/* The calendar owns all date navigation; the plan remains the main reading column. */
.view-day .daily-heading { align-items: center; margin-bottom: 26px; }
.day-calendar { min-width: 0; padding: clamp(16px,2.3vw,24px); margin-bottom: 28px; border: 1px solid var(--outline); border-radius: 28px; background: white; }
.day-calendar .program-tools { gap: 16px; padding-bottom: 20px; margin-bottom: 16px; border-bottom: 1px solid var(--line); }
.day-calendar .day-strip { padding: 0; margin: 0; border: 0; background: transparent; gap: clamp(3px,1vw,12px); }
.day-calendar .day-button { min-height: 84px; padding-block: 12px; border-radius: 20px; }
.day-calendar .day-button.selected { color: white; }
.day-calendar .day-number { font-size: 1.25rem; }
.view-day .content-columns { gap: 24px; grid-template-columns: minmax(0,1fr) minmax(240px,.36fr); }
.view-day .content-columns > section { min-width: 0; }
.view-day .section-heading { gap: 14px; flex-wrap: wrap; margin-bottom: 18px; }
.day-plan-count { color: var(--muted); font-size: .75rem; padding: 9px 13px; background: #e9edeb; border-radius: 18px; white-space: nowrap; }
.view-day .task-toolbar { margin-bottom: 18px; }
.view-day .task-row.study-card { border-color: var(--line); border-radius: 26px; }
.view-day .task-row.study-card .study-card-footer { gap: 12px; }
.view-day .task-row.study-card .task-title { line-height: 1.5; }
.view-day .day-empty { display: flex; flex-direction: column; align-items: flex-start; gap: 16px; text-align: left; padding: clamp(26px,4vw,42px); border: 1px solid var(--outline); border-radius: 28px; background: white; }
.day-empty-symbol { display: grid; place-items: center; width: 56px; height: 56px; border-radius: 20px; background: var(--mint); }
.day-empty-symbol svg { width: 27px; height: 27px; }
.view-day .day-empty h3 { margin: 2px 0 0; font-size: clamp(1.1rem,2vw,1.3rem); font-weight: 600; line-height: 1.45; }
.view-day .day-empty p { max-width: 50ch; margin: 0; font-size: .875rem; }
.view-day .day-empty .empty-actions { justify-content: flex-start; gap: 12px 20px; margin-top: 8px; }
.view-day .day-footnote { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 6px 18px; margin-top: 14px; }
.day-footnote > span { display: inline-flex; align-items: center; gap: 7px; }
.view-day .day-footnote svg { margin: 0; width: 15px; height: 15px; }
.day-footnote .text-button { gap: 8px; }
.view-day .context-rail { display: grid; grid-template-columns: 1fr; gap: 16px; min-width: 0; }
.view-day .context-section { padding: 24px; border-radius: 26px; margin: 0; min-width: 0; }
.day-rail-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.day-rail-heading h2 { margin: 0; line-height: 1.5; }
.day-rail-heading > svg { width: 20px; height: 20px; flex: 0 0 auto; }
.view-day .day-week-summary > p { margin-top: 8px; color: #34515a; }
.day-week-metrics { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px; margin: 24px 0 18px; }
.day-week-metrics > div { display: grid; align-content: start; gap: 8px; }
.day-week-metrics strong { font-size: 1.7rem; font-weight: 600; line-height: 1.1; font-variant-numeric: tabular-nums; }
.day-week-metrics strong small { font-size: .875rem; font-weight: 500; }
.day-week-metrics span { font-size: .75rem; color: #34515a; line-height: 1.5; }
.view-day .day-week-summary .week-bars { margin-top: 22px; }
.view-day .day-week-summary > .text-button { display: inline-flex; gap: 8px; margin-top: 16px; }
.view-day .day-week-summary .day-week-empty { margin-top: 22px; font-size: .875rem; }
.day-backlog-count { padding: 8px 12px; border-radius: 16px; background: #ffffffa0; font-size: .8125rem; }
.view-day .day-backlog.is-clear { background: #e6f3df; }
.view-day .day-backlog.is-clear p { color: #405337; }
.view-day .backlog-list { margin-top: 16px; }
.view-day .backlog-list li { padding-block: 16px; }
.view-day .backlog-list li:first-child { padding-top: 0; }
.view-day .backlog-list .text-button { gap: 7px; }
.day-calendar button:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; }
/* Below tablet landscape the summary follows the plan in two compact columns. */
@media(max-width:1000px) {
 .view-day .content-columns { grid-template-columns: minmax(0,1fr); }
 .view-day .context-rail { grid-template-columns: repeat(2,minmax(0,1fr)); align-items: start; }
 .view-day .context-section:last-child { grid-column: auto; }
}
@media(max-width:600px) {
 .view-day .daily-heading { align-items: flex-start; gap: 16px; }
 .view-day .daily-heading .heading-copy { min-width: 0; flex: 1 1 140px; }
 .view-day .daily-heading > .button { font-size: .75rem; padding-inline: 16px; }
 .day-calendar { padding: 16px 12px 12px; border-radius: 24px; margin-bottom: 24px; }
 .day-calendar .program-tools { padding-inline: 4px; gap: 14px; }
 .day-calendar .program-tools .date-tools { justify-content: space-between; width: 100%; gap: 3px; }
 .day-calendar .date-control { min-width: 0; flex: 1 1 115px; max-width: 170px; }
 .day-calendar .date-control input { min-width: 0; width: 100%; }
 .day-calendar .date-tools > .icon-button { width: 32px; min-width: 32px; }
 .day-calendar .date-tools > .button { min-height: 44px; padding-inline: 12px; font-size: .75rem; }
 .day-calendar .day-strip { gap: 2px; }
 .day-calendar .day-button { padding-inline: 0; min-height: 76px; border-radius: 16px; font-size: .6875rem; }
 .day-calendar .day-number { font-size: 1.1rem; }
 .view-day .day-empty { padding: 26px 22px; border-radius: 24px; }
 .view-day .context-rail { grid-template-columns: minmax(0,1fr); }
 .view-day .context-section { padding: 22px; }
 .view-day .day-footnote { align-items: center; }
}
@media(max-width:340px) {
 .day-calendar .date-control { flex-basis: 100%; max-width: none; margin-top: 6px; }
 .day-calendar .day-button { min-height: 72px; }
 .view-day .daily-heading .heading-copy { flex-basis: 110px; }
 .view-day .daily-heading > .button { padding-inline: 12px; }
}