/* Revert to the original premium look and spacing while keeping themes and download controls */
:root{--primary-color:#2563eb;--primary-hover:#1d4ed8;--secondary-color:#64748b;--bg-start:#f1f5f9;--bg-end:#e2e8f0;--card-background:#fff;--text-primary:#1e293b;--text-secondary:#64748b;--border-color:#e2e8f0;--success-color:#22c55e;--warning-color:#f59e0b;--danger-color:#ef4444;--shadow-xl:0 20px 25px -5px rgb(0 0 0 / 0.1),0 8px 10px -6px rgb(0 0 0 / 0.1);--shadow-md:0 4px 6px -1px rgb(0 0 0 / 0.1),0 2px 4px -2px rgb(0 0 0 / 0.1);--radius:12px;--radius-sm:8px;--font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif}
[data-theme="dark"]{--primary-color:#3b82f6;--primary-hover:#2563eb;--secondary-color:#94a3b8;--bg-start:#0b1220;--bg-end:#0f172a;--card-background:#1e293b;--text-primary:#f1f5f9;--text-secondary:#94a3b8;--border-color:#334155}
[data-theme="purple"]{--primary-color:#7c3aed;--primary-hover:#6d28d9;--secondary-color:#7c3aed;--bg-start:#f6f0ff;--bg-end:#e9d5ff;--card-background:#fff;--text-primary:#1e293b;--text-secondary:#64748b;--border-color:#e9d5ff}
[data-theme="green"]{--primary-color:#059669;--primary-hover:#047857;--secondary-color:#059669;--bg-start:#ecfdf5;--bg-end:#d1fae5;--card-background:#fff;--text-primary:#1e293b;--text-secondary:#64748b;--border-color:#bbf7d0}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:var(--font-family);background:linear-gradient(135deg,var(--bg-start) 0%,var(--bg-end) 100%);color:var(--text-primary);min-height:100vh;transition:background .3s ease,color .3s ease}
.container{max-width:800px;margin:0 auto;padding:2rem 1rem;min-height:100vh;display:flex;flex-direction:column}
.header{text-align:center;margin-bottom:3rem}
.header-top{display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap;margin-bottom:.5rem}
.logo{display:flex;align-items:center;gap:.75rem}
.logo i{font-size:2.5rem;color:var(--primary-color);filter:drop-shadow(0 2px 4px rgba(37,99,235,.2))}
.logo h1{font-size:2.5rem;font-weight:700;background:linear-gradient(135deg,var(--primary-color),var(--primary-hover));-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.header-controls{display:flex;align-items:center;gap:.75rem}
.theme-selector{display:flex;align-items:center;gap:.5rem;background:var(--card-background);padding:.5rem 1rem;border-radius:var(--radius-sm);border:1px solid var(--border-color)}
.theme-dropdown{border:none;background:transparent;color:var(--text-primary);font-size:.9rem}
.btn{padding:.75rem 1rem;border:none;border-radius:var(--radius-sm);font-weight:500;cursor:pointer;display:flex;align-items:center;gap:.5rem}
.btn-primary{background:var(--primary-color);color:#fff}
.btn-primary:hover{background:var(--primary-hover)}
.btn-secondary{background:var(--card-background);color:var(--text-primary);border:2px solid var(--border-color)}
.btn-secondary:hover{border-color:var(--primary-color);color:var(--primary-color)}
.main-content{flex:1;display:flex;flex-direction:column;gap:2rem}
.generator-card{background:var(--card-background);border-radius:var(--radius);padding:2rem;box-shadow:var(--shadow-xl);border:1px solid var(--border-color)}
.card-header{text-align:center;margin-bottom:2rem}
.card-header h2{font-size:1.5rem;font-weight:600;margin-bottom:.5rem}
.card-header p{color:var(--text-secondary)}
.password-field{position:relative;margin-bottom:1rem}
.password-field input{width:100%;padding:1rem 6rem 1rem 1rem;border:2px solid var(--border-color);border-radius:var(--radius-sm);font-family:'Monaco','Menlo','Ubuntu Mono',monospace;background:#fafbfc;color:var(--text-primary)}
.password-field input:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px rgba(37,99,235,.1)}
.password-actions{position:absolute;right:.5rem;top:50%;transform:translateY(-50%);display:flex;gap:.25rem}
.btn-icon{background:none;border:none;padding:.75rem;border-radius:var(--radius-sm);color:var(--text-secondary);cursor:pointer;width:40px;height:40px;display:flex;align-items:center;justify-content:center}
.btn-icon:hover{background:var(--primary-color);color:#fff}
.strength-bar{width:100%;height:8px;background:var(--border-color);border-radius:4px;overflow:hidden;margin-bottom:.5rem}
.strength-fill{height:100%;width:0;border-radius:4px;transition:all .3s ease;background:linear-gradient(90deg,#ef4444,#f59e0b,#22c55e)}
.strength-info{display:flex;justify-content:space-between;font-size:.875rem}
.options-section{display:flex;flex-direction:column;gap:1.5rem}
.option-label{display:flex;justify-content:space-between;align-items:center}
.length-control{display:flex;align-items:center;gap:1rem}
.slider{width:200px;height:6px;border-radius:3px;background:var(--border-color);-webkit-appearance:none}
.slider::-webkit-slider-thumb{-webkit-appearance:none;width:20px;height:20px;border-radius:50%;background:var(--primary-color);cursor:pointer;box-shadow:var(--shadow-md)}
.length-value{font-weight:600;color:var(--primary-color);min-width:2rem;text-align:center;background:rgba(37,99,235,.1);padding:.25rem .5rem;border-radius:var(--radius-sm)}
.checkbox-group{display:flex;flex-direction:column;gap:.75rem}
.checkbox-label{display:flex;align-items:center;gap:.75rem;cursor:pointer;padding:.75rem;border-radius:var(--radius-sm)}
.checkbox-label:hover{background:rgba(37,99,235,.05)}
.checkbox-label input{display:none}
.checkmark{width:20px;height:20px;border:2px solid var(--border-color);border-radius:4px;position:relative}
.checkbox-label input:checked + .checkmark{background:var(--primary-color);border-color:var(--primary-color)}
.checkbox-label input:checked + .checkmark::after{content:'✓';position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:#fff;font-size:14px;font-weight:700}
.action-buttons{display:flex;gap:1rem;flex-wrap:wrap}
.info-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.5rem}
.info-card{background:var(--card-background);padding:1.5rem;border-radius:var(--radius);box-shadow:var(--shadow-md);border:1px solid var(--border-color);text-align:center}
.info-icon{width:60px;height:60px;margin:0 auto 1rem;background:linear-gradient(135deg,var(--primary-color),var(--primary-hover));border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.5rem}
.footer{text-align:center;padding:2rem 0 1rem;color:var(--text-secondary);font-size:.875rem;border-top:1px solid var(--border-color);margin-top:3rem}
.modal{display:none;position:fixed;z-index:1000;left:0;top:0;width:100%;height:100%;background:rgba(0,0,0,.5);backdrop-filter:blur(4px)}
.modal.show{display:flex;align-items:center;justify-content:center}
.modal-content{background:var(--card-background);border-radius:var(--radius);max-width:500px;width:90%;box-shadow:var(--shadow-xl)}
.modal-header,.modal-footer{padding:1rem 2rem;border-bottom:1px solid var(--border-color);display:flex;justify-content:space-between;align-items:center}
.modal-body{padding:1.5rem 2rem}
.notification{position:fixed;top:2rem;right:2rem;background:var(--success-color);color:#fff;padding:1rem 1.5rem;border-radius:var(--radius);box-shadow:var(--shadow-md);transform:translateX(100%);transition:all .3s ease;z-index:1001}
.notification.show{transform:translateX(0)}
@media(max-width:768px){.header-top{flex-direction:column;text-align:center}.password-actions{flex-direction:column}.password-field input{padding-right:7rem}}