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95%);--dict-color-success: hsl(150, 60%, 45%);--dict-color-warning: hsl(40, 90%, 50%);--dict-color-danger: hsl(350, 70%, 55%);--dict-color-bg-page: hsl(220, 20%, 97%);--dict-color-bg-surface: #ffffff;--dict-glass-bg: rgba(255, 255, 255, .7);--dict-glass-border: rgba(255, 255, 255, .5);--dict-shadow-sm: 0 2px 8px rgba(0,0,0,.04);--dict-shadow-md: 0 8px 24px rgba(0,0,0,.06);--dict-shadow-lg: 0 12px 32px rgba(20, 40, 80, .12);--dict-font-sans: "Inter", "Roboto", sans-serif;--dict-color-text-primary: hsl(220, 30%, 20%);--dict-color-text-secondary: hsl(220, 15%, 50%);--mastery-new: hsl(200, 10%, 80%);--mastery-learning: hsl(200, 70%, 60%);--mastery-review: hsl(40, 90%, 50%);--mastery-strong: hsl(150, 60%, 45%);--mastery-mastered: hsl(280, 70%, 60%);--mastery-forgotten: hsl(350, 70%, 55%)}.memory-shell{display:flex;height:100vh;background:var(--dict-color-bg-page);font-family:var(--dict-font-sans);color:var(--dict-color-text-primary)}.memory-sidebar{width:280px;background:var(--dict-color-bg-surface);border-right:1px solid hsl(220,20%,90%);padding:1.5rem;display:flex;flex-direction:column;box-shadow:var(--dict-shadow-sm);z-index:10}.memory-main{flex:1;display:flex;flex-direction:column;overflow:hidden}.memory-tabs{display:flex;gap:1rem;padding:1rem 2rem;background:var(--dict-glass-bg);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--dict-glass-border);z-index:5}.memory-tab{padding:.75rem 1.25rem;border:none;background:transparent;font-weight:600;color:var(--dict-color-text-secondary);cursor:pointer;border-radius:8px;transition:all .2s cubic-bezier(.4,0,.2,1)}.memory-tab:hover{background:var(--dict-color-primary-soft);color:var(--dict-color-primary)}.memory-tab.active{background:var(--dict-color-bg-surface);color:var(--dict-color-primary);box-shadow:var(--dict-shadow-sm);transform:translateY(-1px)}.memory-actions-bar{padding:1rem 2rem;display:flex;justify-content:flex-end;align-items:center}.memory-content{flex:1;padding:1rem 2rem 2rem;overflow-y:auto}.qmd-svg-icon{display:inline-flex;align-items:center;justify-content:center;width:1em;height:1em}.qmd-svg-icon svg{width:100%;height:100%}.qmd-btn-icon{display:inline-flex;align-items:center;gap:.5rem}.item-card__action-btn.qmd-svg-icon{width:24px;height:24px}.item-grid__layout{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.5rem}.item-card{background:var(--dict-color-bg-surface);border-radius:16px;padding:1.5rem;box-shadow:var(--dict-shadow-md);transition:all .3s 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