.compact-tier{display:grid;grid-template-columns:repeat(3,auto)}
.compact-tier button{font-size:.78rem;padding:9px 10px}
.tier-note{max-width:245px;color:var(--muted);font-size:.68rem;line-height:1.35}
.mixed-revision-modal{position:fixed;inset:0;z-index:90;background:rgba(0,0,0,.72);display:grid;place-items:center;padding:18px}
.mixed-revision-modal[hidden]{display:none}
.mixed-revision-card{width:min(850px,100%);max-height:92dvh;overflow:auto;padding:26px}
.mixed-revision-head{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;margin-bottom:18px}
.mixed-revision-head h2{margin:5px 0 0;font-size:1.8rem}
.revision-setup-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:20px 0}
.revision-setup-grid label{display:grid;gap:6px;color:var(--muted);font-size:.75rem;font-weight:750}
.revision-setup-grid select,.revision-question textarea{border:1px solid var(--line);background:#081523;color:var(--text);border-radius:12px;padding:11px 12px;outline:none}
.revision-pool-info{padding:12px 14px;margin:0 0 14px;border-radius:12px;background:#0a1829;border:1px solid rgba(255,255,255,.07);color:#c7d7e8;font-size:.84rem}
.revision-progress{display:grid;gap:10px;margin-bottom:18px}
.revision-progress>div:first-child{display:flex;align-items:center;justify-content:space-between;gap:12px}.revision-progress span{color:var(--muted);font-size:.8rem}
.revision-progress-track{height:7px;background:#14253a;border-radius:99px;overflow:hidden}.revision-progress-track i{display:block;height:100%;background:linear-gradient(90deg,var(--accent),var(--accent2))}
.revision-question{padding:20px;border-radius:18px;background:#091728;border:1px solid rgba(255,255,255,.07)}
.revision-question-meta{display:flex;flex-wrap:wrap;gap:7px;align-items:center}.revision-question h3{font-size:1.18rem;line-height:1.5;margin:16px 0}
.revision-question textarea{width:100%;min-height:150px;resize:vertical;line-height:1.55}
.revision-actions,.revision-summary-actions{display:flex;justify-content:flex-end;gap:9px;flex-wrap:wrap;margin-top:16px}
.mixed-feedback{margin-top:14px;padding:15px;border-radius:14px;background:#0d2430;border:1px solid #27506a}.mixed-feedback>strong{font-size:1.02rem}.mixed-feedback p{color:#c5d7e7;line-height:1.5;margin-bottom:0}
.practice-tier-banner{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;padding:12px 14px;margin-top:12px;border-radius:13px;background:#101f33;border:1px solid #294662}.practice-tier-banner strong{white-space:nowrap}.practice-tier-banner span{color:var(--muted);font-size:.8rem;line-height:1.45;text-align:right}
.mastery-pill{display:inline-flex;align-items:center;width:max-content;margin-top:12px;padding:5px 9px;border-radius:999px;border:1px solid #33516d;background:#0e2034;color:#c7d9e9;font-size:.69rem;font-weight:850}.mastery-strong{border-color:#2d765e;color:#baf5de;background:#12372e}.mastery-secure{border-color:#316580;color:#cdeeff}.mastery-developing{border-color:#6b5a2d;color:#ffe5a8;background:#2b2413}.mastery-revisit{border-color:#74444d;color:#ffd0d6;background:#2c171d}.mastery-not-started{opacity:.75}
.revision-summary h2{font-size:2.1rem;margin:8px 0}.revision-breakdown{display:grid;gap:8px;margin:20px 0}.revision-breakdown button{display:flex;align-items:center;justify-content:space-between;gap:12px;border:1px solid rgba(255,255,255,.08);background:#0a1728;color:var(--text);padding:12px 14px;border-radius:12px;cursor:pointer;text-align:left}.revision-breakdown button:hover{border-color:#416482}.revision-breakdown strong{color:var(--accent)}
@media(max-width:900px){.hero-actions{grid-template-columns:repeat(2,1fr)}.compact-tier{grid-template-columns:repeat(3,1fr)}}
@media(max-width:640px){.revision-setup-grid{grid-template-columns:1fr}.mixed-revision-card{padding:18px}.revision-progress>div:first-child,.practice-tier-banner{align-items:flex-start;flex-direction:column}.practice-tier-banner span{text-align:left}.revision-actions .button{flex:1}.compact-tier{grid-template-columns:1fr}.tier-note{max-width:none}}