.intervals-page { position: relative; z-index: 1; }
.icu-heading { max-width: 740px; margin: 0 0 36px; }
.icu-kicker { color: var(--accent-deep); font-size: .65rem; letter-spacing: 1.7px; font-weight: 600; }
.icu-heading h1 { font: 500 clamp(2.4rem,5vw,4.2rem)/1.1 var(--font-display); letter-spacing: -1.7px; margin: 20px 0; }
.icu-heading h1 em { color: var(--accent-deep); font-style: normal; }
.icu-heading p { color: var(--muted); line-height: 1.8; font-size: .95rem; }
.icu-account-card { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; align-items: center; padding: 32px; border: 1px solid var(--surface-lime); border-radius: 24px; background: var(--surface-white); }
.icu-account-card h2 { margin: 12px 0 8px; font: 500 1.8rem var(--font-display); }
.icu-account-card p { color: var(--muted); font-size: .85rem; line-height: 1.8; }
.icu-account-icon { display: grid; place-items: center; width: 42px; height: 42px; background: var(--surface-lime); border-radius: 12px; font-size: 1.6rem; }
.icu-status { display: inline-block; margin-top: 14px; padding: 6px 12px; border-radius: 20px; background: var(--surface); color: var(--muted); font-size: .7rem; font-weight: 600; }
.icu-account-actions { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; }
.icu-account-actions .btn-hero-primary { gap: 24px; }
.icu-account-actions p { width: 100%; font-size: .75rem; }
.intervals-page [aria-disabled="true"] { opacity: .5; pointer-events: none; }
.intervals-page [hidden] { display: none !important; }
.icu-message { padding: 12px 0; min-height: 48px; color: var(--muted); font-size: .85rem; }
.icu-message[data-error="true"] { color: #a33b20; }
.icu-sync-bar { display: flex; align-items: flex-end; gap: 16px; flex-wrap: wrap; background: var(--surface); border-radius: 18px; padding: 24px; }
.icu-sync-bar label { display: block; font-size: .75rem; font-weight: 600; margin-bottom: 8px; color: var(--muted); }
.icu-sync-bar input { min-height: 48px; padding: 10px 14px; border: 1px solid var(--surface-lime); background: var(--surface-white); border-radius: 8px; color: var(--ink); font: inherit; }
.icu-sync-bar p { width: 100%; font-size: .72rem; color: var(--dim); }
.icu-summary { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 16px; margin: 24px 0 32px; }
.icu-summary > div { background: var(--surface-white); border: 1px solid var(--surface-lime); border-radius: 16px; padding: 22px; }
.icu-summary span { display: block; color: var(--muted); font-size: .75rem; margin-bottom: 12px; }
.icu-summary strong { font: 500 2rem var(--font-display); letter-spacing: -.5px; }
.icu-list-heading { display: flex; justify-content: space-between; gap: 12px; align-items: center; flex-wrap: wrap; margin-bottom: 18px; }
.icu-list-heading h2 { font: 500 1.6rem var(--font-display); }
.icu-list-heading > span { font-size: .7rem; color: var(--dim); }
.icu-activity-list { display: grid; gap: 12px; }
.icu-run { display: grid; grid-template-columns: minmax(0,1fr) auto auto; align-items: center; gap: 24px; padding: 22px 24px; border: 1px solid var(--surface-lime); border-radius: 16px; background: var(--surface-white); }
.icu-run h3 { font: 700 1.15rem var(--font-display); overflow-wrap: anywhere; }
.icu-run p { color: var(--muted); font-size: .75rem; margin-top: 7px; }
.icu-run-stats { display: flex; gap: 24px; flex-wrap: wrap; }
.icu-run-stats span { display: block; color: var(--dim); font-size: .68rem; margin-top: 6px; }
.icu-run-stats strong { font: 700 1.15rem var(--font-display); }
.icu-download { min-height: 44px; padding: 12px 16px; border: 1px solid var(--surface-lime); background: var(--surface); border-radius: 8px; font: 700 .75rem var(--font-body); color: var(--ink); cursor: pointer; }
.icu-no-file { color: var(--dim); font-size: .7rem; max-width: 120px; }
.icu-empty { text-align: center; padding: 40px 20px; background: var(--surface-white); border: 1px dashed var(--surface-lime); border-radius: 16px; color: var(--muted); font-size: .85rem; }
.icu-info-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; margin-top: 36px; }
.icu-info-grid section { padding: 26px; border-radius: 18px; background: var(--surface); }
.icu-info-grid section > span { font-size: .58rem; font-weight: 600; letter-spacing: 1px; color: var(--accent-deep); }
.icu-info-grid h2 { font: 700 1.5rem var(--font-display); margin: 15px 0 12px; }
.icu-info-grid p { font-size: .82rem; line-height: 1.85; color: var(--muted); }
.intervals-page button:disabled { opacity: .55; cursor: wait; }
@media(max-width:768px) {
  .icu-heading { margin-bottom: 24px; }
  .icu-heading h1 { font-size: 2.35rem; letter-spacing: -1px; }
  .icu-account-card { grid-template-columns: minmax(0,1fr); padding: 24px; gap: 22px; }
  .icu-account-actions > a, .icu-account-actions > button { width: 100%; justify-content: center; }
  .icu-sync-bar { padding: 18px; gap: 12px; }
  .icu-sync-bar > div { flex: 1 1 130px; min-width: 0; }
  .icu-sync-bar input { width: 100%; min-width: 0; }
  .icu-sync-bar button { width: 100%; justify-content: center; }
  .icu-summary { grid-template-columns: minmax(0,1fr); gap: 10px; }
  .icu-summary > div { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 18px; }
  .icu-summary span { margin: 0; }
  .icu-summary strong { font-size: 1.65rem; }
  .icu-run { grid-template-columns: minmax(0,1fr); gap: 18px; padding: 20px; }
  .icu-run-stats { justify-content: space-between; gap: 12px; }
  .icu-download { width: 100%; }
  .icu-no-file { max-width: none; }
  .icu-info-grid { grid-template-columns: minmax(0,1fr); gap: 16px; }
}