.jwt-tool .tool-container{max-width:1280px;margin:0 auto}.jwt-tool .tool-header{margin-bottom:12px}.jwt-tool .tool-title{font-size:1.6rem;font-weight:700;margin:0 0 6px}.jwt-tool .tool-description{color:var(--muted-text);margin:0 0 10px}.jwt-tool .mode-toggle{display:flex;gap:8px;margin:10px 0 14px;flex-wrap:wrap}.jwt-tool .mode-btn{padding:8px 14px;border-radius:10px;border:1px solid var(--card-border);background:var(--card-bg);cursor:pointer;font-weight:600;color:var(--text-color)}.jwt-tool .mode-btn.active{background:var(--primary-color);color:#fff;border-color:var(--primary-color)}body:not(.dark) .jwt-tool .mode-btn{background:#f3f4f6;border-color:#e5e7eb;color:#111827}body:not(.dark) .jwt-tool .mode-btn:hover{background:#e5e7eb}.dark .jwt-tool .mode-btn{background:#ffffff0f;border-color:#ffffff2e;color:#e5e7eb}.dark .jwt-tool .mode-btn:hover{background:#ffffff1a}.dark .jwt-tool .mode-btn.active{background:var(--primary-color);color:#fff;border-color:var(--primary-color)}.jwt-tool .workspace-grid{display:grid;grid-template-columns:1fr;gap:14px;align-items:start}@media (min-width:1024px){.jwt-tool .workspace-grid{grid-template-columns:1fr 1fr;gap:16px}}.jwt-tool .pane{background:var(--card-bg);border:1px solid var(--card-border);border-radius:12px;padding:12px;box-shadow:var(--card-shadow)}.jwt-tool .input-group{display:flex;flex-direction:column;gap:6px;margin-bottom:10px}.jwt-tool .input-label{font-weight:600}.jwt-tool .input-field{width:100%;border:1px solid var(--card-border);border-radius:10px;padding:10px 12px;background:var(--panel-bg,#0f1115);color:var(--text-color)}.jwt-tool .input-field.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace}.jwt-tool .input-field.large{min-height:220px}.jwt-tool .select-field{padding:8px 10px;border-radius:10px;border:1px solid var(--card-border);background:var(--card-bg);color:var(--text-color)}body:not(.dark) .jwt-tool :is(.example-code,.input-field,.json-display,.output-display,.signature-display){background:#fff;color:#111827;border-color:#e5e7eb}.jwt-tool .input-field:focus{outline:2px solid var(--primary-color);outline-offset:2px;border-color:var(--primary-color)}.jwt-tool .encode-options{display:grid;grid-template-columns:1fr;gap:10px;margin:8px 0 2px}@media (min-width:600px){.jwt-tool .encode-options{grid-template-columns:1fr 1fr}}.jwt-tool .option-group{display:flex;flex-direction:column;gap:6px}.jwt-tool .option-label{font-weight:600}.jwt-tool .action-buttons{display:flex;gap:10px;flex-wrap:wrap;margin-top:8px}.jwt-tool .primary-btn{padding:10px 14px;background:var(--primary-color);color:#fff;border:1px solid var(--primary-color);border-radius:10px;font-weight:700;cursor:pointer}.jwt-tool .secondary-btn{padding:10px 14px;background:var(--card-bg);color:var(--text-color);border:1px solid var(--card-border);border-radius:10px;font-weight:600;cursor:pointer}body:not(.dark) .jwt-tool .secondary-btn{background:#f9fafb;border-color:#e5e7eb;color:#111827}.dark .jwt-tool .secondary-btn{background:#ffffff0f;border-color:#ffffff2e;color:#e5e7eb}.jwt-tool .output-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}.jwt-tool .copy-btn{padding:8px 12px;border-radius:10px;border:1px solid var(--card-border);background:var(--accent-bg);color:var(--text-color);cursor:pointer}.jwt-tool .output-content{position:relative}.jwt-tool .output-display{border:1px dashed var(--card-border);border-radius:10px;padding:10px;min-height:220px;background:var(--panel-bg,#0f1115);color:var(--muted-text)}.jwt-tool .output-display.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace}.jwt-tool .output-display.large{min-height:280px}.jwt-tool .output-display.muted{opacity:.8}.jwt-tool .json-display{background:var(--panel-bg,#0f1115);border:1px solid var(--card-border);border-radius:10px;padding:10px;overflow:auto;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace}.jwt-tool .jwt-section{margin-bottom:10px}.jwt-tool .signature-display{background:var(--panel-bg,#0f1115);border:1px solid var(--card-border);border-radius:10px;padding:10px;overflow:auto;word-break:break-all}.jwt-tool .expiration-info{display:flex;gap:10px;align-items:center;margin-top:6px}.jwt-tool .status{padding:4px 8px;border-radius:999px;font-size:.85rem;border:1px solid var(--card-border)}.jwt-tool .status.valid{background:#22c55e26;color:#22c55e;border-color:#22c55e59}.jwt-tool .status.expired{background:#ef444426;color:#ef4444;border-color:#ef444459}.jwt-tool .expiration-date{color:var(--muted-text)}.jwt-tool .examples-section{margin-top:16px}.jwt-tool .examples-grid{display:grid;grid-template-columns:1fr;gap:12px}@media (min-width:700px){.jwt-tool .examples-grid{grid-template-columns:1fr 1fr}}.jwt-tool .example-card{background:var(--card-bg);border:1.5px solid var(--card-border,#e5e7eb);border-radius:12px;padding:12px;box-shadow:var(--card-shadow)}.dark .jwt-tool .example-card{background:#111827;border-color:#ffffff2e}.jwt-tool .example-code{display:block;margin:6px 0 10px;padding:8px;background:var(--panel-bg,#0f1115);border-radius:8px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace;word-break:break-all}.dark .jwt-tool .example-code{background:#0f172a;color:#e5e7eb;border:1px solid #ffffff1f}.jwt-tool .example-btn{padding:8px 12px;border-radius:10px;border:1px solid var(--card-border);background:var(--accent-bg);color:var(--text-color);cursor:pointer}body:not(.dark) .jwt-tool .example-btn{background:#f3f4f6;border-color:#e5e7eb;color:#111827}.dark .jwt-tool .example-btn{background:#ffffff0f;border-color:#ffffff2e;color:#e5e7eb}.whiteboard-stage{width:100%}.whiteboard-stage:fullscreen{width:100vw;height:100vh;background:var(--page-bg,#0b0b0b);overflow:auto}