var(--text);justify-content:space-between;margin-bottom:4px;font-family:Inter,sans-serif;font-size:12px;display:flex}.gdt-slider-label span:last-child{color:var(--accent2);font-weight:600}input[type=range]{width:100%;accent-color:var(--accent2);margin-bottom:1rem}.gdt-calc-result{grid-template-columns:repeat(3,1fr);gap:12px;margin-top:1.5rem;display:grid}.gdt-calc-box{background:var(--panel2);border:1px solid var(--border2);text-align:center;border-radius:6px;padding:14px}.gdt-calc-box-label{color:var(--muted);text-transform:uppercase;letter-spacing:1.5px;margin-bottom:4px;font-family:Inter,sans-serif;font-size:10px}.gdt-calc-box-val{letter-spacing:1px;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:28px;line-height:1}.gdt-datum-grid{grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1rem;margin:1.5rem 0;display:grid}.gdt-datum-card{background:var(--panel);border:1px solid var(--border);box-shadow:var(--shadow);border-top:3px solid var(--accent);border-radius:6px;padding:1.25rem 1.5rem}.gdt-datum-badge{color:var(--accent2);letter-spacing:1px;text-transform:uppercase;background:#edf6ff;border-radius:3px;margin-bottom:10px;padding:2px 8px;font-family:Inter,sans-serif;font-size:10px;font-weight:600;display:inline-block}.gdt-datum-letter{color:var(--accent2);margin-bottom:8px;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:2.5rem;font-weight:600;line-height:1}.gdt-datum-type{margin-bottom:6px;font-size:14px;font-weight:600}.gdt-datum-desc{color:var(--muted);font-size:13px}.gdt-rules-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1rem;margin:1.5rem 0;display:grid}.gdt-rule-card{background:var(--panel);border:1px solid var(--border);box-shadow:var(--shadow);border-top:3px solid var(--accent2);border-radius:6px;padding:1.5rem}.gdt-rule-num{color:var(--accent2);text-transform:uppercase;letter-spacing:1.5px;margin-bottom:8px;font-family:Inter,sans-serif;font-size:10px;font-weight:600}.gdt-rule-title{margin-bottom:8px;font-size:15px;font-weight:600}.gdt-rule-desc{color:var(--muted);font-size:13px;line-height:1.6}.gdt-rule-note{color:var(--accent2);margin-top:10px;font-size:12px;font-style:italic}.gdt-callout{background:#fef9ed;border-left:4px solid #b8860b;border-radius:4px;gap:12px;margin:1.5rem 0;padding:12px 16px;font-size:13px;line-height:1.6;display:flex}.gdt-callout.info{border-left-color:var(--accent2);background:#edf6ff}.gdt-callout.warn{border-left-color:var(--red);background:#fef2f2}.gdt-callout-icon{flex-shrink:0;margin-top:1px;font-size:18px}.gdt-callout-text{color:var(--text)}.gdt-callout-text strong{color:var(--text);margin-bottom:2px;display:block}.gdt-btn-toggle{letter-spacing:1px;text-transform:uppercase;border:1px solid var(--border2);cursor:pointer;color:var(--muted);background:0 0;border-radius:3px;padding:7px 18px;font-family:Inter,sans-serif;font-size:11px;font-weight:600;transition:all .15s}.gdt-btn-toggle:hover,.gdt-btn-toggle.active{border-color:var(--accent2);color:var(--accent2);background:#edf6ff}.gdt-btn-primary{letter-spacing:1px;text-transform:uppercase;cursor:pointer;background:var(--accent2);color:#fff;border:none;border-radius:4px;padding:9px 24px;font-family:Inter,sans-serif;font-size:12px;font-weight:600;transition:all .15s}.gdt-btn-primary:hover{background:#154f92}.gdt-divider{border:none;border-top:1px solid var(--border);margin:1.5rem 0}.gdt-tzone-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem;margin-top:1.5rem;display:grid}.gdt-tzone-card{border:1px solid var(--border);background:var(--panel);box-shadow:var(--shadow);border-radius:6px;overflow:hidden}.gdt-tzone-header{padding:10px 14px;font-family:Inter,sans-serif;font-size:14px;font-weight:600}.gdt-tzone-body{color:var(--muted);padding:12px 14px;font-size:13px}.gdt-tzone-visual{justify-content:center;align-items:center;padding:16px 0;display:flex}.gdt-inspec-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem;margin:1.5rem 0;display:grid}.gdt-inspec-card{background:var(--panel);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:6px;padding:1.25rem}.gdt-vc-inputs{flex-direction:column;gap:10px;display:flex}.gdt-vc-input-group{background:var(--panel2);border:1px solid var(--border2);border-radius:6px;padding:1rem}.gdt-vc-input-group label{color:var(--muted);text-transform:uppercase;letter-spacing:1.5px;margin-bottom:6px;font-family:Inter,sans-serif;font-size:11px;display:block}.gdt-vc-input-group input{background:var(--panel);border:1px solid var(--border2);width:100%;color:var(--text);border-radius:4px;outline:none;padding:7px 10px;font-family:Inter,sans-serif;font-size:15px;font-weight:600}.gdt-vc-input-group input:focus{border-color:var(--accent2);box-shadow:0 0 0 3px #1a5fa81f}.gdt-canvas-wrap{background:var(--panel);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:8px;margin:1.5rem 0;padding:1.5rem}.gdt-footer{text-align:center;border-top:1px solid var(--border);color:var(--muted);letter-spacing:2px;margin-top:2rem;padding:1.5rem 0;font-family:Inter,sans-serif;font-size:10px}.gdt-footer span{color:var(--accent);font-weight:600}.gdt-chart-bars{scrollbar-width:thin;align-items:flex-end;gap:8px;height:165px;padding:10px 4px;display:flex;overflow-x:auto}.gdt-chart-col{flex-direction:column;flex:1;align-items:center;min-width:65px;display:flex}.gdt-bonus-summary{grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px;margin-bottom:1.5rem;display:grid}.gdt-vc-results-grid{grid-template-columns:1fr 1fr;gap:10px;margin-bottom:1rem;display:grid}.gdt-vc-result-box{background:var(--panel2);border:1px solid var(--border2);border-radius:6px;padding:1rem}.gdt-empty-state{background:var(--panel2);border:1px dashed var(--border2);border-radius:8px;justify-content:center;align-items:center;min-height:300px;display:flex}.gdt-empty-state-inner{text-align:center;color:var(--muted)}.gdt-size-card{background:var(--panel2);border:1px solid var(--border2);border-radius:8px;padding:1.5rem}@media (width<=768px){.gdt-guide{padding:0 14px 24px}.gdt-hero{padding:28px 20px}.gdt-hero h2{font-size:28px}.gdt-hero-stats{flex-wrap:wrap;gap:1.5rem}.gdt-calc-result,.gdt-vc-results-grid{grid-template-columns:1fr}}@media (width<=520px){.gdt-hero h2{font-size:22px}}.gdt-instruction-section{background:var(--panel2);border:1px solid var(--border2);border-radius:12px;margin-top:2.5rem;padding:2rem;box-shadow:0 4px 20px #00000014}.gdt-instruction-section h3{color:var(--accent2);border-bottom:1px solid var(--border);margin-bottom:1.25rem;padding-bottom:8px;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:20px;font-weight:700}.gdt-instruction-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.5rem;margin-bottom:1.5rem;display:grid}.gdt-instruction-card{background:var(--bg);border:1px solid var(--border2);border-radius:8px;padding:1.25rem;box-shadow:0 2px 8px #00000008}.gdt-instruction-card h4{color:var(--text);align-items:center;gap:8px;margin-bottom:.75rem;font-family:Inter,sans-serif;font-size:14px;font-weight:600;display:flex}.gdt-instruction-card p,.gdt-instruction-card li{color:var(--muted);font-size:13px;line-height:1.6}.gdt-instruction-card ul{margin-top:8px;padding-left:20px}.gdt-formula-box{background:var(--panel);border:1px solid var(--border2);color:var(--text);border-left:4px solid var(--accent);border-radius:6px;margin:10px 0;padding:12px;font-family:Inter,sans-serif;font-size:13px}.gdt-formula-box code{color:var(--accent2);font-weight:600}.gdt-example-box{background:#f5a6230a;border:1px solid #f5a62333;border-left:4px solid #f5a623;border-radius:6px;margin-top:1rem;padding:14px}.gdt-example-box h5{color:#f5a623;text-transform:uppercase;letter-spacing:.5px;margin-bottom:6px;font-family:Inter,sans-serif;font-size:13px;font-weight:700}.gdt-example-box p{color:var(--text);margin-bottom:6px;font-size:13px;line-height:1.6}.gdt-example-box p:last-child{margin-bottom:0}.gdt-badge{text-transform:uppercase;letter-spacing:.5px;border-radius:3px;padding:2px 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var(--border2);box-shadow:var(--shadow);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:12px;padding:1.5rem}.fit-panel-title{color:var(--text);border-bottom:1px solid var(--border);align-items:center;gap:8px;margin-bottom:1.25rem;padding-bottom:8px;font-size:16px;font-weight:600;display:flex}.fit-input-group-row{grid-template-columns:repeat(auto-fit,minmax(100px,1fr));gap:12px;margin-bottom:1.25rem;display:grid}.fit-input-field{flex-direction:column;gap:4px;display:flex}.fit-input-field label{color:var(--muted);text-transform:uppercase;letter-spacing:.5px;font-size:11px;font-weight:500}.fit-input-field input,.fit-input-field select{background:var(--bg);border:1px solid var(--border2);color:var(--text);border-radius:6px;outline:none;padding:8px 12px;font-family:inherit;font-size:14px;transition:border-color .2s}.fit-input-field input:focus,.fit-input-field select:focus{border-color:var(--accent2);box-shadow:0 0 0 3px #2563eb26}.fit-status-banner{border-left:4px solid #0000;border-radius:8px;flex-direction:column;gap:4px;margin-bottom:1.5rem;padding:1.25rem;transition:all .3s;display:flex}.fit-status-banner.fit-ok{border-left-color:var(--green);background:linear-gradient(135deg,#1a8f5e1f 0%,#1a8f5e08 100%)}.fit-status-banner.fit-fail{border-left-color:var(--red);background:linear-gradient(135deg,#c0392b1f 0%,#c0392b08 100%)}.fit-status-title{font-size:16px;font-weight:700}.fit-status-desc{color:var(--muted);font-size:13px}.fit-results-grid{grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:12px;margin-bottom:1.5rem;display:grid}.fit-results-box{background:var(--bg);border:1px solid var(--border2);text-align:center;border-radius:8px;padding:12px;transition:transform .2s}.fit-results-box:hover{transform:translateY(-2px)}.fit-results-label{color:var(--muted);text-transform:uppercase;letter-spacing:.5px;margin-bottom:4px;font-size:10px}.fit-results-val{font-family:Inter,monospace;font-size:16px;font-weight:700}.fit-equations-panel{border:1px solid var(--border);background:#1e233033;border-radius:8px;margin-top:1.5rem;padding:1rem}.fit-equation-row{border-bottom:1px solid var(--border);justify-content:space-between;padding:6px 0;font-size:12px;display:flex}.fit-equation-row:last-child{border-bottom:none}.recommendations-container{margin-top:1.5rem}.recommendations-title{color:var(--text);align-items:center;gap:6px;margin-bottom:.75rem;font-size:14px;font-weight:600;display:flex}.recommendation-card{background:var(--bg);border:1px solid var(--border2);border-radius:8px;justify-content:space-between;align-items:center;gap:16px;margin-bottom:10px;padding:12px 16px;transition:border-color .2s;display:flex}.recommendation-card:hover{border-color:var(--accent2)}.recommendation-info{flex:1}.recommendation-text{color:var(--text);font-size:12.5px;font-weight:500}.recommendation-btn{color:var(--accent2);cursor:pointer;white-space:nowrap;background:#2563eb1a;border:1px solid #2563eb40;border-radius:6px;padding:6px 12px;font-size:11px;font-weight:600;transition:all .2s}.recommendation-btn:hover{background:var(--accent2);color:#fff}.canvas-legend{color:var(--muted);flex-wrap:wrap;justify-content:center;gap:12px;margin-top:8px;font-size:11px;display:flex}.legend-item{align-items:center;gap:4px;display:flex}.legend-dot{border-radius:50%;width:8px;height:8px}.gdt-guide.gdt-guide-wide,.gdt-guide.gdt-guide-wide .fit-calc-container{max-width:1320px}.sketches-grid-2col{grid-template-columns:1fr 1fr;gap:1.25rem;margin-top:1rem;display:grid}@media (width<=600px){.sketches-grid-2col{grid-template-columns:1fr}}.twofa-modal-overlay{z-index:9999;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background-color:#0f172abf;justify-content:center;align-items:center;padding:16px;animation:.2s ease-out twofaFadeIn;display:flex;position:fixed;inset:0}@keyframes twofaFadeIn{0%{opacity:0}to{opacity:1}}.twofa-modal-container{background:var(--card-bg,#fff);border:1px solid var(--border-color,#e2e8f0);border-radius:16px;width:100%;max-width:540px;animation:.25s cubic-bezier(.16,1,.3,1) twofaSlideUp;overflow:hidden;box-shadow:0 20px 40px -15px #0000004d}@keyframes twofaSlideUp{0%{opacity:0;transform:translateY(20px)scale(.97)}to{opacity:1;transform:translateY(0)scale(1)}}.twofa-modal-header{border-bottom:1px solid var(--border-color,#e2e8f0);align-items:flex-start;gap:14px;padding:20px 24px 16px;display:flex;position:relative}.twofa-header-icon-wrap{color:#2563eb;background:#2563eb1a;border-radius:12px;flex-shrink:0;justify-content:center;align-items:center;width:44px;height:44px;display:flex}.twofa-shield-icon{width:24px;height:24px}.twofa-header-text{flex:1}.twofa-title{color:var(--text-main,#0f172a);margin:0;font-size:18px;font-weight:700}.twofa-subtitle{color:var(--text-secondary,#64748b);margin:4px 0 0;font-size:13px;line-height:1.4}.twofa-close-btn{color:var(--text-secondary,#64748b);cursor:pointer;background:0 0;border:none;border-radius:8px;justify-content:center;align-items:center;padding:6px;transition:all .15s;display:flex}.twofa-close-btn:hover{background:var(--bg-hover,#f1f5f9);color:var(--text-main,#0f172a)}.twofa-modal-body{max-height:80vh;padding:20px 24px 24px;overflow-y:auto}.twofa-loading-state{color:var(--text-secondary,#64748b);flex-direction:column;justify-content:center;align-items:center;gap:16px;padding:40px 20px;display:flex}.twofa-spinner{border:3px solid #2563eb33;border-top-color:#2563eb;border-radius:50%;width:36px;height:36px;animation:.8s linear infinite twofaSpin}@keyframes twofaSpin{to{transform:rotate(360deg)}}.twofa-guide-steps{flex-direction:column;gap:12px;margin-bottom:16px;display:flex}.twofa-guide-item{align-items:flex-start;gap:12px;display:flex}.twofa-step-badge{color:#fff;background:#2563eb;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:24px;height:24px;margin-top:2px;font-size:12px;font-weight:700;display:flex}.twofa-guide-item strong{color:var(--text-main,#0f172a);margin-bottom:2px;font-size:14px;display:block}.twofa-guide-item p{color:var(--text-secondary,#64748b);margin:0;font-size:13px}.twofa-qr-section{background:var(--bg-hover,#f8fafc);border:1px solid var(--border-color,#e2e8f0);border-radius:12px;align-items:center;gap:20px;margin-bottom:16px;padding:16px;display:flex}.twofa-qr-frame{background:#fff;border:1px solid #e2e8f0;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;padding:6px;display:flex}.twofa-key-details{flex-direction:column;flex:1;gap:6px;display:flex}.twofa-key-label{color:var(--text-secondary,#64748b);font-size:12px;font-weight:500}.twofa-key-box{background:var(--card-bg,#fff);border:1px solid var(--border-color,#cbd5e1);border-radius:8px;align-items:center;gap:8px;padding:6px 10px;display:flex}.twofa-key-code{letter-spacing:.05em;color:#2563eb;word-break:break-all;flex:1;font-family:JetBrains Mono,monospace,ui-monospace;font-size:13px;font-weight:600}.twofa-copy-key-btn{color:var(--text-secondary,#64748b);cursor:pointer;background:0 0;border:none;border-radius:6px;align-items:center;gap:4px;padding:4px 8px;font-size:12px;font-weight:600;transition:all .15s;display:flex}.twofa-copy-key-btn:hover{background:var(--bg-hover,#f1f5f9);color:#2563eb}.twofa-key-hint{color:var(--text-muted,#94a3b8);font-size:11px}.twofa-divider{border:none;border-top:1px solid var(--border-color,#e2e8f0);margin:16px 0}.twofa-input-row{align-items:center;gap:12px;display:flex}.twofa-code-input{border:2px solid var(--border-color,#cbd5e1);letter-spacing:.25em;text-align:center;color:var(--text-main,#0f172a);background:var(--bg,#fff);border-radius:8px;flex:1;padding:10px 14px;font-family:JetBrains Mono,monospace,ui-monospace;font-size:20px;font-weight:700;transition:all .15s}.twofa-code-input:focus{border-color:#2563eb;outline:none;box-shadow:0 0 0 3px #2563eb26}.twofa-submit-btn{white-space:nowrap;align-items:center;gap:6px;display:flex;margin:0!important;padding:11px 18px!important}.twofa-alert-error{color:#ef4444;background:#ef44441a;border:1px solid #ef444433;border-radius:8px;align-items:center;gap:8px;margin-top:10px;padding:8px 12px;font-size:13px;display:flex}.twofa-step-backup{flex-direction:column;gap:16px;display:flex}.twofa-backup-success-badge{background:#10b98114;border:1px solid #10b98133;border-radius:12px;align-items:center;gap:14px;padding:14px 16px;display:flex}.twofa-backup-notice{color:var(--text-main,#0f172a);background:#f59e0b14;border:1px solid #f59e0b33;border-radius:10px;align-items:flex-start;gap:10px;padding:12px 14px;font-size:13px;display:flex}.twofa-backup-notice p{margin:0;line-height:1.4}.twofa-backup-grid{background:var(--bg-hover,#f8fafc);border:1px solid var(--border-color,#e2e8f0);border-radius:12px;grid-template-columns:repeat(2,1fr);gap:10px;padding:16px;display:grid}.twofa-backup-code-item{background:var(--card-bg,#fff);border:1px solid var(--border-color,#e2e8f0);border-radius:6px;align-items:center;gap:8px;padding:8px 12px;display:flex}.twofa-backup-idx{color:var(--text-muted,#94a3b8);width:16px;font-size:11px;font-weight:600}.twofa-backup-code-item code{letter-spacing:.08em;color:var(--text-main,#0f172a);font-family:JetBrains Mono,monospace;font-size:14px;font-weight:700}.twofa-backup-actions{flex-wrap:wrap;align-items:center;gap:10px;margin-top:8px;display:flex}.text-emerald{color:#10b981}.text-amber{color:#f59e0b}@media (width<=520px){.twofa-qr-section{text-align:center;flex-direction:column}.twofa-input-row{flex-direction:column}.twofa-submit-btn{justify-content:center;width:100%}.twofa-backup-grid{grid-template-columns:1fr}.twofa-backup-actions{flex-direction:column;width:100%}.twofa-backup-actions button{justify-content:center;width:100%}}.plans-page-wrapper{background-color:var(--bg);min-height:100vh;padding-bottom:60px}.plans-main-container{max-width:1200px;margin:0 auto;padding:0 24px}.plans-hero-section{color:#fff;box-shadow:var(--shadow);background:linear-gradient(135deg,#1e293b 0%,#0f172a 100%);border:1px solid #ffffff14;border-radius:12px;margin-bottom:28px;padding:32px 40px}.plans-hero-section .hero-content{flex-flow:row;justify-content:space-between;align-items:center;gap:24px;display:flex}.hero-text-block{text-align:left;flex:1;min-width:0}.plans-hero-section h2{letter-spacing:-.5px;background:linear-gradient(120deg,#fff 40%,#ffc875 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;margin-bottom:8px;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:32px;font-weight:700}.plans-hero-section p{color:#94a3b8;max-width:600px;font-size:15px;line-height:1.6}.current-plan-banner{text-align:right;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#ffffff0f;border:1px solid #ffffff1f;border-radius:10px;flex:none;padding:16px 28px}.current-plan-banner .banner-label{text-transform:uppercase;color:#e2e8f0;letter-spacing:1.5px;margin-bottom:4px;font-size:11px;font-weight:600;display:block}.current-plan-banner h3{color:#ffc875;margin:0;font-size:20px;font-weight:700}.plans-matrix-card{border:1px solid var(--border);background:var(--panel);box-shadow:var(--shadow);border-radius:12px;padding:0;overflow:hidden}.table-responsive-wrapper{width:100%;overflow-x:auto}.plans-comparison-table{border-collapse:separate;border-spacing:0;text-align:left;width:100%}.plans-comparison-table th{vertical-align:top;border-bottom:2px solid var(--border);padding:24px 20px}.feature-col-header{background:var(--panel2);width:28%}.plans-table-desc{height:100%;color:var(--text);text-transform:uppercase;letter-spacing:.5px;align-items:flex-end;padding-bottom:8px;font-size:15px;font-weight:700;display:flex}.plan-col-header{text-align:center;width:18%;transition:all .3s;position:relative}.plan-col-header.active-column{background:#f5a62305}.plan-header-wrapper{flex-direction:column;align-items:center;gap:12px;display:flex}.plan-status-badge{text-transform:uppercase;letter-spacing:1px;border-radius:4px;padding:4px 10px;font-size:10px;font-weight:700}.plan-status-badge.free-status{color:var(--green);background:#10b9811a;border:1px solid #10b98133}.plan-status-badge.soon-status{color:var(--accent2);background:#2563eb1a;border:1px solid #2563eb33}.plan-status-badge.active-plan-status{color:#7c3aed;background:#7c3aed1a;border:1px solid #7c3aed33}.plan-status-badge.trial-status{color:var(--accent);background:#f973161a;border:1px solid #f9731633}.plan-status-badge.active-trial-status{color:var(--green);background:#10b98126;border:1px solid #10b9814d}.plan-name-label{color:var(--text);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:22px;font-weight:800}.btn-plan-select{letter-spacing:.2px;cursor:pointer;color:#0f172a;background:#fff;border:1px solid #e2e8f0;border-radius:10px;width:100%;padding:10px 16px;font-size:12.5px;font-weight:600;transition:all .2s cubic-bezier(.4,0,.2,1);box-shadow:0 1px 2px 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