:root{--primary-color: #8b5cf6;--primary-light: #a78bfa;--primary-dark: #7c3aed;--accent-color: #f472b6;--bg-dark: #1a1b26;--bg-darker: #16171f;--glass-bg: rgba(30, 32, 47, .95);--glass-border: rgba(138, 92, 246, .2);--glass-shadow: rgba(0, 0, 0, .3);--text-primary: #e2e8f0;--text-secondary: #94a3b8;--input-bg: rgba(30, 32, 47, .8);--success-color: #10b981;--error-color: #ef4444}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;background:linear-gradient(135deg,var(--bg-dark) 0%,var(--bg-darker) 100%);color:var(--text-primary);min-height:100vh;position:relative;overflow-x:hidden}body:before{content:"";position:fixed;top:0;left:0;width:100%;height:100%;background:radial-gradient(circle at 15% 50%,rgba(139,92,246,.15),transparent 25%),radial-gradient(circle at 85% 30%,rgba(244,114,182,.15),transparent 25%);pointer-events:none;z-index:-1}.app-title{font-size:3.5rem;font-weight:800;background:linear-gradient(135deg,var(--primary-light),var(--accent-color));-webkit-background-clip:text;background-clip:text;color:transparent;text-align:center;transform:perspective(500px) rotateX(10deg);text-shadow:0 5px 15px rgba(0,0,0,.2);letter-spacing:-.02em;transition:transform .3s ease;margin-bottom:.5rem}.app-title:hover{transform:perspective(500px) rotateX(0)}.app-subtitle{text-align:center;color:var(--text-secondary);font-size:1.25rem;margin-top:.5rem;opacity:.9}.glass-card{background:var(--glass-bg);backdrop-filter:blur(12px) saturate(180%);-webkit-backdrop-filter:blur(12px) saturate(180%);border:1px solid var(--glass-border);border-radius:24px;box-shadow:0 8px 32px 0 var(--glass-shadow),0 1px 2px #0000001a;transition:all .3s ease}.glass-card:hover{box-shadow:0 12px 40px 0 var(--glass-shadow),0 2px 4px #0000001a;transform:translateY(-2px);border-color:#8a5cf64d}textarea,input[type=text],input[type=password],select{background:var(--input-bg);color:var(--text-primary);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);border:1px solid var(--glass-border);border-radius:12px;transition:all .3s ease;padding:1rem;font-size:1rem;line-height:1.5;resize:none}textarea:focus,input[type=text]:focus,input[type=password]:focus,select:focus{background:#1e202ff2;border-color:var(--primary-color);box-shadow:0 0 0 4px #8b5cf626,0 1px 2px #0000001a;outline:none}textarea::placeholder,input::placeholder{color:var(--text-secondary);opacity:.7}.enhance-button{background:linear-gradient(135deg,var(--primary-color),var(--accent-color));color:#fff;padding:1rem 2rem;border-radius:12px;font-weight:500;font-size:1.125rem;letter-spacing:.025em;transform-style:preserve-3d;transition:all .3s ease;border:none;position:relative;overflow:hidden;cursor:pointer}.enhance-button:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(135deg,var(--primary-light),var(--accent-color));opacity:0;transition:opacity .3s ease}.enhance-button:hover{transform:translateY(-2px) translateZ(0);box-shadow:0 12px 24px -8px #8b5cf666,0 4px 8px -4px #8b5cf633}.enhance-button:hover:before{opacity:1}.enhance-button:active{transform:translateY(0) translateZ(0)}.loading-spinner{width:24px;height:24px;border:3px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin 1s cubic-bezier(.76,.35,.2,.75) infinite}@keyframes spin{to{transform:rotate(360deg)}}.success-notification{position:fixed;bottom:24px;right:24px;background:#10b981f2;color:#fff;padding:12px 24px;border-radius:12px;box-shadow:0 8px 16px -4px #10b98180,0 2px 4px -2px #10b9814d;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);transform:translateY(20px);opacity:0;animation:notifyIn .3s ease forwards}.error-notification{position:fixed;bottom:24px;right:24px;background:#ef4444f2;color:#fff;padding:12px 24px;border-radius:12px;box-shadow:0 8px 16px -4px #ef444480,0 2px 4px -2px #ef44444d;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);transform:translateY(20px);opacity:0;animation:notifyIn .3s ease forwards}@keyframes notifyIn{to{transform:translateY(0);opacity:1}}.settings-modal{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#00000080}.settings-content{background:var(--glass-bg);-webkit-backdrop-filter:blur(12px) saturate(180%);backdrop-filter:blur(12px) saturate(180%);border:1px solid var(--glass-border);border-radius:24px;box-shadow:0 16px 48px -8px #0006,0 8px 24px -4px #0000004d;padding:2rem}.settings-content label{color:var(--text-primary);font-weight:500;margin-bottom:.5rem;display:block}.settings-content select{background-color:var(--input-bg);color:var(--text-primary);width:100%;padding:.75rem 1rem}@media (max-width: 640px){.container{padding-left:1rem;padding-right:1rem}.glass-card{margin:1rem;padding:1.5rem}.app-title{font-size:2.5rem}}#history-list{max-height:500px;overflow-y:auto;scrollbar-width:thin;scrollbar-color:#64ffda #112240}#history-list::-webkit-scrollbar{width:8px}#history-list::-webkit-scrollbar-track{background:#112240;border-radius:4px}#history-list::-webkit-scrollbar-thumb{background:#64ffda;border-radius:4px}.history-item{transition:transform .2s ease}.history-item:hover{transform:translate(4px)}.reuse-prompt{display:inline-flex;align-items:center;gap:.5rem}.reuse-prompt:hover svg{transform:translate(2px)}.delete-history{opacity:.7;transition:opacity .2s ease}.delete-history:hover{opacity:1}