:root{color-scheme:light}*{box-sizing:border-box}body{margin:0;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;background:radial-gradient(circle at 20% 20%,#f9f2e8,#e8edf7 50%,#dde8ef 100%);min-height:100vh}.page-shell{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}.card{width:min(560px,100%);background:#fff;border:1px solid #d9e2ef;border-radius:16px;padding:24px;box-shadow:0 20px 50px rgba(38,67,97,.15)}.stack{display:grid;grid-gap:14px;gap:14px}.toolbar{justify-content:space-between;gap:10px;align-items:center}.toolbar,.toolbar-nav{display:flex;flex-wrap:wrap}.toolbar-nav{gap:8px}.tab{text-decoration:none;border:1px solid #c7d6eb;background:#eef3fb;color:#1d5fbf;border-radius:999px;padding:8px 12px;font-weight:700;font-size:.9rem}.tab.active{background:#1d5fbf;color:#fff;border-color:#1d5fbf}h1{margin:0 0 8px;font-size:1.8rem}.subtitle{margin:0 0 20px;color:#5b6b7d}.form{grid-gap:14px;gap:14px}.form,label{display:grid}label{grid-gap:6px;gap:6px;color:#213347;font-weight:600}button,input,select{border-radius:10px;border:1px solid #b8c7da;padding:10px 12px;font-size:.95rem}button{background:#1d5fbf;color:#fff;border:none;font-weight:700;cursor:pointer}button:disabled{opacity:.6;cursor:not-allowed}.secondary{margin-top:12px;width:100%;background:#eef3fb;color:#1d5fbf;border:1px solid #c7d6eb}.compact{margin-top:0;width:auto}.error{color:#b22222;margin:4px 0 0}.result-block{border:1px solid #d4ddeb;background:#f8fbff;border-radius:12px;padding:14px}.result-block h2{margin:0 0 10px;font-size:1.05rem}.result-content{margin:10px 0 0;white-space:pre-wrap;background:#fff;border:1px solid #d4ddeb;border-radius:10px;padding:12px;max-height:45vh;overflow:auto}.lightbox{position:fixed;inset:0;background:rgba(10,16,26,.9);display:flex;align-items:center;justify-content:center;padding:20px;z-index:1000}.lightbox-close{position:fixed;top:16px;right:18px;width:46px;height:46px;border-radius:50%;border:1px solid #fff;background:hsla(0,0%,100%,.15);color:#fff;font-size:1.7rem;line-height:1;padding:0}.lightbox-image{width:min(1400px,100%);max-height:calc(100vh - 40px);object-fit:contain;border-radius:12px;box-shadow:0 22px 60px rgba(0,0,0,.5)}@media (max-width:720px){.card{padding:18px}.toolbar{align-items:stretch}.compact{width:100%}.lightbox{padding:10px}}.status{margin-top:12px;color:#24384e;font-weight:600}