.coach-workspace-shell {
  --coach-ink: #142b32;
  --coach-teal: #087f87;
  --coach-paper: #f5f5f0;
  --coach-line: #d4dfdc;
  --coach-muted: #50666c;
  min-height: 72vh;
  display: grid;
  grid-template-columns: minmax(190px, 220px) minmax(220px, 270px) minmax(0, 1fr);
  color: var(--coach-ink);
  background: var(--coach-paper);
  font: 14px/1.5 "Segoe UI", system-ui, sans-serif;
}
.coach-workspace-shell.is-without-explorer { grid-template-columns: minmax(190px, 220px) minmax(0, 1fr); }
.coach-workspace-shell *, .coach-workspace-shell *::before, .coach-workspace-shell *::after { box-sizing: border-box; }
.coach-workspace-shell button, .coach-workspace-shell a { font: inherit; }
.coach-workspace-shell :focus-visible { outline: 3px solid var(--coach-teal); outline-offset: 2px; }
.coach-workspace-sidebar, .coach-workspace-explorer { min-width: 0; padding: 18px 14px; border-right: 1px solid var(--coach-line); background: #fff; }
.coach-workspace-sidebar { display: flex; flex-direction: column; gap: 16px; }
.coach-workspace-brand { display: flex; align-items: center; gap: 10px; min-height: 42px; color: var(--coach-ink); text-decoration: none; }
.coach-workspace-brand strong { font-size: 16px; }
.coach-workspace-mark { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 8px; color: white; background: var(--coach-teal); font-weight: 800; }
.coach-workspace-nav { display: grid; gap: 4px; }
.coach-workspace-mobile-nav { display: none; }
.coach-workspace-nav-item { display: grid; gap: 1px; width: 100%; min-height: 48px; padding: 7px 10px; border: 1px solid transparent; border-radius: 5px; color: var(--coach-ink); background: transparent; text-align: left; cursor: pointer; }
.coach-workspace-nav-item:hover { border-color: var(--coach-line); background: #f7faf8; }
.coach-workspace-nav-item[aria-current="page"] { border-color: #c4ddda; box-shadow: inset 3px 0 var(--coach-teal); background: #edf6f4; }
.coach-workspace-nav-label { font-weight: 650; }
.coach-workspace-nav-item small, .coach-workspace-muted, .coach-workspace-client small, .coach-workspace-selected-client small { color: var(--coach-muted); font-size: 11px; }
.coach-workspace-sidebar-note { margin: auto 0 0; padding-top: 12px; border-top: 1px solid var(--coach-line); color: var(--coach-muted); font-size: 11px; }
.coach-workspace-explorer { display: grid; align-content: start; gap: 12px; background: #fafbf9; }
.coach-workspace-explorer-heading { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.coach-workspace-explorer-heading h2 { margin: 0; font-size: 16px; }
.coach-workspace-explorer-heading span { min-width: 24px; padding: 1px 6px; border: 1px solid var(--coach-line); border-radius: 20px; color: var(--coach-muted); text-align: center; font-size: 11px; }
.coach-workspace-client-list { display: grid; gap: 5px; }
.coach-workspace-client { display: grid; gap: 2px; width: 100%; min-height: 48px; padding: 8px 10px; border: 1px solid var(--coach-line); border-radius: 4px; color: var(--coach-ink); background: white; text-align: left; overflow-wrap: anywhere; cursor: pointer; }
.coach-workspace-client[aria-current="true"] { border-color: var(--coach-teal); box-shadow: inset 3px 0 var(--coach-teal); }
.coach-workspace-client small { font-size: 10px; }
.coach-workspace-selected-client { display: grid; gap: 3px; margin-top: 8px; padding: 12px; border: 1px solid var(--coach-line); background: white; overflow-wrap: anywhere; }
.coach-workspace-selected-client.is-empty { color: var(--coach-muted); }
.coach-workspace-selected-client p { margin: 0; font-size: 12px; }
.coach-workspace-overline { color: var(--coach-teal); font-size: 9px; font-weight: 800; letter-spacing: .12em; }
.coach-workspace-main { min-width: 0; padding: clamp(16px, 2.5vw, 30px); }
.coach-workspace-main-heading { display: flex; align-items: end; justify-content: space-between; gap: 16px; margin-bottom: 20px; padding-bottom: 16px; border-bottom: 1px solid var(--coach-line); }
.coach-workspace-main-heading h1 { margin: 3px 0 0; font-size: clamp(24px, 3vw, 32px); line-height: 1.15; letter-spacing: -.025em; }
.coach-workspace-context-actions { display: flex; flex-wrap: wrap; justify-content: end; gap: 7px; }
.coach-workspace-action { min-height: 40px; padding: 8px 12px; border: 1px solid var(--coach-line); border-radius: 4px; color: var(--coach-ink); background: white; font-weight: 650; cursor: pointer; }
.coach-workspace-action:hover { border-color: var(--coach-teal); background: #f2f8f6; }
.coach-workspace-action.is-primary { border-color: var(--coach-teal); color: white; background: var(--coach-teal); }
.coach-workspace-content { min-width: 0; }
.coach-workspace-content .persistent-intro h1 { display: none; }
.coach-workspace-empty { max-width: 720px; padding: 18px; border: 1px solid var(--coach-line); background: white; }
.coach-workspace-empty h2 { margin: 0 0 5px; font-size: 18px; }
.coach-workspace-empty p { margin: 0; color: var(--coach-muted); }
.coach-workspace-empty .coach-workspace-action { margin-top: 14px; }
@media (max-width: 900px) {
  .coach-workspace-shell { grid-template-columns: minmax(170px, 200px) minmax(0, 1fr); }
  .coach-workspace-shell.is-without-explorer { grid-template-columns: minmax(170px, 200px) minmax(0, 1fr); }
  .coach-workspace-explorer { grid-column: 1; grid-row: 2; border-right: 1px solid var(--coach-line); }
  .coach-workspace-sidebar { grid-column: 1; grid-row: 1; border-bottom: 1px solid var(--coach-line); }
  .coach-workspace-main { grid-column: 2; grid-row: 1 / span 2; }
}
@media (max-width: 620px) {
  .coach-workspace-shell { display: flex; flex-direction: column; min-height: 0; }
  .coach-workspace-sidebar, .coach-workspace-explorer { padding: 12px; border-right: 0; }
  .coach-workspace-sidebar { gap: 10px; border-bottom: 1px solid var(--coach-line); }
  .coach-workspace-nav { display: none; }
  .coach-workspace-mobile-nav { display: grid; gap: 5px; }
  .coach-workspace-mobile-nav > span { color: var(--coach-muted); font-size: 12px; font-weight: 650; }
  .coach-workspace-mobile-nav select { width: 100%; min-height: 44px; padding: 8px 10px; border: 1px solid var(--coach-line); border-radius: 4px; color: var(--coach-ink); background: #fff; font: inherit; }
  .coach-workspace-sidebar-note { display: none; }
  .coach-workspace-explorer { border-bottom: 1px solid var(--coach-line); }
  .coach-workspace-client-list { grid-template-columns: repeat(auto-fit, minmax(min(100%, 140px), 1fr)); }
  .coach-workspace-main { padding: 16px 12px 24px; }
  .coach-workspace-main-heading { align-items: start; flex-direction: column; margin-bottom: 14px; }
  .coach-workspace-context-actions { justify-content: start; }
  .coach-workspace-action { min-height: 44px; }
}
@media (prefers-reduced-motion: reduce) { .coach-workspace-shell *, .coach-workspace-shell *::before, .coach-workspace-shell *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; } }