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var(--accent);outline-offset:2px}.mastery-choice--danger{color:var(--danger)}.mastery-choice--warning{color:var(--warning)}.mastery-choice--success{color:var(--success)}.mastery-choice--danger:has(input:checked){background:var(--danger-soft);border-color:var(--danger)}.mastery-choice--warning:has(input:checked){background:var(--warning-soft);border-color:var(--warning)}.mastery-choice--success:has(input:checked){background:var(--success-soft);border-color:var(--success)}.answer-actions{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;display:grid}.history-list{display:grid}.history-item{grid-template-columns:12px minmax(0,1fr);gap:12px;display:grid}.timeline-rail{justify-content:center;display:flex;position:relative}.timeline-rail:after{background:var(--line);content:"";width:1px;position:absolute;top:18px;bottom:0}.timeline-rail>span{z-index:1;background:var(--accent);border-radius:50%;width:8px;height:8px;margin-top:6px;position:relative}.history-item:last-child .timeline-rail:after{display:none}.history-item__copy{gap:8px;padding-bottom:20px;display:grid}.history-item__copy>header{justify-content:space-between;align-items:flex-start;gap:12px;display:flex}.history-item h3{color:var(--text);font-size:14px;font-weight:700;line-height:20px}.history-item time,.history-sync{color:var(--faint);font-size:10px;line-height:14px}.history-sync--error{color:var(--danger)}.history-block{background:var(--surface-soft);border-radius:var(--radius-sm);gap:4px;padding:12px;display:grid}.history-block h4{color:var(--text);font-size:11px;font-weight:700;line-height:15px}.auth-screen,.auth-intro,.form-stack,.field,.setup-screen{display:grid}.auth-screen,.setup-screen{gap:28px}.auth-intro{gap:16px;padding-top:24px}.auth-icon{width:44px;height:44px;color:var(--accent);background:var(--accent-soft);border-radius:var(--radius);justify-content:center;align-items:center;display:flex}.form-stack{gap:16px}.field{gap:8px;min-width:0}.field__label{color:var(--muted);font-size:11px;font-weight:700;line-height:15px}.text-input{width:100%;min-height:44px;color:var(--text);background:var(--surface);border:1px solid var(--line-strong);border-radius:var(--radius-sm);outline:0;padding:9px 12px;font-size:15px}.text-input:focus{border-color:var(--accent);box-shadow:0 0 0 1px 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span,.profile-statistics__distribution span{color:var(--muted);font-size:11px;line-height:15px}.profile-statistics__item strong{font-size:19px;font-weight:720;line-height:24px}.profile-statistics__item small{color:var(--faint);text-overflow:ellipsis;white-space:nowrap;font-size:10px;line-height:14px;overflow:hidden}.profile-statistics__distribution{border-top:1px solid var(--line);grid-column:1/-1;justify-content:space-between;align-items:center;gap:12px;min-width:0;padding:13px 16px;display:flex}.profile-statistics__distribution strong{color:var(--text-soft);text-align:right;font-size:11px;font-weight:650;line-height:16px}.profile-statistics__distribution i{color:var(--faint);margin-inline:4px;font-style:normal}.settings-empty{color:var(--muted);padding:16px;font-size:12px;line-height:17px}.storage-status{z-index:69;top:calc(var(--app-bar-height) + var(--safe-top) + 10px);right:max(12px, calc((100vw - var(--app-width)) / 2 + 12px));left:max(12px, calc((100vw - var(--app-width)) / 2 + 12px));min-height:48px;color:var(--text);background:var(--surface);border:1px solid var(--line-strong);border-radius:var(--radius);grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:10px;padding:6px 6px 6px 14px;font-size:12px;font-weight:600;line-height:17px;display:grid;position:fixed;box-shadow:0 10px 34px #20202424}.storage-status .button--ghost{color:var(--muted)}.pwa-prompt{z-index:70;right:max(12px, calc((100vw - var(--app-width)) / 2 + 12px));bottom:calc(var(--nav-height) + var(--safe-bottom) + 14px);left:max(12px, calc((100vw - var(--app-width)) / 2 + 12px));min-height:48px;color:var(--surface);background:var(--text);border-radius:var(--radius);justify-content:space-between;align-items:center;gap:12px;padding:6px 6px 6px 14px;font-size:13px;font-weight:600;line-height:18px;display:flex;position:fixed;box-shadow:0 10px 34px #2020242e}.pwa-prompt__actions{display:flex}.pwa-prompt .button--ghost{color:var(--surface)}.icon-spin{animation:.8s linear infinite icon-spin}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;padding:0;position:absolute;overflow:hidden}@keyframes icon-spin{to{transform:rotate(360deg)}}@keyframes skeleton-pulse{0%,to{opacity:.55}50%{opacity:1}}@media (width<=350px){.screen-content{padding-right:max(14px, var(--safe-right));padding-left:max(14px, var(--safe-left));gap:16px}.app-bar__inner{padding-right:max(12px, var(--safe-right));padding-left:max(12px, var(--safe-left))}.mastery-action{gap:4px;padding-inline:4px;font-size:12px}}@media (width>=700px){.app-canvas{box-shadow:var(--shadow)}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}