:root{--blue:#3793cb;--light-blue:#9bc9e5;--soft-blue:#e3f1fa;--dark:#1a2d3e;--bg:#f0f6fb;--gray:#5e6a6b;--light-gray:#949fa0;--sage:#4f8675;--amber:#b06a1f;--white:#fff;--focus:#14507a}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--dark);-webkit-font-smoothing:antialiased;font-family:Nunito,system-ui,sans-serif;font-size:15px;line-height:1.45}h1,h2,h3,h4{font-family:Cormorant Garamond,serif;font-weight:600}:focus-visible{outline:3px solid var(--focus);outline-offset:2px;border-radius:6px}.app{max-width:720px;margin:0 auto;padding:16px 14px 48px}.topbar{background:var(--blue);color:var(--white);align-items:center;gap:10px;padding:13px 16px;display:flex;box-shadow:0 2px 12px #3793cb4d}.topbar h1{letter-spacing:.02em;flex:1;font-size:20px}.topbar .sub{opacity:.9;font-size:12px}.card{background:var(--white);border-radius:14px;margin-bottom:12px;padding:16px 18px;box-shadow:0 2px 10px #0000000f}.btn{background:var(--blue);color:var(--white);cursor:pointer;border:none;border-radius:10px;min-height:44px;padding:11px 16px;font:700 15px Nunito,sans-serif}.btn:disabled{opacity:.55;cursor:default}.btn.ghost{background:var(--white);color:#1f6a96;border:2px solid var(--light-blue)}.btn.amber{background:var(--amber)}.chip{border:1px solid var(--light-gray);background:var(--white);min-height:36px;color:var(--dark);cursor:pointer;border-radius:20px;padding:8px 13px;font:600 14px Nunito,sans-serif}.chip.selected{background:var(--blue);color:var(--white);border-color:var(--blue);font-weight:700}.row{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.between{justify-content:space-between;align-items:center;gap:8px;display:flex}.muted{color:var(--gray);font-size:13px}.spacer{height:10px}.badge{border-radius:20px;padding:3px 9px;font-size:11px;font-weight:700}.badge.introduced{background:var(--soft-blue);color:#1f6a96}.badge.in-progress{color:#8f5316;background:#fbe9d4}.badge.practiced{color:#3f5f96;background:#e8edf9}.badge.mastered{color:#2f6657;background:#dcefe9}.field{margin-bottom:10px;display:block}.field label{color:var(--gray);text-transform:uppercase;letter-spacing:.06em;margin-bottom:4px;font-size:12px;font-weight:700;display:block}.field input,.field select,.field textarea{border:1px solid var(--light-gray);border-radius:9px;width:100%;padding:10px 12px;font:400 16px Nunito,sans-serif}.center-screen{justify-content:center;align-items:center;min-height:100vh;padding:24px;display:flex}.error{color:#b32519;margin-top:6px;font-size:13px}.stat{background:var(--bg);text-align:center;border-radius:10px;padding:9px}.stat .n{font-family:Cormorant Garamond,serif;font-size:22px;font-weight:700}.link-card{color:inherit;text-decoration:none;display:block}@media (width<=360px){.app{padding:12px 10px 40px}.card{padding:14px}}@media print{body *{visibility:hidden}.report-print,.report-print *{visibility:visible}.report-print{width:100%;padding:0;position:absolute;top:0;left:0}.no-print{display:none!important}}