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40px);min-height:400px;min-width:350px;overflow:hidden;position:fixed;right:20px;transition:none;width:450px;z-index:900}.notebook-panel-resizer{background:linear-gradient(225deg,#0000,#0000 50%,#0000001a 0,#0000001a);border-top-left-radius:12px;cursor:nwse-resize;height:20px;left:0;position:absolute;top:0;width:20px;z-index:10}.notebook-panel-resizer:hover{background:linear-gradient(225deg,#0000,#0000 50%,#0003 0,#0003)}.notebook-panel.minimized{max-height:60px}.notebook-header{align-items:center;background:#3b82f6;background:var(--highlight,#3b82f6);border-bottom:1px solid #e5e7eb;border-radius:12px 12px 0 0;color:#fff;display:flex;justify-content:space-between;padding:16px}.notebook-title{align-items:center;font-size:16px;font-weight:600}.notebook-header-actions,.notebook-title{display:flex;gap:8px}.notebook-icon-btn{align-items:center;background:#fff3;border:none;border-radius:6px;color:#fff;cursor:pointer;display:flex;justify-content:center;padding:6px;transition:background 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var(--spacing-2);right:0;top:0}.change-page{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#fffffff2;border-radius:var(--radius-full);bottom:max(20px,env(safe-area-inset-bottom));box-shadow:var(--shadow-xl);direction:rtl;gap:var(--spacing-4);left:50%;padding:var(--spacing-2) var(--spacing-4);position:fixed;transform:translateX(-50%);z-index:var(--z-fixed)}.change-page,.change-page button{align-items:center;display:flex;justify-content:center}.change-page button{background:var(--bg-card);border:1px solid var(--border-light);border-radius:50%;box-shadow:var(--shadow-sm);color:var(--color-info);cursor:pointer;font-size:var(--font-size-lg);font-weight:var(--font-weight-normal);height:40px;min-height:40px;min-width:40px;padding:0;pointer-events:auto;touch-action:manipulation;transition:all var(--transition-fast);width:40px}.change-page 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