.student #btnOffline { font-size: 14px; }
.student .offline-entry { display: block; margin: 20px auto 0; background: transparent; border: 1px solid #a78d6380; color: #f6e3bf; padding: 9px 18px; border-radius: 24px; font-size: 14px; }
#offlinePanel { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: max(20px, env(safe-area-inset-top)) max(20px, env(safe-area-inset-right)) max(20px, env(safe-area-inset-bottom)) max(20px, env(safe-area-inset-left)); background: #160f0bbb; }
#offlinePanel[hidden] { display: none; }
.offline-card { position: relative; width: min(620px, 100%); max-height: 100%; overflow-y: auto; padding: 32px; border-radius: 16px; background: #f5e7c9; color: #443629; box-shadow: 0 20px 70px #0007; }
.offline-card h2 { font: 400 30px/1.4 var(--kai); margin: 12px 40px 16px 0; }
.offline-card > p { line-height: 1.8; font-size: 17px; }
.offline-card > .small-note { font-size: 13px; margin: 18px 0 0; }
#offlineClose { position: absolute; top: 12px; right: 12px; width: 48px; height: 48px; border-radius: 50%; font-size: 26px; border: 0; background: #e9d5ad; }
#offlineState { padding: 12px 16px; background: #e4d5b4; border-radius: 8px; }
#offlineSave { font-size: 18px; padding: 12px 24px; }
#offlineSave:disabled { opacity: .65; }
#offlineProgress { width: 100%; height: 12px; accent-color: #2f5a57; margin: 0 0 16px; }
.student #topbar .tools { flex-wrap: wrap; }
@media (max-width: 1100px) { .student .brand > span { display: none; } }
@media (display-mode: standalone) { .student #btnFull { display: none; } }
@media (max-height: 520px) { .offline-card { padding: 24px; } .offline-card h2 { margin-top: 6px; font-size: 26px; } }