.requirement-detail { width: min(var(--v2-layout-workspace), calc(100% - var(--v2-layout-gutter))); margin: 0 auto; padding: 12px 0 72px; }
.detail-heading { margin-bottom: 22px; }
.back-link { width: fit-content; min-height: 36px; margin-left: -8px; padding: 0 8px; border-radius: 7px; display: inline-flex; align-items: center; gap: 6px; color: var(--text-secondary); font-size: 13px; text-decoration: none; }
.back-link:hover { background: var(--surface-muted); color: var(--text); }
.back-link svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.35; stroke-linecap: round; stroke-linejoin: round; }
.detail-heading__title-row { margin-top: 12px; display: flex; align-items: center; flex-wrap: wrap; gap: 10px; }
.detail-heading__title-row h1 { margin: 0; font-size: 27px; line-height: 1.3; font-weight: 620; letter-spacing: -.018em; }

.requirement-layout { display: grid; grid-template-columns: minmax(0, 1fr) 304px; align-items: start; gap: 24px; }
.requirement-panel { min-width: 0; padding: 24px 28px 30px; border-radius: 12px; background: var(--surface); }
.requirement-panel__section + .requirement-panel__section { margin-top: 38px; }
.section-heading-plain { min-height: 30px; display: flex; align-items: baseline; justify-content: space-between; gap: 20px; }
.section-heading-plain h2 { margin: 0; font-size: 17px; line-height: 1.4; font-weight: 600; letter-spacing: -.008em; }
.section-heading-plain span { color: var(--text-tertiary); font-size: 11px; }
.section-heading-plain--action { align-items: center; }
.section-heading-plain__title { min-width: 0; display: flex; align-items: baseline; gap: 10px; }
.requirement-actions { position: relative; flex: 0 0 auto; display: flex; align-items: center; gap: 6px; }
.edit-action { min-height: 34px; padding: 0 11px; flex: 0 0 auto; border: 1px solid var(--border); border-radius: 7px; display: inline-flex; align-items: center; justify-content: center; gap: 6px; color: var(--text); background: transparent; font-size: 12px; font-weight: 500; text-decoration: none; transition: background-color .16s ease, border-color .16s ease, color .16s ease; }
.edit-action:hover { border-color: color-mix(in oklab, var(--text-tertiary) 72%, transparent); background: var(--surface-soft); }
.edit-action:active { background: var(--surface-muted); }
.edit-action:focus-visible { outline: 2px solid color-mix(in oklab, var(--agent) 48%, transparent); outline-offset: 2px; }
.edit-action svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 1.35; stroke-linecap: round; stroke-linejoin: round; }
.edit-action span { color: inherit; font-size: inherit; }
.more-action { width: 34px; height: 34px; padding: 0; border: 0; border-radius: 7px; display: grid; place-items: center; background: transparent; color: var(--text-secondary); cursor: pointer; transition: background-color .16s ease, color .16s ease; }
.more-action:hover, .more-action[aria-expanded="true"] { background: var(--surface-soft); color: var(--text); }
.more-action:active { background: var(--surface-muted); }
.more-action:disabled { opacity: .42; cursor: default; background: transparent; }
.more-action:focus-visible { outline: 2px solid color-mix(in oklab, var(--agent) 48%, transparent); outline-offset: 2px; }
.more-action svg { width: 16px; height: 16px; fill: currentColor; }
.requirement-menu { position: absolute; z-index: 20; top: calc(100% + 7px); right: 0; width: 148px; padding: 6px; border: 1px solid var(--border); border-radius: 9px; background: var(--surface); box-shadow: var(--shadow-float); }
.requirement-menu[hidden] { display: none; }
.requirement-menu button { width: 100%; min-height: 36px; padding: 0 10px; border: 0; border-radius: 6px; display: flex; align-items: center; background: transparent; color: var(--danger); font: inherit; font-size: 12px; font-weight: 500; text-align: left; cursor: pointer; }
.requirement-menu button:hover, .requirement-menu button:focus-visible { outline: 0; background: color-mix(in oklab, var(--danger) 7%, transparent); }
.requirement-facts { margin: 16px 0 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 48px; row-gap: 24px; }
.requirement-facts div { min-width: 0; }
.requirement-facts .fact--wide { grid-column: 1 / -1; }
.requirement-facts dt { color: var(--text-tertiary); font-size: 12px; }
.requirement-facts dd { margin: 6px 0 0; color: var(--text); font-size: 13.5px; line-height: 1.68; overflow-wrap: anywhere; }

.detail-candidates { margin-top: 10px; display: grid; gap: 2px; }
.detail-candidates .candidate { min-height: 104px; padding: 14px 12px; border-radius: 8px; background: transparent; }
.detail-candidates .candidate:hover { background: var(--surface-soft); box-shadow: none; transform: none; }
.detail-candidates .candidate__heading strong { font-size: 15px; font-weight: 590; }
.detail-candidates .conversation-preview { background: var(--surface-soft); }
.empty-progress { padding: 14px 16px; border-radius: 8px; background: var(--surface-soft); display: flex; align-items: flex-start; gap: 13px; }
.empty-progress__dot { width: 8px; height: 8px; margin-top: 7px; flex: 0 0 auto; border-radius: 50%; background: var(--agent); box-shadow: 0 0 0 5px color-mix(in oklab, var(--agent) 12%, transparent); }
.empty-progress strong { display: block; font-size: 13.5px; font-weight: 560; }
.empty-progress p { margin: 5px 0 0; color: var(--text-secondary); font-size: 12px; line-height: 1.6; }

.requirement-summary { position: sticky; top: 80px; min-width: 0; padding: 4px 2px 16px 10px; }
.summary-section + .summary-section { margin-top: 32px; }
.summary-section--status > p:last-child { margin: 8px 0 0; color: var(--text-secondary); font-size: 12px; line-height: 1.65; }
.requirement-summary h2 { margin: 0; font-size: 17px; line-height: 1.4; font-weight: 600; letter-spacing: -.008em; }
.requirement-summary h3 { margin: 0; font-size: 13px; line-height: 1.5; font-weight: 600; }
.progress-facts { margin: 12px 0 0; display: grid; gap: 10px; }
.progress-facts div { display: grid; grid-template-columns: 64px minmax(0, 1fr); gap: 6px; align-items: baseline; }
.progress-facts dt { color: var(--text-tertiary); font-size: 12px; }
.progress-facts dd { margin: 0; color: var(--text-secondary); font-size: 12px; font-weight: 400; font-variant-numeric: tabular-nums; }
.confirm-dialog { width: min(420px, calc(100% - 32px)); padding: 0; border: 0; border-radius: 14px; background: var(--surface); color: var(--text); box-shadow: var(--shadow-float); }
.confirm-dialog::backdrop { background: oklch(0.16 0.01 250 / .4); }
.confirm-dialog__body { padding: 24px; }
.confirm-dialog h2, .confirm-dialog p { margin: 0; }
.confirm-dialog h2 { font-size: 19px; line-height: 1.4; font-weight: 600; }
.confirm-dialog p { margin-top: 10px; color: var(--text-secondary); font-size: 13px; line-height: 1.65; }
.confirm-dialog__actions { margin-top: 26px; display: flex; justify-content: flex-end; gap: 8px; }
.dialog-button { min-height: 40px; padding: 0 16px; border-radius: 7px; font: inherit; font-size: 13px; font-weight: 500; cursor: pointer; }
.dialog-button:focus-visible { outline: 2px solid color-mix(in oklab, var(--agent) 48%, transparent); outline-offset: 2px; }
.dialog-button--secondary { border: 1px solid var(--border); background: transparent; color: var(--text); }
.dialog-button--secondary:hover { background: var(--surface-muted); }
.dialog-button--danger { border: 0; background: var(--danger); color: oklch(0.99 0.002 245); }
.dialog-button--danger:hover { background: oklch(0.43 0.14 28); }
.toast { top: 88px; }

@media (max-width: 1000px) {
  .requirement-layout { grid-template-columns: minmax(0, 1fr) 288px; gap: 18px; }
  .requirement-detail { width: min(100% - var(--v2-layout-gutter-mobile), var(--v2-layout-workspace)); }
}

@media (max-width: 820px) {
  .requirement-layout { grid-template-columns: 1fr; }
  .requirement-summary { position: static; order: -1; padding: 8px 4px 6px; }
  .progress-facts { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
  .progress-facts div { display: block; }
  .progress-facts dd { margin-top: 3px; }
}

@media (max-width: 760px) {
  .requirement-detail { width: calc(100% - var(--v2-layout-gutter-mobile)); padding-top: 12px; }
  .requirement-panel { padding: 22px 20px 26px; }
}

@media (max-width: 520px) {
  .requirement-detail { width: calc(100% - 24px); }
  .detail-heading__title-row { align-items: flex-start; gap: 8px; }
  .detail-heading__title-row h1 { font-size: 24px; }
  .section-heading-plain--action { align-items: flex-start; }
  .section-heading-plain__title { display: block; }
  .section-heading-plain__title span { display: block; margin-top: 3px; }
  .edit-action { min-height: 36px; }
  .more-action { width: 36px; height: 36px; }
  .confirm-dialog__actions { display: grid; grid-template-columns: 1fr 1fr; }
  .requirement-facts { grid-template-columns: 1fr; gap: 20px; }
  .requirement-facts .fact--wide { grid-column: auto; }
  .progress-facts { grid-template-columns: 1fr; gap: 9px; }
  .progress-facts div { display: grid; grid-template-columns: 64px minmax(0, 1fr); }
  .progress-facts dd { margin-top: 0; }
  .detail-candidates .candidate { padding-inline: 4px; }
  .empty-progress { padding: 14px; }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; transition: none !important; }
}