:root{--font:"Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;--bg-top:#253a5e;--bg-mid:#33517c;--bg-bot:#5b7ba6;--text:#f4f7fb;--text-soft:#f4f7fba3;--glass:#ffffff1a;--stroke:#ffffff38;--accent:#7db4e6;--correct:#5fc27e;--wrong:#e87b6f;--warn:#f2c46d}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font);color:var(--text);background:radial-gradient(140% 90% at 82% 8%, #e8b98a3d 0%, transparent 42%), linear-gradient(178deg, var(--bg-top) 0%, var(--bg-mid) 46%, var(--bg-bot) 100%);min-height:100vh;padding:env(safe-area-inset-top) 0 calc(3rem + env(safe-area-inset-bottom));-webkit-font-smoothing:antialiased;background-attachment:fixed}header{align-items:center;gap:.9rem;max-width:760px;margin:0 auto;padding:1.2rem 1.4rem;display:flex}.back-btn{background:var(--glass);border:1px solid var(--stroke);width:40px;height:40px;color:var(--text);border-radius:12px;flex-shrink:0;justify-content:center;align-items:center;font-size:1.2rem;text-decoration:none;display:inline-flex}header h1{font-size:1.05rem;font-weight:600}main{flex-direction:column;gap:1rem;max-width:760px;margin:0 auto;padding:.5rem 1.4rem;display:flex}.card{background:var(--glass);backdrop-filter:blur(22px)saturate(1.3);border:1px solid var(--stroke);border-radius:22px;padding:clamp(1.1rem,4.5vw,1.6rem)}.lbl{letter-spacing:.08em;text-transform:uppercase;color:var(--text-soft);margin-bottom:.5rem;font-size:.72rem;font-weight:700;display:block}.row{gap:.6rem;display:flex}input[type=text]{min-width:0;font-family:var(--font);color:var(--text);border:1.5px solid var(--stroke);background:#ffffff17;border-radius:12px;outline:none;flex:1;padding:.72rem .9rem;font-size:1rem}input:focus{border-color:var(--accent)}.btn{font-family:var(--font);cursor:pointer;border:1.5px solid var(--accent);background:var(--accent);color:#10233b;border-radius:12px;padding:.7rem 1.1rem;font-size:.95rem;font-weight:700}.link{color:var(--accent);font-family:var(--font);cursor:pointer;background:0 0;border:none;padding:0;font-size:.88rem;font-weight:700}.note{color:var(--text-soft);margin-top:.6rem;font-size:.88rem;line-height:1.5}.note.err{color:var(--wrong)}.stats{grid-template-columns:repeat(2,1fr);gap:.7rem;display:grid}@media (width>=560px){.stats{grid-template-columns:repeat(4,1fr)}}.stat{background:#ffffff0f;border-radius:14px;padding:.8rem}.stat b{font-size:1.5rem;font-weight:600;display:block}.stat span{color:var(--text-soft);font-size:.78rem}.subj{margin:.8rem 0 -.2rem .2rem;font-size:1.15rem;font-weight:700}.ch-title{margin-bottom:.6rem;font-size:1rem;font-weight:700}.bar{background:#ffffff24;border-radius:999px;height:6px;margin:.2rem 0 .5rem;overflow:hidden}.bar i{background:var(--accent);border-radius:999px;height:100%;display:block}.ch-line{color:var(--text-soft);margin-bottom:.7rem;font-size:.86rem}.acts{flex-wrap:wrap;gap:.5rem;margin-bottom:.7rem;display:flex}.pill{color:var(--text);border:1.5px solid var(--stroke);border-radius:999px;padding:.45rem .8rem;font-size:.82rem;font-weight:700;text-decoration:none}.pill.hot{border-color:var(--warn);color:var(--warn)}.tests{flex-direction:column;gap:.4rem;list-style:none;display:flex}.tests a{color:var(--text);background:#ffffff0d;border-radius:12px;justify-content:space-between;gap:.8rem;padding:.55rem .7rem;font-size:.9rem;text-decoration:none;display:flex}.tests .sc{color:var(--text-soft);flex-shrink:0;font-size:.82rem}.tests .sc.ok{color:var(--correct);font-weight:700}.recent{flex-direction:column;gap:.45rem;font-size:.88rem;list-style:none;display:flex}.recent li{justify-content:space-between;gap:.8rem;display:flex}.recent .when{color:var(--text-soft);flex-shrink:0}.empty{color:var(--text-soft);font-size:.9rem}