:root{--bg:#f5f7fb;--card:#fff;--text:#172033;--muted:#667085;--primary:#5b5ce2;--primary2:#7c3aed;--border:#e7e9f1;--success:#0f9d72;--danger:#dc3545;--shadow:0 18px 50px rgba(30,41,59,.08)}*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif;background:var(--bg);color:var(--text)}a{text-decoration:none;color:inherit}.shell{min-height:100vh;display:grid;grid-template-columns:250px 1fr}.sidebar{background:#111827;color:#fff;padding:24px 18px;position:sticky;top:0;height:100vh}.brand{font-size:22px;font-weight:800;display:flex;gap:10px;align-items:center}.brand-mark{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(135deg,var(--primary),var(--primary2))}.nav{margin-top:30px;display:grid;gap:8px}.nav a{padding:12px 14px;border-radius:12px;color:#cbd5e1}.nav a:hover,.nav a.active{background:#243044;color:#fff}.main{padding:24px 28px}.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}.user-chip{display:flex;align-items:center;gap:10px}.avatar{width:40px;height:40px;border-radius:50%;object-fit:cover;background:#ddd}.grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(320px,.8fr);gap:22px}.card{background:var(--card);border:1px solid var(--border);border-radius:20px;box-shadow:var(--shadow);padding:22px}.card h2,.card h3{margin-top:0}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.field{display:grid;gap:7px}.field.full{grid-column:1/-1}label{font-size:13px;font-weight:700;color:#344054}input,select,textarea{width:100%;border:1px solid #d9deea;border-radius:12px;padding:12px 13px;font:inherit;outline:none;background:#fff}input:focus,select:focus,textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(91,92,226,.12)}textarea{resize:vertical;min-height:100px}.btn{border:0;border-radius:12px;padding:12px 18px;font-weight:800;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px}.btn-primary{color:#fff;background:linear-gradient(135deg,var(--primary),var(--primary2))}.btn-light{background:#eef0f7;color:#27324a}.btn-danger{background:#fee2e2;color:#991b1b}.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.result{min-height:520px;white-space:pre-wrap;line-height:1.75;font-family:Georgia,serif;background:#fcfcfe;border:1px dashed #d5d9e5;border-radius:14px;padding:20px;overflow:auto}.empty{display:grid;place-items:center;text-align:center;color:var(--muted)}.loader{display:none;align-items:center;gap:10px}.spinner{width:20px;height:20px;border:3px solid #ddd;border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.notice{padding:12px 14px;border-radius:12px;margin-bottom:14px;display:none}.notice.ok{display:block;background:#ecfdf3;color:#067647}.notice.err{display:block;background:#fef3f2;color:#b42318}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:22px}.stat{padding:18px;border-radius:16px;background:#fff;border:1px solid var(--border)}.stat strong{font-size:24px;display:block}.history-item{padding:14px 0;border-bottom:1px solid var(--border);cursor:pointer}.history-item:last-child{border-bottom:0}.muted{color:var(--muted);font-size:13px}.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.plan{position:relative}.plan .price{font-size:32px;font-weight:900}.stars{font-size:30px;display:flex;gap:4px}.star{cursor:pointer;color:#cbd0dc}.star.active{color:#f5b301}.auth-page{min-height:100vh;display:grid;place-items:center;padding:20px;background:radial-gradient(circle at top left,#dcdcff,transparent 38%),radial-gradient(circle at bottom right,#e9d5ff,transparent 40%),#f7f7fb}.auth-card{width:min(460px,100%);background:#fff;border-radius:24px;padding:30px;box-shadow:var(--shadow)}.tabs{display:grid;grid-template-columns:1fr 1fr;background:#f0f2f7;border-radius:12px;padding:4px;margin:20px 0}.tab{padding:10px;border:0;background:transparent;border-radius:9px;font-weight:800;cursor:pointer}.tab.active{background:#fff;box-shadow:0 3px 12px rgba(0,0,0,.08)}.auth-form{display:grid;gap:14px}.mobile-toggle{display:none}.security-note{font-size:12px;color:var(--muted);margin-top:14px}@media(max-width:980px){.shell{grid-template-columns:1fr}.sidebar{position:fixed;z-index:30;left:-270px;width:250px;transition:.25s}.sidebar.open{left:0}.mobile-toggle{display:inline-flex}.grid{grid-template-columns:1fr}.plans{grid-template-columns:1fr}.main{padding:18px}.stats{grid-template-columns:1fr 1fr}}@media(max-width:600px){.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.topbar h1{font-size:23px}.stats{grid-template-columns:1fr}.card{padding:17px}.result{min-height:400px}}