/* One responsive shell. Home stays fixed; long content scrolls inside sheets. */
.shell{max-width:1040px;margin:auto;padding:32px 40px;display:flex;flex-direction:column;gap:24px}.workspace{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:20px;align-items:start}.hero{min-height:112px}.calendar{min-height:382px}.calendar-grid{min-height:250px}.insights{min-height:220px}.action-area{margin-top:4px}.insight-summary{align-self:center}
@media(max-width:759px), (max-width:1000px) and (max-height:500px) and (orientation:landscape){
 html,body{width:100%;height:100%;overflow:hidden;overscroll-behavior:none}
 .shell{width:100%;max-width:500px;height:100vh;height:100dvh;min-height:0;overflow:hidden;padding:calc(12px + var(--safe-top)) max(16px,var(--safe-area-inset-right,env(safe-area-inset-right,0px))) calc(12px + var(--safe-bottom)) max(16px,var(--safe-area-inset-left,env(safe-area-inset-left,0px)));gap:12px}
 .top{flex:0 0 46px;min-height:46px;gap:5px}.brand{font-size:19px;gap:5px}.brand-icon{font-size:29px}.top-tools .icon-button{width:36px;height:44px}.today-heading>time{font-size:18px}.today-heading>span{font-size:10px}
 .demo-banner{flex:0 0 auto;font-size:10px;padding:3px 10px;min-height:28px}.demo-banner button{font-size:10px;min-height:22px}
 .hero{flex:0 0 86px;min-height:86px;gap:10px;padding:5px 4px}.prediction-label{font-size:11px;margin-bottom:4px}.hero h1{font-size:clamp(27px,7.4vw,32px)}.hero .muted{font-size:11px;margin-top:6px;white-space:normal}.prediction-badge{gap:4px;padding:6px 0 6px 5px}.prediction-badge>span{font-size:10px}.prediction-badge>strong{font-size:17px}.prediction-badge small{font-size:11px}
 .workspace{flex:1 1 0;min-height:0;display:grid;grid-template-columns:minmax(0,1fr);grid-template-rows:minmax(0,1fr) 136px;gap:12px;align-items:stretch}.card{padding:13px 14px;border-radius:22px}.calendar{min-height:0}.section-heading{min-height:38px;margin-bottom:7px}.section-heading h2{font-size:18px}.calendar-controls .icon-button{width:36px;height:40px}.today-button{font-size:11px;min-height:32px;padding:5px 10px}.weekdays{font-size:11px;min-height:20px;margin-bottom:5px}.calendar-grid{min-height:0;row-gap:4px}.day{min-height:0;font-size:15px}.legend{margin-top:9px;gap:7px 13px;font-size:10px;min-height:18px}.day::before{inset:3px 0}.day .fertility-mark{bottom:3px}
 .insights{min-height:0;padding:10px 16px 13px;grid-template-rows:32px minmax(0,1fr);gap:5px;overflow:hidden}.date-title h2{font-size:15px}.date-title h2 .metric-label{font-size:11px}.detail-trigger{min-height:36px;min-width:56px;font-size:11px}.combined-summary{gap:12px;align-self:stretch}.combined-summary .metric-label{font-size:11px;line-height:1.45}.mini-number{font-size:32px;margin-top:3px}.mini-number small{font-size:14px}.number-prefix{font-size:13px}.mini-secondary{padding-left:16px;gap:4px}.mini-secondary>.combined-chance{font-size:30px}.mini-secondary>.low-chance{font-size:24px}.mini-secondary>.compact-range{font-size:12px}.mini-secondary .record-end{font-size:17px}.mini-secondary>span,.summary-caption{font-size:10px;line-height:1.4}.summary-caption{margin-top:3px}.summary-value{font-size:18px;line-height:1.4}.summary-title{font-size:16px}.summary-empty{min-height:0;gap:3px}.summary-empty .text-button{font-size:12px;min-height:30px}
 .action-area{flex:0 0 76px;min-height:76px;max-width:none;margin:0;gap:9px;grid-template-columns:repeat(2,minmax(0,1fr)) minmax(66px,.58fr)}.daily-control,.backfill-button{height:76px;min-height:76px;font-size:13px;gap:7px;border-radius:19px}.backfill-button{gap:5px}.backfill-button>span:first-child{font-size:24px}
 dialog{width:calc(100% - 16px);max-width:500px;max-height:calc(100dvh - 24px - var(--safe-top));margin:auto auto 8px;padding:22px 22px calc(22px + var(--safe-bottom));border-radius:26px}.sheet-header{margin-bottom:18px}.sheet-header h2{font-size:21px}.sheet-header .eyebrow{font-size:10px}.sheet-grip{margin-top:-13px;margin-bottom:10px}.range-hint{font-size:12px}.range-month h3{font-size:18px}.range-day{min-height:42px}.toast{font-size:12px}
}
@media(max-width:359px){
 .shell{padding-left:max(12px,var(--safe-area-inset-left,0px));padding-right:max(12px,var(--safe-area-inset-right,0px));gap:9px}.brand{font-size:17px}.brand-icon{font-size:26px}.top-tools .icon-button{width:32px}.today-heading>time{font-size:17px}.today-heading>span{font-size:9px}.hero{gap:5px}.hero h1{font-size:27px}.hero .muted{font-size:10px}.prediction-badge{max-width:35%}.prediction-badge>strong{font-size:15px}.section-heading h2{font-size:17px}.calendar-controls .icon-button{width:31px}.today-button{padding:5px 8px}.card{padding-left:12px;padding-right:12px}.legend{font-size:9px;gap:7px 11px}.combined-summary{gap:8px}.combined-summary .metric-label{font-size:10px}.mini-secondary{padding-left:12px}.mini-secondary>.low-chance{font-size:22px}.summary-value{font-size:16px}.action-area{gap:7px;grid-template-columns:repeat(2,minmax(0,1fr)) 64px}.daily-control,.backfill-button{font-size:12px}dialog{padding-left:18px;padding-right:18px}
}
@media(max-width:759px) and (max-height:680px){
 .shell{gap:8px;padding-top:calc(8px + var(--safe-top));padding-bottom:calc(8px + var(--safe-bottom))}.top{flex-basis:42px;min-height:42px}.hero{flex-basis:74px;min-height:74px}.hero h1{font-size:28px}.prediction-label{font-size:10px;margin-bottom:3px}.hero .muted{font-size:10px;margin-top:5px}.workspace{grid-template-rows:minmax(0,1fr) 118px;gap:8px}.card{padding-top:10px;padding-bottom:10px}.section-heading{min-height:34px;margin-bottom:3px}.calendar-controls .icon-button{height:36px}.weekdays{font-size:10px;min-height:17px;margin-bottom:3px}.calendar-grid{row-gap:3px}.day{font-size:14px}.legend{margin-top:6px;font-size:9px;min-height:16px}.insights{padding-top:7px;padding-bottom:9px;grid-template-rows:30px minmax(0,1fr);gap:3px}.combined-summary .mini-number{font-size:29px}.mini-secondary>.combined-chance{font-size:28px}.mini-secondary>.low-chance{font-size:22px}.combined-summary .metric-label{font-size:10px}.summary-caption,.mini-secondary>span{font-size:9px}.summary-value{font-size:17px}.action-area{flex-basis:68px;min-height:68px}.daily-control,.backfill-button{height:68px;min-height:68px;gap:5px}.toast{bottom:calc(86px + var(--safe-bottom))}
}
@media(max-width:759px) and (max-height:560px){
 .shell{gap:6px;padding-top:calc(6px + var(--safe-top));padding-bottom:calc(6px + var(--safe-bottom))}.top{flex-basis:38px;min-height:38px}.today-heading>time{font-size:16px}.today-heading>span{font-size:9px}.hero{flex-basis:60px;min-height:60px;padding-top:0;padding-bottom:0}.hero h1{font-size:24px}.prediction-label{font-size:10px;margin-bottom:2px}.hero .muted{font-size:9px;margin-top:4px}.prediction-badge>strong{font-size:15px}.workspace{grid-template-rows:minmax(0,1fr) 106px;gap:6px}.card{padding:7px 11px;border-radius:18px}.section-heading{min-height:32px;margin-bottom:2px}.section-heading h2{font-size:16px}.weekdays{min-height:15px;margin-bottom:2px}.calendar-grid{row-gap:1px}.day{font-size:13px}.day::before{inset:2px 0}.day .fertility-mark{bottom:1px;width:8px;height:7px;left:calc(50% - 4px)}.today-label{top:1px;right:3px;font-size:7px;height:10px;min-width:9px}.legend{font-size:9px;min-height:14px;margin-top:4px;gap:6px 10px}.insights{padding:5px 13px 7px;grid-template-rows:28px minmax(0,1fr)}.date-title h2{font-size:14px}.date-title h2 .metric-label{font-size:10px}.mini-number{font-size:26px!important}.mini-secondary>.combined-chance{font-size:26px}.mini-secondary>.low-chance{font-size:21px}.summary-caption,.mini-secondary>span{font-size:9px}.summary-value{font-size:16px}.action-area{flex-basis:60px;min-height:60px}.daily-control,.backfill-button{height:60px;min-height:60px;font-size:12px;gap:4px}.toggle{width:38px;height:23px}.toggle::before{width:17px;height:17px}.toggle:checked::before{transform:translateX(15px)}.backfill-button>span:first-child{font-size:21px}.toast{bottom:calc(77px + var(--safe-bottom))}
}
@media(max-width:1000px) and (max-height:500px) and (orientation:landscape){
 .shell{max-width:900px;gap:6px;padding-top:calc(8px + var(--safe-top));padding-bottom:calc(8px + var(--safe-bottom))}.top{flex-basis:38px;min-height:38px}.hero{display:none}.today-heading{flex-direction:row;gap:9px}.workspace{grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);grid-template-rows:minmax(0,1fr)}.insights{grid-template-rows:32px minmax(0,1fr)}.insight-summary{align-self:center}.action-area{max-width:560px;flex-basis:50px;min-height:50px}.daily-control,.backfill-button{height:50px;min-height:50px;flex-direction:row;gap:12px}.backfill-button{gap:5px}.demo-banner{font-size:9px;min-height:22px}.calendar.card{padding:7px 12px}.section-heading{min-height:32px;margin-bottom:3px}.weekdays{min-height:16px;margin-bottom:3px}.calendar-grid{row-gap:2px}.legend{margin-top:5px;min-height:15px;font-size:9px}.day{font-size:12px}.day .fertility-mark{bottom:1px;width:8px;height:7px;left:calc(50% - 4px)}
}