:root{--brass:#c8a84b;--brass-light:#d9bc72;--brass-dark:#9a7e35;--olive:#a8c44a;--ink:#0e1219;--ink-alt:#090d12;--ink-mid:#111620;--bg-app:var(--ink-alt);--bg-panel:#0e1219b3;--bg-glass-input:#ffffff0a;--bg-glass-input-hover:#ffffff14;--bg-glass-input-focus:#090d12b3;--bg-toggle-active:#ffffff1a;--text-main:#ffffffd9;--text-heading:#fff;--text-muted:#ffffff73;--text-label:#ffffff8c;--border-color:#ffffff1a;--border-glass:#ffffff14;--border-input:#c8a84b47;--glass-shadow:0 8px 32px 0 #0000005e;--glass-blur:blur(12px);--radius-sm:.5rem;--radius-md:.75rem;--radius-lg:1rem}body.light-theme{--bg-app:#f4f5f7;--bg-panel:#ffffffd9;--bg-glass-input:#00000008;--bg-glass-input-hover:#0000000f;--bg-glass-input-focus:#fff;--bg-toggle-active:#00000014;--text-main:#333;--text-heading:var(--ink);--text-muted:#0000008c;--text-label:#000000a6;--border-color:#0000001a;--border-glass:#00000014;--border-input:#c8a84b66;--glass-shadow:0 8px 32px 0 #00000014}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-app);color:var(--text-main);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100vh;font-family:Inter,system-ui,sans-serif;font-size:16px;line-height:1.6}::selection{background:var(--brass);color:var(--ink)}.glass-panel{background:var(--bg-panel);-webkit-backdrop-filter:var(--glass-blur);border:1px solid var(--border-glass);box-shadow:var(--glass-shadow);border-radius:var(--radius-lg)}.app-container{flex-direction:column;width:100%;max-width:1400px;min-height:100vh;margin:0 auto;padding:2rem;display:flex}.header{text-align:center;margin-bottom:3rem;padding-top:1rem}.header h1{text-transform:uppercase;color:var(--text-heading);letter-spacing:-.01em;margin-bottom:.5rem;font-family:Barlow Condensed,Impact,sans-serif;font-size:3.5rem;font-weight:800}.header p{color:var(--text-muted);font-size:1.1rem}.main-content{grid-template-columns:1fr 1fr;align-items:start;gap:3rem;display:grid}.main-content>*{min-width:0}.form-container{padding:2rem}.form-container h2{text-transform:uppercase;letter-spacing:.05em;color:var(--text-heading);font-family:Barlow Condensed,Impact,sans-serif;font-weight:700}.form-group{margin-bottom:1.5rem}.form-group label{color:var(--text-label);text-transform:uppercase;letter-spacing:.3em;margin-bottom:.5rem;font-family:JetBrains Mono,ui-monospace,monospace;font-size:10px;font-weight:500;display:block}.form-control{background-color:var(--bg-glass-input);border:1px solid var(--border-input);border-radius:var(--radius-sm);width:100%;min-width:0;color:var(--text-heading);box-shadow:none;padding:.75rem .9rem;font-family:Inter,system-ui,sans-serif;font-size:14px;transition:border-color .2s,background .2s}.form-control:hover{background-color:var(--bg-glass-input-hover);border-color:#c8a84b73}.form-control:focus{background-color:var(--bg-glass-input-focus);border-color:#c8a84ba6;outline:none;box-shadow:0 0 0 3px #c8a84b26}select.form-control{appearance:none;background-image:url("data:image/svg+xml;utf8,<svg fill=\"%23C8A84B\" viewBox=\"0 0 24 24\" xmlns=\"http://www.w3.org/2000/svg\"><path d=\"M7 10l5 5 5-5z\"/></svg>");background-position:right .75rem center;background-repeat:no-repeat;background-size:1.5em;padding-right:2.5rem}.form-control::placeholder{color:var(--text-muted);opacity:1;font-weight:400}.file-upload-wrapper{align-items:center;gap:1rem;margin-top:.5rem;display:flex}.file-upload-btn{background:var(--bg-glass-input);border:1px dashed var(--border-input);border-radius:var(--radius-sm);cursor:pointer;color:var(--text-main);text-align:center;flex:1;padding:.8rem;font-size:.9rem;transition:all .2s;position:relative;overflow:hidden}.file-upload-btn input[type=file]{opacity:0;cursor:pointer;width:100%;height:100%;position:absolute;top:0;left:0}.file-upload-btn:hover{background-color:var(--bg-glass-input-hover);color:var(--text-heading);border-color:#c8a84ba6}.file-upload-btn.drag-over{background-color:var(--bg-glass-input-focus);border-color:var(--brass);color:var(--text-heading)}.uploaded-file-badge{background-color:var(--bg-glass-input);border:1px solid var(--border-glass);border-radius:var(--radius-sm);justify-content:space-between;align-items:center;padding:.6rem 1rem;display:flex}.file-name{color:var(--text-main);white-space:nowrap;text-overflow:ellipsis;margin-right:1rem;font-size:.85rem;overflow:hidden}.delete-file-btn{color:var(--text-muted);cursor:pointer;background:0 0;border:none;padding:.2rem;font-size:1rem;line-height:1;transition:color .2s}.delete-file-btn:hover{color:#ef4444}.file-preview{object-fit:cover;background:var(--ink);border:2px solid var(--brass);border-radius:50%;width:50px;height:50px}.logo-preview{object-fit:contain;background:var(--ink);border-radius:4px;width:100px;height:auto;max-height:50px;padding:5px}.toggle-group{gap:1rem;display:flex}.toggle-btn{background:var(--bg-glass-input);border:1px solid var(--border-glass);border-radius:var(--radius-sm);min-width:0;color:var(--text-muted);cursor:pointer;flex:1;padding:.75rem .9rem;font-family:Inter,system-ui,sans-serif;font-weight:600;transition:all .2s}.toggle-btn.active{background:var(--brass);border-color:var(--brass);color:var(--ink)}.helper-text{color:var(--text-muted);margin-top:.4rem;font-size:11px;display:block}.helper-text.warning{color:#fbbf24}.preview-container{padding:2rem}.preview-header{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;margin-bottom:1.5rem;padding-bottom:1rem;display:flex}.preview-header h2{text-transform:uppercase;letter-spacing:.05em;color:var(--text-heading);font-family:Barlow Condensed,Impact,sans-serif;font-size:1.5rem;font-weight:700}.action-buttons{gap:1rem;display:flex}.btn{border-radius:var(--radius-sm);text-transform:uppercase;letter-spacing:.12em;cursor:pointer;border:none;padding:.6rem 1.2rem;font-family:Barlow Condensed,Impact,sans-serif;font-size:14px;font-weight:700;transition:all .2s}.btn-primary{background:var(--brass);color:var(--ink)}.btn-primary:hover{background:var(--brass-light);transform:translateY(-2px);box-shadow:0 4px 12px #c8a84b4d}.btn-secondary{background:var(--bg-glass-input);color:var(--text-main);border:1px solid var(--border-glass)}.btn-secondary:hover{background:var(--bg-glass-input-hover);border-color:var(--border-color)}.signature-wrapper{border-radius:var(--radius-md);background:#fff;padding:2rem;overflow-x:auto;box-shadow:inset 0 0 0 1px #0000001a}.input-method-switch{background:var(--bg-glass-input);border-radius:var(--radius-sm);border:1px solid var(--border-glass);margin-bottom:.5rem;padding:4px;display:flex}.input-method-switch button{min-width:0;color:var(--text-muted);cursor:pointer;background:0 0;border:none;border-radius:4px;flex:1;padding:.4rem;font-family:Inter,system-ui,sans-serif;font-size:.85rem;font-weight:500;transition:all .2s}.input-method-switch button.active{background:var(--bg-toggle-active);color:var(--text-main)}.theme-toggle-btn{background:var(--bg-glass-input);border:1px solid var(--border-glass);color:var(--text-main);border-radius:var(--radius-sm);cursor:pointer;text-transform:uppercase;letter-spacing:.1em;padding:8px 16px;font-family:JetBrains Mono,monospace;font-size:12px;transition:all .2s;position:absolute;top:0;right:0}.theme-toggle-btn:hover{background:var(--bg-glass-input-hover)}@media (width<=968px){.main-content{grid-template-columns:1fr}}@media (width<=768px){.app-container{padding:1rem}.header h1{font-size:2.5rem}.header{margin-bottom:2rem}.theme-toggle-btn{margin:0 auto 1.5rem;display:block;position:static}.form-container,.preview-container{padding:1rem}.action-buttons{flex-direction:column}.file-upload-wrapper{flex-direction:column;align-items:stretch}}@media (width<=480px){.header h1{font-size:2rem;line-height:1.1}.signature-wrapper{padding:2rem .5rem}.form-container h2,.preview-header h2{font-size:1.25rem}.app-container{padding:.5rem}.form-container,.preview-container{padding:1rem}.toggle-btn,.input-method-switch button{padding:.5rem;font-size:.8rem}.toggle-group{gap:.5rem}}.accordion-item{border:1px solid var(--border-glass);border-radius:var(--radius-sm);background:var(--bg-glass-input);margin-bottom:.5rem;overflow:hidden}.master-accordion>.accordion-header{background:#c8a84b0d;padding:1rem}.sub-accordion{border:1px solid var(--border-glass);background:0 0;margin-bottom:.5rem}.sub-accordion>.accordion-header{padding:.75rem 1rem;font-size:.95rem}.accordion-header{width:100%;color:var(--text-heading);cursor:pointer;text-align:left;background:0 0;border:none;justify-content:space-between;align-items:center;font-family:Inter,sans-serif;font-weight:600;transition:background .2s;display:flex}.accordion-header:hover{background:var(--bg-glass-input-hover)}.accordion-icon{color:#c8a84b;font-family:monospace;font-size:1.25rem}.accordion-content{border-top:1px solid var(--border-glass);padding:1rem}.instruction-list{color:var(--text-main);margin:0;padding-left:1.5rem;font-size:.9rem;line-height:1.6}.instruction-list li{margin-bottom:.5rem}.instruction-list strong{color:var(--text-heading)}.instruction-list code{background:var(--bg-panel);color:#c8a84b;border-radius:3px;padding:.1rem .3rem;font-family:JetBrains Mono,monospace;font-size:.85rem}.outlook-warning{color:var(--text-main);background:#c8a84b1a;border-left:3px solid #c8a84b;margin-bottom:1rem;padding:.75rem;font-size:.85rem}.modal-overlay{-webkit-backdrop-filter:blur(8px);z-index:1000;background:#090d12d9;justify-content:center;align-items:center;width:100%;height:100%;padding:1rem;display:flex;position:fixed;top:0;left:0}.modal-content{text-align:center;width:100%;max-width:400px;padding:2.5rem;animation:.3s cubic-bezier(.175,.885,.32,1.275) forwards modalPop}@keyframes modalPop{0%{opacity:0;transform:scale(.95)translateY(10px)}to{opacity:1;transform:scale(1)translateY(0)}}.modal-content h3{text-transform:uppercase;color:var(--brass);letter-spacing:.05em;margin-bottom:1rem;font-family:Barlow Condensed,Impact,sans-serif;font-size:1.5rem;font-weight:700}.modal-content p{color:var(--text-main);margin-bottom:2rem;font-size:1.05rem}.modal-actions{justify-content:center;display:flex}