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17px}.progress-track--section{margin-right:19px;margin-left:19px}.checklist-items{padding-right:10px;padding-left:10px}.checklist-card__actions{position:sticky;bottom:0;z-index:10;flex-direction:column-reverse;align-items:stretch;padding-bottom:max(15px,env(safe-area-inset-bottom))}.navigation-buttons{width:100%}.navigation-buttons button{flex:1}.checklist-card__actions>.secondary-button{width:100%}}@media(max-width:540px){.top-bar h1{display:none}.mobile-aircraft-select select{max-width:205px}.flight-information-grid{grid-template-columns:1fr 1fr}.card-heading{margin-bottom:14px}.checklist-card__header{gap:12px}.checklist-card__header h2{font-size:1.28rem}.checklist-card__header p:not(.section-position){font-size:.76rem}.section-progress strong{font-size:1.4rem}.checklist-item{grid-template-columns:28px 32px 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strong,.home-backup-tools__status small{display:block}.home-backup-tools__status strong{color:var(--text);font-size:.72rem}.home-backup-tools__status small{margin-top:2px;font-size:.62rem}.home-backup-tools__actions{display:flex;gap:6px}.home-backup-tools__actions button{min-height:32px;padding:0 10px;color:var(--text-secondary);font:inherit;font-size:.66rem;font-weight:760;background:var(--surface);border:1px solid var(--border);border-radius:8px;cursor:pointer}.home-backup-tools__actions button:hover{color:var(--text);background:var(--surface-secondary)}.home-backup-tools__actions button:disabled{opacity:.5;cursor:wait}.home-backup-feedback{padding:9px 11px;margin:7px 0 0;font-size:.7rem;font-weight:700;border-radius:9px}.home-backup-feedback--success{color:#245e45;background:#e8f5ee;border:1px solid rgba(39,134,92,.18)}.home-backup-feedback--error{color:#913333;background:#fceaea;border:1px solid rgba(180,58,58,.2)}@media(max-width:650px){.home-backup-tools{align-items:stretch;flex-direction:column}.home-backup-tools__actions{width:100%}.home-backup-tools__actions button{flex:1}}[data-theme=dark] .home-backup-tools{border-color:#8fa3b533}[data-theme=dark] .home-backup-tools__actions button{color:var(--text-secondary);background:var(--surface);border-color:var(--border)}[data-theme=dark] .home-backup-feedback--success{color:#a5e5c1;background:#17382b}[data-theme=dark] .home-backup-feedback--error{color:#ffb1b1;background:#421f26}.fuel-timer-card{padding:22px;margin-bottom:22px;background:#fff;border:1px solid var(--border, #dce2e8);border-radius:var(--radius-large, 20px);box-shadow:var(--shadow, 0 12px 35px rgba(24, 40, 56, 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