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input[type=month]{display:block;width:100%;max-width:100%;min-width:0;box-sizing:border-box;-webkit-appearance:none;-moz-appearance:none;appearance:none;text-align:left;min-height:2.75rem;padding:.5rem .75rem;border:1px solid rgb(var(--color-outline-variant));border-radius:8px;background:rgb(var(--color-surface-container-lowest));color:rgb(var(--color-on-surface));font:inherit;font-size:.9375rem}.bir-tool input[type=month]::-webkit-date-and-time-value{text-align:left}.bir-tool input[type=month]:hover{border-color:rgb(var(--color-outline))}.bir-tool .bir-results{display:flex;flex-direction:column;gap:1.25rem;min-width:0}.bir-tool .bir-h2{margin:0 0 .5rem;font-size:1rem;font-weight:700;color:rgb(var(--color-on-surface))}.bir-tool .bir-summary{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:1rem}.bir-tool .bir-summary__text{min-width:0;flex:1 1 18rem}.bir-tool .bir-summary h2{margin:.25rem 0;font-size:1.375rem;font-weight:700;line-height:1.25;letter-spacing:-.015em;text-wrap:balance;color:rgb(var(--color-on-surface))}.bir-tool .bir-summary__link{margin-top:.5rem}.bir-tool .bir-summary__link a{font-size:.875rem;font-weight:600;color:rgb(var(--color-accent));text-decoration:underline;text-underline-offset:2px}.bir-tool .bir-summary__link a:hover{text-decoration-thickness:2px}.bir-tool .bir-summary p{margin:0;font-size:.9375rem;color:rgb(var(--color-on-surface-variant))}.bir-tool .bir-summary__actions{display:flex;flex-wrap:wrap;align-items:center;gap:.75rem}.bir-tool .bir-years{display:inline-flex;gap:.25rem;padding:.125rem;border:1px solid rgb(var(--color-outline-variant));border-radius:9999px}.bir-tool .bir-year{min-height:2.5rem;padding:.25rem .9rem;border:0;border-radius:9999px;background:transparent;cursor:pointer;font:inherit;font-size:.875rem;font-weight:600;color:rgb(var(--color-on-surface-variant))}.bir-tool .bir-year:hover{color:rgb(var(--color-on-surface));background:rgb(var(--color-surface-container))}.bir-tool .bir-year[aria-pressed=true]{background:rgb(var(--color-accent-container));color:rgb(var(--color-on-accent-container))}.bir-tool .button-primary{cursor:pointer;border:0}.bir-tool .bir-panel[hidden]{display:none}.bir-tool .bir-panel__text{margin:0 0 1rem;font-size:.9375rem;color:rgb(var(--color-on-surface-variant));max-width:60ch}.bir-tool .bir-panel__trial{margin-top:1.25rem;padding-top:1.25rem;border-top:1px solid rgb(var(--color-divider));display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:1rem}.bir-tool .bir-panel__trial[hidden]{display:none}.bir-tool .bir-panel__trial p{margin:0;flex:1 1 18rem;font-size:.9375rem;color:rgb(var(--color-on-surface-variant));max-width:46ch}.bir-tool .bir-options{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:.5rem}.bir-tool .bir-option{display:flex;align-items:center;gap:.875rem;min-height:3rem;padding:.625rem .75rem;border-radius:8px;border:1px solid rgb(var(--color-outline-variant));background:rgb(var(--color-surface-container-lowest));text-decoration:none;color:rgb(var(--color-on-surface));transition:background-color .2s,border-color .2s}.bir-tool .bir-option:hover{background:rgb(var(--color-surface-container));border-color:rgb(var(--color-outline))}.bir-tool .bir-option:focus-visible{outline:2px solid rgb(var(--color-accent));outline-offset:2px}.bir-tool .bir-option__body{display:flex;flex-direction:column;min-width:0}.bir-tool .bir-option__body strong{font-size:.9375rem;font-weight:600}.bir-tool .bir-option__body span{font-size:.8125rem;color:rgb(var(--color-on-surface-variant))}.bir-tool .tile{flex:none;display:grid;place-items:center;width:2.25rem;height:2.25rem;border-radius:8px;background:rgb(var(--color-surface-container));color:rgb(var(--color-on-surface))}.bir-tool .tile svg{width:1.25rem;height:1.25rem}.bir-tool .bir-code{display:inline-block;padding:.2rem .55rem;border-radius:6px;background:rgb(var(--color-surface-container));font-family:var(--font-mono);font-size:.75rem;font-weight:600;color:rgb(var(--color-on-surface));white-space:nowrap}.bir-tool .bir-forms{display:flex;flex-wrap:wrap;gap:.4rem}.bir-tool .bir-empty-art{display:flex;justify-content:center}.bir-tool .bir-empty-art[hidden]{display:none}.bir-tool .bir-empty{margin:0;font-size:.9375rem;color:rgb(var(--color-on-surface-variant))}.bir-tool .bir-months{display:flex;flex-direction:column;gap:1.5rem}.bir-tool .bir-month h3{margin:0 0 .25rem;font-size:.9375rem;font-weight:700;color:rgb(var(--color-on-surface))}.bir-tool .bir-rows{margin:0;padding:0;list-style:none}.bir-tool .bir-row{display:grid;grid-template-columns:3rem minmax(0,1fr) auto;gap:.875rem;align-items:center;padding-block:.75rem;border-bottom:1px solid rgb(var(--color-divider))}.bir-tool .bir-row:last-child{border-bottom:0}.bir-tool .bir-row--past .bir-day,.bir-tool .bir-row--past .bir-what{opacity:.55}.bir-tool .bir-day{text-align:center}.bir-tool .bir-day b{display:block;font-size:1.375rem;font-weight:700;line-height:1;font-variant-numeric:tabular-nums;color:rgb(var(--color-on-surface))}.bir-tool .bir-day small{font-size:.75rem;color:rgb(var(--color-on-surface-variant))}.bir-tool .bir-title{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem;font-size:.9375rem;font-weight:600;color:rgb(var(--color-on-surface))}.bir-tool .bir-meta{margin-top:.15rem;font-size:.8125rem;color:rgb(var(--color-on-surface-variant))}.bir-tool .badge{display:inline-flex;align-items:center;border-radius:9999px;padding:.1rem .5rem;font-size:.75rem;font-weight:600;white-space:nowrap}.bir-tool .badge--info{background:rgb(var(--color-accent-container));color:rgb(var(--color-on-accent-container))}.bir-tool .badge--warning{background:rgba(var(--color-warning),.15);color:rgb(var(--color-on-surface))}.bir-tool .badge--neutral{background:rgba(var(--color-outline),.12);color:rgb(var(--color-on-surface-variant))}.bir-tool .bir-cta{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:1rem}.bir-tool .bir-cta>div{flex:1 1 18rem;min-width:0}.bir-tool .bir-cta p{margin:0;font-size:.9375rem;color:rgb(var(--color-on-surface-variant));max-width:46ch}.bir-tool .bir-also{margin:0;padding:0;list-style:none;font-size:.9375rem;color:rgb(var(--color-on-surface-variant))}.bir-tool .bir-also li{padding-block:.5rem;border-bottom:1px solid rgb(var(--color-divider))}.bir-tool .bir-also li:first-child{padding-top:0}.bir-tool .bir-also li:last-child{padding-bottom:0;border-bottom:0}.bir-tool .bir-fine{margin:0;max-width:70ch;font-size:.8125rem;color:rgb(var(--color-on-surface-variant))}.bir-sticky{display:none}@media(max-width:767px){.bir-sticky:not([hidden]){position:fixed;left:0;right:0;bottom:0;z-index:40;display:flex;align-items:center;gap:.75rem;padding:.625rem .75rem calc(.625rem + env(safe-area-inset-bottom)) 1rem;background:rgb(var(--color-surface-container-lowest));border-top:1px solid rgb(var(--color-divider));animation:bir-sticky-in .2s ease-out}body.bir-has-sticky{padding-bottom:calc(4.5rem + env(safe-area-inset-bottom))}}.bir-sticky p{margin:0;flex:1 1 auto;min-width:0;font-size:.875rem;font-weight:600;line-height:1.3;color:rgb(var(--color-on-surface))}.bir-sticky .button-primary{flex:none;min-height:2.5rem;padding:.4rem .85rem;font-size:.875rem;white-space:nowrap}.bir-sticky__close{flex:none;display:grid;place-items:center;width:2.5rem;height:2.5rem;border:0;border-radius:8px;background:transparent;cursor:pointer;color:rgb(var(--color-on-surface-variant))}.bir-sticky__close:hover{background:rgb(var(--color-surface-container));color:rgb(var(--color-on-surface))}.bir-sticky__close:focus-visible,.bir-sticky .button-primary:focus-visible{outline:2px solid rgb(var(--color-accent));outline-offset:2px}.bir-sticky__close svg{width:1.25rem;height:1.25rem}@keyframes bir-sticky-in{0%{transform:translateY(100%)}to{transform:translateY(0)}}@media(prefers-reduced-motion:reduce){.bir-sticky{animation:none!important}}