:root{--primary:#1d4ed8;--primary-dark:#1e3a8a;--primary-deeper:#0c1445;--accent:#3b82f6;--accent-light:#eff6ff;--accent-mid:#bfdbfe;--bg:#e8edf5;--surface:#fff;--surface-muted:#f8fafc;--surface-hover:#f1f5f9;--border:#e2e8f0;--border-focus:#3b82f6;--text:#0f172a;--text-muted:#64748b;--text-subtle:#94a3b8;--success:#059669;--success-bg:#ecfdf5;--success-border:#a7f3d0;--error:#dc2626;--error-bg:#fef2f2;--error-border:#fecaca;--warn-bg:#fffbeb;--warn-border:#fde68a;--warn-text:#92400e;--radius-sm:6px;--radius-md:10px;--radius-lg:14px;--radius-xl:20px;--radius-pill:999px;--shadow-sm:0 1px 3px #00000014, 0 1px 2px #0000000a;--shadow-md:0 4px 12px #00000014, 0 2px 4px #0000000d;--shadow-card:0 0 0 1px #0000000a, 0 2px 4px #0000000a, 0 12px 40px #0000001f, 0 32px 72px #00000012;--font:"Inter", -apple-system, BlinkMacSystemFont, sans-serif;--font-mono:"SF Mono", "Fira Code", "Cascadia Code", monospace}[data-theme=dark]{--bg:#0d1117;--surface:#161b22;--surface-muted:#1c2128;--surface-hover:#21262d;--border:#30363d;--border-focus:#58a6ff;--text:#e6edf3;--text-muted:#8b949e;--text-subtle:#484f58;--success:#3fb950;--success-bg:#0d2119;--success-border:#1a4731;--error:#f85149;--error-bg:#2d0f0e;--error-border:#6e2e2d;--warn-bg:#2d2009;--warn-border:#5a3e0f;--warn-text:#d29922;--accent-light:#0d1f38;--accent-mid:#1f3a5f;--shadow-card:0 0 0 1px #ffffff0a, 0 2px 4px #0000004d, 0 12px 40px #0006, 0 32px 72px #0000004d}[data-theme=dark] body{background-color:#0d1117;background-image:radial-gradient(circle at 20% 20%,#58a6ff0d 0%,#0000 45%),radial-gradient(circle at 80% 80%,#38bdf80a 0%,#0000 45%),radial-gradient(#1c2128 1px,#0000 1px);background-position:0 0;background-repeat:repeat;background-size:auto,auto,22px 22px;background-attachment:scroll;background-origin:padding-box;background-clip:border-box}[data-theme=dark] #root{border-top:1px solid #ffffff0f}[data-theme=dark] input[type=text],[data-theme=dark] input[type=password],[data-theme=dark] select,[data-theme=dark] textarea{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}[data-theme=dark] .tool-header{background:radial-gradient(65% 100% at 92% -15%,#38bdf824 0%,#0000 60%),radial-gradient(45% 75% at -8% 110%,#6366f11f 0%,#0000 55%),linear-gradient(145deg,#060d1f 0%,#0d1f4a 38%,#0f2f8a 72%,#1a3fd8 100%)}[data-theme=dark] .tab-bar{background:var(--surface-muted);border-bottom-color:var(--border)}[data-theme=dark] .tab:hover{background:#ffffff0d}[data-theme=dark] .tab.active{background:var(--surface);color:#58a6ff;border-color:var(--accent-mid);box-shadow:none}[data-theme=dark] .btn-copy-log:hover,[data-theme=dark] .log-clear:hover{color:#fffc}[data-theme=dark] .seg-option:hover{background:#ffffff0f}[data-theme=dark] .seg-option.active{background:var(--surface-hover);color:#58a6ff;box-shadow:0 1px 4px #0006}[data-theme=dark] .config-note{color:#79b8ff}[data-theme=dark] .tools-subnav{border-bottom-color:var(--border)}[data-theme=dark] .tools-subnav-btn{background:var(--surface-muted);border-right-color:var(--border)}[data-theme=dark] .tools-subnav-btn:hover{background:var(--surface-hover)}[data-theme=dark] .tools-subnav-btn.active{background:var(--surface);box-shadow:inset 0 -2px #58a6ff}[data-theme=dark] .tools-subnav-btn.active .tools-subnav-label{color:#58a6ff}[data-theme=dark] .tools-subnav-tag{color:#484f58}[data-theme=dark] .tools-intro{background:linear-gradient(135deg, #0d1f38, var(--surface-muted))}[data-theme=dark] .tools-intro strong{color:var(--text)}[data-theme=dark] .tools-intro p{color:var(--text-muted)}[data-theme=dark] .tool-card-icon,[data-theme=dark] .tool-guidance{background:var(--surface-hover);border-color:var(--border)}[data-theme=dark] .tool-guidance-title{color:#8b949e}[data-theme=dark] .tool-guidance-steps li{color:#c9d1d9}[data-theme=dark] .tool-guidance-steps code{background:var(--surface);border-color:var(--border);color:#79b8ff}[data-theme=dark] .tool-guidance-steps kbd{background:var(--surface-muted);border-color:var(--border);color:var(--text)}[data-theme=dark] .platform-card{background:var(--surface-hover);border-color:var(--border)}[data-theme=dark] .platform-card:hover{background:var(--surface);border-color:#1f3a5f}[data-theme=dark] .platform-card.active{background:#0d1f38;border-color:#58a6ff;box-shadow:0 0 0 3px #58a6ff1f}[data-theme=dark] .platform-card.active .platform-label{color:#79b8ff}[data-theme=dark] .platform-label{color:#8b949e}[data-theme=dark] .hint-text,[data-theme=dark] .section-title{color:#484f58}[data-theme=dark] .tool-card-desc{color:#8b949e}[data-theme=dark] .tool-card-title{color:#e6edf3}[data-theme=dark] .setup-info{color:#79b8ff}[data-theme=dark] .setup-reg-url{color:#58a6ff;background:#58a6ff14}[data-theme=dark] .jwks-url{color:#79b8ff}[data-theme=dark] .key-status.none{color:#d29922;background:#2d2009;border-color:#5a3e0f}[data-theme=dark] .key-status.ready{color:#3fb950;background:#0d2119;border-color:#1a4731}[data-theme=dark] .key-status.working{color:#79b8ff;background:#0d1f38;border-color:#1f3a5f}[data-theme=dark] .optional-tag{background:var(--surface-hover);border-color:var(--border);color:#484f58}[data-theme=dark] .message.success{color:#3fb950;background:#0d2119;border-color:#1a4731}[data-theme=dark] .message.error{color:#f85149;background:#2d0f0e;border-color:#6e2e2d}@keyframes shimmer{0%{left:-100%}28%{left:160%}to{left:160%}}@keyframes pulse-online{0%{box-shadow:0 0 #4ade8099}70%{box-shadow:0 0 0 6px #4ade8000}to{box-shadow:0 0 #4ade8000}}@keyframes fade-in{0%{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}*,:before,:after{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font);min-height:100vh;color:var(--text);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:#e8edf5;background-image:radial-gradient(circle at 20% 20%,#6366f112 0%,#0000 45%),radial-gradient(circle at 80% 80%,#3b82f60f 0%,#0000 45%),radial-gradient(#c8d4e8 1px,#0000 1px);background-position:0 0;background-repeat:repeat;background-size:auto,auto,22px 22px;background-attachment:scroll;background-origin:padding-box;background-clip:border-box;justify-content:center;align-items:flex-start;padding:32px 24px 80px;display:flex}#root{background:var(--surface);border-radius:var(--radius-xl);width:100%;max-width:880px;box-shadow:var(--shadow-card);border-top:1px solid #ffffffe6;overflow:hidden}.tool-header{background:radial-gradient(65% 100% at 92% -15%,#93c5fd3d 0%,#0000 60%),radial-gradient(45% 75% at -8% 110%,#818cf82e 0%,#0000 55%),linear-gradient(145deg,#0c1445 0%,#1a3575 38%,#1d4ed8 72%,#2563eb 100%);align-items:center;gap:16px;padding:28px 28px 26px;display:flex;position:relative}.tool-header:after{content:"";pointer-events:none;background:url("data:image/svg+xml,%3Csvg width='40' height='40' viewBox='0 0 40 40' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 40L40 0H20L0 20M40 40V20L20 40' fill='none' stroke='%23ffffff' stroke-opacity='0.028' stroke-width='1'/%3E%3C/svg%3E");position:absolute;inset:0}.tool-icon{border-radius:var(--radius-lg);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:1;background:#ffffff1f;border:1px solid #ffffff38;flex-shrink:0;justify-content:center;align-items:center;width:48px;height:48px;font-size:1.45rem;display:flex;position:relative;box-shadow:0 2px 8px #00000038,inset 0 1px #ffffff29}.tool-header-text{z-index:1;position:relative}.tool-header-text h1{color:#fff;letter-spacing:-.03em;font-size:1.1rem;font-weight:800;line-height:1.2}.tool-header-text p{color:#ffffff75;letter-spacing:.005em;margin-top:3px;font-size:.74rem;font-weight:400}.tab-bar{background:var(--surface-muted);border-bottom:1px solid var(--border);gap:4px;padding:12px 16px;display:flex}.tab{font-size:.81rem;font-weight:600;font-family:var(--font);color:var(--text-subtle);border-radius:var(--radius-md);cursor:pointer;letter-spacing:-.015em;background:0 0;border:1.5px solid #0000;flex:1;justify-content:center;align-items:center;gap:6px;padding:9px 14px;text-decoration:none;transition:all .15s;display:flex}.tab:hover{color:var(--text-muted);background:#ffffffbf}.tab.active{background:var(--surface);color:var(--primary);border-color:var(--accent-mid);box-shadow:var(--shadow-sm), inset 0 -2px 0 var(--primary);font-weight:700}.tab-content{display:none}.tab-content.active{animation:.18s fade-in;display:block}.section{border-bottom:1px solid var(--border);padding:24px 28px}.section:last-child{border-bottom:none}.section.shaded{background:var(--surface-muted)}.section-title{text-transform:uppercase;letter-spacing:.13em;color:var(--text-subtle);align-items:center;gap:10px;margin-bottom:18px;font-size:.63rem;font-weight:700;display:flex}.section-title:before{content:"";background:linear-gradient(to bottom, var(--primary), var(--accent));border-radius:2px;flex-shrink:0;width:3px;height:11px}.section-title:after{content:"";background:linear-gradient(to right, var(--border), transparent);flex:1;height:1px}.field-group{margin-bottom:16px}.field-group:last-child{margin-bottom:0}.two-col{grid-template-columns:1fr 1fr;gap:14px;display:grid}label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.09em;margin-bottom:7px;font-size:.7rem;font-weight:700;display:block}input[type=text],input[type=password],select,textarea{border:1.5px solid var(--border);border-radius:var(--radius-md);width:100%;font-size:.875rem;font-family:var(--font);color:var(--text);background:var(--surface-muted);appearance:none;outline:none;padding:11px 14px;transition:border-color .15s,box-shadow .15s,background .15s}textarea{resize:none;line-height:1.6}input[type=text]:focus,input[type=password]:focus,select:focus,textarea:focus{border-color:var(--border-focus);background:var(--surface);box-shadow:0 0 0 3.5px #3b82f624,0 1px 3px #0000000f}input.field-invalid,select.field-invalid,textarea.field-invalid{border-color:var(--error)!important;background:var(--surface)!important;box-shadow:0 0 0 3px #dc26261a!important}input.field-valid,select.field-valid,textarea.field-valid{background:#fafffe;border-color:#34d399}input::placeholder{color:var(--text-subtle)}input.field-locked{background:var(--surface-muted);color:var(--text-muted);cursor:default;border-color:var(--border);font-family:var(--font-mono);font-size:.75rem}input.field-locked:focus{border-color:var(--border);box-shadow:none;background:var(--surface-muted)}.field-hint{color:var(--error);margin-top:5px;font-size:.695rem;font-weight:500;display:none}.field-hint.visible{display:block}.select-wrapper{position:relative}.select-wrapper:after{content:"";pointer-events:none;border-left:4px solid #0000;border-right:4px solid #0000;border-top:5px solid var(--text-subtle);width:0;height:0;position:absolute;top:50%;right:13px;transform:translateY(-50%)}.select-wrapper select{cursor:pointer;padding-right:34px}.key-status{border-radius:var(--radius-md);border:1px solid #0000;align-items:center;gap:10px;margin-bottom:14px;padding:12px 15px;font-size:.82rem;font-weight:500;display:flex}.key-status.none{background:var(--warn-bg);border-color:var(--warn-border);color:var(--warn-text)}.key-status.ready{background:var(--success-bg);border-color:var(--success-border);color:var(--success)}.key-status.working{background:var(--accent-light);border-color:var(--accent-mid);color:var(--primary)}.key-dot{background:currentColor;border-radius:50%;flex-shrink:0;width:7px;height:7px}.jwks-row{align-items:stretch;gap:8px;display:flex}.jwks-url{font-family:var(--font-mono);background:var(--surface-muted);border:1.5px solid var(--border);border-radius:var(--radius-md);color:var(--primary);word-break:break-all;cursor:default;-webkit-user-select:all;user-select:all;flex:1;padding:10px 14px;font-size:.73rem}.btn-copy{background:var(--surface);border:1.5px solid var(--border);border-radius:var(--radius-md);font-size:.78rem;font-family:var(--font);color:var(--text-muted);cursor:pointer;white-space:nowrap;width:auto;padding:0 16px;font-weight:600;transition:background .12s,border-color .12s,color .12s}.btn-copy:hover{background:var(--surface-muted);border-color:var(--primary);color:var(--primary)}.btn-copy.copied{color:var(--success);border-color:var(--success-border);background:var(--success-bg)}.hint-text{color:var(--text-subtle);margin-top:6px;font-size:.71rem;line-height:1.55}.setup-info{background:var(--accent-light);border-bottom:1px solid var(--accent-mid);color:#1e40af;align-items:flex-start;gap:12px;padding:14px 20px;font-size:.82rem;line-height:1.6;display:flex}.setup-info-icon{flex-shrink:0;margin-top:1px;font-size:1rem;font-weight:700}.setup-reg-url{font-family:var(--font-mono);border-radius:var(--radius-sm);color:var(--primary);word-break:break-all;background:#1d4ed814;margin-top:2px;padding:2px 7px;font-size:.72rem;display:inline-block}.optional-tag{text-transform:uppercase;letter-spacing:.05em;color:var(--text-subtle);background:var(--surface-hover);border:1px solid var(--border);border-radius:var(--radius-sm);vertical-align:middle;margin-left:4px;padding:2px 6px;font-size:.61rem;font-style:normal;font-weight:500}.section-title.collapsible{cursor:pointer;-webkit-user-select:none;user-select:none}.section-title.collapsible:hover{color:var(--text-muted)}.collapse-chevron{color:var(--text-subtle);flex-shrink:0;margin-left:auto;font-size:.62rem;transition:transform .22s}.section-title.collapsible.open .collapse-chevron{transform:rotate(180deg)}.collapsible-body{display:none}.collapsible-body.open{display:block}.launch-section{background:linear-gradient(to bottom, var(--surface), #f6f9ff);padding:20px 28px 26px}.btn-primary{background:linear-gradient(135deg, var(--primary-dark) 0%, #2056d8 58%, #3b82f6 100%);color:#fff;border-radius:var(--radius-md);width:100%;font-size:.9375rem;font-family:var(--font);cursor:pointer;letter-spacing:-.02em;border:none;justify-content:center;align-items:center;gap:8px;padding:14px 20px;font-weight:700;transition:opacity .15s,transform .12s,box-shadow .15s;display:flex;position:relative;overflow:hidden;box-shadow:0 2px 6px #1d4ed85c,0 8px 20px #1d4ed833,inset 0 1px #ffffff1f}.btn-primary:before{content:"";background:linear-gradient(90deg,#0000,#ffffff2b,#0000);width:60%;height:100%;animation:4s infinite shimmer;position:absolute;top:0;left:-100%}.btn-primary:hover{opacity:.93;box-shadow:0 4px 12px #1d4ed86b,0 14px 30px #1d4ed838}.btn-primary:active{opacity:.87;transform:scale(.988)}.btn-primary:disabled{opacity:.38;cursor:not-allowed;box-shadow:none;transform:none}.btn-primary:disabled:before{animation:none}.btn-secondary{background:var(--surface);border:1.5px solid var(--border);border-radius:var(--radius-md);font-size:.82rem;font-family:var(--font);color:var(--text);cursor:pointer;letter-spacing:-.01em;width:auto;box-shadow:var(--shadow-sm);align-items:center;gap:6px;padding:9px 18px;font-weight:600;transition:background .12s,border-color .12s,box-shadow .12s;display:inline-flex}.btn-secondary:hover{background:var(--surface-muted);box-shadow:var(--shadow-md);border-color:#cbd5e1}.btn-secondary:disabled{opacity:.4;cursor:not-allowed;box-shadow:none}.message{border-radius:var(--radius-md);border:1px solid #0000;margin-top:12px;padding:11px 15px;font-size:.83rem;font-weight:500;animation:.15s fade-in;display:none}.message.error{background:var(--error-bg);border-color:var(--error-border);color:var(--error);display:block}.message.success{background:var(--success-bg);border-color:var(--success-border);color:var(--success);display:block}.log-section{border-top:1px solid var(--border);display:none}.log-section.visible{display:block}.log-header{background:#0b1120;border-bottom:1px solid #ffffff0d;justify-content:space-between;align-items:center;gap:12px;padding:11px 20px;display:flex}.log-title{text-transform:uppercase;letter-spacing:.13em;color:#ffffff47;font-size:.63rem;font-weight:700}.log-actions{align-items:center;gap:14px;display:flex}.log-clear,.btn-copy-log{color:#ffffff47;font-size:.72rem;font-family:var(--font);cursor:pointer;letter-spacing:-.01em;background:0 0;border:none;width:auto;padding:0;font-weight:500;transition:color .12s}.log-clear:hover,.btn-copy-log:hover{color:#ffffffad}.log-box{color:#e2e8f0;font-family:var(--font-mono);white-space:pre-wrap;word-break:break-all;background:#0d1526;max-height:380px;padding:16px 20px;font-size:.715rem;line-height:1.85;overflow-y:auto}.log-box::-webkit-scrollbar{width:5px}.log-box::-webkit-scrollbar-track{background:0 0}.log-box::-webkit-scrollbar-thumb{background:#ffffff14;border-radius:3px}.log-box::-webkit-scrollbar-thumb:hover{background:#ffffff29}.log-box .log-url{color:#60a5fa;font-weight:700}.log-box .log-key{color:#7dd3fc}.log-box .log-val{color:#6ee7b7}.log-box .log-sep{color:#1e3a5f}.log-box .log-head{color:#fb7185;font-weight:700;display:block}.log-box .log-dim{color:#1e3a5f}.status-bar{border-radius:var(--radius-md);border:1px solid #0000;margin-bottom:12px;padding:13px 16px;font-size:.84rem;font-weight:500;line-height:1.55;animation:.16s fade-in}.status-bar.success{background:var(--success-bg);border-color:var(--success-border);color:var(--success)}.status-bar.error{background:var(--error-bg);border-color:var(--error-border);color:var(--error)}.status-bar.info{background:var(--accent-light);border-color:var(--accent-mid);color:var(--primary)}.status-bar pre{font-family:var(--font-mono);white-space:pre-wrap;word-break:break-all;border-radius:var(--radius-sm);color:inherit;background:#0000000f;margin-top:10px;padding:10px 12px;font-size:.7rem;font-weight:400;line-height:1.7}.health-badge{border-radius:var(--radius-pill);color:#ffffffe0;cursor:pointer;white-space:nowrap;z-index:1;font-size:.72rem;font-weight:600;font-family:var(--font);letter-spacing:-.01em;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#ffffff1a;border:1px solid #ffffff29;flex-shrink:0;align-items:center;gap:7px;margin-left:auto;padding:6px 13px;transition:background .14s,border-color .14s;display:flex;position:relative}.health-badge:hover{background:#ffffff2e;border-color:#ffffff42}.health-badge:after{content:attr(data-tooltip);color:#ffffffeb;border-radius:var(--radius-md);white-space:nowrap;opacity:0;pointer-events:none;z-index:50;background:#0f172af0;padding:6px 11px;font-size:.7rem;font-weight:500;transition:opacity .15s,transform .15s;position:absolute;top:calc(100% + 10px);right:0;transform:translateY(-3px);box-shadow:0 4px 14px #00000040}.health-badge:hover:after{opacity:1;transform:translateY(0)}.health-dot{border-radius:50%;flex-shrink:0;width:7px;height:7px}.health-dot.online{background:#4ade80;animation:2.2s ease-out infinite pulse-online}.health-dot.offline{background:#f87171;box-shadow:0 0 6px #f87171a6}.health-dot.checking{background:#ffffff4d}.config-output{border-radius:var(--radius-md);border:1px solid var(--border);margin-top:16px;animation:.18s fade-in;overflow:hidden}.config-output-header{text-transform:uppercase;letter-spacing:.12em;color:#ffffff61;background:#1a2540;justify-content:space-between;align-items:center;padding:10px 16px;font-size:.63rem;font-weight:700;display:flex}.config-output-body{color:#e2e8f0;font-family:var(--font-mono);white-space:pre;background:#0d1526;padding:16px 20px;font-size:.73rem;line-height:1.85;overflow-x:auto}.config-output-body::-webkit-scrollbar{height:5px}.config-output-body::-webkit-scrollbar-track{background:0 0}.config-output-body::-webkit-scrollbar-thumb{background:#ffffff14;border-radius:3px}.config-note{background:var(--accent-light);border-top:1px solid var(--accent-mid);color:#1e40af;padding:12px 16px;font-size:.78rem;line-height:1.55}.lti-version-notice{background:var(--surface-muted);border:1.5px solid var(--border);border-radius:var(--radius-md);color:var(--text-secondary);align-items:baseline;gap:10px;margin:0 28px 20px;padding:10px 14px;font-size:.8rem;line-height:1.5;display:flex}.lti-version-badge{background:var(--accent-mid);color:#1e40af;letter-spacing:.03em;white-space:nowrap;border-radius:20px;flex-shrink:0;padding:2px 8px;font-size:.7rem;font-weight:700;display:inline-block}[data-theme=dark] .lti-version-notice{color:var(--text-secondary);background:#58a6ff0f;border-color:#58a6ff33}[data-theme=dark] .lti-version-badge{color:#79b8ff;background:#58a6ff2e}.seg-control{background:var(--surface-muted);border:1.5px solid var(--border);border-radius:var(--radius-md);gap:2px;width:100%;padding:3px;display:flex}.seg-option{font-size:.83rem;font-family:var(--font);color:var(--text-muted);cursor:pointer;white-space:nowrap;text-align:center;letter-spacing:-.01em;background:0 0;border:none;border-radius:8px;flex:1;padding:9px 10px;font-weight:500;transition:background .13s,color .13s,box-shadow .13s}.seg-option:hover{color:var(--text);background:#ffffffa6}.seg-option.active{background:var(--surface);color:var(--primary);font-weight:700;box-shadow:0 1px 4px #0000001a,0 1px 2px #0000000f}.tools-subnav{border-bottom:1px solid var(--border);grid-template-columns:1fr 1fr;gap:0;display:grid}.tools-subnav-btn{background:var(--surface-muted);border:none;border-right:1px solid var(--border);cursor:pointer;font-family:var(--font);text-align:left;flex-direction:column;align-items:flex-start;gap:3px;padding:16px 24px;transition:background .14s;display:flex}.tools-subnav-btn:last-child{border-right:none}.tools-subnav-btn:hover{background:var(--surface-hover)}.tools-subnav-btn.active{background:var(--surface);box-shadow:inset 0 -2px 0 var(--primary)}.tools-subnav-label{color:var(--text-muted);letter-spacing:-.01em;font-size:.85rem;font-weight:700}.tools-subnav-btn.active .tools-subnav-label{color:var(--primary)}.tools-subnav-tag{color:var(--text-subtle);font-size:.7rem;font-weight:400}.tools-subnav-btn.active .tools-subnav-tag{color:var(--text-muted)}.tool-view{animation:.16s fade-in}.tools-intro{background:linear-gradient(135deg, var(--accent-light), var(--surface-muted));border-bottom:1px solid var(--border);align-items:flex-start;gap:14px;padding:20px 28px;display:flex}.tools-intro-icon{flex-shrink:0;margin-top:2px;font-size:1.5rem}.tools-intro strong{color:var(--text);margin-bottom:3px;font-size:.9rem;font-weight:700;display:block}.tools-intro p{color:var(--text-muted);margin:0;font-size:.8rem;line-height:1.55}.tool-card{border-bottom:1px solid var(--border)}.tool-card:last-child{border-bottom:none}.tool-card-header{align-items:flex-start;gap:14px;padding:22px 28px 0;display:flex}.tool-card-icon{background:var(--surface-muted);border:1px solid var(--border);border-radius:var(--radius-md);flex-shrink:0;justify-content:center;align-items:center;width:44px;height:44px;font-size:1.5rem;display:flex}.tool-card-title{color:var(--text);letter-spacing:-.02em;margin-bottom:4px;font-size:.95rem;font-weight:700}.tool-card-desc{color:var(--text-muted);font-size:.8rem;line-height:1.55}.tool-guidance{background:var(--surface-muted);border:1px solid var(--border);border-radius:var(--radius-md);margin:16px 28px;padding:14px 16px}.tool-guidance-title{text-transform:uppercase;letter-spacing:.1em;color:var(--text-muted);margin-bottom:10px;font-size:.68rem;font-weight:700}.tool-guidance-steps{counter-reset:steps;flex-direction:column;gap:7px;margin:0;padding:0;list-style:none;display:flex}.tool-guidance-steps li{counter-increment:steps;color:var(--text-muted);align-items:flex-start;gap:10px;font-size:.8rem;line-height:1.5;display:flex}.tool-guidance-steps li:before{content:counter(steps);background:var(--primary);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:20px;height:20px;margin-top:1px;font-size:.65rem;font-weight:700;display:flex}.tool-guidance-steps code{font-family:var(--font-mono);background:var(--surface);border:1px solid var(--border);color:var(--primary);border-radius:4px;padding:1px 5px;font-size:.73rem}.tool-guidance-steps kbd{font-family:var(--font-mono);background:var(--surface);border:1px solid var(--border);color:var(--text);border-bottom-width:2px;border-radius:4px;padding:1px 5px;font-size:.68rem}.tool-card-body{padding-top:4px}.platform-grid{grid-template-columns:repeat(4,1fr);gap:8px;margin-top:2px;display:grid}.platform-card{background:var(--surface-muted);border:1.5px solid var(--border);border-radius:var(--radius-md);cursor:pointer;font-family:var(--font);flex-direction:column;justify-content:center;align-items:center;gap:6px;padding:12px 8px;transition:all .14s;display:flex}.platform-card:hover{background:var(--surface);border-color:var(--accent-mid);box-shadow:var(--shadow-sm);transform:translateY(-1px)}.platform-card.active{background:var(--accent-light);border-color:var(--primary);box-shadow:0 0 0 3px #3b82f61f}.platform-icon{font-size:1.3rem}.platform-label{color:var(--text-muted);text-align:center;letter-spacing:-.01em;font-size:.72rem;font-weight:600}.platform-card.active .platform-label{color:var(--primary)}.dark-toggle{border-radius:var(--radius-pill);cursor:pointer;z-index:1;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#ffffff1a;border:1px solid #ffffff26;flex-shrink:0;justify-content:center;align-items:center;width:34px;height:34px;font-size:1rem;transition:background .14s,border-color .14s;display:flex;position:relative}.dark-toggle:hover{background:#ffffff2e;border-color:#ffffff42}.embedded-banner{background:var(--warn-bg);border-bottom:1px solid var(--warn-border);color:var(--warn-text);text-align:center;padding:10px 20px;font-size:.78rem;font-weight:500}.embedded-banner a{color:var(--primary);font-weight:700;text-decoration:underline}