:root{--bg: #020617;--bg-elevated: #020617;--card: #020617;--card-elevated: #020617;--border-subtle: #1e293b;--border-strong: #334155;--accent: #38bdf8;--accent-soft: rgba(56, 189, 248, .08);--text-main: #e5e7eb;--text-muted: #9ca3af;--danger: #f97373;--info: #38bdf8;--radius-lg: 16px;--radius-md: 10px;--shadow-soft: 0 18px 45px rgba(15, 23, 42, .5)}*,*:before,*:after{box-sizing:border-box}body{margin:0;min-height:100vh;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:radial-gradient(circle at top,#0f172a 0,#020617 45%,#000);color:var(--text-main)}#root{min-height:100vh}.app{max-width:1180px;margin:0 auto;padding:32px 20px 40px;display:flex;flex-direction:column;gap:24px}.app-header{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;padding:18px 22px;border-radius:20px;background:linear-gradient(135deg,#0f172af2,#082f49f2);border:1px solid rgba(148,163,184,.35);box-shadow:0 18px 40px #0f172ab3;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.app-header h1{margin:0 0 6px;font-size:1.6rem;letter-spacing:.03em}.app-header .muted{margin:0;max-width:640px}.badge{align-self:center;padding:6px 12px;border-radius:999px;border:1px solid rgba(56,189,248,.6);color:#e0f2fe;font-size:.75rem;text-transform:uppercase;letter-spacing:.08em;background:radial-gradient(circle at top,rgba(56,189,248,.18),transparent)}.layout{display:grid;grid-template-columns:minmax(0,2.2fr) minmax(260px,.9fr);gap:18px;align-items:flex-start}@media (max-width: 900px){.layout{grid-template-columns:minmax(0,1fr)}.history{order:-1}}.layout-main{display:flex;flex-direction:column;gap:16px}.card{background:radial-gradient(circle at top left,#0f172af2,#0f172afa);border-radius:var(--radius-lg);border:1px solid var(--border-subtle);box-shadow:var(--shadow-soft);padding:18px}.card-ghost{background:radial-gradient(circle at top left,#0f172ab3,#0f172ae6);border-style:dashed}.card-header{margin-bottom:14px}.card-header h2{margin:0 0 4px;font-size:1.1rem}.muted{color:var(--text-muted);font-size:.9rem}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}@media (max-width: 900px){.grid{grid-template-columns:minmax(0,1fr)}}.field{display:flex;flex-direction:column;gap:6px;font-size:.9rem}label{color:#e5e7eb;font-weight:500}input,select,textarea{border-radius:10px;border:1px solid var(--border-subtle);background-color:#0f172af5;color:var(--text-main);padding:8px 10px;font-size:.9rem;outline:none;transition:border-color .12s ease,box-shadow .12s ease,background-color .12s ease}input::placeholder,textarea::placeholder{color:#6b7280}input:focus,select:focus,textarea:focus{border-color:var(--accent);box-shadow:0 0 0 1px #38bdf866;background-color:#0f172afa}textarea{resize:vertical;min-height:70px}.actions{margin-top:14px;display:flex;justify-content:flex-end;gap:10px}.actions-left{justify-content:flex-start}button{border-radius:999px;border:none;padding:8px 18px;font-size:.9rem;font-weight:500;cursor:pointer;background:linear-gradient(135deg,#38bdf8,#0ea5e9);color:#0b1120;box-shadow:0 10px 30px #082f49b3;transition:transform .1s ease,box-shadow .1s ease,filter .1s ease}button:hover:not(:disabled){transform:translateY(-1px);filter:brightness(1.05);box-shadow:0 14px 34px #082f49e6}button:active:not(:disabled){transform:translateY(0);box-shadow:0 8px 20px #082f49b3}button:disabled{opacity:.6;cursor:default;box-shadow:none}button.secondary{background:transparent;border-radius:999px;border:1px solid rgba(148,163,184,.8);color:var(--text-main);padding-inline:14px;box-shadow:none}button.secondary:hover{background:#0f172ae6;box-shadow:0 0 0 1px #94a3b8e6}.alert{padding:8px 10px;border-radius:10px;font-size:.85rem;margin-bottom:10px}.alert-error{background:#f8717114;color:#fecaca;border:1px solid rgba(248,113,113,.5)}.alert-info{background:#38bdf814;color:#e0f2fe;border:1px solid rgba(56,189,248,.5)}.alert-info ul{margin:4px 0;padding-left:18px}.alert-info li{margin-bottom:2px}.code-box{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 12px;border-radius:12px;background:radial-gradient(circle at left,#38bdf81f,#0f172ae6);border:1px solid rgba(56,189,248,.6)}.code-main{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace;font-size:1.1rem;letter-spacing:.09em}.meta{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 14px;margin:14px 0 8px;font-size:.85rem}@media (max-width: 700px){.meta{grid-template-columns:minmax(0,1fr)}}dt{font-weight:600;color:var(--text-muted);margin-bottom:3px}dd{margin:0}.explanation{margin-top:10px}.explanation h3{margin:0 0 4px;font-size:.95rem}.explanation pre{margin:0;padding:8px 10px;border-radius:10px;background:#0f172af2;border:1px dashed rgba(148,163,184,.6);font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace;font-size:.8rem;white-space:pre-wrap}.history{min-height:160px}.history-header{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:10px}.history-header h3{margin:0;font-size:.95rem}.link{background:transparent;color:var(--text-muted);border-radius:999px;border:none;padding:0;font-size:.8rem;text-decoration:underline;text-underline-offset:3px;box-shadow:none}.link:hover{color:#e5e7eb;text-decoration-thickness:1.5px}.history-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px;max-height:400px;overflow-y:auto}.history-item{width:100%;text-align:left;padding:8px 10px;border-radius:12px;border:1px solid rgba(30,64,175,.6);background:radial-gradient(circle at left,#1e40af52,#0f172af5);display:flex;flex-direction:column;gap:2px;box-shadow:none}.history-item:hover{border-color:#3b82f6e6;box-shadow:0 0 0 1px #2563eb66}.history-main{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:.82rem}.history-code{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace;letter-spacing:.06em}.history-car{color:var(--text-muted);font-size:.8rem}.history-meta{display:flex;justify-content:space-between;gap:8px;font-size:.75rem;color:var(--text-muted)}.app-footer{margin-top:4px;font-size:.78rem;color:var(--text-muted);text-align:center}