:root{--primary:#2563eb;--primary-hover:#1d4ed8;--primary-light:#eff6ff;--primary-border:#bfdbfe;--bg-page:#f8fafc;--bg-card:#fff;--text-primary:#0f172a;--text-secondary:#475569;--text-muted:#94a3b8;--border-color:#e2e8f0;--success:#10b981;--success-light:#ecfdf5;--danger:#ef4444;--danger-light:#fef2f2;--font-sans:"Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-heading:"Outfit", var(--font-sans);--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-full:9999px;--shadow-sm:0 1px 3px 0 #0000000d, 0 1px 2px -1px #0000000d;--shadow-md:0 4px 6px -1px #0000000d, 0 2px 4px -2px #0000000d;--shadow-lg:0 10px 15px -3px #0000000d, 0 4px 6px -4px #0000000d;--shadow-xl:0 20px 25px -5px #00000014, 0 8px 10px -6px #00000014;--transition-fast:.15s cubic-bezier(.4, 0, .2, 1);--transition-normal:.25s cubic-bezier(.4, 0, .2, 1)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background-color:var(--bg-page);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100vh;line-height:1.5}#root{flex-direction:column;max-width:1400px;min-height:100vh;margin:0 auto;padding:0 1.5rem;display:flex}h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);color:var(--text-primary);font-weight:700;line-height:1.25}header{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;margin-bottom:2rem;padding:1.5rem 0;display:flex}.logo-container{align-items:center;gap:.75rem;display:flex}.logo-icon{background:linear-gradient(135deg, var(--primary) 0%, #1d4ed8 100%);color:#fff;border-radius:var(--radius-md);justify-content:center;align-items:center;width:2.75rem;height:2.75rem;display:flex;box-shadow:0 4px 12px #2563eb33}.logo-text h1{letter-spacing:-.025em;background:linear-gradient(to right, var(--text-primary), var(--primary));-webkit-text-fill-color:transparent;-webkit-background-clip:text;font-size:1.5rem;font-weight:800}.dashboard-grid{grid-template-columns:1.2fr 1fr;align-items:start;gap:2rem;margin-bottom:3rem;display:grid}@media (width<=968px){.dashboard-grid{grid-template-columns:1fr}}.card{background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);transition:box-shadow var(--transition-normal), border-color var(--transition-normal);padding:2rem}.card:hover{box-shadow:var(--shadow-md);border-color:#2563eb26}.tabs-container{background-color:var(--bg-page);border-radius:var(--radius-md);border:1px solid var(--border-color);gap:.5rem;margin-bottom:1.5rem;padding:.375rem;display:flex;overflow-x:auto}.tab-btn{color:var(--text-secondary);font-family:var(--font-sans);border-radius:var(--radius-sm);cursor:pointer;white-space:nowrap;transition:all var(--transition-fast);background:0 0;border:none;flex:1;justify-content:center;align-items:center;gap:.5rem;padding:.75rem 1rem;font-size:.875rem;font-weight:500;display:flex}.tab-btn:hover{color:var(--text-primary);background-color:#00000005}.tab-btn.active{background-color:var(--bg-card);color:var(--primary);box-shadow:var(--shadow-sm)}.form-group{margin-bottom:1.25rem}.form-group label{color:var(--text-primary);margin-bottom:.5rem;font-size:.875rem;font-weight:600;display:block}.input-field{border:1px solid var(--border-color);border-radius:var(--radius-md);width:100%;font-family:var(--font-sans);color:var(--text-primary);background-color:var(--bg-card);transition:border-color var(--transition-fast), box-shadow var(--transition-fast);padding:.75rem 1rem;font-size:.95rem}.input-field:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 3px #2563eb1a}.input-field::placeholder{color:var(--text-muted)}.settings-section{border-top:1px solid var(--border-color);margin-top:1.5rem;padding-top:1.5rem}.settings-title{align-items:center;gap:.5rem;margin-bottom:1rem;font-size:1.1rem;font-weight:700;display:flex}.controls-grid{grid-template-columns:repeat(2,1fr);gap:1.25rem;display:grid}@media (width<=480px){.controls-grid{grid-template-columns:1fr}}.color-picker-container{border:1px solid var(--border-color);border-radius:var(--radius-md);align-items:center;gap:.75rem;padding:.5rem .75rem;display:flex}.color-input{border-radius:var(--radius-sm);cursor:pointer;background:0 0;border:none;outline:none;width:2.25rem;height:2.25rem;padding:0}.color-input::-webkit-color-swatch-wrapper{padding:0}.color-input::-webkit-color-swatch{border:1px solid var(--border-color);border-radius:var(--radius-sm)}.color-text{text-transform:uppercase;color:var(--text-secondary);font-family:monospace;font-size:.875rem;font-weight:600}.slider-container{flex-direction:column;gap:.5rem;display:flex}.slider-header{justify-content:space-between;font-size:.875rem;font-weight:600;display:flex}.slider-val{color:var(--primary)}.range-slider{-webkit-appearance:none;border-radius:var(--radius-full);background:var(--border-color);outline:none;width:100%;height:6px}.range-slider::-webkit-slider-thumb{appearance:none;background:var(--primary);cursor:pointer;width:18px;height:18px;transition:transform var(--transition-fast);border-radius:50%}.range-slider::-webkit-slider-thumb:hover{transform:scale(1.15)}.file-upload-wrapper{width:100%;display:inline-block;position:relative;overflow:hidden}.file-upload-btn{border:1px dashed var(--primary-border);background-color:var(--primary-light);color:var(--primary);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);justify-content:center;align-items:center;gap:.5rem;padding:.75rem 1rem;font-size:.875rem;font-weight:600;display:flex}.file-upload-btn:hover{background-color:var(--primary-border)}.file-upload-wrapper input[type=file]{opacity:0;cursor:pointer;font-size:100px;position:absolute;top:0;left:0}.select-wrapper{position:relative}.select-field{appearance:none;border:1px solid var(--border-color);border-radius:var(--radius-md);width:100%;font-family:var(--font-sans);background-color:var(--bg-card);color:var(--text-primary);cursor:pointer;padding:.75rem 1rem;font-size:.95rem}.select-field:focus{border-color:var(--primary);outline:none}.btn{border-radius:var(--radius-md);font-family:var(--font-sans);cursor:pointer;transition:all var(--transition-fast);border:none;justify-content:center;align-items:center;gap:.5rem;padding:.75rem 1.5rem;font-size:.95rem;font-weight:600;display:inline-flex}.btn-primary{background-color:var(--primary);color:#fff;box-shadow:0 4px 10px #2563eb26}.btn-primary:hover{background-color:var(--primary-hover);transform:translateY(-1px);box-shadow:0 6px 14px #2563eb40}.btn-secondary{background-color:var(--bg-page);color:var(--text-primary);border:1px solid var(--border-color)}.btn-secondary:hover{background-color:var(--border-color)}.btn-outline{border:1px solid var(--border-color);color:var(--text-secondary);background-color:#0000}.btn-outline:hover{border-color:var(--primary);color:var(--primary);background-color:var(--primary-light)}.preview-card{flex-direction:column;justify-content:center;align-items:center;display:flex;position:sticky;top:2rem}.qr-canvas-container{border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);border:1px solid var(--border-color);background:#fff;justify-content:center;align-items:center;min-width:240px;min-height:240px;margin-bottom:2rem;padding:1.5rem;display:flex;position:relative}.logo-badge{background-color:var(--primary);color:#fff;border-radius:var(--radius-full);box-shadow:var(--shadow-sm);padding:.25rem .75rem;font-size:.75rem;font-weight:700;position:absolute;top:-10px;right:-10px}.action-buttons{flex-direction:column;gap:.75rem;width:100%;display:flex}.btn-group-row{grid-template-columns:1fr 1fr;gap:.75rem;display:grid}.history-section{margin-top:3rem;margin-bottom:4rem}.history-header{justify-content:space-between;align-items:center;margin-bottom:1.5rem;display:flex}.history-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.5rem;display:grid}.history-card{background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);transition:all var(--transition-fast);align-items:center;gap:1rem;padding:1.25rem;display:flex;position:relative}.history-card:hover{box-shadow:var(--shadow-md);border-color:var(--primary-border);transform:translateY(-2px)}.history-qr-mini{border-radius:var(--radius-sm);background-color:#f1f5f9;justify-content:center;align-items:center;padding:.5rem;display:flex}.history-details{flex:1;min-width:0}.history-details h4{white-space:nowrap;text-overflow:ellipsis;margin-bottom:.25rem;font-size:.95rem;font-weight:600;overflow:hidden}.history-details p{color:var(--text-secondary);white-space:nowrap;text-overflow:ellipsis;margin-bottom:.5rem;font-size:.8rem;overflow:hidden}.history-actions{gap:.5rem;display:flex}.btn-icon{color:var(--text-secondary);cursor:pointer;border-radius:var(--radius-sm);transition:all var(--transition-fast);background:0 0;border:none;justify-content:center;align-items:center;padding:.25rem;display:flex}.btn-icon:hover{color:var(--primary);background-color:var(--primary-light)}.btn-icon-danger:hover{color:var(--danger);background-color:var(--danger-light)}.toast{background-color:var(--text-primary);color:#fff;border-radius:var(--radius-full);box-shadow:var(--shadow-lg);opacity:0;z-index:1000;align-items:center;gap:.5rem;padding:.75rem 1.5rem;font-size:.875rem;font-weight:500;transition:transform .3s cubic-bezier(.16,1,.3,1),opacity .3s;display:flex;position:fixed;bottom:2rem;left:50%;transform:translate(-50%)translateY(100px)}.toast.show{opacity:1;transform:translate(-50%)translateY(0)}.info-box{background-color:var(--primary-light);border:1px solid var(--primary-border);color:var(--text-secondary);border-radius:var(--radius-md);align-items:flex-start;gap:.5rem;margin-bottom:1.25rem;padding:.75rem 1rem;font-size:.875rem;display:flex}.info-box svg{color:var(--primary);flex-shrink:0;margin-top:.125rem}footer{text-align:center;border-top:1px solid var(--border-color);color:var(--text-muted);margin-top:auto;padding:2.5rem 0;font-size:.875rem}footer a{color:var(--primary);font-weight:500;text-decoration:none}footer a:hover{text-decoration:underline}.wifi-grid{grid-template-columns:1fr 1fr;gap:1rem;display:grid}