.keywords-workspace { background: var(--surface, #fff); padding: 60px 32px 48px; }
.keywords-inner { max-width: 960px; }
.keywords-kicker { display: none; }
.keywords-header { align-items: center; margin-bottom: 28px; }
.keywords-header h1 { font-size: 28px; font-weight: 600; }
.definition-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 24px; }
.definition-tabs { display: flex; width: min(384px, 70%); border-radius: 10px; padding: 4px; background: var(--surface-soft, #f5f5f5); }
.definition-toolbar button, .definition-session button, .definition-options button { font: inherit; cursor: pointer; color: var(--text, #171717); background: var(--surface, #fff); border: 1px solid var(--border, #eee); border-radius: 10px; padding: 8px 16px; }
.definition-tabs button { flex: 1; border: 0; background: transparent; color: var(--muted, #777); }
.definition-tabs button[aria-selected=true] { background: var(--surface, #fff); color: var(--text, #171717); }
.definition-modes { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.definition-modes article { position: relative; padding: 24px 20px; background: var(--surface-soft, #f5f5f5); border-radius: 12px; overflow: hidden; }
.definition-modes h2 { margin: 0 0 10px; font-size: 20px; font-weight: 500; }
.definition-modes p { color: var(--muted, #777); line-height: 1.6; max-width: 320px; margin: 0 0 24px; }
.keywords-workspace .definition-start, .definition-session .definition-start, .definition-options .definition-start { display: inline-flex; align-items: center; gap: 8px; border: 0; border-radius: 20px; padding: 8px 16px; font: inherit; background: #171717; color: white; cursor: pointer; }
.definition-start svg { width: 14px; height: 14px; }
.definition-mode-art { position: absolute; right: 14px; bottom: 10px; color: #e3e3e3; pointer-events: none; }
.definition-mode-art svg { width: 68px; height: 68px; }
.definition-explore svg, .definition-session svg, .definition-options svg { fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.definition-pool { color: var(--muted, #777); font-size: 13px; margin: 20px 0; }
.keywords-workspace .keyword-card-header > button { margin-left: auto; padding: 7px 14px; border: 1px solid var(--border, #ddd); border-radius: 8px; background: var(--surface, #fff); color: var(--text, #171717); font: inherit; cursor: pointer; }
.definition-session-main:focus { outline: none; }
.definition-empty { padding: 28px; border: 1px solid var(--border, #eee); border-radius: 12px; color: var(--muted, #777); }
.definition-options { width: min(400px, calc(100% - 32px)); border: 1px solid var(--border, #eee); border-radius: 12px; padding: 24px; color: var(--text, #171717); background: var(--surface, #fff); }
.definition-options::backdrop { background: rgb(0 0 0 / 35%); }
.definition-options form { display: grid; gap: 20px; }
.definition-options header { display: flex; justify-content: space-between; align-items: center; }
.definition-options h2 { margin: 0; font-size: 20px; font-weight: 500; }
.definition-options header button { padding: 6px; border: 0; }
.definition-options svg { width: 20px; height: 20px; }
.definition-options label { display: grid; gap: 8px; }
.definition-options select { font: inherit; padding: 10px; border: 1px solid var(--border, #ddd); border-radius: 8px; background: var(--surface, #fff); color: inherit; }
.definition-session { position: fixed; z-index: 200; inset: 0; background: var(--surface, #fff); color: var(--text, #171717); font: 14px/1.5 Inter, 'Segoe UI', sans-serif; overflow: auto; }
.definition-session[hidden], .definition-explore[hidden] { display: none; }
.definition-session-header { display: flex; align-items: center; gap: 24px; padding: 16px 24px; min-height: 48px; border-bottom: 1px solid var(--border, #eee); }
.definition-session-header h2 { margin: 0 auto 0 0; font-size: 20px; font-weight: 500; }
.definition-session-header > span { color: var(--muted, #777); }
.definition-session-header strong { margin-left: 6px; font-weight: 500; color: var(--text, #171717); }
.definition-session-header button { display: inline-flex; padding: 10px; background: var(--surface-soft, #f5f5f5); border: 0; }
.definition-session-header svg { width: 20px; height: 20px; }
.definition-session-body { display: grid; grid-template-columns: 280px 1fr; min-height: calc(100dvh - 81px); }
.definition-session-list { padding: 16px; border-right: 1px solid var(--border, #eee); display: flex; flex-direction: column; gap: 8px; }
.definition-session-list button { display: flex; gap: 14px; align-items: center; text-align: left; padding: 12px; border: 2px solid var(--border, #eee); }
.definition-session-list button[aria-current=true] { border-color: var(--text, #171717); background: var(--surface-soft, #f5f5f5); }
.definition-dot { width: 18px; height: 18px; border: 2px dashed #ddd; border-radius: 50%; flex-shrink: 0; }
.definition-dot.review { border-style: solid; border-color: #ef5666; background: #ffe5e8; }
.definition-dot.almost { border-style: solid; border-color: #df991d; background: #fff1d4; }
.definition-dot.known { border-style: solid; border-color: #46ae78; background: #dff4e8; }
.definition-session-main { width: min(720px, calc(100% - 48px)); margin: 28px auto; text-align: center; }
.definition-rating { display: inline-block; padding: 4px 12px; border: 1px solid var(--border, #eee); border-radius: 20px; color: var(--muted, #777); margin-bottom: 18px; }
.definition-rating.review { color: #bf3247; background: #ffe9ed; border-color: #f3adb8; }
.definition-rating.almost { color: #986200; background: #fff3d9; border-color: #edcf91; }
.definition-rating.known { color: #237b4c; background: #e7f7ee; border-color: #9dd5b8; }
.definition-flashcard { min-height: 310px; border: 2px solid var(--border, #eee); border-radius: 12px; padding: 32px 24px; display: flex; flex-direction: column; align-items: center; justify-content: center; }
.definition-flashcard h1 { font-size: clamp(28px, 4vw, 48px); font-weight: 600; line-height: 1.2; margin: 20px 0 8px; overflow-wrap: anywhere; }
.definition-flashcard > p { color: var(--muted, #777); margin: 0 0 24px; }
.definition-session .definition-reveal { border: 0; padding: 0; color: #198fc6; text-decoration: underline; background: transparent; }
.definition-revealed { width: 100%; text-align: left; }
.definition-revealed .keyword-occurrence { margin-top: 16px; }
.definition-recall { width: 100%; text-align: left; }
.definition-recall textarea { width: 100%; box-sizing: border-box; margin: 8px 0 20px; min-height: 100px; padding: 12px; resize: vertical; border: 1px solid var(--border, #ddd); border-radius: 8px; background: var(--surface, #fff); color: inherit; font: inherit; }
.definition-your-answer { padding: 16px; background: var(--surface-soft, #f5f5f5); border-radius: 8px; }
.definition-your-answer p { white-space: pre-wrap; overflow-wrap: anywhere; margin: 6px 0 0; }
.definition-other-sources { margin-top: 16px; }
.definition-rating-actions { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 18px; }
.definition-rating-actions button { display: flex; align-items: center; justify-content: center; gap: 8px; padding: 14px 8px; }
.definition-rating-actions svg { width: 18px; height: 18px; }
[data-definition-rate=review] svg { color: #ef5666; }
[data-definition-rate=almost] svg { color: #df991d; }
[data-definition-rate=known] svg { color: #46ae78; }
.definition-shortcuts { font-size: 12px; color: var(--muted, #777); }
.definition-session-nav { display: flex; align-items: center; justify-content: space-between; margin-top: 24px; }
.definition-complete { max-width: 600px; margin: 12vh auto; padding: 24px; text-align: center; }
.definition-complete h1 { font-size: 28px; font-weight: 600; }
.definition-complete .definition-rating { margin: 12px 6px; }
.definition-session button:disabled, .definition-start:disabled { opacity: .45; cursor: default; }
.definition-session button:focus-visible, .definition-toolbar button:focus-visible, .definition-start:focus-visible { outline: 2px solid #a16be5; outline-offset: 3px; }
@media (max-width: 700px) {
    .keywords-workspace { padding: 32px 16px; }
    .definition-modes { grid-template-columns: 1fr; }
    .definition-session-header { flex-wrap: wrap; gap: 10px; padding: 12px; }
    .definition-session-header h2 { font-size: 18px; }
    .definition-session-header > span { font-size: 12px; }
    .definition-session-body { display: block; }
    .definition-session-list { flex-direction: row; align-items: center; overflow-x: auto; border-right: 0; border-bottom: 1px solid var(--border, #eee); }
    .definition-session-list button { white-space: nowrap; }
    .definition-session-main { width: calc(100% - 32px); margin-top: 20px; }
    .definition-flashcard { padding: 20px 14px; min-height: 270px; }
    .definition-rating-actions { gap: 6px; }
    .definition-rating-actions button { font-size: 12px; gap: 4px; }
}