.shell{flex-direction:column;min-height:100vh;display:flex}.shell__topbar{background:var(--color-background-element);border-bottom:1px solid var(--color-border);z-index:10;position:sticky;top:0}.shell__topbar-inner{max-width:var(--max-content-width);padding:var(--space-three) var(--space-four);justify-content:space-between;align-items:center;gap:var(--space-four);margin:0 auto;display:flex}.shell__logo{color:var(--color-primary);letter-spacing:-.01em;font-size:20px;font-weight:800}.shell__nav{gap:var(--space-one);flex-wrap:wrap;display:flex}.shell__nav-link{color:var(--color-text-secondary);border-radius:10px;align-items:center;gap:6px;padding:8px 12px;font-size:14px;font-weight:600;display:flex}.shell__nav-link:hover{color:var(--color-text)}.shell__nav-link svg{width:18px;height:18px}.shell__nav-avatar{font-size:17px;line-height:1}.shell__nav-link--active,.shell__nav-link--active:hover{background:var(--color-background-selected);color:var(--color-primary)}.shell__content{box-sizing:border-box;width:100%;max-width:var(--max-content-width);padding:var(--space-five) var(--space-four) var(--space-six);flex:1 0 auto;margin:0 auto}.shell__footer{background:var(--color-background-element);border-top:1px solid var(--color-border)}.shell__footer-inner{max-width:var(--max-content-width);padding:var(--space-five) var(--space-four);justify-content:space-between;align-items:flex-start;gap:var(--space-four);flex-wrap:wrap;margin:0 auto;display:flex}.shell__footer-about{gap:var(--space-two);flex-direction:column;flex:260px;max-width:340px;margin-inline-end:auto;display:flex}.shell__footer-about p{color:var(--color-text-secondary);margin:0;font-size:13px;line-height:1.6}.shell__footer-links{gap:var(--space-two);flex-direction:column;font-size:14px;font-weight:600;display:flex}.shell__footer-links a{color:var(--color-primary)}.shell__footer-links--muted a{color:var(--color-text-secondary);font-weight:500}.shell__footer-links a:hover{text-decoration:underline}.shell__footer-copy{max-width:var(--max-content-width);padding:var(--space-three) var(--space-four);border-top:1px solid var(--color-border);color:var(--color-text-secondary);margin:0 auto;font-size:13px}.shell__topbar-inner,.shell__footer-inner,.shell__footer-copy,.shell__content--wide{max-width:var(--max-content-width-wide)}@media (width<=640px){.shell__topbar{background:0 0;border-bottom:none;position:static}.shell__topbar-inner{padding:0}.shell__topbar .shell__logo,.shell__footer{display:none}.shell__nav{inset-inline:0;z-index:20;background:var(--color-background-element);border-top:1px solid var(--color-border);padding:0 var(--space-one) env(safe-area-inset-bottom);flex-wrap:nowrap;gap:0;position:fixed;bottom:0}.shell__nav-link{border-radius:0;flex-direction:column;flex:1 1 0;justify-content:center;gap:2px;min-width:0;min-height:56px;padding:6px 2px;font-size:11px}.shell__nav-link svg{width:22px;height:22px}.shell__nav-link--active,.shell__nav-link--active:hover{background:0 0}.shell__nav-label{white-space:nowrap;text-overflow:ellipsis;max-width:100%;overflow:hidden}.shell__content{padding:var(--space-four) var(--space-three) calc(80px + env(safe-area-inset-bottom))}}.ui-card{background:var(--color-background-element);border:1px solid var(--color-border);padding:var(--space-four);border-radius:16px}.ui-button{cursor:pointer;border:none;border-radius:12px;padding:12px 20px;font-size:15px;font-weight:600;transition:opacity .15s,transform .1s}.ui-button:active{transform:scale(.98)}.ui-button:disabled{opacity:.5;cursor:not-allowed}.ui-button--primary{background:var(--color-primary);color:var(--color-white)}.ui-button--secondary{background:var(--color-background-selected);color:var(--color-text)}.ui-button--danger{background:color-mix(in srgb, var(--color-danger) 12%, transparent);color:var(--color-danger)}.ui-button--primary:hover{opacity:.92}.ui-input{border:1px solid var(--color-border);background:var(--color-background);width:100%;color:var(--color-text);border-radius:10px;padding:11px 14px;font-size:15px}.ui-input:focus{outline:2px solid var(--color-primary);outline-offset:1px}.ui-empty{text-align:center;padding:var(--space-six) var(--space-four);color:var(--color-text-secondary)}.ui-empty__title{color:var(--color-text);margin:0 0 4px;font-size:16px;font-weight:600}.ui-empty__subtitle{margin:0;font-size:14px}.ui-icon-button{width:36px;height:36px;color:var(--color-text-secondary);cursor:pointer;background:0 0;border:none;border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;transition:background .15s,color .15s;display:inline-flex}.ui-icon-button:hover,.ui-icon-button:focus-visible{background:var(--color-background-selected);color:var(--color-text)}.ui-icon-button--danger:hover,.ui-icon-button--danger:focus-visible{background:color-mix(in srgb, var(--color-danger) 12%, transparent);color:var(--color-danger)}.ui-icon-button:disabled{opacity:.4;cursor:not-allowed}.ui-pill{white-space:nowrap;border-radius:999px;padding:3px 10px;font-size:12px;font-weight:700;display:inline-block}.ui-pill--neutral{background:var(--color-background-selected);color:var(--color-text-secondary)}.ui-pill--success{background:color-mix(in srgb, var(--color-success) 15%, transparent);color:var(--color-success)}.ui-pill--warning{background:color-mix(in srgb, var(--color-warning) 18%, transparent);color:var(--color-warning)}.ui-pill--danger{background:color-mix(in srgb, var(--color-danger) 12%, transparent);color:var(--color-danger)}.grade-input{text-align:center;width:84px;padding:6px 10px;font-size:14px}.ui-icon-picker{grid-template-columns:repeat(auto-fill,minmax(44px,1fr));gap:8px;display:grid}.ui-icon-picker__option{aspect-ratio:1;background:var(--color-background-selected);color:var(--color-primary);cursor:pointer;border:2px solid #0000;border-radius:12px;justify-content:center;align-items:center;font-size:22px;font-weight:700;transition:transform .1s,border-color .15s;display:flex}.ui-icon-picker__option:active{transform:scale(.94)}.ui-icon-picker__option--selected{border-color:var(--color-primary);background:color-mix(in srgb, var(--color-primary) 14%, transparent)}.ui-icon-picker__option:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}.ui-date{flex:1;width:100%;min-width:0;position:relative}.ui-date__icon{font-size:16px}.ui-date__clear{inset-inline-end:6px;z-index:1;width:30px;height:30px;color:var(--color-text-secondary);cursor:pointer;background:0 0;border:none;border-radius:50%;font-size:14px;position:absolute;top:50%;transform:translateY(-50%)}.ui-date__clear:hover,.ui-date__clear:focus-visible{background:var(--color-background-selected);color:var(--color-text)}.failed-pill{color:var(--color-danger);background:color-mix(in srgb, var(--color-danger) 12%, transparent);white-space:nowrap;border-radius:999px;align-items:center;padding:2px 10px;font-size:12px;font-weight:700;display:inline-flex}.rdp-root{--rdp-accent-color:blue;--rdp-accent-background-color:#f0f0ff;--rdp-day-height:44px;--rdp-day-width:44px;--rdp-day_button-border-radius:100%;--rdp-day_button-border:2px solid transparent;--rdp-day_button-height:42px;--rdp-day_button-width:42px;--rdp-selected-border:2px solid var(--rdp-accent-color);--rdp-disabled-opacity:.5;--rdp-outside-opacity:.75;--rdp-today-color:var(--rdp-accent-color);--rdp-dropdown-gap:.5rem;--rdp-months-gap:2rem;--rdp-nav_button-disabled-opacity:.5;--rdp-nav_button-height:2.25rem;--rdp-nav_button-width:2.25rem;--rdp-nav-height:2.75rem;--rdp-range_middle-background-color:var(--rdp-accent-background-color);--rdp-range_middle-color:inherit;--rdp-range_start-color:white;--rdp-range_start-background:linear-gradient(var(--rdp-gradient-direction), transparent 50%, var(--rdp-range_middle-background-color) 50%);--rdp-range_start-date-background-color:var(--rdp-accent-color);--rdp-range_end-background:linear-gradient(var(--rdp-gradient-direction), var(--rdp-range_middle-background-color) 50%, transparent 50%);--rdp-range_end-color:white;--rdp-range_end-date-background-color:var(--rdp-accent-color);--rdp-week_number-border-radius:100%;--rdp-week_number-border:2px solid transparent;--rdp-week_number-height:var(--rdp-day-height);--rdp-week_number-opacity:.75;--rdp-week_number-width:var(--rdp-day-width);--rdp-weeknumber-text-align:center;--rdp-weekday-opacity:.75;--rdp-weekday-padding:.5rem 0rem;--rdp-weekday-text-align:center;--rdp-gradient-direction:90deg;--rdp-animation_duration:.3s;--rdp-animation_timing:cubic-bezier(.4, 0, .2, 1)}.rdp-root[dir=rtl]{--rdp-gradient-direction:-90deg}.rdp-root[data-broadcast-calendar=true]{--rdp-outside-opacity:unset}.rdp-root{box-sizing:border-box;position:relative}.rdp-root *{box-sizing:border-box}.rdp-day{width:var(--rdp-day-width);height:var(--rdp-day-height);text-align:center}.rdp-day_button{cursor:pointer;font:inherit;color:inherit;width:var(--rdp-day_button-width);height:var(--rdp-day_button-height);border:var(--rdp-day_button-border);border-radius:var(--rdp-day_button-border-radius);background:0 0;justify-content:center;align-items:center;margin:0;padding:0;display:flex}.rdp-day_button:disabled{cursor:revert}.rdp-caption_label{z-index:1;white-space:nowrap;border:0;align-items:center;display:inline-flex;position:relative}.rdp-dropdown:focus-visible~.rdp-caption_label{outline:5px auto highlight;outline:5px auto -webkit-focus-ring-color}.rdp-button_next,.rdp-button_previous{cursor:pointer;font:inherit;color:inherit;appearance:none;width:var(--rdp-nav_button-width);height:var(--rdp-nav_button-height);background:0 0;border:none;justify-content:center;align-items:center;margin:0;padding:0;display:inline-flex;position:relative}.rdp-button_next:disabled,.rdp-button_next[aria-disabled=true],.rdp-button_previous:disabled,.rdp-button_previous[aria-disabled=true]{cursor:revert;opacity:var(--rdp-nav_button-disabled-opacity)}.rdp-chevron{fill:var(--rdp-accent-color);display:inline-block}.rdp-root[dir=rtl] .rdp-nav .rdp-chevron{transform-origin:50%;transform:rotate(180deg)}.rdp-dropdowns{align-items:center;gap:var(--rdp-dropdown-gap);display:inline-flex;position:relative}.rdp-dropdown{z-index:2;opacity:0;appearance:none;width:100%;cursor:inherit;line-height:inherit;border:none;margin:0;padding:0;position:absolute;inset-block:0;inset-inline-start:0}.rdp-dropdown_root{align-items:center;display:inline-flex;position:relative}.rdp-dropdown_root[data-disabled=true] .rdp-chevron{opacity:var(--rdp-disabled-opacity)}.rdp-month_caption{height:var(--rdp-nav-height);align-content:center;font-size:large;font-weight:700;display:flex}.rdp-root[data-nav-layout=around] .rdp-month,.rdp-root[data-nav-layout=after] .rdp-month{position:relative}.rdp-root[data-nav-layout=around] .rdp-month_caption{justify-content:center;margin-inline-start:var(--rdp-nav_button-width);margin-inline-end:var(--rdp-nav_button-width);position:relative}.rdp-root[data-nav-layout=around] .rdp-button_previous{inset-inline-start:0;height:var(--rdp-nav-height);display:inline-flex;position:absolute;top:0}.rdp-root[data-nav-layout=around] .rdp-button_next{inset-inline-end:0;height:var(--rdp-nav-height);justify-content:center;display:inline-flex;position:absolute;top:0}.rdp-months{gap:var(--rdp-months-gap);flex-wrap:wrap;max-width:fit-content;display:flex;position:relative}.rdp-month_grid{border-collapse:collapse}.rdp-nav{height:var(--rdp-nav-height);align-items:center;display:flex;position:absolute;inset-block-start:0;inset-inline-end:0}.rdp-weekday{opacity:var(--rdp-weekday-opacity);padding:var(--rdp-weekday-padding);text-align:var(--rdp-weekday-text-align);text-transform:var(--rdp-weekday-text-transform);font-size:smaller;font-weight:500}.rdp-week_number{opacity:var(--rdp-week_number-opacity);height:var(--rdp-week_number-height);width:var(--rdp-week_number-width);border:var(--rdp-week_number-border);border-radius:var(--rdp-week_number-border-radius);text-align:var(--rdp-weeknumber-text-align);font-size:small;font-weight:400}.rdp-today:not(.rdp-outside){color:var(--rdp-today-color)}.rdp-selected{font-size:large;font-weight:700}.rdp-selected .rdp-day_button{border:var(--rdp-selected-border)}.rdp-outside{opacity:var(--rdp-outside-opacity)}.rdp-disabled:not(.rdp-selected){opacity:var(--rdp-disabled-opacity)}.rdp-hidden{visibility:hidden;color:var(--rdp-range_start-color)}.rdp-range_start{background:var(--rdp-range_start-background)}.rdp-range_start .rdp-day_button{background-color:var(--rdp-range_start-date-background-color);color:var(--rdp-range_start-color)}.rdp-range_middle{background-color:var(--rdp-range_middle-background-color)}.rdp-range_middle .rdp-day_button{border:unset;border-radius:unset;color:var(--rdp-range_middle-color)}.rdp-range_end{background:var(--rdp-range_end-background);color:var(--rdp-range_end-color)}.rdp-range_end .rdp-day_button{color:var(--rdp-range_start-color);background-color:var(--rdp-range_end-date-background-color)}.rdp-range_start.rdp-range_end{background:revert}.rdp-focusable{cursor:pointer}@keyframes rdp-slide_in_left{0%{transform:translate(-100%)}to{transform:translate(0)}}@keyframes rdp-slide_in_right{0%{transform:translate(100%)}to{transform:translate(0)}}@keyframes rdp-slide_out_left{0%{transform:translate(0)}to{transform:translate(-100%)}}@keyframes rdp-slide_out_right{0%{transform:translate(0)}to{transform:translate(100%)}}.rdp-weeks_before_enter{animation:rdp-slide_in_left var(--rdp-animation_duration) var(--rdp-animation_timing) forwards}.rdp-weeks_before_exit{animation:rdp-slide_out_left var(--rdp-animation_duration) var(--rdp-animation_timing) forwards}.rdp-weeks_after_enter{animation:rdp-slide_in_right var(--rdp-animation_duration) var(--rdp-animation_timing) forwards}.rdp-weeks_after_exit{animation:rdp-slide_out_right var(--rdp-animation_duration) var(--rdp-animation_timing) forwards}.rdp-root[dir=rtl] .rdp-weeks_after_enter{animation:rdp-slide_in_left var(--rdp-animation_duration) var(--rdp-animation_timing) forwards}.rdp-root[dir=rtl] .rdp-weeks_before_exit{animation:rdp-slide_out_right var(--rdp-animation_duration) var(--rdp-animation_timing) 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forwards}.ui-date__trigger{text-align:start;width:100%;min-height:46px;font:inherit;color:var(--color-text);cursor:pointer;align-items:center;gap:8px;padding-inline-end:40px;display:flex}.ui-date__trigger--empty{color:var(--color-text-secondary)}.ui-date__text{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.ui-date__validator{inset-inline-start:50%;opacity:0;pointer-events:none;width:1px;height:1px;position:absolute;bottom:0}.dp-dialog{border:1px solid var(--color-border);background:var(--color-background-element);color:var(--color-text);border-radius:18px;max-width:calc(100vw - 32px);padding:0;box-shadow:0 20px 50px #00000040}.dp-dialog::backdrop{background:#00000059}.dp-panel{padding:var(--space-three)}.dp-title{margin:0 0 var(--space-two);font-weight:700}.dp-dialog .rdp-root{--rdp-accent-color:var(--color-primary);--rdp-accent-background-color:color-mix(in srgb, var(--color-primary) 14%, 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var(--space-three);border-radius:22px;display:block}.auth-card h1{margin:0 0 var(--space-one);font-size:22px}.auth-card p.auth-subtitle{color:var(--color-text-secondary);margin:0 0 var(--space-four);font-size:14px}.auth-field{margin-bottom:var(--space-three)}.auth-field label{color:var(--color-text-secondary);margin-bottom:6px;font-size:13px;font-weight:600;display:block}.auth-error{background:color-mix(in srgb, var(--color-danger) 10%, transparent);color:var(--color-danger);margin-bottom:var(--space-three);border-radius:10px;padding:10px 14px;font-size:13px}.auth-switch{text-align:center;margin-top:var(--space-four);color:var(--color-text-secondary);font-size:14px}.auth-switch a{color:var(--color-primary);font-weight:700}.auth-divider{align-items:center;gap:var(--space-two);margin:var(--space-four) 0 var(--space-three);color:var(--color-text-secondary);font-size:13px;display:flex}.auth-divider:before,.auth-divider:after{content:"";border-top:1px solid var(--color-border);flex:1}.auth-google{justify-content:center;min-height:44px;display:flex}.auth-legal{margin:var(--space-three) 0 0;text-align:center;color:var(--color-text-secondary);font-size:12px}.auth-legal a{color:inherit;text-decoration:underline}.sk{background:linear-gradient(90deg, var(--color-background-selected) 0%, color-mix(in srgb, var(--color-background-selected) 55%, var(--color-background-element)) 50%, var(--color-background-selected) 100%);background-size:200% 100%;flex-shrink:0;animation:1.4s ease-in-out infinite sk-shimmer;display:block}@keyframes sk-shimmer{0%{background-position:0 0}to{background-position:-200% 0}}@media (prefers-reduced-motion:reduce){.sk{animation:none}}.sk-page{animation:.2s .15s both sk-fade-in}@keyframes sk-fade-in{0%{opacity:0}to{opacity:1}}.sk-card{background:var(--color-background-element);border:1px solid var(--color-border);padding:var(--space-four);border-radius:16px;flex-direction:column;gap:12px;display:flex}.sk-card--center{align-items:center}.sk-grid3{gap:var(--space-three);margin-bottom:var(--space-three);grid-template-columns:repeat(3,1fr);display:grid}@media (width<=480px){.sk-grid3{grid-template-columns:1fr}}.sk-list{flex-direction:column;display:flex}.sk-row{align-items:center;gap:var(--space-three);padding:var(--space-three) 0;display:flex}.sk-row+.sk-row{border-top:1px solid var(--color-border)}.sk-row__text{flex-direction:column;flex:1;gap:8px;display:flex}.sk-sr{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.sk-slow{margin:0 0 var(--space-three);color:var(--color-text-secondary);background:var(--color-background-selected);border-radius:12px;padding:10px 14px;font-size:14px}.lb{margin-bottom:var(--space-five)}.lb__header{margin-bottom:var(--space-two);justify-content:space-between;align-items:baseline;display:flex}.lb__header 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