.learning-dialog{width:min(760px,calc(100vw - 24px));max-height:calc(100dvh - 32px);padding:0;border:1px solid var(--border-strong);border-radius:18px;background:var(--card);color:var(--fg);box-shadow:0 18px 60px var(--shadow);}
.learning-dialog[open]{display:flex;flex-direction:column;}
.learning-dialog [hidden]{display:none!important;}
.learning-dialog::backdrop{background:rgba(0,0,0,.42);}
.learning-header{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px 10px;}
.learning-header h2{margin:0;font-size:22px;}
.learning-close{width:40px;height:40px;border-radius:50%;border:1px solid var(--border-strong);background:var(--chip);color:var(--fg);font:inherit;font-size:24px;cursor:pointer;}
.learning-tools{display:flex;flex-wrap:wrap;gap:10px;padding:6px 20px 14px;}
.learning-search{flex:1 1 260px;min-width:0;}
.learning-search,.learning-select{padding:10px;border-radius:10px;border:1px solid var(--border-strong);background:var(--surface-input);color:var(--fg);font:inherit;}
.learning-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.learning-button{display:inline-flex;align-items:center;justify-content:center;padding:8px 11px;border-radius:999px;border:1px solid var(--border-strong);background:var(--chip);color:var(--fg);font:inherit;font-size:13px;cursor:pointer;text-decoration:none;}
.learning-button[aria-pressed="true"],.learning-primary{background:var(--accent);color:var(--accent-contrast);border-color:var(--accent);}
.learning-button:disabled{opacity:.5;cursor:default;}
.learning-status{padding:10px 20px;color:var(--muted);font-size:13px;border-block:1px solid var(--border-subtle);}
.learning-list{overflow:auto;overscroll-behavior:contain;padding:0 20px 16px;min-height:0;}
.learning-term{padding:16px 0;border-bottom:1px solid var(--border-subtle);}
.learning-term-heading{display:flex;align-items:center;gap:9px;flex-wrap:wrap;}
.learning-term-heading strong{font-size:19px;}
.learning-term-heading input{width:18px;height:18px;accent-color:var(--accent);}
.learning-meta{font-size:12px;color:var(--muted);}
.learning-translation{margin-top:8px;font-size:17px;}
.learning-context{line-height:1.55;margin:10px 0;white-space:pre-wrap;overflow-wrap:anywhere;}
.learning-term .learning-actions{margin-top:12px;}
.learning-empty{line-height:1.6;color:var(--muted);}
.learning-review{padding:24px;overflow:auto;text-align:center;}
.learning-review-word{font-size:32px;font-weight:800;overflow-wrap:anywhere;}
.learning-review-answer{font-size:23px;margin:20px 0;}
.learning-review .learning-button{margin:8px 4px;}
.learning-review .learning-actions{justify-content:center;}
.learning-save{white-space:nowrap;}
.learning-action-error{position:fixed;bottom:16px;left:50%;transform:translateX(-50%);z-index:10000;max-width:calc(100vw - 32px);padding:12px 18px;border:1px solid #b33;border-radius:12px;background:var(--card);color:var(--fg);box-shadow:0 4px 20px var(--shadow);}
.learning-action-error[hidden],.admin-library-link[hidden]{display:none!important;}
.reading-progress-bar{display:flex;align-items:center;gap:8px 16px;flex-wrap:wrap;margin:8px 0 12px;font-size:13px;color:var(--muted);}
.reading-progress-bar button[aria-pressed="true"]{background:var(--accent);color:var(--accent-contrast);}
.book-reading-progress{font-size:12px;color:var(--muted);padding-top:5px;}
.admin-library-link{font-size:13px;white-space:nowrap;}