.study-session { margin: 28px 0; border: 1px solid var(--line); padding: 28px; border-radius: 12px; background: #fff; }
.study-session-heading { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.study-session h2 { font-size: clamp(23px, 3vw, 30px); margin: 10px 0 0; letter-spacing: -.025em; }
.study-count { font: 11px var(--mono); color: var(--dim); white-space: nowrap; }
.study-budgets { display: flex; gap: 8px; margin: 24px 0 14px; }
.study-budgets .btn { min-width: 85px; }
.study-budget-note, .study-recovery, .study-complete { font-size: 13px; line-height: 1.65; color: var(--body); }
.study-recovery { border-left: 3px solid var(--blue); padding: 10px 14px; margin-top: 18px; background: #f5f9ff; }
.study-task-list { border-block: 1px solid var(--line); margin: 22px 0; }
.study-task { width: 100%; display: grid; grid-template-columns: 26px minmax(0,1fr) auto; align-items: center; gap: 16px; padding: 18px 4px; background: transparent; border: 0; text-align: left; color: var(--text); cursor: pointer; }
.study-task + .study-task { border-top: 1px solid var(--line); }
.study-task:hover:not(:disabled) { background: #f7faff; }
.study-task strong { display: block; font-size: 14px; font-weight: 650; }
.study-task small { display: block; margin-top: 5px; color: var(--dim); font-size: 12px; line-height: 1.5; }
.study-task-index, .study-task-time { font: 11px var(--mono); color: var(--dim); }
.study-task.done .study-task-index { color: var(--green); }
.study-task.done { opacity: .65; }
.today-page.panel, .today-page.course-page { max-width:980px; padding-top:28px; }
.today-page .guide-day-hero, .today-page > .v2-hero { padding:0 0 22px; border-bottom:0; }
.today-page .guide-day-hero h1, .today-page > .v2-hero h1 { font-size:clamp(32px,4.4vw,46px); line-height:1.12; margin:12px 0; }
.today-page .guide-day-hero > p, .today-page > .v2-hero > p { margin:10px 0 0; font-size:14px; }
.today-page .study-session { margin:0 0 28px; padding:26px; }
.study-session-heading h2 { font-size:20px; margin:0; }
.study-time-picker { display:flex; align-items:center; justify-content:space-between; gap:16px; margin:18px 0; }
.study-time-picker .label { font-size:10px; }
.study-time-picker .study-budgets { margin:0; gap:4px; padding:3px; border:1px solid var(--line); border-radius:8px; background:#f6f7f9; }
.study-time-picker .btn { min-width:70px; min-height:38px; padding:8px 12px; border:1px solid transparent; border-radius:5px; background:transparent; color:var(--body); }
.study-time-picker .btn[aria-pressed="true"] { background:#fff; border-color:#9daabc; color:var(--text); box-shadow:0 1px 2px #162b4510; }
.study-progress-track { height:3px; overflow:hidden; background:#e8edf3; border-radius:2px; }
.study-progress-track > span { display:block; height:100%; background:var(--blue); }
.study-next-step { margin:22px 0 26px; padding:24px; border:1px solid #dae3ee; border-left:3px solid var(--blue); border-radius:8px; background:#f7f9fc; }
.study-next-step .label { color:#405c89; font-size:10px; }
.study-next-step h3 { font-size:clamp(23px,3vw,29px); font-weight:600; line-height:1.25; letter-spacing:-.025em; margin:12px 0 8px; }
.study-next-step > p { margin:0 0 20px; color:var(--body); font-size:14px; line-height:1.6; }
.study-next-step .btn { min-height:44px; }
.study-session .study-list-heading { margin:0; font-size:13px; font-weight:600; }
.study-session .study-task-list { margin:10px 0 18px; }
.today-page :is(button, a, summary, input, select, textarea):focus-visible { outline:3px solid #315be8; outline-offset:4px; }
.today-page .btn { white-space:normal; }
.today-page .study-task { min-height:60px; }
.guide-welcome .study-session > .btn { margin-top:4px; min-height:48px; }
.guide-welcome .study-next-step h2 { margin:8px 0; font-size:clamp(24px,3vw,32px); line-height:1.2; }
.guide-welcome .study-next-step { margin:12px 0; padding:14px 16px; }
.guide-welcome .study-time-picker { margin:4px 0 12px; }
.guide-welcome #first-session-detail { margin:14px 0 8px; }
.study-save-help { color:var(--dim); font-size:13px; line-height:1.7; max-width:70ch; margin:0 0 24px; }
.guide-welcome .guide-schedule > p, .guide-welcome .guide-schedule > .guide-track-list, .guide-welcome .guide-schedule > .guide-setup-actions { margin-left:16px; margin-right:16px; }
.guide-welcome .guide-setup-actions { padding-bottom:20px; }
.today-library { margin:-10px 0 24px; text-align:right; }
.today-library .ghostbtn { min-height:44px; }
.guide-original .guide-today { margin-top: 0; padding-bottom: 24px; }
.study-review-stage > *, .study-review-stage .cars-q { min-width: 0; }
.study-review-stage { display: grid; grid-template-columns: minmax(0,1.1fr) minmax(0,1fr); gap: 34px; max-width: 1160px; align-items: start; }
.study-question-heading { font-size: clamp(25px,3vw,34px); line-height: 1.2; letter-spacing: -.03em; margin: 12px 0 18px; }
.study-instruction { font-size: 13px; line-height: 1.65; color: var(--dim); margin: 12px 0 20px; }
.study-field { display: block; font-size: 14px; font-weight: 600; margin: 24px 0; }
.study-field small { display: block; font-size: 12px; font-weight: 400; color: var(--dim); margin: 6px 0 9px; line-height: 1.5; }
.study-field textarea { display: block; box-sizing: border-box; width: 100%; resize: vertical; border: 1px solid #bcc8d5; border-radius: 6px; padding: 12px; margin-top: 9px; font: 14px/1.65 var(--sans); color: var(--text); background: #fff; }
.study-field textarea:focus { outline: 2px solid var(--blue); outline-offset: 2px; }
.study-flag { display: flex; gap: 8px; align-items: center; margin: 14px 0 20px; font-size: 13px; }
.study-actions { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; margin: 20px 0; }
.study-selected { border-color: var(--blue) !important; background: #eef5ff !important; box-shadow: inset 3px 0 var(--blue); }
.cars-evidence { display: inline; padding: 2px 0; border: 0; border-radius: 2px; background: transparent; font: inherit; color: inherit; line-height: inherit; text-align: left; cursor: pointer; }
.cars-evidence:hover { background: #f0f5fb; }
.cars-evidence.selected { background: #dfecff; box-shadow: 0 2px var(--blue); }
.cars-evidence:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }
.study-result h1 { font-size: clamp(30px,5vw,46px); margin-top: 20px; }
.study-result > p { color: var(--body); font-size: 14px; line-height: 1.7; max-width: 740px; }
.study-score-pair { display: flex; gap: 48px; padding: 30px 0; }
.study-score-pair strong { display: block; font: 36px var(--mono); color: var(--text); }
.study-score-pair span { display: block; margin-top: 10px; font-size: 12px; color: var(--dim); }
.study-result blockquote, .experiment-comparison blockquote { padding: 10px 14px; border-left: 3px solid var(--line); white-space: pre-wrap; overflow-wrap: anywhere; }
.study-quote { color: var(--dim); font-size: 13px; }
.study-graph { margin: 20px 0; padding: 16px; border: 1px solid var(--line); border-radius: 8px; background: #fff; }
.study-graph svg { width: 100%; height: auto; display: block; }
.study-graph figcaption { font-size: 11px; line-height: 1.6; color: var(--dim); margin-top: 8px; }
.experiment-comparison { margin: 24px 0 36px; text-align: left; }
.experiment-comparison h2 { font-size: 22px; margin-bottom: 12px; }
.experiment-comparison .rev-body p { white-space: pre-wrap; overflow-wrap: anywhere; }
@media (max-width: 600px) {
  .study-session { padding: 18px 14px; }
  .study-session-heading { align-items: flex-start; flex-direction: column; gap: 12px; }
  .study-budgets .btn { min-width: 0; flex: 1; padding-inline: 12px; }
  .study-task { gap: 10px; }
  .study-session > .btn, .study-actions > .btn { width: 100%; white-space: normal; }
  .study-score-pair { gap: 28px; }
  .study-graph { padding: 8px; }
  .today-page.panel, .today-page.course-page { padding:22px 16px 48px; }
  .today-page .study-session { padding:18px 14px; }
  .today-page .study-session-heading { flex-direction:row; align-items:center; gap:8px; }
  .study-time-picker { align-items:flex-start; flex-direction:column; gap:10px; margin:18px 0; }
  .study-time-picker .study-budgets { width:100%; box-sizing:border-box; }
  .study-time-picker .btn { min-height:42px; }
  .study-next-step { padding:18px 16px; margin:18px 0 24px; }
  .study-next-step .btn { width:100%; }
  .study-next-step > p { font-size:13px; }
}
@media (max-width: 850px) { .study-review-stage { display: block; } }
@media (max-width: 850px) {
  .study-review-stage .cars-passage { max-height: 360px; overflow-y: auto; overscroll-behavior: contain; }
}