:root{--bg-primary: #f3f4f6;--bg-secondary: #ffffff;--bg-tertiary: #f9fafb;--text-primary: #111827;--text-secondary: #4b5563;--text-light: #9ca3af;--accent: #6366f1;--accent-hover: #4f46e5;--accent-light: #e0e7ff;--border: #e5e7eb;--border-light: #f3f4f6;--success: #10b981;--success-hover: #059669;--error: #ef4444;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 10px 10px -5px rgba(0, 0, 0, .04);--font-sans: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif}[data-theme=dark]{--bg-primary: #0f172a;--bg-secondary: #1e293b;--bg-tertiary: #334155;--text-primary: #f8fafc;--text-secondary: #cbd5e1;--text-light: #94a3b8;--accent: #818cf8;--accent-hover: #a5b4fc;--accent-light: #312e81;--border: #334155;--border-light: #475569;--success: #34d399;--success-hover: #10b981;--error: #f87171;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .3);--shadow: 0 4px 6px -1px rgba(0, 0, 0, .3), 0 2px 4px -1px rgba(0, 0, 0, .2);--shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, .5), 0 10px 10px -5px rgba(0, 0, 0, .3)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-sans);background:var(--bg-primary);background-image:linear-gradient(to bottom right,var(--bg-primary),var(--bg-tertiary));min-height:100vh;padding:1rem;font-size:16px;line-height:1.6;color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.container{max-width:440px;margin:2rem auto;background:var(--bg-secondary);border-radius:24px;box-shadow:var(--shadow-lg);padding:2.5rem;position:relative;overflow:hidden;border:1px solid var(--border-light)}.container:before{content:"";position:absolute;top:0;left:0;right:0;height:6px;background:linear-gradient(90deg,var(--accent),var(--accent-hover))}h1{text-align:center;color:var(--text-primary);margin-bottom:2rem;font-size:2rem;font-weight:800;letter-spacing:-.03em;background:linear-gradient(135deg,var(--text-primary) 0%,var(--accent) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.theme-toggle{position:absolute;top:1.25rem;right:1.25rem;background:transparent;color:var(--text-secondary);border:1px solid transparent;border-radius:50%;width:42px;height:42px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s ease}.theme-toggle:hover{background:var(--bg-tertiary);color:var(--accent);border-color:var(--border)}.type-selector{margin-bottom:2rem}.type-tabs{display:grid;grid-template-columns:repeat(4,1fr);gap:.25rem;margin-bottom:1.5rem;background:var(--bg-tertiary);padding:.35rem;border-radius:16px;border:1px solid var(--border)}.type-tab{padding:.6rem .25rem;border:none;background:transparent;border-radius:12px;font-size:.75rem;font-weight:600;cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1);color:var(--text-light);text-align:center;display:flex;flex-direction:column;align-items:center;gap:.35rem;position:relative}.type-tab.active{background:var(--bg-secondary);color:var(--accent);box-shadow:var(--shadow-sm)}.type-tab:hover:not(.active){color:var(--text-primary);background:#00000008}[data-theme=dark] .type-tab:hover:not(.active){background:#ffffff0d}.tab-icon{font-size:1.25rem;width:24px;height:24px;display:inline-flex;align-items:center;justify-content:center;transition:transform .2s ease}.type-tab.active .tab-icon{transform:scale(1.1)}.form-section{margin-bottom:1.5rem;animation:fadeIn .4s cubic-bezier(.4,0,.2,1)}@keyframes fadeIn{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}.input-group{margin-bottom:1.25rem}.input-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}label{display:block;margin-bottom:.5rem;font-weight:500;color:var(--text-secondary);font-size:.875rem;letter-spacing:.01em}input[type=text],input[type=email],input[type=tel],input[type=password],textarea,select{width:100%;padding:.875rem 1rem;border:1px solid var(--border);border-radius:12px;font-size:.95rem;transition:all .2s ease;background:var(--bg-tertiary);color:var(--text-primary)}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-light);background:var(--bg-secondary)}textarea{min-height:120px;resize:vertical;line-height:1.5}select{cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");background-position:right .75rem center;background-repeat:no-repeat;background-size:1.5em 1.5em;padding-right:2.5rem}.generate-btn{width:100%;background:linear-gradient(135deg,var(--accent),var(--accent-hover));color:#fff;padding:1rem 1.5rem;border:none;border-radius:14px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease;position:relative;overflow:hidden;box-shadow:0 4px 6px -1px #6366f133}.generate-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 10px 15px -3px #6366f14d}.generate-btn:active{transform:translateY(0)}.generate-btn:disabled{background:var(--border);color:var(--text-light);cursor:not-allowed;transform:none;box-shadow:none}.download-btn{margin-top:1.5rem;background:var(--success);color:#fff;padding:.875rem 1.5rem;border:none;border-radius:12px;font-size:.925rem;font-weight:600;cursor:pointer;transition:all .2s ease;display:none;align-items:center;justify-content:center;width:100%;box-shadow:0 4px 6px -1px #10b98133}.download-btn:hover{background:var(--success-hover);transform:translateY(-1px);box-shadow:0 10px 15px -3px #10b9814d}.qr-output{text-align:center;margin-top:2.5rem;opacity:0;transform:translateY(20px);transition:all .5s cubic-bezier(.4,0,.2,1);padding:1.5rem;background:var(--bg-tertiary);border-radius:20px;border:1px solid var(--border)}.qr-output.visible{opacity:1;transform:translateY(0)}#qrCanvas{border:8px solid white;border-radius:16px;max-width:100%;box-shadow:var(--shadow);transition:transform .3s ease}#qrCanvas:hover{transform:scale(1.02);box-shadow:var(--shadow-lg)}.error{color:var(--error);background:#ef44441a;padding:1rem;border-radius:12px;margin-top:1rem;display:none;border-left:4px solid var(--error);font-size:.875rem;animation:shake .5s ease-in-out}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-5px)}75%{transform:translate(5px)}}.success{color:var(--success);background:#10b9811a;padding:1rem;border-radius:12px;margin-top:1rem;display:none;border-left:4px solid var(--success);font-size:.875rem;animation:slideIn .3s ease}@keyframes slideIn{0%{transform:translate(-100%);opacity:0}to{transform:translate(0);opacity:1}}@media(max-width:480px){.container{margin:1rem auto;padding:1.5rem}.type-tabs{grid-template-columns:repeat(2,1fr);gap:.5rem}.input-row{grid-template-columns:1fr;gap:.75rem}h1{font-size:1.5rem}.theme-toggle{top:.75rem;right:.75rem;width:36px;height:36px}}@media(max-width:320px){.container{padding:1rem;margin-top:1rem}.type-tab{padding:.5rem .25rem;font-size:.7rem}.tab-icon{width:16px;height:16px}h1{font-size:1.25rem;margin-bottom:1.5rem}}