.self-heading{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:14px;margin-bottom:12px}.self-heading h2{margin:0}.self-tabs{display:flex;gap:4px;padding:5px;border:1px solid var(--line);border-radius:18px;background:var(--surface-solid)}.self-tabs button{border:0;border-radius:13px;background:transparent;padding:10px 13px;min-height:46px;font-weight:800;font-size:17px;cursor:pointer;white-space:nowrap}.self-tabs button[aria-pressed=true]{background:#e7f0df;color:#315d40}.self-tabs button span{font-size:13px;padding:2px 5px;border-radius:8px;background:#fff}.self-intro{font-size:16px;color:var(--muted);margin:0 0 18px}.self-study .self-next{align-items:start;min-height:190px}.self-next>span:last-child{min-width:0}.self-next small{display:block;font-size:19px;color:var(--text);line-height:1.6;margin:8px 0}.self-phase{display:block;font-size:13px;line-height:1.7;color:var(--muted)}.self-state{display:inline-block;font-size:15px;color:var(--subject);margin-top:14px}.self-filters{display:flex;flex-wrap:wrap;gap:7px;margin:16px 0}.self-filters button{border:1px solid var(--line);background:var(--surface-solid);border-radius:14px;padding:8px 13px;font-size:15px;min-height:44px;cursor:pointer}.self-filters button[aria-pressed=true]{color:#315d40;background:#e7f0df;border-color:#7eaa70}.self-history{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.self-learned{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:13px;text-align:left;padding:18px;border:1px solid var(--line);background:var(--surface-solid);border-radius:20px;cursor:pointer;min-width:0}.self-learned>span:nth-child(2){display:grid;gap:5px;min-width:0}.self-learned strong{font-size:20px;line-height:1.6}.self-learned small,.self-learned>span:nth-child(2)>span{color:var(--muted);font-size:13px;line-height:1.7}.self-learned>b{color:var(--subject);font-size:20px}.self-empty{grid-column:1/-1;text-align:center;border:1px dashed var(--line);border-radius:24px;padding:30px 18px}.self-empty>span{font-size:40px}.self-empty p{font-size:18px;line-height:1.9}.self-storage{font-size:12px;line-height:1.8;color:var(--muted);margin:20px 0 0}.self-more{display:block;margin:20px auto 0}.self-study button:focus-visible{outline:3px solid var(--primary-deep);outline-offset:3px}@media(max-width:700px){.self-study .learn-subject-grid,.self-history{grid-template-columns:1fr}.self-study .self-next{min-height:0;padding:20px}.self-heading{align-items:flex-start}.self-learned{padding:16px}.self-study .learn-subject-icon{width:48px;height:48px;font-size:27px}}@media(prefers-reduced-motion:no-preference){.self-tabs button,.self-learned{transition:background .2s ease,transform .2s ease}.self-learned:hover{transform:translateY(-2px)}}
.self-next .self-phase{font-size:13px;line-height:1.7}.self-next .self-state{font-size:15px}